CN118022188A - Transcranial magnetic stimulation coil positioning and skull fixing device - Google Patents

Abstract

The invention relates to the technical field of transcranial magnetic stimulation, in particular to a transcranial magnetic stimulation coil positioning and skull fixing device, which is characterized in that a mechanical coordinate system structure is designed, the coordinates of each patient during treatment are recorded, when the patient is treated next time, the positions can be quickly and accurately adjusted to the corresponding positions according to the last recorded coordinates, and the up-down and 360-degree coordinate positioning is realized, so that the same patient can be quickly positioned to the corresponding positions. And establish children and adult and adjust self-adaptation function, vertical adjustment subassembly passes through traction assembly and links to each other with the head fixer, makes head fixer go on about and the back and back adjustment along with vertical adjustment subassembly's lifting action, makes adult and children lean against and head fixer more adaptation corresponding position when the treatment, improves patient's travelling comfort.

Description

Transcranial magnetic stimulation coil positioning and skull fixing device

Technical Field

The invention relates to the technical field of transcranial magnetic stimulation, in particular to a transcranial magnetic stimulation coil positioning and skull fixing device.

Background

The magnetic stimulator releases the energy stored in the capacitor into the stimulating coil in a short time according to the principle of electromagnetic induction to form pulse current, and then forms a pulse magnetic field and an induction electric field in the space nearby. When the stimulating coil stimulates the human body, induced current is generated in the nerve tissue of the human body, and the cell membrane of the nerve cell is depolarized, so that action potential is generated. Depending on the stimulation site, different effects can be produced, such as stimulation of the primary motor area of the cerebral cortex, conduction of cortical stimulation to the muscles of the limbs, recording of motor evoked potentials in the electromyography, and evaluation of the function of the nervous system by using the amplitude and latency of the evoked potentials. Can also stimulate other areas of cerebral cortex to treat depression, migraine, etc.

Target positioning of transcranial magnetic stimulation is a key problem in diagnosis and treatment processes, manual positioning is generally adopted, a stimulation coil is held in the hand during stimulation, a target is found by changing the position of the coil according to the response of human fingers, and the coil is fixed after the position is finally determined. The stimulation coil can also be clamped by using the mechanical arm, so that manpower can be saved instead of the hand-held stimulation coil, as shown in fig. 1, a target point is found by adjusting the mechanical arm, the final position of the stimulation coil is determined, and then the mechanical arm is fixed. The mechanical arm has the following defects: the positioning mode is the same as that of the hand-held type, and the experience of medical staff is more relied on, so that the positioning mode is complex in operation, inaccurate in positioning and incapable of achieving the purpose of treatment; and for the same patient, repositioning is needed in the next treatment, so that the aim of memory positioning cannot be fulfilled.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention aims to provide a transcranial magnetic stimulation coil positioning and skull fixing device, a mechanical coordinate system structure is designed, the relative coordinates of coils of each patient during treatment are recorded, when the patient is treated next time, the relative coordinates can be quickly and accurately adjusted to corresponding positions according to the last recorded coordinates, and the vertical, horizontal, front and rear coordinate positioning is realized, so that the same patient can be quickly positioned to the corresponding positions.

And establish children and adult and adjust self-adaptation function, vertical adjustment subassembly passes through traction assembly and links to each other with the head fixer, makes head fixer go on about and the back and back adjustment along with vertical adjustment subassembly's lifting action, makes adult and child be the position that backrest and head fixer better adaptation correspond in the treatment, improves patient's travelling comfort.

The technical implementation scheme of the invention is as follows:

A vertical adjusting component is arranged on a chair back of a chair, a horizontal supporting arm is arranged at the top of the vertical adjusting component, the end part of the horizontal supporting arm is connected with an arc adjusting seat through a vertical fine adjusting component, the bottom of the arc adjusting seat is movably connected with a magnetic coil clamping seat through a movable component, and the bottom of the magnetic coil clamping seat is connected with a magnetic coil.

As a preferable technical scheme of the invention, the vertical adjusting component comprises a fixed seat, a vertical adjusting seat and a screw, wherein a screw body of the screw penetrates through the vertical adjusting seat, the bottom of the screw is rotationally connected with the fixed seat through a bearing, a recording rod is further arranged at the bottom of the vertical adjusting seat, the bottom of the recording rod penetrates through an extending wing of the fixed seat, and a hand wheel is arranged at the top of the screw.

Further, a supporting piece is arranged between the horizontal supporting arm and the vertical adjusting seat, the supporting piece comprises a horizontal supporting rod and a diagonal supporting rod, the horizontal supporting rod is connected between the side wall of the horizontal supporting arm and the side wall of the vertical adjusting seat, and the diagonal supporting rod is connected between the bottom wall of the horizontal supporting arm and the side wall of the vertical adjusting seat.

As another preferable technical scheme of the invention, the novel chair comprises a head fixer, wherein the back of the headrest wall of the head fixer is movably connected with a vertical adjusting seat through a traction assembly, the traction assembly comprises a T-shaped mounting plate, a traction rod and a connecting rod, the horizontal part of the T-shaped mounting plate is connected with the back of the head fixer, the vertical part of the T-shaped mounting plate penetrates through a movable hole on the chair back and is hinged with the bottom of the traction rod, the top of the traction rod is hinged with the vertical adjusting assembly, and the connecting rod is positioned on the back of the chair back and is in threaded connection with the vertical part of the T-shaped mounting plate.

Further, the back of the chair back is also provided with a limiting seat, the limiting seat is sleeved on the connecting rod through the through hole, and a compression spring is arranged on the connecting rod and is positioned between the limiting seat and the handle of the connecting rod.

Further, a first pulley is arranged on the horizontal part of the T-shaped mounting plate, the first pulley is in sliding contact with the chair back, a second pulley is arranged on the side wall of the limiting seat, and the second pulley is in sliding contact with the back of the chair back.

Still further, each of two symmetrical lateral walls of the head fixer is provided with an ear hole, an ear canal limiting component is arranged in the ear hole, a pillow hole is arranged on the headrest wall, an annular air bag is arranged along the outer side of the pillow hole, a mandibular support is arranged between the two symmetrical lateral walls, the mandibular support is connected with mandibular belt angle scales on the two symmetrical lateral walls through mandibular belts, and an tightness adjusting knob for adjusting the length of the mandibular belt is arranged on the back of the mandibular support.

As another preferable technical scheme of the invention, the vertical fine adjustment component comprises a column body penetrating through a horizontal support arm of the vertical fine adjustment column, the end part of the column body is connected with a fixed T-shaped block, the fixed T-shaped block is connected with a movable T-shaped block through a limit cylinder, and the movable T-shaped block is integrally formed with the top of the arc-shaped adjusting seat;

The column body of the vertical fine tuning column is provided with teeth, the horizontal supporting arm is provided with a speed reduction motor, the output shaft of the speed reduction motor is provided with a gear, and the gear is meshed with the teeth; and a fine adjustment graduated scale is arranged on the column body of the vertical fine adjustment column.

Further, the limiting cylinder comprises two semicircular cutting sleeves which are oppositely arranged, two side wings of the two semicircular cutting sleeves are connected through bolts, when the second screw rod is lifted or the arc-shaped adjusting seat is rotated, the bolts are rotated reversely, and limiting is lost between the fixed T-shaped block and the movable T-shaped block.

As another preferable technical scheme of the invention, the movable assembly comprises a mounting seat, a round table, a threaded rod and a sliding block, wherein the horizontal part of the mounting seat is in ball joint with the top of the magnetic coil clamping seat, a vertical arm of the mounting seat is connected with the side wall of the round table through an adjusting bolt, a yielding groove is formed in the bottom of the round table, a hinged ball head at the top of the magnetic coil clamping seat is positioned in the yielding groove, the bottom of the threaded rod is connected with the top of the round table, the sliding block is arranged at the top of the threaded rod, a sliding groove is formed in the bottom of the arc-shaped adjusting seat along an arc line of the sliding block, and the sliding block is positioned in the sliding groove.

Compared with the prior art, the invention has the following advantages:

1. The invention sets up symmetrical record pole in the bottom of the vertical adjustment seat, the bottom of record pole runs through the extension arm of the fixed seat, there are graduations on the record pole, can record the distance that the vertical adjustment seat goes up and down through the graduation, record as the vertical direction that the magnetic coil adjusts next time (belong to the initial positioning of vertical height); meanwhile, the vertical fine adjustment assembly capable of realizing the vertical fine positioning of the arc adjustment seat is arranged at the end part of the horizontal support arm, the vertical fine adjustment coordinate is recorded through the fine adjustment graduated scale, then the arc adjustment seat is rotated to adjust the angle of the arc adjustment seat, the arc adjustment seat can be made to cover any position of the head of a patient through rotating the arc adjustment seat, the rotating angle of the arc adjustment seat is recorded through the rotating angle positioning line, the corresponding position can be quickly and accurately adjusted through the recording rod, the fine adjustment graduated scale and the data recorded by the rotating angle positioning line, the positioning time is shortened, the positioning accuracy is improved, the mental burden and the dysphoria of the patient can be prevented from being expanded due to long-time positioning, and the electric stimulation treatment is not facilitated.

2. According to the invention, the magnetic coil clamping seat is connected with the arc-shaped adjusting seat through the designed movable assembly, and after the magnetic coil is roughly positioned through the three-axis coordinate system, the movable assembly can be used for realizing precise positioning, and the magnetic coil clamping seat can be used for realizing 360-degree rotation at the bottom of the round table, so that the purpose of precise positioning is realized.

3. The head fixing device is designed to fix the head position by fixing the headrest part, the temporal parts on two sides and the mandible, two symmetrical side walls of the head fixing device are respectively provided with an ear hole, an ear canal limiting component is arranged in the ear holes, the ear canal limiting component is used for limiting the external auditory canal of a patient, and the comfort during limiting is realized by the air bags which are matched with the ear canal limiting component; the pillow hole is formed in the head pillow wall, the head position of a patient can be corrected by touching the occipital bone from the back by fingers, so that the occipital bone tuberosity of the patient is opposite to the pillow hole, the positions of the mandibular support and the temporal parts on two sides of the patient during the last treatment positioning are conveniently searched, the head of the patient can be accurately positioned, and the magnetic coil can be accurately repositioned.

4. According to the invention, the head fixer and the backrest are connected with the vertical adjusting seat through the traction assembly, so that the head fixer and the backrest can be adjusted up and down and front and back along with the lifting action of the vertical adjusting seat, and the backrest and the head fixer are more adapted to corresponding positions when a adult and a child are treated, thereby improving the comfort of a patient during treatment and reducing the uneasy mind state of the patient.

Drawings

Fig. 1 is a perspective view of a transcranial magnetic stimulation coil positioning and skull fixation device according to example 1.

Fig. 2 is a perspective view of a transcranial magnetic stimulation coil positioning and skull fixation device according to example 1.

Fig. 3 is a left side view of a transcranial magnetic stimulation coil positioning and skull fixation device according to example 1.

Fig. 4 is a rear view of the vertical adjustment assembly of embodiment 2.

Fig. 5 is a perspective view of the head holder of example 3.

Fig. 6 is a front view of the head holder of embodiment 3.

Fig. 7 is a side view of the vertical trim assembly and the arc adjustment base of embodiment 4.

Fig. 8 is a cross-sectional view of section I of fig. 7.

Fig. 9 is a perspective view of the vertical fine adjustment assembly and the arc adjustment base of embodiment 4.

Fig. 10 is a perspective view of the movable assembly in example 5.

Fig. 11 is a schematic diagram illustrating connection between the magnetic coil holder and the mounting base in embodiment 5.

Fig. 12 is a perspective view of the round table in example 5.

Fig. 13 is a front sectional view of the round bench of example 5.

Fig. 14 is a perspective view of the traction assembly of example 6.

Fig. 15 is a perspective view of the limit seat in embodiment 6.

In the figure: 1. a seat; 101. a chair back; 102. a connecting block; 2. a vertical adjustment assembly; 201. a fixing seat; 202. a screw; 203. a vertical adjustment seat; 204. a recording lever; 3. a horizontal support arm; 4. a vertical fine tuning assembly; 401. a speed reducing motor; 402. a gear; 403. vertical fine tuning column; 404. fixing a T-shaped block; 405. a movable T-shaped block; 406. a limiting cylinder; 407. a bolt; 408. rotating the angle positioning line; 409. fine tuning the graduated scale; 410. rotating an angle ruler; 5. an arc-shaped adjusting seat; 501. a chute; 502. angle scribing; 6. a movable assembly; 601. a mounting base; 602. round bench; 603. a threaded rod; 604. a slide block; 605. a screw plate; 606. an adjusting bolt; 607. a movable groove; 7. a magnetic coil; 8. a traction assembly; 801. a T-shaped mounting plate; 802. a traction rod; 803. a limit seat; 804. a connecting rod; 805. a compression spring; 806. a first pulley; 807. a second pulley; 808. a through hole; 9. a head holder; 901. ear holes; 902. pillow holes; 903. an annular air bag; 904. an external auditory canal positioning rod; 905. an arc-shaped guide plate; 906. a positioning rod adjusting plate; 907. a mandibular support; 908. a mandibular belt; 909. a tightness adjustment knob; 910. a mandibular towing angle dial; 10. a backrest; 11. a magnetic coil clamping seat.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

The embodiment is shown in fig. 1-3, and the transcranial magnetic stimulation coil positioning and skull fixing device comprises a seat 1, wherein a vertical adjusting component 2 is arranged on a chair back 101 of the seat 1, a horizontal supporting arm 3 is arranged at the top of the vertical adjusting component 2, the end part of the horizontal supporting arm 3 is connected with an arc adjusting seat 5 through a vertical fine adjusting component 4, the bottom of the arc adjusting seat 5 is movably connected with a magnetic coil clamping seat 11 through a movable component 6, and the bottom of the magnetic coil clamping seat 11 is connected with a magnetic coil.

When the magnetic coil height adjusting device is used, a patient sits on the seat 1, then the head of the patient is right opposite to the head in the head fixer through the vertical adjusting component 2, the magnetic coil is adjusted to a certain height, the step achieves initial positioning of the height position of the magnetic coil, then the height position of the magnetic coil is adjusted again through the vertical fine adjusting component, and the step achieves secondary positioning of the height of the magnetic coil, so that accurate positioning of height adjustment is achieved; then rotatory arc regulation seat adjusts the angle of arc regulation seat, through rotatory arc regulation seat, can make the arc regulation seat cover patient's head any position to through rotation angle locating line record arc regulation seat rotation angle, through the data of record pole, fine setting scale and rotation angle locating line record, can be quick accurate the adjustment to corresponding position, the location time shortens and the location degree of accuracy improves, can avoid because of long-time location and inflation patient's heart burden and dysphoria, is unfavorable for the electric stimulation treatment.

Compared with the existing mechanical arm or handheld adjusting mode, the multi-axis adjusting system designed by the application is more convenient to adjust, saves labor, does not need to rely on the experience of medical staff, can easily realize the coarse positioning of the magnetic coil by only giving vertical adjusting height and rotating angle, and finally realizes the fine positioning of the magnetic coil by fine adjustment of the movable assembly 6, and has higher accuracy while being simple and convenient to operate.

In order to improve the stability of the horizontal support arm 3, a support member is arranged between the horizontal support arm 3 and the vertical adjustment seat, the support member comprises a horizontal support rod and a diagonal support rod, the horizontal support rod is connected between the side wall of the horizontal support arm and the side wall of the vertical adjustment seat, and the diagonal support rod is connected between the bottom wall of the horizontal support arm and the side wall of the vertical adjustment seat.

Example 2

As shown in fig. 3, on the basis of embodiment 1, the vertical adjustment assembly 2 includes a fixed seat 201, a screw 202, and a vertical adjustment seat 203, wherein a screw body of the screw 202 penetrates through the vertical adjustment seat 203, and the bottom of the screw body is rotatably connected with the fixed seat 201 through a bearing, a recording rod 204 is further disposed at the bottom of the vertical adjustment seat 203, the bottom of the recording rod 204 penetrates through an extension wing of the fixed seat 201, and a hand wheel is disposed at the top of the screw 202.

The screw 202 is controlled to rotate by the top hand wheel 205, and the vertical adjustment seat moves up and down along the screw 202 due to the unique structure of the vertical adjustment seat and the limitation of the chair back.

The bottom of the vertical adjusting seat 203 is also provided with two symmetrical recording rods 204, the bottoms of the two recording rods 204 penetrate through the extension arm at the top of the fixed seat 201 and are positioned on two sides of the screw 202, a scribing line is arranged on the recording rods 204, and the recording rods 204 are lifted along with the vertical adjusting seat 203 to record the lifting height of the vertical adjusting seat 203. The recording rod 204 can also be used as a limiting rod when the recording vertical adjustment seat 203 is lifted, and the limiting vertical adjustment seat 203 can only lift in the vertical direction and can not axially rotate along with the screw 202.

As shown in fig. 2, an angle score line 502 is provided on the side wall of the arc-shaped adjusting seat 5, and the rotating angle of the movable assembly 6 is recorded by the angle score line 502.

Therefore, the data recorded by the recording rod 204, the fine-tuning graduated scale 409, the rotation angle positioning line 408 and the angle score line 502 can be used for better recording the coordinates of each patient during primary treatment, and when the patient is treated next time, the corresponding positions can be quickly and accurately adjusted, so that the coarse positioning of the magnetic coil is realized.

Example 3

As shown in fig. 5-6, the application further comprises a head fixer 9, and the head fixing is the precondition of coarse positioning and fine positioning, and the coarse positioning and the fine positioning of the magnetic coil can be ensured to be effective only when the head fixing of the patient is consistent with the position of the last fixing, namely, the application improves the head fixer 9 and can accurately find the position of the last head fixing.

The head holder 9 fixes the head position by fixing four positions of the headrest portion, the temporal portions on both sides, and the mandible. The head fixer 9 is a U-shaped structure, two symmetrical side walls of the U-shaped structure are respectively provided with an ear hole 901, an ear canal limiting component is arranged in the ear hole 901, a pillow hole 902 is arranged on the headrest wall between the two symmetrical side walls, an annular air bag 903 is arranged along the outer side of the pillow hole 902, a mandibular support 907 is arranged between the two symmetrical side walls, the mandibular support 907 moves through a mandibular belt 908 to be connected with mandibular belt angle scales 910 on the two symmetrical side walls, and an tightness adjusting knob 909 for adjusting the length of the mandibular belt 908 is arranged on the back of the mandibular support 907.

As shown in fig. 5, a plurality of air bags are symmetrically arranged on the inner wall of the head holder 9 at intervals, when the head of a patient is positioned in the head holder 9, the head of the patient can be kept right in the middle of the head holder 9 by limiting the head of the patient through the air bags at the two sides and the rear, an operator can touch the position of the occiput by using fingers through the occiput 902 on the chair back, namely, the head is positioned at the correct position, otherwise, the operator can manually adjust the position of the occiput right in the occiput 902, namely, the tightness of the mandibular support 907 (similar to the fixing tightness device of a nike twisting shoe) can be adjusted through the tightness adjusting knob 909. The contact part of the mandibular support 907 with human mandible is an ergonomic circular groove and is lined with soft plastic.

In the first treatment, the inclination angle of the mandibular belt 908 is recorded 910 by the mandibular belt angle dial, so that the next treatment can be quickly adjusted, and the tightness of the mandibular support 907 is adjusted by the tightness adjusting knob 909.

As further shown in fig. 5, the ear canal limiting assembly includes an external auditory canal positioning rod 904 disposed in the ear cavity 901, an enlarged earplug portion is screwed to one end of the external auditory canal positioning rod 904 disposed inside the head holder 9, and latex material is wrapped outside the enlarged earplug portion, so as to prevent the ear canal skin of the patient from being injured by accident. The enlarged earplug parts with different sizes can be detached and replaced according to the size of the external canal of the patient. The side wall back of the head fixer 9 is provided with a positioning rod adjusting plate 906, one end of the positioning rod adjusting plate 906 is rotationally connected with the side wall back of the head fixer 9, the other end of the positioning rod adjusting plate 906 is movably connected with an arc-shaped guide plate 905 through a moving block, a guide groove is formed in the arc-shaped guide plate 905 along the radian of the arc-shaped guide plate 905, the moving block is located in the guide groove, a fixing nut is arranged on the outer side of the moving block, and after the moving block moves to a designated position along the guide groove, the moving block is fixed through the fixing nut.

The positioning rod adjusting plate 906 is provided with an adjusting hole, the external auditory canal positioning rod 904 is located in the adjusting hole and can move in the adjusting hole, and a positioning nut is arranged outside the adjusting hole and sleeved on the external auditory canal positioning rod 904 and in threaded connection with the external auditory canal positioning rod 904, so that the external auditory canal positioning rod 904 is positioned.

Example 4

On the basis of the embodiments 1-3, as shown in fig. 7 and 9, the column shaft of the vertical fine tuning column 403 of the vertical fine tuning component 4 penetrates through the horizontal supporting arm, the end part of the column shaft is connected with a fixed T-shaped block 404, the fixed T-shaped block 404 is connected with a movable T-shaped block 405 through a limiting cylinder 406, and the movable T-shaped block 405 and the top part of the arc-shaped adjusting seat are integrally formed; a column body of the vertical fine tuning column 403 is provided with teeth, a horizontal supporting arm is provided with a speed reduction motor 401, an output shaft of the speed reduction motor 401 is provided with a gear 402, and the gear 402 is meshed with the teeth; and a fine adjustment scale 409 is provided on the column shaft of the vertical fine adjustment column 403.

The gear 402 is driven to rotate by the gear motor 401 to drive the vertical fine adjustment column 403 to move up and down, so that the distance of the vertical fine adjustment column 403 moving up and down can be known by reading the scribing on the column body of the vertical fine adjustment column 403. After the first treatment, the adjustment score is recorded, and the vertical trimming column 403 is directly adjusted to the recorded score position during the next treatment. This adjustment is not empirically required by the operator. The use is more convenient, and the adjustment accuracy is improved.

As shown in fig. 9, the limiting cylinder 406 includes two opposite semicircular cutting sleeves, two side wings of the two semicircular cutting sleeves are connected by bolts 407, and one semicircular cutting sleeve is fixedly connected with the fixed T-shaped block 404, or may be integrally formed. And a rotation angle positioning line 408 is arranged on the outer wall of one of the semicircular cutting sleeves, and a rotation angle ruler 410 is arranged on the top of the arc-shaped adjusting seat around the circumference of the arc-shaped adjusting seat.

When the arc-shaped adjusting seat rotates, the bolt 407 is reversely rotated, and the limit between the fixed T-shaped block 404 and the movable T-shaped block 405 is lost. The arc adjusting seat is manually rotated, so that the rotating angle of the arc adjusting seat can be adjusted.

Example 5

On the basis of embodiment 1, as shown in fig. 8 and 10-13, in order to realize the fine positioning of the magnetic coil, a movable assembly 6 is designed, wherein the movable assembly 6 specifically comprises a mounting seat 601, a round table 602, a threaded rod and a sliding block 604, the horizontal part of the mounting seat 601 is in ball joint with the top of the magnetic coil clamping seat 11, a vertical arm of the mounting seat 601 is connected with the side wall of the round table 602 through an adjusting bolt 606, a yielding groove is formed in the bottom of the round table 602, a hinged ball head at the top of the magnetic coil clamping seat 11 is positioned in the yielding groove, the bottom of the threaded rod is connected with the top of the round table 602, the sliding block 604 is arranged at the top of the threaded rod, a sliding groove 501 is formed in the bottom of the arc-shaped adjusting seat 5 along an arc line of the sliding groove, and the sliding block 604 is positioned in the sliding groove 501.

In this embodiment, two symmetrical vertical side arms of the mounting seat 601 are respectively provided with an adjusting bolt 606, the two adjusting bolts 606 can extend into the yielding grooves, when the magnetic coil clamping seat 11 rotates to a proper angle to realize the precise positioning of the magnetic coil, the two adjusting bolts 606 are screwed by screwing the adjusting bolts 606, and the end parts of the left and right symmetrical adjusting bolts 606 can clamp the hinged ball head at the top of the magnetic coil clamping seat 11, so that the precise positioning is fixed.

To perfect embodiment 2, a screw plate 605 is arranged on the threaded rod, the screw plate 605 is positioned outside the chute 501, and after the movable assembly 6 slides to a proper angle in the chute 501, the movable assembly 6 can be fixed by screwing the screw plate 605.

Example 6

14-15, The bottom of the head holder 9 is connected with the backrest 10 through screws or velcro, the head holder 9 is connected with the vertical adjustment assembly 2 through the traction assembly 8, the traction assembly 8 comprises a T-shaped mounting plate 801, a traction rod 802 and a connecting rod 804, the horizontal part of the T-shaped mounting plate 801 is connected with the back of the head holder 9, the vertical part of the T-shaped mounting plate 801 penetrates through a movable hole on the chair back 101 and is hinged with the bottom of the traction rod 802, the top of the traction rod 802 is hinged with the vertical adjustment assembly 2, and the connecting rod 804 is positioned on the back of the chair back 101 and is in threaded connection with the vertical part of the T-shaped mounting plate 801.

The back of the chair back 101 is also provided with a limiting seat 803, the limiting seat 803 is sleeved on the connecting rod 804 through a through hole 808, and a compression spring 805 is arranged on the connecting rod 804, and the compression spring 805 is positioned between the limiting seat 803 and the handle of the connecting rod 804.

The head fixer 9 and the backrest 10 realize self-adaptive adjustment function according to children and adults through the traction assembly 8, and the head fixer 9 and the backrest 10 are adjusted up and down and back and forth along with the lifting action of the vertical adjusting seat 203, so that the positions of the backrest 10 and the head fixer 9 are more matched and correspond to the positions of adults and children in treatment. When a person sits in the chair, the magnetic coil is positioned higher and the back and head holder 9 is biased into the chair and in the higher position. The back and head holder 9 is positioned in the rear of the chair and is low when the child is receiving treatment. The patient is more comfortable to sit on. The back rest and the head fixing device 9 can be adjusted according to different set heights and body types by adjusting the structure of the compression spring 805, the connecting position of the back rest 10 and the connecting rod length and the fixing height of the head fixing device 9.

When the head holder 9 moves up and down, the head holder 9 and the backrest 10 can be moved up and down along the vertical direction by the compression spring 805 and the limit seat 803, and the front and back movement is realized by the traction rod 802, so that the moving resistance of the T-shaped mounting plate 801 and the limit seat 803 attached to the back 101 at the front and back sides is smaller, a first pulley 806 is arranged on the horizontal part of the T-shaped mounting plate 801, the first pulley 806 is in sliding contact with the back 101, a second pulley 807 is arranged on the side wall of the limit seat 803, and the second pulley 807 is in sliding contact with the back of the back 101.

In this embodiment, in order to improve the fixing effect of the head fixer 9, chin straps 901 are provided on two sides of the head fixer 9 to enable the patient to drag the chin, so as to achieve the purpose of supporting the head of the patient, and in order to improve comfort, a placement groove 902 is provided on two sides of the head fixer 9, and the ears of the patient can be located in the placement groove 902, so that unnecessary extrusion on the ears of the patient is avoided.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The transcranial magnetic stimulation coil positioning and skull fixing device comprises a seat and is characterized in that a vertical adjusting component is arranged on a chair back of the seat, a horizontal supporting arm is arranged at the top of the vertical adjusting component, the end part of the horizontal supporting arm is connected with an arc-shaped adjusting seat through a vertical fine adjusting component, the bottom of the arc-shaped adjusting seat is movably connected with a magnetic coil clamping seat through a movable component, and the bottom of the magnetic coil clamping seat is connected with a magnetic coil.

2. The transcranial magnetic stimulation coil positioning and skull fixation device as claimed in claim 1, wherein the vertical adjustment assembly comprises a fixed seat, a vertical adjustment seat and a screw, the screw body of the screw penetrates through the vertical adjustment seat, the bottom of the screw is rotatably connected with the fixed seat through a bearing, a recording rod is further arranged at the bottom of the vertical adjustment seat, the bottom of the recording rod penetrates through an extension wing of the fixed seat, and a hand wheel is arranged at the top of the screw.

3. The transcranial magnetic stimulation coil positioning and skull fixation device of claim 2, wherein a support member is provided between the horizontal support arm and the vertical adjustment seat, the support member comprising a horizontal support bar and a diagonal support bar, the horizontal support bar being connected between the side wall of the horizontal support arm and the side wall of the vertical adjustment seat, the diagonal support bar being connected between the bottom wall of the horizontal support arm and the side wall of the vertical adjustment seat.

4. The transcranial magnetic stimulation coil positioning and skull fixation device of claim 2, further comprising a head fixation device, wherein the back of the headrest wall of the head fixation device is movably connected with the vertical adjustment seat through a traction assembly, the traction assembly comprises a T-shaped mounting plate, a traction rod and a connecting rod, the horizontal part of the T-shaped mounting plate is connected with the back of the head fixation device, the vertical part of the T-shaped mounting plate penetrates through a movable hole on the back of the chair and is hinged with the bottom of the traction rod, the top of the traction rod is hinged with the vertical adjustment assembly, and the connecting rod is positioned on the back of the chair back and is in threaded connection with the vertical part of the T-shaped mounting plate.

5. The transcranial magnetic stimulation coil positioning and skull fixation device according to claim 4, wherein the back of the chair back is further provided with a limiting seat, the limiting seat is sleeved on the connecting rod through the through hole, the connecting rod is provided with a compression spring, and the compression spring is located between the limiting seat and the handle of the connecting rod.

6. The transcranial magnetic stimulation coil positioning and skull fixation device according to claim 5, wherein the horizontal portion of the T-shaped mounting plate is provided with a first pulley, the first pulley is in sliding contact with the chair back, the side wall of the limiting seat is provided with a second pulley, and the second pulley is in sliding contact with the back of the chair back.

7. The transcranial magnetic stimulation coil positioning and skull fixation device as in claim 6, wherein each of the two symmetrical side walls of the head fixation device is provided with an ear cavity, the ear cavity is internally provided with an ear canal limiting component, the headrest wall is provided with a pillow cavity, an annular air bag is arranged along the outer side of the pillow cavity, a mandibular support is arranged between the two symmetrical side walls, the mandibular support is connected with mandibular belt angle scales on the two symmetrical side walls through mandibular belts, and a tightness adjusting knob for adjusting the length of the mandibular belt is arranged on the back of the mandibular support.

8. The transcranial magnetic stimulation coil positioning and skull fixing device according to claim 1, wherein the vertical fine tuning component comprises a column shaft penetrating through the horizontal support arm of the vertical fine tuning column, and the end part of the vertical fine tuning column is connected with a fixed T-shaped block, the fixed T-shaped block is connected with a movable T-shaped block through a limiting cylinder, and the movable T-shaped block is integrally formed with the top part of the arc-shaped adjusting seat;

the column body of the vertical fine tuning column is provided with teeth, the horizontal supporting arm is provided with a speed reduction motor, the output shaft of the speed reduction motor is provided with a gear, and the gear is meshed with the teeth; a fine adjustment graduated scale is arranged on the column body of the vertical fine adjustment column; and a rotation angle positioning line is arranged on the side wall of the limiting cylinder.

9. The transcranial magnetic stimulation coil positioning and skull fixation device of claim 8, wherein the limiting cylinder comprises two semicircular cutting sleeves which are arranged oppositely, two side wings of the two semicircular cutting sleeves are connected through bolts, one of the semicircular cutting sleeves is connected with a fixed T-shaped block, and when the arc-shaped adjusting seat rotates, the bolts are reversely rotated, and limit is lost between the fixed T-shaped block and the movable T-shaped block.

10. The transcranial magnetic stimulation coil positioning and skull fixing device according to claim 1, wherein the movable assembly comprises a mounting seat, a round table, a threaded rod and a sliding block, the horizontal portion of the mounting seat is hinged with the top of the magnetic coil clamping seat through a ball, the vertical arm of the mounting seat is connected with the side wall of the round table through an adjusting bolt, a yielding groove is formed in the bottom of the round table, a hinged ball head at the top of the magnetic coil clamping seat is located in the yielding groove, the bottom of the threaded rod is connected with the top of the round table, the sliding block is arranged at the top of the threaded rod, a sliding groove is formed in the bottom of the arc-shaped adjusting seat along an arc line of the arc-shaped adjusting seat, and the sliding block is located in the sliding groove.