RT-CT integrated device

Patent metadata

Field	Value
Publication number	US-10478138-B2
Application number	US-201615367211-A
Country	US
Kind code	B2
Filing date	Dec 2, 2016
Priority date	Dec 2, 2015
Publication date	Nov 19, 2019
Grant date	Nov 19, 2019

Abstract

An RT-CT integrated device comprising an RT system and a CT system is disclosed. The radiation-therapy centerline of the RT system and the scanning centerline of the CT system are on a same axis, and the RT system and the CT system are located at a same end of a treatment table.

First claim

The invention claimed is:

1. A radiation therapy computed tomography (RT-CT) integrated device comprising a radiation therapy (RT) device and a computed tomography (CT) device, wherein,
a radiation-therapy centerline of the radiation therapy (RT) device and a scanning centerline of the computed tomography (CT) device are on a same axis,
the radiation therapy (RT) device and the computed tomography (CT) device are at a same end of a treatment table;
the radiation therapy (RT) device and the computed tomography (CT) device are integrated onto a support system;
the support system comprises a support base provided with a mounting portion,
the computed tomography (CT) device comprises a computed tomography (CT) device rotatable gantry,
the radiation therapy (RT) device comprises a radiation therapy (RT) device rotatable gantry,
the computed tomography (CT) device rotatable gantry is provided with a computed tomography (CT) device ray emitter and a computed tomography (CT) device ray receiver,
the radiation therapy (RT) device rotatable gantry is provided with a radiation therapy (RT) device ray emitter,
the computed tomography (CT) device rotatable gantry and the radiation therapy (RT) device rotatable gantry are both socket-jointed on the mounting portion, and are disposed coaxially with the mounting portion,
the computed tomography (CT) device rotatable gantry and the radiation therapy (RT) device rotatable gantry are both fixed in an axial direction and a radial direction;
the computed tomography (CT) device rotatable gantry and the radiation therapy (RT) device rotatable gantry are both rotatable along a circumferential direction;
the radiation therapy (RT) device rotatable gantry, the computed tomography (CTS) device rotatable gantry and the mounting portion are socket-jointed sequentially in the axial direction,
each socket-joint for connecting the radiation therapy (RT) device rotatable gantry, the computed tomography (CT) device rotatable gantry and the mounting portion sequentially is fixed in the axial direction and the radial direction; and
each socket-joint for connecting the radiation therapy (RT) device rotatable gantry, the computed tomography (CT) device rotatable gantry and the mounting portion sequentially is rotatable along the circumferential direction.

2. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 1 , wherein
the computed tomography (CT) device ray emitter and the computed tomography (CT) device ray receiver are located at two radial sides of the computed tomography (CT) device rotatable gantry respectively, and
the computed tomography (CT) device ray emitter and the computed tomography (CT) device ray receiver are set on an end of the computed tomography (CT) device rotatable gantry at which the computed tomography (CT) device rotatable gantry is socket-jointed to the radiation therapy (RT) device rotatable gantry,
the radiation therapy (RT) device ray emitter is set at an end of the radiation therapy (RT) device rotatable gantry away from the computed tomography (CT) device rotatable gantry.

3. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 2 , wherein the radiation therapy (RT) device further comprises a cantilever,
the cantilever extends towards a direction away from the computed tomography (CT) device rotatable gantry with its root portion connected to the radiation therapy (RT) device rotatable gantry,
the radiation therapy (RT) device ray emitter is set at a head portion of the cantilever.

4. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 3 , further comprising a shielding system,
the shielding system is used to shield the computed tomography (CT) device ray receiver against rays emitted from the radiation therapy (RT) device ray emitter.

5. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 1 , wherein,
the mounting portion comprises a first mounting portion and a second mounting portion which are disposed coaxially and oppositely,
the computed tomography (CT) device rotatable gantry is socket-jointed to the first mounting portion, wherein the first mounting portion is fixed in the axial direction and the radial direction, and the second mounting portion is rotational along the circumferential direction;
the radiation therapy (RT) device rotatable gantry is socket-jointed to the second mounting portion, wherein the second mounting portion is fixed in the axial direction and the radial direction, and the second mounting portion is rotational along the circumferential direction.

6. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 5 , wherein the radiation therapy (RT) device further comprises a counterweight,
the counterweight and the radiation therapy (RT) device ray emitter are located in different semi-circumference of the radiation therapy (RT) device rotatable gantry.

7. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 1 , wherein the support system further comprises a drive part,
the drive part is used to drive at least one of the radiation therapy (RT) device rotatable gantry and the computed tomography (CT) device rotatable gantry to rotate along the circumferential direction.

8. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 7 , wherein the drive part comprising:
a first drive part driving the computed tomography (CT) device rotatable gantry to rotate along the circumferential direction, and
a second drive part driving the radiation therapy (RT) device rotatable gantry to rotate along the circumferential direction.

9. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 7 , wherein the support system further comprises a brake part,
the brake part is used to brake at least one of the radiation therapy (RT) device rotatable gantry and the computed tomography (CT) device rotatable gantry.

10. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 9 , wherein the brake part comprises:
a first brake part for braking the computed tomography (CT) device rotatable gantry, and
a second brake part for braking the radiation therapy (RT) device rotatable gantry.

11. The radiation therapy-computed tomography (RT-CT) integrated device according to claim 1 , wherein,
the treatment table comprises a table body and a movable table plate connected to the table body,
the table body is further provided with a table plate support system;
one of the radiation therapy (RT) device and the computed tomography (CT) device is located at a first end away from the treatment table, and the other is located at a second end close to the treatment table;
when the movable table plate stretches into the radiation therapy (RT) device or the computed tomography (CT) device at the first end, the table plate support system extends out from the table body to support the movable table plate.

12. A radiation therapy-computed tomography (RT-CT) integrated device comprising a radiation therapy (RT) device and a computed tomography (CT) device, wherein,
a radiation-therapy centerline of the radiation therapy (RT) device and a scanning centerline of the computed tomography (CT) device are on a same axis,
the radiation therapy (RT) device and the computed tomography (CT) device are at a same end of a treatment table;
the radiation therapy (RT) device and the computed tomography (CT) device are integrated onto a support system;
the radiation therapy (RT) device and the computed tomography (CT) device are i

Assignees

• Shenyang Neusoft Medical Sys

Inventors

• Tian Shenghui
• Han Donghui
• Tian Xinzhi
• Zhao Guotao
• Zhou Peng

Classifications

• A61B6/4435 Primary

  the source unit and the detector unit being coupled by a rigid structure · CPC title

• A61N5/1081

  Rotating beam systems with a specific mechanical construction, e.g. gantries · CPC title

• A61B6/0407

  Supports, e.g. tables or beds, for the body or parts of the body · CPC title

• A61B6/032

  Transmission computed tomography [CT] · CPC title

• A61N2005/1094

  Shielding, protecting against radiation · CPC title