CN216603033U - Movable elbow joint support - Google Patents
Movable elbow joint support Download PDFInfo
- Publication number
- CN216603033U CN216603033U CN202122393377.6U CN202122393377U CN216603033U CN 216603033 U CN216603033 U CN 216603033U CN 202122393377 U CN202122393377 U CN 202122393377U CN 216603033 U CN216603033 U CN 216603033U
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- CN
- China
- Prior art keywords
- connecting rod
- far
- rod
- screw
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000002310 elbow joint Anatomy 0.000 title abstract description 20
- 238000001125 extrusion Methods 0.000 claims description 21
- 210000003127 knee Anatomy 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims description 5
- 210000003275 diaphysis Anatomy 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000001766 physiological effect Effects 0.000 abstract description 3
- 210000000245 forearm Anatomy 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 208000014674 injury Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000000623 ulna Anatomy 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model discloses a movable elbow joint support.A Schanz screw is clamped at the rear sides of two right-angle bent rods by a clamping block and is fixed with the rear side of an ulnar stem, the front side of the two right-angle bent rods is clamped with a lower end connecting rod by the clamping block, the lower end connecting rod is arranged with a spherical connecting rod by an adjustable connecting piece, so that the right-angle bent rods 1 are used, wherein the screw which is driven into the proximal end of the ulnar is positioned at the rear side of the Schanz screw at the far end, the rotating center of the adjustable connecting piece is positioned at the outer side, and the operation difficulty of driving the screw into the far end is reduced. According to the utility model, through the use of the adjustable connecting piece, after the fixing screw is loosened, the position of the far-end straight rod connector on the lower-end connecting rod can be adjusted, the locking can be carried out through the fixing screw, the hollow positioning nail is loosened, and the angle between the upper-end connecting rod and the far-end straight rod connector can be adjusted, so that the elbow joint can be adjusted according to the bent angle of the arm of a patient, the elbow joint can better meet the physiological activity standard of the elbow joint, and the influence on the rotation function of the front wall is reduced.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a movable elbow joint support.
Background
Instability of the elbow joint due to trauma is a common injury to the elbow, and most of them require surgical treatment. In some cases, after fracture fixation and ligament repair, there is some instability, in which an external fixation frame is required to increase stability, and the elbow joint is allowed to move early, so as to reduce the stiffness of the elbow joint and improve the curative effect.
The screw at the far end of the prior movable elbow joint support is usually arranged at the outer side of the middle section of the ulna, the operation is inconvenient, the ulna shaft is easy to fracture, and the rotation function of the forearm is limited. Therefore, a novel elbow joint movable support is provided.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to provide a movable elbow joint support that solves the problems set forth in the background above.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a movable elbow joint support, includes two right angle knee rods, the rear side centre gripping of right angle knee rod has the grip block, the centre gripping has the Schanz screw on the grip block, and the rear side fixed mounting of Schanz screw and chi diaphysis, the right side centre gripping of right angle knee rod has the grip block, and the centre gripping has the distal end connecting rod between two grip blocks, adjustable connecting piece in the middle of the upper end of distal end connecting rod is installed, the near-end connecting rod is installed to the upper end of middle adjustable connecting piece, the upper end centre gripping of near-end connecting rod has the grip block, the centre gripping has two Schanz screws on the grip block, and Schanz screw and humeral diaphysis fixed mounting.
Preferably, the middle adjustable connecting piece comprises a far-end straight rod connector, the middle of the far-end straight rod connector and the far-end connecting rod are obliquely and fixedly installed, an inserting rod is inserted into the head end of the far-end straight rod connector, a hinging block is integrally formed at the head end of the inserting rod, a spherical hinging groove is formed in the middle of the hinging block, a hollow positioning nail is screwed on the outer side wall of the hinging block, one end of a shaft rod is sleeved at the middle of the hollow positioning nail, the other end of the shaft rod and the inner side wall of the spherical hinging groove are fixedly installed, a positioning nail is screwed on the lower end of the far-end straight rod connector, and a limiting groove formed in the outer side wall of the inserting rod is sleeved on the outer side wall of the positioning nail.
Preferably, the near-end connecting rod comprises a connecting ball, the connecting ball is sleeved in the spherical hinge groove, the connecting ball is sleeved with the shaft rod and is extruded with the hollow positioning nail, and an upper end connecting rod is fixedly mounted at the upper end of the connecting ball.
Preferably, the grip block includes central splint, the both ends integrated into one piece at central splint middle part has the hexagon stopper, the laminating of the both sides of central splint has the extrusion piece, one side the screw has been cup jointed on the extrusion piece, and the screw runs through behind the hexagon stopper with opposite side extrusion piece looks spiro union, the hexagon spacing groove that cup joints mutually with the hexagon stopper is seted up with the opposite face of central splint to the extrusion piece.
Compared with the prior art, the utility model has the beneficial effects that: according to the movable elbow joint support, Schanz screws are clamped at the rear sides of two right-angle bent rods and fixed with the rear side of an ulnar stem through clamping blocks, the front sides of the two right-angle bent rods are clamped with a far-end connecting rod through the clamping blocks, the far-end connecting rod is installed with a near-end connecting rod through a middle adjustable connecting piece, the near-end connecting rod clamps the Schanz screws and fixedly installs the Schanz screws with the humeral stem through the clamping blocks, and therefore the installation of the device is completed through the use of the right-angle bent rods, the screws, which are driven into the near end of the ulnar stem, of the far-end Schanz screws are located at the rear sides, the rotating center of the middle adjustable connecting piece is located on the outer side, and the operation difficulty of driving the Schanz screws into the far end is reduced.
The utility model loosens the hollow positioning nail through the use of the middle adjustable connecting piece, so that the connecting ball can rotate in the spherical hinge groove, thereby adjusting the angle between the upper connecting rod and the far-end straight rod connector, further being capable of adjusting according to the bent angle of the arm of a patient, leading the elbow joint to better accord with the physiological activity standard of the elbow joint and reducing the influence on the rotation function of the forearm.
The second embodiment of the utility model provides the clamping block, when in use, the connecting rod can be placed in the extrusion groove, and then the connecting rod can be clamped by screwing the screw.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial structural view of the first embodiment of the present invention;
FIG. 3 is an exploded view of a portion of the first embodiment of the present invention;
FIG. 4 is a schematic view of a second embodiment of a clamping block according to the present invention.
In the figure: the device comprises a right-angle bent rod 1, a clamping block 2, a central clamping plate 21, a hexagonal limiting block 22, an extrusion block 23, a screw 24, a hexagonal limiting groove 25, an extrusion groove 26, a Schanz screw 3, a far-end connecting rod 4, a middle adjustable connecting piece 5, a far-end straight rod connector 51, a limiting groove 52, a positioning nail 53, an insertion rod 54, a hinge block 55, a spherical hinge groove 56, a hollow positioning nail 57, a shaft rod 58, a near-end connecting rod 6, a connecting ball 61 and an upper-end connecting rod 62.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a movable elbow joint support comprises two right-angle bent rods 1, clamping blocks 2 are clamped on the rear sides of the right-angle bent rods 1, Schanz screws 3 are clamped on the clamping blocks 2, the Schanz screws 3 and the rear sides of ulnar backbones are fixedly installed, the clamping blocks 2 are clamped on the right sides of the right-angle bent rods 1, a far-end connecting rod 4 is clamped between the two clamping blocks 2, a middle adjustable connecting piece 5 is installed at the upper end of the far-end connecting rod 4, a near-end connecting rod 6 is installed at the upper end of the middle adjustable connecting piece 5, the clamping blocks 2 are clamped at the upper ends of the near-end connecting rod 6, the two Schanz screws 3 are clamped on the clamping blocks 2, and the Schanz screws 3 and the humeral backbones are fixedly installed.
Particularly, middle adjustable connector 5 includes distal end straight rod connector 51, the middle part and the 4 slope fixed mounting of distal end connecting rod of distal end straight rod connector 51, the head end of distal end straight rod connector 51 is pegged graft and is had peg graft pole 54, the head end integrated into one piece of peg graft pole 54 has articulated piece 55, spherical hinge groove 56 has been seted up at the middle part of articulated piece 55, the lateral wall spiro union of articulated piece 55 has hollow locating pin 57, the one end of axostylus axostyle 58 has been cup jointed in the middle part of hollow locating pin 57, and the other end of axostylus axostyle 58 and the inside wall fixed mounting of spherical hinge groove 56, the lower extreme spiro union of distal end straight rod connector 51 has locating pin 53, and locating pin 53's the lateral wall cup joints the spacing groove 52 of locating the lateral wall of peg pole 54.
Specifically, the proximal connecting rod 6 comprises a connecting ball 61, the connecting ball 61 is sleeved in the spherical hinge groove 56, the connecting ball 61 is sleeved with the shaft rod 58, the connecting ball 61 is extruded with the hollow positioning nail 57, and the outer side wall of the connecting ball 61 is fixedly provided with an upper end connecting rod 62.
The working principle is as follows: according to the utility model, Schanz screws 3 are clamped by the rear sides of two right-angle bent rods 1 through clamping blocks 2 and are fixed with the rear side of an ulnar stem, the front sides of the two right-angle bent rods are clamped together with a distal end connecting rod 4 through the clamping blocks 2, the distal end connecting rod 4 is installed together with a proximal end connecting rod 6 through a middle adjustable connecting piece 5, the proximal end connecting rod 6 clamps the Schanz screws 3 through the clamping blocks 2 and is fixedly installed with a humeral stem, and the installation of the device is completed, so that the right-angle bent rods 1 are used, wherein the screws which are driven into the proximal end of the ulnar stem by the distal end Schanz screws 3 are positioned on the rear sides, the rotating center of the middle adjustable connecting piece 5 is positioned on the outer side, and the operation difficulty of driving the Schanz screws into the distal end is reduced.
The utility model loosens the hollow positioning nail 57 through the use of the middle adjustable connecting piece 5, so that the connecting ball 61 can rotate in the spherical hinge groove 56, thereby adjusting the angle between the upper connecting rod 62 and the far-end straight rod connector 51, adjusting the angle according to the bending angle of the arm of the patient, leading the arm to be more in line with the physiological activity standard of the elbow joint and reducing the influence on the rotation function of the forearm.
Example two:
a movable elbow joint support has the same other characteristics as the first embodiment except that: as shown in fig. 1 and 4:
particularly, grip block 2 includes central splint 21, the both ends integrated into one piece at central splint 21 middle part has hexagon stopper 22, the laminating of central splint 21's both sides has extrusion piece 23, screw 24 has been cup jointed on one side extrusion piece 23, and screw 24 runs through behind the hexagon stopper 22 with the looks spiro union of opposite side extrusion piece 23, the hexagon spacing groove 25 that cup joints mutually with hexagon stopper 22 is seted up with the opposite face of central splint 21 to extrusion piece 23, the opposite face of extrusion piece 23 and central splint 21, extrusion groove 26 has been seted up to the lateral wall that is located hexagon spacing groove 25.
The working principle is as follows: the utility model provides the clamping block 2, when in use, the connecting rod can be placed in the extrusion groove 26, and then the connecting rod can be clamped by screwing the screw 24, and the utility model adopts the hexagonal limiting groove 25 to be matched with the hexagonal limiting block 22, so that the two extrusion blocks 23 are more stable in clamping and are not easy to have dislocation phenomenon.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A mobile elbow rest comprising two right-angled bent rods (1), characterized in that: the rear side centre gripping of right angle knee (1) has clamping block (2), the centre gripping has Schanz screw (3) on clamping block (2), and Schanz screw (3) and chi diaphysis rear side fixed mounting, the right side centre gripping of right angle knee (1) has clamping block (2), and the centre gripping has distal end connecting rod (4) between two clamping block (2), adjustable connecting piece (5) in the middle of the upper end of distal end connecting rod (4) is installed, near-end connecting rod (6) are installed to the upper end of middle adjustable connecting piece (5), the upper end centre gripping of near-end connecting rod (6) has clamping block (2), the centre gripping has two Schanz screws (3) on clamping block (2), and Schanz screw (3) and brachial diaphysis fixed mounting.
2. A movable elbow rest as claimed in claim 1, wherein: the middle adjustable connecting piece (5) comprises a far-end straight rod connector (51), the middle part of the far-end straight rod connector (51) is obliquely and fixedly installed with the far-end connecting rod (4), the head end of the far-end straight rod connector (51) is spliced with a splicing rod (54), the head end of the splicing rod (54) is integrally formed with a hinge block (55), a spherical hinge groove (56) is arranged in the middle of the hinge block (55), a hollow positioning nail (57) is screwed on the outer side wall of the hinge block (55), one end of a shaft lever (58) is sleeved at the middle part of the hollow positioning nail (57), and the other end of the shaft lever (58) is fixedly arranged with the inner side wall of the spherical hinge groove (56), the lower end of the far-end straight rod connector (51) is in threaded connection with a positioning nail (53), and the outer side wall of the positioning nail (53) is sleeved with a limit groove (52) arranged on the outer side wall of the insertion rod (54).
3. A movable elbow rest as claimed in claim 2, wherein: the near-end connecting rod (6) comprises a connecting ball (61), the connecting ball (61) is sleeved in the spherical hinge groove (56), the connecting ball (61) is sleeved with the shaft rod (58), the connecting ball (61) is extruded with the hollow positioning nail (57), and an upper end connecting rod (62) is fixedly mounted on the outer side wall of the connecting ball (61).
4. A movable elbow rest as claimed in claim 1, wherein: grip block (2) are including central splint (21), the both ends integrated into one piece at central splint (21) middle part has hexagon stopper (22), the both sides laminating of central splint (21) has extrusion piece (23), one side screw (24) have been cup jointed on extrusion piece (23), and screw (24) run through behind hexagon stopper (22) with opposite side extrusion piece (23) looks spiro union, hexagon spacing groove (25) that cup joints mutually with hexagon stopper (22) are seted up with the opposite face of central splint (21) to extrusion piece (23), extrusion piece (23) and the opposite face of central splint (21), the lateral wall that is located hexagon spacing groove (25) has seted up extrusion groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393377.6U CN216603033U (en) | 2021-09-30 | 2021-09-30 | Movable elbow joint support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122393377.6U CN216603033U (en) | 2021-09-30 | 2021-09-30 | Movable elbow joint support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216603033U true CN216603033U (en) | 2022-05-27 |
Family
ID=81691067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122393377.6U Expired - Fee Related CN216603033U (en) | 2021-09-30 | 2021-09-30 | Movable elbow joint support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216603033U (en) |
-
2021
- 2021-09-30 CN CN202122393377.6U patent/CN216603033U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220527 |