CA2478656A1 - Mixing assembly for mixing bone cement - Google Patents

Mixing assembly for mixing bone cement Download PDF

Info

Publication number
CA2478656A1
CA2478656A1 CA002478656A CA2478656A CA2478656A1 CA 2478656 A1 CA2478656 A1 CA 2478656A1 CA 002478656 A CA002478656 A CA 002478656A CA 2478656 A CA2478656 A CA 2478656A CA 2478656 A1 CA2478656 A1 CA 2478656A1
Authority
CA
Canada
Prior art keywords
mixing
set forth
mixing paddle
paddle
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002478656A
Other languages
French (fr)
Other versions
CA2478656C (en
Inventor
Christopher Matthew Tague
Richard F. Huyser
Jared Paul Coffeen
Christopher Scott Brockman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stryker Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2478656A1 publication Critical patent/CA2478656A1/en
Application granted granted Critical
Publication of CA2478656C publication Critical patent/CA2478656C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50Movable or transportable mixing devices or plants
    • B01F33/501Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/85Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50Movable or transportable mixing devices or plants
    • B01F33/501Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5014Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use movable by human force, e.g. kitchen or table devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/30199Three-dimensional shapes
    • A61F2002/302Three-dimensional shapes toroidal, e.g. rings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30405Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by screwing complementary threads machined on the parts themselves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/305Snap connection
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30518Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts
    • A61F2002/30523Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements with possibility of relative movement between the prosthetic parts by means of meshing gear teeth
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30565Special structural features of bone or joint prostheses not otherwise provided for having spring elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/46Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2002/4685Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor by means of vacuum
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2220/00Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063Three-dimensional shapes
    • A61F2230/0065Three-dimensional shapes toroidal, e.g. ring-shaped, doughnut-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/20Mixing of ingredients for bone cement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/112Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1122Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades anchor-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/119Stirrers with rigid wires or flexible rods
    • B01F27/1191Stirrers with rigid wires or flexible rods with a bent rod of non-helical configuration supported at one end
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/23Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis
    • B01F27/232Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes
    • B01F27/2322Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by the orientation or disposition of the rotor axis with two or more rotation axes with parallel axes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00Other mixers; Mixing plants; Combinations of mixers
    • B01F33/70Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32Driving arrangements
    • B01F35/32005Type of drive
    • B01F35/3202Hand driven

Abstract

A mixing assembly for mixing bone cement includes a housing (12), a lid (14) removable from the housing (12), a rotatable handle (26) extending through the lid (14), and mixing paddles (34, 36) that rotate in response to rotation of the handle (26).

Claims (116)

1. A mixing assembly for mixing bone cement, said mixing assembly comprising:
a housing having at least one interior wall;
a lid removably attachable to said housing;
a handle having a portion extending through said lid and being rotatable in a first rotational direction;
a first mixing paddle operatively coupled to said portion of said handle for rotating with said portion in said first rotational direction; and a second mixing paddle operatively coupled to said first mixing paddle for rotating opposite said portion such that said second mixing paddle rotates in a second rotational direction, opposite said first rotational direction, when said portion and said first mixing paddle rotate in said first rotational direction.
2. A mixing assembly as set forth in claim 1 wherein said portion of said handle is rotatable in said second rotational direction and said first mixing paddle is operatively coupled to said portion such that said first mixing paddle is also rotatable in said second rotational direction that is opposite said first rotational direction.
3. A mixing assembly as set forth in claim 2 wherein said second mixing paddle is operatively coupled to said first mixing paddle such that said second mixing paddle rotates in said first rotational direction when said portion and said first mixing paddle are rotating in said second rotational direction.
4. A mixing assembly as set forth in claim 1 wherein said first mixing paddle is rotatable about a first fixed axis of rotation and said second mixing paddle is rotatable about a second fixed axis of rotation that is different from said first fixed axis of rotation.
5. A mixing assembly as set forth in claim 4 wherein said first and second fixed axes of rotation remain fixed throughout rotation of said first and second mixing paddles.
6. A mixing assembly as set forth in claim 4 further comprising a depression defined within said housing and aligned with said first fixed axis of rotation for receiving at least a portion of said first mixing paddle.
7. A mixing assembly as set forth in claim 6 wherein said first mixing paddle includes a first end and a second end wherein said first end is adjacent said lid and is operatively coupled to said portion of said handle and said second end is opposite said first end and is disposed in said depression for maintaining said first fixed axis of rotation and for stabilizing said first mixing paddle during rotation.
8. A mixing assembly as set forth in claim 1 further comprising a gear set disposed between said first and second mixing paddles for operatively coupling said second mixing paddle to said first mixing paddle such that said second mixing paddle rotates opposite said portion in said second rotational direction when said portion and said first mixing paddle rotate in said first rotational direction.
9. A mixing assembly as set forth in claim 8 wherein said gear set includes a first gear associated with said first mixing paddle and a second gear associated with said second mixing paddle, with said first gear mating with said second gear to rotate said second mixing paddle in said second rotational direction when said portion and said first mixing paddle rotate in said first rotational direction.
10. A mixing assembly as set forth in claim 9 wherein a gear ratio of said first gear to said second gear is 2:1.
11. A mixing assembly as set forth in claim 9 wherein said first and second gears are further defined as spur gears.
12. A mixing assembly as set forth in claim 1 further comprising a first sleeve defined within and extending entirely through said lid for supporting said portion of said handle.
13. A mixing assembly as set forth in claim 12 wherein said portion of said handle extends through said first sleeve to extend through said lid.
14. A mixing assembly as set forth in claim 13 wherein said first mixing paddle includes a first end and a second end wherein said first end is adjacent said lid and is operatively coupled to said portion of said handle extending through said first sleeve and said second end is adjacent said housing opposite said first end.
15. A mixing assembly as set forth in claim 14 further comprising an annular flange disposed about said first mixing paddle at said first end.
16. A mixing assembly as set forth in claim 15 further comprising at least one hole defined within said annular flange with said portion of said handle extending into said at least one hole to operatively couple said first mixing paddle to said portion of said handle.
17. A mixing assembly as set forth in claim 16 wherein said at least one hole is further defined as first and second holes defined with said annular flange wherein said first hole is defined within said annular flange 180° apart from said second hole.
18. A mixing assembly as set forth in claim 17 wherein said portion of said handle includes a first set of tabs extending away from said handle with one of said tabs extending into said first hole to engage said annular flange at said first hole and the other of said tabs extending into said second hole to engage said annular flange at said second hole for operatively coupling said first mixing paddle to said portion of said handle.
19. A mixing assembly as set forth in claim 15 further comprising a post at said first end of said first mixing paddle extending from said annular flange.
20. A mixing assembly as set forth in claim 19 wherein said portion of said handle includes a socket extending away from said handle to receive said post of said first mixing paddle for operatively coupling said first mixing paddle to said portion of said handle.
21. A mixing assembly as set forth in claim 20 wherein said post of said first mixing paddle and said socket of said portion of said handle are rectangular.
22. A mixing assembly as set forth in claim 20 wherein said portion of said handle further includes a centering post disposed within said socket.
23. A mixing assembly as set forth in claim 22 further comprising a first resilient member disposed about said centering post, within said socket, and between said portion of said handle and said first end of said first mixing paddle for biasing said first mixing paddle.
24. A mixing assembly as set forth in claim 1 wherein said first mixing paddle rotates in a 1:1 ratio with said portion of said handle.
25. A mixing assembly as set forth in claim 15 further comprising a second sleeve at least partially spaced from said first sleeve and extending from said lid for supporting said second mixing paddle.
26. A mixing assembly as set forth in claim 25 wherein said second mixing paddle includes a first end and a second end wherein said first end of said second mixing paddle is adjacent said lid and is disposed within said second sleeve and said second end of said second mixing paddle is adjacent said housing opposite said first end of said second mixing paddle.
27. A mixing assembly as set forth in claim 26 further comprising a gear set disposed between said first and second mixing paddles for operatively coupling said second mixing paddle to said first mixing paddle such that said second mixing paddle rotates opposite said portion in said second rotational direction when said portion and said first mixing paddle rotate in said first rotational direction.
28. A mixing assembly as set forth in claim 27 wherein said gear set includes a first gear supported on said annular flange of said first mixing paddle and a second gear disposed at said first end of said second mixing paddle, with said first gear mating with said second gear to rotate said second mixing paddle in said second rotational direction when said portion and said first mixing paddle rotate in said first rotational direction.
29. A mixing assembly as set forth in claim 28 wherein said second gear of said second mixing paddle is recessed into said second sleeve.
30. A mixing assembly as set forth in claim 29 wherein said annular flange of said first mixing paddle at least partially overlaps said second gear of said second mixing paddle to automatically retain said second mixing paddle in said second sleeve.
31. A mixing assembly as set forth in claim 25 further comprising a second resilient member disposed within said second sleeve between said lid and said first end of said second mixing paddle for biasing said second mixing paddle.
32. A mixing assembly as set forth in claim 1 wherein said first mixing paddle includes a plurality of vanes for mixing the bone cement.
33. A mixing assembly as set forth in claim 32 wherein said vanes are concave.
34. A mixing assembly as set forth in claim 32 wherein said plurality of vanes includes a first vane and a second vane, with said first vane in contact with said interior wall for scraping the bone cement and with said second vane spaced from said interior wall for spreading the bone cement.
35. A mixing assembly as set forth in claim 32 wherein said vanes of said first mixing paddle rotate beneath and around said second mixing paddle.
36. A mixing assembly as set forth in claim 1 wherein said housing includes a base for providing additional support to said housing.
37. A mixing assembly as set forth in claim 1 wherein said housing is further defined as a bowl.
38. A mixing assembly as set forth in claim 1 further comprising a vacuum port defined within said lid.
39. A mixing assembly for mixing bone cement, said mixing assembly comprising:
a housing having at least one interior wall;
a lid removably attachable to said housing and movable between an open position where the bone cement can be added to said housing and a sealed position where said lid is hermetically sealed to said housing to define a sealed mixing chamber between said lid and said interior wall of said housing for mixing the bone cement;

a handle having a portion extending through said lid and being rotatable about said lid for mixing the bone cement;
a mixing paddle operatively coupled to said portion of said handle for rotating with said portion wherein said mixing paddle is movable between an extended position when said lid is in said open position and a retracted position where said mixing paddle is adapted to scrape the bone cement from said interior wall when said lid is in said sealed position; and a resilient member disposed between said portion and said mixing paddle, said resilient member normally-biasing said mixing paddle into said extended position and said resilient member compressing in response to contact between said mixing paddle and said interior wall as said lid is moved from said open position to said sealed position thereby permitting said mixing paddle to retract into said retracted position such that said lid can be hermetically sealed to said housing in said sealed position, yet said mixing paddle can still scrape the bone cement from said interior wall.
40. A mixing assembly as set forth in claim 39 wherein said mixing paddle includes a first end and a second end wherein said first end is adjacent said lid and is operatively coupled to said portion of said handle and said second end is adjacent said housing opposite said first end.
41. A mixing assembly as set forth in claim 40 further comprising an annular flange disposed about said mixing paddle at said first end.
42. A mixing assembly as set forth in claim 41 further comprising at least one hole defined within said annular flange with said portion of said handle extending into said at least one hole to operatively couple said mixing paddle to said portion of said handle.
43. A mixing assembly as set forth in claim 42 wherein said at least one hole is further defined as first and second holes defined with said annular flange wherein said first hole is defined within said annular flange 180° apart from said second hole.
44. A mixing assembly as set forth in claim 43 wherein said portion of said handle includes a first set of tabs extending away from said handle with one of said tabs extending into said first hole to engage said annular flange at said first hole and the other of said tabs extending into said second hole to engage said annular flange at said second hole for operatively coupling said first mixing paddle to said portion of said handle.
45. A mixing assembly as set forth in claim 39 further comprising a sleeve defined within and extending entirely through said lid for supporting said portion of said handle.
46. A mixing assembly as set forth in claim 45 wherein said portion of said handle extends through said sleeve to extend through said lid.
47. A mixing assembly as set forth in claim 46 wherein said mixing paddle includes a first end and a second end wherein said first end is adjacent said lid and is operatively coupled to said portion of said handle extending through said sleeve and said second end is adjacent said housing opposite said first end.
48. A mixing assembly as set forth in claim 47 further comprising an annular flange disposed about said mixing paddle at said first end.
49. A mixing assembly as set forth in claim 48 further comprising at least one hole defined within said annular flange with said portion of said handle extending into said at least one hole to operatively couple said mixing paddle to said portion of said handle.
50. A mixing assembly as set forth in claim 49 wherein said at least one hole is further defined as first and second holes defined with said annular flange wherein said first hole is defined within said annular flange 180° apart from said second hole.
51. A mixing assembly as set forth in claim 50 wherein said portion of said handle includes a first set of tabs extending away from said handle with one of said tabs engaging said first hole of said annular flange and the other of said tabs engaging said second hole of said annular flange for operatively coupling said mixing paddle to said portion of said handle.
52. A mixing assembly as set forth in claim 47 further comprising a post at said first end of said mixing paddle extending from said annular flange.
53. A mixing assembly as set forth in claim 52 wherein said portion of said handle includes a socket extending away from said handle to receive said post of said mixing paddle for operatively coupling said mixing paddle to said portion of said handle.
54. A mixing assembly as set forth in claim 53 wherein said post of said mixing paddle and said socket of said portion of said handle are rectangular.
55. A mixing assembly as set forth in claim 53 wherein said portion of said handle further includes a centering post disposed within said socket.
56. A mixing assembly as set forth in claim 55 wherein said resilient member is disposed about said centering post, within said socket, and between said portion of said handle and said first end of said mixing paddle.
57. A mixing assembly as set forth in claim 40 further comprising a post extending from said first end of said mixing paddle away from said second end.
58. A mixing assembly as set forth in claim 57 wherein said portion of said handle includes a socket extending away from said handle to receive said post of said mixing paddle for operatively coupling said mixing paddle to said portion of said handle.
59. A mixing assembly as set forth in claim 58 wherein said post of said mixing paddle and said socket of said portion of said handle are rectangular.
60. A mixing assembly as set forth in claim 58 wherein said portion of said handle further includes a centering post disposed within said socket.
61. A mixing assembly as set forth in claim 60 wherein said resilient member is disposed about said centering post, within said socket, and between said portion of said handle and said first end of said mixing paddle.
62. A mixing assembly as set forth in claim 40 wherein said mixing paddle is rotatable about a fixed axis of rotation.
63. A mixing assembly as set forth in claim 62 further comprising a depression defined within said housing and aligned with said fixed axis of rotation for receiving said second end of said mixing paddle for maintaining said fixed axis of rotation and for stabilizing said mixing paddle during rotation.
64. A mixing assembly as set forth in claim 39 wherein said housing includes a base for providing additional support to said housing.
65. A mixing assembly as set forth in claim 39 wherein said housing includes a rim and said lid mates with said rim upon moving from said open position to said sealed position to hermetically seal said lid to said housing.
66. A mixing assembly as set forth in claim 65 further comprising a compression sealing member disposed between said lid and said rim.
67. A mixing assembly as set forth in claim 65 further comprising a plurality of tabs disposed about said lid and a plurality of locking ramps disposed about said rim of said housing, wherein said tabs of said lid engage said ramps of said housing upon movement of said lid from said open position to said sealed position.
68. A mixing assembly as set forth in claim 39 wherein said mixing paddle includes a plurality of vanes for mixing the bone cement.
69. A mixing assembly as set forth in claim 68 wherein said vanes are concave.
70. A mixing assembly as set forth in claim 68 wherein said plurality of vanes includes a first vane and a second vane, with said first vane in contact with said interior wall for scraping the bone cement and with said second vane spaced from said interior wall for spreading the bone cement.
71. A mixing assembly as set forth in claim 39 wherein said resilient member is further defined as a compression spring.
72. A mixing assembly as set forth in claim 39 further comprising a vacuum port defined within said lid.
73. A mixing assembly for mixing bone cement, said mixing assembly comprising:
a housing having at least one interior wall;
a lid removably attachable to said housing;
a handle having a portion extending through said lid and being rotatable in a first rotational direction;
a first mixing paddle operatively coupled to said portion of said handle and having a first fixed axis of rotation, said first mixing paddle rotating with said portion in said first rotational direction about said first fixed axis of rotation;
a second mixing paddle having a second fixed axis of rotation that is different from said first fixed axis of rotation of said first mixing paddle; and a gear set disposed between said first and second mixing paddles to operatively couple said second mixing paddle to said first mixing paddle such that said second mixing paddle rotates opposite said portion in a second rotational direction, opposite said first rotational direction, and about said second fixed axis of rotation when said portion and said first mixing paddle rotate in said first rotational direction.
74. A mixing assembly as set forth in claim 73 wherein said gear set includes a first gear associated with said first mixing paddle and a second gear associated with said second mixing paddle, with said first gear mating with said second gear to rotate said second mixing paddle in said second rotational direction when said portion and said first mixing paddle rotate in said first rotational direction.
75. A mixing assembly as set forth in claim 74 wherein a gear ratio of said first gear to said second gear is 2:1.
76. A mixing assembly as set forth in claim 74 wherein said first and second gears are further defined as spur gears.
77. A mixing assembly as set forth in claim 73 wherein said portion of said handle is rotatable in said second rotational direction and said first mixing paddle is operatively coupled to said portion such that said first mixing paddle is also rotatable in said second rotational direction that is opposite said first rotational direction.
78. A mixing assembly as set forth in claim 77 wherein said second mixing paddle is operatively coupled to said first mixing paddle via said gear set such that said second mixing paddle rotates in said first rotational direction when said portion and said first mixing paddle are rotating in said second rotational direction.
79. A mixing assembly as set forth in claim 73 wherein said first mixing paddle is rotatable about a first fixed axis of rotation and said second mixing paddle is rotatable about a second fixed axis of rotation that is different from said first fixed axis of rotation.
80. A mixing assembly as set forth in claim 79 wherein said first and second fixed axes of rotation remain fixed throughout rotation of said first and second mixing paddles.
81. A mixing assembly as set forth in claim 74 further comprising a first sleeve defined within and extending entirely through said lid for supporting said portion of said handle.
82. A mixing assembly as set forth in claim 81 wherein said portion of said handle extends through said first sleeve to extend through said lid.
83 A mixing assembly as set forth in claim 82 wherein said first mixing paddle includes a first end and a second end wherein said first end is adjacent said lid and is operatively coupled to said portion of said handle extending through said first sleeve and said second end is adjacent said housing opposite said first end.
84. A mixing assembly as set forth in claim 83 further comprising an annular flange disposed about said first mixing paddle at said first end.
85. A mixing assembly as set forth in claim 84 further comprising a second sleeve at least partially spaced from said first sleeve and extending from said lid for supporting said second mixing paddle.
86. A mixing assembly as set forth in claim 85 wherein said second mixing paddle includes a first end and a second end wherein said first end of said second mixing paddle is adjacent said lid and is disposed within said second sleeve and said second end of said second mixing paddle is adjacent said housing opposite said first end of said second mixing paddle.
87. A mixing assembly as set forth in claim 86 wherein said first gear is supported on said annular flange of said first mixing paddle and said second gear is disposed at said first end of said second mixing paddle.
88. A mixing assembly as set forth in claim 87 wherein said second gear of said second mixing paddle is recessed into said second sleeve.
89. A mixing assembly as set forth in claim 88 wherein said annular flange of said first mixing paddle at least partially overlaps said second gear of said second mixing paddle to automatically retain said second mixing paddle in said second sleeve.
90. A mixing assembly as set forth in claim 73 wherein said first mixing paddle rotates beneath and around said second mixing paddle.
91. A mixing assembly as set forth in claim 73 further comprising a vacuum port defined within said lid.
92. A mixing assembly as for mixing bone cement, said mixing assembly comprising:
a housing having at least one interior wall;

a lid removably attachable to said housing;
a handle having a portion extending through said lid and being rotatable in a first rotational direction;
a first mixing paddle operatively coupled to said portion of said handle for rotating with said portion in said first rotational direction; and a second mixing paddle operatively coupled to said first mixing paddle for rotating with said portion and said first mixing paddle in said first rotational direction.
93. A mixing assembly as set forth in claim 92 wherein said portion of said handle is rotatable in a second rotational direction that is opposite said first rotational direction and said first mixing paddle is operatively coupled to said portion such that said first mixing paddle is also rotatable in said second rotational direction.
94. A mixing assembly as set forth in claim 93 wherein said second mixing paddle is operatively coupled to said first mixing paddle such that said second mixing paddle rotates in said second rotational direction when said portion and said first mixing paddle are rotating in said second rotational direction.
95. A mixing assembly as set forth in claim 92 wherein said first mixing paddle is rotatable about a first fixed axis of rotation and said second mixing paddle is rotatable about a second fixed axis of rotation that is different from said first fixed axis of rotation.
96. A mixing assembly as set forth in claim 95 wherein said first and second fixed axes of rotation remain fixed throughout rotation of said first and second mixing paddles.
97. A mixing assembly as set forth in claim 95 further comprising a depression defined within said housing and aligned with said first fixed axis of rotation for receiving at least a portion of said first mixing paddle.
98. A mixing assembly as set forth in claim 97 wherein said first mixing paddle includes a first end and a second end wherein said first end is adjacent said lid and is operatively coupled to said portion of said handle and said second end is opposite said first end and is disposed in said depression for maintaining said first fixed axis of rotation and for stabilizing said first mixing paddle during rotation.
99. A mixing assembly as set forth in claim 92 further comprising a gear set disposed between said first and second mixing paddles for operatively coupling said second mixing paddle to said first mixing paddle such that said second mixing paddle rotates in said first rotational direction.
100. A mixing assembly as set forth in claim 99 wherein said gear set includes a first gear associated with said first mixing paddle, a second gear associated with said second mixing paddle, and a third gear disposed between said first and second gears to enable said portion of said handle and said first and second mixing paddles to rotate in said first rotational direction.
101. A mixing assembly as set forth in claim 100 wherein said first gear, said second gear, and said third gear are further defined as spur gears.
102. A mixing assembly as set forth in claim 92 wherein said first mixing paddle includes a plurality of vanes for mixing the bone cement.
103. A mixing assembly as set forth in claim 102 wherein said vanes are concave.
104. A mixing assembly as set forth in claim 102 wherein said plurality of vanes includes a first vane and a second vane, with said first vane in contact with said interior wall for scraping the bone cement and with said second vane spaced from said interior wall for spreading the bone cement.
105. A mixing assembly as set forth in claim 102 wherein said vanes of said first mixing paddle rotate beneath and around said second mixing paddle.
106. A mixing assembly for mixing bone cement, said mixing assembly comprising a housing having at least one interior wall, a lid removably attachable to said housing, and first and second mixing paddles supported by at least one of said housing and said lid for mixing the bone cement, said first and second mixing paddles being at least partially spaced from one another, with said first mixing paddle being rotatable in a first rotational direction about a first fixed axis of rotation and said second mixing paddle being operatively coupled to said first mixing paddle such that said second mixing paddle is rotatable in a second rotational direction, that is opposite said first rotational direction, about a second fixed axis of rotation.
107. A mixing assembly as set forth in claim 106 wherein said first mixing paddle is rotatable in said second rotational direction and said second mixing paddle is operatively coupled to said first mixing paddle such that said second mixing paddle rotates in said first rotational direction when said first mixing paddle rotates in said second rotational direction.
108. A mixing assembly as set forth in claim 106 further comprising a gear set disposed between said first and second mixing paddles for operatively coupling said second mixing paddle to said first mixing paddle such that said second mixing paddle rotates opposite said first mixing paddle in said second rotational direction when said first mixing paddle rotates in said first rotational direction.
109. A mixing assembly as set forth in claim 108 wherein said gear set includes a first gear associated with said first mixing paddle and a second gear associated with said second mixing paddle, with said first gear mating with said second gear to rotate said second mixing paddle in said second rotational direction when said first mixing paddle rotates in said first rotational direction.
110. A mixing assembly as set forth in claim 109 wherein a gear ratio of said first gear to said second gear is 2:1.
111. A mixing assembly as set forth in claim 109 wherein said first and second gears are further defined as spur gears.
112. A mixing assembly as set forth in claim 106 wherein said first mixing paddle includes a plurality of vanes for mixing the bone cement.
113. A mixing assembly as set forth in claim 112 wherein said vanes are concave.
114. A mixing assembly as set forth in claim 112 wherein said plurality of vanes includes a first vane and a second vane, with said first vane in contact with said interior wall for scraping the bone cement and with said second vane spaced from said interior wall for spreading the bone cement.
115. A mixing assembly as set forth in claim 112 wherein said vanes of said first mixing paddle rotate beneath and around said second mixing paddle.
116. A mixing assembly for mixing bone cement, said mixing assembly comprising:
a housing having at least one interior wall;
a lid removably attachable to said housing;
a handle having a portion extending through said lid and being rotatable in a first rotational direction and in a second rotational direction that is opposite said first rotational direction;
a first mixing paddle operatively coupled to said portion of said handle for rotating with said portion in said first rotational direction and in said second rotational direction; and a second mixing paddle operatively coupled to said first mixing paddle for rotating opposite said portion such that said second mixing paddle rotates;
in said second rotational direction when said portion and said first mixing paddle rotate in said first rotational direction, and in said first rotational direction when said portion and said first mixing paddle are rotating in said second rotational direction.
CA2478656A 2002-03-14 2003-03-13 Mixing assembly for mixing bone cement Expired - Lifetime CA2478656C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US36417102P 2002-03-14 2002-03-14
US60/364,171 2002-03-14
PCT/US2003/007567 WO2003078041A1 (en) 2002-03-14 2003-03-13 Mixing assembly for mixing bone cement

Publications (2)

Publication Number Publication Date
CA2478656A1 true CA2478656A1 (en) 2003-09-25
CA2478656C CA2478656C (en) 2011-04-26

Family

ID=28041886

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2478656A Expired - Lifetime CA2478656C (en) 2002-03-14 2003-03-13 Mixing assembly for mixing bone cement

Country Status (9)

Country Link
US (3) US6994465B2 (en)
EP (2) EP1483044B1 (en)
JP (1) JP4663238B2 (en)
AT (2) ATE527051T1 (en)
AU (1) AU2003225761A1 (en)
CA (1) CA2478656C (en)
DE (1) DE60329086D1 (en)
ES (1) ES2373845T3 (en)
WO (1) WO2003078041A1 (en)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070282443A1 (en) * 1997-03-07 2007-12-06 Disc-O-Tech Medical Technologies Ltd. Expandable element
IL128261A0 (en) 1999-01-27 1999-11-30 Disc O Tech Medical Tech Ltd Expandable element
US7621950B1 (en) 1999-01-27 2009-11-24 Kyphon Sarl Expandable intervertebral spacer
CN1835720B (en) * 2001-07-25 2011-09-28 Disc整形外科技术股份有限公司 Deformable tools and implants
DE60329086D1 (en) * 2002-03-14 2009-10-15 Stryker Corp MIXING ASSEMBLY FOR MIXING BONE CEMENT
SE519349C2 (en) * 2002-04-18 2003-02-18 Cemvac System Ab Bone cement preparation device, comprises mixing bowl and blades mounted in lid
US20060264967A1 (en) 2003-03-14 2006-11-23 Ferreyro Roque H Hydraulic device for the injection of bone cement in percutaneous vertebroplasty
US8066713B2 (en) 2003-03-31 2011-11-29 Depuy Spine, Inc. Remotely-activated vertebroplasty injection device
US20070032567A1 (en) * 2003-06-17 2007-02-08 Disc-O-Tech Medical Bone Cement And Methods Of Use Thereof
US8415407B2 (en) 2004-03-21 2013-04-09 Depuy Spine, Inc. Methods, materials, and apparatus for treating bone and other tissue
US8579908B2 (en) 2003-09-26 2013-11-12 DePuy Synthes Products, LLC. Device for delivering viscous material
GB2411849B (en) * 2004-03-08 2007-08-29 Summit Medical Ltd Apparatus for mixing and discharging bone cement
ATE457150T1 (en) * 2004-03-24 2010-02-15 Ian Geoffrey Wilson IMPROVED MIXING DEVICE
CN101065080B (en) 2004-07-30 2021-10-29 德普伊新特斯产品有限责任公司 Materials and instruments for treating bone and other tissue
US7317331B2 (en) * 2004-11-08 2008-01-08 Tabula, Inc. Reconfigurable IC that has sections running at different reconfiguration rates
US8029183B2 (en) * 2005-02-23 2011-10-04 Biomet Manufacturing Corp. Apparatus for mixing bone cement
US9381024B2 (en) 2005-07-31 2016-07-05 DePuy Synthes Products, Inc. Marked tools
US9918767B2 (en) 2005-08-01 2018-03-20 DePuy Synthes Products, Inc. Temperature control system
KR100759188B1 (en) * 2005-10-28 2007-09-14 주식회사 엘지화학 Method and apparatus for production of polyvinyl alcohol with high degree of polymerization
US8360629B2 (en) * 2005-11-22 2013-01-29 Depuy Spine, Inc. Mixing apparatus having central and planetary mixing elements
WO2008032322A2 (en) 2006-09-14 2008-03-20 Depuy Spine, Inc. Bone cement and methods of use thereof
EP2091818B1 (en) 2006-10-19 2016-06-08 DePuy Spine, Inc. Fluid delivery system and related method
JP4949801B2 (en) * 2006-10-24 2012-06-13 康正 天野 Stir paddle
US8102835B2 (en) * 2006-12-04 2012-01-24 Samsung Electronics Co., Ltd. System and method for wireless communication of uncompressed video having a beacon length indication
US8430557B2 (en) * 2007-03-13 2013-04-30 Vita-Mix Corporation Spoon food mixer
US20100274246A1 (en) * 2007-05-10 2010-10-28 Oren Globerman Expandable intramedullary nail for small bone fixation
CA2694558C (en) * 2007-07-25 2014-06-03 Depuy Spine, Inc. Expandable bone filler materials and methods of using same
CN101422711B (en) * 2007-11-02 2012-04-25 明基材料股份有限公司 Rotation component and stirring device using the same
US8262278B2 (en) * 2008-02-06 2012-09-11 Mortrex Llc Concrete mixing system
USD751873S1 (en) 2009-01-28 2016-03-22 Troy Yanoff Concrete mixing tool
US8136978B2 (en) * 2009-05-27 2012-03-20 Pacific Market International, Llc Tumbler with stirring assembly
GB2478276B (en) * 2010-02-24 2014-05-21 Interpet Ltd A water filter
US20110317511A1 (en) * 2010-06-09 2011-12-29 Steven Dobay Apparatus for mixing hair colorant chemicals
US9010993B1 (en) * 2010-06-25 2015-04-21 Bradford D. Overton Apparatus, system and method for mixing and dispensing dental impression materials
JP5755474B2 (en) * 2011-03-23 2015-07-29 佐竹化学機械工業株式会社 Stirrer
JP2014012261A (en) * 2012-07-05 2014-01-23 Inoue Mfg Inc Planetary mixer
CN102872747A (en) * 2012-10-24 2013-01-16 吴江华鹏制罐厂 Blender mounting head
US9656227B2 (en) * 2013-02-27 2017-05-23 Whirlpool Corporation Food blending appliance with wiper assembly
CN103565501A (en) * 2013-11-26 2014-02-12 广州佳林医疗用品制造有限公司 Bone cement stirrer
CN103963161A (en) * 2014-04-22 2014-08-06 李理 Gypsum gel stirrer
KR101645576B1 (en) * 2014-10-01 2016-08-05 백은정 Bone Cement Mixing Device
NL2013779B1 (en) * 2014-11-12 2016-10-07 Xeikon Ip Bv Stirring apparatus and method for stirring a liquid.
CN105415494B (en) * 2015-11-11 2017-10-13 太仓市伦文机械有限公司 A kind of high-efficiency cement agitating device
GB2550848A (en) * 2016-05-23 2017-12-06 Cattalytic Solutions Ltd Bone Cement Mixer
GB201706076D0 (en) 2017-04-18 2017-05-31 Wecool Toys Inc Apparatus and a method for the preparation of a play, craft and/or toy compound
KR101909729B1 (en) * 2018-06-20 2018-10-18 조현진 bone cement mixing device
US10966506B2 (en) 2018-10-30 2021-04-06 Rea Innovations, Inc. Dual-piston appliance for processing of cosmetic formulations
CN109464933A (en) * 2018-11-23 2019-03-15 嘉善天晟精密铸件有限公司 A kind of liquid stirring device with shock-absorbing function
CN110013778A (en) * 2019-05-27 2019-07-16 刘俊 A kind of cosmetics mixer
CN110215753B (en) * 2019-06-19 2020-08-04 山东兆通新材料有限公司 Filter equipment is used in water based paint production
US11497692B2 (en) 2019-10-15 2022-11-15 Rea Innovations, Inc. Systems and methods for blending solid-shell cosmetic ingredient capsules and blendable cosmetic ingredient capsules
US11660578B2 (en) 2019-10-15 2023-05-30 Rea Innovations, Inc. Systems and methods for blending solid-shell cosmetic ingredient capsules and blendable cosmetic ingredient capsules
USD986498S1 (en) 2020-03-04 2023-05-16 Rea Innovations, Inc. Cosmetic appliance
US11241119B2 (en) 2020-07-27 2022-02-08 Sharkninja Operating Llc Container for food processing system
USD956471S1 (en) 2020-10-22 2022-07-05 Sharkninja Operating Llc Blender base
USD984210S1 (en) 2020-10-22 2023-04-25 Sharkninja Operating Llc Blender container
USD999020S1 (en) 2020-10-22 2023-09-19 Sharkninja Operating Llc Blender container
USD982971S1 (en) 2020-10-22 2023-04-11 Sharkninja Operating Llc Blade holder
CN112979745A (en) * 2021-04-29 2021-06-18 江西天佳生物工程股份有限公司 Method for purifying antibacterial peptide by solid phase extraction
CN113338118B (en) * 2021-07-01 2022-06-07 广州市黄埔建筑工程总公司 Construction method of municipal road asphalt concrete pavement
CN113441039B (en) * 2021-08-27 2021-11-16 山东润扬化学有限公司 Shearing kettle for processing emulsion in water
CN114211611B (en) * 2021-12-23 2023-07-14 常州凯耀医疗器械有限公司 Bone cement stirring device with performance detection function

Family Cites Families (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126196A (en) * 1964-03-24 Staeger
CA558762A (en) 1958-06-10 Wadham Henry Mixing and agitating machines
US356694A (en) * 1887-01-25 Churn
US92738A (en) * 1869-07-20 Improved mixing-apparatus for preparing- waste coal for fuel
US381084A (en) * 1888-04-10 Car-brake
US1138815A (en) * 1915-05-11 Gustav Voss Paint-mixer.
US514358A (en) * 1894-02-06 Churn
US795082A (en) * 1905-01-23 1905-07-18 Landers Frary And Clark Cake-mixer.
US818914A (en) * 1905-02-15 1906-04-24 Thomas H Perrin Egg-beater.
US846872A (en) * 1906-07-09 1907-03-12 Daniel Leroy Stewart Churn.
US849273A (en) * 1906-07-10 1907-04-02 Ernst Jacobus Schuirmann Beater or mixer.
US929900A (en) * 1908-11-16 1909-08-03 Joseph F Torbett Churn.
US1002931A (en) * 1910-05-13 1911-09-12 John Holtz Agitator.
US1180020A (en) * 1913-03-26 1916-04-18 Charles H J Dilg Mixing-machine.
GB178572A (en) 1921-01-21 1922-04-21 James Harold Williams Improvements in vessels for containing and spraying paints, varnishes, and the like
US1612281A (en) * 1922-11-14 1926-12-28 Columbia Metal Products Compan Mixing apparatus
US2203135A (en) * 1937-09-15 1940-06-04 Charles E Farrington Paint mixing apparatus
US2184225A (en) * 1938-06-02 1939-12-19 Claude A Mcduffee Mixing device
GB517340A (en) 1938-07-25 1940-01-26 B B Chem Co Ltd Improvements in or relating to stirring or agitating of the contents of cans or the like
US2207884A (en) * 1938-11-30 1940-07-16 Bastian Blessing Co Draw-off gate control for ice cream freezers
US2453914A (en) * 1944-04-10 1948-11-16 George M Hollenback Device for mixing plaster compounds and mixtures
US2539436A (en) * 1946-10-12 1951-01-30 Kost Alwin Mixer
US2696022A (en) * 1951-04-23 1954-12-07 Steinbock Investment mixer
FR1037412A (en) * 1951-05-22 1953-09-16 Olier Sa Ets A Improvements to mixer-agitator devices allowing a fluid to be introduced into or out of a tank while the agitator system is in operation
US2677504A (en) * 1952-05-09 1954-05-04 Struthers Wells Corp Method of mixing, vacuum drying, and pulverizing an ortho-cellutone dye
US3131912A (en) * 1954-02-01 1964-05-05 Edmund A Steinbock Investment mixer
US3006614A (en) * 1959-04-20 1961-10-31 Abbe Engineering Co Cupped type rotor and vacuum stuffing box
JPS449251Y1 (en) 1964-05-15 1969-04-15
US3358971A (en) * 1965-06-21 1967-12-19 Whip Mix Corp Investment mixer
FR1477824A (en) * 1966-04-08 1967-04-21 Stephan U Sohne Fa A High speed cutting and mixing machine
GB1187140A (en) 1967-12-15 1970-04-08 T H & J Daniels Ltd Improvements in or relating to Mixing Machines
US3640510A (en) * 1969-09-26 1972-02-08 Degussa Vacuum stirring device for dental materials
BE794985A (en) * 1972-04-27 1973-05-29 Petzholdt Maschf J S VERTICAL MIXER
CA1021767A (en) * 1974-01-11 1977-11-29 Samuel J. Popeil Orbital whipper having rotatable beaters
US4185072A (en) * 1977-02-17 1980-01-22 Diemolding Corporation Orthopedic cement mixer
US4227184A (en) * 1978-12-19 1980-10-07 International Standard Electric Corporation Modified Miller Code encoder
US4277184A (en) 1979-08-14 1981-07-07 Alan Solomon Disposable orthopedic implement and method
SE428276B (en) 1980-04-08 1983-06-20 Wahlbeck Sven Gunnar MIXER
JPS6338901Y2 (en) * 1980-06-20 1988-10-13
JPS5712226A (en) 1980-06-25 1982-01-22 Toshiba Corp Heating cooker
SE450545B (en) * 1984-10-19 1987-07-06 Mit Ab PROCEDURE AND DEVICE FOR MANUFACTURING BENCEMENT FOR FIXING PROSTHESIS
SE447785B (en) * 1985-12-23 1986-12-15 Mit Ab DEVICE FOR APPLIANCES TO ALLOW BENCEMENT MIXING UNDER VACUUM
DE3609672A1 (en) * 1986-03-21 1987-09-24 Klaus Draenert EVACUABLE BONE CEMENT SYRINGE
US4961647A (en) * 1986-04-04 1990-10-09 Dhd Medical Products Orthopedic cement mixer
FR2597321A1 (en) 1986-04-22 1987-10-23 Vivalp Electric household appliance for preparing sauces
US4787751A (en) * 1986-06-20 1988-11-29 Marinus Bakels Bone cement mixing device
CH669080GA3 (en) * 1987-05-14 1989-02-28
JPH0258503A (en) * 1988-08-24 1990-02-27 Hitachi Ltd Apparatus for bulk polymerization and method for control thereof
US4973168A (en) * 1989-01-13 1990-11-27 Chan Kwan Ho Vacuum mixing/bone cement cartridge and kit
SE462315B (en) * 1989-05-03 1990-06-11 Surgitec Ab DEVICE FOR MANUFACTURING BENCEMENT
DK235589D0 (en) * 1989-05-12 1989-05-12 Wolff & Kaaber METHOD AND APPARATUS FOR MIXING A SOLID AND LIQUID COMPONENT
DE3919534A1 (en) * 1989-06-15 1990-12-20 Merck Patent Gmbh METHOD AND DEVICE FOR PREPARING BONE CEMENT
DE8907335U1 (en) * 1989-06-15 1990-10-18 Espe Stiftung & Co Produktions- Und Vertriebs Kg, 8031 Seefeld, De
JP2799435B2 (en) * 1989-06-19 1998-09-17 富士写真フイルム株式会社 Dissolving and defoaming method
IT1236864B (en) * 1989-12-29 1993-04-22 Tecres Spa PROCEDURE FOR MIXING AND ADMINISTRATING A TWO-PART BONE CONCRETE DIRECTLY ON THE SPOT, AND DEVICE THAT REALIZES IT
US4946285A (en) * 1990-03-08 1990-08-07 Hobart Corporation Bowl scraper attachment for planetary food mixer
US5265956A (en) * 1991-09-30 1993-11-30 Stryker Corporation Bone cement mixing and loading apparatus
GB9126011D0 (en) * 1991-12-06 1992-02-05 Summit Medical Ltd Bone cement mixing device
US5167447A (en) * 1992-04-22 1992-12-01 Gonzales Luis J M Flashlight using different size batteries
JPH0672539A (en) 1992-08-28 1994-03-15 Daifuku Co Ltd Cargo transport device
JPH0648828U (en) * 1992-12-07 1994-07-05 積水化学工業株式会社 Stirrer for high viscosity substances
JPH0729957Y2 (en) * 1993-03-26 1995-07-12 有限会社ナカイ Stirrer for cooking ingredients
US5505538A (en) * 1993-07-06 1996-04-09 Earle; Michael L. Automated bone cement mixing apparatus
AU7324594A (en) * 1993-07-06 1995-02-06 Michael L. Earle Automated bone cement mixing apparatus
US5395167A (en) * 1993-11-16 1995-03-07 Murray; William M. Manual bone cement mixing system
USD381084S (en) 1995-05-19 1997-07-15 Smith & Nephew Richards Inc. Cement mixer
US5556201A (en) * 1995-07-21 1996-09-17 Middleby Marshall Inc. Bowl scraper for commercial or industrial size food mixers
JP2915850B2 (en) * 1996-09-03 1999-07-05 川崎重工業株式会社 Stirrer
US6033105A (en) * 1996-11-15 2000-03-07 Barker; Donald Integrated bone cement mixing and dispensing system
US5876116A (en) * 1996-11-15 1999-03-02 Barker; Donald Integrated bone cement mixing and dispensing system
US5842786A (en) * 1997-03-07 1998-12-01 Solomon; Alan Method and device for mixing medical compositions
US6599005B2 (en) * 1997-06-13 2003-07-29 Hosokawa Micron Bv Intensive mixer
US6042262A (en) * 1997-07-29 2000-03-28 Stryker Technologies Corportion Apparatus for storing, mixing, and dispensing two-component bone cement
US5934803A (en) * 1997-10-30 1999-08-10 Physical Systems, Inc. Apparatus and method for mixing multi-part reaction materials under vacuum
JP3692231B2 (en) * 1998-02-20 2005-09-07 ハウス食品株式会社 Stirrer
US6120174A (en) * 1999-01-14 2000-09-19 Bristol-Myers Squibb Apparatus and method for mixing and dispensing bone cement
US6254268B1 (en) * 1999-07-16 2001-07-03 Depuy Orthopaedics, Inc. Bone cement mixing apparatus
US6655828B2 (en) * 2000-12-01 2003-12-02 Depuy Orthopaedics, Inc. Bone cement mixing apparatus having improved mixing blade configuration
DE10248333A1 (en) * 2002-01-25 2003-12-04 Bayer Ag Dynamic mixer
DE60329086D1 (en) * 2002-03-14 2009-10-15 Stryker Corp MIXING ASSEMBLY FOR MIXING BONE CEMENT

Also Published As

Publication number Publication date
US7967499B2 (en) 2011-06-28
ATE527051T1 (en) 2011-10-15
ATE441474T1 (en) 2009-09-15
EP1483044A1 (en) 2004-12-08
US7645066B2 (en) 2010-01-12
CA2478656C (en) 2011-04-26
EP2130579A1 (en) 2009-12-09
EP2130579B1 (en) 2011-10-05
ES2373845T3 (en) 2012-02-09
EP1483044A4 (en) 2007-01-03
WO2003078041A1 (en) 2003-09-25
US20030174576A1 (en) 2003-09-18
JP4663238B2 (en) 2011-04-06
US20100124143A1 (en) 2010-05-20
DE60329086D1 (en) 2009-10-15
EP1483044B1 (en) 2009-09-02
US6994465B2 (en) 2006-02-07
US20060087912A1 (en) 2006-04-27
JP2005519748A (en) 2005-07-07
AU2003225761A1 (en) 2003-09-29

Similar Documents

Publication Publication Date Title
CA2478656A1 (en) Mixing assembly for mixing bone cement
JP2005519748A5 (en)
US4946285A (en) Bowl scraper attachment for planetary food mixer
CA1280109C (en) Paint mixing container
AU2012365478B2 (en) Food processing tool
US5409365A (en) Noodle machine
US6932503B2 (en) Food scraper attachment for food mixer
RU77190U1 (en) MIXING DEVICE
KR101843901B1 (en) Mixing device
CA2714934C (en) Blade assembly for food processor
CN207430200U (en) A kind of mixing arrangement for preventing material sticky end
CN211988110U (en) Horizontal paddle mixer
CN210303481U (en) Medicine dispensing and adding device for oil field wastewater treatment
CN209733756U (en) Cup of kneading dough and cooking machine
CN220238577U (en) A reation kettle for silica gel production
CN213824534U (en) Novel flour mixer
CN2328328Y (en) Blade type movable sealing cover
SU1560427A1 (en) Mixer
CN216255037U (en) Dough mixer charging basket locking mechanism
CN214635940U (en) Interior decoration is with paint mixing of colors device convenient to clearance
CN217592604U (en) Pot lid and have heat preservation kettle of pot lid
CN210206612U (en) Coating stirring cylinder
CN216091973U (en) Portable rotary fire extinguisher
CN216631216U (en) Reliable and convenient to use's of locking casing locking structure of centrifuge
CN212338272U (en) Locking type three-way pipe

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20230313