CN214073537U - Elbow joint external fixation adjustable support - Google Patents
Elbow joint external fixation adjustable support Download PDFInfo
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- CN214073537U CN214073537U CN202022672748.XU CN202022672748U CN214073537U CN 214073537 U CN214073537 U CN 214073537U CN 202022672748 U CN202022672748 U CN 202022672748U CN 214073537 U CN214073537 U CN 214073537U
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Abstract
The utility model discloses an elbow joint external fixation adjustable support, including fixing last dead lever on the upper arm, fixing the lower dead lever on the forearm, connecting the multi freedom joint of going up dead lever and dead lever down and setting up the micromatic setting constitution between last dead lever and lower dead lever respectively. The utility model provides an application of mount in the unstable treatment of humerus fracture companion elbow joint, as a stable auxiliary means after the art, can improve elbow joint postoperative stability at once to guarantee the function exercise of elbow joint early safety.
Description
Technical Field
The invention belongs to the field of orthopedic medical instruments, and particularly relates to an external-fixation adjustable support for treating elbow joint trauma.
Background
At present, elbow joint is fixed with steel sheet, external fixation support etc. in order to assist fracture, ligament healing to restore mostly after taking place fracture, ligament damage, though can effectively fix, nevertheless be difficult to carry out abundant functional training, often can lead to the elbow joint soft tissue contracture and the joint stiffness of pine postoperative, seriously influences human normal function. Based on the traditional operation, the application of the external fixing bracket better solves the problem of postoperative functional exercise, and gradually becomes a new choice for postoperative treatment of the stiffness and looseness of the elbow joint. Its main advantage has: the minimally invasive operation is quick; the elbow joint can be controlled to move according to a concentric circle rotating shaft, the elbow joint is allowed to perform early flexion and extension functional exercise, and adhesion and contracture are reduced; providing a tension-free environment for ligament repair, and performing fracture ligament healing and joint training simultaneously; the good involution of the articular surfaces is ensured, the axial compression stress and the shearing force between the brachial ulnar joint and the brachial radial joint caused by the early functional exercise are neutralized, and the stability of the brachial ulnar joint and the brachial radial joint is maintained. However, the fixing rod of the elbow joint external fixing bracket in the current market cannot be finely adjusted, a needle cannot be randomly penetrated to fix a skeleton, and the skeleton is difficult to fix; when functional exercise is needed after operation, part of the fixing rods need to be removed, the operation is complex, and the movement cannot be controlled; the rotary point of the external fixed bracket and the rotary point of the elbow joint are difficult to find during operation, and the defects of difficult concentricity, limited postoperative activity and the like are overcome. Therefore, the elbow joint external fixing support capable of freely training and recovering the elbow joint function is very significant.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the controllable elbow joint external fixation support which is easy to operate in operation and easy to operate in postoperative exercise and rehabilitation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the adjustable support for external fixation of the elbow joint comprises a first adjusting body, a second adjusting body and a fastening device, wherein the first adjusting body comprises an upper fixing rod, a first angle fine-adjustment device fixedly connected with the upper fixing rod and a first connecting plate fixedly connected with the first angle fine-adjustment device, the second adjusting body comprises a lower fixing rod, a second angle fine-adjustment device fixedly connected with the lower fixing rod and a second connecting plate fixedly connected with the second angle fine-adjustment device, sliding long grooves are formed in the first connecting plate and the second connecting plate and are respectively a first sliding long groove and a second sliding long groove, and the fastening devices for fixing the first connecting plate and the second connecting plate are installed in the first sliding long groove and the second sliding long groove.
The fastening device comprises a fastening screw, an upper disc, a lower disc, a fastening nut, wherein the fastening screw penetrates through the sliding long groove I or the sliding long groove II and then is sequentially sleeved with the upper disc, the lower disc, the sliding long groove I or the sliding long groove II and the fastening nut, the inner side of the tail part of the fastening screw is provided with a first anti-rotation key, one side of each of the upper disc and the lower disc is provided with a second anti-rotation key, the other side of each of the upper disc and the lower disc is provided with a disc with anti-rotation teeth, the first anti-rotation key and the second anti-rotation key can slide in the sliding long groove, the width of the first anti-rotation key and the width of the second anti-rotation key are consistent with the width of the sliding long groove, the tail part of the fastening screw abuts against the first connecting plate, the first connecting plate abuts against the lower disc, the lower disc abuts against the upper disc, the second connecting plate abuts against the fastening nut, the fastening screw is sleeved on the fastening screw, and the upper disc and the lower disc are connected with the upper disc and the connecting plate.
Furthermore, anti-rotation tooth surfaces of the upper disc and the lower disc correspond to each other, anti-rotation teeth which are matched with each other are arranged on the lower surface of the upper disc and the upper surface of the lower disc, and anti-rotation keys II arranged on the upper disc and the lower disc are matched with the sliding long grooves.
Furthermore, the first angle fine-adjustment device comprises a first fastening nut, a first universal ball socket, a first fastening screw sleeve and a first connecting piece, wherein the first fastening nut is in threaded connection with the threaded section of the upper fixing rod; the universal ball socket I comprises a ball socket part I and a cylinder I, and the universal ball I is positioned in the universal ball socket I; the first connecting piece is fixedly connected with the first connecting plate, the first barrel of the first universal ball socket is fixedly connected with the first connecting piece, and a groove matched with the first ball head is formed in the end face of the other end of the first connecting piece.
The angle fine-adjustment device II comprises a fastening nut II, a universal ball socket II, a fastening screw sleeve II and a connecting piece II, wherein the fastening nut II is in threaded connection with the threaded section of the lower fixing rod; the universal ball socket II comprises a ball socket part II and a cylinder body II, and the universal ball II is positioned in the universal ball socket II;
the second connecting piece is fixedly connected with the second connecting plate, and the second cylinder body of the second universal ball socket is fixedly connected with the second connecting piece.
Furthermore, the first fastening screw sleeve and the second fastening screw sleeve are both provided with anti-skid steps.
Furthermore, the ball socket side walls of the first universal ball socket and the second universal ball socket are respectively provided with a first slotted hole and a second slotted hole, the diameter of the first slotted hole is larger than that of the first ball rod, and the diameter of the second slotted hole is larger than that of the second ball rod.
Furthermore, the first angle fine-tuning device comprises a first fixed jackscrew, a first fluted disc, a first fastening screw, a second fluted disc and a first connecting pin, and the second angle fine-tuning device comprises a second fixed jackscrew, a third fluted disc, a second fastening screw, a fourth fluted disc and a second connecting pin; the first fluted disc and the third fluted disc comprise a fluted disc part and a rod part, anti-rotation teeth are arranged on the fluted disc part, fastening screw holes are formed in the center of the fluted disc, steps are arranged at the end parts of the rod part, and the first fluted disc and the third fluted disc are fixedly fastened to one ends of the first connecting plate and the second connecting plate through the first fixed jackscrew and the second fixed jackscrew; the fluted disc II and the fluted disc IV are provided with a fluted disc part and a rod part, the fluted disc part is provided with anti-rotation teeth, the center of the fluted disc is provided with a fastening screw hole, the fluted disc II and the fluted disc four rod part are respectively and tightly connected with the upper fixed rod and the lower fixed rod through a connecting pin I and a connecting pin II, and the fluted disc II and the fluted disc four rod part, the upper fixed rod and the lower fixed rod can also be designed into a whole; the first fluted disc and the second fluted disc correspond to the anti-rotation teeth arranged on the fourth fluted disc, and the first fastening screw and the second fastening screw respectively penetrate through the first fluted disc and the second fluted disc and are provided with fastening pin holes.
Furthermore, the first angle fine-adjustment device comprises a first universal ball socket fixedly connected with the upper fixing rod and a first ball rod fixedly connected with the first connecting plate, the first fastening screw sleeve and the first fastening nut are sequentially sleeved on the first ball rod, the first universal ball comprises a first ball head and a first ball rod, the first ball head is connected with the first universal ball socket in a sliding manner, one end of the first fastening screw sleeve is provided with a concave part corresponding to the first universal ball socket, and the other end of the first fastening screw sleeve is abutted against the first fastening nut; the universal ball socket I comprises a ball socket part I and a cylinder I, and the cylinder I is fixedly connected with the upper fixing rod.
The angle fine-adjustment device II comprises a universal ball socket II fixedly connected with the upper fixing rod and a ball rod II fixedly connected with the connecting plate II, the fastening screw sleeve II and the fastening nut II are sequentially sleeved on the ball rod II, the universal ball II comprises a ball head II and a ball rod II, the ball head II is in sliding connection with the universal ball socket II, one end of the fastening screw sleeve II is provided with a concave part corresponding to the universal ball socket II, and the other end of the fastening screw sleeve is abutted against the fastening nut II; the universal ball socket II comprises a ball socket part II and a cylinder body II, and the cylinder body II is fixedly connected with the upper fixing rod.
The utility model discloses an application of an elbow joint external fixation adjustable bracket in the postoperative treatment of humerus far-end fracture with unstable elbow joint, soft tissue contracture of elbow joint and joint stiffness lysis, as an postoperative stable auxiliary method, the external fixation bracket rotating point and the elbow joint rotating point do not need to be searched during the operation; the fixing rod can be finely adjusted, a needle can be randomly penetrated to fix the skeleton, and the skeleton can be easily fixed; when functional exercise is needed after operation, the operation is easy and simple, and the tightening screws of the joints with multiple degrees of freedom are loosened, so that the early-stage safe functional exercise of the elbow joints is ensured.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
FIG. 3 is a schematic structural view of the upper disc of FIG. 1;
FIG. 4 is a schematic structural view of the fastening nut of FIG. 1;
FIG. 5 is a schematic view of the fastening screw of FIG. 1;
FIG. 6 is a schematic view of the fastening nut of FIG. 1;
FIG. 7 is a schematic structural view of the ball and socket joint of FIG. 1;
FIG. 8 is a schematic structural diagram of the gimbaled ball of FIG. 1;
FIG. 9 is a schematic structural view of the first connecting post of FIG. 1;
fig. 10 is a schematic structural view of embodiment 2 of the present invention;
FIG. 11 is a schematic structural view of the upper fixing rod and the first angle fine-tuning device in FIG. 9;
fig. 12 is a schematic structural view of embodiment 3 of the present invention;
FIG. 13 is a structural view of the first toothed disc of FIG. 11;
in the figure, 1, a first connecting plate, 2, an upper disc, 3, a fastening nut, 4, a fastening screw, 5, a first fastening screw sleeve, 6, a first universal ball socket, 7, an upper fixing rod, 8, a first universal ball, 9, a first positioning nut, 10, a lower fixing rod, 11, a second connecting plate, 12, a second universal ball socket, 13, a first pin, 14, a second positioning nut, 15, a second fastening screw sleeve, 16, a second pin, 17, a lower disc, 18, a first slotted hole, 19, a first fixing jackscrew, 20, a first fluted disc, 21, a first fastening screw, 22, a second fluted disc, 23, a second fixing jackscrew, 24, a third fluted disc, 25, a second fastening screw, 26, a fourth fluted disc, 27, a first nut, 28 and a second nut.
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.
Embodiment 1, as shown in fig. 1 to 9, an adjustable bracket for external fixation of an elbow joint includes a first adjusting body, a second adjusting body, and a fastening device, where the first adjusting body includes a first upper fixing rod 7, a first angle fine-tuning device fixedly connected to the first upper fixing rod 7, a first connecting plate 1 fixedly connected to the first angle fine-tuning device, the second adjusting body includes a second lower fixing rod 10, a second angle fine-tuning device fixedly connected to the second lower fixing rod 10, and a second connecting plate 11 fixedly connected to the second angle fine-tuning device, sliding long grooves are respectively formed in the first connecting plate 1 and the second connecting plate 11, and are a first sliding long groove and a second sliding long groove, and the fastening device for fixing the first connecting plate 1 and the second connecting plate 11 is installed in the first sliding long groove and the second sliding long groove.
The fastening device comprises a fastening screw 4, an upper disc 2, a lower disc 17 and a fastening nut 3, wherein the fastening screw 4 penetrates through a sliding long groove II and then is sequentially sleeved with the lower disc 17, the upper disc 2, a sliding long groove I and the fastening nut 3, the inner side of the tail part of the fastening screw 4 is provided with a first anti-rotation key, one side of each of the upper disc 2 and the lower disc 17 is provided with a second anti-rotation key, the other side of each of the upper disc 2 and the lower disc 17 is provided with a disc with anti-rotation teeth, the first anti-rotation key and the second anti-rotation key can slide in the sliding long groove II and the sliding long groove I, the width of the first anti-rotation key and the width of the second anti-rotation key are consistent with the width of the sliding long groove, the tail part of the fastening screw 4 abuts against a second connecting plate 11, the second connecting plate 11 abuts against the lower disc 17, the upper disc 2 abuts against the first connecting plate 1, the first connecting plate 1 abuts against the fastening nut 3, the fastening screw 4 is sleeved on the fastening screw 4, and the fastening screw thread connection.
The anti-rotation tooth surfaces of the upper disc 2 and the lower disc 17 correspond to each other, the anti-rotation teeth which are matched with each other are arranged on the lower surface of the upper disc 2 and the upper surface of the lower disc 17, and the anti-rotation keys II arranged on the upper disc 2 and the lower disc 17 are matched with the sliding long groove.
The first angle fine adjustment device comprises a first fastening nut 9, a first universal ball 8, a first universal ball socket 6, a first fastening screw sleeve 5 and a first connecting piece, wherein the first universal ball 8 comprises a first ball head and a first ball rod, the first ball head is in sliding connection with the first universal ball socket 6, the first ball rod is in threaded connection with the upper fixing rod 7, the first fastening screw sleeve 5 and the first fastening nut 9 are sequentially sleeved on the first ball rod, one end of the first fastening screw sleeve 5 is provided with a concave part corresponding to the first universal ball socket 6, and the other end of the first fastening screw sleeve abuts against the first fastening nut 9; the universal ball socket I6 comprises a ball socket I and a cylinder I, and the universal ball I8 is positioned in the universal ball socket I6; one of universal ball socket 6, spliced pole one is served and is provided with equal cotter hole, and both connect through pin 13, connecting piece one and connecting plate 1 fixed connection, be connected through spliced pole one promptly, the one end of spliced pole one is provided with the external screw thread, the terminal surface of the other end be provided with a bulb matched with recess, the one end of connecting plate 1 is provided with the internal thread, passes through threaded connection between the two, the barrel and the connecting piece fastening connection of universal ball socket 6.
The second angle fine-tuning device is the same as the first angle fine-tuning device and comprises a second fastening nut 3, a second universal ball socket 12, a second fastening threaded sleeve 15 and a second connecting piece, the second universal ball comprises a second ball head and a second ball rod, the second ball head is in sliding connection with the second universal ball socket 12, the second ball rod is in fastening connection with the lower fixing rod 10, the second fastening threaded sleeve 15 and the second fastening nut 3 are sequentially sleeved on the second ball rod, one end of the second fastening threaded sleeve 15 is provided with a concave part corresponding to the second universal ball socket 12, and the other end of the second fastening threaded sleeve is abutted against the second fastening nut 3; the universal ball socket II 12 comprises a ball socket part II and a cylinder II, and the universal ball II is positioned in the universal ball socket II 12; one end of the second connecting piece is fixedly connected with the second connecting plate 11, a groove matched with the ball head is formed in the end face of the other end of the second connecting piece, and the cylinder body of the second universal ball socket 12 is sleeved on the second connecting piece and then is fixedly connected with the second connecting piece through a second pin 16. And the first fastening screw sleeve 5 and the second fastening screw sleeve 15 are both provided with anti-skid steps.
In addition, the ball socket side walls of the first universal ball socket 6 and the second universal ball socket 12 are respectively provided with a first slot hole 18 and a second slot hole, the diameter of the first slot hole 18 is larger than that of the first ball rod, and the diameter of the second slot hole is larger than that of the second ball rod, so that the ball rods can rotate in the slot holes in a large range.
In use, the upper fixing rod 7 and the lower fixing rod 10 are respectively fixed on the ulna and the humerus of a patient, the fastening device is adjusted according to the arm size of the patient, and the sliding is changed.
The second angle fine-tuning device comprises a second universal ball socket 12 fixedly connected with the upper fixing rod 7 and a second ball rod fixedly connected with the second connecting plate 11, a second fastening screw sleeve 15 and a second fastening nut 3 are sequentially sleeved on the second ball rod, the second universal ball comprises a second ball head and a second ball rod, namely, pin holes are formed in the second universal ball socket 12 and the lower fixing rod 10, pins are installed in the pin holes, a groove matched with the second ball head is formed in the end part of the lower fixing rod 10, the second ball head is connected with the second universal ball socket 12 in a sliding mode, one end of the second fastening screw sleeve 15 is provided with a concave part corresponding to the second universal ball socket 12, and the other end of the second fastening screw sleeve is abutted against the second fastening nut 3; the universal ball socket II 12 comprises a ball socket part II and a cylinder II, and the cylinder II is fixedly connected with the upper fixing rod 7.
Claims (8)
1. The adjustable bracket for external fixation of the elbow joint is characterized by comprising a first adjusting body, a second adjusting body and a fastening device, wherein the first adjusting body comprises an upper fixing rod, a first angle fine-adjustment device fixedly connected with the upper fixing rod and a first connecting plate fixedly connected with the first angle fine-adjustment device, the second adjusting body comprises a lower fixing rod, a second angle fine-adjustment device fixedly connected with the lower fixing rod and a second connecting plate fixedly connected with the second angle fine-adjustment device, sliding long grooves are formed in the first connecting plate and the second connecting plate and are respectively a first sliding long groove and a second sliding long groove, and the fastening devices for fixing the first connecting plate and the second connecting plate are installed in the first sliding long groove and the second sliding long groove.
2. The external fixed adjustable bracket for elbow joints according to claim 1, wherein the fastening device comprises a fastening screw, an upper disc, a lower disc, a fastening nut, the fastening screw penetrates through the first sliding long groove or the second sliding long groove and then is sequentially sleeved with the upper disc, the lower disc, the first sliding long groove or the second sliding long groove and the fastening nut, the inner side of the tail part of the fastening screw is provided with a first anti-rotation key, one sides of the upper disc and the lower disc are respectively provided with a second anti-rotation key, the other side of the upper disc and the lower disc is provided with a disc with anti-rotation teeth, the first anti-rotation key and the second anti-rotation key can slide in the sliding long groove and have the width consistent with that of the sliding long groove, the tail part of the fastening screw is abutted against the first connecting plate, the first connecting plate is abutted against the lower disc, the lower disc is abutted against the upper disc, the second connecting plate is abutted against the second connecting plate, the fastening nut is sleeved on the fastening screw, the two are connected by screw thread.
3. The external fixed adjustable bracket for the elbow joint as claimed in claim 2, wherein the anti-rotation teeth on the upper and lower disks correspond to each other, the anti-rotation teeth on the lower surface of the upper and lower disks are engaged with each other, and the anti-rotation keys on the upper and lower disks are engaged with the sliding slot.
4. The external fixed adjustable bracket for the elbow joint according to any one of claims 1-3, wherein the first angle fine-adjustment device comprises a first fastening nut, a first universal ball socket, a first fastening nut and a first connecting piece, the first universal ball is in threaded connection with the threaded section of the upper fixing rod, the first universal ball comprises a first ball head and a first ball rod, the first ball head is in sliding connection with the first universal ball socket, the first ball rod is in fastening connection with the upper fixing rod, the first fastening nut and the first fastening nut are sequentially sleeved on the first ball rod, one end of the first fastening nut is provided with a concave portion corresponding to the first universal ball socket, and the other end of the first fastening nut abuts against the first fastening nut; the universal ball socket I comprises a ball socket part I and a cylinder I, and the universal ball I is positioned in the universal ball socket I; the first connecting piece is fixedly connected with the first connecting plate, and the first cylinder body of the first universal ball socket is fixedly connected with the first connecting piece;
the angle fine-adjustment device II comprises a fastening nut II, a universal ball socket II, a fastening screw sleeve II and a connecting piece II, wherein the fastening nut II is in threaded connection with the threaded section of the lower fixing rod; the universal ball socket II comprises a ball socket part II and a cylinder body II, and the universal ball II is positioned in the universal ball socket II; the second connecting piece is fixedly connected with the second connecting plate, and the second cylinder body of the second universal ball socket is fixedly connected with the second connecting piece.
5. The external fixed adjustable bracket for the elbow joint as claimed in claim 4, wherein the first fastening screw sleeve and the second fastening screw sleeve are provided with anti-slip steps.
6. The external fixed adjustable bracket for elbow joint as claimed in claim 5, wherein the socket side walls of the first universal socket and the second universal socket are respectively provided with a first slot hole and a second slot hole, the diameter of the first slot hole is larger than that of the first club, and the diameter of the second slot hole is larger than that of the second club.
7. The external fixed adjustable bracket for the elbow joint according to claim 1, wherein the first angle fine-tuning device comprises a first fixed top wire, a first fluted disc, a first fastening screw, a second fluted disc and a first connecting pin, and the second angle fine-tuning device comprises a second fixed top wire, a third fluted disc, a second fastening screw, a fourth fluted disc and a second connecting pin; the first fluted disc and the third fluted disc comprise a fluted disc part and a rod part, anti-rotation teeth are arranged on the fluted disc part, fastening screw holes are formed in the center of the fluted disc, steps are arranged at the end parts of the rod part, and the first fluted disc and the third fluted disc are fixedly fastened to one ends of the first connecting plate and the second connecting plate through the first fixed jackscrew and the second fixed jackscrew; the fluted disc II and the fluted disc IV are provided with a fluted disc part and a rod part, the fluted disc part is provided with anti-rotation teeth, the center of the fluted disc is provided with a fastening screw hole, the fluted disc II and the fluted disc four rod part are respectively and tightly connected with the upper fixed rod and the lower fixed rod through a connecting pin I and a connecting pin II, and the fluted disc II and the fluted disc four rod part, the upper fixed rod and the lower fixed rod can also be designed into a whole; the first fluted disc and the second fluted disc correspond to the anti-rotation teeth arranged on the fourth fluted disc, and the first fastening screw and the second fastening screw respectively penetrate through the first fluted disc and the second fluted disc and are provided with fastening pin holes.
8. The external fixed adjustable bracket for the elbow joint as claimed in claim 4, wherein the first angle fine-tuning device comprises a first universal ball socket fixedly connected with the upper fixed rod and a first ball rod fixedly connected with a first connecting plate, the first fastening screw sleeve and a first fastening nut are sequentially sleeved on the first ball rod, the first universal ball comprises a first ball head and a first ball rod, the first ball head is slidably connected with the first universal ball socket, one end of the first fastening screw sleeve is provided with a concave part corresponding to the first universal ball socket, and the other end of the first fastening screw sleeve abuts against the first fastening nut; the universal ball socket I comprises a ball socket I and a cylinder I, and the cylinder I is fixedly connected with the upper fixing rod;
the angle fine-adjustment device II comprises a universal ball socket II fixedly connected with the upper fixing rod and a ball rod II fixedly connected with the connecting plate II, the fastening screw sleeve II and the fastening nut II are sequentially sleeved on the ball rod II, the universal ball II comprises a ball head II and a ball rod II, the ball head II is in sliding connection with the universal ball socket II, one end of the fastening screw sleeve II is provided with a concave part corresponding to the universal ball socket II, and the other end of the fastening screw sleeve is abutted against the fastening nut II; the universal ball socket II comprises a ball socket part II and a cylinder body II, and the cylinder body II is fixedly connected with the upper fixing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022672748.XU CN214073537U (en) | 2020-11-18 | 2020-11-18 | Elbow joint external fixation adjustable support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022672748.XU CN214073537U (en) | 2020-11-18 | 2020-11-18 | Elbow joint external fixation adjustable support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214073537U true CN214073537U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022672748.XU Active CN214073537U (en) | 2020-11-18 | 2020-11-18 | Elbow joint external fixation adjustable support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214073537U (en) |
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2020
- 2020-11-18 CN CN202022672748.XU patent/CN214073537U/en active Active
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