Transcranial magnetic therapy fixing chair

Abstract

The utility model relates to transcranial magnetic therapy technical field, especially transcranial magnetic therapy fixed chair, including chassis, lifting plate, seat, handrail, back cushion, mounting block and vertical rod etc., the upper portion sliding connection of chassis has lifting plate, the upper portion rear side of lifting plate is rotated and is connected with seat through the pivot, and the seat bottom is in contact with the lifting plate top surface and is supported by the lifting plate, and the seat includes support part and backrest part, and the support part is connected below the backrest part, and the backrest part is fixed to the top rear side of support part, and the seat left and right sides are fixedly connected with handrail respectively, and the back cushion is slidably connected between two handrails, and the back cushion is located on the top of support part and is located on the front side of backrest part, and the mounting block is fixedly connected on the left side of seat, and the vertical rod is slidably connected on the mounting block. The utility model discloses the structure design of the screw thread transmission cooperation of connecting rod and lifting screw rod and the locking of vertical rod of fastening screw rod, realize the stable location of head in the treatment process, reach head support height precision adjustable and the effect of comfortable support.

Description

Technical Field

[0001] This utility model relates to the field of transcranial magnetic stimulation (TMS) technology, and in particular to a TMS fixation chair. Background Technology

[0002] In the clinical treatment and rehabilitation of neuropsychiatric disorders, transcranial magnetic stimulation (TMS) has been widely used to treat various neurological diseases, including depression, anxiety, insomnia, Parkinson's disease, and post-stroke rehabilitation, due to its advantages such as being non-invasive, safe, and having few side effects. This technology uses stimulation coils to generate high-intensity, rapidly changing pulsed magnetic fields that penetrate the skull and act on specific functional areas of the brain, regulating neuronal activity to achieve therapeutic goals.

[0003] Patients must remain still for extended periods during treatment, typically 20-60 minutes. They must keep their head and body still, maintaining a fixed sitting posture to ensure the coil's relative position to the target does not shift. This is challenging for most patients, especially those with Parkinson's disease, essential tremor, cerebral palsy, or other neurological disorders. These patients often exhibit uncontrollable tremors, dystonia, or involuntary movements, inevitably leading to slight or noticeable head tremors and displacements during treatment. These physiological movements cause frequent shifts in the target area, preventing the magnetic field from consistently and precisely targeting the brain region, significantly weakening the treatment effect, and potentially even stimulating non-target areas, triggering adverse reactions.

[0004] Therefore, a transcranial magnetic stimulation (TMS) fixation chair needs to be designed to solve the above-mentioned technical problems. Utility Model Content

[0005] To overcome the problem of ensuring precise and stable alignment between the stimulation coil and the target brain region during transcranial magnetic stimulation (TMS) therapy, which is often accompanied by uncontrollable tremors or involuntary movements in patients with neurological diseases such as Parkinson's disease, which can easily lead to head shaking and deviation, causing inaccurate stimulation targets, affecting the therapeutic effect, or even causing adverse reactions, this invention provides a TMS fixation chair.

[0006] Technical Solution: A transcranial magnetic stimulation (TMS) fixation chair includes a base frame, a lifting plate, and a seat. The lifting plate is slidably connected to the upper end of the base frame. The seat is rotatably connected to the rear side of the lifting plate via a pivot. The bottom of the seat contacts the top surface of the lifting plate and is supported by the lifting plate. The seat includes a support part and a backrest. The support part is connected to the lower part of the backrest, and the backrest is fixed to the top rear side of the support part. Armrests are provided on both sides of the seat, and a cushion is slidably provided between the two armrests. The cushion is located on the top of the support part and in front of the backrest. A mounting block is fixedly provided on the left side of the seat, and a sliding armrest is mounted on the mounting block. The seat is equipped with a support pole, and a connecting rod is located on the front side of the upper end of the support pole. The left end of the connecting rod is hinged to the support pole, and the right end of the connecting rod is inclined upward towards the front of the seat and extends to the central axis of the seat. The right end of the connecting rod has a threaded hole vertically, and a lifting screw is installed in the threaded hole. A handwheel is fixedly installed at the bottom of the lifting screw, and an adapter block is fixedly connected to the top of the lifting screw. A support pad is rotatably connected to the top of the adapter block. The support pad has an arc-shaped structure that fits the human chin. Three horizontal straps are arranged from top to bottom on the left side of the front of the backrest, and the straps correspond to the user's shoulder, chest and waist positions respectively.

[0007] Furthermore, it also includes buckles, latches, and handles. Buckles are provided on the right end of the straps, and latches corresponding to the straps are provided on the right side of the front of the cushion from top to bottom. The latches and buckles are engaged and connected. A handle is fixedly connected to the upper rear side of the seat.

[0008] Furthermore, it also includes a fastening screw, a knob, and a buffer block. A vertical groove is provided on the left side of the upright. A fastening screw is threadedly connected to the left side of the mounting block. The right end of the fastening screw extends into the vertical groove and abuts against the groove wall. A knob is fixedly connected to the left end of the fastening screw. A buffer block is fixedly connected to the lower left part of the connecting rod.

[0009] Furthermore, it also includes a locking rod, a push block, a locking block, and a spring. The upper part of each armrest is provided with a horizontally extending locking rod. The inner side of the locking rod has evenly distributed locking grooves along its length. Push blocks are slidably connected to the left and right sides of the backrest. The two push blocks are symmetrically arranged, and the outer part protrudes from the backrest to form a pressing part. The lower inner part of each push block is fixedly connected with a locking block that matches the locking groove. The locking block matches the locking groove on the locking rod. The outer front end of the locking block has an inclined guide surface, which slides with the front side wall of the locking groove. Two springs are provided between the locking block on each side and the backrest.

[0010] Furthermore, it also includes a pneumatic rod and a lever. The pneumatic rod is installed on the rear side of the base frame, with the piston rod of the pneumatic rod facing upwards. The end of the piston rod is connected to the top of the rear side of the lifting plate. A lever is rotatably connected to the upper right side of the rear side of the lifting plate, and the inner end of the lever abuts against the release valve of the pneumatic rod.

[0011] Furthermore, it also includes a worm gear, a fixed housing, a worm, and a crank handle. The right end of the pivot of the seat and the lifting plate is fixedly connected to the worm gear, and the right side of the lifting plate is fixedly connected to the fixed housing. The worm gear is located inside the fixed housing and is rotatably mounted on its upper part. The lower part of the fixed housing is rotatably connected to the worm, which meshes with the worm gear. The rear end of the worm passes through the side wall of the fixed housing and is fixedly connected to the crank handle.

[0012] The beneficial effects of this utility model are as follows: 1. This utility model achieves a precise and adjustable head support height and comfortable support effect through the sliding connection between the upright and the mounting block, the threaded transmission between the connecting rod and the lifting screw, and the arc-shaped structure design of the support pad. Medical staff can rotate the handwheel to drive the lifting screw to move the support pad up and down, so that its arc surface fits the user's chin. Combined with the locking and fixing of the upright by the fastening screw, the head is stably limited during the treatment process, effectively solving the problems of inaccurate adjustment and easy loosening of the head support device.

[0013] 2. This utility model achieves the effect of multi-level adjustable backrest position and automatic locking by the sliding connection between the backrest and the two armrests, in conjunction with the slots, push blocks, locking blocks and springs on the locking rod. When medical staff push the backrest, the locking blocks slide along the slots under the action of the inclined guide surface and are embedded and positioned step by step, so as to achieve a close fit between the backrest and the user's back, improve the adaptability and stability of back support, and effectively solve the problems of cumbersome adjustment and poor fit of back support structure.

[0014] 3. This utility model achieves adjustable seat height and smooth adjustment process by sliding connection between lifting plate and base frame and telescopic support of gas spring. Medical staff can control gas spring by moving lever before the user sits down to achieve quick pre-adjustment and locking of seat height, so that users of different heights can get a suitable position. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional structural diagram of the base frame, lifting plate, and seat of this utility model.

[0017] Figure 3 This is a three-dimensional structural diagram of the components of this utility model, including the upright, fastening screw, and knob.

[0018] Figure 4 This is a three-dimensional structural diagram of the fastening screw, knob, and connecting rod components of this utility model.

[0019] Figure 5 This is a three-dimensional structural diagram of the lifting screw, handwheel, and adapter block of this utility model.

[0020] Figure 6This is a three-dimensional structural diagram of the handwheel, adapter block, and support pad of this utility model.

[0021] Figure 7 This is a three-dimensional structural diagram of the cushion, locking rod, and push block components of this utility model.

[0022] Figure 8 This is a three-dimensional structural diagram of the push block, locking block, and spring components of this utility model.

[0023] Figure 9 This is a three-dimensional structural diagram of the snap-fit ​​rod of this utility model.

[0024] Figure 10 This is a three-dimensional structural diagram of the gas spring, fixed housing, and seat components of this utility model.

[0025] Figure 11 This is a three-dimensional structural diagram of the base frame, lifting plate, and pneumatic rod of this utility model.

[0026] Figure 12 This is a three-dimensional structural diagram of the fixed housing, worm gear, and worm wheel components of this utility model.

[0027] Figure 13 This is a three-dimensional structural diagram of the worm gear, worm wheel, and crank handle of this utility model.

[0028] Figure 14 This is a three-dimensional structural diagram of the straps, buckles, and locks of this utility model.

[0029] Parts and their numbers in the diagram: 1. Base frame, 2. Lifting plate, 3. Seat, 301. Armrest, 4. Backrest, 5. Handle, 6. Mounting block, 7. Upright pole, 8. Vertical groove, 9. Fastening screw, 10. Knob, 11. Connecting rod, 12. Buffer block, 13. Lifting screw, 14. Handwheel, 15. Adapter block, 16. Support pad, 17. Snap-fit ​​rod, 18. Push block, 19. Snap-fit ​​block, 20. Spring, 21. Snap-fit ​​groove, 22. Gas spring, 23. Toggle lever, 24. Fixed housing, 25. Worm gear, 26. Worm wheel, 27. Crank handle, 28. Strap, 29. Buckle, 30. Lock. Detailed Implementation

[0030] Example: A transcranial magnetic stimulation fixation chair, such as Figures 1-14As shown, the system includes a base frame 1, a lifting plate 2, a seat 3, armrests 301, a backrest 4, a mounting block 6, a vertical pole 7, a connecting rod 11, a lifting screw 13, a handwheel 14, an adapter block 15, a support pad 16, and a strap 28. The lifting plate 2 is slidably connected to the upper part of the base frame 1 via a sliding rod. The seat 3 is rotatably connected to the upper rear side of the lifting plate 2 via a pivot. The bottom of the seat 3 contacts the top surface of the lifting plate 2 and is supported by it. The seat 3 includes a support part and a backrest. The support part is connected to the lower part of the backrest, and the backrest is fixed to the top rear side of the support part. Armrests 301 are bolted to the left and right sides of the seat 3, respectively. A backrest 4 is slidably connected between the two armrests 301 via a sliding groove. The backrest 4 is located on top of the support part and in front of the backrest. A mounting block 6 is bolted to the left side of the seat 3, and a support pad 4 is slidably connected to the mounting block 6 via a sliding groove. The upright pole 7 has a connecting rod 11 rotatably connected to its upper front side. The left end of the connecting rod 11 is hinged to the upright pole 7, and the right end extends towards the front of the seat 3 and tilts upward. The right end of the connecting rod 11 has a threaded hole, in which a vertically arranged lifting screw 13 is threadedly connected. The bottom of the lifting screw 13 is connected to a handwheel 14 by bolts. The upper end of the lifting screw 13 is connected to an adapter block 15 by bolts. The adapter block 15 is located above the right end of the connecting rod 11 and rotates with the connecting rod 11. The top of the adapter block 15 is rotatably connected to a support pad 16. The support pad 16 is located in the upper middle part of the front side of the seat 3 and is used to support the user's chin. The support pad 16 has an arc-shaped structure that fits the human chin. The left side of the front of the backrest 4 has three horizontally arranged straps 28 arranged from top to bottom. The straps 28 correspond to the user's shoulder, chest and waist positions respectively.

[0031] like Figure 10 and Figure 14 As shown, it also includes buckles 29, locks 30 and handles 5. Buckles 29 are provided on the right end of the straps 28. From top to bottom, the right side of the front of the cushion 4 is provided with locks 30 corresponding to the straps 28. The locks 30 and buckles 29 are inserted and engaged. The upper rear side of the seat 3 is connected to the handles 5 by bolts.

[0032] like Figure 2 , Figure 3 and Figure 4 As shown, it also includes a fastening screw 9, a knob 10, and a buffer block 12. The left side of the upright 7 is provided with a vertical groove 8. The left side of the mounting block 6 is threaded with a fastening screw 9. The right end of the fastening screw 9 extends into the vertical groove 8 and abuts against the groove wall. The left end of the fastening screw 9 is connected to the knob 10 by a bolt. The lower left side of the connecting rod 11 is connected to the buffer block 12 by a bolt. When the connecting rod 11 rotates around its connection point with the upright 7 toward the front of the seat 3, the bottom of the buffer block 12 abuts against the top of the armrest 301.

[0033] like Figure 7 , Figure 8 and Figure 9As shown, it also includes a locking rod 17, a push block 18, a locking block 19, and a spring 20. The upper part of the two armrests 301 is provided with a horizontally extending locking rod 17. The inner side of the locking rod 17 is provided with a uniformly distributed locking groove 21 along the length direction. The left and right sides of the cushion 4 are respectively slidably connected to the push block 18 through the sliding groove. The two push blocks 18 are symmetrically arranged, and the outer part protrudes from the cushion 4 to form a pressing part. The lower inner part of each push block 18 is provided with a locking block 19 that matches the locking groove 21 by integral molding. The locking block 19 matches the locking groove 21 on the locking rod 17. The outer front end of the locking block 19 is provided with an inclined guide surface. The inclined guide surface slides with the front side wall of the locking groove 21. Two springs 20 are provided between each locking block 19 and the cushion 4. The springs 20 provide the elastic force for the locking block 19 to be embedded in the locking groove 21.

[0034] like Figure 10 and Figure 11 As shown, it also includes a pneumatic rod 22 and a lever 23. The pneumatic rod 22 is installed on the rear side of the base frame 1. The piston rod of the pneumatic rod 22 is set upward, and the end of the piston rod is connected to the top of the rear side of the lifting plate 2. The lever 23 is rotatably connected to the upper right side of the rear side of the lifting plate 2. The inner end of the lever 23 abuts against the release valve of the pneumatic rod 22. Moving the lever 23 can control the pneumatic rod 22 to lock or release.

[0035] like Figure 10 , Figure 12 and Figure 13 As shown, it also includes a worm gear 26, a fixed housing 24, a worm 25, and a crank handle 27. The right end of the rotating shaft of the seat 3 and the lifting plate 2 is connected to the worm gear 26 by welding. The right side of the lifting plate 2 is connected to the fixed housing 24 by bolts. The worm gear 26 is located inside the fixed housing 24 and is rotatably mounted on its upper part. The lower part of the fixed housing 24 is rotatably connected to the worm 25. The worm 25 meshes with the worm gear 26. The rear end of the worm 25 passes through the side wall of the fixed housing 24 and is connected to the crank handle 27 by bolts.

[0036] When transcranial magnetic stimulation (TMS) is required, medical staff first push the device to the treatment area, ensuring that the base frame 1 is stably placed on the ground. At this time, the seat 3 is in its initial state, and the lifting plate 2 is located on the upper part of the base frame 1. The seat 3 is rotatably connected to the lifting plate 2 via a pivot, and the whole can rotate around the pivot. Based on the estimated height of the user, the medical staff pre-controls the locking state of the gas spring 22 by using the lever 23 to adjust the height of the lifting plate 2, so that the seat 3 is roughly in a suitable sitting position. Then, the lever 23 is released, and the gas spring 22 automatically locks, fixing the current height, so that the user can sit down safely.

[0037] Guided by medical staff, the user approaches from behind the seat 3, holds the handle 5 on the upper rear side of the seat 3 with both hands, and slowly sits down. The support part of the seat 3 contacts and is supported by the top surface of the lifting plate 2. The user's weight is steadily applied to the seat 3. The backrest is located behind the back, and the two armrests 301 provide lateral support to help maintain the stability of the initial sitting posture.

[0038] After the user is seated, the medical staff will make further adjustments according to the user's actual posture. First, the position of the backrest 4 will be adjusted so that it fits the user's back. The medical staff will push the backrest 4 to slide back and forth, and the locking block 19 will move along the locking rod 17. The inclined guide surface will slide to guide the locking block 19 into the adjacent slot 21 to achieve step-by-step positioning. When the backrest 4 fits the user's back, the adjustment will stop. The restoring force provided by the spring 20 will ensure that the locking block 19 is stably embedded in the slot 21 to prevent it from coming loose during use.

[0039] Next, the medical staff adjusts the head support, fixes the mounting block 6 on the left side of the seat 3, and slides the upright 7 onto the mounting block 6. The upright 7 has a vertical groove 8 on its left side. By rotating the fastening screw 9 on the left side of the mounting block 6, the depth of its right end extending into the vertical groove 8 can be controlled, thereby locking or releasing the upright 7. The medical staff first loosens the knob 10 on the fastening screw 9, moves the upright 7 up and down according to the user's sitting posture height, initially sets the spatial height of the connecting rod 11, and rotates the connecting rod 11 to the right to the front of the seat 3. The buffer block 12 gradually approaches the top of the armrest 301 and finally contacts it to form a soft limit, limiting the maximum angle of forward rotation of the connecting rod 11 to avoid structural overload or pressure on the user. Then, the medical staff slowly rotates the handwheel 14 to drive the lifting screw 13 to move up and down, causing the support pad 16 to rise smoothly until it gently fits under the user's chin. At this point, the adjustment is stopped, the fastening screw 9 is tightened to fix the position of the upright 7, ensuring that the head remains stable during treatment and avoiding the impact of slight movement on treatment accuracy.

[0040] After the head is positioned, the medical staff fixes the body and pulls the straps 28 on the left side of the front of the cushion 4 in turn, corresponding to the user's shoulder, chest and waist positions respectively. The medical staff inserts the buckles 29 into the corresponding locks 30 in turn to complete the multi-point restraint. The straps 28 are moderately tight, which not only restricts the user from leaning forward or swaying during the treatment, but also does not affect breathing and comfort, ensuring that the treatment process is safe and controllable.

[0041] If the treatment plan requires adjustment of the sitting angle, the medical staff slowly rotates the crank 27, the worm gear 25 drives the worm wheel 26 to rotate, causing the seat 3 to tilt smoothly around the axis, realizing stepless adjustment of the backrest angle. Since the structure of the worm wheel 26 and worm gear 25 has a self-locking characteristic, the angle can be kept stable without additional locking after adjustment, which is suitable for different treatment position needs.

[0042] After the treatment, the medical staff loosened the buckles 29 of each strap 28 in sequence, turned the handwheel 14 to lower the support pad 16, and loosened the fastening screw 9 to reset the upright 7. No vertical adjustment was made during the treatment. If it is necessary to assist the user in getting up, the gas spring 22 can be released briefly to lower the seat 3 when the user leans forward to stand up, assisting in the action of getting up. The medical staff can hold the handle 5 to keep the seat 3 stable. Then the user stands up smoothly to complete the entire treatment process.

Claims

1. A transcranial magnetic stimulation (TMS) fixation chair, characterized in that, The seat includes a base frame (1), a lifting plate (2), and a seat (3). The lifting plate (2) is slidably connected to the upper end of the base frame (1). The seat (3) is rotatably connected to the rear side of the lifting plate (2) via a pivot. The bottom of the seat (3) contacts the top surface of the lifting plate (2) and is supported by the lifting plate (2). The seat (3) includes a support part and a backrest. The support part is connected to the lower part of the backrest, and the backrest is fixed to the top rear side of the support part. The left and right sides of the seat (3) are respectively provided with armrests (301). A cushion (4) is slidably provided between the two armrests (301). The cushion (4) is located at the top of the support part and in front of the backrest. A mounting block (6) is fixedly provided on the left side of the seat (3). A vertical rod (7) is slidably provided on the mounting block (6). The upper end of the vertical rod (7) A connecting rod (11) is provided on the front side. The left end of the connecting rod (11) is hinged to the upright (7). The right end of the connecting rod (11) is inclined upward towards the front of the seat (3) and extends to the central axis of the seat (3). A threaded hole is provided vertically on the right end of the connecting rod (11). A lifting screw (13) is provided in the threaded hole. A handwheel (14) is fixedly provided at the bottom of the lifting screw (13). A converter block (15) is fixedly connected to the top of the lifting screw (13). A support pad (16) is rotatably connected to the top of the converter block (15). The support pad (16) has an arc-shaped structure that fits the human chin. Three horizontal straps (28) are arranged from top to bottom on the left side of the front of the backrest (4). The straps (28) correspond to the shoulder, chest and waist of the user respectively.

2. The transcranial magnetic stimulation fixation chair as described in claim 1, characterized in that, It also includes buckles (29), locks (30) and handles (5). Buckles (29) are provided on the right end of the straps (28). From top to bottom, the right side of the front part of the cushion (4) is provided with locks (30) corresponding to the straps (28). The locks (30) and buckles (29) are inserted and engaged. The upper rear part of the seat (3) is fixedly connected with handles (5).

3. The transcranial magnetic stimulation fixation chair as described in claim 2, characterized in that, It also includes a fastening screw (9), a knob (10) and a buffer block (12). The left side of the upright (7) is provided with a vertical groove (8). The left side of the mounting block (6) is threaded with a fastening screw (9). The right end of the fastening screw (9) extends into the vertical groove (8) and abuts against the groove wall. The left end of the fastening screw (9) is fixedly connected with a knob (10). The lower left side of the connecting rod (11) is fixedly connected with a buffer block (12).

4. The transcranial magnetic stimulation fixation chair as described in claim 1, characterized in that, It also includes a snap-fit ​​rod (17), a push block (18), a snap block (19) and a spring (20). The upper part of the two armrests (301) is provided with a snap-fit ​​rod (17) extending laterally. The snap-fit ​​rod (17) has a slot (21) evenly distributed along the length direction on the inner side. The push block (18) is slidably connected to the left and right sides of the cushion (4). The two push blocks (18) are symmetrically arranged, and the outer part protrudes from the cushion (4) to form a pressing part. The lower inner part of each push block (18) is fixedly connected with a snap block (19) that matches the slot (21). The snap block (19) matches the slot (21) on the snap-fit ​​rod (17). The outer front end of the snap block (19) is provided with an inclined guide surface. The inclined guide surface slides with the front side wall of the slot (21). Two springs (20) are provided between each snap block (19) and the cushion (4).

5. A transcranial magnetic stimulation fixation chair as described in claim 4, characterized in that, It also includes a pneumatic rod (22) and a lever (23). The pneumatic rod (22) is installed on the rear side of the base frame (1). The piston rod of the pneumatic rod (22) is set upwards, and the end of the piston rod is connected to the top of the rear side of the lifting plate (2). The lever (23) is rotatably connected to the upper right side of the rear side of the lifting plate (2).

6. The transcranial magnetic stimulation fixation chair as described in claim 5, characterized in that, It also includes a worm gear (26), a fixed housing (24), a worm (25) and a crank (27). The right end of the rotating shaft of the seat (3) and the lifting plate (2) is fixedly connected to the worm gear (26). The right side of the lifting plate (2) is fixedly connected to the fixed housing (24). The worm gear (26) is located inside the fixed housing (24) and is rotatably set on its upper part. The lower part of the fixed housing (24) is rotatably connected to the worm (25). The worm (25) meshes with the worm gear (26). The rear end of the worm (25) passes through the side wall of the fixed housing (24) and is fixedly connected to the crank (27).

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