CN215231670U

CN215231670U - Protection device for tumor radiotherapy

Info

Publication number: CN215231670U
Application number: CN202120962135.1U
Authority: CN
Inventors: 段伟
Original assignee: Yanan University Affiliated Hospital
Current assignee: Yanan University Affiliated Hospital
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-12-21
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a protection device for tumor radiotherapy, including regulation and control base and bearing base, fixed mounting has first motor in the regulation and control base, and rotates respectively in the regulation and control base and install ball and the first pivot that is connected, and movable mounting has the nut on the ball. The utility model discloses utilize the nut on the ball to pull the mount pad of installing linear accelerator, connect first carousel in first pivot simultaneously, but utilize the first carousel of horizontal rotation to pass through the traction lever and drive the holding barrier back-and-forth movement, utilize the pneumatic cylinder setting in the revolving stage to bear the weight of the board of driver and platform of lying, make the pneumatic cylinder drive under the inductor drive and bear the board and promptly move down, it is rotatory with the second carousel to utilize the drive rack to drive the second pivot, thereby it is closed to support the protection casing of bearing on the board both sides position to stand, the operation of not in good time rapid stop linear accelerator is produced when the disease, thereby provide timely effectual isolation protection for the patient.

Description

Protection device for tumor radiotherapy

Technical Field

The utility model relates to a radiation therapy technical field especially relates to a protection device for tumor radiation therapy.

Background

Under the condition of the existing medical level, a human body cannot be guaranteed not to generate lesions, and the human body can be rescued as much as possible only through a certain medical technical means when the human body faces the lesions.

The whole radiation treatment process generally takes more than ten minutes, although the time is short, the patient suffers a great degree of pain, meanwhile, the linear accelerator irradiates the tumor, and accidents such as dizziness, nausea, vomit, pruritus or sneeze are occasionally caused, and the accidents can cause the body position of the patient to change, and the patient needs to seek the help of medical staff and stop the radiation irradiation. However, the existing radiotherapy equipment does not have the above functions, so that in the actual operation process, when the position of a patient is changed, the linear accelerator is not closed and stopped in time, so that the normal organs of the patient can be injured, the treatment effect is influenced, even a treatment accident is caused, the secondary injury to the patient is increased, and the physical health of the patient is seriously harmed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior art is difficult to provide the accidental protection for the radiotherapy disease, and providing a protection device for the tumor radiotherapy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a protection device for tumor radiotherapy comprises a regulation base and a bearing base, wherein a first motor is fixedly installed in the regulation base, a ball screw and a first rotating shaft which are connected are respectively installed in the regulation base in a rotating mode, a nut is movably installed on the ball screw, an installation seat and a linear accelerator which are of an integrated structure are movably installed in the regulation base, a traction rod is connected between the nut and the installation seat through a pin shaft, a first rotating disc is fixedly connected to the first rotating shaft, a connecting rod is rotatably connected to the first rotating disc, and an isolation baffle is connected to the connecting rod through the pin shaft;

a second motor is fixedly arranged in the bearing base, the output end of the second motor is fixedly connected with a rotary table which is rotatably sleeved on the bearing base, a hydraulic cylinder is fixedly arranged in the rotary table, and a lifting rod connected with the output end of the hydraulic cylinder is sleeved in the rotary table in a sliding manner, the upper end of the lifting rod is integrally connected with a bearing machine table, and the lower end of the bearing machine table is fixedly connected with a driving rack, a second rotating shaft is rotatably arranged in the bearing machine table, a driven gear meshed with the driving rack is fixedly sleeved on the second rotating shaft, a second rotating disc is integrally connected on the second rotating shaft, and the second rotary table is rotatably connected with a support rod, the upper pin shaft of the support rod is connected with a protective cover hinged on the bearing machine table, the bearing machine table is movably provided with a driver, the driver is fixedly provided with a lying table, and the lying table is integrally connected with an inductor.

Preferably, the regulating base corresponds to the bearing base up and down, and the regulating base is of a hollow structure with an opening at the lower end.

Preferably, the first motor output end is connected with ball screw, and is connected with the transmission track between ball screw and the first pivot, the mount pad pivot is installed in regulation and control base, and outside the linear accelerator activity of fixed connection on the mount pad extended to regulation and control base lower extreme opening, regulation and control base open position was located to the isolation barrier sliding sleeve.

Preferably, the bearing machine platform is horizontally connected with the upper end of the lifting rod extending out of the rotary table, and the bearing machine platform is located under the linear accelerator.

Preferably, the driving rack is vertically slidably sleeved in the turntable, and the second rotating shaft is horizontally arranged at a position below the bearing machine table.

Preferably, the protective cover is located at a side position of the bearing machine table, and the sensor is electrically connected with the hydraulic cylinder and the first motor.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses set up in lower extreme open-ended regulation and control base by the rotatory ball of first motor drive and first pivot, utilize nut on the ball to pull the mount pad of installing linear accelerator, connect first carousel in first pivot simultaneously, but utilize horizontal rotation's first carousel to pass through the traction lever and drive the barrier back-and-forth movement for start through the first motor of inductor control, promptly accomodate linear accelerator, utilize barrier to keep apart it simultaneously and block.

2. The utility model discloses set up on the bearing base by the rotatory revolving stage of second motor drive, utilize the pneumatic cylinder setting in the revolving stage to bear the weight of the board of driver and platform of lying for the pneumatic cylinder drives under the inductor drive and bears the board and promptly move down, and it is rotatory with the second carousel to utilize the drive rack to drive the second pivot, thereby supports the protection casing that bears the weight of on the board both sides position and rises closed immediately, thereby provides to lieing in the disease of the bench of lying and shelters from the protection, provides safety protection for normal organ position.

To sum up, the utility model utilizes the nut on the ball screw to draw the mounting seat provided with the linear accelerator, and simultaneously connects the first rotating disc on the first rotating shaft, and utilizes the first rotating disc which can rotate horizontally to drive the isolation baffle to move back and forth through the traction rod, so that the first motor is controlled to start through the inductor, and the linear accelerator is stored emergently; the hydraulic cylinder in the rotary table is used for setting the bearing driver and the bearing machine table of the lying table, so that the hydraulic cylinder drives the bearing machine table to move down emergently under the driving of the sensor, the driving rack is used for driving the second rotating shaft and the second rotary table to rotate, the protective covers on the two sides of the bearing machine table are supported to be closed vertically, when a patient produces untimely and quick stop of the operation of the linear accelerator, and timely and effective isolation protection is provided for the patient.

Drawings

Fig. 1 is a schematic structural view of a protective device for tumor radiotherapy proposed by the present invention;

fig. 2 is an enlarged schematic view of a part a of the protective device for tumor radiotherapy provided by the present invention;

fig. 3 is an enlarged schematic view of a part B of the protective device for tumor radiotherapy provided by the present invention;

fig. 4 is a schematic view of a connection structure of a turntable and a lifting rod of the protective device for tumor radiotherapy provided by the present invention;

fig. 5 is a schematic view of a connection structure between a support rod and a protective cover of the protective device for tumor radiotherapy provided by the present invention.

In the figure: the device comprises a control base 1, a bearing base 2, a first motor 3, a ball screw 4, a first rotating shaft 5, a nut 6, a mounting seat 7, a traction rod 8, a linear accelerator 9, a first rotating disc 10, a connecting rod 11, an isolation baffle 12, a second motor 13, a rotating table 14, a hydraulic cylinder 15, a lifting rod 16, a bearing machine table 17, a driving rack 18, a second rotating shaft 19, a driven gear 20, a second rotating disc 21, a supporting rod 22, a protective cover 23, a driver 24, a lying table 25 and a sensor 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a protective device for tumor radiotherapy comprises a control base 1 and a bearing base 2, a first motor 3 is fixedly installed in the control base 1, the first motor 3 is a servo motor of HC-SFS203B type, the control base 1 is rotatably installed with a ball screw 4 and a first rotating shaft 5 which are connected with each other, the ball screw 4 is movably installed with a nut 6, the control base 1 is internally movably installed with an installation seat 7 and a linear accelerator 9 which are integrally structured, the linear accelerator 9 can deflect 90 ° by controlling the ball screw 4 to rotate in two directions, so as to realize telescopic accommodation in the control base 1, a traction rod 8 is connected between the nut 6 and the installation seat 7 by a pin shaft, a first rotating disc 10 is fixedly connected to the first rotating shaft 5, a connecting rod 11 is rotatably connected to the first rotating disc 10, and an isolation baffle 12 is connected to the connecting rod 11 by a pin shaft, it should be noted that the isolation baffle 12 moves backwards when the linear accelerator 9 extends, so as to avoid interfering with the work of the linear accelerator, otherwise, the lower end opening of the regulation and control base 1 is closed, so as to block the linear accelerator 9 and prevent the linear accelerator from damaging normal organs of a patient;

a second motor 13 is fixedly arranged in the bearing base 2, the second motor 13 adopts a servo motor with the product model of HC-SFS353, the output end of the second motor 13 is fixedly connected with a rotary table 14 which is rotatably sleeved on the bearing base 2 and can control the patients to rotate in the horizontal direction, a hydraulic cylinder 15 is fixedly arranged in the rotary table 14, the model of the hydraulic cylinder 15 is YGS70 30 520, a lifting rod 16 connected with the output end of the hydraulic cylinder 15 is sleeved in the rotary table 14 in a sliding way, a bearing table 17 is integrally connected with the upper end of the lifting rod 16 and can adjust the height position of the patients, a driving rack 18 is fixedly connected with the lower end of the bearing table 17, a second rotating shaft 19 is rotatably arranged in the bearing table 17, a driven gear 20 meshed and connected with the driving rack 18 is fixedly sleeved on the second rotating shaft 19, a second rotating disc 21 is integrally connected on the second rotating shaft 19, and a supporting rod 22 is rotatably connected on the second rotating disc 21, the pin shaft on the supporting rod 22 is connected with a protective cover 23 hinged on the bearing machine table 17, it should be noted that, when an emergency occurs, the protective cover 23 is vertically closed, so that a patient is located in the protective cover 23, the bearing machine table 17 is movably provided with a driver 24, the driver 24 is fixedly provided with a lying table 25, the lying table 25 is integrally connected with an inductor 26, the driver 24 can enable the patient to move back and forth to be matched with the linear accelerator 9, the inductor 26 can observe and sense the physical condition of the patient in real time, and when the patient feels that the body is not proper, the first motor 3 and the hydraulic cylinder 15 are immediately opened and closed for remote control.

The regulating base 1 corresponds to the bearing base 2 up and down, and the regulating base 1 is of a hollow structure with an opening at the lower end, so that the linear accelerator 9 is conveniently accommodated, regulated and managed, and accidental injury to patients is avoided.

The output end of the first motor 3 is connected with the ball screw 4, a transmission crawler belt is connected between the ball screw 4 and the first rotating shaft 5, a mounting seat 7 is arranged in the regulation and control base 1 through a pin shaft, the linear accelerator 9 fixedly connected to the mounting seat 7 movably extends to the opening at the lower end of the regulation and control base 1, the isolation baffle 12 is slidably sleeved on the opening of the regulation and control base 1, and the isolation baffle 12 is controlled to move back and forth so as to isolate the linear accelerator 9 from a patient and reduce the damage degree in time.

The bearing machine 17 is horizontally connected with the upper end of the lifting rod 16 extending out of the rotary table 14, the bearing machine 17 is located right below the linear accelerator 9, and the position of a patient can be adjusted on the bearing machine 17 so as to be matched with the linear accelerator 9 for treatment.

The driving rack 18 is vertically slidably sleeved in the rotary table 14, and the second rotating shaft 19 is horizontally arranged below the bearing table 17, so that when an emergency occurs, the damage can be reduced by primarily moving downwards, and meanwhile, the vertical closing of the protective cover 23 can be conveniently regulated and controlled.

The protection casing 23 is located and bears the side position of board 17, and inductor 26 and pneumatic cylinder 15 and first motor 3 electric connection can carry out remote control to first motor 3 and pneumatic cylinder 15 through inductor 26 to dual isolation operation guarantee safety.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

when the patient feels uncomfortable during the radiation therapy process on the lying platform 25, the sensor 26 can quickly transmit signals;

firstly, the inductor 26 controls the first motor 3 to be started, the output end of the first motor 3 drives the ball screw 4 and the first rotating shaft 5 to rotate, the ball screw 4 drives the nut 6 to move upwards, the mounting base 7 is pulled through the traction rod 8, so that the linear accelerator 9 rotates by 90 degrees along with the mounting base 7 and is accommodated in the regulation and control base 1, the first rotating shaft 5 drives the first rotating disc 10 to rotate, the connecting rod 11 supports the isolation baffle 12 to move, the lower end opening of the regulation and control base 1 is sealed, and the linear accelerator 9 is isolated from a patient;

secondly, the sensor 26 controls the hydraulic cylinder 15 to be opened, the hydraulic cylinder 15 supports the rotary table 14 to vertically move downwards through the lifting rod 16, so that the bearing machine table 17 and the lying table 25 support the patient to integrally move downwards;

the bearing machine table 17 drives the driving rack 18 to move downwards, the driven gear 20 meshed with the bearing machine table drives the second rotating shaft 19 and the second rotating disc 21 to rotate, the second rotating disc 21 drives the supporting rod 22 to move upwards to support the protective cover 23, the protective covers 23 at two sides are erected to realize closing, the patient on the lying table 25 is located in the protective cover 23, and then secondary protection is realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A protective device for tumor radiotherapy comprises a regulation base and a bearing base, and is characterized in that a first motor is fixedly mounted in the regulation base, a ball screw and a first rotating shaft which are connected are respectively rotatably mounted in the regulation base, a nut is movably mounted on the ball screw, a mounting seat and a linear accelerator which are of an integral structure are movably mounted in the regulation base, a traction rod is connected between the nut and the mounting seat through a pin shaft, a first rotating disc is fixedly connected to the first rotating shaft, a connecting rod is rotatably connected to the first rotating disc, an isolation baffle is connected to the connecting rod through the pin shaft, a second motor is fixedly mounted in the bearing base, a rotating table which is sleeved on the bearing base is fixedly connected to the output end of the second motor, a hydraulic cylinder is fixedly mounted in the rotating table, and a lifting rod connected with the output end of the hydraulic cylinder is sleeved in the rotating table in a sliding manner, the utility model discloses a lifter, including lifter upper end, platform, drive rack, fixed cover, pivot, the platform upper end an organic whole is connected with bears the board, and bears board lower extreme fixedly connected with drive rack, rotate in bearing the board and install the second pivot, and fixed cover is equipped with the driven gear who is connected with drive rack meshing in the second pivot, an organic whole is connected with the second carousel in the second pivot, and rotates on the second carousel and be connected with branch, the pivot is connected with to articulate in the protection casing that bears the board on the branch, it has the driver to bear movable mounting on the board, and fixedly on the driver being provided with the platform of lying, an organic whole is connected with the inductor on the platform of lying.

2. The protective device for tumor radiotherapy according to claim 1, wherein the control base is vertically corresponding to the load-bearing base, and the control base is a hollow structure with an open lower end.

3. The protection device for tumor radiotherapy as claimed in claim 2, wherein the output end of the first motor is connected to a ball screw, a transmission track is connected between the ball screw and the first rotating shaft, the mounting seat is mounted in the control base, the linear accelerator fixedly connected to the mounting seat movably extends out of the opening at the lower end of the control base, and the isolation baffle is slidably sleeved at the opening of the control base.

4. The protective device for radiation therapy of tumor according to claim 3, wherein said supporting platform is horizontally connected to the upper end of the elevating rod extending out of the rotating platform, and is located right below the linear accelerator.

5. The protection device of claim 4, wherein the driving rack is vertically slidably sleeved in the turntable, and the second shaft is horizontally disposed below the supporting platform.

6. The protection device of claim 5, wherein the shield is located at a side of the supporting platform, and the sensor is electrically connected to the hydraulic cylinder and the first motor.