Lying and leaning positioning plate for radiotherapy

Abstract

The utility model belongs to the technical field of radiotherapy auxiliary equipment, and particularly relates to a radiotherapy lying and leaning positioning plate which comprises a seat body, a headrest seat arranged on the seat body and a handle, a pillow cavity is formed in the headrest seat and used for a head to rest, the handle is slidably connected to the seat body, and the handle slides front and back in the horizontal direction. The handle is provided with the adjusting assembly, the adjusting assembly is arranged between the seat body and the handle, and the adjusting assembly is used for adjusting the sliding distance of the handle and can adapt to arm stretching distances of different crowds, so that the position of a user can be accurately fixed during chemotherapy, and the adjusting effect is optimized.

Description

Technical Field

[0001] The present technical solution relates to the technical field of radiotherapy auxiliary equipment, and in particular to a radiotherapy lying positioning board. Background Art

[0002] The radiotherapy frame, also known as the radiotherapy bracket, is an important auxiliary equipment specially used in the radiotherapy process. It is mainly used to support and fix the patient to ensure the patient's position is stable during radiotherapy, thereby ensuring that the radiation can accurately irradiate the tumor site.

[0003] For example, Chinese patent CN108283762A discloses a human radiotherapy positioning frame, including a back pad, a lower body pad, a support adjustment seat, a thermoplastic pad and an adjustment positioning component. The right end of the back pad is hinged with the left end of the lower body pad, a support adjustment seat with adjustable height is provided below the left end of the back pad, a thermoplastic pad for easy disassembly and assembly is provided on the right side of the back pad, the adjustment positioning component includes a headrest, a gripping rod, an arm limit rod, a gear pad and a foot pedal, and a headrest is provided on the upper left side of the back pad, which is located on the left side of the thermoplastic pad and can adjust the left and right positions.

[0004] The above-mentioned human radiotherapy positioning frame needs to accurately position the patient when in use to minimize the damage of radiotherapy to normal tissues. The adjustment positioning component cannot meet the different needs of different groups of people, and the adjustment effect is poor, which needs to be improved. Summary of the invention

[0005] In order to improve the problem of poor adjustment effect of the adjustment positioning component, the present technical solution provides a radiotherapy lying positioning plate.

[0006] The purpose of this technical solution is achieved in this way:

[0007] A radiotherapy lying positioning plate includes a seat, a headrest seat arranged on the seat, and a handle, the headrest seat is provided with a pillow cavity, the pillow cavity is used for the head to rest, the handle is slidably connected to the seat, the handle slides back and forth in a horizontal direction, the handle is provided with an adjustment component, the adjustment component is arranged between the seat and the handle, and the adjustment component is used to adjust the sliding distance of the handle.

[0008] Through the above technical solution, when the radiotherapy lying positioning board is used normally, the user lies on a flat surface with the head facing the direction of the seat body. A headrest seat is installed on the seat body, and a pillow cavity is opened in the headrest seat. The shape of the pillow cavity conforms to the structure of the human head, so that the user's head rests on the inner wall of the pillow cavity to achieve positioning, thereby improving the comfort level. The user holds both ends of the hand grip with both hands, and the adjustment component drives the hand grip to slide forward and backward in the direction relative to the user to adjust the position, which can adapt to the arm span distance of different people, so that the user's position can be accurately fixed during chemotherapy, and the adjustment effect is optimized.

[0009] Preferably, the headrest seat is slidably connected to the seat body, the sliding direction of the headrest seat is parallel to the sliding direction of the handle, the headrest seat is provided with a positioning plate, the positioning plate is provided with a strip groove, the length of the strip groove corresponds to the sliding range of the headrest seat, the seat body is provided with a positioning hole, the positioning hole and the strip groove are correspondingly connected, the positioning plate is provided with a positioning bolt, and the positioning bolt passes through the strip groove and is threadedly connected to the positioning hole.

[0010] Through the above technical scheme, the headrest seat is installed with a positioning plate, the length direction of the strip groove of the positioning plate is adapted to the sliding direction of the headrest seat, the headrest seat drives the positioning plate to move synchronously, the through position of the strip groove is always aligned with the position of the positioning hole of the seat body, the positioning bolt passes through the strip groove and is threadedly connected to the positioning hole, when the positioning bolt is loosened, the headrest seat can be moved to adjust the position, after the headrest seat is moved to the appropriate position, the positioning bolt is tightened to realize the adjustment and positioning of the headrest seat, the headrest seat and the sliding cooperation of the handle increase the adjustable range, and further enhance the adjustment effect.

[0011] Preferably, the adjustment assembly includes a sliding seat and a guide seat, the guide seat is arranged on the seat body, the handle is arranged on the sliding seat, the sliding seat is slidably connected to the guide seat, and a sliding groove is provided on the end surface of the sliding seat facing the guide seat, and the sliding seat is embedded in the guide seat through the sliding groove to guide the sliding.

[0012] Through the above technical scheme, the two guide seats are fixed on the seat body in parallel with each other, the sliding seat is fixedly connected to the hand handle, and the connection is firm to ensure that the movement of the sliding seat can drive the hand handle to move synchronously. The sliding groove of the sliding seat horizontally passes through one side of the sliding seat and contacts the guide seat. The size of the sliding groove matches the size of the guide seat. The guide seat can accurately slide and guide to embed into the sliding groove. The cooperation of the sliding groove and the guide seat can ensure the stability and accuracy of the sliding process.

[0013] Preferably, the sliding seat is slidably connected with a locking block, the locking block comprises a pressing portion, a connecting rod and a plug portion, the connecting rod is fixedly connected to the pressing portion, the plug portion is threadedly fixed to a side of the connecting rod away from the pressing portion, the locking block is provided with an elastic member, the pressing portion is provided with an embedding groove for the elastic member to be embedded, the sliding seat is provided with a sliding hole, the elastic member pushes the pressing portion to protrude through the sliding hole, the pressing portion has a butt ring, and the butt ring is used for butt limiting;

[0014] The seat body is provided with a plurality of insertion holes, and the insertion holes are distributed in positions corresponding to the sliding direction of the sliding seat. The sliding seat is hinged with a pressure plate. When the plug part is aligned with the insertion hole, the pressure plate flips along the hinge axis to press the pressing part.

[0015] Through the above technical solution, the sliding seat is slidably connected with a locking block, and the locking block is connected to the pressing parts and the plug parts at both ends by a connecting rod to form a whole, the pressing part passes through the sliding hole, and the elastic member is sleeved on the connecting rod. The elastic tension of the elastic member pushes the pressing part toward the sliding hole so that the abutment ring of the pressing part has a tendency to press against the inner wall of the sliding hole corresponding to the sliding seat, so that the pressing part protrudes upward from the sliding hole, and the seat body is provided with a plurality of jacks spaced apart along the sliding direction of the sliding seat, and the jacks are embedded in cooperation with the plug part to realize step-by-step positioning. At this time, the plug part and the socket remain disengaged, the plug part is positioned against the lower end surface of the sliding seat, and the sliding seat is hinged with a pressing plate. When the sliding seat is moved to a suitable position, the plug part is aligned with the socket, and the pressing plate is flipped close to the sliding seat. The pressing plate presses against the sliding seat, so that the pressing plate presses the pressing part downward, and the locking block overcomes the elastic force of the elastic member to embed the plug part into the corresponding socket, thereby realizing a more accurate positioning of the sliding seat on the seat body, simple operation, and improving the stability of the handle adjustment and the accuracy of positioning.

[0016] Preferably, the pressure plate is provided with a snap-fit ​​buckle, the snap-fit ​​buckle is provided with a snap-fit ​​hole, the sliding seat is fixed with a snap-fit ​​point corresponding to the snap-fit ​​hole, and the snap-fit ​​point is engaged with the snap-fit ​​hole to achieve positioning.

[0017] Through the above technical solution, the pressure plate is fixed with a snap buckle, and a corresponding snap hole is opened at the position of the snap buckle corresponding to the snap point. After the pressure plate is flipped close to the sliding seat, the snap buckle can be aligned with the snap hole so that the snap point is embedded in the snap hole to achieve positioning, thereby improving the fixing effect of the flipping of the pressure plate and the stability of the pressing on the pressing part.

[0018] Preferably, the hand grip comprises a grip rod and a grip seat, the grip rod is slidably connected to the grip seat, the grip rod comprises a grip portion and a sliding portion, the grip seat is provided with a sliding hole, the sliding portion passes through the sliding hole, and the grip portion is used for gripping;

[0019] The sliding part is provided with a plurality of displacement grooves, the handle seat is hinged with a locking buckle, and the handle seat is provided with a yielding groove corresponding to the position of the locking buckle. When the displacement groove is connected with the yielding groove, the locking buckle is flipped to make it engage and position the sliding part.

[0020] Through the above technical scheme, the hand grip includes two parts, a grip rod and a grip seat. The grip portion of the grip rod is responsible for being gripped by the user. The hand grip is fixedly connected to the sliding seat through the grip seat to achieve synchronous sliding with the sliding seat. The sliding portion of the grip rod passes through the sliding hole of the grip seat, so that the grip rod can slide up and down along the grip seat through the sliding portion to achieve lifting and lowering to change the height, thereby changing the position of the grip portion. The user can adjust the position of the grip rod according to personal hand shape and gripping habits to suit different groups of people and improve applicability.

[0021] Based on the fact that a plurality of displacement grooves are provided on the sliding part and are spaced apart along the length direction of the sliding part, a locking buckle is hinged on the handle seat. After the handle rod is moved to a suitable position, the locking piece corresponds to the position of one of the displacement grooves. When the locking buckle is flipped, the displacement groove is engaged or released with the displacement groove to achieve step-by-step positioning, thereby improving the accuracy and stability of positioning.

[0022] Preferably, the sliding part is provided with a limiting groove along the length direction, the handle seat is provided with a limiting hole, the limiting hole is threadedly connected with a limiting bolt, and when the limiting bolt passes through the limiting hole, it is pressed against the bottom of the limiting groove to limit the circumferential rotation of the sliding part.

[0023] Through the above technical scheme, a limiting groove is provided on the sliding part, and when the sliding part is embedded in the sliding hole, the opening of the limiting groove is aligned with the limiting hole of the handle seat, so that the limiting hole can pass through to the limiting groove, and the limiting bolt passes through the limiting hole and is tightened by thread until it is tightly pressed against the bottom of the limiting groove, thereby further enhancing the stability of the lifting adjustment of the handle rod, and the limiting bolt is located in the limiting groove so that when the sliding part rotates, both side walls of the limiting groove will contact the limiting bolt to realize the circumferential rotation limit of the rotating part, thereby preventing the sliding part from circumferentially rotating when subjected to external force, thereby further enhancing the stability of the handle rod.

[0024] Preferably, supporting parts are provided on both sides of the seat body, and the supporting parts on both sides extend upwardly and obliquely away from each other, and the supporting parts are provided with carrying grooves for grasping and carrying the seat body.

[0025] Through the above technical scheme, supporting parts are arranged on both sides of the seat body, and the supporting parts extend upward in an inclined direction away from each other. The supporting parts on both sides cooperate with the user to naturally place his arms when holding the handle bar, thereby reducing the poor positioning effect caused by arm shaking or fatigue and improving the comfort of use. The supporting parts on both sides are provided with hand carrying slots. When the seat body needs to be moved, the seat body can be lifted by grasping the outer walls of the supporting parts corresponding to the hand carrying slots on both sides, thereby improving the convenience of carrying the seat body.

[0026] Preferably, the seat body is provided with fixing feet, the fixing feet extend to both sides of the seat body, the fixing feet are provided with connecting holes, and the connecting holes are used for bolts to pass through to achieve fixation.

[0027] Through the above technical solution, the two ends of the fixing feet protrude and extend on both sides of the base body, so that the base body is stably placed on a horizontal plane. The fixing feet are in contact with the plane, and the fixing feet are fastened to the plane by passing bolts through the connecting holes on the fixing feet, thereby reducing the swinging displacement caused by external forces during use, so that the base body can also remain relatively stable, thereby improving the stability of the base body installation and the accuracy of positioning.

[0028] Compared with the prior art, the technical solution has the following outstanding and beneficial technical effects:

[0029] 1. The technical solution is to slide and connect the headrest seat and the hand grip on the seat body respectively, and adjust the sliding of the hand grip by adjusting the adjustment component to change the fixed position. The headrest seat is provided with a positioning plate, and the positioning plate is provided with a strip groove. The positioning bolt is passed through the strip groove, and the headrest seat is adjusted along the strip groove to adjust the position of the threaded connection between the positioning bolt and the positioning hole of the seat body, and the mutual cooperation improves the adjustment range and enhances the adjustment effect;

[0030] 2. This technical solution provides a plurality of displacement grooves on the sliding part, and the grip seat is hinged with a locking buckle. After the grip rod is moved to a suitable position, the locking piece corresponds to one of the displacement grooves, and the locking buckle flips and engages or releases the displacement groove to achieve step-by-step positioning, thereby improving the accuracy and stability of positioning;

[0031] 3. This technical solution provides supporting parts on both sides of the seat body. The supporting parts on both sides cooperate with the user to naturally place his arms when holding the handle, thereby reducing poor positioning effect caused by arm shaking or fatigue and improving comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 Schematic diagram of the overall structure of this embodiment;

[0033] Figure 2 For this embodiment Figure 1 Schematic diagram from another perspective;

[0034] Figure 3 It is a partial explosion schematic diagram of this embodiment;

[0035] Figure 4 It is a partial cross-sectional schematic diagram of this embodiment;

[0036] Figure 5 For this embodiment Figure 4 A partial enlarged schematic diagram;

[0037] Figure 6 Another partial cross-sectional schematic diagram of the operation of this embodiment.

[0038] Figure numerals: 1, seat body; 2, headrest seat; 3, hand grip; 31, grip rod; 311, grip rod portion; 312, sliding portion; 32, grip seat; 4, pillow cavity; 5, adjustment assembly; 51, sliding seat; 52, guide seat; 6, positioning plate; 7, strip groove; 8, positioning hole; 9, positioning bolt; 10, slide groove; 11, locking block; 111, pressing portion; 112, connecting rod; 113, plug portion ; 12. Sliding hole; 13. Abutment ring; 14. Elastic member; 15. Embedded groove; 16. Insertion hole; 17. Pressure plate; 18. Snap buckle; 19. Snap hole; 20. Snap point; 21. Sliding hole; 22. Displacement groove; 23. Locking buckle; 24. Limiting groove; 25. Limiting bolt; 26. Supporting part; 27. Handle slot; 28. Fixed foot; 29. ​​Connecting hole; 30. Make way groove; 33. Limiting hole. DETAILED DESCRIPTION

[0039] The specific implementation of the technical solution is further described in detail below with reference to the accompanying drawings.

[0040] Example:

[0041] See also Figure 1 A radiotherapy lying positioning board includes a base body 1, which is placed on a horizontal plane. Supporting parts 26 are provided on both sides of the base body 1. The supporting parts 26 on both sides extend upward in directions away from each other. The supporting parts 26 are fixedly connected to the base body 1. Each supporting part 26 is provided with a hand-carrying groove 27. The two hand-carrying grooves 27 are symmetrically arranged. Each hand-carrying groove 27 passes through the end face of the corresponding supporting part 26. The part of the supporting part 26 on the side of the hand-carrying groove 27 away from the base body 1 is used for grasping.

[0042] The base body 1 is provided with a fixed foot 28, which is located at the lower side of the base body 1. Both ends of the fixed foot 28 protrude and extend on both sides of the base body 1 along the width direction. The fixed foot 28 is fixedly connected to the lower end surface of the base body 1. The fixed foot 28 is provided with a connecting hole 29. There are two connecting holes 29, which are respectively located at both ends of the fixed foot 28. The two connecting holes 29 penetrate the corresponding end surfaces in the vertical direction. The base body 1 is fixed on the plane by bolts passing through the two connecting holes 29 to achieve installation and positioning.

[0043] A headrest seat 2 and a hand grip 3 are installed on the seat body 1. The hand grip 3 is located on the upper end surface of the seat body 1 and is slidably connected to the seat body 1. The sliding direction of the hand grip 3 is arranged front and back along the length direction of the seat body 1. The headrest seat 2 is located on the upper end surface of the seat body 1 and is slidably connected to the seat body 1. The sliding direction of the headrest seat 2 is parallel to the sliding direction of the hand grip 3. The headrest seat 2 is provided with a pillow cavity 4. The pillow cavity 4 is opened on the end surface of the headrest seat 2 away from the seat body 1, and the pillow cavity 4 is used for the user to rest his head.

[0044] See also Figure 2 The headrest seat 2 is provided with a positioning plate 6, which is located at the end face of the headrest seat 2 close to the hand grip 3 and is located close to the lower end position of the seat body 1. The lower end face of the positioning plate 6 contacts the upper end face of the seat body 1, and the positioning plate 6 is fixed to the corresponding end face and protrudes and extends in the direction of the hand grip 3. The positioning plate 6 is provided with a strip groove 7, and the length direction of the strip groove 7 corresponds to the sliding direction of the headrest seat 2. The seat body 1 is penetrated by a positioning hole 8, and the penetration position of the positioning hole 8 is set corresponding to the penetration of the strip groove 7. When the headrest seat 2 drives the positioning plate 6 to slide, the penetration of the strip groove 7 is always aligned with the positioning hole 8. The positioning plate 6 is provided with a positioning bolt 9, and the positioning bolt 9 passes through the strip groove 7 in turn and is threadedly connected to the positioning hole 8. The end of the positioning bolt 9 away from the connection is against the upper end face of the positioning plate 6, so that the position of the headrest seat 2 is fixed by pressing the positioning plate 6.

[0045] See also Figure 3 The hand grip 3 is provided with an adjustment component 5, and the adjustment component 5 includes a sliding seat 51 and a guide seat 52. There are two guide seats 52, and the length directions of the two guide seats 52 are set corresponding to the sliding direction of the hand grip 3. The length directions of the two guide seats 52 are parallel to each other and symmetrically fixed on the upper end surface of the seat body 1. The sliding seat 51 is slidably connected between the two guide seats 52. The specific sliding method can be that the end surface of the sliding seat 51 facing the two guide seats 52 is provided with two sliding grooves 10, and the two sliding grooves 10 are set one by one with the two guide seats 52. The two guide seats 52 are respectively embedded in the corresponding sliding grooves 10, and the two sliding grooves 10 cooperate with the two guide seats 52 to guide the hand grip 3 to slide.

[0046] The hand grip 3 includes a grip rod 31 and a grip seat 32. The grip seat 32 is arranged in the vertical direction and the lower end is fixed on the sliding seat 51. The grip seat 32 is provided with a sliding hole 21. The sliding hole 21 is opened on the end surface of the grip seat 32 away from the sliding seat 51. The sliding hole 21 is arranged along the length direction of the grip seat 32. The grip rod 31 is located on the side of the grip seat 32 away from the sliding seat 51. The grip rod 31 is slidably connected to the grip seat 32. The grip rod 31 includes a grip portion 311 and a sliding portion 312. The sliding portion 312 is fixedly connected to the middle position of the grip portion. The sliding portion 312 passes through the sliding hole 21. The grip portion 311 is located on the side of the sliding portion 312 away from the grip seat 32. The grip rod 31 is guided to slide along the length direction of the grip seat 32 through the sliding portion 312.

[0047] The sliding portion 312 is provided with a limiting groove 24, and the limiting groove 24 is provided on the outer peripheral wall of the sliding portion 312. The length direction of the limiting groove 24 is set corresponding to the length direction of the sliding portion 312. The handle seat 32 passes through the limiting hole 33. The limiting hole 33 passes through the outer peripheral wall of the handle seat 32 to the limiting groove 24. The notch of the limiting groove 24 is aligned with the limiting hole 33. The limiting hole 33 is threadedly connected to the limiting bolt 25. The limiting bolt 25 is threadedly connected to the limiting hole 33 and passes through the limiting groove 24. The limiting bolt 25 is tightened. One end of the limiting bolt 25 is pressed against the bottom of the limiting groove 24, and the other end of the limiting bolt 25 is close to the outer wall of the handle seat 32 corresponding to the limiting hole 33 to achieve positioning. The limiting bolt 25 is used to limit the moving range and circumferential rotation of the sliding portion 312.

[0048] The sliding portion 312 is provided with a plurality of displacement grooves 22, and the plurality of displacement grooves 22 are all provided on the side wall of the sliding portion 312. The plurality of displacement grooves 22 are evenly spaced and distributed in a direction along the length direction of the sliding portion 312. The handle seat 32 is provided with a locking buckle 23, and the locking buckle 23 is located at the upper end of the handle seat 32. The locking buckle 23 is hinged to the side wall of the handle seat 32, and the hinge axis of the locking buckle 23 is parallel to the sliding direction of the hand grip 3. The handle seat 32 is provided with a yielding groove 30, and the yielding groove 30 passes through the handle seat 32 to the sliding portion 312. The locking buckle 23 is correspondingly arranged with the yielding groove 30. When the sliding portion 312 slides to the position where one of the displacement grooves 22 corresponds to the yielding groove 30, the locking buckle 23 is flipped along the hinge axis so that the locking buckle 23 is correspondingly engaged with the displacement groove 22 through the yielding groove 30 to fix the sliding portion 312.

[0049] See also Figure 4 and Figure 5 The sliding seat 51 is provided with a locking block 11, which is located in the sliding seat 51. The locking block 11 is slidably connected to the sliding seat 51. The sliding direction of the locking block 11 is vertically perpendicular to the sliding direction of the headrest seat 2. The locking block 11 includes a pressing portion 111, a connecting rod 112 and a plug portion 113. The connecting rod 112 is fixedly connected to the end surface of the pressing portion 111 facing the plug portion 113, and the other end of the connecting rod 112 is threadedly connected to the plug portion 113.

[0050] The sliding seat 51 is provided with a sliding hole 12, which is located at the end face of the sliding seat 51 away from the seat body 1, and the sliding hole 12 passes through the corresponding end face. The pressing portion 111 is arranged corresponding to the sliding hole 12, and the pressing portion 111 passes through the sliding hole 12 and extends to the outside of the sliding hole 12. The pressing portion 111 has a supporting ring 13, which extends along the outer peripheral wall of the pressing portion 111, and the supporting ring 13 is located at one end of the outer peripheral wall of the pressing portion 111 close to the plug portion 113, and the cross-sectional area of ​​the supporting ring 13 is larger than the channel cross-sectional area of ​​the sliding hole 12.

[0051] The connecting rod 112 is located at the lower end of the pressing portion 111, and the connecting rod 112 extends toward the inside of the sliding seat 51 and passes through the sliding seat 51. The plug portion 113 is located on the side of the connecting rod 112 away from the pressing portion 111, and the plug portion 113 is located outside the sliding seat 51. The locking block 11 is provided with an elastic member 14, and the elastic member 14 can be a return spring. The elastic member 14 is sleeved on the connecting rod 112, and the pressing portion 111 is provided with an embedding groove 15. 15 is located on the end surface of the pressing portion 111 facing the plug portion 113, the elastic member 14 is embedded in the embedding groove 15, one end of the elastic member 14 is pressed against the bottom of the embedding groove 15, and the other end of the elastic member 14 is pressed against the inner wall of the sliding seat 51, the elastic force of the elastic member 14 pushes the pressing portion 111 to slide upward, the abutting ring 13 is pressed against the inner wall of the sliding hole 12 of the sliding seat 51 to achieve positioning, and the plug portion 113 is close to the lower end surface of the sliding seat 51.

[0052] See also Figure 2 and Figure 6 The seat body 1 is provided with a plurality of jacks 16, each of which is evenly spaced and distributed in a direction corresponding to the sliding direction of the sliding seat 51. The jacks 16 are adapted to the plug portion 113, and the sliding seat 51 is provided with a pressing plate 17, which is located on the side of the sliding seat 51 away from the seat body 1, and the pressing plate 17 is hingedly arranged with the sliding seat 51. The hinge axis of the pressing plate 17 is perpendicular to the sliding direction of the locking block 11 and the sliding direction of the hand grip 3 at the same time, and the hinge axis position of the pressing plate 17 is located on the side close to the hand grip 3, and the pressing plate 17 flips along the hinge axis. When the plug portion 113 is aligned with one of the jacks 16, the pressing plate 17 flips along the hinge axis toward the sliding seat 51, and the pressing plate 17 presses the pressing portion 111 to slide, and the pressing portion 111 drives the plug portion 113 downward, and the plug portion 113 is embedded in the jack 16 to realize the positioning of the sliding seat 51.

[0053] The pressure plate 17 is provided with a snap-fit ​​buckle 18, which is located at one end of the pressure plate 17 away from the hinge axis and is fixed to the lower end surface of the pressure plate 17, and the snap-fit ​​buckle 18 extends in the direction away from the pressure plate 17, and the snap-fit ​​buckle 18 is penetrated by a snap-fit ​​hole 19, and the sliding seat 51 is fixed with a snap-fit ​​point 20, and the snap-fit ​​point 20 is located on the side wall of the sliding seat 51 at the position of the snap-fit ​​hole 19, and the snap-fit ​​point 20 and the snap-fit ​​hole 19 are arranged correspondingly. When the pressure plate 17 is flipped toward the direction close to the sliding seat 51, the snap-fit ​​hole 19 and the snap-fit ​​point 20 are correspondingly fitted to achieve positioning. Alternatively, a buckle hole can be opened on the side wall of the sliding seat 51 corresponding to the snap-fit ​​buckle 18, and a buckle point is fixed on the side wall of the snap-fit ​​buckle 18 facing the corresponding buckle hole, and the pressure plate 17 is fixed by fitting the buckle point and the buckle hole.

[0054] The specific working process of this program is as follows:

[0055] The technical solution is that a headrest seat 2 and a hand grip 3 are slidably connected to the seat body 1. The user lies on a flat surface and leans his head toward the headrest seat 2. The positioning bolt 9 passes through the strip groove 7 of the positioning plate 6 and is threadedly connected to the positioning hole 8 of the seat body 1 to slide the headrest seat 2 to fix the position. The hand grip 3 is provided with an adjustment component 5. The guide seat 52 is fitted with the slide groove 10 to realize sliding guidance, and the pressing portion 111 of the locking block 11 is pressed by the pressing plate 17 so that the plug portion 113 is embedded in any jack 16 for positioning. The upper and lower position adjustment of the grip rod 31 of the hand grip 3 relative to the grip seat 32 is realized by the locking buckle 23 and the yielding groove. The headrest seat 2 and the hand grip 3 cooperate to move relative to each other to adjust to the desired position, which can adapt to the arm span range of different people. The user holds the grip rod portion 311 of the grip seat 32 with both hands, and the arms can rest on the supporting portions 26 on both sides. The user's position can be accurately fixed during chemotherapy, thereby optimizing the adjustment effect.

[0056] The above shows and describes the basic principle and main features of the technical solution and the advantages of the technical solution. The technicians in this industry should understand that the technical solution is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the technical solution. Without departing from the spirit and scope of the technical solution, the technical solution will have various changes and improvements, which fall within the scope of the technical solution to be protected. The scope of protection claimed by the technical solution is defined by the attached claims and their equivalents.

Claims

1. A radiotherapy lying positioning board, comprising a seat body (1), a headrest seat (2) arranged on the seat body (1), and a hand grip (3), characterized in that: The headrest seat (2) is provided with a pillow cavity (4), and the pillow cavity (4) is used for supporting the head. The handle (3) is slidably connected to the seat body (1), and the handle (3) slides back and forth in a horizontal direction. The handle (3) is provided with an adjustment component (5), and the adjustment component (5) is arranged between the seat body (1) and the handle (3). The adjustment component (5) is used to adjust the sliding distance of the handle (3).

2. The radiotherapy lying positioning board according to claim 1, characterized in that: The headrest seat (2) is slidably connected to the seat body (1), the sliding direction of the headrest seat (2) is parallel to the sliding direction of the hand grip (3), the headrest seat (2) is provided with a positioning plate (6), the positioning plate (6) is provided with a strip groove (7), the length of the strip groove (7) corresponds to the sliding range of the headrest seat (2), the seat body (1) is provided with a positioning hole (8), the positioning hole (8) and the strip groove (7) are correspondingly connected, the positioning plate (6) is provided with a positioning bolt (9), and the positioning bolt (9) passes through the strip groove (7) and is threadedly connected to the positioning hole (8).

3. The radiotherapy lying positioning board according to claim 1, characterized in that: The adjustment assembly (5) comprises a sliding seat (51) and a guide seat (52), wherein the guide seat (52) is arranged on the seat body (1), and the hand grip (3) is arranged on the sliding seat (51), and the sliding seat (51) is slidably connected to the guide seat (52), and a sliding groove (10) is provided on the end surface of the sliding seat (51) facing the guide seat (52), and the sliding seat (51) is embedded in the guide seat (52) through the sliding groove (10) to guide the sliding.

4. The radiotherapy lying positioning board according to claim 3, characterized in that: The sliding seat (51) is slidingly connected with a locking block (11), and the locking block (11) comprises a pressing portion (111), a connecting rod (112) and a plug portion (113), the connecting rod (112) is fixedly connected to the pressing portion (111), and the plug portion (113) is threadedly fixed to a side of the connecting rod (112) away from the pressing portion (111), the locking block (11) is provided with an elastic member (14), and the pressing portion (111) is provided with a groove (15) for the elastic member (14) to be embedded, the sliding seat (51) is provided with a sliding hole (12), and the elastic member (14) pushes the pressing portion (111) to protrude through the sliding hole (12), and the pressing portion (111) has a stop ring (13), and the stop ring (13) is used for stop limiting; The seat body (1) is provided with a plurality of insertion holes (16), the insertion holes (16) being distributed in positions corresponding to the sliding direction of the sliding seat (51), the sliding seat (51) being hinged with a pressing plate (17), and when the plug portion (113) is aligned with the insertion holes (16), the pressing plate (17) is turned along the hinge axis to press the pressing portion (111).

5. The radiotherapy lying positioning board according to claim 4, characterized in that: The pressure plate (17) is provided with a snap-fit ​​buckle (18), the snap-fit ​​buckle (18) is provided with a snap-fit ​​hole (19), the sliding seat (51) is fixed with a snap-fit ​​point (20) corresponding to the snap-fit ​​hole (19), and the snap-fit ​​point (20) is fitted with the snap-fit ​​hole (19) to achieve positioning.

6. The radiotherapy lying positioning board according to claim 1, characterized in that: The hand grip (3) comprises a grip rod (31) and a grip seat (32), wherein the grip rod (31) is slidably connected to the grip seat (32), the grip rod (31) comprises a grip portion (311) and a sliding portion (312), the grip seat (32) is provided with a sliding hole (21), the sliding portion (312) passes through the sliding hole (21), and the grip portion (311) is used for gripping; The sliding part (312) is provided with a plurality of displacement grooves (22), the grip seat (32) is hinged with a locking buckle (23), and the grip seat (32) is provided with a clearance groove (30) at a position corresponding to the locking buckle (23); when the displacement groove (22) is connected to the clearance groove (30), the locking buckle (23) is flipped to engage and thereby position the sliding part (312).

7. The radiotherapy lying positioning board according to claim 6, characterized in that: The sliding part (312) is provided with a limiting groove (24) along the length direction, and the handle seat (32) is provided with a limiting hole (33). The limiting hole (33) is threadedly connected to a limiting bolt (25). When the limiting bolt (25) passes through the limiting hole (33), it is pressed against the bottom of the limiting groove (24) to limit the circumferential rotation of the sliding part (312).

8. The radiotherapy lying positioning board according to claim 1, characterized in that: Supporting parts (26) are provided on both sides of the seat body (1), and the supporting parts (26) on both sides extend upwardly and obliquely in directions away from each other. The supporting parts (26) are provided with hand-carrying grooves (27), and the hand-carrying grooves (27) are used for grasping and carrying the seat body (1).

9. The radiotherapy lying positioning board according to claim 1, characterized in that: The seat body (1) is provided with fixing feet (28), the fixing feet (28) extending to both sides of the seat body (1), the fixing feet (28) are provided with connecting holes (29), and the connecting holes (29) are used for bolts to pass through to achieve fixing.

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