CN215084350U

CN215084350U - Multi-leaf grating debugging auxiliary device for medical accelerator

Info

Publication number: CN215084350U
Application number: CN202120094536.XU
Authority: CN
Inventors: 彭少锋
Original assignee: Shenzhen Basda Medical Apparatus Co ltd
Current assignee: Shenzhen Basda Medical Apparatus Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-12-10
Anticipated expiration: 2031-01-14

Abstract

The utility model relates to the technical field of medical equipment, in particular to a medical accelerator multi-leaf grating debugging auxiliary device, which comprises first fixed fixture blocks respectively fixed at the left end and the right end of a treatment bed, wherein the bottom end of each first fixed fixture block is fixedly connected with a multi-leaf grating through a telescopic component, and the medical accelerator multi-leaf grating debugging auxiliary device also comprises a second fixed fixture block which is fixed at the middle end of the treatment bed and is positioned between the two first fixed fixture blocks, the bottom end of the second fixed fixture block is connected with a rotating mechanism, the bottom end of the rotating mechanism is fixedly connected with the telescopic component, and the telescopic component is fixedly connected with the multi-leaf grating; the height debugging of the multi-leaf grating can be automatically realized by controlling the telescopic length of the telescopic assembly, manual operation is not needed, and the convenience in operation is improved; the angle adjustment of the multi-blade grating can be automatically realized through the rotating mechanism, and the practicability of the device is improved.

Description

Multi-leaf grating debugging auxiliary device for medical accelerator

Technical Field

The utility model relates to the technical field of medical equipment, especially, indicate a medical accelerator multi-blade grating debugging auxiliary device.

Background

A medical accelerator is a particle accelerator device used for radiotherapy of tumors in biomedicine. The disassembly of the multi-leaf grating on the accelerator in the day ahead is mostly operated manually, so that the maintenance work cost is high and the operation is complicated.

Chinese publication No. CN10938180A provides an auxiliary device for repairing a multi-leaf grating of a medical accelerator, which includes a first fixing assembly and a second fixing assembly, the first fixing assembly and the second fixing assembly are respectively installed on a treatment bed of the medical accelerator, the first fixing assembly is provided with two bolt holes, the second fixing assembly is provided with one bolt hole, the bolt holes of the first fixing assembly and the second fixing assembly correspond to three bolt holes of the multi-leaf grating assembly of the medical accelerator in position, and the multi-leaf grating assembly is respectively connected with the first fixing assembly and the second fixing assembly through fixing screws. The device can conveniently lift the multi-leaf grating component and keep the multi-leaf grating component stable by utilizing the accurate movement of the treatment bed, thereby being convenient for maintenance; manual moving is not needed, so that labor cost and maintenance time are saved. However, the above-described apparatus can adjust the height and angle of the lenticular sheet with respect to the treatment couch only by manual operation, and requires the installation of bolts and screws when fixing the lenticular sheet to the treatment couch, which makes the entire operation still complicated.

Therefore, the prior art has a larger improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at remedying the not enough of prior art, provide a medical accelerator multi-leaf grating debugging auxiliary device, can debug height, the angle of multi-leaf grating automatically, need not to carry out the installation of bolt screw moreover and can be fixed multi-leaf grating and treatment bed, be favorable to improving the simple operation nature.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a medical accelerator multi-leaf grating debugging auxiliary device, including fixing the first fixed fixture block at both ends about the treatment couch respectively, the bottom of first fixed fixture block is through flexible subassembly and multi-leaf grating fixed connection.

According to the scheme, the multi-blade grating treatment bed further comprises a second fixed clamping block, the second fixed clamping block is fixed at the middle end of the treatment bed and located between the two first fixed clamping blocks, the bottom end of the second fixed clamping block is connected with a rotating mechanism, the bottom end of the rotating mechanism is fixedly connected with a telescopic assembly, and the telescopic assembly is fixedly connected with the multi-blade grating.

The first fixed fixture block and the second fixed fixture block can be fixed on the treatment bed through fixing structures such as threads or buckles, and the utility model is not particularly limited.

According to the scheme, the telescopic assembly comprises a telescopic mechanism, the telescopic mechanism is connected with a telescopic rod, the bottom end of the telescopic rod is fixedly connected with the multi-leaf grating, and the telescopic mechanism is electrically connected with the control device.

The telescopic mechanism is a cylinder or a hydraulic cylinder, and can also be other telescopic mechanisms; the utility model discloses preferred is cylinder or pneumatic cylinder, can carry out accurate control to flexible length.

According to the scheme, the bottom end of the telescopic rod is fixedly connected with a connecting rod, the bottom end of the connecting rod is connected with an electric hook, and the electric hook is used for being connected with a corresponding fixing ring on the multi-leaf grating.

According to above scheme, electric hook includes semicircular first coupler body, second coupler body, the stiff end of first coupler body connect in the bottom of connecting rod, be equipped with the electro-magnet on the free end of first coupler body, the one end of second coupler body articulates on the fixed end of first coupler body, is equipped with the iron plate on the other end, the electro-magnet is connected with controlling means electricity, controlling means is used for controlling the electro-magnet circular telegram or cuts off the power supply. When the electromagnet is electrified, the electromagnet on the free end of the first hook body attracts and closes the iron block of the second hook body to form a closed ring, so that the electric hook is connected with the fixing ring on the multi-leaf grating; when the electromagnet is powered off, the electromagnet is demagnetized to stop the attraction of the iron block of the second hook body, so that the connection between the electric hook and the fixing ring is released.

According to the scheme, the rotating mechanism comprises a driving motor and a rotating disk, the driving motor is fixed at the bottom end of the second fixing clamping block, a pinion is fixedly connected to an output shaft of the driving motor, a large gear meshed with the pinion is fixed on the rotating disk, two T-shaped sliding blocks are arranged on the rotating disk, and a sliding groove matched with the T-shaped sliding blocks is formed in the bottom of the second fixing clamping block.

The beneficial effects of the utility model reside in that:

the utility model discloses a multi-leaf grating debugging auxiliary device of medical accelerator sets up two first fixed fixture blocks at the treatment bed, flexible subassembly and multi-leaf grating fixed connection are passed through to the bottom of first fixed fixture block, through control the flexible length of flexible subassembly can realize the high debugging of multi-leaf grating automatically, need not manual operation, is favorable to improving the simple operation nature, effectively solves prior art's device and only can carry out the technical problem of debugging for the height of treatment bed through manual operation to multi-leaf grating.

Drawings

Fig. 1 is a schematic structural diagram of the multi-leaf grating debugging auxiliary device of the medical accelerator of the present invention;

fig. 2 is a schematic structural diagram of a telescopic assembly in the multi-leaf grating debugging auxiliary device of the medical accelerator of the present invention;

fig. 3 is a schematic structural view of a rotating mechanism in the multi-leaf grating debugging auxiliary device of the medical accelerator of the present invention.

In the figure: 1. a treatment couch; 11. a first fixed fixture block; 12. a second fixed fixture block; 2. a multi-leaf grating; 21. a fixing ring; 3. a telescoping assembly; 31. a telescoping mechanism; 32. a telescopic rod; 4. a rotation mechanism; 41. a drive motor; 411. a pinion gear; 42. rotating the disc; 421. a bull gear; 422. a T-shaped slider; 5. a connecting rod; 6. an electric hook; 61. a first hook body; 611. an electromagnet; 62. a second hook body; 621. and (4) iron blocks.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.

As shown in figure 1, the utility model discloses a multi-leaf grating debugging auxiliary device of medical accelerator, including fixing the first fixed fixture block 11 at both ends about the treatment couch 1 respectively, the bottom of first fixed fixture block 11 is through flexible subassembly 3 and multi-leaf grating 2 fixed connection. The height adjustment of the multi-leaf grating can be automatically realized by controlling the telescopic length of the telescopic assembly without manual operation, thereby being beneficial to improving the operation convenience and effectively solving the technical problem that the device in the prior art can only adjust the height of the multi-leaf grating relative to the treatment bed through manual operation.

Further, the medical accelerator multi-leaf collimator debugging auxiliary device further comprises a second fixed fixture block 12, the second fixed fixture block 12 is fixed at the middle end of the treatment couch 1, the bottom end of the second fixed fixture block 12 is connected with a rotating mechanism 4, the bottom end of the rotating mechanism 4 is fixedly connected with a telescopic assembly 3, and the telescopic assembly 3 is fixedly connected with the multi-leaf collimator 2. The rotating mechanism 4 connected with the bottom end of the second fixed fixture block 12 can automatically adjust the angle of the multi-leaf grating 2, and is favorable for improving the practicability of the device.

Further, the telescopic assembly 3 comprises a telescopic mechanism 31, the telescopic mechanism 31 is connected with a telescopic rod 32, the bottom end of the telescopic rod 32 is fixedly connected with the multi-leaf grating 2, and the telescopic mechanism 31 is electrically connected with a control device; the telescopic mechanism 31 is a cylinder or a hydraulic cylinder.

Further, the bottom end of the telescopic rod 32 is fixedly connected with a connecting rod 5, the bottom end of the connecting rod 5 is connected with an electric hook 6, and the electric hook 6 is used for being connected with a corresponding fixing ring 21 on the multi-leaf collimator 2.

As shown in fig. 2, the electric hook 6 includes a first semi-circular hook 61 and a second semi-circular hook 62, a fixed end of the first hook 61 is connected to a bottom end of the connecting rod 5, an electromagnet 611 is disposed at a free end of the first hook 61, one end of the second hook 62 is hinged to the fixed end of the first hook 61, an iron block 621 is disposed at the other end of the second hook, the electromagnet 611 is electrically connected to a control device, and the control device is used for controlling the electromagnet 611 to be powered on or powered off. The electromagnet 611 on the first hook body 61 of the electric hook 6 is matched with the iron block 621 on the second hook body 62, and the connection or disconnection of the electric hook 6 and the fixing ring of the multi-leaf grating 2 can be realized by controlling the electrification or the outage of the electromagnet 611, so that the installation of a bolt and a screw is not needed, and the operation convenience of fixing and installing is improved.

As shown in fig. 3, the rotating mechanism 4 includes a driving motor 41 and a rotating disc 42, the driving motor 41 is fixed at the bottom end of the second fixed fixture block 12, a pinion 411 is fixedly connected to an output shaft of the driving motor 41, a large gear 421 meshed with the pinion 411 is fixed on the rotating disc 42, two T-shaped sliders 412 are arranged on the rotating disc 42, and a sliding slot matched with the T-shaped slider 412 is arranged at the bottom of the second fixed fixture block 12. The rotation speed of the rotating disk 42 driven by the driving motor 41 is reduced by arranging the large gear 421 meshed with the small gear 411, so that the rotation angle debugging control is facilitated; the rotating disk rotates more smoothly through the cooperation of the T-shaped sliding block 412 and the sliding groove.

When the medical accelerator multi-leaf grating debugging auxiliary device is used, the fixing rings 21 corresponding to the left and right ends of the electric hooks 6 on the multi-leaf grating 2 are respectively moved to the left and right ends between the first hook body 61 and the second hook body 62 of the electric hooks 6, the control device controls the electromagnet 611 on the first hook body 61 to be electrified, the electromagnet 611 attracts the iron block 621 on the second hook body 62 to form a closed ring, and the electric hooks 6 are connected with the corresponding fixing rings 21, so that the multi-leaf grating 2 can be conveniently and quickly connected with the treatment bed 1; then the control device controls the extension and retraction of the telescopic components 3 at the left end and the right end to enable the multi-leaf grating 2 to move up and down, and the height of the multi-leaf grating can be adjusted.

When the angle of the multi-leaf collimator 2 needs to be adjusted, the control device controls the telescopic assembly 3 below the second fixed fixture block 12 to move the electric hook 6 at the middle end to the fixed ring 21 corresponding to the multi-leaf collimator 2, and controls the electromagnet 611 on the electric hook 6 to be electrified, so that the electric hook 6 at the middle end is connected with the multi-leaf collimator 2; the control device controls the electromagnets 611 on the left and right electric hooks 6 to be powered off, so that the electromagnets are disconnected with the multi-leaf collimator 2 and the left and right electric hooks 6, and then controls the left and right telescopic assemblies to enable the left and right electric hooks 6 to move upwards, so that the left and right electric hooks 6 are prevented from influencing the rotation of the multi-leaf collimator 2; the control device controls the rotation of the driving motor 41 to drive the rotating disc 42 to rotate, thereby realizing the debugging of the angle of the multi-leaf collimator 2.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A multi-leaf grating debugging auxiliary device of a medical accelerator comprises first fixed fixture blocks (11) which are respectively fixed at the left end and the right end of a treatment bed (1), and is characterized in that the bottom ends of the first fixed fixture blocks (11) are fixedly connected with a multi-leaf grating (2) through telescopic components (3).

2. The multi-leaf collimator adjustment auxiliary device of the medical accelerator according to claim 1, further comprising a second fixed fixture block (12), wherein the second fixed fixture block (12) is fixed at the middle end of the treatment couch (1), the bottom end of the second fixed fixture block (12) is connected with the rotating mechanism (4), the bottom end of the rotating mechanism (4) is fixedly connected with the telescopic assembly (3), and the telescopic assembly (3) is fixedly connected with the multi-leaf collimator (2).

3. The multi-leaf grating debugging auxiliary device of the medical accelerator according to claim 1 or 2, wherein the telescopic assembly (3) comprises a telescopic mechanism (31), the telescopic mechanism (31) is connected with a telescopic rod (32), the bottom end of the telescopic rod (32) is fixedly connected with the multi-leaf grating (2), and the telescopic mechanism (31) is electrically connected with the control device.

4. The multi-leaf grating debugging auxiliary device of the medical accelerator according to claim 3, wherein the bottom end of the telescopic rod (32) is fixedly connected with a connecting rod (5), the bottom end of the connecting rod (5) is connected with an electric hook (6), and the electric hook (6) is used for being connected with a corresponding fixing ring (21) on the multi-leaf grating (2).

5. The multi-leaf grating debugging auxiliary device of the medical accelerator according to claim 4, wherein the electric hook (6) comprises a first semicircular hook body (61) and a second semicircular hook body (62), the fixed end of the first hook body (61) is connected to the bottom end of the connecting rod (5), an electromagnet (611) is arranged at the free end of the first hook body (61), one end of the second hook body (62) is hinged to the fixed end of the first hook body (61), an iron block (621) is arranged at the other end of the second hook body, the electromagnet (611) is electrically connected with a control device, and the control device is used for controlling the electromagnet (611) to be powered on or powered off.

6. The multi-leaf raster debugging auxiliary device of the medical accelerator according to claim 2, wherein the rotating mechanism (4) comprises a driving motor (41) and a rotating disk (42), the driving motor (41) is fixed at the bottom end of the second fixed fixture block (12), a pinion (411) is fixedly connected to an output shaft of the driving motor (41), a gearwheel (421) meshed with the pinion (411) is fixed on the rotating disk (42), two T-shaped sliders (412) are arranged on the rotating disk (42), and a sliding groove matched with the T-shaped sliders (412) is arranged at the bottom of the second fixed fixture block (12).

7. The multi-leaf grating debugging auxiliary device of the medical accelerator according to claim 2, wherein the telescopic mechanism (31) is a cylinder or a hydraulic cylinder.