阅读说明：本技术 一种放疗科临床用辅助支架 (Clinical auxiliary stand that uses of department of radiotherapy ) 是由 时学军 楚彦升 王正乐 吕冰冰 钟晓凤 于 2021-08-25 设计创作，主要内容包括：本发明涉及放疗科辅助支架技术领域,具体为一种放疗科临床用辅助支架,包括支撑板,支撑板顶端前侧和后侧均固定连接有两个支柱,位于前侧两个支柱与位于两个后侧的两个支柱顶端均固定连接有第一弧形板,两个第一弧形板顶端均设置有第一凸型槽,两个第一凸型槽内部均滑动设置有第一凸型块,两个第一凸型块顶端均固定连接有第二弧形板,两个第二弧形板底端分别与两个第一弧形板的顶端接触,两个第二弧形板顶端固定连接有躺板,支撑板顶端通过第一固定耳转动连接有第一电动缸；其便于对患者的患者的侧部进行放射治疗,提高了其使用的实用性,能够防止患者在治疗使移动,能够防止患者在躺板上滑落,提高对患者固定的稳定性。(The invention relates to the technical field of auxiliary supports for radiotherapy departments, in particular to a clinical auxiliary support for radiotherapy departments, which comprises a support plate, wherein the front side and the rear side of the top end of the support plate are fixedly connected with two support columns, the top ends of the two support columns positioned on the front side and the two support columns positioned on the two rear sides are fixedly connected with first arc-shaped plates, the top ends of the two first arc-shaped plates are respectively provided with a first convex groove, first convex blocks are arranged in the two first convex grooves in a sliding manner, the top ends of the two first convex blocks are respectively and fixedly connected with second arc-shaped plates, the bottom ends of the two second arc-shaped plates are respectively contacted with the top ends of the two first arc-shaped plates, the top ends of the two second arc-shaped plates are fixedly connected with a lying plate, and the top end of the support plate is rotatably connected with a first electric cylinder through a first fixing lug; it is convenient for carry out radiotherapy to patient's lateral part, has improved the practicality of its use, can prevent that the patient from making the removal in the treatment, can prevent that the patient from landing on the service creeper, improves the stability fixed to the patient.)

1. The utility model provides a clinical auxiliary stand that uses of department of radiotherapy, includes backup pad (1), its characterized in that: the front side and the rear side of the top end of the supporting plate (1) are fixedly connected with two supporting columns (2), the two supporting columns (2) positioned on the front side and the top ends of the two supporting columns (2) positioned on the two rear sides are fixedly connected with first arc-shaped plates (3), the top ends of the two first arc-shaped plates (3) are respectively provided with a first convex-shaped groove, the interior of the two first convex-shaped grooves is respectively provided with a first convex-shaped block (4) in a sliding manner, the top ends of the two first convex-shaped blocks (4) are respectively and fixedly connected with second arc-shaped plates (5), the bottom ends of the two second arc-shaped plates (5) are respectively contacted with the top ends of the two first arc-shaped plates (3), the top ends of the two second arc-shaped plates (5) are fixedly connected with a lying plate (6), the top end of the supporting plate (1) is rotatably connected with a first electric cylinder (8) through a first fixing lug (7), the top end of the first electric cylinder (8) is rotatably connected with the right side of the bottom end of the lying plate (6) through a second fixing lug (9), the left end of the lying plate (6) is fixedly connected with a fixed column (10), the top end of the fixed column (10) is provided with a second convex groove, the inside of the second convex groove is provided with three second convex blocks (11) in a sliding manner, the inside of the three second convex blocks (11) is provided with a fixing mechanism, the top ends of the three second convex blocks (11) are respectively and fixedly connected with a fixed plate (12), the upper sides of the right ends of the three fixed plates (12) are respectively and fixedly connected with a support column (13), the bottom ends of the two support columns (13) positioned on the front side are respectively provided with a third convex groove, the two third convex grooves are respectively and slidably provided with a third convex block (14), the inside of the two third convex blocks (14) are respectively and threadedly connected with a first screw rod (15), the right ends of the two support columns (13) positioned on the front side are provided with a first motor (16), the output ends of the two first motors (16) are respectively and fixedly connected with the right ends of the two first screw rods (15), the bottom of two third protruding blocks (14) is equal fixedly connected with second electronic jar (17), the bottom of two second electronic jar (17) is first arc cardboard (18) of fixedly connected with and second arc cardboard (19) respectively, the bottom of support column (13) that is located the rear side is provided with fourth protruding type groove, the inside rotation in fourth protruding type groove is connected with two-way screw rod (20), the left side and the right side of the inside in fourth protruding type groove all slide and are provided with fourth protruding block (21), two fourth protruding blocks (21) all with two-way screw rod (20) threaded connection, the right-hand member fixedly connected with second motor (22) of support column (13) that is located the rear side, the output of second motor (22) and the right-hand member fixed connection of two-way screw rod (20), the bottom of two fourth protruding blocks (21) is equal fixedly connected with third electronic jar (23), the equal fixedly connected with third cardboard (24) in bottom of two third electronic jar (23).

2. The clinical auxiliary stent for radiotherapy department according to claim 1, wherein: fixed establishment includes cam (25) and card post (26), the inside of second protruding type piece (11) is provided with the spout, and the inside slip of spout is provided with slider (27), bottom fixedly connected with compression spring (28) of slider (27), the top of card post (26) and the top fixed connection of slider (27), the bottom in second protruding type groove evenly is provided with a plurality of draw-in grooves, the bottom of card post (26) extends the below of second protruding type piece (11), and the bottom of card post (26) inserts the inside to the draw-in groove, the top fixedly connected with fore-set (29) of slider (27), the top of spout is provided with the circular slot, cam (25) rotate with the circular slot through pivot (30) and are connected, the lateral wall of cam (25) and the top contact of fore-set (29).

3. The clinical auxiliary stent for radiotherapy department according to claim 2, wherein: the top of fore-set (29) is provided with the arc wall, the bottom of cam (25) and the lateral wall contact of arc wall, and first magnetic path (31) are installed in the bottom embedding of cam (25), and second magnetic path (32) are installed in the bottom embedding of arc wall.

4. The clinical auxiliary stent for radiotherapy department according to claim 3, wherein: the front end of the rotating shaft (30) extends to the front side of the second convex block (11), and the front end of the rotating shaft (30) is fixedly connected with a rotating plate (33).

5. The clinical auxiliary stent for radiotherapy department according to claim 4, wherein: still include bottom plate (34), the top of bottom plate (34) is provided with fifth protruding type groove, and the inside in fifth protruding type groove slides and is provided with fifth protruding type piece (35), and the internal thread of fifth protruding type piece (35) is connected with second screw rod (36), and second screw rod (36) rotate with bottom plate (34) and are connected, and the left end fixedly connected with of bottom plate (34) has third motor (37), the output of third motor (37) and the left end fixed connection of second screw rod (36), the top of fifth protruding type piece (35) and the bottom fixed connection of backup pad (1).

6. The clinical auxiliary stent for radiotherapy department according to claim 5, wherein: and universal wheels (38) with locking functions are arranged at four corners of the bottom end of the bottom plate (34).

7. The clinical auxiliary stent for radiotherapy department according to claim 6, wherein: the bottom ends of the first arc-shaped clamping plate (18), the second arc-shaped clamping plate (19) and the two third arc-shaped clamping plates (24) are fixedly connected with sponge pads (39).

8. The clinical auxiliary stent for radiotherapy department according to claim 7, wherein: the top end of the lying plate (6) is fixedly connected with a lying cushion (40).

9. The clinical auxiliary stent for radiotherapy department according to claim 8, wherein: the first arc-shaped clamping plate (18) is positioned on the front side of the second arc-shaped clamping plate (19).

Technical Field

The invention relates to the technical field of auxiliary supports for radiotherapy departments, in particular to an auxiliary support for clinical use in radiotherapy departments.

Background

As is well known, tumor radiotherapy is a local treatment method for treating tumors by using radiation, about 70% of cancer patients need to be treated by radiation therapy in the process of treating cancers, about 40% of cancers can be cured by radiation therapy, and the role and the position of radiation therapy in tumor treatment are increasingly prominent, so that the radiation therapy becomes one of the main means for treating malignant tumors.

Through the retrieval, chinese patent is CN 201922400776.3's utility model patent discloses a clinical auxiliary stand that uses of department of radiotherapy, including PMKD, the middle part fixedly connected with support of PMKD upper surface, its when using, solved effectively to fix patient's four limbs and the not good problem of treatment that appears.

The above prior art solutions still have the following drawbacks: it is fixed when patient's shank, needs the patient to put the leg on two bottom plate, when fixing to critically ill patient, needs medical personnel to lift patient's leg to two bottom plate on, has increased medical personnel's work load, has reduced the efficiency of treating to the patient, when patient's needs carry out radiotherapy to the side, and it is not convenient for carry out the rotation and fixation to the patient, has reduced the practicality of its use.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an auxiliary bracket for clinical radiotherapy in order to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a clinical auxiliary support for a radiotherapy department comprises a support plate, wherein two support columns are fixedly connected to the front side and the rear side of the top end of the support plate, first arc-shaped plates are fixedly connected to the front side of the top end of the support column and the top ends of the two support columns positioned on the rear sides of the support plate, first convex grooves are formed in the top ends of the first arc-shaped plates, first convex blocks are arranged in the first convex grooves in a sliding mode, second arc-shaped plates are fixedly connected to the top ends of the first convex blocks, the bottom ends of the second arc-shaped plates are respectively contacted with the top ends of the first arc-shaped plates, a lying plate is fixedly connected to the top ends of the second arc-shaped plates, a first electric cylinder is rotatably connected to the top end of the support plate through a first fixing lug, the top end of the first electric cylinder is rotatably connected with the right side of the bottom end of the lying plate through a second fixing lug, and a fixing column is fixedly connected to the left end of the lying plate, the top end of the fixed column is provided with a second convex groove, the inside of the second convex groove is provided with three second convex blocks in a sliding manner, the inside of each of the three second convex blocks is provided with a fixing mechanism, the top ends of the three second convex blocks are fixedly connected with a fixed plate, the upper sides of the right ends of the three fixed plates are fixedly connected with support columns, the bottom ends of the two support columns positioned on the front side are provided with third convex grooves, the two third convex grooves are respectively provided with third convex blocks in a sliding manner, the inside of each of the two third convex blocks is in threaded connection with a first screw rod, the right ends of the two support columns positioned on the front side are provided with first motors, the output ends of the two first motors are respectively and fixedly connected with the right ends of the two first screw rods, the bottom ends of the two third convex blocks are respectively and fixedly connected with a second electric cylinder, and the bottom ends of the two second electric cylinders are respectively and fixedly connected with a first arc-shaped clamping plate and a second arc-shaped clamping plate, the bottom that is located the support column of rear side is provided with fourth protruding type groove, the inside rotation in fourth protruding type groove is connected with two-way screw rod, the left side and the right side of the inside in fourth protruding type groove all slide and be provided with fourth protruding type piece, two fourth protruding type pieces all with two-way screw rod threaded connection, the right-hand member fixedly connected with second motor that is located the support column of rear side, the output of second motor and the right-hand member fixed connection of two-way screw rod, the equal fixedly connected with third electronic jar in bottom of two fourth protruding type pieces, the equal fixedly connected with third arc cardboard in bottom of two third electronic jars.

Preferably, fixed establishment includes cam and card post, the inside of second protruding type piece is provided with the spout, and the inside slip of spout is provided with the slider, the bottom fixedly connected with compression spring of slider, the top of card post and the top fixed connection of slider, the bottom in second protruding type groove evenly is provided with a plurality of draw-in grooves, the bottom of card post extends the below of second protruding type piece, and the bottom of card post inserts the inside to the draw-in groove, the top fixedly connected with fore-set of slider, the top of spout is provided with the circular slot, the cam rotates through pivot and circular slot and is connected, the lateral wall of cam contacts with the top of fore-set.

Preferably, the top of the top column is provided with an arc-shaped groove, the bottom end of the cam is in contact with the side wall of the arc-shaped groove, the bottom end of the cam is embedded with a first magnetic block, and the bottom end of the arc-shaped groove is embedded with a second magnetic block.

Preferably, the front end of the rotating shaft extends to the front side of the second convex block, and the front end of the rotating shaft is fixedly connected with the rotating plate.

Preferably, the bottom plate is further included, a fifth convex-shaped groove is formed in the top end of the bottom plate, a fifth convex-shaped block is arranged inside the fifth convex-shaped groove in a sliding mode, a second screw rod is connected to the inner thread of the fifth convex-shaped block, the second screw rod is connected with the bottom plate in a rotating mode, a third motor is fixedly connected to the left end of the bottom plate, the output end of the third motor is fixedly connected with the left end of the second screw rod, and the top end of the fifth convex-shaped block is fixedly connected with the bottom end of the supporting plate.

Preferably, the four corners of the bottom end of the bottom plate are provided with universal wheels with locking functions.

Preferably, the bottom ends of the first arc-shaped clamping plate, the second arc-shaped clamping plate and the two third arc-shaped clamping plates are fixedly connected with sponge pads.

Preferably, the top end of the lying plate is fixedly connected with a lying cushion.

Preferably, the first arc-shaped clamping plate is positioned at the front side of the second arc-shaped clamping plate.

(III) advantageous effects

Compared with the prior art, the invention provides an auxiliary bracket for clinical radiotherapy, which has the following beneficial effects:

1. this clinical auxiliary stand that uses of department of radiotherapy makes the service creeper rotate through the cooperation of first electronic jar, first protruding type piece and first protruding type groove, is convenient for carry out radiotherapy to patient's lateral part, has improved the practicality of its use.

2. The clinical auxiliary support for the radiotherapy department slides the three second convex blocks to one side of the lying plate through the sliding of the second convex blocks in the second convex grooves, so that a patient can conveniently lie on the lying plate, slides the three second convex blocks to proper positions simultaneously, drives the two first screws to rotate through the two first motors, drives the third convex blocks to slide in the third convex grooves by the rotation of the first screws, adjusts the positions of the first arc-shaped clamping plates and the second arc-shaped clamping plates, pushes the first arc-shaped clamping plates and the second arc-shaped clamping plates to move downwards through the two first electric cylinders, respectively fixes the head and the chest of the patient, drives the two-way screws to rotate through the second motor, adjusts the positions of the two third convex blocks and the two second arc-shaped clamping plates, pushes the two third arc-shaped clamping plates to move downwards through the two third electric cylinders to fix the legs of the patient, thereby preventing the patient from moving during treatment, can prevent the patient landing on the service creeper, improve the stability fixed to the patient.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

fig. 2 is a schematic top sectional view of the structural connection of two third electric cylinders, two arc-shaped plates, and a support pillar located at the rear side according to the present invention;

FIG. 3 is a front view of the second cam connected to the fixing post of the present invention;

fig. 4 is a schematic view of the present invention at a point a in fig. 1.

In the figure: 1. a support plate; 2. a pillar; 3. a first arc-shaped plate; 4. a first male block; 5. a second arc-shaped plate; 6. a lying board; 7. a first fixing lug; 8. a first electric cylinder; 9. a second fixing lug; 10. fixing a column; 11. a second male block; 12. a fixing plate; 13. a support pillar; 14. a third male block; 15. a first screw; 16. a first motor; 17. a second electric cylinder; 18. a first arc-shaped clamping plate; 19. a second arc-shaped clamping plate; 20. a bidirectional screw; 21. a fourth male block; 22. a second motor; 23. a third electric cylinder; 24. a third arc-shaped clamping plate; 25. a cam; 26. clamping the column; 27. a slider; 28. a compression spring; 29. a top pillar; 30. a rotating shaft; 31. a first magnetic block; 32. a second magnetic block; 33. rotating the plate; 34. a base plate; 35. a fifth convex block; 36. a second screw; 37. a third motor; 38. a universal wheel; 39. a sponge cushion; 40. a lying cushion.

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.

Examples

Referring to fig. 1-4, a clinical auxiliary support for radiotherapy department comprises a support plate 1, two pillars 2 are fixedly connected to the front side and the rear side of the top end of the support plate 1, first arc plates 3 are fixedly connected to the top ends of the two pillars 2 located on the front side and the two pillars 2 located on the rear side, first convex grooves are respectively arranged at the top ends of the two first arc plates 3, first convex blocks 4 are respectively arranged in the two first convex grooves in a sliding manner, second arc plates 5 are respectively fixedly connected to the top ends of the two first arc plates 3, lying plates 6 are fixedly connected to the top ends of the two second arc plates 5, a lying cushion 40 is fixedly connected to the top ends of the lying plates 6, the comfort level of a patient lying on the lying plates 6 is improved, a first electric cylinder 8 is rotatably connected to the top end of the support plate 1 through a first fixing lug 7, the top end of the first electric cylinder 8 is rotatably connected with the right side of the bottom end of the lying plate 6 through a second fixing lug 9, the lying plate 6 is rotated through the matching of the first electric cylinder 8, the first convex block 4 and the first convex groove, so that the lateral part of a patient is conveniently irradiated and treated, the practicability of the use of the lying plate is improved, the left end of the lying plate 6 is fixedly connected with a fixed column 10, the top end of the fixed column 10 is provided with a second convex groove, the inside of the second convex groove is slidably provided with three second convex blocks 11, the inside of the three second convex blocks 11 is respectively provided with a fixing mechanism, the top ends of the three second convex blocks 11 are respectively and fixedly connected with a fixed plate 12, the upper sides of the three fixed plates 12 are respectively and fixedly connected with a supporting column 13, the bottom ends of the two supporting columns 13 positioned at the front side are respectively provided with a third convex groove, and the equal sliding of the two third convex grooves is provided with a third convex block 14, the interior of each of the two third convex blocks 14 is in threaded connection with a first screw 15, the right ends of the two support columns 13 positioned on the front side are provided with a first motor 16, the output ends of the two first motors 16 are respectively fixedly connected with the right ends of the two first screws 15, the bottom ends of the two third convex blocks 14 are respectively and fixedly connected with a second electric cylinder 17, the bottom ends of the two second electric cylinders 17 are respectively and fixedly connected with a first arc-shaped clamping plate 18 and a second arc-shaped clamping plate 19, the first arc-shaped clamping plate 18 is positioned on the front side of the second arc-shaped clamping plate 19, the head of a patient is fixed through the first arc-shaped clamping plate 18, the chest and abdomen of the patient are fixed through the second arc-shaped clamping plate 19, the bottom end of the support column 13 positioned on the rear side is provided with a fourth convex groove, the interior of the fourth convex groove is rotatably connected with a bidirectional screw 20, the left side and the right side of the interior of the fourth convex groove are both provided with a fourth convex block 21 in a sliding manner, two fourth convex blocks 21 are both in threaded connection with a two-way screw 20, the right end of a support column 13 positioned at the rear side is fixedly connected with a second motor 22, the output end of the second motor 22 is fixedly connected with the right end of the two-way screw 20, the bottom ends of the two fourth convex blocks 21 are both fixedly connected with a third electric cylinder 23, the bottom ends of the two third electric cylinders 23 are both fixedly connected with a third arc-shaped clamping plate 24, the bottom ends of the first arc-shaped clamping plate 18, the second arc-shaped clamping plate 19 and the two third arc-shaped clamping plates 24 are all fixedly connected with a sponge pad 39 which plays a role in protecting a patient, the comfort degree of the first arc-shaped clamping plate 18, the second arc-shaped clamping plate 19 and the third arc-shaped clamping plate 24 when the patient is fixed is improved, the patient can conveniently lie on the lying plate 6 by sliding the second convex blocks 11 in the second convex grooves, the three second convex blocks 11 are convenient to lie on the lying plate 6, and simultaneously slide the three second convex blocks 11 to proper positions, drive two first screw rods 15 through two first motors 16 and rotate, first screw rod 15 rotates and makes third protruding type piece 14 slide in the inside in third protruding type groove, adjust the position of first arc cardboard 18 and second arc cardboard 19, promote first arc cardboard 18 and second arc cardboard 19 downstream through two first electronic jars 8, fix patient's head and chest respectively, drive two-way screw rod 20 through second motor 22 and rotate, adjust the position of two third protruding type pieces 14 and two second arc cardboard 19, promote two third arc cardboard 24 downstream through two electronic jars 23 of third and fix patient's shank, thereby can prevent that the patient from making the removal in the treatment, can prevent that the patient from landing on service creeper 6, improve the stability fixed to the patient.

It should be further noted that the fixing mechanism includes a cam 25 and a clamping column 26, a sliding slot is disposed inside the second convex block 11, a sliding block 27 is slidably disposed inside the sliding slot, a compression spring 28 is fixedly connected to a bottom end of the sliding block 27, a top end of the clamping column 26 is fixedly connected to a top end of the sliding block 27, a plurality of clamping slots are uniformly disposed at a bottom end of the second convex slot, a bottom end of the clamping column 26 extends below the second convex block 11, a bottom end of the clamping column 26 is inserted into the clamping slots, a top end of the sliding block 27 is fixedly connected to a top post 29, a circular slot is disposed at a top end of the sliding slot, the cam 25 is rotatably connected to the circular slot through a rotating shaft 30, an outer side wall of the cam 25 contacts with a top end of the top post 29, a front end of the rotating shaft 30 extends to a front side of the second convex block 11, and a rotating plate 33 is fixedly connected to a front end of the rotating shaft 30, when the second convex block 11 moves to a proper position, the cam 25 rotates through the rotating plate 33, the protruding end of the cam 25 is rotated to the lower side, the top column 29, the sliding block 27 and the clamping column 26 are extruded by the cam 25 to move downwards, and the clamping column 26 is inserted into the clamping groove, so that the second convex block 11 is fixed, the top end of the top column 29 is provided with an arc-shaped groove, the bottom end of the cam 25 is contacted with the side wall of the arc-shaped groove, the bottom end of the cam 25 is embedded with a first magnetic block 31, the bottom end of the arc-shaped groove is embedded with a second magnetic block 32, the second cam 25 can be prevented from rotating by the attraction of the first magnetic block 31 and the second magnetic block 32, the device further comprises a bottom plate 34, the top end of the bottom plate 34 is provided with a fifth convex groove, the fifth convex block 35 is arranged inside the fifth convex groove in a sliding manner, the inner thread of the fifth convex block 35 is connected with a second screw rod 36, the second screw rod 36 is rotatably connected with the bottom plate 34, the left end of the bottom plate 34 is fixedly connected with a third motor 37, and the output end of the third motor 37 is connected with the left side of the second screw rod 36, the top of fifth protruding type piece 35 and the bottom fixed connection of backup pad 1 drive second screw rod 36 through third motor 37 and rotate, and second screw rod 36 rotates and makes fifth protruding type piece 35 slide in the inside in fifth protruding type groove, adjusts the position about service creeper 6, is convenient for move the patient to the radiation apparatus under, is convenient for treat the patient, and the four corners position of bottom plate 34 bottom all is provided with universal wheel 38 that has locking function, is convenient for remove the device through universal wheel 38.

In this embodiment, the models of the first motor 16, the second motor 22, the third motor 37, the first electric cylinder 8, the second electric cylinder 17 and the third electric cylinder 23 are YVF2-63M1-4, YVF2-63M1-4, YVF2-63M1-4, LX1000-063, GRA-L36 and GRA-L36, respectively, the first motor 16, the second motor 22, the third motor 37, the first electric cylinder 8, the second electric cylinder 17 and the third electric cylinder 23 are all known devices directly purchased from the market and known to those skilled in the art, and we only use them here, and do not improve them in structure and function, and we will not describe here in detail, and the first motor 16, the second motor 22, the third motor 37, the first electric cylinder 8, the second electric cylinder 17 and the third electric cylinder 23 are all provided with control switches matching with them, and the installation positions of the control switches are selected according to actual use requirements, the first motor 16, the second motor 22 and the third motor 37 are both forward and reverse rotating motors, and for forward and reverse rotation of the first motor 16, the second motor 22 and the third motor 37, it is known from the patent published under the patent number CN109889124A that forward and reverse rotation of the first motor 16, the second motor 22 and the third motor 37 are well known and can be realized by those skilled in the art.

In summary, when the clinical auxiliary support for radiotherapy department is used, firstly, the three second convex blocks 11 are slid to one side of the lying plate 6, then the patient lies on the bed plate, then the three second convex blocks 11 are slid to proper positions, the two first screws 15 are driven by the two first motors 16 to rotate, the first screws 15 rotate to enable the third convex blocks 14 to slide in the third convex grooves, the positions of the first arc-shaped clamping plates 18 and the second arc-shaped clamping plates 19 are adjusted, the two first electric cylinders 8 drive the first arc-shaped clamping plates 18 and the second arc-shaped clamping plates 19 to move downwards to fix the head and the chest of the patient respectively, the second motors 22 drive the two-way screws 20 to rotate, the positions of the two third convex blocks 14 and the two second arc-shaped clamping plates 19 are adjusted, the two third electric cylinders 23 drive the two third arc-shaped clamping plates 24 to move downwards to fix the legs of the patient, drive second screw rod 36 through third motor 37 and rotate, second screw rod 36 rotates and makes fifth protruding type piece 35 slide in the inside of fifth protruding type groove, make the service creeper 6 remove about, improve patient's position, make the patient move to the radiation instrument under, when the lateral part of needs to patient's health is treated, cooperation through first electronic jar 8, first protruding type piece 4 and first protruding type groove makes service creeper 6 rotate, make patient's lateral part be located the below of radiotherapy instrument.

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.