CN104207831B - Minimally invasive conformal repositor for repositing and fixing bone blocks around joints - Google Patents
Minimally invasive conformal repositor for repositing and fixing bone blocks around joints Download PDFInfo
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- CN104207831B CN104207831B CN201410489322.7A CN201410489322A CN104207831B CN 104207831 B CN104207831 B CN 104207831B CN 201410489322 A CN201410489322 A CN 201410489322A CN 104207831 B CN104207831 B CN 104207831B
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- push rod
- circular arc
- plate face
- arc plate
- reset head
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention relates to a minimally invasive conformal repositor for repositing and fixing bone blocks around joints, which belongs to the technical field of orthopedic surgical instruments, and is used for minimally invasive repositing the bone blocks around the joints. The minimally invasive conformal repositor for repositing and fixing the bone blocks around the joints is characterized in that the minimally invasive conformal repositor is formed by a push rod and a repositing head, wherein the repositing head is of a circular arc board structure or a circular arc clamp structure; the front end of the push rod and the rear end of the repositing head with the circular arc board structure are of a fixed connection structure or a rotary shaft connection structure; the front end of the push rod and the rear end of the repositing head with the circular arc clamp structure are of a fixed connection structure. The minimally invasive conformal repositor is simple in structure and convenient to use, can be used for thrusting dislocated bone blocks in a narrow area so as to accurately reposit and temporarily fix the dislocated bone blocks, realizes the effect of minimally invasive repositing surgery carried out on the bone blocks around the joints, appears for the first time in the field of minimally invasive orthopedic surgery, and can achieve the aims of improving the quality of orthopedic surgery for repositing the bone blocks around the joints, avoiding the influence on wound blood feeding, reducing postoperative recovery time, and reducing the pain of patients.
Description
Technical field
The present invention relates to a kind of Wicresoft's reset utensil adopted in the operation of bone block reset periarticular bone block, belong to bone surgery utensil technical field.
Background technology
At the outer damaging the spleen and stomach of bone block, tibia back ankle fracture, fracture of head of radius, Fracture of the distal ulna and radius etc. are clinical common injury.Due to the tractive of surrounding tissue such as attachment ligament, tendon etc. after fracture, sclerite is often shifted, and meanwhile, due to impacts such as the extruding of surrounding structure, tractives after fracture, sclerite also can be shifted.After being shifted, need to carry out operative reduction, but due to the restriction of anatomical position, anatomical reduction sclerite has suitable difficulty.
Such as, after tibia back ankle fracture, due to heel string tractive calcaneus rearwardly and upwardly, back ankle fracture block may be pushed be shifted rearwardly and upwardly, because rear ankle position exists deeply, its rear has the soft tissues such as heel string to hold, and is difficult to reach anatomical reduction sclerite by general manual reduction.Even if under operating room C-arm or G arm perspective are assisted, because around sclerotin blocks, be also difficult to realize by the limited Wicresoft's replacement and fixation back ankle fracture block that appears.
In addition, after sclerite resets, need its position temporary fixed, then pedicle screw or blade plate screw carry out definitiveness and fix, when using Kirschner wire, reduction forceps etc. temporary fixed, operation also likely causes sclerite to be shifted.
Identical with tibia back ankle fracture, fracture in the fracture around joint such as fracture of head of radius, radioulnaris distalis or partial joint and there are the problems referred to above equally.
Therefore, in order to realize anatomical reduction fracture well, Hospitals at Present generally takes the method for extensively cutting, and to appear sclerite, then carries out resetting and fixing.But take this method wound large, can cause producing interference to the blood transport of local, affect union of fracture, not only add the misery of patient, also extend the time for the treatment of and rehabilitation.
Along with the progress of medical skill, Minimally Invasive Surgery obtains develop rapidly, is breast abdomen surgery or orthopaedics have employed Minimally Invasive Surgery all in large quantities.The advantages such as Minimally Invasive Surgery is little with wound, good operation effect, operating time are short, wound recovers soon, patient suffering is little are subject to the welcome of medical worker and patient, are widely applied.At present, Minimally Invasive Surgery or blank is adopted in the reset periarticular bone block operation of orthopaedics, its reason is do not have corresponding surgical instrument, be difficult to pass the bone block of displacement in narrow and small region, the bone block parking position accuracy of displacement cannot be made and temporary fixed, this problem is not resolved so far, becomes the restraining factors of carrying out Minimally Invasive Surgery in the operation of reset periarticular bone block.In order to the misery improving surgical quality, reduce the postoperative recovery time, reduce patient, be necessary to design a kind of special instrument, the operation of orthopaedics reset periarticular bone block carried out to the trial of Wicresoft's reattachment surgery.
Summary of the invention
Technical problem to be solved by this invention is to provide the also fixing conformal positor of Wicresoft of a kind of periarticular bone block that resets, the conformal positor of this Wicresoft can passed the bone block of displacement in narrow and small region, make the bone block parking position accuracy of displacement and temporary fixed, to reach the object improving surgical quality, reduce the postoperative recovery time, reduce patient suffering.
The technical scheme solved the problems of the technologies described above is:
The conformal positor of Wicresoft that a kind of periarticular bone block that resets is also fixing, it is by push rod, reset head forms, push rod is stock, reset head is arranged on the front end of push rod, reset head is circular arc plate face structure or circular arc clamp structure, circular arc plate face or circular arc clamp and sclerite rear portion conformal, the rear end of the front end of push rod and the reset head of circular arc plate face structure is fixed connection structure or rotating shaft connecting structure, front end and the rear end in circular arc plate face of the push rod of rotating shaft connecting structure are that rotating shaft is connected, push rod has along push rod shaft to groove, the push rod that can move forward and backward is installed in groove, the front end of push rod is relative with the rear end in circular arc plate face, the rear end of the front end of push rod and the reset head of circular arc clamp structure is fixed connection structure.
Above-mentioned reset periarticular bone block the fixing conformal positor of Wicresoft, have downward bending in the middle of the stock of described push rod, and the front portion of push rod is lower than the rear portion of push rod, and the front portion of push rod or horizontal direction parallel with the rear portion of push rod has the angle of 5-30 degree.
The conformal positor of Wicresoft that above-mentioned reset periarticular bone block is also fixing, the lower surface in the circular arc plate face of described circular arc plate face structure reset head is the arc surface raised up, the dissection radian on the radian of arc surface and the surface of displacement bone block matches, there is semicircular indentations the front end in the circular arc plate face of reset head, the arc surface of the lower surface in the circular arc plate face of reset head there is multiple downward sharp protrusion, multiple sharp protrusion is uniform on the arc surface of the lower surface in reset head circular arc plate face, and the tip of sharp protrusion obliquely downward.
The conformal positor of Wicresoft that above-mentioned reset periarticular bone block is also fixing, the circular arc clamp of described circular arc clamp structure reset head is made up of the clamp of both sides and the cross bar of centre, two side bitting clamps are the arc claw beam stretched out forward, the rear end of two side bitting clamps is connected with cross bar, and cross bar center is connected with the front end of push rod.
The conformal positor of Wicresoft that above-mentioned reset periarticular bone block is also fixing, the clamp of the both sides of the reset head of described circular arc clamp structure is connected for being fixedly connected with or movably stretching with middle cross bar, the push rod of the moveable flexible structure connected is sleeve, the front end of push rod housing connects horizontal short sleeve, cross bar is divided into left and right two parts to be set in short sleeve, the outer end of both sides cross bar is connected with the clamp of both sides respectively, the inner of both sides cross bar connects tooth bar respectively, push rod housing inner sleeve dress adjusting lever, gear is installed in the front end of adjusting lever, the both sides up and down of gear are meshed with the tooth bar of cross bar the inner, both sides respectively, the rear end of adjusting lever is positioned at the outer back end of push rod housing.
The invention has the beneficial effects as follows:
The present invention can stretch into fracture from mini-incision, the sclerite that the downward pushing and withstanding of reset head is shifted rearwardly and upwardly, the sharp protrusion of circular arc plate face reset head lower surface firmly can hold when pushing and withstanding sclerite, prevent slippage, and can be temporary fixed after sclerite anatomical reduction, without the need to changing reduction forceps; There is semicircular indentations reset head front end, circular arc plate face, for less sclerite, directly can pierce guide pin through this position, be screwed into hollow screw and fix, for larger sclerite, can hold temporary fixed at this place implantation Kirschner wire or reduction forceps, change blade plate screw fracture again, ensure not to be shifted in operative process; The clamp of the both sides of circular arc clamp reset head can transverse shifting, and width between adjustment clamp, enables clamp can firmly hold the sclerite of different size, can not occur to throw off or rotate in passing process.
Structure of the present invention is simple, easy to use, can pass the bone block of displacement in narrow and small region, make the bone block parking position accuracy of displacement and temporary fixed, solve the problem that Wicresoft's reattachment surgery is carried out in the operation of orthopaedics reset periarticular bone block, fill up a blank of orthopaedics Minimally Invasive Surgery, the object improving orthopaedics reset periarticular bone block surgical quality, avoid the impact on wound blood transport, reduce the postoperative recovery time, reduce patient suffering can have been reached.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is another kind of structural representation of the present invention; ;
Fig. 4 is the top view of Fig. 3
Fig. 5 is the third structural representation of the present invention;
Fig. 6 is the 4th kind of structural representation of the present invention;
Fig. 7 is the 5th kind of structural representation of the present invention.
In figure, labelling is as follows: push rod 1, reset head 2, semicircular indentations 3, sharp protrusion 4, rotating shaft 5, groove 6, push rod 7, positioning round orifice 8, gap 9, clamp 10, cross bar 11, adjusting lever 12, short sleeve 13, gear 14, tooth bar 15, fluting 16, pull bar 17, dowel hole 18.
Detailed description of the invention
The present invention is made up of push rod 1, reset head 2.
Show in figure, push rod 1 is stock, and push rod 1 can be straight-bar, also can be the stock having certain flexibility.Have downward bending in the middle of the stock of bending push rod 1, the front portion of push rod 1 is lower than the rear portion of push rod 1, and the front portion of push rod 1 or horizontal direction parallel with rear portion has the angle of 5-30 degree, has the push rod 1 of flexibility that front end can be made to be inserted into more easily in wound.
Show in figure, reset head 2 is arranged on the front end of push rod 1, reset head 2 is circular arc plate face structure or circular arc clamp structure, circular arc plate face or circular arc clamp and sclerite rear portion conformal, the rear end of the front end of push rod 1 and the reset head 2 of circular arc plate face structure is fixed connection structure or rotating shaft connecting structure, and the rear end of the front end of push rod 1 and the reset head 2 of circular arc clamp structure is fixed connection structure.
Show in Fig. 1,2, the rear end of the front end of push rod 1 and the reset head 2 of circular arc plate face structure is fixed connection structure.The lower surface in circular arc plate face is the arc surface raised up, and the dissection radian on the radian of arc surface and the surface of displacement bone block matches, and is conducive to circular arc plate face and blocks displacement bone block better.For tibia back ankle fracture, at the displacement bone block of the different parts such as fracture of head of radius, Fracture of the distal ulna and radius, the shape in circular arc plate face and displacement bone block conformal, can make multiple circular arc plate face to adapt to different patients.
Show in Fig. 3,4, the rear end of the front end of push rod 1 and the reset head 2 of circular arc plate face structure is rotating shaft connecting structure.Push rod 1 has the groove 6 along push rod 1 axis, be provided with the push rod 7 that can move forward and backward in groove 6, the front end of push rod 7 is relative with circular arc plate surface rear end.This connected mode unclamps push rod 7 in use backward, circular arc plate face can be rotated, so that better to the bone block of forward oblique rear displacement, then transverse shifting push rod 1 front end, make circular arc plate face that bone block is turned to tram, push away before push rod 7, hold out against circular arc plate face, circular arc plate face can not be rotated, then promote push rod 1 and make bone block reset.
Groove 6 is dovetail groove, and the bottom width of dovetail groove is greater than width above, and the top-open of dovetail groove is along the upper surface of push rod 7, and cross section and the dovetail groove of push rod 7 match, and push rod 7 can not prolapse upwards after pushing groove 6.Groove 6 also can be the circular hole along push rod 1 axis, and push rod 7 is round bar, and push rod 7 is inserted into slide anteroposterior in circular hole, withstands on forward the rear end of reset head 2.
The back edge in circular arc plate face arranges multiple zigzag gap 9, and push rod 7 front end withstands on can not to two Slideslips on gap 9.
Show in figure, in above-mentioned two kinds of structures, there is semicircular indentations 3 front end in circular arc plate face, for less sclerite, directly can pierce guide pin through this position, be screwed into hollow screw and fix, for larger sclerite, Kirschner wire can be implanted at this place or reduction forceps holds temporary fixed, change blade plate screw fracture again, ensure not to be shifted in operative process.The circular arc plate face of reset head 2 also can arrange positioning round orifice 8, Kirschner wire can be implanted at positioning round orifice 8 place and carry out temporary fixed, ensure not to be shifted in operative process.
Show in figure, in above-mentioned two kinds of structures, the arc surface of the lower surface in circular arc plate face has multiple downward sharp protrusion 4, multiple sharp protrusion 4 is uniform on the arc surface of circular arc plate face lower surface, and the tip of sharp protrusion 4 obliquely downward.The effect of these sharp protrusion 4 firmly can hold when pushing and withstanding sclerite, prevents slippage, and can be temporary fixed after sclerite anatomical reduction, without the need to changing reduction forceps.
Fig. 5 shows, and the rear end of the front end of push rod 1 and the reset head 2 of circular arc clamp structure is fixed connection structure.Circular arc clamp is made up of the clamp 10 of both sides and the cross bar 11 of centre, and two side bitting clamps 10 are the arc claw beam stretched out forward, and the rear end of two side bitting clamps 10 is connected with cross bar 11, and cross bar 11 center is connected with the front end of push rod 1.Clamp 10 and cross bar 11 are distributed with sharp protrusion 4, the effect of these sharp protrusion 4 is identical with the effect of the sharp protrusion 4 of circular arc plate face lower surface, firmly can hold when pushing and withstanding sclerite, prevent slippage, and can be temporary fixed after sclerite anatomical reduction.
Fig. 6 shows, and the reset head 2 of circular arc clamp structure also has a kind of movable expanding syndeton except Fig. 5 fixed connection structure.This moveable flexible structure connected is: push rod 1 is sleeve, the front end of push rod 1 sleeve connects horizontal short sleeve 13, cross bar 11 is divided into left and right two parts to be set in short sleeve 13, the outer end of both sides cross bar 11 is connected with the clamp 10 of both sides respectively, the inner of both sides cross bar 11 connects tooth bar 15 respectively, push rod 1 inner sleeve dress adjusting lever 12, gear 14 is installed in the front end of adjusting lever 12, the both sides up and down of gear 14 are meshed with the tooth bar 15 of both sides cross bar 11 the inner respectively, and the rear end of adjusting lever 12 is positioned at the outer back end of push rod 1 sleeve.
During use, rotate adjusting lever 12, gear 14 rotates, upper and lower tooth bar 15 is driven to move respectively to both sides, make the cross bar 11 of cross bar both sides outwards or move inward, the width between the clamp 10 at cross bar 11 two ends can be adjusted, to adapt to the sclerite of different size, firmly can hold in passing process, can not occur to throw off or rotate.
Fig. 7 shows, the structure of the another kind of movable expanding of the reset head 2 of circular arc clamp structure is: push rod 1 is sleeve, cross bar 11 mid point is fixedly connected with the front end of push rod 1, a suit adjusting lever 12 in sleeve, the lower end of two side bitting clamps 10 is contained on cross bar 11 by casing pipe sleeve, fluting 16 is had in the both sides of push rod 1 sleeve, two pull bars 17 are each passed through both sides fluting 16, the two ends of pull bar 17 are connected by rotating shaft with the upper end of adjusting lever 12 and the sleeve pipe of clamp 10 lower end respectively, and adjusting lever 12 and push rod 1 sleeve have multiple dowel hole 18 along push rod 1 axis corresponding.
During use, driven forward or pull back adjusting lever 12, adjusting lever 12 drives pull bar 17 move forward or retreat, the clamp 10 that the other end of pull bar 17 can promote both sides along cross bar 11 outwards or move inward, adjust the width between two clamps 10, to adapt to the sclerite of different size, firmly can hold in passing process, can not occur to throw off or rotate.
This structure of clamp 10 width that can regulate also has other various ways, and as installed oval cam at cross bar mid point, rotating cam, two side bitting clamps along with the radius change of oval cam outwards or move inward to adjust the width between two clamps.These structures should be all protection scope of the present invention, repeat no more.
Using method of the present invention:
First the different reset head 2 having shape is selected according to different operative site, conformal to arrive with displacement bone block;
Then limit incision to appear tibia (radius, ulna and radius) rear portion cortex, implant positor, downwards the sclerite that is shifted rearwardly and upwardly of pushing and withstanding;
Temporary fixed after sclerite anatomical reduction, without the need to changing reduction forceps;
For less sclerite, directly can pierce guide pin through semicircular indentations 3 position, reset head 2 front end, be screwed into hollow screw and fix; For larger sclerite, can hold temporary fixed at this place implantation Kirschner wire or reduction forceps, then change blade plate screw fracture, ensure not to be shifted in operative process.
Claims (2)
1. the conformal positor of Wicresoft that the periarticular bone block that resets is also fixing, it is characterized in that: it is by push rod (1), reset head (2) forms, push rod (1) is stock, reset head (2) is arranged on the front end of push rod (1), reset head (2) is circular arc plate face structure or circular arc clamp structure, circular arc plate face or circular arc clamp and sclerite rear portion conformal, the rear end of the front end of push rod (1) and the reset head (2) of circular arc plate face structure is fixed connection structure or rotating shaft connecting structure, front end and the rear end in circular arc plate face of the push rod (1) of rotating shaft connecting structure are that rotating shaft is connected, push rod (1) have along the axial groove (6) of push rod (1), the push rod (7) that can move forward and backward is installed in groove (6), the front end of push rod (7) is relative with the rear end in circular arc plate face, the rear end of the front end of push rod (1) and the reset head (2) of circular arc clamp structure is fixed connection structure,
Have downward bending in the middle of the stock of described push rod (1), the front portion of push rod (1) is lower than the rear portion of push rod (1), and the front portion of push rod (1) or horizontal direction parallel with the rear portion of push rod (1) has the angle of 5-30 degree;
The lower surface in the circular arc plate face of the reset head (2) of described circular arc plate face structure is the arc surface raised up, the dissection radian on the radian of arc surface and the surface of displacement bone block matches, there is semicircular indentations (3) front end in the circular arc plate face of reset head (2), the arc surface of the circular arc plate face lower surface of reset head (2) there is multiple downward sharp protrusion (4), multiple sharp protrusion (4) is uniform on the arc surface of the circular arc plate face lower surface of reset head (2), and the tip of sharp protrusion (4) obliquely downward.
2. the conformal positor of Wicresoft that the periarticular bone block that resets is also fixing, it is characterized in that: it is by push rod (1), reset head (2) forms, push rod (1) is stock, reset head (2) is arranged on the front end of push rod (1), reset head (2) is circular arc plate face structure or circular arc clamp structure, circular arc plate face or circular arc clamp and sclerite rear portion conformal, the rear end of the front end of push rod (1) and the reset head (2) of circular arc plate face structure is fixed connection structure or rotating shaft connecting structure, front end and the rear end in circular arc plate face of the push rod (1) of rotating shaft connecting structure are that rotating shaft is connected, push rod (1) have along the axial groove (6) of push rod (1), the push rod (7) that can move forward and backward is installed in groove (6), the front end of push rod (7) is relative with the rear end in circular arc plate face, the rear end of the front end of push rod (1) and the reset head (2) of circular arc clamp structure is fixed connection structure,
Have downward bending in the middle of the stock of described push rod (1), the front portion of push rod (1) is lower than the rear portion of push rod (1), and the front portion of push rod (1) or horizontal direction parallel with the rear portion of push rod (1) has the angle of 5-30 degree;
The circular arc clamp of the reset head (2) of described circular arc clamp structure is made up of the clamp (10) of both sides and the cross bar (11) of centre, two side bitting clamps (10) are the arc claw beam stretched out forward, the rear end of two side bitting clamps (10) is connected with cross bar (11), and cross bar (11) center is connected with the front end of push rod (1);
The clamp (10) of the both sides of the reset head (2) of described circular arc clamp structure is connected for being fixedly connected with or movably stretching with middle cross bar (11), the push rod (1) of the moveable flexible structure connected is sleeve, the front end of push rod (1) sleeve connects horizontal short sleeve (13), cross bar (11) is divided into left and right two parts to be set in short sleeve (13), the outer end of both sides cross bar (11) is connected with the clamp (10) of both sides respectively, the inner of both sides cross bar (11) connects tooth bar (15) respectively, push rod (1) sleeve inner sleeve dress adjusting lever (12), gear (14) is installed in the front end of adjusting lever (12), the tooth bar (15) that the both sides up and down of gear (14) are inner with both sides cross bar (11) is respectively meshed, the rear end of adjusting lever (12) is positioned at the outer back end of push rod (1) sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410489322.7A CN104207831B (en) | 2014-09-23 | 2014-09-23 | Minimally invasive conformal repositor for repositing and fixing bone blocks around joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410489322.7A CN104207831B (en) | 2014-09-23 | 2014-09-23 | Minimally invasive conformal repositor for repositing and fixing bone blocks around joints |
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| Publication Number | Publication Date |
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| CN104207831A CN104207831A (en) | 2014-12-17 |
| CN104207831B true CN104207831B (en) | 2015-05-20 |
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| CN201410489322.7A Active CN104207831B (en) | 2014-09-23 | 2014-09-23 | Minimally invasive conformal repositor for repositing and fixing bone blocks around joints |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105748138B (en) * | 2014-12-26 | 2019-09-27 | 林仲可 | Articulatio atlantoepistrophica anterior dislocation reduction fixture device |
| CN105105802A (en) * | 2015-09-21 | 2015-12-02 | 徐亚东 | Surgical operation retractor |
| CN106725819B (en) * | 2017-01-13 | 2023-08-08 | 中南大学湘雅三医院 | Temporary fracture area fixing system and fixing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999923A (en) * | 2010-11-11 | 2011-04-06 | 上虞市中医院 | End plate leverage restorer for thoracic-lumbar vertebra reposition enchevillement bone-graft operation |
| CN102727279A (en) * | 2012-07-16 | 2012-10-17 | 徐永清 | Auxiliary device for positioning and drilling of scaphoid fixator |
| CN103930060A (en) * | 2011-09-02 | 2014-07-16 | 柯尼希塞植入物有限公司 | Device for fixing a bone fractured in the femoral neck region |
| CN203802551U (en) * | 2014-04-09 | 2014-09-03 | 江苏澳格姆生物科技有限公司 | Detachable gun-type fracture repositor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204133580U (en) * | 2014-09-23 | 2015-02-04 | 张英泽 | The conformal positor of Wicresoft that a kind of periarticular bone block that resets is also fixing |
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2014
- 2014-09-23 CN CN201410489322.7A patent/CN104207831B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101999923A (en) * | 2010-11-11 | 2011-04-06 | 上虞市中医院 | End plate leverage restorer for thoracic-lumbar vertebra reposition enchevillement bone-graft operation |
| CN103930060A (en) * | 2011-09-02 | 2014-07-16 | 柯尼希塞植入物有限公司 | Device for fixing a bone fractured in the femoral neck region |
| CN102727279A (en) * | 2012-07-16 | 2012-10-17 | 徐永清 | Auxiliary device for positioning and drilling of scaphoid fixator |
| CN203802551U (en) * | 2014-04-09 | 2014-09-03 | 江苏澳格姆生物科技有限公司 | Detachable gun-type fracture repositor |
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