CN114870278A

CN114870278A - Adjustable head and neck positioning frame for tumor radiotherapy

Info

Publication number: CN114870278A
Application number: CN202210491417.7A
Authority: CN
Inventors: 夏艳红
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-09

Abstract

The invention discloses an adjustable head and neck positioning frame for tumor radiotherapy, which belongs to the technical field of tumor radiotherapy, when medical staff carry out radiotherapy on tumor patients, the head and neck positioning frame is mostly adopted to support the head and neck of the patients, however, the height of the head and neck positioning frame in the prior art is mostly not adjustable, when the height of a treatment bed of radiotherapy equipment is not matched with that of a fixing frame, the fixing frame cannot be used, and the adjustable head and neck positioning frame comprises a bottom plate, wherein two loop bars are fixedly arranged on one surface of the bottom plate, and lifting rods are arranged on the inner walls of the two loop bars; through drive lifter plate rebound, the lifter plate makes the lifter seat rebound, the lifter seat makes the second guide block upwards slide, the second guide block makes the lifter upwards move, the lifter makes arc and neck brace rebound through deck plate, make the height of arc and neck brace and the high phase-match of radiotherapy equipment treatment bed to convenient realization the altitude mixture control of arc and neck brace, and then the effectual flexibility that has improved the head and neck locating rack.

Description

Adjustable head and neck positioning frame for tumor radiotherapy

Technical Field

The invention relates to the technical field of tumor radiotherapy, in particular to an adjustable head and neck positioning frame for tumor radiotherapy.

Background

Tumor radiotherapy: radiotherapy of tumors, i.e. the treatment of tumors using radiation or particle technology, can be divided into two categories according to the method of radiation: teletherapy, also known as external irradiation (irradiation of tumors through the skin of the body); the brachytherapy, while radiation can treat benign diseases, is mainly used for treating malignant tumors, and forms three major means for treating tumors together with surgical treatment and drug therapy. Different indications and limitations exist for different tumors and the same tumor at different stages, and different means are also needed for treatment, and about 60-70% of patients with malignant tumors receive radiation treatment at a certain stage of the course. The head and neck fixing frame for tumor radiotherapy in the prior art has the following problems:

1. when medical staff carry out radiotherapy on tumor patients, head and neck positioning frames are mostly adopted to support the head and neck of the patients, however, the height of the head and neck positioning frames in the prior art is mostly unadjustable, and when the height of a treatment bed of radiotherapy equipment is not matched with that of a fixing frame, the fixing frame cannot be used;

2. most of head and neck fixing frames in the prior art cannot adjust the head support inside the head fixing frames, when the head of a patient is large or small, the use of the fixing frames is influenced, and meanwhile, the comfort level of the head and neck of the patient during radiotherapy is influenced;

3. neck mount for tumor radiotherapy among the prior art lacks head safeguard function mostly, because the X-ray that radiotherapy equipment sent is stronger to the lethality of cell, when the head of disease exposes externally, the X-ray caused the injury to the head cell of disease easily, for this, we propose an adjustable neck mount for tumor radiotherapy and be used for solving above-mentioned problem.

Disclosure of Invention

The invention aims to provide an adjustable head and neck positioning frame for tumor radiotherapy, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an adjustable neck locating rack for tumour radiotherapy, includes the bottom plate, the one side fixed mounting of bottom plate has two loop bars, two the inner wall of loop bar all is equipped with the lifter, two the one end fixed mounting that the loop bar was kept away from to the lifter has a deck plate, the surface of deck plate is equipped with neck supporting component, be equipped with adjustment mechanism between deck plate and the neck supporting component, the surface of deck plate still is equipped with protection machanism, be equipped with elevating system between bottom plate and the deck plate.

As a preferable technical scheme of the invention, a reinforcing rod is fixedly arranged between the two lifting rods, supporting rods are fixedly arranged on both sides of the two lifting rods, one end of each supporting rod, far away from the lifting rods, is fixedly connected with one surface of the table top plate, and stabilizing seats are uniformly and fixedly arranged on one surface, far away from the sleeve rods, of the bottom plate.

As a preferred technical scheme, the head and neck support assembly comprises two arc-shaped plates, soft pads are fixedly mounted on the inner walls of the two arc-shaped plates, a neck support is fixedly arranged on one side, away from the lifting rod, of the table board, and an air bag is fixedly mounted on the inner wall of the neck support.

As a preferable technical scheme of the invention, two fixing rods are fixedly arranged on the outer wall of the neck support, and one end of each fixing rod, far away from the neck support, is fixedly connected with one surface of the table top plate.

As a preferable technical scheme of the invention, the adjusting mechanism comprises a double-threaded screw, one end of the double-threaded screw is rotatably connected with one side of the deck plate, a first guide groove is formed in one side of the deck plate, which is away from the lifting rod, two first guide blocks are slidably connected to the inner wall of the first guide groove, the double-threaded screw penetrates through the first guide groove and is rotatably connected with the two first guide blocks in a threaded manner, a connecting rod is fixedly mounted on one side of each of the two first guide blocks, and one end of the connecting rod, which is away from the first guide blocks, is fixedly connected with the outer wall of the arc-shaped plate.

As a preferable technical scheme of the invention, one end of the double-head screw is fixedly provided with a rotating disc, and one side of the rotating disc, which is far away from the double-head screw, is fixedly provided with a crank.

As a preferred technical scheme of the invention, the protection mechanism comprises a protection sleeve, one surface of the table panel, which is far away from the lifting rod, is in movable contact with one surface of the protection sleeve, one surface of the protection sleeve is fixedly provided with a connecting seat, one side of the table panel is fixedly provided with two side plates, a rotating shaft is rotatably arranged between the two side plates, the rotating shaft penetrates through the connecting seat and is fixedly connected with the connecting seat, one end of the rotating shaft is fixedly provided with a worm wheel, one side of the table panel is fixedly provided with a fixing plate, one side of the fixing plate is rotatably provided with a worm, and the worm is meshed with the worm wheel.

As a preferable technical scheme, a through groove is formed in one side of the protecting sleeve, a spongy cushion is fixedly mounted on the inner wall of the through groove, ventilating grooves are uniformly distributed in one side of the protecting sleeve, which is far away from the through groove, and a handle is fixedly mounted at one end of the worm, which is far away from the fixing plate.

As a preferred technical scheme of the invention, the lifting mechanism comprises two lifting seats, second guide grooves are respectively formed in two sides of each sleeve rod, second guide blocks are slidably connected to the inner walls of the second guide grooves, one side of each two adjacent second guide blocks is fixedly connected with one lifting seat, the other side of each two adjacent second guide blocks is fixedly connected with the outer wall of one lifting rod, a lifting plate is fixedly installed between the two lifting seats, a transverse plate is fixedly installed between the two sleeve rods, a lead screw is rotatably installed on one side of the transverse plate, the lead screw penetrates through the lifting plate and is rotatably connected with the lifting plate through threads, a servo motor is fixedly arranged on one side, close to the sleeve rods, of the bottom plate, and the driving output end of the servo motor is fixedly connected with one end of the lead screw.

As a preferred technical scheme of the invention, one end of the servo motor is fixedly connected with a fixed block, and one surface of the fixed block, which is far away from the servo motor, is fixedly connected with one surface of the bottom plate.

Compared with the prior art, the invention has the beneficial effects that:

1. the lifting plate is driven to move upwards, the lifting plate enables the lifting seat to move upwards, the lifting seat enables the second guide block to slide upwards, the second guide block enables the lifting rod to move upwards, the lifting rod enables the arc-shaped plate and the neck support to move upwards through the table board, and the heights of the arc-shaped plate and the neck support are matched with the height of a radiotherapy equipment treatment bed, so that the height adjustment of the arc-shaped plate and the neck support is conveniently realized, and the flexibility of the head and neck positioning frame is effectively improved;

2. the neck of the patient is contacted with the air bag, the neck support and the air bag support the neck of the patient, the two arc plates and the two cushions move in opposite directions, after the two arc plates are attached, the cushions are contacted with the head of the patient, and the arc plates support the head of the patient, so that the head and the neck of the patient are conveniently supported, the comfort level of the head and the neck of the patient in the radiotherapy process is effectively improved, and meanwhile, the horizontal positions of the two arc plates are adjusted, so that the heads with different sizes can be conveniently supported;

3. through making the worm rotate, worm drive worm wheel rotates, and the worm wheel makes the axis of rotation rotate, and the axis of rotation makes the lag upset through the connecting seat, makes the lower terminal surface of lag and the up end contact of deck plate, and in the head of disease was arranged in the protective sleeve, the lag protected the head of disease to convenient realization the protection of radiotherapy in-process to the disease head, and then the effectual ray of having avoided the radiotherapy in-process caused the injury to disease head cell.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is another schematic structural view of the present invention;

FIG. 3 is a schematic view of the protective cover of the present invention in a turned open state;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 3 according to the present invention;

FIG. 6 is an enlarged view of section C of FIG. 3 according to the present invention;

FIG. 7 is a schematic view of the connection of the lifting mechanism with the loop bar and the lifting bar according to the present invention;

FIG. 8 is an enlarged view of the portion D of FIG. 7 according to the present invention.

In the figure: 1. a base plate; 11. a loop bar; 12. a lifting rod; 121. a reinforcing bar; 13. a table top plate; 14. a support bar; 15. a stabilizing base; 2. a head and neck support assembly; 21. an arc-shaped plate; 22. a soft cushion; 23. a neck support; 24. an air bag; 25. fixing the rod; 3. an adjustment mechanism; 31. a double-ended screw; 32. a first guide groove; 33. a first guide block; 34. a connecting rod; 35. rotating the disc; 36. a crank; 4. a protection mechanism; 41. a protective sleeve; 42. a through groove; 43. a sponge cushion; 44. a ventilation slot; 45. a connecting seat; 46. a side plate; 47. a rotating shaft; 48. a worm gear; 49. a worm; 5. a fixing plate; 51. a handle; 6. a lifting mechanism; 61. a lifting seat; 62. a second guide groove; 63. a second guide block; 64. a lifting plate; 65. a transverse plate; 66. a lead screw; 67. a servo motor; 68. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-8, the invention provides an adjustable head and neck positioning frame for tumor radiotherapy, which comprises a bottom plate 1, wherein two loop bars 11 are fixedly installed on one side of the bottom plate 1, lifting rods 12 are respectively arranged on the inner walls of the two loop bars 11, a table top 13 is fixedly installed at one end of each of the two lifting rods 12 far away from the loop bars 11, a head and neck supporting component 2 is arranged on the surface of the table top 13, the head and neck supporting component 2 can support the head and neck of a radiotherapy patient, an adjusting mechanism 3 is arranged between the table top 13 and the head and neck supporting component 2, the adjusting mechanism 3 can support heads with different sizes, a protecting mechanism 4 is further arranged on the surface of the table top 13, the protecting mechanism 4 can protect the head of the patient and prevent the head cells of the patient from being damaged by rays during radiotherapy, a lifting mechanism 6 is arranged between the bottom plate 1 and the table top 13, and the lifting mechanism 6 can realize height adjustment of the table top 13, so that the height of the table top plate 13 is matched with the height of radiotherapy equipment with different specifications.

Further, fixed mounting has stiffener 121 between two lifter 12, stiffener 121 can improve two lifter 12's stability, the equal fixed mounting in both sides of two lifter 12 has bracing piece 14, the one end of lifter 12 and the one side fixed connection of deck plate 13 are kept away from to bracing piece 14, bracing piece 14 can improve deck plate 13's stability, the one side evenly distributed fixed mounting that loop bar 11 was kept away from to bottom plate 1 has stable seat 15, stable seat 15 can improve bottom plate 1's stability.

Further, neck supporting component 2 is including two arcs 21, arc 21 can support the head of radiotherapy disease, the equal fixed mounting of inner wall of two arcs 21 has cushion 22, when arc 21 supports the head of disease, cushion 22 can improve the comfort level of disease head, the fixed neck brace 23 that is equipped with in one side that lifter 12 was kept away from to deck plate 13, the inner wall fixed mounting of neck brace 23 has gasbag 24, neck brace 23 and gasbag 24 can support the neck of disease.

Further, two fixing rods 25 are fixedly mounted on the outer wall of the neck support 23, one ends, far away from the neck support 23, of the two fixing rods 25 are fixedly connected with one face of the table top plate 13, and the fixing rods 25 can support and fix the neck support 23.

Further, the adjusting mechanism 3 comprises a double-threaded screw 31, one end of the double-threaded screw 31 is rotatably connected with one side of the table top 13, a first guide groove 32 is formed in one side of the table top 13, which is far away from the lifting rod 12, two first guide blocks 33 are slidably connected with the inner wall of the first guide groove 32, the first guide blocks 33 can horizontally slide along the inner wall of the first guide groove 32, the double-threaded screw 31 penetrates through the first guide groove 32 and is rotatably connected with the two first guide blocks 33 in a threaded manner, through rotating double-threaded screw 31, double-threaded screw 31 can make two first guide blocks 33 along the inner wall of first guide way 32 in opposite directions or the slip dorsad, and the equal fixed mounting of the one side of two first guide blocks 33 has connecting rod 34, and connecting rod 34 keeps away from the one end of first guide block 33 and the outer wall fixed connection of arc 21, and first guide block 33 can make arc 21 synchronous motion through connecting rod 34.

Furthermore, a rotating disc 35 is fixedly installed at one end of the double-end screw 31, a crank 36 is fixedly installed at one side of the rotating disc 35 far away from the double-end screw 31, and the crank 36 can rotate the double-end screw 31 through the rotating disc 35 by rotating the crank 36.

Further, the protection mechanism 4 includes a protection cover 41, one surface of the table panel 13 far from the lifting rod 12 is in movable contact with one surface of the protection cover 41, when the lower end surface of the protection cover 41 is attached to the upper end surface of the table panel 13, the head of a patient can be protected, one surface of the protection cover 41 is fixedly provided with a connection seat 45, the connection seat 45 can enable the protection cover 41 to be turned over to be opened or closed, one side of the table panel 13 is fixedly provided with two side plates 46, a rotation shaft 47 is rotatably arranged between the two side plates 46, the rotation shaft 47 penetrates through the connection seat 45 and is fixedly connected with the connection seat 45, by rotating the rotation shaft 47, the rotation shaft 47 can enable the connection seat 45 to rotate by taking the axis center of the rotation shaft 47 as the circle center, so that the protection cover 41 is turned over to be opened or closed, one end of the rotation shaft 47 is fixedly provided with a worm wheel 48, the worm wheel 48 can enable the rotation shaft 47 to rotate, one side of the table panel 13 is fixedly provided with a fixing plate 5, one side of the fixed plate 5 is rotatably provided with a worm 49, the fixed plate 5 can improve the stability of the worm 49, the worm 49 is meshed with the worm wheel 48, and the worm 49 can drive the worm wheel 48 to rotate by rotating the worm 49.

Further, logical groove 42 has been seted up to one side of lag 41, the inner wall fixed mounting who leads to groove 42 has foam-rubber cushion 43, foam-rubber cushion 43 can protect the neck of disease, lag 41 keeps away from one side evenly distributed who leads to groove 42 and has seted up ventilation groove 44, ventilation groove 44 can improve lag 41's ventilation performance, the disease of being convenient for breathes, the one end fixed mounting that fixed plate 5 was kept away from to worm 49 has handle 51, through knob handle 51, handle 51 can make worm 49 rotate.

Further, the lifting mechanism 6 includes two lifting seats 61, two sides of each of the two sleeve rods 11 are respectively provided with a second guide groove 62, the inner wall of the second guide groove 62 is slidably connected with a second guide block 63, the second guide block 63 can slide along the vertical direction of the inner wall of the second guide groove 62, one side of each two adjacent second guide blocks 63 is fixedly connected with one lifting seat 61, the second guide block 63 can enable the lifting seat 61 to move in the vertical direction, meanwhile, the lifting seat 61 can enable the second guide block 63 to slide in the vertical direction, the other side of each two adjacent second guide blocks 63 is fixedly connected with the outer wall of one lifting rod 12, the second guide block 63 can enable the lifting rod 12 to move in the vertical direction, a lifting plate 64 is fixedly installed between the two lifting seats 61, the lifting plate 64 can enable the lifting seat 61 to move in the vertical direction, a transverse plate 65 is fixedly installed between the two sleeve rods 11, one side of the transverse plate 65 is rotatably provided with a lead screw 66, the lead screw 66 penetrates through the lifting plate 64 and is in threaded rotating connection with the lifting plate 64, the lead screw 66 is driven to rotate, the lead screw 66 can drive the lifting plate 64 to lift in the vertical direction, one side, close to the loop bar 11, of the bottom plate 1 is fixedly provided with a servo motor 67, the driving output end of the servo motor 67 is fixedly connected with one end of the lead screw 66, and the lead screw 66 can be rotated by a driving shaft of the servo motor 67 by opening the servo motor 67.

Further, servo motor 67's one end fixedly connected with fixed block 68, servo motor 67's one side and the one side fixed connection of bottom plate 1 are kept away from to fixed block 68, and servo motor 67's stability can be improved to fixed block 68.

The working principle is as follows: when the medical staff carries out radiotherapy on a patient by using radiotherapy equipment, the medical staff firstly turns on the servo motor 67, the screw 66 is rotated by a driving shaft of the servo motor 67, the lifting plate 64 is vertically moved upwards while the screw 66 is rotated, the lifting plate 64 enables the two lifting seats 61 to synchronously move upwards, the two lifting seats 61 enable the four second guide blocks 63 to vertically slide upwards along the inner wall of the corresponding second guide groove 62, the four second guide blocks 63 enable the two lifting rods 12 to move upwards, the two lifting rods 12 enable the two arc-shaped plates 21 and the neck support 23 to move upwards through the table panel 13 until the heights of the two arc-shaped plates 21 and the neck support 23 are matched with the height of the radiotherapy equipment treatment bed, and then turns off the servo motor 67, thereby conveniently realizing the height adjustment of the arc-shaped plate 21 and the neck support 23 and further effectively improving the flexibility of the head and neck positioning frame;

subsequently, by rotating the handle 51, the handle 51 rotates the worm 49, the worm 49 drives the worm wheel 48 to rotate, the worm wheel 48 rotates the rotating shaft 47, and the rotating shaft 47 enables the protective sleeve 41 to be turned to an open state through the connecting seat 45;

when a patient lies on the upper surface of the radiotherapy equipment treatment bed, the neck of the patient is in contact with the air bag 24, at the moment, the neck support 23 and the air bag 24 support the neck of the patient, meanwhile, the crank 36 is rotated, the crank 36 rotates the double-end screw 31 through the rotating disc 35, the double-end screw 31 rotates and simultaneously enables the two first guide blocks 33 to slide along the inner wall of the first guide groove 32 in the opposite direction, the two first guide blocks 33 enable the two arc-shaped plates 21 and the two cushions 22 to move in the opposite direction through the two connecting rods 34, the crank 36 stops rotating after the two arc-shaped plates 21 which move in the opposite direction are attached, at the moment, the head of the patient is in contact with the two cushions 22, meanwhile, the two arc-shaped plates 21 support the head of the patient, thereby conveniently realizing the support of the head and the neck of the patient, further effectively improving the comfort level of the head and neck of the patient in the radiotherapy process, and simultaneously, the horizontal positions of the two arc-shaped plates 21 are adjusted, so that heads with different sizes can be supported conveniently;

finally, reverse knob handle 51 makes axis of rotation 47 antiport, axis of rotation 47 makes the upset of lag 41 through connecting seat 45, make the lower terminal surface of lag 41 and the up end contact of deck plate 13, the head of disease is arranged in lag 41, lag 41 protects the head of disease, and simultaneously, foam-rubber cushion 43 contacts with the neck position department of disease, thereby convenient realization the protection of radiotherapy in-process to the disease head, and then the effectual ray of having avoided the radiotherapy in-process leads to the fact the injury to disease head cell.

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

Claims

1. The utility model provides an adjustable neck locating rack for tumour radiotherapy, includes bottom plate (1), its characterized in that: one side fixed mounting of bottom plate (1) has two loop bars (11), two the inner wall of loop bar (11) all is equipped with lifter (12), two the one end fixed mounting that loop bar (11) were kept away from in lifter (12) has deck plate (13), the surface of deck plate (13) is equipped with neck supporting component (2), be equipped with adjustment mechanism (3) between deck plate (13) and neck supporting component (2), the surface of deck plate (13) still is equipped with protection machanism (4), be equipped with elevating system (6) between bottom plate (1) and deck plate (13).

2. The adjustable head and neck positioning frame for tumor radiotherapy according to claim 1, wherein: two fixed mounting has stiffener (121), two between lifter (12) the equal fixed mounting in both sides of lifter (12) has bracing piece (14), the one end of lifter (12) and the one side fixed connection of deck plate (13) are kept away from in bracing piece (14), the one side evenly distributed fixed mounting that loop bar (11) were kept away from in bottom plate (1) has stable seat (15).

3. The adjustable head and neck positioning frame for tumor radiotherapy according to claim 1, wherein: neck supporting component (2) are including two arcs (21), two the equal fixed mounting in inner wall of arc (21) has cushion (22), the one side that lifter (12) were kept away from in deck plate (13) is fixed and is equipped with neck brace (23), the inner wall fixed mounting of neck brace (23) has gasbag (24).

4. The adjustable head and neck positioning frame for tumor radiotherapy according to claim 3, wherein: the outer wall fixed mounting of neck brace (23) has two dead levers (25), two one end that neck brace (23) were kept away from in dead lever (25) and the one side fixed connection of deck plate (13).

5. The adjustable head and neck positioning frame for tumor radiotherapy according to claim 3, wherein: adjustment mechanism (3) are including double-end screw (31), the one end of double-end screw (31) and one side of deck plate (13) are rotated and are connected, first guide way (32) have been seted up to the one side that lifter (12) were kept away from in deck plate (13), the inner wall sliding connection of first guide way (32) has two first guide blocks (33), double-end screw (31) run through first guide way (32) and rotate with two first guide block (33) screw threads and connect, two the equal fixed mounting in one side of first guide block (33) has connecting rod (34), the outer wall fixed connection of the one end of first guide block (33) and arc (21) is kept away from in connecting rod (34).

6. The adjustable head and neck positioning frame for tumor radiotherapy according to claim 5, wherein: one end fixed mounting of double-end screw (31) has rolling disc (35), one side fixed mounting that double-end screw (31) was kept away from in rolling disc (35) has crank (36).

7. The adjustable head and neck positioning frame for tumor radiotherapy according to claim 1, wherein: protection machanism (4) are including lag (41), the one side of lifter (12) and the one side movable contact of lag (41) are kept away from in deck plate (13), the one side fixed mounting of lag (41) has connecting seat (45), one side fixed mounting of deck plate (13) has two curb plate (46), two rotate between curb plate (46) and install axis of rotation (47), axis of rotation (47) run through connecting seat (45) and with connecting seat (45) fixed connection, the one end fixed mounting of axis of rotation (47) has worm wheel (48), one side fixed mounting of deck plate (13) has fixed plate (5), worm (49) are installed in one side rotation of fixed plate (5), worm (49) and worm wheel (48) meshing connection.

8. The adjustable head and neck positioner for tumor radiotherapy according to claim 7, wherein: logical groove (42) have been seted up to one side of lag (41), the inner wall fixed mounting that leads to groove (42) has foam-rubber cushion (43), one side evenly distributed that logical groove (42) were kept away from in lag (41) has seted up ventilation groove (44), the one end fixed mounting that fixed plate (5) were kept away from in worm (49) has handle (51).

9. The adjustable head and neck positioning frame for tumor radiotherapy according to claim 1, wherein: the lifting mechanism (6) comprises two lifting seats (61), wherein second guide grooves (62) are formed in two sides of the sleeve rod (11), a second guide block (63) is connected to the inner wall of the second guide groove (62) in a sliding manner, two adjacent guide blocks are fixedly connected to one side of the second guide block (63) and one lifting seat (61), two adjacent guide blocks are fixedly connected to the other side of the second guide block (63) and the outer wall of one lifting rod (12), a lifting plate (64) is fixedly installed between the two lifting seats (61), a transverse plate (65) is fixedly installed between the two sleeve rods (11), a lead screw (66) is rotatably installed on one side of the transverse plate (65), the lead screw (66) penetrates through the lifting plate (64) and is rotatably connected with the lifting plate (64) in a threaded manner, a servo motor (67) is fixedly arranged on one side, close to the sleeve rod (11), of the bottom plate (1), and the driving output end of the servo motor (67) is fixedly connected with one end of the screw rod (66).

10. The adjustable head and neck positioner for tumor radiotherapy according to claim 9, wherein: one end fixedly connected with fixed block (68) of servo motor (67), servo motor (67)'s one side and the one side fixed connection of bottom plate (1) are kept away from in fixed block (68).