CN216985124U - Orthopedic lower limb operation position placing and resetting traction device - Google Patents
Orthopedic lower limb operation position placing and resetting traction device Download PDFInfo
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- CN216985124U CN216985124U CN202122942343.8U CN202122942343U CN216985124U CN 216985124 U CN216985124 U CN 216985124U CN 202122942343 U CN202122942343 U CN 202122942343U CN 216985124 U CN216985124 U CN 216985124U
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Abstract
The utility model discloses a traction device for placing and resetting orthopedic lower limb operation body positions. The device includes: the device comprises a linking unit, a supporting and fixing unit and an adjusting unit; the linking unit comprises a bedside fixing part and a base, and the bedside fixing part is used for linking and fixing the base and the operating bed; the supporting and fixing unit comprises a knee supporting pad, a lower limb bone supporting part and a foot supporting part which are matched for placing the body position of the lower limb, drawing the limb and fixing the affected limb; the adjusting unit comprises a knee supporting pad adjusting part, an ankle flexion and extension adjusting part, a foot rotation adjusting part, a locking part and a sliding rail. The problem that the device is complex to assemble is solved by the modularized installation of each part, the modularized structure realizes the multi-dimensional arrangement, and a flexible operation space can be provided.
Description
Technical Field
The utility model belongs to the field of medical instruments, and particularly relates to a traction device for posture placement and resetting in orthopedic lower limb operations.
Background
At present, in the treatment operations of femoral shaft fracture and tibiofibula fracture, the fracture ends with different shapes are reset basically by the bare-handed operation of doctors, which is a time-consuming and labor-consuming work for the operating doctors, and the stability effect of resetting and maintaining the reset state cannot be ensured due to the instability of force application of hands; in addition, in the current surgery, a doctor is often required to hold the affected limb with both hands to keep the affected limb in the knee bending position, and in order to fit the fractured end, the affected limb at the fractured part may be clamped by forceps to maintain the reduction state. This not only consumes a large amount of physical power of doctor, and it is difficult to hold in the bare-handed and keep the stability in the operation, and fixed with the pliers also can cause extra damage to the patient, and bare-handed reduction is because the doctor is exposed to the repeated perspective of radiation in the process of restoring, has increased the perspective dose of doctor and patient. Also in joint replacement surgery, it is necessary to maintain the stability of the patient's knee flexion in order to achieve more precise therapeutic effects during the osteotomy.
Although available auxiliary support and reduction tool equipment exist in the past, the equipment cannot combine the functions of extremely-bent-knee reduction, traction and stable holding, cannot meet the clinical practical requirement, and is easy to cause additional trauma to a patient in the operation process. Some devices also have the problems of single function, complex structure, heavy weight and the like, which causes inconvenience for the operation of doctors.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, the present invention provides a traction device for posture placement and reduction in an orthopedic lower limb operation, comprising: a supporting and fixing unit and an adjusting unit;
the supporting and fixing unit comprises a knee supporting pad, a lower limb bone supporting part and a foot supporting part which are matched for lower limb position placement, limb traction and affected limb fixation;
the adjusting unit comprises a knee supporting pad adjusting part, an ankle flexion and extension adjusting part, a foot rotation adjusting part, a locking part and a slide rail;
the lower limb bone supporting part is connected with the foot supporting part, an ankle flexion and extension adjusting part is arranged at the joint, and the ankle flexion and extension adjusting part is used for adjusting an included angle between the lower limb bone supporting part and the foot supporting part;
the lower limb bone bearing part and the foot bearing part are arranged on the slide rail through the slide groove of the locking part and can move along the slide rail, and the positions of the lower limb bone bearing part and the foot bearing part on the slide rail are controlled by the locking part;
the foot rotation adjusting part is arranged on the foot supporting part and is used for adjusting the rotation angle of the foot supporting part;
the knee supporting pad adjusting part is connected with the knee supporting pad through a first cross rod and connected with the lower limb bone supporting part through a second cross rod; the supporting pad adjusting part is used for adjusting the distance between the supporting pad and the second cross rod and providing axial traction for the affected limb. Further, the first cross bar and the second cross bar are parallel.
According to an embodiment of the present invention, the knee-support pad adjustment portion includes a link and a handle, the length of the link being adjustable by gripping the handle. For example, the link includes a link a, a link B, and a spring, and the link a and the link B are elastically connected by the spring.
According to an embodiment of the present invention, the knee bolster is cylindrical or cylinder-like in shape, having a through hole at its axial center for the first cross bar to pass through. Wherein, the knee supporting pad is used for supporting the knee joint.
According to an embodiment of the utility model, the connection between the lower limb bone bearing and the foot support is a detachable connection.
According to an embodiment of the utility model, the lower limb bone bearing comprises a lower limb bone bearing plate and a support for fixing the lower limb bone bearing plate. Furthermore, a plurality of parallel grooves are arranged on the supporting piece for fixing the lower limb bone supporting plate, and the second cross rod is inserted into any one of the grooves.
According to an embodiment of the utility model, the lower limb bone support plate is shaped as a curved surface which fits the lower leg to better conform to the lower leg.
According to an embodiment of the present invention, the lower limb bone support may further include a bandage provided on the lower limb bone support plate for immobilizing the affected limb.
According to an embodiment of the present invention, the foot support includes a foot support plate and a support member for fixing the foot support plate.
According to an embodiment of the utility model, the foot rotation part comprises a base plate on which an arc-shaped groove for small-amplitude rotation (for example, 30-degree outward rotation in a foot motion range) of a support for fixing the foot supporting plate is arranged, and a fixing part for fixing the base plate and the support for fixing the foot supporting plate together.
According to the embodiment of the utility model, the ankle flexion and extension adjusting part comprises a ball head and an adjusting screw, the lower limb bone supporting part, the bottom plate and the ball head can be assembled through the saw teeth at the joint, and the adjusting screw is used for loosening or locking the saw teeth so as to adjust and fix the ankle flexion and extension angle.
Further, the included angle between the lower limb bone bearing part and the foot bearing part is marked as alpha, and the range of the alpha is 30-180 degrees.
According to the embodiment of the utility model, the locking part comprises a ball head locking part, a sliding groove, a locking screw and a slide rail locking part, wherein the ball head locking part and the sliding groove are designed into a whole and are used for linking the ankle flexion and extension adjusting part and the slide rail, the locking screw is used for opening and locking the ball head to rotate and move in the ball head locking part, the slide rail locking part comprises a tensioning block and a pressing block, and the locking screw is matched for opening and locking the sliding of the sliding groove on the slide rail.
According to an embodiment of the utility model, the slide rail is arranged on the base. For example, the slide rail is fixed to the base by bolts.
Further, the slide rail is parallel with the base, and an interval is reserved between the slide rail and the base, so that the slide groove can move along the slide rail.
According to an embodiment of the present invention, the device further comprises a link unit, the link unit comprises a bedside fixing part and a base, the bedside fixing part is used for link fixation between the base and a bed body (such as an operation bed). For example, one end of the base fixing part is arranged on the base, and the other end is arranged on the bed body. For example, the two ends of the base fixing part are respectively fixed on the base and the bed body in a clamping manner. For the implementation of the clamping means, the skilled person can select suitable clamping members.
In one embodiment, the base fixing part comprises a part A and a part B which are perpendicular to each other, one end of the part A is arranged on the base, one end of the part B is arranged on the bed body, and the other end of the part A and the other end of the part B can be fixed through bolt connection.
Advantageous effects
1. The structural device that the foot supporting part slides on the base slide rail can meet the hip bending and knee bending positions of various angles.
2. The problem of stably holding the hip bending and knee bending positions is solved by a sliding rail and ball head locking mechanism and a fixing mode that the included angle between the lower limb bone bearing part and the foot bearing part is adjustable.
3. The problem of complicated device assembly is solved in the modularization installation of each part.
4. The lower limb bone supporting part, the foot supporting part and the silica gel bandage can firmly fix the affected limb, combine the knee supporting pad and the knee supporting pad adjusting part to support the knee joint so as to realize noninvasive traction reduction.
5. The modular structure realizes the multi-dimensional arrangement and can provide flexible operation space.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a traction device for placing and resetting a lower limb operation body position in orthopedics department.
Fig. 2-1 and 2-2 are schematic views of the orientation of the foot support in the device of fig. 1.
Figures 3-1 and 3-2 are schematic views of the variation of the included angle between the lower extremity bone and foot supports of the device of figure 1.
Figures 4-1 and 4-2 are schematic illustrations of the height variation of the knee bolster in the device of figure 1.
Fig. 5-1 and 5-2 are schematic diagrams illustrating a position change of the device of fig. 1 on the slide rail.
Fig. 6-1 and 6-2 are an assembly and exploded perspective view, respectively, of the foot rotation adjustment portion of the device of fig. 1.
Figures 7-1 and 7-2 are schematic illustrations of an assembled and exploded view, respectively, of the ankle flexion-extension adjustment portion of the device of figure 1.
Fig. 8-1 and 8-2 are an assembly and interior schematic, respectively, of the locking portion of the device of fig. 1.
Fig. 9 is a schematic view of the apparatus of fig. 1.
Reference numerals are as follows:
1-knee bolster, 2-glide, 3-lower limb bone bolster, 4-foot bolster, 5-knee bolster adjustment, 6-base, 7-runner, 8-lower limb bone bolster support, 9-strap, 10-secondary cross bar, 11-base fixation, 12-foot rotation adjustment, 13-locking, 14-ankle flexion adjustment, 15-notch, 16-foot bolster support, 17-base plate, 18-arc, 19-fastener, 20-ball, 21-adjustment screw, 22-ball locking, 23-locking screw, 24-compression block.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to specific embodiments. It is to be understood that the following examples are only illustrative and explanatory of the present invention and should not be construed as limiting the scope of the present invention. All the technologies realized based on the above-mentioned contents of the present invention are covered in the protection scope of the present invention.
Elements and components used in the following embodiments are known elements and components unless otherwise specified.
Example 1
The orthopedic lower limb operation position placing and resetting traction device shown in fig. 1 comprises: the device comprises a linking unit, a supporting and fixing unit and an adjusting unit;
the linking unit comprises a bedside fixing part and a base, and the bedside fixing part is used for linking and fixing the base and the operating bed;
the supporting and fixing unit comprises a knee supporting pad 1, a lower limb bone supporting part and a foot supporting part which are matched for lower limb position placement, limb traction and affected limb fixation;
the adjusting unit comprises a knee supporting pad adjusting part 5, an ankle flexion and extension adjusting part 14, a foot rotation adjusting part 12, a locking part 14 and a slide rail 2;
the lower limb bone supporting part is connected with the foot supporting part, an ankle flexion and extension adjusting part 14 is arranged at the joint, and the ankle flexion and extension adjusting part is used for adjusting the included angle between the lower limb bone supporting part and the foot supporting part;
the lower limb bone bearing part and the foot bearing part are arranged on the slide rail 2 through the slide groove 7 of the locking part 13 and can move along the slide rail, and the positions of the lower limb bone bearing part and the foot bearing part on the slide rail are controlled by the locking part;
the foot rotation adjusting part 12 is arranged on the foot supporting part and is used for adjusting the rotation angle of the foot supporting part;
the knee supporting pad adjusting part 5 is connected with the knee supporting pad 1 through a first cross bar (not shown in the figure) and connected with the lower limb bone supporting part through a second cross bar 10; the supporting pad adjusting part is used for adjusting the distance between the supporting pad and the second cross bar and giving axial traction to the affected limb (as shown in figures 4-1 and 4-2). The first cross bar and the second cross bar are parallel.
Knee supporting pad regulating part 5 contains connecting rod and handle, and the length of connecting rod can be adjusted through gripping the handle. The connecting rod comprises a connecting rod A, a connecting rod B and a spring, and the connecting rod A and the connecting rod B are elastically connected through the spring.
The knee supporting pad 1 is cylindrical or cylinder-like, and has a through hole at its axial center for the first cross bar to pass through. Wherein the knee support pad is used for supporting the knee joint.
The lower limb bone bearing part comprises a lower limb bone bearing plate 3 and a lower limb bone bearing support piece 8. The lower limb bone bearing and supporting piece 8 is provided with a plurality of parallel grooves 15, and the second cross rod 10 is inserted into any one of the grooves.
The lower limb bone bearing plate 3 is in a curved surface shape, and is matched with the lower leg so as to be better fit with the lower leg.
The lower limb bone supporting part also comprises a bandage 9 which is arranged on the lower limb bone supporting plate and is used for fixing the affected limb.
The foot support comprises a foot support plate 4 and a foot support member 16.
As shown in figures 6-1 and 6-2, the foot swivel portion includes a base plate 17 and attachment members 19. the base plate 17 is provided with an arcuate slot 18 for small degrees of rotation (allowing 30 degrees of pronation to 30 degrees of supination over the range of motion of the foot as shown in figures 2-1 and 2-2) of the foot support 16. the attachment members 19 are used to secure the base plate 17 to the foot support 16.
As shown in Figs. 7-1 and 7-2, the ankle flexion and extension adjustment portion 14 includes a ball head 20 and an adjustment screw 21, the lower limb bone support, the base plate 17, and the ball head 20 may be assembled via the joint serrations, and the adjustment screw 21 is used to loosen or lock the serrations, thereby adjusting and fixing the ankle flexion and extension angle.
The included angle between the lower limb bone supporting part and the foot supporting part is marked as alpha, and the range of the alpha is 30-180 degrees. As shown in fig. 3-1 and 3-2.
As shown in fig. 8-1 and 8-2, the locking portion comprises a ball head locking portion 22, a sliding groove 7, a locking screw 23, and a slide rail locking portion, wherein the ball head locking portion 22 and the sliding groove 7 are designed as a whole and are used for linking the ankle flexion and extension adjusting portion and the slide rail, the locking screw 23 is used for opening and locking the ball head to rotate in the ball head locking portion, the slide rail locking portion comprises a tensioning block (not shown in the figures) and a pressing block 24, and the locking screw is used for matching to open and lock the slide of the sliding groove on the slide rail (as shown in fig. 5-1 and 5-2).
The slide rail 2 is fixed on the base 6 through a bolt, the slide rail is parallel to the base, and an interval is reserved between the slide rail and the base so that the slide groove can move along the slide rail.
One end of the base fixing part 11 is arranged on the base, and the other end is arranged on the operating bed. Two ends of the base fixing part are respectively fixed on the base and the bed body in a clamping manner (as shown in fig. 9). In one embodiment, the base fixing part comprises a part A and a part B which are perpendicular to each other, one end of the part A is arranged on the base, one end of the part B is arranged on the bed body, and the other end of the part A and the other end of the part B are fixedly connected through bolts.
The device can meet the hip and knee bending positions of various angles by utilizing a structural device that the foot supporting part slides on the base slide rail; the problem of stably holding the hip and knee bending positions is solved by utilizing a slide rail and ball head locking mechanism and a fixing mode that the included angle between the lower limb bone bearing part and the foot bearing part is adjustable; the lower limb bone supporting part, the foot supporting part and the silica gel bandage can firmly fix the affected limb, combine the knee supporting pad and the knee supporting pad adjusting part to support the knee joint to realize noninvasive traction restoration. The problem that the device is complex to assemble is solved by the modularized installation of each part, the modularized structure realizes the multi-dimensional arrangement, and a flexible operation space can be provided.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a draw gear that puts and resets of orthopedics low limbs operation position which characterized in that, the device includes: a supporting and fixing unit and an adjusting unit;
the supporting and fixing unit comprises a knee supporting pad, a lower limb bone supporting part and a foot supporting part which are matched for lower limb position placement, limb traction and affected limb fixation;
the adjusting unit comprises a knee supporting pad adjusting part, an ankle flexion and extension adjusting part, a foot rotation adjusting part, a locking part and a sliding rail;
the lower limb bone supporting part is connected with the foot supporting part, an ankle flexion and extension adjusting part is arranged at the joint, and the ankle flexion and extension adjusting part is used for adjusting an included angle between the lower limb bone supporting part and the foot supporting part;
the lower limb bone bearing part and the foot bearing part are arranged on the slide rail through the slide groove of the locking part and can move along the slide rail, and the locking part controls the positions of the lower limb bone bearing part and the foot bearing part on the slide rail;
the foot rotation adjusting part is arranged on the foot supporting part and is used for adjusting the rotation angle of the foot supporting part;
the knee supporting pad adjusting part is connected with the knee supporting pad through a first cross rod and connected with the lower limb bone supporting part through a second cross rod; the supporting pad adjusting part is used for adjusting the distance between the supporting pad and the second cross rod and providing axial traction for the affected limb.
2. The device of claim 1, wherein the knee-support pad adjustment portion comprises a link and a handle, the length of the link being adjustable by grasping the handle.
3. The device according to claim 2, wherein the link comprises a link A, a link B and a spring, and the link A and the link B are elastically connected through the spring;
the knee supporting pad is cylindrical or similar to a cylinder, and the axle center of the knee supporting pad is provided with a through hole for the first cross rod to pass through.
4. The device of claim 1, wherein the lower limb bone bearing comprises a lower limb bone bearing plate and a support for securing the lower limb bone bearing plate; the supporting piece for fixing the lower limb bone supporting plate is provided with a plurality of parallel grooves, and the second cross rod is inserted into any one of the grooves.
5. The device of claim 4, wherein the lower limb bone support plate is shaped as a curved surface that fits the lower leg;
the lower limb bone supporting part also optionally comprises a bandage which is arranged on the lower limb bone supporting plate and is used for fixing the affected limb.
6. The apparatus of claim 1, wherein the foot support comprises a foot support plate and a support member for fixing the foot support plate;
the foot rotating part comprises a base plate and a fixing part, wherein an arc-shaped groove for small-amplitude rotation of a supporting piece for fixing the foot bearing plate is formed in the base plate, and the fixing part is used for fixing the base plate and the supporting piece for fixing the foot bearing plate together.
7. The device of claim 6, wherein the ankle flexion and extension adjustment portion comprises a ball head and an adjustment screw, the lower limb bone support portion, the base plate and the ball head are assembled via the joint serrations, and the adjustment screw is used for loosening or locking the serrations so as to adjust and fix the ankle flexion and extension angle.
8. A device according to any of claims 1-6, characterized in that the angle between the lower limb bone support and the foot support is denoted α, which is in the range of 30 ° to 180 °.
9. The device as claimed in any one of claims 1 to 6, wherein the locking portion comprises a ball head locking portion, a sliding groove, a locking screw, and a sliding rail locking portion, the ball head locking portion and the sliding groove are integrally designed for linking the ankle flexion and extension adjusting portion and the sliding rail, the locking screw is used for unlocking and locking the ball head to rotate in the ball head locking portion, the sliding rail locking portion comprises a tightening block and a pressing block, and the locking screw is used for unlocking and locking the sliding of the sliding groove on the sliding rail.
10. The device of claim 1, wherein the slide rail is disposed on the base, the slide rail is parallel to the base, and a space is left between the slide rail and the base, so that the slide groove can move along the slide rail;
optionally, the device further comprises a link unit, wherein the link unit comprises a bedside fixing part and a base, and the bedside fixing part is used for link fixation between the base and the operating bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122942343.8U CN216985124U (en) | 2021-11-25 | 2021-11-25 | Orthopedic lower limb operation position placing and resetting traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122942343.8U CN216985124U (en) | 2021-11-25 | 2021-11-25 | Orthopedic lower limb operation position placing and resetting traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216985124U true CN216985124U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122942343.8U Active CN216985124U (en) | 2021-11-25 | 2021-11-25 | Orthopedic lower limb operation position placing and resetting traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216985124U (en) |
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2021
- 2021-11-25 CN CN202122942343.8U patent/CN216985124U/en active Active
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