A detachable rehabilitation orthotic device after lumbar surgery

Abstract

The application discloses a detachable rehabilitation orthopedic device after lumbar surgery and relates to the technical field of medical equipment.The detachable rehabilitation orthopedic device after lumbar surgery comprises a fixed back pad, a support frame and a mounting assembly, a connecting plate is inserted into a connecting groove of a mounting block, the connecting plate extrudes a moving rod, the moving rod drives a limiting wedge to pass through a limiting opening and enter a limiting groove on the side of the connecting plate, thereby locking the connecting plate, the arc-shaped plate is attached to the mounting block, the fixed back pad is stably mounted on the support frame, the extrusion plate is manually moved upward, the limiting wedge is withdrawn from the limiting groove, the locking of the connecting plate is released, the connecting plates are sequentially released, the connecting plate is moved out of the connecting groove, the fixed back pad is detached for cleaning or replacement, and the new fixed back pad is reinstalled for use.The detachable rehabilitation orthopedic device after lumbar surgery can realize the quick installation and stable locking of the fixed back pad on the support frame, can conveniently release the limiting and detach the fixed back pad by manually moving the extrusion plate, can facilitate the cleaning or replacement of the fixed back pad, and can ensure the continuous orthopedic support effect on the waist and back of a patient.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, specifically to a detachable rehabilitation orthotic device after lumbar spine surgery. Background Technology

[0002] Patients after lumbar spine surgery typically require external orthotic devices to stabilize and support their lower back, limiting spinal movement, promoting healing, and preventing postoperative deformities. Existing rehabilitation orthotic devices generally consist of a fixed back pad that conforms to the patient's back and a rigid support frame that provides support, usually connected by screws, straps, or buckles. However, the postoperative recovery period is long, and the fixed back pad is in constant contact with the skin, easily accumulating sweat, skin flakes, or exudates, requiring regular disassembly and cleaning to maintain hygiene. Additionally, the fixed back pad needs to be replaced when it is worn or the size is no longer suitable.

[0003] Existing devices are cumbersome to disassemble and install, often requiring tools to loosen multiple sets of fasteners one by one, and it is difficult to achieve quick and stable repositioning, resulting in low efficiency in cleaning or replacement, and even affecting the continuity of orthopedic treatment. In addition, when some devices are reinstalled after the back pad is removed, the support position is prone to shift, which cannot guarantee a continuous and precise orthopedic support effect for the patient's lumbar and back.

[0004] Therefore, there is an urgent need for a postoperative rehabilitation orthotic device for lumbar spine that can achieve quick assembly and disassembly, stable locking, and easy cleaning and replacement between the fixed back pad and the support frame. Summary of the Invention

[0005] The purpose of this invention is to provide a lumbar spine postoperative rehabilitation orthotic device that enables quick assembly and disassembly, stable locking, and easy cleaning and replacement between the fixed back pad and the support frame. This solves the problem in the prior art that orthotic devices are difficult to reposition quickly and stably, resulting in low cleaning or replacement efficiency and even affecting the continuity of orthotic treatment. In some cases, the support position is prone to shift when the back pad is removed and reinstalled.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a detachable rehabilitation orthotic device for lumbar spine surgery, comprising a fixed back pad, a support frame, and an installation assembly, wherein the support frame is composed of several support units, and each support unit includes an installation frame and a connecting block, wherein the connecting block is fixedly installed on the installation frame;

[0007] The installation assembly includes an installation block, a connecting plate, an arc-shaped plate, a moving rod, and a fixing mechanism. The fixing mechanism includes a limiting wedge and a moving pressing plate. The installation block is fixedly connected to the connecting block. A plurality of arc-shaped plates are fixedly installed on the back of the fixing back pad. The arc-shaped plates are fixedly connected to the connecting plate. A connecting groove is provided on the side of the installation block. Part of the moving rod is located in the connecting groove. A limiting opening is provided on the rear end face of the installation block. A limiting groove is provided on the side of the connecting plate. The moving pressing plate is located below the limiting wedge.

[0008] The connecting plate can move into the connecting groove and press the moving rod. When the connecting plate is fully inside the connecting groove, the moving rod is pressed and moved, which can drive the limiting wedge to move. The limiting wedge can move through the limiting opening and into the limiting groove, fixing the position of the connecting plate and the arc plate, and fixing the back pad on the support frame. When the moving pressing plate moves vertically upward, the movement of the moving pressing plate can move the limiting wedge out of the limiting groove, releasing the fixation of the connecting plate.

[0009] Furthermore, the mounting assembly also includes a connecting rod, a linkage plate, a return spring, and a spring mounting plate. The spring mounting plate is fixedly sleeved on the moving rod. One end of the return spring is fixedly connected to the spring mounting plate, and the other end is fixedly connected to the mounting block. One end of the moving rod passes through the mounting block and enters the connecting groove. The linkage plate is slidably mounted on the rear end face of the mounting block. One end of the connecting rod is fixedly connected to the moving rod, and the other end is fixedly connected to the linkage plate.

[0010] Furthermore, the fixing mechanism also includes a movable rack, a transmission gear, a gear mounting plate, and a limiting rack. The movable rack is fixedly connected to the connecting plate. The gear mounting plate is fixedly mounted on the rear end face of the mounting block. The transmission gear is rotatably mounted on the top surface of the gear mounting plate. The movable rack meshes with the transmission gear. The limiting rack is slidably mounted on the top surface of the gear mounting plate and meshes with the transmission gear.

[0011] Furthermore, the fixing mechanism also includes a limiting spring, a limiting connecting rod, and a limiting moving plate. The limiting wedge is slidably mounted on the side of the limiting rack, and a limiting fixing plate is fixedly mounted on the side of the limiting rack. One end of the limiting spring is fixedly connected to the limiting wedge, and the other end is fixedly connected to the limiting fixing plate. One end of the limiting connecting rod slides through the limiting fixing plate and is fixedly connected to the limiting wedge, and the other end is fixedly connected to the limiting moving plate. The limiting moving plate is slidably mounted on the side of the limiting rack, and a movable pressing plate is slidably mounted on the side of the limiting rack. The movable pressing plate is located between the limiting moving plate and the limiting fixing plate.

[0012] Furthermore, the support unit also includes a rotation adjustment block, a self-locking damper, a rotation link, and a back support frame. The rotation adjustment block is rotatably mounted on the top of the mounting frame. One end of the rotation link is rotatably mounted on the bottom of the mounting frame, and the other end is rotatably connected to the rotation adjustment block of another set of support units located below. The output end of the self-locking damper is fixedly connected to the mounting frame, and the self-locking damper is rotatably connected to the rotation adjustment block of another set of support units located below.

[0013] Furthermore, several fastening straps are fixedly installed on both sides of the fixed back pad.

[0014] Furthermore, the side of the movable extrusion plate closest to the limiting movable plate is inclined, and a movable lever is fixedly installed on the front end face of the movable extrusion plate.

[0015] Furthermore, several loop fasteners are fixedly installed on the back of the fixed back pad, and hook fasteners are fixedly installed on the side of the back pad support near the fixed back pad.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] Place the fixed back pad on the front of the support frame. Install the connecting plate into the connecting groove of the mounting block. When the connecting plate is fully inserted into the connecting groove, the moving rod moves due to the pressure of the connecting plate. The moving rod drives the limiting wedge to move, and the limiting wedge moves through the limiting opening and into the limiting groove, fixing the position of the connecting plate and the arc plate. The arc plate is fixed in position and fits against the mounting block, thus fixing the fixed back pad on the support frame. The fixed back pad is then fixed to the patient's back, and the support frame provides orthopedic support for the patient's lumbar and back. When the fixed back pad needs cleaning, manually move the compression plate vertically upward. Moving the compression plate will cause the limiting wedge to... Remove the limiting groove and release the fixing of the connecting plate. After releasing the limiting of each group of connecting plates and mounting blocks in sequence, remove the connecting plate from the connecting groove, remove the fixing back pad from the mounting frame, install the new fixing back pad on the support frame, and re-fix the patient's lumbar back. Then clean the removed fixing back pad. Through the cooperative structure of the connecting plate, moving rod and limiting wedge, the fixing back pad can be quickly installed and stably locked on the support frame. At the same time, the limiting can be released and the fixing back pad can be easily disassembled by manually moving the squeezing plate, which is convenient for cleaning or replacing the fixing back pad and ensuring the continuous orthopedic support effect for the patient's lumbar back.

[0018] Before installing the fixed back pad, rotate the mounting frame up and down to adjust the position of the connecting block, thereby adjusting the position of the mounting block and the support position and angle of the arc plate for the patient's lumbar and back. After adjustment, lock the self-locking damper, rotate the adjusting block left and right to adjust the position of the next set of mounting frames. After adjustment, use a screwdriver to tighten the bolts at the connection between the rotating adjusting block and the mounting frame to adjust the mounting frames of each support unit. The support frame can be adjusted according to the usage needs of different patients to fit the patient's lumbar and back as closely as possible, improving the comfort and applicability of the support frame. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0020] Figure 1 This is one of the partial structural schematic diagrams provided in the embodiments of the present invention;

[0021] Figure 2 This is a schematic diagram of the overall structure provided in an embodiment of the present invention;

[0022] Figure 3 This is a second partial structural schematic diagram provided in an embodiment of the present invention;

[0023] Figure 4 This is the third partial structural schematic diagram provided for an embodiment of the present invention;

[0024] Figure 5 This is the fourth partial structural schematic diagram provided for an embodiment of the present invention;

[0025] Figure 6 Fifth partial structural schematic diagram provided for an embodiment of the present invention;

[0026] Figure 7 This is an embodiment of the present invention. Figure 1 Enlarged schematic diagram of the structure at point A;

[0027] Figure 8 This is an embodiment of the present invention. Figure 4 Enlarged schematic diagram of the structure at point B.

[0028] Explanation of reference numerals in the attached figures:

[0029] 1. Fixed back pad; 101. Fixed strap; 2. Support frame; 21. Support unit; 2101. Mounting frame; 2102. Connecting block; 2103. Rotation adjustment block; 2104. Self-locking damper; 2105. Rotation connecting rod; 2106. Back pad support frame; 3. Mounting assembly; 301. Mounting block; 302. Connecting plate; 303. Arc plate; 304. Moving rod; 305. Connecting rod; 306. Linkage plate; 307. Return spring; 308. Spring mounting plate; 31. Fixing mechanism; 3101. Limiting wedge; 3102. Moving pressing plate; 3103. Moving rack; 3104. Transmission gear; 3105. Gear mounting plate; 3106. Limiting rack; 3107. Limiting spring; 3108. Limiting connecting rod; 3109. Limiting moving plate; 3110. Limiting fixing plate. Detailed Implementation

[0030] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0031] As attached Figure 1 To be continued Figure 8 As shown:

[0032] Example 1:

[0033] This invention provides a detachable rehabilitation orthotic device for lumbar spine surgery, including a fixed back pad 1, a support frame 2 and an installation component 3. The support frame 2 is composed of several support units 21. Each support unit 21 includes an installation frame 2101 and a connecting block 2102. The connecting block 2102 is fixedly installed on the installation frame 2101.

[0034] The mounting assembly 3 includes a mounting block 301, a connecting plate 302, an arc plate 303, a moving rod 304, and a fixing mechanism 31. The fixing mechanism 31 includes a limiting wedge 3101 and a moving pressing plate 3102. The mounting block 301 is fixedly connected to the connecting block 2102. Several arc plates 303 are fixedly installed on the back of the fixing back pad 1. The arc plates 303 are fixedly connected to the connecting plate 302. A connecting groove is opened on the side of the mounting block 301. Part of the moving rod 304 is located in the connecting groove. A limiting opening is opened on the rear end face of the mounting block 301. A limiting groove is opened on the side of the connecting plate 302. The moving pressing plate 3102 is located below the limiting wedge 3101.

[0035] The connecting plate 302 can move into the connecting groove and press the moving rod 304. When the connecting plate 302 is fully inside the connecting groove, the moving rod 304 is pressed and moved, which can drive the limiting wedge 3101 to move. The limiting wedge 3101 can move through the limiting opening and enter the limiting groove, so that the position of the connecting plate 302 is fixed, thereby fixing the fixing back pad 1 on the support frame 2. When the moving pressing plate 3102 moves vertically upward, the movement of the moving pressing plate 3102 can move the limiting wedge 3101 out of the limiting groove, releasing the fixation of the connecting plate 302.

[0036] In use, the fixed back pad 1 is placed in front of the support frame 2, and the connecting plate 302 is installed into the connecting groove of the mounting block 301. When the connecting plate 302 is fully inserted into the connecting groove, the moving rod 304 moves due to the pressure of the connecting plate 302. The moving rod 304 drives the limiting wedge 3101 to move. The limiting wedge 3101 moves through the limiting opening and into the limiting groove, fixing the position of the connecting plate 302 and the arc plate 303. The arc plate 303 is fixed in position and fits against the mounting block 301, so that the fixed back pad 1 is fixedly installed on the support frame 2. The fixed back pad 1 is fixed to the patient's back, and the support frame 2 provides orthopedic support for the patient's lumbar and back. When the fixed back pad 1 needs to be cleaned, the compression plate 3102 is manually moved vertically upward. The movement of the compression plate 3102 can... The limiting wedge 3101 can be moved out of the limiting groove to release the fixation of the connecting plate 302. After releasing the limiting of each group of connecting plates 302 and mounting blocks 301 in sequence, the connecting plate 302 is moved out of the connecting groove, the fixing back pad 1 is removed from the mounting frame 2101, and the new fixing back pad 1 is installed on the support frame 2 to re-fix the patient's lumbar back. Then the removed fixing back pad 1 is cleaned. Through the cooperative structure of the connecting plate 302, the moving rod 304 and the limiting wedge 3101, the fixing back pad 1 can be quickly installed and stably locked on the support frame 2. At the same time, the limiting can be released and the fixing back pad can be easily disassembled by manually moving the squeezing plate 3102, which is convenient for cleaning or replacing the fixing back pad 1, ensuring the continuous orthopedic support effect for the patient's lumbar back.

[0037] Example 2:

[0038] This embodiment is basically the same as the previous embodiment, except that the mounting assembly 3 also includes a connecting rod 305, a linkage plate 306, a return spring 307, and a spring mounting plate 308. The spring mounting plate 308 is fixedly sleeved on the moving rod 304. One end of the return spring 307 is fixedly connected to the spring mounting plate 308, and the other end is fixedly connected to the mounting block 301. One end of the moving rod 304 passes through the mounting block 301 and enters the connecting groove. The linkage plate 306 is slidably mounted on the rear end face of the mounting block 301. One end of the connecting rod 305 is fixedly connected to the moving rod 304, and the other end is fixedly connected to the linkage plate 306.

[0039] The fixing mechanism 31 also includes a movable rack 3103, a transmission gear 3104, a gear mounting plate 3105, and a limiting rack 3106. The movable rack 3103 is fixedly connected to the connecting plate 306. The gear mounting plate 3105 is fixedly mounted on the rear end face of the mounting block 301. The transmission gear 3104 is rotatably mounted on the top surface of the gear mounting plate 3105. The movable rack 3103 meshes with the transmission gear 3104. The limiting rack 3106 is slidably mounted on the top surface of the gear mounting plate 3105 and meshes with the transmission gear 3104. The fixing mechanism 31 also includes a limiting spring 3107, a limiting connecting rod 3108, and a limiting movable plate 3109. The limiting wedge 3101 is slidably mounted on the side of the limiting rack 3106. A limiting plate 3110 is fixedly installed on the side of the 06. One end of the limiting spring 3107 is fixedly connected to the limiting wedge 3101, and the other end is fixedly connected to the limiting plate 3110. One end of the limiting connecting rod 3108 slides through the limiting plate 3110 and is fixedly connected to the limiting wedge 3101. The other end is fixedly connected to the limiting moving plate 3109. The limiting moving plate 3109 is slidably installed on the side of the limiting rack 3106. The moving pressing plate 3102 is slidably installed on the side of the limiting rack 3106. The moving pressing plate 3102 is located between the limiting moving plate 3109 and the limiting plate 3110. The side of the moving pressing plate 3102 closest to the limiting moving plate 3109 is inclined. A moving lever is fixedly installed on the front end face of the moving pressing plate 3102.

[0040] In use, when the connecting plate 302 enters the connecting groove and presses the moving rod 304, the moving rod 304 moves. The movement of the moving rod 304 drives the connecting plate 306 to move through the connecting rod 305. The return spring 307 extends. The movement of the connecting plate 306 drives the moving rack 3103 to move. The movement of the moving rack 3103 drives the transmission gear 3104 to rotate. The rotation of the transmission gear 3104 drives the limiting rack 3106 to move. The limiting rack 3106 drives the limiting wedge 3101 to move. The limiting wedge 3101 passes through the limiting opening and enters the limiting groove, thus fixing the position of the connecting plate 302.

[0041] When the fixed back pad 1 is disassembled, the moving lever is manually pushed. The moving lever drives the moving pressing plate 3102 to move upward. The moving pressing plate 3102 moves and presses the limiting moving plate 3109, causing the limiting moving plate 3109 to move away from the connecting plate 302. The movement of the limiting moving plate 3109 drives the limiting wedge block 3101 to move out of the limiting groove through the limiting connecting rod 3108. The limiting spring 3107 is compressed, and the connecting plate 302 is released from fixation. After the connecting plate 302 moves out of the connecting groove, the reset spring 307 resets and drives the connecting plate 306 to move. The movement of the connecting plate 306 drives the limiting rack 3106 to move and reset. The moving pressing plate 3102 releases the pressure on the limiting moving plate 3109. The reset spring 3107 drives the limiting wedge block 3101 to move and reset.

[0042] Example 3:

[0043] This embodiment is basically the same as the previous embodiment, except that the support unit 21 also includes a rotation adjustment block 2103, a self-locking damper 2104, a rotation connecting rod 2105, and a back pad support 2106. The rotation adjustment block 2103 is rotatably mounted on the top of the mounting frame 2101. One end of the rotation connecting rod 2105 is rotatably mounted on the bottom of the mounting frame 2101, and the other end is rotatably connected to the rotation adjustment block 2103 of another set of support units 21 located below. The output end of the self-locking damper 2104 is fixedly connected to the mounting frame 2101, and the self-locking damper 2104 is rotatably connected to the rotation adjustment block 2103 of another set of support units 21 located below.

[0044] Several fastening straps 101 are fixedly installed on both sides of the fixed back pad 1, and several hook and loop fasteners are fixedly installed on the back of the fixed back pad 1. Hook and loop fasteners are fixedly installed on the side of the back pad support 2106 near the fixed back pad 1.

[0045] Before installing the fixed back pad 1, rotate the mounting bracket 2101 up and down to adjust the position of the connecting block 2102, thereby adjusting the position of the mounting block 301. This adjusts the support position and angle of the arc plate 303 on the patient's lower back. After adjustment, lock the self-locking damper 2104 and rotate the adjusting block 2103 left and right to adjust the position of the next set of mounting brackets 2101. After adjustment, tighten the bolts at the connection between the rotating adjusting block 2103 and the mounting bracket 2101 with a screwdriver to adjust the mounting brackets 2101 of each support unit 21. The support frame 2 can be adjusted according to the usage needs of different patients to fit the patient's lower back as closely as possible, improving the comfort and applicability of the support frame 2.

[0046] After the connecting plate 302 is fixedly connected to the mounting block 301, the hook-and-loop fastener on the back of the fixed back pad 1 is attached to the hook-and-loop fastener on the back pad support 2106 to form a hook-and-loop fastener, so that the fixed back pad 1 is installed on the support frame 2 and the fastening strap 101 is tied to the patient's torso, so that the fixed back pad 1 and the support frame 2 are fixed on the patient's back.

[0047] The sliding and rotating installation methods used in this invention are both clearance fits, and each moving part remains stationary when no external force is applied, and can only move relative to each other when an external force is applied.

[0048] Working principle:

[0049] Before installing the fixed back pad 1, rotate the mounting bracket 2101 up and down, adjust the position of the connecting block 2102 to adjust the position of the mounting block 301, thereby adjusting the support position and support angle of the arc plate 303 for the patient's waist and back. After the adjustment is completed, lock the self-locking damper 2104, rotate the adjusting block 2103 left and right to adjust the position of the next set of mounting brackets 2101. After the adjustment is completed, tighten the bolts at the connection between the rotating adjusting block 2103 and the mounting bracket 2101 with a screwdriver to adjust the mounting brackets 2101 of each support unit 21. The support bracket 2 can be adjusted according to the usage needs of different patients to fit the patient's waist and back as closely as possible.

[0050] Place the fixed back pad 1 on the front side of the support frame 2, and install the connecting plate 302 into the connecting groove of the mounting block 301. When the connecting plate 302 enters the connecting groove and presses against the moving rod 304, the moving rod 304 moves. The movement of the moving rod 304 drives the connecting plate 306 to move via the connecting rod 305. The return spring 307 extends, and the movement of the connecting plate 306 drives the moving rack 3103 to move. The movement of the moving rack 3103 drives the transmission gear 3104 to rotate. The rotation of the transmission gear 3104... The movement of the limiting rack 3106 causes the limiting wedge 3101 to move. The limiting wedge 3101 passes through the limiting opening and enters the limiting groove, fixing the position of the connecting plate 302 and the arc plate 303. The arc plate 303 is fixed in position and fits against the mounting block 301, thus fixing the fixing back pad 1 onto the support frame 2. After the connecting plate 302 and the mounting block 301 are fixedly connected, the hook-and-loop fastener on the back of the fixing back pad 1 fits against the hook-and-loop fastener on the back pad support frame 2106, forming a hook-and-loop fastener. Fasten the back support 1 onto the support frame 2, and secure the fastening strap 101 to the patient's torso, thus fixing the back support 1 and the support frame 2 to the patient's back. The support frame 2 provides orthopedic support for the patient's lower back. When the back support 1 needs cleaning, manually push the moving lever. The moving lever moves the moving compression plate 3102 upward, which in turn moves the limiting moving plate 3109 away from the connecting plate 302, thus limiting the displacement. The moving plate 3109 moves, causing the limiting wedge block 3101 to move out of the limiting groove via the limiting connecting rod 3108. The limiting spring 3107 is compressed, and the connecting plate 302 is released from its fixed position. After the connecting plate 302 moves out of the connecting groove, the reset spring 307 resets and causes the connecting plate 306 to move. The moving plate 306 moves and causes the limiting rack 3106 to move and reset. The moving pressing plate 3102 releases the pressure on the limiting moving plate 3109. The reset spring 3107 resets and causes the limiting wedge block 3101 to move and reset.

[0051] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A detachable rehabilitation orthotic device for lumbar spine surgery, comprising a fixed back pad (1), a support frame (2), and an installation assembly (3), characterized in that, The support frame (2) is composed of several support units (21), each support unit (21) including a mounting frame (2101) and a connecting block (2102), the connecting block (2102) being fixedly mounted on the mounting frame (2101); The installation assembly (3) includes an installation block (301), a connecting plate (302), an arc plate (303), a moving rod (304), and a fixing mechanism (31). The fixing mechanism (31) includes a limiting wedge (3101) and a moving pressing plate (3102). The installation block (301) is fixedly connected to the connecting block (2102). Several arc plates (303) are fixedly installed on the back of the fixing back pad (1). The arc plates (303) are fixedly connected to the connecting plate (302). A connecting groove is provided on the side of the installation block (301). Part of the moving rod (304) is located in the connecting groove. A limiting opening is provided on the rear end face of the installation block (301). A limiting groove is provided on the side of the connecting plate (302). The moving pressing plate (3102) is located below the limiting wedge (3101). The connecting plate (302) can move into the connecting groove and squeeze the moving rod (304). When the connecting plate (302) is fully inside the connecting groove, the moving rod (304) is squeezed and moved, which can drive the limiting wedge (3101) to move. The limiting wedge (3101) can move through the limiting opening and enter the limiting groove, so that the position of the connecting plate (302) is fixed and the position of the arc plate (303) is fixed, so that the fixing back pad (1) is fixedly installed on the support frame (2). When the moving squeezing plate (3102) moves vertically upward, the movement of the moving squeezing plate (3102) can move the limiting wedge (3101) out of the limiting groove and release the fixation of the connecting plate (302).

2. The detachable rehabilitation orthotic device for lumbar spine surgery according to claim 1, characterized in that, The mounting assembly (3) further includes a connecting rod (305), a linkage plate (306), a return spring (307), and a spring mounting plate (308). The spring mounting plate (308) is fixedly sleeved on the moving rod (304). One end of the return spring (307) is fixedly connected to the spring mounting plate (308), and the other end is fixedly connected to the mounting block (301). One end of the moving rod (304) passes through the mounting block (301) and enters the connecting groove. The linkage plate (306) is slidably mounted on the rear end face of the mounting block (301). One end of the connecting rod (305) is fixedly connected to the moving rod (304), and the other end is fixedly connected to the linkage plate (306).

3. The detachable rehabilitation orthotic device for lumbar spine surgery according to claim 2, characterized in that, The fixing mechanism (31) further includes a movable rack (3103), a transmission gear (3104), a gear mounting plate (3105), and a limiting rack (3106). The movable rack (3103) is fixedly connected to the connecting plate (306). The gear mounting plate (3105) is fixedly mounted on the rear end face of the mounting block (301). The transmission gear (3104) is rotatably mounted on the top surface of the gear mounting plate (3105). The movable rack (3103) meshes with the transmission gear (3104). The limiting rack (3106) is slidably mounted on the top surface of the gear mounting plate (3105). The limiting rack (3106) meshes with the transmission gear (3104).

4. The detachable rehabilitation orthotic device for lumbar spine surgery according to claim 3, characterized in that, The fixing mechanism (31) further includes a limiting spring (3107), a limiting link (3108), and a limiting moving plate (3109). The limiting wedge (3101) is slidably mounted on the side of the limiting rack (3106). A limiting fixing plate (3110) is fixedly mounted on the side of the limiting rack (3106). One end of the limiting spring (3107) is fixedly connected to the limiting wedge (3101), and the other end is fixedly connected to the limiting fixing plate (3110). The limiting link (3108) is slidably mounted on the side of the limiting rack (3106). One end of the 3108 slides through the limiting fixing plate (3110) and is fixedly connected to the limiting wedge (3101), and the other end is fixedly connected to the limiting moving plate (3109). The limiting moving plate (3109) is slidably installed on the side of the limiting rack (3106), and the moving pressing plate (3102) is slidably installed on the side of the limiting rack (3106). The moving pressing plate (3102) is located between the limiting moving plate (3109) and the limiting fixing plate (3110).

5. The detachable rehabilitation orthotic device for lumbar spine surgery according to claim 1, characterized in that, The support unit (21) further includes a rotation adjustment block (2103), a self-locking damper (2104), a rotation link (2105), and a back support frame (2106). The rotation adjustment block (2103) is rotatably mounted on the top of the mounting frame (2101). One end of the rotation link (2105) is rotatably mounted on the bottom of the mounting frame (2101), and the other end is rotatably connected to the rotation adjustment block (2103) of another set of support units (21) located below. The output end of the self-locking damper (2104) is fixedly connected to the mounting frame (2101), and the self-locking damper (2104) is rotatably connected to the rotation adjustment block (2103) of another set of support units (21) located below.

6. The detachable rehabilitation orthotic device for lumbar spine surgery according to claim 1, characterized in that, Several fastening straps (101) are fixedly installed on both sides of the fixed back pad (1).

7. The detachable rehabilitation orthotic device for lumbar spine surgery according to claim 4, characterized in that, The side of the movable extrusion plate (3102) near the limiting movable plate (3109) is inclined, and a movable lever is fixedly installed on the front end face of the movable extrusion plate (3102).

8. A detachable rehabilitation orthotic device for lumbar spine surgery according to claim 5, characterized in that, The back of the fixed back pad (1) is fixedly installed with several hook and loop fasteners, and the back pad support (2106) is fixedly installed with hook and loop fasteners on the side close to the fixed back pad (1).

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