CN105310804A - Automatic elastic expansion vertebral body implant - Google Patents
Automatic elastic expansion vertebral body implant Download PDFInfo
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- CN105310804A CN105310804A CN201410359041.XA CN201410359041A CN105310804A CN 105310804 A CN105310804 A CN 105310804A CN 201410359041 A CN201410359041 A CN 201410359041A CN 105310804 A CN105310804 A CN 105310804A
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- Prior art keywords
- connecting rod
- side extend
- elastic expansion
- vertebral implant
- automatic
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Abstract
The invention provides an automatic elastic expansion vertebral body implant. The automatic elastic expansion vertebral body implant comprises a body and two connecting rods, wherein the body is provided with a basic part and two lateral extending parts, each lateral extending part is provided with a tail end, the two connecting rods are contained in the basic part and the lateral extending parts of the body, each connecting rod is provided with a tail end, the tail ends of the connecting rods and the tail ends of the two lateral extending parts are hinged to a second pivot part and a third pivot part respectively, each connecting rod is provided with an inside end, and the inside ends of the two connecting rods are mutually hinged to a first pivot part. The body and at least one of the connecting rods have elastic deformation ability, so the two connecting rods will automatically pop away from the basic part of the body after being pushed or pulled by a predetermined distance away from the basic part of the body, and operation of the implant can be more advanced.
Description
Technical field
The present invention relates to a kind of for embedding the automatic elastic expansion vertebral implant carrying out Minimally Invasive Surgery between injured vertebral body, and in particular to a kind of can Automatic-expanding or flick or the automatic elastic expansion vertebral implant of automatic folding.
Background technology
The vertebral body of pressing human body is easily because age, accident, motion, long-term posture are bad or the external force factor such as employment injuries, vertebral body is occurred, and dislocation, cartilage degradation and fracture occur, especially old degenerative Vertebral body, severe patient very can cause the complications such as other dysfunction of organ of health to occur, and be solve vertebra degeneration pathological changes with age or other external force to cause uncomfortable problem, commonly to solve in the mode implemented interbody fusion or implant artificial intervertebral disk between vertebral body.And there is the advantages such as wound is little, recovery speed is fast, infection risk is low, therefore the operating developing direction in the less invasive techniques Yi Shi world today because of Minimally Invasive Surgery.
The vertebral implant such as such as TaiWan, China patent No. I236368, M426388, I407938, M400307 and U.S. Patent number 5888227 and No. 20130173003,20080147193, U.S. Patent Application Publication No., it all has the aspect without exception in fixing kenel or shape, it also cannot Automatic-expanding or flick or the structure of automatic folding or aspect, therefore its implant volume is comparatively large and cannot be applied to Minimally Invasive Surgery.
In addition, such as U.S. Patent number 8, 241, the vertebral implant such as 358 and U.S. Patent Application Publication No. 2014/0142858 and No. 2013/0079883, though these implants are designed to utilize and a kind ofly carry out launching as power driven tools or the action of folding or structure or aspect, this can carry out launching or the action of folding or structure or aspect do that power driven tools is required omnidistancely to be extruded or promote these elements or spare part, and these elements or spare part cannot Automatic-expanding or flick or automatic folding, so these implants can elongate operating time in operation and the area of fixing vertebral body is less makes vertebral body more built on the sand, therefore the space that also has greatly improved.
Summary of the invention
In view of this, the present inventor is active development research, phase can utility model a kind of can Automatic-expanding flick or automatic folding automatic elastic expansion vertebral implant, with reach handled easily, reduce operating time, increase vertebral body degree of stability and increase success rate of operation.
Main purpose of the present invention, be to provide a kind of automatic elastic to expand vertebral implant, it includes the element pivot joint or hinged of more than three or three, makes it can Automatic-expanding or flick or automatic folding, and makes it operationally can be more convenient, progressive.
An of the present invention object, be to provide a kind of automatic elastic expansion vertebral implant having Automatic-expanding or flick, sufferer wound is effectively reduced in energy folding more small size.
For reaching aforementioned object, a kind of automatic elastic expansion vertebral implant provided by the present invention, it is characterized in that, it at least comprises:
One body, have a basic part and two side extend part positions, each side extend part position has an end; And
Two connecting rods, be installed with inside the basic part and side extend part position of this body, each connecting rod has an end, the end of two connecting rods is hinged on one second pivot portion and one the 3rd pivot portion with the end of two side extend part positions of this body respectively, and each connecting rod has a medial extremity, the medial extremity of this two connecting rod is then hinged in one first pivot portion, and this body and this connecting rod wherein at least one has elastic deformability, make after this two connecting rod pushed away from or be pulled away from basic part one section of preset distance of this body, this two connecting rod meeting appliance for releasing single leaves the basic part of this body.
Described automatic elastic expansion vertebral implant, wherein: when this two connecting rod is pushed open to most open position place outward, push basic part one section of preset distance of this body to from two connecting rods toward in after, this two connecting rod can be retracted the basic part place of this body by appliance for releasing single.
Described automatic elastic expansion vertebral implant, wherein: the respectively L-shaped or arc of this connecting rod.
Described automatic elastic expansion vertebral implant, wherein: the first pivot portion that this two connecting rod is hinged is positioned at a hinged joint place near this body basic part, and makes two connecting rods form integrated formed structure.
Described automatic elastic expansion vertebral implant, wherein: the second pivot portion that two side extend part positions of this two connecting rod and body are hinged and the 3rd pivot portion are positioned at two hinged joint places in close outside, and make two connecting rods and body form integrated formed structure.
Described automatic elastic expansion vertebral implant, wherein: this preset distance is defined in the first pivot portion and crosses this second and third straight position of institute of pivot portion shape.
Described automatic elastic expansion vertebral implant, wherein: this body has at least one screw, can make power driven tools scarf for one.
Described automatic elastic expansion vertebral implant, wherein: the lateral surface of this body and this two connecting rod is respectively provided with tooth surface, to increase its frictional force.
Described automatic elastic expansion vertebral implant, wherein: this two connecting rod relatively each tool one lug, increases Area of bearing.
Described automatic elastic expansion vertebral implant, wherein: this body and connecting rod wherein at least one has at least one wavy elastic construction, to increase the pliability of this two connecting rod.
Described automatic elastic expansion vertebral implant, wherein: this body and connecting rod wherein at least one has at least one elastic construction, to increase the pliability of this two connecting rod.
Described automatic elastic expands vertebral implant wherein: be also hinged with at least one articulated elements between this two connecting rod, to increase the pliability of this two connecting rod.
Described automatic elastic expansion vertebral implant, wherein: two side extend part positions of this body are extended to profile groove inwardly by end respectively and are close to basic part, so that each side extend part position is separated formation, there is side extend part position and an outer side extend part position in elastic one, and respectively there is the upper and lower surface of upper and lower surface higher than outer side extend part position of elastic interior side extend part position, make this each interior side extend part position produce reverse buckle to prevent from deviating from from vertebral body.
Compared with prior art, the beneficial effect that the present invention has is: can Automatic-expanding or flick or automatic folding, handled easily, reduces operating time, can increase vertebral body degree of stability and increase success rate of operation.
Accompanying drawing explanation
Fig. 1 is axonometric chart of the present invention;
Fig. 2 is top view of the present invention;
Fig. 3, Fig. 4 are the hinged part amplification plan views of the present invention;
Fig. 5 is side view of the present invention;
Fig. 6 is automatically rebounding open illustrative view after the present invention two connecting rod is exceeded preset distance toward extrapolation;
Fig. 7, Fig. 8, Fig. 9 are that the present invention implants vertebral body operation operation chart;
Figure 10 is that the present invention two connecting rod launches to be pushed away toward in exceed the illustrative view that appliance for releasing single contracts after preset distance;
Figure 11 is the schematic diagram of the present invention two connecting rod outboard end projection lug;
Figure 12, Figure 13 are that the present invention is provided with elastic construction schematic diagram at each connecting rod;
Figure 14, Figure 15 are the schematic diagrams that the present invention sets up at least one articulated elements between each connecting rod;
Figure 16, Figure 17 are another hinged embodiment part enlarged diagrams of the present invention;
Figure 18 is that each connecting rod of the present invention forms the top view of isolating construction with profile groove;
Figure 19 is that each connecting rod of the present invention forms the side view of isolating construction with profile groove.
Description of reference numerals: 1 implant; 10,101 bodies; 11,111 basic parts; 12,13,121,131 side extend part positions; 1211, side extend part position in 1311; 1212,1312 outer side extend part positions; 14 rooms; 15,16 ends; 160,330 cushion spaces; 17 screws; 18,19,28,29 serrated surface; 20,201,202,203,30; 301,302,303, connecting rod; 21, the outboard end of 31 connecting rods; 22, the medial extremity of 32 connecting rods; 24,34 lugs; 25,35 wavy elastic constructions; 250,350 elastic constructions; 33 first pivot portions; 36 second pivot portions; 37 the 3rd pivot portions; 40 articulated elements; 80 vertebral bodys; 90 make power driven tools; 91 axles; A, B preset distance; D dead point; F profile groove.
Detailed description of the invention
The present invention relates to a kind of automatic elastic expansion vertebral implant, refer to shown in Fig. 1 to Fig. 5, this implant 1 mainly provides the injured bone embedding user, particularly vertebral body 80 (Fig. 7-Fig. 9) the inside, the implant 1 of Minimally Invasive Surgery can be carried out, make this implant 1 that vertebral body 80 that is injured or extruding can be used for prop up, and this implant 1 at least comprises without exception in bending or arc or arciform body 10, this body 10 includes basic part 11 and two side extend part positions 12, 13 in integrated structure or aspect, to be formed therein or to form the room 14 without exception in invaginated type.And this two side extend parts position 12,13 respectively has an outboard end or end 15,16; And
Two connecting rods 20,30, be installed with in the basic part 11 of this body 10 and side extend part position 12, inside 13 rooms formed 14, each connecting rod 20,30 have an outboard end 21,31 respectively and end 15,16 pivot joint of two side extend part positions 12,13 of this body 10 or hinged formation one second pivot portion 36 and one the 3rd pivot portion 37, and each connecting rod 20,30 has a medial extremity 22,32, generally L-shaped, arc or other structures, medial extremity 22,32 mutual pivot joints of this two connecting rod 20,30 or hinged formation one first pivot portion 33.And this body 10 and this two connecting rod 20,30 wherein at least one has elastic deformability.
As Fig. 1, shown in Fig. 2 and Fig. 4, this two connecting rod 20, the medial extremity 22 of 30, 32 are mutual pivot joints or are hinged on first place of pivot portion 33, make when this two connecting rod 20, (as Fig. 1 time inside the room 14 of 30 these bodies 10 of embedding, Fig. 2), this two connecting rod 20, 30 can contact or touch this body 10 basic part 11, and wherein this two connecting rod 20, 30 mutual pivot joints or the first hinged pivot portion 33, can be positioned at relatively near or touch a hinged joint place (as Fig. 4) of this body 10 basic part 11, and this two connecting rod 20, 30 liang of outboard ends 21, 31 and two side extend part positions 12 of this body 10, the end 15 of 13, 16 mutual pivot joints or be hinged on one second pivot portion 36 and one the 3rd pivot portion 37, two hinged joint places (as Fig. 3) near outside can be positioned at, to make this body 10, two connecting rods 20, 30 and two medial extremitys 22, 32 form integrated formed structure.
As shown in Fig. 2, Fig. 5 and Fig. 6, this body 10 has a screw 17 and is located at inside such as basic part 11 or one of them side extend part position 12,13, and can engage or scarf (as Fig. 6 to Fig. 8) for an axle 91 making power driven tools 90.
During operation, please referring to shown in Fig. 7 to Figure 10, this implant 1 can be embedded the injured bone of user by user, particularly inside vertebral body 80, this axle 91 making power driven tools 90 then can engage or this body 10 of scarf screw 17 and relative movement removes to contact or touch one of them connecting rod 20, 30, it therefore can by this two connecting rod 20, 30 push away out this body 10, and make when this two connecting rod 20, 30 are pushed away out a preset distance A to a dead point D (as Fig. 6 by from inner side or the collapsed position near this body 10, when position Fig. 8), this two connecting rod 20, 30 can leave to automatic springing the most external-open shown in this body 10 to Fig. 9 or operating position place.
Otherwise, as shown in Figure 10, when this two connecting rod 20,30 is contacted or promote the position of a preset distance B to a dead point D (as Fig. 6, Fig. 8) from being positioned at the most external-open shown in this Fig. 9 or operating position toward the direction of this body 10 time, this two connecting rod 20,30 to move to shown in Fig. 7 inner side or collapsed position place towards this body 10 in automatic springing ground.The dead point D of preset distance A, B described in it is defined in the first pivot portion 33 at least to cross this second pivot portion 36 and the straight position of shape, 37, the 3rd pivot portion.
As shown in figure 11, this two connecting rod 201,301 respectively also can have a lug 24,34 for increase implant 10 Area of bearing.And as shown in figure 12, each at least wavy elastic construction 25,35 of tool one of this two connecting rod 202,302, to increase the pliability of this two connecting rod 202,302; Or as shown in figure 13, it respectively at least can establish an elastic construction 250,350, to increase the pliability of this two connecting rod 202,302.Above-mentioned wavy elastic construction 25,35 or elastic construction 250,350 also can change is located at body 10.
As shown in Figure 18, Figure 19, two side extend part positions 121,131 of this body 101 are extended to profile groove F inwardly by end respectively and are close to basic part 111, so that each side extend part position 121,131 is formed separation, there is side extend part position 1211,1311 and an outer side extend part position 1212,1312 in elastic one, and the upper and lower surface respectively with elastic interior side extend part position 1211,1311 is the upper and lower surfaces higher than outer side extend part position 1212,1312, reverse buckle can be produced to prevent the effect of deviating from from vertebral body to make that respectively there is elastic interior side extend part position 1211,1311.
Wherein required it is to be noted that, this two connecting rod 20,30 by near this body 10 as long as inner side or collapsed position pushed away from out the position of a preset distance A to a dead point D (as Fig. 6, Fig. 8) time, this two connecting rod 20, namely 30 can leave to springing the most external-open shown in this body 10 to Fig. 9 or operating position place automatically, and do not need by from being pushed to the most external-open shown in Fig. 9 or operating position place near the inner side of this body 10 or collapsed position whole process; And it does not need to be pushed to inner side or the collapsed position place shown in Fig. 7 from most external-open or operating position whole process yet.When this two connecting rod 20, time the most external-open shown in this body 10 to Fig. 9 or operating position are left in 30 automatically springing, at this body 10 and this two connecting rod 20, autologous bone or artificial bone or other implants can be inserted in the space between 30 to carry out vertebral fusion operation.
The lateral surface of this body 10 and this two connecting rod 20,30 respectively can be provided with at least one serrated surface 18,19,28,29, and can increase the frictional force between itself and bone or vertebrae 80.In addition can alternatively, as shown in Figure 14 and Figure 15, this implant 1 also can comprise extra hinge bar or articulated elements 40 pivot joint or be hinged on this two connecting rod 203, between 303, to increase the pliability of this two connecting rod 203,303 further.As shown in figure 16, each hinged joint place in this second pivot portion 36 and the 3rd pivot portion 37 can establish the cushion space 160 without exception in small circular.As shown in figure 17, the hinged joint place in this first pivot portion 33 can establish the cushion space 330 without exception in small circular.
Wherein must it is noted that current implant can automatically not flick or the structure of automatically folding or aspect, as long as so have and can automatically to flick or the structure of implant of automatically folding all will belong to category of the present invention.
Then can be various different conversion as the outward appearance of this body 10 and this two connecting rod 20,30 or shape or structure to implement.So no matter how the outward appearance of this body 10 and this two connecting rod 20,30 or shape or structure change, also all category of the present invention will be belonged to.
Claims (13)
1. an automatic elastic expansion vertebral implant, it is characterized in that, it at least comprises:
One body, have a basic part and two side extend part positions, each side extend part position has an end; And
Two connecting rods, be installed with inside the basic part and side extend part position of this body, each connecting rod has an end, the end of two connecting rods is hinged on one second pivot portion and one the 3rd pivot portion with the end of two side extend part positions of this body respectively, and each connecting rod has a medial extremity, the medial extremity of this two connecting rod is then hinged in one first pivot portion, and this body and this connecting rod wherein at least one has elastic deformability, make after this two connecting rod pushed away from or be pulled away from basic part one section of preset distance of this body, this two connecting rod meeting appliance for releasing single leaves the basic part of this body.
2. automatic elastic expansion vertebral implant as claimed in claim 1, it is characterized in that: when this two connecting rod is pushed open to most open position place outward, push basic part one section of preset distance of this body to from two connecting rods toward in after, this two connecting rod can be retracted the basic part place of this body by appliance for releasing single.
3. automatic elastic expansion vertebral implant as claimed in claim 1, is characterized in that: the respectively L-shaped or arc of this connecting rod.
4. automatic elastic expansion vertebral implant as claimed in claim 1, is characterized in that: the first pivot portion that this two connecting rod is hinged is positioned at a hinged joint place near this body basic part, and makes two connecting rods form integrated formed structure.
5. automatic elastic expansion vertebral implant as claimed in claim 1, it is characterized in that: the second pivot portion that two side extend part positions of this two connecting rod and body are hinged and the 3rd pivot portion are positioned at two hinged joint places near outside, and make two connecting rods and body form integrated formed structure.
6. automatic elastic expansion vertebral implant as claimed in claim 1, is characterized in that: this preset distance is defined in the first pivot portion and crosses this second and third straight position of institute of pivot portion shape.
7. automatic elastic expansion vertebral implant as claimed in claim 1, is characterized in that: this body has at least one screw, can make power driven tools scarf for one.
8. automatic elastic expansion vertebral implant as claimed in claim 1, is characterized in that: the lateral surface of this body and this two connecting rod is respectively provided with tooth surface, to increase its frictional force.
9. automatic elastic expansion vertebral implant as claimed in claim 1, is characterized in that: this two connecting rod relatively each tool one lug, increases Area of bearing.
10. automatic elastic expansion vertebral implant as claimed in claim 1, is characterized in that: this body and connecting rod wherein at least one has at least one wavy elastic construction, to increase the pliability of this two connecting rod.
11. automatic elastics as claimed in claim 1 expansion vertebral implant, is characterized in that: this body and connecting rod wherein at least one has at least one elastic construction, to increase the pliability of this two connecting rod.
12. automatic elastic expansion vertebral implant as claimed in claim 1 is characterized in that: be also hinged with at least one articulated elements between this two connecting rod, to increase the pliability of this two connecting rod.
13. according to any one of claim 1 to 12 automatic elastic expansion vertebral implant, it is characterized in that: two side extend part positions of this body are extended to profile groove inwardly by end respectively and are close to basic part, so that each side extend part position is separated formation, there is side extend part position and an outer side extend part position in elastic one, and respectively there is the upper and lower surface of upper and lower surface higher than outer side extend part position of elastic interior side extend part position, make this each interior side extend part position produce reverse buckle to prevent from deviating from from vertebral body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359041.XA CN105310804B (en) | 2014-07-25 | 2014-07-25 | Automatic elastic expansion vertebral body implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359041.XA CN105310804B (en) | 2014-07-25 | 2014-07-25 | Automatic elastic expansion vertebral body implant |
Publications (2)
| Publication Number | Publication Date |
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| CN105310804A true CN105310804A (en) | 2016-02-10 |
| CN105310804B CN105310804B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410359041.XA Expired - Fee Related CN105310804B (en) | 2014-07-25 | 2014-07-25 | Automatic elastic expansion vertebral body implant |
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| CN (1) | CN105310804B (en) |
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| WO2000044321A2 (en) * | 1999-01-27 | 2000-08-03 | Disc-O-Tech Medical Technologies, Ltd. | Expandable element delivery system |
| US6126689A (en) * | 1998-06-15 | 2000-10-03 | Expanding Concepts, L.L.C. | Collapsible and expandable interbody fusion device |
| US20050070911A1 (en) * | 2003-09-29 | 2005-03-31 | Scimed Life Systems, Inc. | Apparatus and methods for reducing compression bone fractures using high strength ribbed members |
| US20060084985A1 (en) * | 2004-10-20 | 2006-04-20 | The Board Of Trustees Of The Leland Stanford Junior University | Systems and methods for posterior dynamic stabilization of the spine |
| US20080243255A1 (en) * | 2007-03-29 | 2008-10-02 | Butler Michael S | Radially expandable spinal interbody device and implantation tool |
| CN101502436A (en) * | 2009-03-11 | 2009-08-12 | 吴乃庆 | Device for expanding and fusing bone |
| WO2010105181A1 (en) * | 2009-03-13 | 2010-09-16 | University Of Toledo | Minimally invasive collapsible cage |
| US20110276141A1 (en) * | 2010-05-05 | 2011-11-10 | Alexandre Caratsch | Intervertebral spacer, system and method to distract adjacent vertebrae and insert a spacer |
| CN102427769A (en) * | 2009-03-12 | 2012-04-25 | 维克辛姆公司 | Apparatus for bone restoration of the spine and methods of use |
| WO2012112596A1 (en) * | 2011-02-14 | 2012-08-23 | Imds Corporation | Expandable intervertebral implants |
-
2014
- 2014-07-25 CN CN201410359041.XA patent/CN105310804B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6126689A (en) * | 1998-06-15 | 2000-10-03 | Expanding Concepts, L.L.C. | Collapsible and expandable interbody fusion device |
| WO2000044321A2 (en) * | 1999-01-27 | 2000-08-03 | Disc-O-Tech Medical Technologies, Ltd. | Expandable element delivery system |
| US20050070911A1 (en) * | 2003-09-29 | 2005-03-31 | Scimed Life Systems, Inc. | Apparatus and methods for reducing compression bone fractures using high strength ribbed members |
| US20060084985A1 (en) * | 2004-10-20 | 2006-04-20 | The Board Of Trustees Of The Leland Stanford Junior University | Systems and methods for posterior dynamic stabilization of the spine |
| US20080243255A1 (en) * | 2007-03-29 | 2008-10-02 | Butler Michael S | Radially expandable spinal interbody device and implantation tool |
| CN101502436A (en) * | 2009-03-11 | 2009-08-12 | 吴乃庆 | Device for expanding and fusing bone |
| CN102427769A (en) * | 2009-03-12 | 2012-04-25 | 维克辛姆公司 | Apparatus for bone restoration of the spine and methods of use |
| WO2010105181A1 (en) * | 2009-03-13 | 2010-09-16 | University Of Toledo | Minimally invasive collapsible cage |
| US20110276141A1 (en) * | 2010-05-05 | 2011-11-10 | Alexandre Caratsch | Intervertebral spacer, system and method to distract adjacent vertebrae and insert a spacer |
| WO2012112596A1 (en) * | 2011-02-14 | 2012-08-23 | Imds Corporation | Expandable intervertebral implants |
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| CN105310804B (en) | 2017-05-17 |
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