Knee joint replacement support
By designing a knee replacement stent with adjustable height and angle, the problem that the existing stent cannot be adjusted is solved and the treatment effect of the surgery is improved.
Patent Information
- Application Number
- CN202323238344.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-29
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2033-11-29
AI Technical Summary
The existing knee replacement surgical stent cannot adjust the height and angle of the stent according to surgical needs, and cannot adjust the knee curvature, which affects the treatment effect of the surgery.
A knee replacement bracket including a side rail clamp, a connecting device, a slide rail, a slide seat and a bracket is designed. The bracket can be rotated to adjust the angle by adjusting the height of the bracket by adjusting the height of the bracket and sliding the slide on the slide rail.
It improves the practicality of the knee replacement stent and the therapeutic effect of the surgery. The height of the stent and the angle of the knee bend can be adjusted, which can meet the different needs of the surgery and improves the effectiveness of the surgery.
Smart Images
Figure CN222444690U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, and more specifically to a knee replacement bracket. Background Art
[0002] The knee joint is an important weight-bearing joint of the lower limbs. Its structure and function are the most complex among the joints in the human body. Degenerative osteoarthritis of the knee is a common disease in the elderly. Severe knee joints require knee replacement surgery, which can relieve knee pain, improve knee function, correct knee deformities and achieve long-term stability. As a result, a variety of knee replacement surgical stents have emerged.
[0003] The existing knee replacement surgery bracket cannot adjust the height and angle of the bracket according to the needs of the operation when in use, and is not very practical. In addition, the existing knee replacement surgery bracket cannot adjust the knee bending degree when in use, which affects the treatment effect of the operation.
[0004] In summary, there is an urgent need for a knee replacement bracket that can adjust the height angle and the knee bending degree.
[0005] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Utility Model Content
[0006] The utility model aims to provide a knee joint replacement bracket, which improves the practicability of the bracket and the therapeutic effect of the operation.
[0007] The utility model provides a knee replacement bracket, comprising a side rail clamp, a connecting device, a slide rail, a slide seat and a bracket; the side rail clamp comprises a clamping block and a first locking bolt, the clamping block is provided with a side rail clamping port and a height adjustment socket; a threaded hole connected to the height adjustment socket is provided on the clamping block, the first locking bolt is connected to the threaded hole; the connecting device comprises a height adjustment plug plate, a second locking bolt and a connecting plate; a threaded hole is provided in the middle part of the side edge of the connecting plate, one end of the height adjustment plug plate is inserted into the height adjustment socket, and the other end of the height adjustment plug plate is provided with a connecting hole, the second locking bolt passes through the connecting hole and the threaded hole in the middle part of the side edge of the connecting plate to connect, and the height adjustment plug plate is vertically fixed to the connecting plate; the slide rail is fixedly connected to the top of the connecting plate, the slide seat is slidably connected to the slide rail, and the bracket is rotatably connected to the slide seat.
[0008] By adopting the above technical scheme, when in use, the side rail clamping port on the side rail clamp is clamped on the side rail of the bed; the height of the bracket is adjusted by inserting the height adjustment plug plate into the depth of the height adjustment plug port, and the height is fixed by tightening the first locking bolt; at this time, the patient places his feet on the bracket and adjusts the curvature of the knee by sliding the slide seat back and forth on the slide rail. In addition, the bracket is rotatably connected to the slide seat, so that the angle of the bracket can be adjusted to reach the optimal angle required for the operation; the adjustable height of the bracket can improve the practicality of the knee replacement bracket, and the adjustment of the knee bending angle can improve the therapeutic effect of the operation.
[0009] Furthermore, the connecting device also includes a third locking bolt and a pressure block; a threaded hole is provided on the top of the connecting plate, and a through hole is provided on the pressure block. One side of the slide rail is inserted between the pressure block and the connecting plate, and the third locking bolt passes through the through hole and the threaded hole on the connecting plate to connect and fix the slide rail to the connecting plate.
[0010] Furthermore, a track is provided on the slide rail, and the slide seat includes a positioning block, a clamping block and a fourth bolt; the positioning block and the clamping block are hinged at one end, a clamping through hole is provided at the other end of the clamping block, and a threaded hole is provided at the other end of the positioning block, and the fourth bolt passes through the clamping through hole and is connected with the threaded hole on the positioning block; a front end snap-in is provided at the bottom of the positioning block, and a rear end snap-in that cooperates with the front end snap-in is provided at the bottom of the clamping block; the front end snap-in and the rear end snap-in are correspondingly clamped on the track and are locked and fixed by the fourth bolt.
[0011] Furthermore, the bracket includes a footrest, a support rod and a ball head, the bottom of the footrest is fixedly connected to the support rod, and the other end of the support rod is fixedly connected to the ball head; a clamping groove is provided at the connection between the positioning block and the clamping block, the ball head is placed in the clamping groove and is locked and fixed by the fourth bolt.
[0012] Furthermore, the footrest includes a supporting plate and a foot sole; the supporting plate and the foot sole are vertically connected, and the support rod is connected to the connection between the supporting plate and the foot sole.
[0013] Furthermore, the support plate is in the shape of an arc plate, so as to facilitate the placement of the patient's lower leg.
[0014] Furthermore, soft pads are provided on the support plate and the foot sole, which further improves the comfort of the patient.
[0015] Furthermore, two threaded holes are provided on the connecting plate, and the two threaded holes are respectively close to two ends of the connecting plate, thereby improving the stability of the connection between the slide rail and the connecting plate.
[0016] The knee replacement bracket provided by the utility model has a side rail clamping opening on a side rail clamp that is clamped onto a side rail of a bed body when in use; the height of the bracket is adjusted by inserting a height adjustment plug plate into the depth of the height adjustment plug opening, and the height is fixed by tightening a first locking bolt; at this time, the patient places his feet on the bracket, and adjusts the curvature of the knee by sliding the slide seat back and forth on the slide rail, and in addition, the bracket is rotatably connected to the slide seat, so that the angle of the bracket can be adjusted to reach the optimal angle required for the operation; the adjustable height of the bracket can improve the practicality of the knee replacement bracket, and the adjustment of the knee bending angle can improve the therapeutic effect of the operation; in addition, the side rail clamp, the connecting device, the slide rail, the slide seat and the bracket are made of aluminum alloy or 304 stainless steel, which are easy to disinfect; the structure is simple and easy to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic structural diagram of a knee replacement bracket provided in an embodiment of the utility model.
[0018] Figure 2 for Figure 1 Schematic diagram of a mid-range knee replacement stent.
[0019] Figure 3 for Figure 1 Schematic diagram of the structure of the side rail clamp and connecting device combined in the middle knee replacement bracket.
[0020] Figure 4 for Figure 1 Schematic diagram of the structure of the combination of the slide and support rod of the knee replacement bracket.
[0021] Figure 5 for Figure 1 Schematic diagram of the structure of the stent of a knee replacement stent.
[0022] Figure 6 for Figure 1 An exploded view of a mid-knee replacement stent.
[0023] The reference numerals and components involved in the drawings are as follows:
[0024] 1. Side rail clamp 11, clamping block 12, first locking bolt
[0025] 13. Side rail clamping port 14. Height adjustment socket 2. Connecting device
[0026] 21. Height adjustment plate 22. Second locking bolt 23. Connecting plate
[0027] 24. Connecting hole 25. Third locking bolt 26. Press block
[0028] 27, through hole 3, slide rail 31, track
[0029] 4. Sliding seat 41, positioning block 42, pressing block
[0030] 43. Fourth bolt 44. Pressing through hole 45. Front end bayonet
[0031] 46, rear end bayonet 47, clamping groove 5, bracket
[0032] 51. Footrest 52. Support rod 53. Ball head
[0033] 54, pallet 55, footboard 6, bed side rail DETAILED DESCRIPTION
[0034] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0035] The terms "first", "second", "third", "fourth" and the like in the specification and claims of the present utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.
[0036] Example 1
[0037] Figure 1 This is a schematic diagram of the structure of the knee replacement bracket provided by an embodiment of the utility model. Figure 2 for Figure 1 Schematic diagram of a knee replacement stent. Figure 3 for Figure 1 Schematic diagram of the structure of the side rail clamp and the connecting device of the knee replacement bracket. Figure 4 for Figure 1 Schematic diagram of the structure of the combination of the slide and the support rod of the knee replacement bracket. Figure 5 for Figure 1 Schematic diagram of the structure of the stent of the knee replacement stent. Figure 6 for Figure 1 Exploded view of a knee replacement stent. Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6The knee replacement bracket provided by the embodiment of the utility model comprises a side rail clamp 1, a connecting device 2, a slide rail 3, a slide seat 4 and a bracket 5; the side rail clamp comprises a clamping block 11 and a first locking bolt 12, the clamping block 11 is provided with a side rail clamping port 13 and a height adjustment socket 14; the clamping block 11 is provided with a threaded hole connected to the height adjustment socket 14, the first locking bolt 12 is connected to the threaded hole; the connecting device 2 comprises a height adjustment plug plate 21, a second locking bolt 22 and a connecting plate 23; in the connecting A threaded hole is provided in the middle of the side of the connecting plate 23, one end of the height adjustment plug plate 21 is inserted into the height adjustment socket 14, and a connecting hole 24 is provided at the other end of the height adjustment plug plate 21. The second locking bolt 22 passes through the connecting hole 24 and is connected to the threaded hole in the middle of the side of the connecting plate 23, so that the height adjustment plug plate 21 is vertically fixed to the connecting plate 23; the slide rail 3 is fixedly connected to the top of the connecting plate 23, the slide seat 4 is slidably connected to the slide rail 3, and the bracket 5 is rotatably connected to the slide seat 4.
[0038] It should be noted that when the knee replacement bracket of the utility model is in use, the side rail clamping port 13 on the side rail clamp is clamped on the side rail of the bed; the height of the bracket 5 is adjusted by inserting the height adjustment plug plate 21 into the depth of the height adjustment socket 14, and the height is fixed by tightening the first locking bolt 12; at this time, the patient places his feet on the bracket 5, and adjusts the curvature of the knee by sliding the slide 4 back and forth on the slide rail 3. In addition, the bracket 5 is rotatably connected to the slide 4, so that the angle of the bracket 5 can be adjusted to reach the optimal angle required for the operation; the adjustable height of the bracket 5 can improve the practicality of the knee replacement bracket 5, and the adjustment of the knee bending angle can improve the therapeutic effect of the operation.
[0039] In addition, the side rail clamp 1, the connecting device 2, the slide rail 3, the slide seat 4 and the bracket 5 are made of aluminum alloy or 304 stainless steel, which is easy to disinfect; the structure is simple and easy to disassemble.
[0040] Further references Figure 3 The connection device 2 of the utility model also includes a third locking bolt 25 and a pressure block 26; a threaded hole is provided on the top of the connecting plate 23, and a through hole 27 is provided on the pressure block 26. One side of the slide rail 3 is inserted between the pressure block 26 and the connecting plate 23, and the third locking bolt 25 passes through the through hole 27 and is connected to the threaded hole on the connecting plate 23 to fix the slide rail 3 on the connecting plate 23.
[0041] Further references Figure 4The utility model is provided with a track 31 on the slide rail 3, and the slide seat 4 includes a positioning block 41, a clamping block 42 and a fourth bolt 43; the positioning block 41 and the clamping block 42 are hinged at one end, a clamping through hole 44 is provided at the other end of the clamping block 42, and a threaded hole is provided at the other end of the positioning block 41, and the fourth bolt 43 passes through the clamping through hole 44 and is connected with the threaded hole on the positioning block 41; a front end bayonet 45 is provided at the bottom of the positioning block 41, and a rear end bayonet 46 cooperating with the front end bayonet 45 is provided at the bottom of the clamping block 42; the front end bayonet 45 and the rear end bayonet 46 are correspondingly clamped on the track 31 and are locked and fixed by the fourth bolt 43.
[0042] like Figure 4 , Figure 5 As shown, the bracket 5 of the utility model includes a foot support 51, a support rod 52 and a ball head 53, the bottom of the foot support 51 is fixedly connected to the support rod 52, and the other end of the support rod 52 is fixedly connected to the ball head 53; a clamping groove 47 is provided at the connection between the positioning block 41 and the clamping block 42, and the ball head 53 is placed in the clamping groove 47 and is locked and fixed by the fourth bolt 43.
[0043] Specifically, the footrest 51 includes a support plate 54 and a foot sole 55; the support plate 54 and the foot sole 55 are vertically connected, and the support rod 52 is connected to the connection between the support plate 54 and the foot sole 55. The support plate 54 is in the shape of an arc plate. This facilitates the placement of the patient's calf. A cushion is provided on the support plate 54 and the foot sole 55. This further improves the comfort of the patient's placement. Two threaded holes are provided on the connecting plate 23, and the two threaded holes are respectively close to the two ends of the connecting plate 23. This improves the stability of the connection between the slide rail 3 and the connecting plate 23.
[0044] Based on the above description, it can be seen that the advantages of the utility model are:
[0045] 1. The knee replacement bracket of the utility model, when in use, the side rail clamping opening 13 on the side rail clamp is clamped on the side rail of the bed; the height of the bracket 5 is adjusted by inserting the height adjustment plug plate 21 into the depth of the height adjustment plug opening 14, and the height is fixed by tightening the first locking bolt 12; at this time, the patient puts his feet on the bracket 5, and adjusts the curvature of the knee by sliding the slide seat 4 back and forth on the slide rail 3. In addition, the bracket 5 is rotatably connected to the slide seat 4, so that the angle of the bracket 5 can be adjusted to reach the optimal angle required for the operation; the adjustable height of the bracket 5 can improve the practicality of the knee replacement bracket 5, and the adjustment of the knee bending angle can improve the therapeutic effect of the operation.
[0046] 2. The knee replacement bracket of the utility model, the side rail clamp 1, the connecting device 2, the slide rail 3, the slide seat 4 and the bracket 5 are made of aluminum alloy or 304 stainless steel, which is easy to disinfect; the structure is simple and easy to disassemble.
[0047] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A knee replacement stent, characterized in that: The invention comprises a side rail clamp (1), a connecting device (2), a slide rail (3), a slide seat (4) and a bracket (5); the side rail clamp (1) comprises a clamping block (11) and a first locking bolt (12); the clamping block (11) is provided with a side rail clamping opening (13) and a height adjustment socket (14); the clamping block (11) is provided with a threaded hole connected to the height adjustment socket (14); the first locking bolt (12) is connected to the threaded hole; The connecting device (2) comprises a height adjustment plug plate (21), a second locking bolt (22) and a connecting plate (23); A threaded hole is provided in the middle of the side of the connecting plate (23); one end of the height adjustment plug plate (21) is inserted into the height adjustment socket (14); the other end of the height adjustment plug plate (21) is provided with a connecting hole (24); the second locking bolt (22) passes through the connecting hole (24) and is connected to the threaded hole in the middle of the side of the connecting plate (23), so as to vertically fix the height adjustment plug plate (21) on the connecting plate (23); The slide rail (3) is fixedly connected to the top of the connecting plate (23), the slide seat (4) is slidably connected to the slide rail (3), and the bracket (5) is rotatably connected to the slide seat (4).
2. The knee replacement bracket according to claim 1, characterized in that: The connecting device (2) further comprises a third locking bolt (25) and a pressing block (26); A threaded hole is provided on the top of the connecting plate (23), a through hole (27) is provided on the pressing block (26), one side of the slide rail (3) is inserted between the pressing block (26) and the connecting plate (23), and the third locking bolt (25) passes through the through hole (27) and is connected to the threaded hole on the connecting plate (23), thereby fixing the slide rail (3) on the connecting plate (23).
3. The knee replacement bracket according to claim 1, characterized in that: A track (31) is provided on the slide rail (3), and the slide seat (4) comprises a positioning block (41), a pressing block (42) and a fourth bolt (43); The positioning block (41) and the clamping block (42) are hinged at one end, a clamping through hole (44) is provided at the other end of the clamping block (42), and a threaded hole is provided at the other end of the positioning block (41), and the fourth bolt (43) passes through the clamping through hole (44) and the threaded hole on the positioning block (41) to connect; A front end snap-in (45) is provided at the bottom of the positioning block (41), and a rear end snap-in (46) cooperating with the front end snap-in (45) is provided at the bottom of the pressing block (42); the front end snap-in (45) and the rear end snap-in (46) are correspondingly clamped on the track (31) and are locked and fixed by the fourth bolt (43).
4. The knee replacement bracket according to claim 3, characterized in that: The support (5) comprises a footrest (51), a support rod (52) and a ball head (53); the bottom of the footrest (51) is fixedly connected to the support rod (52), and the other end of the support rod (52) is fixedly connected to the ball head (53); A clamping groove (47) is provided at the connection between the positioning block (41) and the pressing block (42), and the ball head (53) is placed in the clamping groove (47) and is locked and fixed by the fourth bolt (43).
5. The knee replacement bracket according to claim 4, characterized in that: The footrest (51) comprises a support plate (54) and a foot sole (55); the support plate (54) and the foot sole (55) are vertically connected, and the support rod (52) is connected to the connection between the support plate (54) and the foot sole (55).
6. The knee replacement bracket according to claim 5, characterized in that: The support plate (54) is in the shape of an arc plate.
7. The knee replacement bracket according to claim 5, characterized in that: Soft pads are provided on the supporting plate (54) and the foot sole (55).
8. The knee replacement bracket according to claim 2, characterized in that: Two threaded holes are provided on the connecting plate (23), and the two threaded holes are respectively close to two ends of the connecting plate (23).