Leg supporting frame for knee arthroscopic surgery
By designing the airbag assembly of the knee arthroscopic leg support, the airbag column expands and drives the protective outer layer to provide stable and flexible support to the patient's legs, the problem that the existing leg support cannot be stable and achieves the effect of stability and height adjustment.
Patent Information
- Application Number
- CN202422271266.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-18
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-18
AI Technical Summary
The existing knee arthroscopic leg support cannot provide stable and flexible support to the patient's legs, affecting the support effect.
A knee arthroscopic surgical leg bracket including mounting components, adjustment components, bracket components and airbag components is designed. The airbag column is expanded by filling the inner cavity of the airbag layer, driving the protective outer layer to provide stable flexible support to the patient's legs, and protect the airbag column through the protective outer layer.
It realizes stable and flexible support for the patient's legs, avoids leg shaking during the operation, enhances the connection stability of the leg support frame and the medical bed, and adjusts the height of the bracket through the adjustment components.
Smart Images

Figure CN223232951U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a leg support frame for knee arthroscopic surgery. Background Art
[0002] Knee arthroscopy is a minimally invasive surgery that uses an arthroscopic approach to diagnose and treat knee joint diseases. The doctor places the arthroscopic lens into the joint cavity through an incision in the front of the knee joint and connects the arthroscope to a TV screen via optical fiber. The doctor can then use the arthroscopic approach to examine various structures within the joint, and can also perform resection and reconstruction of lesions. During the process, the patient's legs will be placed on a specific leg support.
[0003] The existing leg support frame used for knee arthroscopic surgery cannot provide stable and flexible support for the patient's legs when in use, which affects the supporting effect of the leg support frame on the patient's legs. Utility Model Content
[0004] In response to the above problems, the purpose of the present utility model is to provide a leg support for knee arthroscopy surgery to solve the problem that the patient's legs cannot be supported stably and flexibly, which affects the supporting effect of the leg support on the patient's legs. The gas in the inner cavity of the airbag layer flows into the airbag column through the air inlet, and the gas flowing into the airbag column causes it to expand and bulge, and then the expansion and bulging of the airbag column drives the protective outer layer to provide stably and flexibly support the patient's legs.
[0005] The top of the adjusting device is connected to the control stand by an adjusting device, and the bottom of the adjusting device is connected to the control stand by an adjusting device, and the control stand is connected to the control stand by an adjusting device.
[0006] The beneficial effect of the present invention is that when the inner cavity of the airbag layer is gradually filled with gas, the gas in the inner cavity of the airbag layer flows into the airbag column through the air inlet, and the gas flowing into the airbag column causes it to expand and bulge, and then the expansion and bulging of the airbag column drives the protective outer layer to provide stable and flexible support for the patient's legs. The provision of the protective outer layer is used to protect the airbag column.
[0007] To ensure the stability of the connection between the base block and the edge of the medical bed:
[0008] As a further improvement of the above technical solution: the inner wall of the sleeve is provided with an internal thread matching the threaded rod, the inner side of the jaws is connected with an anti-slip layer, and the top of the threaded rod is connected with a handwheel.
[0009] The beneficial effect of this improvement is that when in use, the jaws are clamped onto the edge of the medical bed, and then the handwheel is held and rotated. During the rotation of the handwheel, the threaded rod is driven to rotate, thereby tightly connecting the clamping plate to the edge of the medical bed. The provision of the anti-slip layer can increase the friction between the clamping plate and the edge of the medical bed, thereby ensuring the stability of the connection between the base block and the edge of the medical bed.
[0010] In order to be able to adjust the height of the pallet rack:
[0011] As a further improvement of the above technical solution: the support rod is installed on the top of the base block, the adjustment rod is slidably connected to the support rod, a number of fixing holes are opened at equal intervals on the inner side of the adjustment rod, and a fixing pin is provided at one end of the support rod.
[0012] The beneficial effect of this improvement is: through the sliding connection between the adjustment rod and the support rod, the height of the installation cross bar can be adjusted, and then the height of the pallet frame can be adjusted. The adjustment rod and the support rod are connected by the setting of the fixing pin and the fixing hole.
[0013] In order to support the pallet frame through the fixed seat:
[0014] As a further improvement of the above technical solution: a mounting groove is provided on the inner side of the fixing seat, the size of the mounting groove matches the size of the mounting cross bar, and the fixing seat is connected to the mounting cross bar through the mounting groove.
[0015] The beneficial effect of this improvement is that the cross bar is installed to fix the fixing seat, thereby supporting the pallet frame through the fixing seat.
[0016] In order to ensure the support force of the support frame and the support side frame on the pallet frame:
[0017] As a further improvement of the above technical solution: the supporting base frame is connected to the bottom of the pallet frame through a supporting arc plate, the supporting side frame is symmetrically connected to both sides of the pallet frame through a supporting arc plate, and the front cross-section of the pallet frame is an arc-shaped structure.
[0018] The beneficial effects of this improvement are: through the setting of the supporting base frame and the supporting side frame, it is used to fix and support the pallet frame, and at the same time realize the connection between the pallet frame and the fixed seat. Through the setting of the supporting arc plate, it can fit with the outer wall of the pallet frame, thereby ensuring the supporting force of the supporting base frame and the supporting side frame on the pallet frame.
[0019] To prevent the patient's legs from shaking during surgery:
[0020] As a further improvement of the above technical solution: both ends of the support frame are symmetrically connected with elastic straps, and the end of the elastic strap away from the support frame is provided with Velcro.
[0021] The beneficial effect of this improvement is that after the inflation of the airbag assembly is completed, the patient's legs are fixed by the elastic strap, thereby preventing the patient's legs from shaking during the operation.
[0022] In order for the inner cavity of the airbag layer to be gradually filled with gas and inflated:
[0023] As a further improvement of the above technical solution: the airbag layer is installed on the top of the arc-shaped wall of the support frame, and one end of the airbag layer is connected to an inflation port.
[0024] The beneficial effect of this improvement is: when in use, the output end of the micro air pump is connected to the inflation port through the air supply pipe, and then gas is input into the airbag layer. The inner cavity of the airbag layer is gradually filled with gas and expands, thereby lifting the protective outer layer.
[0025] In order to provide a firm and flexible support to the patient's legs by driving the protective outer layer through the expansion of the airbag column:
[0026] As a further improvement of the above technical solution: the end of the airbag column away from the protective outer layer penetrates the airbag layer wall and extends to the inner cavity of the airbag layer, and the end of the airbag column away from the protective outer layer is provided with an air inlet.
[0027] The beneficial effect of this improvement is: when the inner cavity of the airbag layer is gradually filled with gas, the gas in the inner cavity of the airbag layer flows into the airbag column through the air inlet, and the gas flowing into the airbag column causes it to expand and bulge, and then the expansion and bulging of the airbag column drives the protective outer layer to provide stable and flexible support for the patient's legs. The setting of the protective outer layer is used to protect the airbag column. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1It is a structural schematic diagram of the fixing seat of the utility model.
[0029] Figure 2 It is a front structural schematic diagram of the present utility model.
[0030] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.
[0031] Figure 4 It is a structural schematic diagram of the jaw plate of the utility model.
[0032] Figure 5 This is a schematic diagram of the cross-sectional structure of the airbag layer of the utility model.
[0033] In the figure: 1. Installation assembly; 11. Base block; 12. Jaw plate; 13. Anti-slip layer; 14. Handwheel; 15. Threaded rod; 16. Socket; 17. Mounting plate; 18. Pressing plate; 19. Sleeve groove; 2. Adjustment assembly; 21. Support rod; 22. Fixing pin; 23. Mounting cross bar; 24. Adjustment rod; 25. Fixing hole; 3. Bracket assembly; 31. Fixing seat; 32. Mounting groove; 33. Support base frame; 34. Support side frame; 35. Support arc plate; 36. Support plate frame; 37. Elastic strap; 4. Airbag assembly; 41. Airbag layer; 42. Protective outer layer; 43. Airbag column; 44. Air inlet; 45. Inflation port. DETAILED DESCRIPTION
[0034] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention.
[0035] like Figure 1-5As shown, a leg support for knee arthroscopic surgery includes a mounting assembly 1, an adjustment assembly 2, a bracket assembly 3, and an airbag assembly 4. The mounting assembly 1 includes a base block 11, the adjustment assembly 2 includes a support rod 21, the bracket assembly 3 includes a fixing seat 31, and the airbag assembly 4 includes an airbag layer 41. One end of the base block 11 is connected to a tiger's mouth plate 12, and a sleeve groove 19 is provided on the inner side of the tiger's mouth plate 12. A sleeve groove 19 is provided, and a sleeve tube 16 is connected to the inner wall of the sleeve groove 19. A threaded rod 15 is provided on the inner side of the sleeve tube 16. The bottom of the threaded rod 15 is connected to a mounting plate 17. The end of the mounting plate 17 away from the threaded rod 15 is connected to a pressing plate 18. The inner side of the support rod 21 is provided with an adjustment The section rod 24, the top of the adjusting rod 24 is connected to the mounting cross bar 23, the top of the fixing seat 31 is connected to the support base 33 and the support side frame 34, the end of the support base 33 away from the fixing seat 31 is connected to the support arc plate 35, the end of the support arc plate 35 away from the support side frame 34 is connected to the support plate frame 36, one end of the airbag layer 41 is connected to the protective outer layer 42, the inner side of the protective outer layer 42 is provided with an airbag column 43, the inner wall of the sleeve 16 is provided with an internal thread matching the threaded rod 15, the inner side of the tiger's mouth plate 12 is connected to the anti-slip layer 13, and the top of the threaded rod 15 is connected to the hand wheel 14; when in use, the tiger's mouth plate 12 is clamped on the edge of the medical bed, and then held The handwheel 14 is rotated, and the handwheel 14 drives the rotation of the threaded rod 15 during the rotation process, thereby making the pressing plate 18 tightly connected to the edge of the medical bed. The anti-slip layer 13 is provided to increase the friction between it and the edge of the medical bed, thereby ensuring the stability of the connection between the base block 11 and the edge of the medical bed. The support rod 21 is installed on the top of the base block 11, and the adjusting rod 24 is slidably connected to the support rod 21. A plurality of fixing holes 25 are evenly spaced on the inner side of the adjusting rod 24, and a fixing pin 22 is provided at one end of the support rod 21; the sliding connection between the adjusting rod 24 and the support rod 21 is used to adjust the height of the mounting cross bar 23, thereby adjusting the height of the support plate frame 36. The adjustment is performed by setting the fixing pin 22 and the fixing hole 25 to connect the adjusting rod 24 to the support rod 21. A mounting groove 32 is provided on the inner side of the fixing seat 31. The size of the mounting groove 32 matches the size of the mounting cross bar 23. The fixing seat 31 is connected to the mounting cross bar 23 through the mounting groove 32; the setting of the mounting cross bar 23 is used to fix the fixing seat 31, and then the support of the support plate frame 36 is achieved through the fixing seat 31. The supporting base frame 33 is connected to the bottom of the support plate frame 36 through the supporting arc plate 35. The supporting side frame 34 is symmetrically connected to both sides of the support plate frame 36 through the supporting arc plate 35. The front cross section of the support plate frame 36 is an arc-shaped structure.The support base 33 and the support side frame 34 are provided to fix and support the support plate frame 36, and at the same time realize the connection between the support plate frame 36 and the fixing seat 31. The support arc plate 35 is provided to fit with the outer wall of the support plate frame 36, thereby ensuring the supporting force of the support base 33 and the support side frame 34 on the support plate frame 36. The two ends of the support plate frame 36 are symmetrically connected with elastic straps 37, and the end of the elastic strap 37 away from the support plate frame 36 is provided with Velcro; after completing the inflation of the airbag assembly 4, the patient's legs are fixed by the elastic strap 37, thereby preventing the patient's legs from shaking during the operation, and the airbag layer 41 is installed on the top of the arc-shaped wall of the support plate frame 36, and one end of the airbag layer 41 is connected to the inflation port 45; when in use, the output of the micro air pump is The end is connected to the inflation port 45 via an air supply tube, and then gas is introduced into the airbag layer 41. The inner cavity of the airbag layer 41 is gradually filled with gas and expands, thereby lifting the protective outer layer 42. The end of the airbag column 43 away from the protective outer layer 42 penetrates the wall of the airbag layer 41 and extends into the inner cavity of the airbag layer 41. The end of the airbag column 43 away from the protective outer layer 42 is provided with an air inlet 44. When the inner cavity of the airbag layer 41 is gradually filled with gas, the gas in the inner cavity of the airbag layer 41 flows into the airbag column 43 through the air inlet 44. The gas flowing into the airbag column 43 causes it to expand and bulge. The expansion and swelling of the airbag column 43 then drives the protective outer layer 42 to provide stable and flexible support for the patient's legs. The provision of the protective outer layer 42 is used to protect the airbag column 43.
[0036] The working principle of the present invention is as follows: when in use, the jaw plate 12 is clamped on the edge of the medical bed, and then the hand wheel 14 is held and rotated. During the rotation of the hand wheel 14, the threaded rod 15 is driven to rotate, thereby making the pressing plate 18 tightly connected with the edge of the medical bed. The anti-slip layer 13 is provided to increase the friction between it and the edge of the medical bed, thereby ensuring the stability of the connection between the base block 11 and the edge of the medical bed. The sliding connection between the adjusting rod 24 and the support rod 21 is used to adjust the height of the mounting cross bar 23, thereby adjusting the height of the support plate frame 36. The setting of the fixing pin 22 and the fixing hole 25 is used to connect the adjusting rod 24 with the support rod 21. The setting of the mounting cross bar 23 is used to install and fix the fixing seat 31, thereby supporting the support plate frame 36 through the fixing seat 31. The output end of the micro air pump is connected to the inflation port 45 through the air supply pipe, and then gas is input into the air bag layer 41. The air bag layer 4 The inner cavity of the airbag layer 41 is gradually filled with gas and expands, thereby lifting the protective outer layer 42. When the inner cavity of the airbag layer 41 is gradually filled with gas, the gas in the inner cavity of the airbag layer 41 flows into the airbag column 43 through the air inlet 44. The gas flowing into the airbag column 43 causes it to expand and bulge, and then the expansion and bulging of the airbag column 43 drives the protective outer layer 42 to provide stable and flexible support for the patient's legs. The setting of the protective outer layer 42 is used to protect the airbag column 43. After completing the inflation of the airbag assembly 4, the patient's legs are fixed by the elastic strap 37 to prevent the patient's legs from shaking during the operation. The support base 33 and the support side frame 34 are set to fix and support the pallet frame 36, and at the same time realize the connection between the pallet frame 36 and the fixed seat 31. The support arc plate 35 is set to fit with the outer wall of the pallet frame 36, thereby ensuring the supporting force of the support base 33 and the support side frame 34 on the pallet frame 36.
[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0038] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation method of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the scope of protection of the present utility model.
Claims
1. A leg support for knee arthroscopic surgery, comprising a mounting assembly (1), an adjustment assembly (2), a bracket assembly (3), and an airbag assembly (4), wherein the mounting assembly (1) comprises a base block (11), the adjustment assembly (2) comprises a support rod (21), the bracket assembly (3) comprises a fixing seat (31), and the airbag assembly (4) comprises an airbag layer (41), characterized in that: One end of the base block (11) is connected to a jaw plate (12), the inner side of the jaw plate (12) is provided with a sleeve groove (19), the inner wall of the sleeve groove (19) is connected to a sleeve tube (16), the inner side of the sleeve tube (16) is provided with a threaded rod (15), the bottom of the threaded rod (15) is connected to a mounting plate (17), the end of the mounting plate (17) away from the threaded rod (15) is connected to a pressing plate (18), the inner side of the support rod (21) is provided with an adjusting rod (24), The top of the adjusting rod (24) is connected to a mounting crossbar (23), the top of the fixing seat (31) is connected to a supporting base frame (33) and a supporting side frame (34), the end of the supporting base frame (33) away from the fixing seat (31) is connected to a supporting arc plate (35), the end of the supporting arc plate (35) away from the supporting side frame (34) is connected to a supporting plate frame (36), one end of the airbag layer (41) is connected to a protective outer layer (42), and an airbag column (43) is provided on the inner side of the protective outer layer (42).
2. A leg support for knee arthroscopic surgery according to claim 1, characterized in that: The inner wall of the sleeve (16) is provided with an internal thread matching the threaded rod (15); the inner side of the jaw plate (12) is connected with an anti-slip layer (13); and the top of the threaded rod (15) is connected with a hand wheel (14).
3. The leg support for knee arthroscopic surgery according to claim 1, characterized in that: The support rod (21) is installed on the top of the base block (11), the adjustment rod (24) is slidably connected to the support rod (21), a plurality of fixing holes (25) are opened at equal intervals on the inner side of the adjustment rod (24), and a fixing pin (22) is provided at one end of the support rod (21).
4. A leg support for knee arthroscopic surgery according to claim 1, characterized in that: An installation groove (32) is provided on the inner side of the fixing seat (31), the size of the installation groove (32) matches the size of the installation cross bar (23), and the fixing seat (31) is connected to the installation cross bar (23) through the installation groove (32).
5. The leg support for knee arthroscopic surgery according to claim 1, characterized in that: The supporting base frame (33) is connected to the bottom of the supporting frame (36) through the supporting arc plate (35), and the supporting side frame (34) is symmetrically connected to both sides of the supporting frame (36) through the supporting arc plate (35). The front cross section of the supporting frame (36) is an arc-shaped structure.
6. The leg support for knee arthroscopic surgery according to claim 1, characterized in that: Both ends of the support plate frame (36) are symmetrically connected with elastic bands (37), and one end of the elastic band (37) away from the support plate frame (36) is provided with a Velcro.
7. The leg support for knee arthroscopic surgery according to claim 1, characterized in that: The airbag layer (41) is installed on the top of the arc-shaped wall of the support frame (36), and one end of the airbag layer (41) is connected to an inflation port (45).
8. The leg support for knee arthroscopic surgery according to claim 1, characterized in that: One end of the airbag column (43) away from the protective outer layer (42) penetrates the wall of the airbag layer (41) and extends to the inner cavity of the airbag layer (41); and an air inlet (44) is provided at one end of the airbag column (43) away from the protective outer layer (42).