阅读说明：本技术 一种加速器治疗床的床面水平校正装置及校正方法 (Bed surface horizontal correction device and method of accelerator treatment bed ) 是由 甄永杰 姚毅 于 2020-03-10 设计创作，主要内容包括：本发明公开一种加速器治疗床的床面水平校正装置及校正方法,该校正装置包括：双目成像装置,用于采集加速器治疗床床面的实时图像；调节装置,加速器治疗床顶层床面的一端可绕固定轴上下转动,而其相对另一端与调节装置传动连接,调节装置用于调节床面水平度；控制装置,分别与双目成像装置以及调节装置电连接。本发明结构简单,安装便捷,通过调节装置把加速器治疗床面进行水平方向调整,保证了真实的治疗位置与计划系统规定的治疗位置保持一致,达到实现最佳治疗的目的。(The invention discloses a bed surface horizontal correction device and a correction method of an accelerator treatment bed, wherein the correction device comprises: the binocular imaging device is used for acquiring a real-time image of the bed surface of the accelerator treatment bed; one end of the top layer bed surface of the accelerator treatment bed can rotate up and down around the fixed shaft, while the other end thereof is in transmission connection with the adjusting device, and the adjusting device is used for adjusting the levelness of the bed surface; and the control device is electrically connected with the binocular imaging device and the adjusting device respectively. The invention has simple structure and convenient installation, adjusts the treatment bed surface of the accelerator in the horizontal direction through the adjusting device, ensures that the real treatment position is consistent with the treatment position specified by a planning system, and achieves the aim of realizing the optimal treatment.)

1. A bed surface level correction device of an accelerator treatment bed, comprising:

the binocular imaging device is used for acquiring a real-time image of the bed surface of the accelerator treatment bed;

one end of the top layer bed surface of the accelerator treatment bed can rotate up and down around the fixed shaft, and the other end of the top layer bed surface of the accelerator treatment bed is in transmission connection with the adjusting device, and the adjusting device is used for adjusting the levelness of the bed surface;

and the control device is electrically connected with the binocular imaging device and the adjusting device respectively.

2. The couch top level correction device of the accelerator treatment couch of claim 1, wherein the binocular imaging device may be disposed at a couch side of the accelerator treatment couch, or at an accelerator body, or at a ceiling.

3. The couch-top level correction apparatus of an accelerator treatment couch according to claim 1 or 2, wherein the adjustment means includes: the power output end of the motor is in transmission connection with the screw rod, the screw rod is in transmission connection with the slide block, and the slide block is fixedly connected with one end of the top bed surface of the accelerator treatment bed;

the motor drives the screw rod to rotate to push the sliding block to move up and down, so that one end of the top layer bed surface of the accelerator treatment bed is driven to move up and down.

4. The couch-top level correction apparatus of an accelerator treatment couch according to claim 1 or 2, wherein the adjustment means includes: the power output end of the air cylinder is in transmission connection with the T-shaped push rod, and the T-shaped push rod is fixedly connected with one end of the top layer bed surface of the accelerator treatment bed;

the cylinder pushes the T-shaped push rod cylinder to move up and down, so that one end of the top layer bed surface of the accelerator treatment bed is driven to move up and down.

5. The bed surface level correcting device of the accelerator treatment bed according to claim 4, wherein an air hole adjusting device is provided on the air hole of the air cylinder, and the air hole adjusting device is used for adjusting the size of the ventilation part of the air hole.

6. An accelerator treatment couch comprising a couch top level correction apparatus as claimed in any one of claims 1 to 5.

7. A correction method is characterized by being used for correcting the bed surface levelness of an accelerator treatment bed, and specifically comprising the following steps of:

s1: initializing the accelerator treatment couch after the system starts to work, and completing self-checking of the accelerator treatment couch;

s2: the patient lies on a preset position on the accelerator treatment bed, and the bed surface position of the accelerator treatment bed is adjusted according to the treatment plan;

s3: the control device controls the binocular imaging device to work, the binocular imaging device collects the real-time image of the bed surface of the accelerator treatment bed and sends the real-time image to the control device;

s4: after receiving the real-time image of the bed surface of the accelerator treatment bed, the control device judges whether the bed surface is in a horizontal position;

if the control device is in the horizontal position, the control device does not act;

if the horizontal position is not reached, the control device sends an adjustment command to the adjustment device, and the process goes to step S5;

s5: the adjusting device adjusts the levelness of the bed surface of the accelerator treatment bed;

s6: and repeating the steps S3-S5 until the bed surface of the accelerator treatment bed is in the horizontal position.

8. The calibration method according to claim 7, wherein one end of the top bed surface of the accelerator treatment couch is rotatable up and down around a fixed shaft, and the other end thereof is drivingly connected to the adjustment device, and the adjustment device comprises: the power output end of the motor is in transmission connection with the screw rod, the screw rod is in transmission connection with the slide block, and the slide block is fixedly connected with one end of the top bed surface of the accelerator treatment bed;

the motor drives the screw rod to rotate to push the sliding block to move up and down, so that the motor drives the screw rod to rotate to push the sliding block to move up and down, and the motor drives the end of the top bed surface of the accelerator treatment bed to move up and down.

9. The calibration method according to claim 7, wherein one end of the top bed surface of the accelerator treatment couch is rotatable up and down around a fixed shaft, and the other end thereof is drivingly connected to the adjustment device, and the adjustment device comprises: the power output end of the air cylinder is in transmission connection with the T-shaped push rod, and the T-shaped push rod is fixedly connected with one end of the top layer bed surface of the accelerator treatment bed;

the cylinder pushes the T-shaped push rod cylinder to move up and down, so that one end of the top layer bed surface of the accelerator treatment bed is driven to move up and down.

10. The calibration method according to any one of claims 7-9, wherein said steps S4-S6 are in particular:

s4: the control device receives the real-time image of the bed surface of the accelerator treatment bed, judges whether the bed surface is in a horizontal position, obtains a downward movement distance H of the bed surface and judges whether H is smaller than a threshold value H;

if H is less than or equal to H, the control device does not act if the bed surface is in a horizontal position;

if H is greater than H, the bed surface is not in a horizontal position, the control device sends an adjusting command to the adjusting device, the adjusting amount is delta H, and the operation goes to step S5, wherein: Δ h is h/n, n is a constant preset in the control device, and n is more than or equal to 2;

s5: the adjusting device adjusts the levelness of the bed surface of the accelerator treatment bed according to the adjusting quantity delta h, and at the moment, n is n +1 recorded in the control device;

s6: and repeating the steps S3-S5 until the bed surface of the accelerator treatment bed is in the horizontal position.