CN201019757Y - Radiation therapy analog machine - Google Patents

Abstract

The utility model relates to a radiation therapy analog machine, which is composed of the following parts and devices; the utility model includes a concentrator with a complete machine controlled appliance, a rotating framework, an optical distance meter, an X-ray pipe component defined device, a side controller and a therapy bed, a medical use X-ray television system which is composed of a controller, a video camera, a monitor, a video intensifier and an optical system; a microcomputer system, a control console and an walkie-talkie; the bed surface plate of the therapy bed adopts the carbon material which can reduce the radiation absorption rate. The performance features are that the computer can display various data and can automatically correct the error of data. High quality fluoroscopy image can be acquired by the video intensifier and the video camera with high definition. The machine is provided with functions of image collection, process and data amendment, which can store, read, call, print and delete the image and medical record and transfer data. A plurality of protective chain of the computer, the appliance and the mechanism can be realized, thus the machine can be operated more safely and reliably.

Description

Radiotherapy simulator

Technical field

This utility model belongs to the medical radiotherapy machine, particularly a kind of radiotherapy simulator.

Background technology

At present, all medical radiotherapy machines are used single, and no range-measurement system does not have image amplifier, do not have later image to handle.

Summary of the invention

Technical problem to be solved in the utility model is: a kind of radiotherapy simulator is provided.Can find range, can strengthen image.And there is computer that image is done post-processed.

The technical solution of the utility model is:

A kind of radiotherapy simulator is characterized in that: be made up of following part device:

The concentrated rack that the controlled electrical equipment of full machine is arranged, its underpart are variac, manostat and high-current relay, and top front face is equipped with the appliance component relevant with the X line traffic control; Top rear face is equipped with and turning arm, the relevant electric elements of therapeutic bed control; The structure that casing adopts the four sides to open the door;

Rotary frame is made up of: support (2a), principal arm (2b), pipe ball support arm (2c) and image amplifier support arm (2d);

Optical rangefinder: form by light source, micro scale, meniscus etc.;

What X spool assembly adopted is bifocal microfocus X-ray pipe;

Define device: structurally have two groups can make directions X motion and the Y direction plumbous leaf that moves respectively;

(1) well word line: be four metal line that cross one another that define pathological changes; These facility have " symmetry is wild " and " asymmetric open country " two kinds to define structure, and two groups " boundary lines " of symmetrical wild directions X or Y direction can open and close synchronously; Four lines of asymmetric wild directions X and Y direction then can move respectively, are independent of each other;

(2) visual field lamp: be positioned at the collimator appropriate location, its light open country should be parallel to radiation field size; How are light open country and radiation field size registration, determined positioning accuracy; Visual field lamp is provided with delay switching circuit, and 15 seconds～30 seconds in limited time, the time was adjustable;

Other control device: be to hang in the rotation of the other control of therapeutic bed frame, the three-dimensional motion of booster, the visual field to define, manage functions such as ball lifting; Controller,

Therapeutic bed: X is arranged, Y, the Z three-dimensional motion mechanism,

By the medical X-ray television system of forming by controller, video camera, monitor, image amplifier and optical system;

Microsystem: comprising: main frame, display, keyboard, memorizer, mouse, printer and ups power etc.;

Control station:

Transmitter receiver: be ordinary audio amplifier with two-way call function;

Gigantos: structure is by high-tension transformer, X spool filament transformer and high-voltage rectification silicon stack, is assembled in the seal box that is filled with insulating oil, and low-voltage lead is drawn by the low-pressure end daughter board, receives on the binding post of switch board; High pressure is drawn by the high pressure jack of standard, draws with the high tension cable of standard to be connected to X spool bulb.

The bed panel of therapeutic bed adopts the carbon materials that can reduce the irradiation absorbance.

This utility model Main Feature is:

1, this machine adopts standard PLC industrial control computer and PC dual control system.

2, computer can preset any number of linear movement, angle displacement and SAD.

3, computer can show various data, and from the error of each data of dynamic(al) correction.

4, adopt import microfocus X-ray tube assembly, import high-resolution monitor, image amplifier, high-definition camera can obtain high-quality fluorescent check image.

5, these facility have image acquisition, processing, data correction function, can carry out image and case history storage, have access to, call, print, deletion and data-transformation facility etc.

6, image passage 8 two field pictures latch.

7, focus defines and adopts the wild and asymmetric wild mode of symmetry, can satisfy the positioning requirements to different tumour patients.

8, the numeral indication of defining the light open country and defining radiation field size shows in real time from motion tracking SAD variation.

9, select import low noise, large speed ratio reducing motor for use, start, operate steadily.

10, import electrodeless variable-speed speed adjusting technique is adopted in the frame rotation, has increased stability of rotation.

11, electronic revolution bed can be synchronous with accelerator bed.

12, this machine is provided with auto-reset function, can automatically reset to initial, set position by instruction.

13, can realize that computer, electrical equipment and mechanical kinds of protect are chain, it is more safe and reliable to have a machine in operation.

Description of drawings

Fig. 1 is the structural representation of radiotherapy simulator

Fig. 2 is the motive position motion mode figure of radiotherapy simulator

Fig. 3 is a radiotherapy simulator electricity theory diagram

The specific embodiment

Complete machine structure and abbreviated functional description

Complete machine structure is seen accompanying drawing 1.

The each several part motion mode is seen accompanying drawing 2.

The critical piece abbreviated functional description

Rack: the concentrated place that is the controlled electrical equipment of full machine.Its underpart is variac, manostat and high-current relay, and top front face is equipped with the appliance component relevant with the X line traffic control.Top rear face is equipped with and turning arm, the relevant electric elements of therapeutic bed control.The structure assembling of opening the door in casing employing four sides, debugging, inspection, maintenance etc. are all comparatively convenient.

Rotary frame is made up of: support (2a), principal arm (2b), pipe ball support arm (2c) and image amplifier support arm (2d).Its effect is to support X spool and image amplifier, rotates synchronously around axle with identical angle and the radius that has nothing in common with each other, and combines with the bed surface motion again, makes focus and rotating shaft concentric, thereby obtains the best located angle and the degree of depth, for treatment provides the data foundation.

Optical rangefinder: form by light source, micro scale, meniscus etc.When the patient behind X line location, can the light open country be projected on the patient skin by this instrument, can obtain parameters such as focus-skin distance, tumor skin distance, be the incomparable survey tool of other measurer.

X spool assembly: be that the source takes place X ray, be the critical component of X line machine.What use in this machine is bifocal microfocus X-ray pipe, can obtain high-quality image and powerful output.

Define device: structurally comprise two groups of plumbous leaves.Directions X motion and the motion of Y direction can be done respectively, light open country, radiation field size can be enlarged or dwindle arbitrarily within the specific limits.

(1) well word line: be four metal line that cross one another that define pathological changes.Play important effect to defining the pathological changes size.These facility have " symmetry is wild " and " asymmetric open country " two kinds to define mode, and two groups " boundary lines " of symmetrical wild directions X or Y direction can open and close synchronously; Four lines of asymmetric wild directions X and Y direction then can move respectively, are independent of each other.

(2) visual field lamp: be positioned at the collimator appropriate location, its light open country should be parallel to radiation field size.How are light open country and radiation field size registration, determined positioning accuracy.Visual field lamp is provided with delay switching circuit, and 15 seconds～30 seconds in limited time, the time was adjustable.

Other control device: be to hang at the other controller of therapeutic bed, have the partial function of control station, its function is: functions such as ball lifting are defined, manage in the rotation of control frame, the three-dimensional motion of booster, the visual field.Do not establish the control function of X line circuit.

Therapeutic bed: be to support the device that the patient goes to a doctor, can be X, Y, the Z three-dimensional motion, and the rotation at 0 °～90 °, 359 °～270 ° at center such as can do.

The medical X-ray television system: be the important component part of analog machine, by: controller, video camera, monitor, image amplifier and optical system are formed.Its quality good or not and picture quality are closely bound up.

Microsystem: promptly complete PC, in this equipment, serve as: functions such as control, computing, storage, demonstration, printing.Its parts comprise: main frame, display, keyboard, memorizer, mouse, printer and ups power etc.

Control station: the control master who is full machine makes platform.

Transmitter receiver: be ordinary audio amplifier, actual only monitor the machine room situation or notify the patient for the doctor for doctor or operator with two-way call function, such as: the usefulness of air-breathing, pharynx medicine etc.

Gigantos a: important component part that is X line machine, its basic structure is by high-tension transformer, X spool filament transformer and high-voltage rectification silicon stack, be assembled in the seal box that is filled with insulating oil, low-voltage lead is drawn by the low-pressure end daughter board, receives on the binding post of switch board.High pressure is drawn by the high pressure jack of standard, draws with the high tension cable of standard to be connected to X spool bulb.

TWM type analog machine adopts standard PLC industrial control computer and PC dual control system, and has disposed the image pick-up card of fine definition, automatic ink-jet printer. therefore can realize functions such as networking, image storage, demonstration, printing, medical record demonstration, data correction, the measurement of image coordinate electronic ruler; The mode of defining comprises that symmetry is wild and asymmetric wild two kinds, has satisfied the specific (special) requirements of tumor-localizing.

Bed panel adopts carbon materials, thereby has reduced the irradiation absorbance.

Claims (2)

1. radiotherapy simulator is characterized in that: be made up of following part device:

The concentrated rack that the controlled electrical equipment of full machine is arranged, its underpart are variac, manostat and high-current relay, and top front face is equipped with the appliance component relevant with the X line traffic control; Top rear face is equipped with and turning arm, the relevant electric elements of therapeutic bed control; The structure that casing adopts the four sides to open the door;

Rotary frame is made up of: support (2a), principal arm (2b), pipe ball support arm (2c) and image amplifier support arm (2d);

Optical rangefinder: form by light source, micro scale, meniscus etc.;

What X spool assembly adopted is bifocal microfocus X-ray pipe;

Define device: structurally have two groups can make directions X motion and the Y direction plumbous leaf that moves respectively;

(1) well word line: be four metal line that cross one another that define pathological changes; These facility have " symmetry is wild " and " asymmetric open country " two kinds to define structure, and two groups " boundary lines " of symmetrical wild directions X or Y direction can open and close synchronously; Four lines of asymmetric wild directions X and Y direction then can move respectively, are independent of each other;

(2) visual field lamp: be positioned at the collimator appropriate location, its light open country should be parallel to radiation field size; How are light open country and radiation field size registration, determined positioning accuracy; Visual field lamp is provided with delay switching circuit, and 15 seconds～30 seconds in limited time, the time was adjustable;

Other control device: be to hang in the rotation of the other control of therapeutic bed frame, the three-dimensional motion of booster, the visual field to define, manage functions such as ball lifting; Controller,

Therapeutic bed: X is arranged, Y, the Z three-dimensional motion mechanism,

By the medical X-ray television system of forming by controller, video camera, monitor, image amplifier and optical system;

Microsystem: comprising: main frame, display, keyboard, memorizer, mouse, printer and ups power etc.;

Control station:

Transmitter receiver: be ordinary audio amplifier with two-way call function;

Gigantos: structure is by high-tension transformer, X spool filament transformer and high-voltage rectification silicon stack, is assembled in the seal box that is filled with insulating oil, and low-voltage lead is drawn by the low-pressure end daughter board, receives on the binding post of switch board; High pressure is drawn by the high pressure jack of standard, draws with the high tension cable of standard to be connected to X spool bulb.

2. radiotherapy simulator according to claim 1 is characterized in that: the bed panel of therapeutic bed adopts the carbon materials that can reduce the irradiation absorbance.

Images