CN114768118A

CN114768118A - Position adjustable tumor radiotherapy local protector

Info

Publication number: CN114768118A
Application number: CN202210340358.3A
Authority: CN
Inventors: 范娟; 年立全
Original assignee: Zhumadian Central Hospital
Current assignee: Zhumadian Central Hospital
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-22

Abstract

The invention discloses a position-adjustable tumor radiotherapy local protection device, which comprises a radiotherapy bed arranged below radiotherapy equipment, wherein a movable plate is movably arranged below the radiotherapy bed, a first motor is arranged at the end part of the radiotherapy bed, the output end of the first motor is fixedly connected with a first screw rod, and a second motor is arranged on the inner side of the movable plate; further comprising: the second support is movably arranged above the connecting seat, and a protective lead plate is connected between the second support and the first support; the movable frame is connected with the side wall of the guide seat through a shaft, and the upper end of the movable frame is connected with a roller through a shaft. This position adjustable tumour radiotherapy local protector adopts folded cascade's protection stereotype, can carry out convenient regulation to covering protection area and position, has effectively enlarged the application scope of device, can fix a position patient's limbs simultaneously in the protection process, avoids radiotherapy in-process maloperation and leads to healthy position to expose, and the practicality is strong.

Description

Position adjustable local protector of tumour radiotherapy

Technical Field

The invention relates to the technical field of medical auxiliary instruments, in particular to a position-adjustable tumor radiotherapy local protection device.

Background

Radiotherapy is the common therapy of treatment tumour, and in the radiotherapy process, need use radiotherapy device to carry out the ray radiation to patient's target organ that sickens to the realization is to pathological change cell's elimination, and in order to avoid patient's healthy health body part to suffer the ray radiation damage simultaneously, need use local protector to come to carry out effectual covering, protection to patient's important organ, but current tumour radiotherapy local protector still has some inadequately.

For example, CN111870823A, a multifunctional organ protection device for radiotherapy, which comprises a plate with radiation protection function, a structural design of electromagnetic shielding structural substrate, wherein the electromagnetic shielding structural substrate can reflect electromagnetic waves, so that the radiation protection plate can reflect electromagnetic waves, thereby ensuring the basic function of the radiation protection plate for shielding electromagnetic waves, and a structural design of electromagnetic attenuation functional layer, wherein the electromagnetic attenuation functional layer can attenuate the electromagnetic waves passing through the electromagnetic attenuation functional layer, so that the electromagnetic waves can pass through the electromagnetic attenuation functional layer before reaching the electromagnetic shielding structural substrate, but the position and the covering area of the protection device are inconvenient to adjust conveniently in use, thereby reducing the application range of the device to a great extent, and simultaneously, the limb of a patient is inconvenient to fix in the protection process, the patient is easy to malfunction in the radiotherapy process to influence the covering protection effect, and certain use defects exist.

We therefore propose a position-adjustable local protection device for tumor radiotherapy, in order to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a position-adjustable tumor radiotherapy local protection device, which solves the problems that the tumor radiotherapy local protection device in the prior market proposed by the background technology is inconvenient to conveniently adjust the position and the covering area of the protection device, so that the application range of the device is greatly reduced, and simultaneously, the device is inconvenient to fix the limbs of a patient in the protection process, so that the patient is easy to move mistakenly in the radiotherapy process to influence the covering protection effect.

In order to achieve the purpose, the invention provides the following technical scheme: a position-adjustable tumor radiotherapy local protection device comprises a radiotherapy bed arranged below radiotherapy equipment, wherein a movable plate is movably arranged below the radiotherapy bed, a first motor is arranged at the end part of the radiotherapy bed, the output end of the first motor is fixedly connected with a first screw rod, a second motor is arranged on the inner side of the movable plate, a driving gear is fixedly arranged at the output end of the second motor, and the inner side shaft of the movable plate is connected with a first transmission gear and two second transmission gears which are symmetrically distributed;

further comprising:

the two guide seats are symmetrically and fixedly arranged on two sides of the movable plate, a first support is arranged on the inner side of each guide seat, and a sliding groove is formed in the outer wall of each first support;

the connecting seat is fixedly arranged at the lower end of the first support, a third motor is fixedly arranged at the end part of the connecting seat, a guide groove is formed in the connecting seat, a second screw rod is connected to the inner side shaft of the guide groove, and the end part of the second screw rod is fixedly connected with the output end of the third motor;

the second support is movably arranged above the connecting seat, and a protective lead plate is connected between the second support and the first support;

the adjustable shelf, the hub connection in the lateral wall of guide holder, the upper end hub connection of adjustable shelf has the gyro wheel, just the extensible member is installed to the lateral wall of adjustable shelf, and the tip fixedly connected with splint of extensible member.

Preferably, the movable plate is attached to the radiotherapy bed, a sliding block is fixedly arranged on the upper surface of the movable plate, a sliding structure is formed between the sliding block and a groove formed in the lower surface of the movable plate, and meanwhile the sliding block is in threaded connection with the first screw rod.

By adopting the technical scheme, the first motor is controlled to drive the first screw rod to rotate, the first screw rod can drive the sliding block to move and adjust along the outer side of the first screw rod, so that the position of the movable plate can be adjusted, and the movable plate can drive the protective mechanism above the movable plate to cover different body positions of a patient.

Preferably, the driving gear is meshed with the first transmission gear, the driving gear and the first transmission gear are respectively connected with the two second transmission gears through belt pulleys, tooth blocks are uniformly arranged on the inner side of the first support, and the tooth blocks are meshed with the second transmission gears.

Through adopting above-mentioned technical scheme for the second motor can carry out the counter rotation through two second drive gear of transmission effect drive, and then makes second drive gear can drive two first supports through the meshing effect and carry out sliding adjustment.

Preferably, the first support runs through in the guide holder, just the first support is the arc structure setting, and first support constitutes extending structure with the guide holder, simultaneously the ball is installed in the inner wall embedding of guide holder, moreover the ball constitutes sliding construction with the spout.

Through adopting above-mentioned technical scheme for when the tooth piece that first support is inboard was meshed with second drive gear, can drive first support and adjust telescopically in the inboard of guide holder, thereby carry out convenient, stable regulation to the position of first support, provide the condition for follow-up covering to patient's health side.

Preferably, the lower end of the second bracket and the guide groove form a sliding structure, and the lower end of the second bracket is in threaded connection with the second screw rod.

Through adopting above-mentioned technical scheme for control third motor drives the second lead screw and rotates, can make the second support slide along the spout under threaded connection effect, and then realize the regulation to first support position.

Preferably, the first bracket and the second bracket have the same size, the first bracket and the second bracket are parallel to each other, and the protective lead plate connected between the first bracket and the second bracket is in a folded corrugated plate shape.

Through adopting above-mentioned technical scheme for adjust the distance between first support and the second support, can realize folding and the expansion to the protection stereotype, thereby realize adjusting the protection area of device, further improved the suitability of device.

Preferably, the movable frame is symmetrically provided with two movable frames about the movable plate, a torsion spring is connected between the shaft end of the movable frame and the guide seat, and the roller mounted at the upper end of the movable frame corresponds to the first support in position.

Through adopting above-mentioned technical scheme for when first support carries out the regulation of stretching out and drawing back, can conflict the gyro wheel, make the adjustable shelf carry out elastic rotation, thereby realize the regulation to the splint position.

Preferably, the extensible member includes expansion bracket, a fixed cylinder and reset spring, just expansion bracket and a fixed cylinder constitute extending structure, and be connected with reset spring between expansion bracket and the fixed cylinder, simultaneously expansion bracket end and splint fixed connection, moreover splint are the setting of arc structure.

Through adopting above-mentioned technical scheme, when the adjustable shelf rotated, can adjust the position of splint through the extensible member for splint can contradict in patient's is external, thereby realizes the location to patient's limbs, avoids patient's radiotherapy in-process maloperation and leads to healthy position to expose, has further improved the protective effect of device.

Compared with the prior art, the invention has the beneficial effects that: the tumor radiotherapy local protection device with the adjustable position adopts the foldable protection lead plate, can conveniently adjust the covering protection area and the position, effectively enlarges the application range of the device, can position the limbs of a patient in the protection process, avoids the exposure of healthy parts caused by misoperation in the radiotherapy process, and has strong practicability, and the specific contents are as follows;

1. the movable plate and the first screw rod are arranged, the first screw rod is driven to rotate by controlling the first motor, the first screw rod can drive the sliding block and the movable plate to be adjusted in a sliding mode along the outer side of the radiotherapy bed, and then the movable plate can conveniently adjust the position of a protection structure arranged on the outer side of the movable plate, so that the device can cover and protect healthy parts of different positions of a patient;

2. the device is provided with a first support, a second support and a protective lead plate, the second transmission gear is controlled to rotate and adjust, the second transmission gear can drive the first support to stretch and retract and adjust through meshing action, so that the protective lead plate on the outer side of the first support only covers the side body of a patient, and meanwhile, the protective lead plate can be stretched or folded by controlling the second support to slide and adjust, so that the protection area of the device can be adjusted, and the applicability of the device is further improved;

3. be provided with adjustable shelf and splint, along with the flexible regulation of first support, can be so that it promotes the adjustable shelf and carries out synchronous elastic rotation for splint can laminate in patient's the limbs outside under the drive of extensible member, thereby realize the location to patient's limbs, avoid among the radiotherapy process patient mistake to move and lead to healthy position to expose, further improved the protective effect of device.

Drawings

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

FIG. 2 is a schematic top view of the connecting base of the present invention;

FIG. 3 is a schematic view of the mounting structure of the extensible member of the present invention;

FIG. 4 is a schematic main sectional view of the extension of the present invention;

FIG. 5 is a schematic view of a torsion spring mounting structure according to the present invention;

FIG. 6 is a perspective view of a first bracket and a second bracket according to the present invention;

FIG. 7 is a schematic top view of the present invention.

In the figure: 1. a radiotherapy bed; 2. a movable plate; 3. a slider; 4. a first motor; 5. a first lead screw; 6. a second motor; 7. a drive gear; 8. a first drive gear; 9. a second transmission gear; 10. a guide seat; 1001. a ball bearing; 11. a first bracket; 12. a tooth block; 13. a chute; 14. a connecting seat; 15. a third motor; 16. a guide groove; 17. a second lead screw; 18. a second bracket; 19. a protective lead plate; 20. a movable frame; 21. a torsion spring; 22. a roller; 23. a telescoping member; 2301. a telescopic frame; 2302. a fixed cylinder; 2303. a return spring; 24. and (4) clamping the plate.

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.

Referring to fig. 1-7, the present invention provides a technical solution: a position-adjustable tumor radiotherapy local protection device comprises a radiotherapy bed 1 arranged below radiotherapy equipment, wherein a movable plate 2 is movably arranged below the radiotherapy bed 1, a first motor 4 is arranged at the end part of the radiotherapy bed 1, the output end of the first motor 4 is fixedly connected with a first screw rod 5, a second motor 6 is arranged on the inner side of the movable plate 2, a driving gear 7 is fixedly arranged at the output end of the second motor 6, and the inner side shaft of the movable plate 2 is connected with a first transmission gear 8 and two second transmission gears 9 which are symmetrically distributed;

further comprising: the two guide bases 10 are symmetrically and fixedly arranged on two sides of the movable plate 2, a first support 11 is arranged on the inner side of each guide base 10, and a sliding groove 13 is formed in the outer wall of each first support 11; the connecting seat 14 is fixedly installed at the lower end of the first bracket 11, the end part of the connecting seat 14 is fixedly installed with a third motor 15, a guide groove 16 is formed in the connecting seat 14, the inner side shaft of the guide groove 16 is connected with a second screw rod 17, and the end part of the second screw rod 17 is fixedly connected with the output end of the third motor 15; the second bracket 18 is movably arranged above the connecting seat 14, and a protective lead plate 19 is connected between the second bracket 18 and the first bracket 11; the movable frame 20 is connected to the side wall of the guide seat 10 through a shaft, the upper end of the movable frame 20 is connected to a roller 22 through a shaft, an expansion piece 23 is installed on the side wall of the movable frame 20, and a clamping plate 24 is fixedly connected to the end of the expansion piece 23.

Fly leaf 2 laminates with radiotherapy bed 1 mutually, and the fixed surface of the upper surface of fly leaf 2 is provided with slider 3, and constitute sliding structure between the recess that slider 3 and fly leaf 2 lower surface were seted up, slider 3 and first lead screw 5 threaded connection simultaneously, as shown in fig. 1, lie the patient in radiotherapy bed 1 top, then start first motor 4, make first motor 4 drive first lead screw 5 and carry out synchronous revolution, make first lead screw 5 drive fly leaf 2 through the threaded connection effect and adjust along the lower surface of radiotherapy bed 1, make fly leaf 2 remove to the healthy health position outside of patient.

The driving gear 7 is meshed with the first transmission gear 8, the driving gear 7 and the first transmission gear 8 are connected with the two second transmission gears 9 through belt pulleys respectively, the inner side of the first support 11 is evenly provided with tooth blocks 12, and the tooth blocks 12 are meshed with the second transmission gears 9. First support 11 runs through in guide holder 10, and first support 11 is the arc structure setting, and first support 11 constitutes extending structure with guide holder 10, ball 1001 is installed in the inner wall embedding of guide holder 10 simultaneously, and ball 1001 constitutes sliding structure with spout 13, as shown in fig. 1, fig. 3 and fig. 7, start second motor 6, make second motor 6 pass through drive gear 7, the transmission of first drive gear 8 drives second drive gear 9 and carries out synchronous revolution, make second drive gear 9 mesh with the block tooth 12 of first support 11 inner wall setting, thereby transfer first support 11 and slide along the inboard of guide holder 10, flexible, thereby realize the quick adjustment to first support 11 position, make the protection lead plate 19 of connecting in the first support 11 outside can carry out effectual hiding to patient's health.

The lower end of the second bracket 18 and the guide groove 16 form a sliding structure, and the lower end of the second bracket 18 is in threaded connection with the second screw rod 17. The first support 11 and the second support 18 have the same size, the first support 11 and the second support 18 are parallel to each other, and the protective lead plate 19 connected between the first support 11 and the second support 18 is in a folded corrugated plate shape, as shown in fig. 1-2 and fig. 6-7, the third motor 15 is controlled to drive the second lead screw 17 to rotate, so that the second lead screw 17 is in threaded connection with the lower end of the second support 18, and the second support 18 is driven to slide along the guide groove 16 for adjustment, so that the distance between the first support 11 and the second support 18 is adjusted, the protective lead plate 19 can be stretched or folded, and the covering and protection range of the device can be conveniently adjusted.

Two movable frames 20 are symmetrically arranged about the movable plate 2, a torsion spring 21 is connected between the shaft end of the movable frame 20 and the guide seat 10, and a roller 22 mounted on the upper end of the movable frame 20 corresponds to the position of the first bracket 11. Extensible member 23 includes expansion bracket 2301, fixed section of thick bamboo 2302 and reset spring 2303, and expansion bracket 2301 and fixed section of thick bamboo 2302 constitute extending structure, and be connected with reset spring 2303 between expansion bracket 2301 and the fixed section of thick bamboo 2302, the terminal and splint 24 fixed connection of expansion bracket 2301 simultaneously, and splint 24 is the setting of arc structure, as shown in fig. 1 and 3-5, along with first support 11's removal, can make its conflict promote movable frame 20 and carry out elastic rotation, make splint 24 can conflict patient's limbs, continue rotatory movable frame 20, can make extensible member 23 carry out flexible regulation, make splint 24 can fix the patient's of different sizes limbs, avoid the patient to take place the maloperation and lead to healthy position to expose at the radiotherapy in-process, thereby further improved the guard effect of device.

The working principle is as follows: when the position-adjustable local tumor radiotherapy protection device is used, as shown in fig. 1 to 7, a patient lies on the radiotherapy bed 1, the first motor 4 is started, the movable plate 2 is adjusted to the outer side of a healthy part of the patient, the second motor 6 is started, the second transmission gear 9 adjusts the first support 11 in the rotation process, the first support 11 can move to the position above the healthy part of the patient, the second support 18 is controlled to move and adjust according to the area of the part of the patient to be protected subsequently, the protection lead plate 19 is folded or stretched, effective covering protection of different positions of the patient is achieved, meanwhile, the movable frame 20 can be pushed to rotate elastically in the movement process of the second support 18, the clamp plate 24 can fix limbs of patients with different body shapes, and healthy part exposure caused by misoperation of the patient in the radiotherapy process is avoided, thereby completing a series of works.

Those not described in detail in this specification are prior art well known to those skilled in the art, and in the description of the present invention, "plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims

1. The tumor radiotherapy local protection device with the adjustable position comprises a radiotherapy bed (1) installed below radiotherapy equipment, wherein a movable plate (2) is movably arranged below the radiotherapy bed (1), a first motor (4) is installed at the end part of the radiotherapy bed (1), the output end of the first motor (4) is fixedly connected with a first screw rod (5), a second motor (6) is installed on the inner side of the movable plate (2), a driving gear (7) is fixedly installed at the output end of the second motor (6), and a first transmission gear (8) and two second transmission gears (9) which are symmetrically distributed are axially connected to the inner side of the movable plate (2);

it is characterized by also comprising:

the two guide seats (10) are symmetrically and fixedly arranged on two sides of the movable plate (2), a first support (11) is arranged on the inner side of each guide seat (10), and a sliding groove (13) is formed in the outer wall of each first support (11);

the connecting seat (14) is fixedly installed at the lower end of the first support (11), a third motor (15) is fixedly installed at the end of the connecting seat (14), a guide groove (16) is formed in the connecting seat (14), a second screw rod (17) is connected to the inner side shaft of the guide groove (16), and meanwhile the end of the second screw rod (17) is fixedly connected with the output end of the third motor (15);

the second support (18) is movably arranged above the connecting seat (14), and a protective lead plate (19) is connected between the second support (18) and the first support (11);

the movable frame (20), the hub connection in the lateral wall of guide holder (10), the upper end hub connection of movable frame (20) has gyro wheel (22), just extensible member (23) are installed to the lateral wall of movable frame (20), and tip fixedly connected with splint (24) of extensible member (23).

2. The local protection device for tumor radiotherapy with adjustable position as claimed in claim 1, wherein: the movable plate (2) is attached to the radiotherapy bed (1), a sliding block (3) is fixedly arranged on the upper surface of the movable plate (2), a sliding structure is formed between the sliding block (3) and a groove formed in the lower surface of the movable plate (2), and meanwhile the sliding block (3) is in threaded connection with a first screw rod (5).

3. The local protection device for tumor radiotherapy with adjustable position as claimed in claim 1, wherein: drive gear (7) and first drive gear (8) meshing are connected, just both are connected through the belt pulley between drive gear (7) and first drive gear (8) and two second drive gear (9) respectively, and the inboard of first support (11) evenly is provided with tooth piece (12), moreover tooth piece (12) and second drive gear (9) meshing are connected.

4. The local protection device for tumor radiotherapy with adjustable position of claim 3, wherein: first support (11) run through in guide holder (10), just first support (11) are the arc structure setting, and first support (11) constitute extending structure with guide holder (10), simultaneously ball (1001) are installed in the inner wall embedding of guide holder (10), moreover ball (1001) constitute sliding construction with spout (13).

5. The local protection device for tumor radiotherapy with adjustable position of claim 1, wherein: the lower end of the second support (18) and the guide groove (16) form a sliding structure, and the lower end of the second support (18) is in threaded connection with the second screw rod (17).

6. The local protection device for tumor radiotherapy with adjustable position as claimed in claim 1, wherein: the first support (11) and the second support (18) are the same in size, the first support (11) and the second support (18) are parallel to each other, and a protective lead plate (19) connected between the first support (11) and the second support (18) is in a folded corrugated plate shape.

7. The local protection device for tumor radiotherapy with adjustable position as claimed in claim 1, wherein: two movable frames (20) are symmetrically arranged relative to the movable plate (2), a torsion spring (21) is connected between the shaft end of each movable frame (20) and the corresponding guide seat (10), and a roller (22) mounted at the upper end of each movable frame (20) corresponds to the position of the corresponding first support (11).

8. The local protection device for tumor radiotherapy with adjustable position of claim 1, wherein: the telescopic piece (23) comprises a telescopic frame (2301), a fixed cylinder (2302) and a return spring (2303), the telescopic frame (2301) and the fixed cylinder (2302) form a telescopic structure, the return spring (2303) is connected between the telescopic frame (2301) and the fixed cylinder (2302), meanwhile, the tail end of the telescopic frame (2301) is fixedly connected with a clamping plate (24), and the clamping plate (24) is arranged in an arc structure.