CN107137134B - Combined fracture repositor - Google Patents
Combined fracture repositor Download PDFInfo
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- CN107137134B CN107137134B CN201710354846.9A CN201710354846A CN107137134B CN 107137134 B CN107137134 B CN 107137134B CN 201710354846 A CN201710354846 A CN 201710354846A CN 107137134 B CN107137134 B CN 107137134B
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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
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6441—Bilateral fixators, i.e. with both ends of pins or wires clamped
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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
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/64—Devices extending alongside the bones to be positioned
- A61B17/6458—Devices extending alongside the bones to be positioned with pin-clamps fixed at ends of connecting element
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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
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Surgical Instruments (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to the technical field of fracture repositors, in particular to a combined fracture repositor, wherein a forward-rotating screw rod is in threaded connection with a left inner cavity of a screw cap, a backward-rotating screw rod is in threaded connection with a right inner cavity of the screw cap, a compression rod is inserted into a second through hole, the upper end and the lower end of a first pressing block are both connected with a convex block, a third straight rod is connected to one side, away from the second through hole, of the convex block, and the first pressing block and the second pressing block are located on two sides of a Kirschner wire. The combined fracture repositor can be assembled and disassembled at will according to the requirements. The reduction of the fracture can be facilitated by carrying out different assembling and disassembling according to the requirements, the reduction device can be applied to reduction of the fracture around long bones and joints of four limbs, and the reduction of the long bones in a linear mode and the reduction of the fracture around the joints in a right-angle mode can be realized by combining different components; simple and easy to operate without special training. The parts are simple in design and easy to use, and do not need special training; low cost and is suitable for primary hospitals.
Description
Technical Field
The invention relates to the technical field of fracture reductors, in particular to a combined fracture reductor.
Background
In the prior art, the fracture fixation and reduction device is generally divided into two types, one type is internal fixation, the other type is external fixation, a steel plate, an intramedullary needle and the like are internally fixed, the steel plate internal fixation has large damage to soft tissues, two operations are needed, the pain of a patient is great, the intramedullary needle fixation damages the blood circulation of the intramedullary cavity, the anti-rotation and anti-bending forces are poor, the fracture reduction and healing are not favorable, the external fixation comprises splint fixation, plaster fixation, threading needle external fixation and the like, the splint fixation is not firm enough, the bundling is troublesome, the management is difficult, the soft tissue blood circulation is influenced, the caused complications are more, the plaster fixation is not firm, the movement of adjacent joints is influenced, the threading needle is externally fixed with a single-arm type fixation, a ring type fixation and the like, the single-arm type fixation has poor axial action resistance, the ring type fixation is firm, the volume is large, the operation is difficult, the weight is not favorable for the rest of the patient, if the patent number is 87210403.6, the device mainly comprises a needle holding adjusting frame, a needle seat, a needle clamp, an angle adjusting arm, a resetting device, the processing cost is high, and the device basically overcomes the defects of the single-arm type fixator, and the resetting device still has the following problems of high processing precision; can only be used on long bones and can not be disassembled and assembled at will according to the state of illness, and the use of special parts is limited to a certain extent; the operation is complicated, the control is not easy, and professional training needs to be carried out on doctors; the volume is large and heavy, which affects the rest of the patient. For another example, patent application publication No. CN101847182a, the name of the invention is a fracture reduction robot structure disclosed in the patent application of a long bone virtual and real reduction registration method based on a six-degree-of-freedom parallel mechanism, the structure adopts six controllable electric push-pull rods, and uses a traditional rigid universal joint to connect the controllable electric push-pull rods and upper and lower rings, when orthopedic reduction is performed, if two ends of a fracture are staggered, the rigid universal joint easily causes excessive stress at the fracture part to cause secondary damage, increase pain of a patient, delay fracture healing, and even possibly cause damage to the universal joint or the electric push-pull rod, which affects smooth operation.
Disclosure of Invention
The present invention is directed to a combined fracture reduction device to solve the above problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a combined fracture repositor comprises nuts and second straight rods, wherein the number of the nuts is four, the nuts are distributed in a matrix manner, a forward screw rod is connected to the left inner cavity of each nut in a threaded manner, a reverse screw rod is connected to the right inner cavity of each nut in a threaded manner, a first groove is formed in one end, opposite to the forward screw rod and the reverse screw rod, of each forward screw rod, a first straight rod is inserted into the first groove, the other end of each first straight rod is connected with a steering ball, each steering ball is connected with an arc-shaped chute in a sliding manner, a brake cap is sleeved at one end, close to the steering ball, of each first straight rod, the other end, close to the steering ball, of each brake cap is connected with a brake ring, the other end, far away from the first straight rods, of each arc-shaped chute is connected with the side wall of each rotating rod, first jacking protrusions are connected to the middles of the two ends of the rotating rods, a second groove is formed in one end of each second straight rod, the other ends of the second straight rods are connected with second jacking protrusions, the first jacking protrusions are clamped in the second grooves, and two adjacent second straight rods are connected with each other through a right-angle connecting rod;
the one end that the arc spout was kept away from to the dwang is connected with the connecting plate, a plurality of first through-holes have been seted up to the connecting plate, two corresponding on two relative connecting plates first through-hole is pegged graft and is had the kirschner wire, the one end lateral wall that the dwang was kept away from to the connecting plate has seted up the second through-hole corresponding with first through-hole, and the second through-hole is linked together with first through-hole, the one end that is close to the second through-hole in the first through-hole is equipped with first briquetting, and the spout has been seted up to first briquetting near the one end of second through-hole, it has the compression bar to peg graft in the second through-hole, the one end of compression bar is located the outside of connecting plate, the other end of compression bar passes in the second through-hole reachs first through-hole with spout sliding connection, the upper and lower both ends of first briquetting all are connected with the lug, one side that the lug was kept away from the second through-hole is connected with the third straight-bar, the other end of third straight-bar articulates there is articulated bar, the middle part of articulated bar rotates and is connected with the dead lever installed on the first through-hole lateral wall, the other end of articulated bar articulates there is articulated bar has the depression bar, two the other ends of depression bar is connected with the second briquetting, the second briquetting is located the both sides of kirschner wire.
Preferably, the opposite ends of the forward screw and the backward screw are connected with elastic gaskets.
Preferably, the brake cap is sleeved with the side wall of the arc-shaped sliding groove in a threaded manner.
Preferably, one end of the brake ring, which is close to the steering ball, is of an arc-shaped structure, and a first anti-skidding line is arranged in the arc.
Preferably, the two ends of the right-angle connecting rod are provided with third grooves corresponding to the second jacking protrusions, and the second jacking protrusions are fixedly connected with the right-angle connecting rod through positioning pins.
Preferably, the number of the first through holes is more than two, and the first through holes are arranged at equal intervals.
Preferably, the pressing rod is in threaded insertion connection with the second through hole.
Preferably, the ends, close to the kirschner wire, of the first pressing block and the second pressing block are both arc-shaped structures, and second anti-skidding lines are arranged on the surfaces of the arcs.
Compared with the prior art, the invention has the beneficial effects that: the combined fracture repositor can be assembled and disassembled at will according to the requirements. The fracture reduction device is composed of a nut, a forward-rotation screw rod, a backward-rotation screw rod, an arc-shaped chute, a rotating rod, a second straight rod and a right-angle connecting rod, and a Kirschner wire, can be assembled and disassembled differently according to needs, is convenient for fracture reduction, can be applied to fracture reduction around long bones and joints of four limbs, and can realize long bone straight-line mode reduction and fracture right-angle mode reduction around joints through combination of different components; the accurate resetting can be carried out by utilizing the characteristics of geometric shapes through the fixation of the vertical cross Kirschner wire and the application of a square design by utilizing the standard reference. Simple and easy operation without special training. The parts are simple in design and easy to use, and do not need special training; low cost and is suitable for primary hospitals.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is an enlarged view of part A of the present invention;
FIG. 6 is an enlarged view of the part B of the present invention;
FIG. 7 is a schematic view of the right angle connecting rod of the present invention.
In the figure: the device comprises a nut 1, a forward-rotation screw 2, a reverse-rotation screw 3, a first groove 4, a first straight rod 5, an arc-shaped sliding groove 6, a brake cap 7, an elastic gasket 8, a brake ring 9, a rotating rod 10, a first top protrusion 11, a second groove 12, a second straight rod 13, a second top protrusion 14, a right-angle connecting rod 15, a connecting plate 16, a kirschner wire 17, a first through hole 18, a second through hole 19, a pressing rod 20, a first pressing block 21, a sliding groove 22, a convex block 23, a third straight rod 24, a hinge rod 25, a fixing rod 26, a pressing rod 27 and a second pressing block 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
the utility model provides a modular fracture restorer, including nut 1 and second straight-bar 13, the quantity of nut 1 is four, and be matrix distribution, the left side inner chamber threaded connection of nut 1 has positive screw rod 2, the right side inner chamber threaded connection of nut 1 has derotation screw rod 3, elastic gasket 8 is all connected to positive screw rod 2 and the opposite one end of derotation screw rod 3, play the guard action, first recess 4 has been seted up to positive screw rod 2 and the opposite one end of derotation screw rod 3, it has first straight-bar 5 to peg graft in the first recess 4, the other end of first straight-bar 5 is connected with and turns to the ball, it has arc spout 6 to turn to ball sliding connection, first straight-bar 5 has cup jointed brake cap 7 near the one end that turns to the ball, the other end of brake cap 7 cup joints with the lateral wall of arc spout 6, brake cap 7 cup joints for the screw thread with the lateral wall of arc spout 6 and cup joints, firm in connection, convenient operation, the one end that the inner wall of brake cap 7 is close to the ball is connected with brake collar 9, the one end that turns to the ball is close to the round arc structure that turns to the laminating is close to the ball is close to, the round arc structure, it is circular arc to be equipped with first anti-sliding line, and turn to the laminating, and turn to the circular arc, make the fixed line that turns to turn to be more stable.
The other end that first straight-bar 5 was kept away from to arc spout 6 is connected with the lateral wall of dwang 10, the both ends middle part of dwang 10 all is connected with first top suddenly 11, second recess 12 has been seted up to the one end of second straight-bar 13, the other end of second straight-bar 13 is connected with second top suddenly 14, first top suddenly 11 joint is in second recess 12, two adjacent second straight-bars 13 pass through right angle connecting rod 15 interconnect, the third recess corresponding with second top suddenly 14 has all been seted up at the both ends of right angle connecting rod 15, it is fixed to conveniently connect.
One end of the rotating rod 10 far away from the arc-shaped sliding groove 6 is connected with a connecting plate 16, the connecting plate 16 is provided with a plurality of first through holes 18, the number of the first through holes 18 is more than two, the first through holes 18 are arranged at equal intervals, two corresponding first through holes 18 on two opposite connecting plates 16 are inserted with kirschner pins 17, the side wall of one end of the connecting plate 16 far away from the rotating rod 10 is provided with a second through hole 19 corresponding to the first through hole 18, the second through hole 19 is communicated with the first through hole 18, one end of the first through hole 18 close to the second through hole 19 is provided with a first pressing block 21, one end of the first pressing block 21 close to the second through hole 19 is provided with a sliding groove 22, a pressing rod 20 is inserted in the second through hole 19, the pressing rod 20 is in threaded insertion with the second through hole 19, the operation is convenient and the fixation is convenient, the one end of compress tightly pole 20 is located the outside of connecting plate 16, the other end of compress tightly pole 20 passes second through-hole 19 and arrives in the first through-hole 18 with spout 22 sliding connection, the upper and lower both ends of first briquetting 21 all are connected with lug 23, one side that second through-hole 19 was kept away from to lug 23 is connected with third straight-bar 24, the other end of third straight-bar 24 articulates there is hinge bar 25, the middle part of hinge bar 25 rotates and is connected with the dead lever 26 of installing on first through-hole 18 lateral wall, the other end of hinge bar 25 articulates there is depression bar 27, the other end of two depression bars 27 is connected with second briquetting 28, first briquetting 21 and second briquetting 28 are located the both sides of ke shi needle 17, first briquetting 21 and the one end that second briquetting 28 is close to ke shi needle 17 all are circular-arc structure, and the circular arc surface is equipped with second anti-skid.
The method for installing and fixing the fracture repositor comprises the following steps: 1. acquiring image information of bone tissues to be fixed, into which the kirschner wire 17 is inserted, by using medical CT or medical MRI; 2. processing the image information of the bone tissue to be fixed in the step one by adopting image processing software, and obtaining three-dimensional graphic information after the bone tissue to be fixed is reset; 3. according to the body part of the bone tissue to be fixed, the size of corresponding equipment is selected, a nut 1 is placed around the corresponding fracture part and is distributed in a rectangular shape, a forward screw 2 and a backward screw 3 are respectively inserted into two ends of the nut 1, a first straight rod 5, an arc-shaped chute 6, a rotating rod 10, a second straight rod 13 and a right-angle connecting rod 15 are sequentially assembled, the nut 1 is rotated, the fracture repositor is unfolded, the direction of the arc-shaped chute 6 is fixed by rotating a brake cap 7, a brake ring 9 limits the rotation of a steering ball, a Kirschner wire 17 is inserted into an epiphysis through a first through hole 18 and then a compression rod 20 is rotated, the Kirschner wire 17 is compressed by a first compression block 21, the Kirschner wire 17 is compressed by a third compression block 21 under the mutual cooperation of a hinge rod 24, a hinge rod 25, a fixed rod 26 and a compression rod 27, the second compression block 28 compresses the Kirschner wire 17, the rotating rod 21 and the second compression block 28 well fix the Kirschner wire 17, the combined fracture repositor wire can be freely assembled and disassembled according to different straight rod modes, the nut 1, the nut 2, the forward screw 3, the arc-shaped chute 3, the straight rod 6 and the straight rod 15 can be conveniently disassembled, the straight rod 15 and the straight rod 15 can be assembled and the straight rod 17, the straight rod 17 can be conveniently disassembled; the vertical cross Kirschner wire 17 is fixed and a square design is applied, so that the standard reference can be carried out by utilizing the characteristics of the geometric shape for accurate resetting, the operation is simple and easy, no special training is required, the part design is simple and easy to use, and no special training is required; low cost and is suitable for primary hospitals.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a modular fracture restorer, includes nut (1) and second straight-bar (13), and the quantity of nut (1) is four, and is matrix distribution, its characterized in that: the novel steering wheel is characterized in that a forward-rotating screw (2) is in threaded connection with a left inner cavity of the nut (1), a reverse-rotating screw (3) is in threaded connection with a right inner cavity of the nut (1), a first groove (4) is formed in one end, opposite to the forward-rotating screw (2) and the reverse-rotating screw (3), of the forward-rotating screw, a first straight rod (5) is inserted in the first groove (4), the other end of the first straight rod (5) is connected with a steering ball, the steering ball is in sliding connection with an arc-shaped sliding groove (6), a brake cap (7) is sleeved at one end, close to the steering ball, of the first straight rod (5), the other end of the brake cap (7) is sleeved with the side wall of the arc-shaped sliding groove (6), the other end, far away from the first straight rod (5), of the arc-shaped sliding groove (6) is connected with the side wall of the rotating rod (10), first jacking protrusions (11) are connected to the middle portions of two ends of the rotating rod (10), a second straight rod (13) is connected with a second jacking protrusion (12), and the second jacking protrusion (14) is connected with two adjacent right-angle connecting rods (15);
one end of the rotating rod (10) far away from the arc-shaped sliding groove (6) is connected with a connecting plate (16), the connecting plate (16) is provided with a plurality of first through holes (18), two corresponding first through holes (18) are inserted into kirschner pins (17) on two opposite connecting plates (16), one end side wall of the connecting plate (16) far away from the rotating rod (10) is provided with a second through hole (19) corresponding to the first through hole (18), the second through hole (19) is communicated with the first through holes (18), one end of the first through hole (18) close to the second through hole (19) is provided with a first pressing block (21), one end of the first pressing block (21) close to the second through hole (19) is provided with a sliding groove (22), a pressing rod (20) is inserted into the second through hole (19), one end of the pressing rod (20) is positioned outside the connecting plate (16), the other end of the pressing rod (20) penetrates through the second through hole (19) to reach the first through hole (18) to be connected with the sliding groove (22) in a sliding manner, the upper end and the lower end of the first pressing block (21) is connected with a straight rod (23), and the other end of the third pressing block (23) is connected with a straight rod (24), the middle part of the hinged rod (25) is rotatably connected with a fixed rod (26) arranged on the side wall of the first through hole (18), the other end of the hinged rod (25) is hinged with a pressure lever (27), the other ends of the two pressure levers (27) are connected with a second pressure block (28), and the first pressure block (21) and the second pressure block (28) are positioned on two sides of the Kirschner wire (17);
one opposite ends of the forward screw (2) and the reverse screw (3) are connected with elastic gaskets (8);
the brake cap (7) is in threaded sleeve connection with the side wall of the arc-shaped sliding groove (6).
2. The modular fracture reducer of claim 1, wherein: one end of the brake ring (9) close to the steering ball is of an arc-shaped structure, and first anti-skid grains are arranged in the arc.
3. The combination fracture reducer of claim 1 or 2, wherein: and third grooves corresponding to the second top bulges (14) are formed in two ends of the right-angle connecting rod (15).
4. The combination fracture reducer of claim 1 or 2, wherein: the number of the first through holes (18) is more than two, and the first through holes (18) are arranged equidistantly.
5. A combined fracture reduction device according to claim 1 or 2, wherein: the pressing rod (20) is in threaded insertion connection with the second through hole (19).
6. A combined fracture reduction device according to claim 1 or 2, wherein: one ends of the first pressing block (21) and the second pressing block (28) close to the Kirschner wire (17) are both arc-shaped structures, and second anti-skid grains are arranged on the surfaces of the arcs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354846.9A CN107137134B (en) | 2017-05-18 | 2017-05-18 | Combined fracture repositor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354846.9A CN107137134B (en) | 2017-05-18 | 2017-05-18 | Combined fracture repositor |
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| CN107137134A CN107137134A (en) | 2017-09-08 |
| CN107137134B true CN107137134B (en) | 2023-04-07 |
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| CN201710354846.9A Active CN107137134B (en) | 2017-05-18 | 2017-05-18 | Combined fracture repositor |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802333B (en) * | 2017-11-21 | 2023-08-18 | 杭州三坛医疗科技有限公司 | Bone reposition device |
| CN108967133B (en) * | 2018-07-18 | 2020-10-09 | 江苏天海泵业有限公司 | Nozzle seat of stamping type sprinkling irrigation frame |
| CN110141335B (en) * | 2019-04-14 | 2024-04-26 | 浙江工业大学 | Triangular telescopic skeleton rehabilitation external fixation frame |
| CN110680518B (en) * | 2019-10-16 | 2022-05-17 | 彭斌 | A disconnected bone butt joint auxiliary device of type of being convenient for to use for orthopedics |
| CN112402001B (en) * | 2020-09-11 | 2022-03-08 | 南昌大学第二附属医院 | Universal centrum resetting device for orthopedic spine operation |
| CN113476195A (en) * | 2021-07-29 | 2021-10-08 | 山东中医药大学附属医院 | Long bone fracture restorer |
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| CN2262903Y (en) * | 1996-07-12 | 1997-09-24 | 李俭 | Combined adjustable external fixer for reduction of fracture |
| CN102247198A (en) * | 2011-06-29 | 2011-11-23 | 温建民 | Combined three-dimensional traction mounting bracket for wrist joint |
| CN202235624U (en) * | 2011-05-27 | 2012-05-30 | 浙江神腾康慈生物医药科技有限公司 | Combined type external fixed support system |
| CN103622736A (en) * | 2013-12-12 | 2014-03-12 | 游硕 | Fracture restoration fixer for long bones of limbs |
| CN204562342U (en) * | 2014-11-10 | 2015-08-19 | 山东航维骨科医疗器械股份有限公司 | A kind of orthopaedics reduction holder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7686808B2 (en) * | 2006-01-27 | 2010-03-30 | Depuy Products, Inc. | Fracture fixation device and implantation jig therefor |
| US20130110110A1 (en) * | 2010-07-07 | 2013-05-02 | Gabriel Waisman | Polyaxial external fixator and method of using the same |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262903Y (en) * | 1996-07-12 | 1997-09-24 | 李俭 | Combined adjustable external fixer for reduction of fracture |
| CN202235624U (en) * | 2011-05-27 | 2012-05-30 | 浙江神腾康慈生物医药科技有限公司 | Combined type external fixed support system |
| CN102247198A (en) * | 2011-06-29 | 2011-11-23 | 温建民 | Combined three-dimensional traction mounting bracket for wrist joint |
| CN103622736A (en) * | 2013-12-12 | 2014-03-12 | 游硕 | Fracture restoration fixer for long bones of limbs |
| CN204562342U (en) * | 2014-11-10 | 2015-08-19 | 山东航维骨科医疗器械股份有限公司 | A kind of orthopaedics reduction holder |
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| Publication number | Publication date |
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| CN107137134A (en) | 2017-09-08 |
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