CN211050747U - Translational and rotational examining table system for radiotherapy and medical imaging - Google Patents

Abstract

The utility model discloses a but translation rotation inspection bed system for radiation therapy and medical imaging. The utility model comprises a translation guide rail, a rotating device, a lifting device, an examining table, an imaging registration mark and a workstation; the utility model can avoid the position moving/body position changing of the patient in the process of converting the reverse/radiation therapy and the medical imaging equipment, on one hand, the patient is facilitated, on the other hand, the position arrangement of different equipment can be more convenient, and the utilization rate of the equipment is improved; the image information of various different medical diagnosis and treatment equipment is accurately fused, and the fusion precision of the same machine is achieved; the strict matching of the treatment area of the radiotherapy equipment and the imaging area of the imaging equipment is realized by calibrating scales on the examination bed; the utility model can move in translation, which is convenient for the arrangement of different devices and prevents mutual interference; and can rotate, apply to different apparatuses; after the multilayer bed plate mechanism is completely contracted, the length is shortest, and translation and rotation movement can be conveniently carried out in a narrow place.

Description

Translational and rotational examining table system for radiotherapy and medical imaging

Technical Field

The utility model relates to a medical imaging and treatment field, concretely relates to but translation rotation inspection bed system for radiation therapy and medical imaging.

Background

Before and after radiotherapy treatment, a patient needs to accurately position a treatment part through medical imaging equipment such as Positron Emission Tomography (PET) or Computed Tomography (CT) and an imaging system of the radiotherapy equipment before and after radiotherapy treatment, so that the treatment effect can be planned and detected. Meanwhile, the patient may have inconvenience in moving, a medical device (such as an infusion support) fixed on the body, or a short time interval between front and back treatment and examination, and the change of the examination table may cause inconvenience and danger, so that the desired effect cannot be achieved.

Disclosure of Invention

To the problem that exists among the above prior art, the utility model provides a but translation rotation inspection bed system for radiation therapy and medical imaging, but the inspection bed of translation rotation's radiation therapy and medical imaging usage for a plurality of equipment can share an inspection bed, conveniently use different equipment to carry out continuous inspection or treatment, can realize the high accuracy registration fusion of different equipment images, help improving treatment effeciency and precision.

The utility model discloses a but translation rotation inspection bed system for radiation therapy and medical imaging includes: the system comprises a translation guide rail, a rotating device, a lifting device, an examination bed, an imaging registration mark and a workstation; wherein a translation guide rail is arranged between the radiotherapy equipment and the medical imaging equipment on the ground; the rotating device is arranged on the translation guide rail and can horizontally move along the translation guide rail; the rotating device is provided with a lifting device, the rotating device can drive the lifting device to rotate in the vertical direction, and the lifting device can do lifting motion in the vertical direction; a horizontal examination bed is arranged at the top end of the lifting device; the rotating device, the lifting device and the examination bed are respectively connected to the workstation through respective motors and drivers; the inspection bed comprises a plurality of layers of bed plate mechanisms, an anti-falling guide rail and a transmission device, wherein the plurality of layers of bed plate mechanisms are stacked up and down, the anti-falling guide rail and the transmission device are arranged between two adjacent layers of bed plate mechanisms, and the upper layer of bed plate mechanism can translate along the surface of the lower layer of bed plate mechanism in the length direction; an imaging registration mark is arranged on the uppermost layer of the bed plate mechanism; each layer of bed plate mechanism of the examining bed is vertically aligned and stacked, the length of the examining bed is shortest, and a sample to be detected is positioned on the examining bed; when the examination bed is positioned on the axis of the radiotherapy equipment or the medical imaging equipment, the multilayer bed plate mechanism extends out from top to bottom in sequence until the examination bed is positioned in the radiotherapy equipment or the medical imaging equipment.

The workstation controls the rotating device to move to the front of the radiotherapy equipment or the medical imaging equipment along the translation guide rail, controls the rotating device to enable the examining table to be parallel to the axis of the radiotherapy equipment or the medical imaging equipment, and controls the lifting device to adjust the height of the examining table, so that the examining table is located on the axis of the radiotherapy equipment or the medical imaging equipment; controlling the multilayer bed plate mechanism to sequentially extend from top to bottom until the multilayer bed plate mechanism is positioned in the radiotherapy equipment or the medical imaging equipment, acquiring images, transmitting the images to a workstation and storing the images, sequentially withdrawing each layer of bed plate mechanism after the treatment or the imaging is finished, reducing the height of the examination bed through the lifting device, and moving the examination bed to the next medical imaging equipment or the radiotherapy equipment along the translation guide rail; controlling the rotating device to enable the examining table to be parallel to the axis of the medical imaging device or the radiotherapy device, and controlling the lifting device to adjust the height of the examining table so that the examining table is located on the axis of the medical imaging device or the radiotherapy device; controlling the multilayer bed plate mechanism to extend out from top to bottom in sequence until the multilayer bed plate mechanism is positioned in medical imaging equipment or radiotherapy equipment, and acquiring and transmitting images to a workstation for storage; in the transferring process, the sample to be detected is positioned on the examining bed and kept still, and the state-preserving transferring of the sample to be detected is realized; according to an imaging registration mark positioned on the examination table in the acquired image, the images in the radiotherapy equipment and the medical imaging equipment are registered, and the image registration and fusion of different equipment are realized.

The radiotherapy equipment is an external irradiation therapy machine, an internal irradiation therapy machine or a three-dimensional directional radiotherapy device. The medical imaging equipment is an imaging system with a Positron Emission Tomography (PET), an electronic Computed Tomography (CT) or a radiotherapy equipment.

The anti-drop guide rail is arranged between two adjacent layers of bed plate mechanisms, so that the upper layer of the stretching bed can translate along the surface of the lower layer of the stretching bed, and the stretching bed does not overturn.

The transmission includes, but is not limited to: a motor and a lead screw; an output shaft of the motor is connected to the lead screw through a coupler; the base of the screw rod is arranged on the upper surface of the lower bed plate mechanism, the nut of the screw rod is fixed on the lower surface of the upper bed plate mechanism, and the motor drives the screw rod to rotate, so that the upper bed plate mechanism extends or contracts along the surface of the lower bed plate mechanism.

The imaging registration marks employ graduations and/or imaging markers. Corresponding imaging markers are adopted under different imaging modalities.

Controlling the motion of the examination bed: the motion state of the examination bed is controlled by the workstation, and the examination bed control can be shared with various radiotherapy and imaging devices through an open examination bed control software interface, so that the motion of the examination bed can be conveniently controlled on different devices. The utility model has the advantages that:

the utility model can avoid the position moving/body position changing of the patient in the process of converting the reverse/radiation therapy and the medical imaging equipment, on one hand, the patient is facilitated, on the other hand, the position arrangement of different equipment can be more convenient, and the utilization rate of the equipment is improved; the utility model realizes the accurate fusion of the image information of a plurality of different medical diagnosis and treatment devices, and achieves the fusion precision of the same machine; at present, images required by radiotherapy equipment are provided by other imaging equipment, belong to different-machine information and are difficult to complete accurate matching and fusion, strict matching of a treatment area of the radiotherapy equipment and an imaging area of the imaging equipment is realized by calibrating scales on an examination bed, high-precision fusion of image information of different equipment is realized, and the purpose of scanning by the same machine is achieved; the utility model can move in translation, which is convenient for the arrangement of different devices and prevents mutual interference; and can rotate, apply to different apparatuses; after the multilayer bed plate mechanism is completely contracted, the length is shortest, and translation and rotation movement can be conveniently carried out in a narrow place.

Drawings

FIG. 1 is a schematic view of a translatable and rotatable couch system for radiation therapy and medical imaging of the present invention docked with a radiation therapy device;

FIG. 2 is a schematic illustration of a translatable rotating table system for radiation therapy and medical imaging interfacing with medical imaging of the present invention;

FIG. 3 is a schematic view of the translatable and rotatable couch system for radiation therapy and medical imaging of the present invention;

fig. 4 is a schematic view of various angles of the translatable and rotatable couch system for radiation therapy and medical imaging of the present invention, wherein (a) is a rear view, (b) is a front view, and (c) is a top view.

Detailed Description

The invention will be further elucidated by means of specific embodiments in the following with reference to the drawings.

As shown in fig. 3 and 4, the translatable and rotatable couch system for radiation therapy and medical imaging of the present embodiment includes: atranslation guide 9, arotation device 8, alifting device 7, an examination table 1, an imaging registration marker and aworkstation 10; wherein atranslation guide rail 9 is arranged on the ground between the radiotherapy equipment and the medical imaging equipment; therotating device 8 is arranged on thetranslation guide rail 9 and can move along thetranslation guide rail 9; alifting device 7 is arranged on therotating device 8, and thelifting device 7 can do lifting motion along the vertical direction; ahorizontal examination bed 1 is arranged at the top end of thelifting device 7; therotating device 8, thelifting device 7 and theexamination bed 1 are respectively connected to theworkstation 10 through respective motors and drivers; theinspection bed 1 comprises three layers of bed plate mechanisms 4-6, an anti-falling guide rail and a transmission device, wherein the multiple layers of bed plate mechanisms are stacked up and down, the anti-falling guide rail and the transmission device are arranged between two adjacent layers of bed plate mechanisms, and the upper layer of bed plate mechanism can translate along the surface of the lower layer of bed plate mechanism in the length direction; an imaging registration mark is arranged on the uppermost layer of the bed plate mechanism; all layers of bed plate mechanisms of the examining table 1 are vertically aligned and stacked, at the moment, the length of the examining table 1 is shortest, and a sample to be detected is positioned on the examining table 1.

The transmission device comprises: a motor and a lead screw; an output shaft of the motor is connected to the lead screw through a coupler; the base of the screw rod is arranged on the upper surface of the lower bed plate mechanism, the nut of the screw rod is fixed on the lower surface of the upper bed plate mechanism, and the motor drives the screw rod to rotate, so that the upper bed plate mechanism extends or contracts along the surface of the lower bed plate mechanism.

The imaging registration marks employ a scale and an imaging marker.

The control method of the translatable and rotatable table system for radiation therapy and medical imaging of the present embodiment comprises the steps of:

1) all layers of bed plate mechanisms of theinspection bed 1 are vertically aligned and stacked, at the moment, the length of theinspection bed 1 is shortest, and a sample to be detected is positioned in the inspection

On thebed 1;

2) theworkstation 10 controls the movement of the rotating means 8 along thetranslation guides 9 in front of theradiotherapy apparatus 2, as shown in fig. 1;

3) theworkstation 10 controls therotating device 8 to rotate, so that theexamination bed 1 is parallel to the axis of the radiotherapy equipment;

4) controlling thelifting device 7 to adjust the height of theexamination bed 1 so that theexamination bed 1 is positioned on the axis of the radiotherapy equipment;

5) theworkstation 10 controls the bed board of the multilayer bed board mechanism to extend out from top to bottom in sequence until the bed board is positioned in the radiotherapy equipment and is adopted

Collecting images, transmitting the images to aworkstation 10 and storing the images;

6) after the treatment is finished, the bed plate mechanisms of each layer are sequentially retracted, and the height of theexamination bed 1 is reduced through thelifting device 7;

7) theworkstation 10 controls the movement of the rotating means 8 along thetranslation rail 9 to themedical imaging device 3, as shown in fig. 2;

8) theworkstation 10 controls therotating device 8 to rotate, so that theexamination bed 1 is parallel to the axis of the medical imaging equipment;

9) controlling thelifting device 7 to adjust the height of the examining table 1 so that the examining table 1 is positioned on the axis of the medical imaging equipment;

10) the multilayer bed plate mechanism is controlled to sequentially extend from top to bottom until the multilayer bed plate mechanism is positioned in the medical imaging equipment, and the sample to be detected is positioned in the detection

The checkingbed 1 is kept still, the sample to be detected is transferred in a state-maintaining way, and images are collected and transmitted to theworkstation 10 for storage;

11) radiotherapy apparatus and medical imaging apparatus are coupled to each other based on imaging registration markers located on the table 1 in the acquired images

The images in the step (2) are registered, and the image registration and fusion of different devices are realized.

Finally, it is noted that the disclosed embodiments are intended to aid in further understanding of the invention, but will be understood by those skilled in the art that: various substitutions and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the present invention should not be limited to the embodiments disclosed, and the scope of the present invention is defined by the appended claims.

Claims (2)

1. A translatable rotating table system for radiation therapy and medical imaging, the translatable rotating table system comprising: the system comprises a translation guide rail, a rotating device, a lifting device, an examination bed, an imaging registration mark and a workstation; wherein a translation guide rail is arranged between the radiotherapy equipment and the medical imaging equipment on the ground; the rotating device is arranged on the translation guide rail and can horizontally move along the translation guide rail; the rotating device is provided with a lifting device, the rotating device can drive the lifting device to rotate along the vertical direction, and the lifting device can do lifting motion along the vertical direction; a horizontal examination bed is arranged at the top end of the lifting device; the rotating device, the lifting device and the examination bed are respectively connected to the workstation through respective motors and drivers; the inspection bed comprises a plurality of layers of bed plate mechanisms, an anti-falling guide rail and a transmission device, wherein the plurality of layers of bed plate mechanisms are stacked up and down, the anti-falling guide rail and the transmission device are arranged between two adjacent layers of bed plate mechanisms, and the upper layer of bed plate mechanism can translate along the surface of the lower layer of bed plate mechanism in the length direction; an imaging registration mark is arranged on the uppermost layer of the bed plate mechanism; each layer of bed plate mechanism of the examining bed is vertically aligned and stacked, the length of the examining bed is shortest, and a sample to be detected is positioned on the examining bed; when the examination bed is positioned on the axis of the radiotherapy equipment or the medical imaging equipment, the multilayer bed plate mechanism extends out from top to bottom in sequence until the examination bed is positioned in the radiotherapy equipment or the medical imaging equipment.

2. The translatable rotary examination bed system of claim 1, wherein said imaging registration markers employ graduations and/or imaging markers.

Images