CN101953705A - Combined multifunctional osteotomy device - Google Patents

Combined multifunctional osteotomy device Download PDF

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Publication number
CN101953705A
CN101953705A CN 201010529609 CN201010529609A CN101953705A CN 101953705 A CN101953705 A CN 101953705A CN 201010529609 CN201010529609 CN 201010529609 CN 201010529609 A CN201010529609 A CN 201010529609A CN 101953705 A CN101953705 A CN 101953705A
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China
Prior art keywords
osteotomy
positioning needle
location
guide rail
drill bit
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CN 201010529609
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Chinese (zh)
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CN101953705B (en
Inventor
唐佩福
王坤正
唐海
李刚
夏和桃
彭爱民
杨华清
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Beijing Institute of External Skeletal Fixation Technology
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Beijing Institute of External Skeletal Fixation Technology
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Publication of CN101953705A publication Critical patent/CN101953705A/en
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Abstract

The invention discloses a combined multifunctional osteotomy device. The device comprises an osteotomy drill and a drive mechanism thereof, wherein the osteotomy drill and an osteotomy end positioning needle are arranged side by side; the tips of the osteotomy drill and the osteotomy end positioning needle are downward and are sleeved in an osteotomy end casing; the top part of the osteotomy end casing is sleeved with a limiting plate which is extended to two sides horizontally; the osteotomy end casing is provided with at least two holes side by side along the axial direction; the osteotomy end positioning needle and the osteotomy drill are respectively inserted into the holes of the osteotomy end casing; and the upper part of the osteotomy end positioning needle is connected with the handle of the osteotomy end positioning needle. The combined multifunctional osteotomy device can perform various osteotomy surgeries according to treatment needs, is convenient for surgical operation, and increases application range of instruments. An osteotomy surgery performed by adopting the combined multifunctional osteotomy device belongs to a minimally invasive surgery, and does not damage nerves, veins, soft tissues and periosteum. The combined multifunctional osteotomy device can be widely used for the osteotomy surgeries such as extremities fractures and deformity correction, and is also suitable for the osteotomy surgeries such as cerebral surgery and maxillofacial surgery.

Description

Multifunctional assembled osteotomy device
Technical field
The present invention relates to a kind of bone surgery apparatus, particularly a kind of osteotomy device.
Background technology
Present employed apparatus during the bone surgery osteotomy, as rip, goose saw, trepan, reciprocating sow, osteotome, tibial cut device, amputation knife, osteotome, bone drill etc., modus operandi is an open-incision.Surgical wound is big, and osteotomy place easy damaged is destroyed the soft tissue and the periosteum of wound perimeter easily, causes delayed union, directly influences postoperative rehabilitation.When especially carrying out lopsided bone orthomorphia osteotomy, existing apparatus does not reach the effect of expection arc angle osteotomy, and difficult needs with Full foot Orthopeadic Surgery orthomorphia also bring many negative effects to rehabilitation of patients.Therefore, many medical institutions and medical personnel have researched and developed some novel osteotomy apparatuses, as application number be 200810103235.8 and application number be 200710048811.9 variable lower jaw angle locating bone cutting device, the patent No. is 200620134169.7 swinging saw special for mandibular angle bone cutting, the patent No. is a 00233089.X foot hallux valgus osteotomy device, the patent No. is 03245037.0, the patent No. is 200420089184.5, the patent No. is 200720183373.2, the patent No. is the deep saws of multiple orthopaedics osteotomy electric drill such as 200620119128.0, but above-mentioned osteotomy device only is applicable to the angle of mandible location osteotomy of surgical plastic respectively, foot hallux valgus osteotomy or femur cutting bone operation, can't be widely used in extremity, position osteotomy such as cranium brain, it is big also can't to solve the wound that exists in the present bone-culting operation, problems such as operation inconvenience.
The existing employed bone drill of bone surgery is generally the people and operates by hand, directly by the continuous boring realization osteotomy of drill bit to the art bone, does not have positioning function and measurement function, also can't satisfy the required precision of arc angle osteotomy.Soft tissue around directly acting on during the drill bit rotation damages soft tissue, and operation wound is big, causes very big misery to the patient.
Summary of the invention
The invention provides a kind of multifunctional assembled osteotomy device, solve existing osteotomy device operation inconvenience, location inaccuracy, destroy the problem of osteotomy place wound perimeter tissue, and solve existing osteotomy device can't reach multiple osteotomy shape when operation problem.
The technical solution adopted for the present invention to solve the technical problems is:
This multifunctional assembled osteotomy device, comprise osteotomy drill bit and driving mechanism thereof, described osteotomy drill bit and an osteotomy end positioning needle are put side by side, and be inserted in the osteotomy end sleeve pipe down side by side at the tip, the telescopic top of described osteotomy end is socketed with the limiting plate that a level stretches to both sides, osteotomy end sleeve pipe vertically and show at least two ducts, osteotomy end positioning needle and osteotomy drill bit are inserted in respectively in the telescopic duct of osteotomy end, osteotomy end positioning needle top is connected with osteotomy end positioning needle handle.
Described osteotomy end sleeve pipe side is connected with an edge positioning baffle side by side, and the length of edge positioning baffle is longer than osteotomy end positioning needle and osteotomy drill bit.
Guide rail is also adjusted in location of socket in described osteotomy end sleeve pipe upper end, it is strip that guide rail is adjusted in described location, the edge was long to having the positioning needle chute one in the middle of guide rail was adjusted in the location, have the location along the positioning needle chute and adjust the guide rail graduated scale, one end of location adjustment guide rail has and is used for the telescopic location of socket osteotomy end trepanning, described location trepanning peripheral band has the angle adjustment scale, the other end that guide rail is adjusted in described location also slidely connects the far-end locating sleeve, in the described far-end locating sleeve far-end positioning needle is installed.
Described far-end locating sleeve is formed by connecting up and down by short sleeve and long tube two parts, short sleeve laterally has and is used to insert the rectangular through-hole that guide rail is adjusted in the location together, short sleeve is fixedlyed connected with the positioning sleeve set bolt by the screw thread of its inwall, positioning sleeve set bolt bottom surface offsets with location adjustment guide rail upper surface and compresses, positioning sleeve set bolt center has the positioning needle perforation, the positioning needle chute rear lower that the far-end positioning needle is passed down through on positioning needle perforation and the location adjustment guide rail passes from the long tube of far-end locating sleeve, and far-end positioning needle top is connected with far-end positioning needle handle.
The diameter of described osteotomy drill bit is 1.0~4.0mm.
Described osteotomy drill bit top is partly with the drill bit graduated scale more than exceeding osteotomy end sleeve pipe, and the length of drill bit graduated scale is 10mm~100mm.
The aperture of described positioning needle perforation, the perforation of osteotomy end positioning needle, osteotomy bit bore is identical, and the aperture is 1.1~4.1mm.
The diameter of described osteotomy end positioning needle is 1.0~4.0mm.
The length that the guide rail graduated scale is adjusted in described location is 5mm~150mm.
Described limiting plate end has the angle orientation reference opening.
Beneficial effect of the present invention is as follows:
1, the present invention can need carry out multiple shape bone-culting operation according to treatment, makes things convenient for operation technique, has increased the scope of application of apparatus.For example: when the present invention is used for oblique bone-culting operation, can increase the knitting area, guarantee the stable of fracture end, accelerate knitting speed.When the present invention is used for Z-shaped sanction osseous surgery, can be suitable for the following damaged operation of bone of 4cm, and need bone grafting or allosome to move the treatment of bone.When the present invention is used for wedge osteotomy and carries out lopsided bone integer, can carry out wedge osteotomy, be convenient to adjust the knitting angle and reach the normal line of force by suitable angle.The present invention can also carry out the arc osteotomy, by the treatment requirement art bone is horizontally rotated, and helps lopsided bone orthopaedic treatment.
2, the bone-culting operation that adopts the present invention to carry out belongs to Minimally Invasive Surgery, earlier soft tissue is cut an osculum during operation, put into location osteotomy end sleeve pipe, reuse osteotomy bit bore, osteotomy end positioning needle is inserted in the hole, and osteotomy end positioning needle and osteotomy drill bit position osteotomy in the mutual dislocation of osteotomy end inside pipe casing.In the bone-culting operation, osteotomy end sleeve pipe can be pushed nerve and blood vessel, soft tissue and the periosteum around the boring aside, thereby has avoided drill bit to contact with soft tissue, causes tissue injury.Osteotomy produces mini-incision, helps promoting that bone is rebuild, healing.
3, the present invention can prevent the unexpected pulverizing of bone when operation, reduces damaged.When holing in the edge of art bone before,, very easily cause side seam pulverizing, damaged because of the close outside of drill bit.Of the present inventionly have baffle plate at the telescopic downside of osteotomy end, baffle plate can be adjacent to the art bone during operation, plays the effect of backplate, the bone splits that causes when preventing the bone flank hole, pulverizing and damaged.
4, osteotomy is accurate, and the location is adjusted on the guide rail and had graduated scale, can precisely locate osteotomy lines such as art bone curve, arc.With reference to X-ray sheet before the art, can be accurately with the art bone by art before design proportion (angle) cut down.Graduated scale on the osteotomy drill bit also is convenient to determine the art bone drilling degree of depth, prevents to cause down facial bone side soft tissue and neural damage, and the accuracy rate of operation is up to more than 99%, and the safety of bone-culting operation and accuracy aspect have obtained substantial breakthrough.
5, the present invention can be the center of circle with the positioning needle when the arc osteotomy, freely rotates and adjusts positioning guide rail angle and longitudinal size, makes things convenient for the medical worker to operate, and shortens operating time, and surgical effect is secure.
6, the present invention possesses multiple function, and when carrying out the operation of oblique, Z-shaped, wedge osteotomy, osteotomy end sleeve pipe can use separately.When the edge to the art bone holes, also can be replaced into baffled osteotomy sleeve pipe.
The present invention can be widely used in dried bone, the corrigent bone-culting operation of deformity, also can be used for the bone-culting operation of neurocranial surgery, decorative sursery etc.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the perspective view of multifunctional assembled location osteotomy device.
Fig. 2 is the structural representation of facing of multifunctional assembled location osteotomy device.
Fig. 3 is the backsight structural representation of multifunctional assembled location osteotomy device.
Fig. 4 be multifunctional assembled location osteotomy device overlook the TV structure sketch map.
Fig. 5 is the planar structure sketch map that guide rail is adjusted in the location.
Fig. 6 is the telescopic plan structure sketch map of osteotomy end.
Fig. 7 is the telescopic using method sketch map of belt edge positioning baffle.
Fig. 8 is the sketch map that multifunctional assembled location osteotomy device carries out the arc osteotomy.
Fig. 9 is the plane graph of arc osteotomy.
Figure 10 is the sketch map that multifunctional assembled location osteotomy device carries out the inclined-plane osteotomy.
Figure 11 is the plane graph of inclined-plane osteotomy.
Figure 12 is the plane graph of Z-shaped osteotomy.
Figure 13 is the plane graph of wedge osteotomy.
Reference numeral: 1-far-end locating sleeve, 2-positioning sleeve set bolt, 3-rectangular through-hole, 4-far-end positioning needle, 5-far-end positioning needle handle, the center of circle, 6-osteotomy location, the perforation of 7-positioning needle, 8-adjusts guide rail in the location, and 9-adjusts the guide rail graduated scale in the location, 10-locatees trepanning, 11-osteotomy end sleeve pipe, 12-art bone, the perforation of 13-osteotomy end positioning needle, 14-osteotomy bit bore, 15-osteotomy end positioning needle, 16-osteotomy drill bit, 17-drill bit graduated scale, 18-angle adjustment scale, 19-edge positioning baffle, 20-positioning needle chute, 21-osteotomy end positioning needle handle, 22-limiting plate, 23-angle orientation reference opening, 24-punches, and 25-does not punch, the 26-drive motors.
The specific embodiment
Shown in Fig. 1-6, this multifunctional assembled osteotomy device, comprise osteotomy drill bit 16 and driving mechanism thereof, described osteotomy drill bit 16 and an osteotomy end positioning needle 15 are put side by side, and be inserted in the osteotomy end sleeve pipe 11 down side by side at the tip, the top of described osteotomy end sleeve pipe 11 is socketed with the limiting plate 22 that a level stretches to both sides, osteotomy end sleeve pipe 11 vertically and show two ducts, osteotomy end positioning needle 15 and osteotomy drill bit 16 are inserted in respectively in the duct of osteotomy end sleeve pipe 11, and osteotomy end positioning needle 15 tops are connected with osteotomy end positioning needle handle 21.
Guide rail 8 is also adjusted in location of socket in described osteotomy end sleeve pipe 11 upper ends, it is strip that guide rail 8 is adjusted in described location, the edge was long to having positioning needle chute 20 one in the middle of guide rail 8 was adjusted in the location, have the location along positioning needle chute 20 and adjust guide rail graduated scale 9, the end that guide rail 8 is adjusted in the location has the location trepanning 10 that is used for socket osteotomy end sleeve pipe 11, described location trepanning 10 peripheries have angle adjustment scale 18, the other end that guide rail 8 is adjusted in described location also slidely connects far-end locating sleeve 1, in the described far-end locating sleeve far-end positioning needle 4 is installed.
Described far-end locating sleeve 1 is formed by connecting up and down by short sleeve and long tube two parts, short sleeve laterally has and is used to insert the rectangular through-hole 3 that guide rail 8 is adjusted in the location together, short sleeve is fixedlyed connected with positioning sleeve set bolt 2 by the screw thread of its inwall, positioning sleeve set bolt 2 bottom surfaces offset with location adjustment guide rail 8 upper surfaces and compress, positioning sleeve set bolt 2 centers have positioning needle perforation 7, positioning needle chute 20 rear lowers that far-end positioning needle 4 is passed down through on positioning needle perforation 7 and the location adjustment guide rail 8 pass from the long tube of far-end locating sleeve 1, and far-end positioning needle 4 tops are connected with far-end positioning needle handle 5.
Referring to shown in Figure 2, the diameter of described osteotomy drill bit 16 is 1.0~4.0mm.Osteotomy drill bit 16 tops are partly with drill bit graduated scale 17 more than exceeding osteotomy end sleeve pipe, and the length of drill bit graduated scale is 10mm~100mm.The diameter of described osteotomy end positioning needle 15, far-end positioning needle 4 is 1.0~4.0mm.
Referring to shown in Figure 5, the length that guide rail graduated scale 9 is adjusted in described location is 5mm~150mm.Location trepanning 10 peripheries have angle adjustment scale 18, and the angular range of angle adjustment scale 18 can be 180~360 degree.
Referring to Fig. 1, shown in Figure 6, the aperture of described positioning needle perforation 7, osteotomy end positioning needle perforation 13, osteotomy bit bore 14 is identical, and its diameter is 1.1~4.1mm.Osteotomy end sleeve pipe 11 among the figure has 2 perforation, is respectively perforation 13 of osteotomy end positioning needle and osteotomy bit bore 14.Limiting plate 22 ends have angle orientation reference opening 23.
 
Embodiment one, and referring to Fig. 8, shown in Figure 9, the operating procedure of the present invention when carrying out the arc osteotomy is as follows:
At first determine the center of circle 6, osteotomy location before the art, and soft tissue cut an osculum, put into far-end locating sleeve 1, make a locating hole with drill bit then, far-end positioning needle 4 is fixed on the locating hole, and as the center of circle, according to the osteotomy radian curve location that designs in advance, adjust guide rail graduated scale 9 with reference to the location, adjust far-end locating sleeve 1, again the positioning sleeve hold-down nut is locked locating the position of adjusting on the guide rail 8.Afterwards osteotomy end sleeve pipe 11 is passed the location and adjust the positioning sleeve hole 10 of the other end of guide rail, and put it in advance and cut in the osculum at osteotomy position soft tissue, again osteotomy end positioning needle 15 and osteotomy drill bit 16 are inserted respectively in the hole of osteotomy end sleeve pipe 11, osteotomy end positioning needle 15 tops are connected with osteotomy end positioning needle handle 21, and osteotomy drill bit 16 tops are connected with rig.
When carrying out the bone-culting operation operation, handle earlier osteotomy drill bit 16 and get out first hole at the osteotomy place, and osteotomy end positioning needle 15 interted in this hole, handle osteotomy drill bit 16 and go out second hole at osteotomy end positioning needle 15 1 sidetrackings, be the center of circle with osteotomy end positioning needle 15 again, with osteotomy end sleeve pipe 11 Rotate 180s °, handle osteotomy drill bit 16 again and get out the 3rd hole at osteotomy end positioning needle 15 opposite sides, extract the osteotomy drill bit then, again osteotomy end positioning needle 15 is moved in second or the 3rd hole and locate, handle osteotomy drill bit 16 again and get out the 4th hole at the osteotomy place, successively by the above-mentioned steps repetitive operation, until the art bone is sectioned.
Embodiment two, shown in Figure 10,11, when the present invention carries out the inclined-plane osteotomy, need not far-end positioning needle 4 location, location adjustment guide rail 8 and far-end locating sleeve 1 can be pulled down during use, directly adopt osteotomy end sleeve pipe 11, osteotomy end positioning needle 15, osteotomy drill bit 16, osteotomy end positioning needle handle 21 and drive motors 26 can finish osteotomy, identical during the bone-culting operation of operational approach and the foregoing description one.
Embodiment three, referring to shown in Figure 12, when the present invention carries out Z-shaped osteotomy, need not far-end positioning needle 4 location, location adjustment guide rail 8 and far-end locating sleeve 1 can be pulled down during use, directly adopt osteotomy end sleeve pipe 11, osteotomy end positioning needle 15, osteotomy drill bit 16, osteotomy end positioning needle handle 21 and drive motors 26 can finish osteotomy, identical during the bone-culting operation of operational approach and the foregoing description one.
Embodiment four, referring to shown in Figure 13, when the present invention carries out wedge osteotomy, need not far-end positioning needle 4 location, location adjustment guide rail 8 and far-end locating sleeve 1 can be pulled down during use, directly adopt osteotomy end sleeve pipe 11, osteotomy end positioning needle 15, osteotomy drill bit 16, osteotomy end positioning needle handle 21 and drive motors 26 can finish osteotomy, identical during the bone-culting operation of operational approach and the foregoing description one.
Embodiment five, and referring to shown in Figure 7, described osteotomy end sleeve pipe 11 sides are connected with an edge positioning baffle 19 side by side, and the length of edge positioning baffle 19 is longer than osteotomy end positioning needle 15 and osteotomy drill bit 16.When the edge of art bone holes, can adopt the osteotomy end sleeve pipe of belt edge positioning baffle 19.One side vertically is connected with the edge positioning baffle 19 that length is 10~15mm in osteotomy end sleeve pipe 11 bottoms.

Claims (10)

1. multifunctional assembled osteotomy device, comprise osteotomy drill bit (16) and driving mechanism thereof, it is characterized in that: described osteotomy drill bit (16) is put side by side with an osteotomy end positioning needle (15), and be inserted in the osteotomy end sleeve pipe (11) down side by side at the tip, the top of described osteotomy end sleeve pipe (11) is socketed with the limiting plate (22) that a level stretches to both sides, osteotomy end sleeve pipe (11) vertically and show at least two ducts, osteotomy end positioning needle (15) and osteotomy drill bit (16) are inserted in respectively in the duct of osteotomy end sleeve pipe (11), and osteotomy end positioning needle (15) top is connected with osteotomy end positioning needle handle (21).
2. multifunctional assembled osteotomy device according to claim 1, it is characterized in that: described osteotomy end sleeve pipe (11) side is connected with an edge positioning baffle (19) side by side, and the length of edge positioning baffle (19) is longer than osteotomy end positioning needle (15) and osteotomy drill bit (16).
3. multifunctional assembled osteotomy device according to claim 1 and 2, it is characterized in that: guide rail (8) is also adjusted in location of socket in described osteotomy end sleeve pipe (11) upper end, it is strip that guide rail (8) is adjusted in described location, the edge was long to having one positioning needle chute (20) in the middle of guide rail (8) was adjusted in the location, have the location along positioning needle chute (20) and adjust guide rail graduated scale (9), the end that guide rail (8) is adjusted in the location has the location trepanning (10) that is used for socket osteotomy end sleeve pipe (11), described location trepanning (10) periphery has angle adjustment scale (18), the other end that guide rail (8) is adjusted in described location also slidely connects far-end locating sleeve (1), and far-end positioning needle (4) is installed in the described far-end locating sleeve.
4. multifunctional assembled osteotomy device according to claim 3, it is characterized in that: described far-end locating sleeve (1) is formed by connecting up and down by short sleeve and long tube two parts, short sleeve laterally has and is used for inserting the rectangular through-hole (3) that guide rail (8) is adjusted in the location together, short sleeve is fixedlyed connected with positioning sleeve set bolt (2) by the screw thread of its inwall, positioning sleeve set bolt (2) bottom surface offsets with location adjustment guide rail (8) upper surface and compresses, positioning sleeve set bolt (2) center has positioning needle perforation (7), positioning needle chute (20) rear lower that far-end positioning needle (4) is passed down through on positioning needle perforation (7) and the location adjustment guide rail (8) passes from the long tube of far-end locating sleeve (1), and far-end positioning needle (4) top is connected with far-end positioning needle handle (5).
5. multifunctional assembled osteotomy device according to claim 3 is characterized in that: the diameter of described osteotomy drill bit (16) is 1.0~4.0mm.
6. multifunctional assembled osteotomy device according to claim 3 is characterized in that: described osteotomy drill bit (16) top exceeds and is partly with drill bit graduated scale (18) more than the osteotomy end sleeve pipe (11), and the length of drill bit graduated scale is 10mm~100mm.
7. multifunctional assembled osteotomy device according to claim 3 is characterized in that: the aperture of described positioning needle perforation (7), osteotomy end positioning needle perforation (13), osteotomy bit bore (14) is identical, and the aperture is 1.1~4.1mm.
8. multifunctional assembled osteotomy device according to claim 3 is characterized in that: the diameter of described osteotomy end positioning needle (15) is 1.0~4.0mm.
9. multifunctional assembled osteotomy device according to claim 3 is characterized in that: the length that guide rail graduated scale (9) is adjusted in described location is 5mm~150mm.
10. multifunctional assembled osteotomy device according to claim 3 is characterized in that: described limiting plate (22) end has angle orientation reference opening (23).
CN201010529609XA 2010-11-03 2010-11-03 Combined multifunctional osteotomy device Active CN101953705B (en)

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Publication number Priority date Publication date Assignee Title
CN102860860A (en) * 2012-10-17 2013-01-09 夏和桃 Longitudinal minimal-invasion bone cutter for tubular bones
CN103522182A (en) * 2013-10-10 2014-01-22 长兴柏成电子有限公司 Magnetic ring grinding tool
CN103750907A (en) * 2014-01-23 2014-04-30 吉林大学 Precise locator for genioplasty
CN104095683A (en) * 2014-06-30 2014-10-15 苏州瑞华医院有限公司 Bone cutting scale
CN104665934A (en) * 2015-02-05 2015-06-03 中国人民解放军第四军医大学 Locating tool for children femur osteotomy
CN106109021A (en) * 2016-08-31 2016-11-16 复旦大学附属华山医院 Scalable arc frons pattern guide plate
CN107184260A (en) * 2017-07-07 2017-09-22 遵义医学院附属医院 A kind of long bone osteotomy device
CN109965958A (en) * 2019-04-14 2019-07-05 浙江工业大学 A kind of step-less adjustment is threaded a needle fixture
CN110164277A (en) * 2019-06-21 2019-08-23 赵华国 A kind of orthopedic percutaneous navigation device of distal humerus osteotomy and its operating method

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CN101249014A (en) * 2008-04-01 2008-08-27 俞良钢 Variable lower jaw angle locating bone cutting device
CN201831939U (en) * 2010-11-03 2011-05-18 北京骨外固定技术研究所 Combined multifunctional osteotomy device

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Publication number Priority date Publication date Assignee Title
CN102860860A (en) * 2012-10-17 2013-01-09 夏和桃 Longitudinal minimal-invasion bone cutter for tubular bones
CN103522182A (en) * 2013-10-10 2014-01-22 长兴柏成电子有限公司 Magnetic ring grinding tool
CN103522182B (en) * 2013-10-10 2016-10-05 长兴柏成电子有限公司 A kind of magnet ring grinding fixture
CN103750907B (en) * 2014-01-23 2015-09-02 吉林大学 Chin shaping precise localizer
CN103750907A (en) * 2014-01-23 2014-04-30 吉林大学 Precise locator for genioplasty
CN104095683A (en) * 2014-06-30 2014-10-15 苏州瑞华医院有限公司 Bone cutting scale
CN104665934A (en) * 2015-02-05 2015-06-03 中国人民解放军第四军医大学 Locating tool for children femur osteotomy
CN104665934B (en) * 2015-02-05 2017-08-25 中国人民解放军第四军医大学 A kind of children femoral Subtrochanteric osteotomy positioning instrument
CN106109021A (en) * 2016-08-31 2016-11-16 复旦大学附属华山医院 Scalable arc frons pattern guide plate
CN106109021B (en) * 2016-08-31 2022-06-24 复旦大学附属华山医院 Adjustable arc forehead portion mode baffle
CN107184260A (en) * 2017-07-07 2017-09-22 遵义医学院附属医院 A kind of long bone osteotomy device
CN109965958A (en) * 2019-04-14 2019-07-05 浙江工业大学 A kind of step-less adjustment is threaded a needle fixture
CN110164277A (en) * 2019-06-21 2019-08-23 赵华国 A kind of orthopedic percutaneous navigation device of distal humerus osteotomy and its operating method

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