WO2023051394A1

WO2023051394A1 - Treatment bed for radiotherapy

Info

Publication number: WO2023051394A1
Application number: PCT/CN2022/120802
Authority: WO
Inventors: 宋世鹏; 张千护
Original assignee: 翰斯泰医疗科技(苏州)有限公司
Priority date: 2021-09-30
Filing date: 2022-09-23
Publication date: 2023-04-06
Also published as: CN113713277A

Abstract

The present application discloses a treatment bed for radiotherapy, comprising: a base, a first rotating arm, a second rotating arm, a bed body supporting member and a bed body assembly; a first end of the first rotating arm is pivotally connected to the base, and a first rotation driving apparatus drives the first rotating arm to rotate along a first axis; the second rotating arm is pivotally connected to a second end of the first rotating arm, and a second rotation driving apparatus drives the second rotating arm to rotate along a second axis; the bed body supporting member is movably connected to the second rotating arm, and a first drive apparatus drives the bed body supporting member to reciprocate longitudinally along the second rotating arm; the bed body assembly is pivotally connected to an end part of the bed body supporting member, and a third rotation driving apparatus drives the treatment bed to rotate along a third axis. The treatment bed of the present apparatus is automatically controlled by means of a control apparatus, is easy and convenient to operate, and can effectively solve the problem of a patient getting onto and off of the treatment bed.

Description

A treatment bed for radiotherapy

technical field

The present application relates to the technical field of medical devices, in particular to a treatment bed for radiotherapy.

Background technique

Radiation therapy for tumors is a local treatment method that uses radiation to treat tumors. Radiation includes α, β, γ rays produced by radioactive isotopes and x-rays, electron beams, proton beams and other particle beams produced by various x-ray therapy machines or accelerators. These rays are focused on irradiating abnormal or diseased tissues to cause focal necrosis or functional changes to achieve the purpose of treating diseases.

The cooperation of the treatment bed is required in the radiotherapy process. In the prior art, the design of the treatment bed is not ideal for some patients, which makes it very difficult for some elderly patients with limited mobility, and patients with relatively serious illness or injury to get on and off the treatment bed and move on the treatment bed, which increases the It reduces the pain of the patient and prolongs the treatment time. Therefore urgently need to provide a kind of novel treatment bed that is used for radiotherapy.

Contents of the invention

The purpose of this application is to provide a treatment couch for radiotherapy to solve the problems mentioned in the background art. In order to achieve the above object, the application provides the following technical solutions: a treatment bed for radiotherapy, comprising:

base;

a first rotating arm, the first end of the first rotating arm is pivotally connected to the base, and the first rotating driving device drives the first rotating arm to rotate along the first axis;

a second rotating arm, the second rotating arm is pivotally connected to the second end of the first rotating arm, and the second rotating driving device drives the second rotating arm to rotate along the second axis;

a bed support, the bed support is movably connected to the second rotating arm, and the first driving device drives the bed support to reciprocate along the longitudinal direction of the second rotating arm;

A bed assembly, the bed assembly is connected to the end of the bed support, and the third rotation drive device drives the bed assembly to rotate along a third axis.

Preferably, the first rotary drive device is fixed inside the first rotary arm, and the first rotation shaft of the first rotary drive device is connected to the base;

The second rotary drive device is fixed inside the first rotary arm, and the second rotary shaft of the second rotary drive device is connected to the second rotary arm;

The third rotary driving device is fixed inside the bed body support, and the third rotating shaft of the third rotary driving device is connected to the bed body assembly.

Preferably, the bed body assembly includes a support board and a bed board, the third rotation shaft of the third rotary drive device is connected to the support board, a slide rail is provided on the support board, and a slide rail is provided on the bed board. Corresponding to the slider, the slider is movably connected to the slide rail, the second drive device is fixed on the support plate, and the bottom of the bed board is connected to the second drive device to drive the bed board to reciprocate along the length direction of the support board.

Preferably, the bed body assembly further includes a standing pedal, the standing pedal is connected to a third driving device, the third driving device is fixedly mounted on the supporting board, and the third driving device drives the standing pedal to reciprocate on the supporting board move.

Preferably, the first driving device, the second driving device and the third driving device are motor lead screws.

Preferably, the first axis is a vertical axis, the second axis is perpendicular to the first axis, and the third axis is perpendicular to the second axis.

Preferably, the first rotary driving device includes a first servo motor and a first reduction mechanism, the first servo motor is connected to the first reduction mechanism, and the first reduction mechanism includes the first rotation shaft.

Preferably, the second rotation driving device includes a second servo motor and a second reduction mechanism, the second servo motor is connected to the second reduction mechanism, and the second reduction mechanism includes the second rotation shaft.

Preferably, the third rotary driving device includes a third servo motor and a third reduction mechanism, the third servo motor is connected to the third reduction mechanism, and the third reduction mechanism includes the third rotation shaft.

Preferably, the treatment bed for radiotherapy further includes a control device, the control device is connected to the first servo motor, the second servo motor, the third servo motor, the first drive device, the second drive device and the third drive device .

On the other hand, the present application also provides a method for using a treatment bed for radiotherapy, comprising the following steps:

Step 1, drive the first rotating arm to rotate around the first axis through the first rotary driving device, and drive the bed assembly to rotate around the third axis through the third rotary driving device at the same time, so that the bed assembly of the treatment bed moves to the bed position of the patient;

Step 2, drive the second rotating arm to rotate around the second axis through the second rotating driving device, so that the bed assembly of the treatment bed is rotated from a horizontal position to a vertical position;

Step 3, the patient stands on the standing pedal, and drives the standing pedal to a preset position through the third driving device;

Step 4, drive the second rotating arm to rotate around the second axis through the second rotating driving device, so that the bed assembly of the treatment bed is rotated from the vertical position to the horizontal position;

Step 5: Drive the first rotating arm to rotate around the first axis through the first rotary driving device, drive the bed assembly to rotate around the third axis through the third rotary driving device, and move the bed assembly of the treatment bed to a preset initial treatment position ;

Step 6, drive the bed body support to move longitudinally along the second rotating arm through the first driving device, so as to move the bed body assembly to a preset height;

In step seven, the bed board of the bed assembly is driven by the second driving device to move to the preset treatment position on the support board of the bed assembly.

The technical effects and advantages of the present application: the device reduces the moving distance of the patient by rotating the first rotating arm and the bed body assembly; it is convenient for the patient to go to bed; by rotating the second rotating arm, the bed body assembly and the liftable standing pedal can make the bed body The components switch between the horizontal position and the vertical position, and make the patient move to the preset position, reducing the moving distance of the patient after getting on the bed; the patient is moved to the final treatment position by lifting the bed support and moving the bed board, and the treatment bed is controlled by The device is automatically controlled and easy to operate. It can effectively solve the problem of patients getting on and off the treatment bed when used with radiotherapy equipment.

Description of drawings

Fig. 1 is the schematic diagram of the final treatment position of the treatment couch of the present application;

Fig. 2 is the front side structure schematic diagram that the treatment couch of the present application is positioned at vertical state;

Fig. 3 is the schematic diagram that the treatment bed patient of the present application stands on the standing pedal;

Fig. 4 is a schematic diagram of the rear side structure of the treatment couch of the present application in a vertical state;

FIG. 5 is a second structural schematic diagram of the rear side of the treatment bed in a vertical state of the present application.

In the figure: 1-base, 2-first rotating arm, 3-second rotating arm, 4-bed support, 5-bed assembly, 6-standing pedal, 21-first axis, 22-first rotation Driving device, 31-second axis, 32-second rotating driving device, 41-third axis, 42-third rotating driving device, 51-support plate, 52-bed board, 53-second driving device, 511-slip Rail, 61 - third driving means.

Detailed ways

In order to make the implementation of the technical means, creative features, goals and effects of the application easy to understand, the following will further elaborate the application in conjunction with specific illustrations. In the description of the application, it should be noted that unless otherwise specified and Limitation, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection or a mechanical connection, or an electrical connection; it can be It can be directly connected, or indirectly connected through an intermediary, and can be connected internally between two components.

Example 1

A treatment bed for radiotherapy as shown in FIGS. 1-5 includes: a base 1 , a first rotating arm 2 , a second rotating arm 3 , a bed support 4 and a bed assembly 5 .

The first end of the first rotating arm 2 is pivotally connected with the base 1, the inside of the first rotating arm 2 is provided with a first rotating drive device 22, the rotating shaft of the first rotating driving device 22 is connected with the base 1, and the first rotating drive The device 22 can drive the first rotating arm 2 to rotate around the first axis 21. In some embodiments, the first end of the first rotating arm 2 can be pivotally connected to the base 1 through a bearing. The first rotating driving device 22 can The rotating shaft and the base 1 can be driven by a gear pair or a transmission belt;

The second rotating arm 3 is pivotally connected to the second end of the first rotating arm 2, the second rotating driving device 32 is fixed inside the first rotating arm 2, and the second rotating shaft of the second rotating driving device 32 is connected to the second rotating arm. 3 connection, the second rotating drive device 32 can drive the second rotating arm 3 to rotate along the second axis 31, in some embodiments, the second end of the second rotating arm 3 and the first rotating arm 2 can realize the pivot through the bearing connected, the second rotating shaft of the second rotating driving device 32 and the second rotating arm 3 can also be transmitted through a gear pair or a transmission belt; the bed support 4 is connected to a first driving device (not shown), and the first A driving device is installed on the second rotating arm 3, and the first driving device can drive the bed support 4 to move longitudinally along the second rotating arm 3. In this embodiment, the second rotating arm 3 is provided with a slide rail, the bed support 4 is provided with a slide block matched with the slide rail, and the bed support 4 moves on the slide rail on the second rotating arm 3 through the slide block;

The bed assembly 5 is pivotally connected to the end of the bed support 4 , the third rotation drive device 42 is fixed inside the bed support 4 , and the third rotation shaft of the third rotation drive 42 is connected to the bed support 4 connected, the third rotary driving device 42 drives the bed assembly 5 to rotate along the third axis 41, in some embodiments, the end of the bed assembly 5 and the bed support 4 are pivotally connected by a bearing, the third rotary driving device The third rotating shaft of 42 and the bed support member 4 can also be driven by a gear pair or a transmission belt.

Example 2

A treatment bed for radiotherapy as shown in FIGS. 1-5 includes: a base 1 , a first rotating arm 2 , a second rotating arm 3 , a bed support 4 , a bed assembly 5 and a control device.

The first end of the first rotating arm 2 is pivotally connected to the base 1, and the inside of the first rotating arm 2 is provided with a first rotating driving device 22. The first rotating driving device 22 includes a first servo motor and a first reduction mechanism. The first servo motor is connected to the first reduction mechanism, the first rotation shaft of the first reduction mechanism is connected to the base 1, and the first servo motor drives the first rotating arm 2 around the first reduction mechanism through the first reduction mechanism. An axis 21 rotates, the first axis 21 is a vertical axis, the first servo motor is connected to the control device, and the control device controls the operation of the first servo motor.

The second rotating arm 3 is pivotally connected to the second end of the first rotating arm 2, and the second rotating driving device 32 is fixed inside the first rotating arm 2, and the second rotating driving device 32 includes a second servo motor and a second A reduction mechanism, the second servo motor is connected to the second reduction mechanism, the second rotation shaft of the second reduction mechanism is connected to the second rotating arm 3, and the second servo motor is driven by the second reduction mechanism The second rotating arm 3 rotates along the second axis 31, and the second axis 31 is perpendicular to the first axis 21. The second servo motor is connected with the control device, and the control device controls the operation of the second servo motor.

The bed support 4 is connected to a first driving device (not shown), and the first driving device is a first motor screw, and the first motor screw is installed on the second rotating arm 3. A motor lead screw drives the bed body support 4 to move longitudinally along the second rotating arm 3 , the first electric lead screw is connected with the control device, and the control device controls the operation of the first motor lead screw. In this embodiment, the second rotating arm 3 is provided with a slide rail, and the bed support 4 is provided with a slide block matched with the slide rail. Removable connection is realized on the slide rail.

The bed assembly 5 is pivotally connected to the end of the bed support 4, and the third rotary driving device 42 is fixed inside the bed support 4. The third rotary driving device 42 includes a third servo motor and a third reduction gear, The third servo motor is connected to the third deceleration device. The third rotation shaft of the third deceleration device is connected to the bed support 4, the third servo motor drives the bed assembly 5 to rotate along the third axis 41 through the third deceleration device, and the third axis 41 and The second axis 31 is vertical, the third servo motor is connected to the control device, and the control device controls the operation of the third servo motor.

In this embodiment, the bed support 4 is movably connected on the slide rail on the second rotating arm 3 through a slider, and the bed assembly 5 is pivotally connected to the end of the bed support 4 , Therefore, rotating the second rotating arm 3 can simultaneously rotate the bed support 4 and the bed assembly 5, so that the bed assembly 5 can be converted between a vertical position and a horizontal position, or between other set positions. , This provides conditions for patients to go to bed in a standing manner or in other ways. The bed assembly 5 includes a support plate 51, a bed plate 52 and a standing pedal 6. The support plate 51 is provided with a slide rail 511, and the bed plate 52 is provided with a slide block corresponding to the slide rail 511. The slide block is slidably connected with the slide rail 511, and the bed plate 52 The bottom is connected with the second driving device 53, the second driving device 53 is the second motor leading screw, the second motor leading screw is fixed on the support plate 51, the second motor leading screw is connected with the control device, the control device controls the second motor leading screw can Drive the bed board 52 to move along the length direction of the support plate 51, the standing pedal 6 is connected to the third drive device 61, the third drive device 61 is the third motor screw, fixedly installed on the support plate 51, the third motor screw is connected to the control device , the control device controls the operation of the third motor lead screw, the third motor lead screw can drive the standing pedal 6 to move along the length direction of the bed body assembly 5 on the support plate 51, when the bed body assembly 5 rotates to a vertical position, the standing pedal 6 can be moved to the vertical position. The pedal 6 is lowered to facilitate the patient to go to bed in a standing manner, and then the standing pedal 6 is raised to a preset height, that is, the preset treatment position, and then the bed body assembly 5 is rotated to a horizontal position, which can provide convenience for patients with limited mobility to go to bed. It is convenient and reduces the position movement of the patient after going to bed.

In addition, this embodiment also provides a method for using a treatment bed for radiotherapy, including the following steps:

Step 1, the first rotating arm 2 is driven to rotate around the first axis 21 by the first rotary driving device 22, and the bed assembly 5 is driven to rotate around the third axis 41 by the third rotary driving device 42 at the same time, so that the bed assembly of the treatment bed 5 Move to the bed position of the patient;

Step 2, drive the second rotating arm 3 to rotate around the second axis 31 through the second rotating driving device 32, so that the bed assembly 5 of the treatment bed is rotated from a horizontal position to a vertical position;

Step 3, the patient stands on the standing pedal 6, and drives the standing pedal 6 to a preset position through the third driving device 61;

Step 4, drive the second rotating arm 3 to rotate around the second axis 31 through the second rotation driving device 32, so that the bed assembly 5 of the treatment bed is rotated from the vertical position to the horizontal position;

Step five, drive the first rotating arm 2 to rotate around the first axis 21 through the first rotary driving device 22, and drive the bed assembly 5 to rotate around the third axis 41 through the third rotary driving device 42, so that the bed assembly 5 of the treatment bed Move to the preset initial treatment position;

Step 6, drive the bed body support 4 to move longitudinally along the second rotating arm 3 through the first driving device, so that the bed body assembly 5 moves to a preset height;

In step seven, the bed board 52 of the bed assembly 5 is driven by the second driving device 53 to move to the preset treatment position on the support board 51 of the bed assembly 5 .

Finally, it should be noted that: the above is only a preferred embodiment of the application, and is not intended to limit the application. Although the application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still The technical solutions recorded in the foregoing embodiments may be modified, or some of the technical features may be replaced by equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included in the Within the protection scope of this application.

Claims

A treatment bed for radiotherapy, characterized in that: comprising,

base;

a first rotating arm, the first end of the first rotating arm is pivotally connected to the base, and the first rotating driving device drives the first rotating arm to rotate along the first axis;

a second rotating arm, the second rotating arm is pivotally connected to the second end of the first rotating arm, and the second rotating driving device drives the second rotating arm to rotate along the second axis;

a bed support, the bed support is movably connected to the second rotating arm, and the first driving device drives the bed support to reciprocate longitudinally along the second rotating arm;

A bed assembly, the bed assembly is pivotally connected to the end of the bed support, and the third rotation driving device drives the bed assembly to rotate along a third axis.
A treatment bed for radiotherapy according to claim 1, characterized in that: the first rotary drive device is fixed inside the first rotary arm, and the first rotation shaft of the first rotary drive device is connected to said base;

The second rotary drive device is fixed inside the first rotary arm, and the second rotary shaft of the second rotary drive device is connected to the second rotary arm;

The third rotary driving device is fixed inside the bed body support, and the third rotating shaft of the third rotary driving device is connected to the bed body assembly.
A treatment bed for radiotherapy according to claim 2, characterized in that: the bed assembly includes a support board and a bed board, the third rotation shaft of the third rotation driving device is connected to the support board, so A slide rail is provided on the support plate, and a slide block corresponding to the slide rail is provided on the bed board, and the slide block is movably connected to the slide rail, and the second driving device is fixed on the support plate. The bottom of the bed board is connected with a second driving device, and the second driving device drives the bed board to reciprocate along the length direction of the supporting board.
A treatment bed for radiotherapy according to claim 3, characterized in that: the bed assembly further includes a standing pedal, the standing pedal is connected to a third driving device, and the third driving device is fixedly installed on the support On the board, the third driving device drives the standing pedal to reciprocate on the support board.
A treatment bed for radiotherapy according to claim 4, characterized in that: the first driving device, the second driving device and the third driving device are motor lead screws.
A treatment bed for radiotherapy according to claim 1, wherein the first axis is a vertical axis, the second axis is perpendicular to the first axis, and the third axis is perpendicular to the second axis .
A treatment bed for radiotherapy according to claim 2, characterized in that: the first rotary drive device includes a first servo motor and a first reduction mechanism, the first servo motor is connected to the first reduction mechanism, The first reduction mechanism includes the first rotation shaft.
A treatment bed for radiotherapy according to claim 2, characterized in that: the second rotary drive device includes a second servo motor and a second reduction mechanism, the second servo motor is connected to the second reduction mechanism, The second reduction mechanism includes the second rotation shaft.
A treatment bed for radiotherapy according to claim 3, characterized in that: the third rotary drive device includes a third servo motor and a third reduction mechanism, the third servo motor is connected to the third reduction mechanism, The third reduction mechanism includes the third rotation shaft.
A treatment bed for radiotherapy according to claim 9, characterized in that: the treatment bed for radiotherapy further comprises a control device, the control device is connected to the first servo motor, the second servo motor, the third Servo motor, first driving device, second driving device and third driving device.
A method for using a treatment bed for radiotherapy, characterized in that: comprising the following steps:

Step 1, drive the first rotating arm to rotate around the first axis through the first rotary driving device, and drive the bed assembly to rotate around the third axis through the third rotary driving device at the same time, so that the bed assembly of the treatment bed moves to the bed position of the patient;

Step 2, drive the second rotating arm to rotate around the second axis through the second rotating driving device, so that the bed assembly of the treatment bed is rotated from a horizontal position to a vertical position;

Step 3, the patient stands on the standing pedal, and drives the standing pedal to a preset position through the third driving device;

Step 4, drive the second rotating arm to rotate around the second axis through the second rotating driving device, so that the bed assembly of the treatment bed is rotated from the vertical position to the horizontal position;

Step 5: Drive the first rotating arm to rotate around the first axis through the first rotary driving device, drive the bed assembly to rotate around the third axis through the third rotary driving device, and move the bed assembly of the treatment bed to a preset initial treatment position ;

Step 6, drive the bed body support to move longitudinally along the second rotating arm through the first driving device, so as to move the bed body assembly to a preset height;

In step seven, the bed board of the bed assembly is driven by the second driving device to move to the preset treatment position on the support board of the bed assembly.