CN217409578U - Fixing device for chest and abdomen precision radiotherapy - Google Patents

Abstract

The utility model discloses a fixing device for chest and abdomen accurate radiotherapy, including chest and abdomen locating plate, chest and abdomen locating plate is installed in bed board upper surface, and the upper surface of chest and abdomen locating plate is U-shaped along the longitudinal structure, the upper surface of chest and abdomen locating plate is provided with a plurality of first bulges along the transverse structure, and a plurality of first bulges correspond to the neck back of the human body, waist and the concave position behind the knee respectively; the chest abdomen locating plate is characterized in that two limiting plates are respectively arranged on the two longitudinal sides of the chest abdomen locating plate, and at least one movable stop block used for locating the position of each limiting plate is arranged between each limiting plate and the bed plate. The fully-wrapped three-dimensional body position fixing structure of the device solves the problems that a patient is unconsciously displaced, positioned and positioned difficultly, and the body position cannot keep a posture for a long time in the positioning treatment process, and the like.

Description

Fixing device for chest and abdomen precision radiotherapy

Technical Field

The utility model relates to the field of mechanical devices, concretely relates to a fixing device for accurate radiation therapy of chest abdomen.

Background

The precise positioning of modern radiotherapy is different day by day, and the positioning of the negative pressure pad to the fixed positioning of the body membrane has various advantages and disadvantages. The body membrane is fixed by the existing stage, and the body membrane plate is generally a carbon fiber plate and a plurality of buckle fixing body membranes, so that the patient generally reflects that the bed surface is too hard and the comfort level is too poor. Because the human body is oval, and the horizontal carbon fiber plate of lying does not have the tongue and groove again, leads to the position fixed and the pendulum position degree of difficulty to increase.

Disclosure of Invention

In order to solve the problem, the utility model discloses a fixing device for accurate radiation therapy of chest abdomen, the device's three-dimensional position fixed knot of package constructs and has solved patient unconscious displacement, the location difficulty of putting, the unable long-time difficult problems such as a posture of keeping of position in the location treatment process.

A fixing device for chest and abdomen precise radiotherapy comprises a chest and abdomen positioning plate, wherein the chest and abdomen positioning plate is arranged on the upper surface of a bed plate, the upper surface of the chest and abdomen positioning plate is U-shaped along a longitudinal structure, a plurality of first bulges are arranged on the upper surface of the chest and abdomen positioning plate along a transverse structure, and the first bulges respectively correspond to the back of the neck, the waist and the concave part behind the knee of a human body; the chest abdomen locating plate is characterized in that two limiting plates are respectively arranged on the two longitudinal sides of the chest abdomen locating plate, and at least one movable stop block used for locating the position of each limiting plate is arranged between each limiting plate and the bed plate.

Preferably, the opposite sides of two limiting plates all are provided with the second arch, and the second arch corresponds human neck side, waist side and shank side position.

Preferably, at least two fixing buckles used for fixing the body membrane are further arranged on the bed plate on two sides of the limiting plate.

Preferably, a positioning ruler fixed with the bed board is arranged above the chest and abdomen positioning plate.

Preferably, the positioning ruler is provided with a laser therapeutic apparatus and a plurality of positioning points, and the positioning points are in sliding connection with the positioning ruler.

Preferably, the chest and abdomen positioning plate is clamped with the bed plate.

The utility model has the advantages that:

the device has the characteristics of improving the accuracy and linearity of the position of a patient in radiotherapy, having good positioning and positioning fixity, good repeatability, simple operation, quick and accurate positioning, improving the working efficiency and the like. Due to the accurate position, the dosage accuracy is improved, the side reaction of a patient is reduced, the focus control rate is improved, and the tumor radiotherapy effect is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of the top view structure of the present invention.

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic perspective view of the present invention;

the multifunctional chest-abdomen positioning table comprises a table plate 1, a table plate 2, a chest-abdomen positioning plate 3, a limiting plate 4, a fixing buckle 5, a movable stop block 6 and a positioning ruler.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The utility model discloses a fixing device for accurate radiotherapy of chest abdomen as shown in fig. 1-3, this fixing device includes chest abdomen locating plate 2, limiting plate 3, fixed knot 4, portable dog 5 and location chi 6, wherein chest abdomen locating plate passes through the buckle joint at the upper surface of bed board 1, the upper surface of chest abdomen locating plate is the U type along the longitudinal structure of Y axle, low both sides height in the middle of promptly, can not remove when patient lies on the locating plate like this, there is a limiting displacement, also accord with human unsmooth curve, make the patient more comfortable, the upper surface of chest abdomen locating plate is provided with a plurality of first archs along the transverse structure of X axle, these a plurality of first archs correspond the human neck back respectively, waist and knee rear, further increase the comfort level at ordinary times that the patient lies, reduce the removal, improve the treatment accuracy. And two limiting plates 3 are respectively arranged on the Y-direction two sides of the chest and abdomen positioning plate and used for stopping the movement of the patient. Be connected with two portable dogs 5 with the bed board in the outside of limiting plate, be provided with a plurality of locating holes on the portable dog, also process a plurality of locating holes simultaneously on the bed board, through the round pin axle with the dog on different locating holes with the bed board on different locating holes be connected, realize the removal of dog Y axle direction on the bed board, and then the distance between the two limiting plates of adjustment, adapt to the patient of different health width.

The operation method of the device is as follows:

(1) the chest and abdomen positioning plate 2 is placed on the bed plate 1, so that the patient lies on the concave-convex groove at the bottom, and the patient freely moves up and down according to the comfort level of the patient until the optimal comfortable position is reached. Then the position of the stop block 5 can be adjusted according to the width of the body of the patient, and the positions of the two limit plates 3 are fixed, so that the back and the two sides of the body of the patient can be adjusted to the optimal positions. After the position is adjusted, the polyethylene film is dissolved by warm water of 70 ℃, and then the polyethylene film is tightly attached to the front body surface of a patient and is pulled downwards to the polyethylene film fixing buckles 4, the fixing buckles are two groups, each group comprises two positioning buckles, the two positioning buckles are symmetrically distributed about the Y-direction central line of the positioning plate, the two groups of fixing buckles are respectively positioned at the head and the foot of the patient, the polyethylene film is buckled by the fixing buckles, the body position is fixed, and the cooling is carried out for 15 minutes;

(2) after the body membrane is cooled, taking down the body membrane, clamping the body membrane into a positioning plate by using a positioning ruler 6, selecting a nearest bony mark according to the position of a focus of a patient, making a mark to record the position of the positioning ruler on the positioning plate, fixing the body position of the patient and the relative position of a head body plate, buckling the body membrane without marking the positioning point on the body membrane, and fixing the body membrane, the thoracico-abdominal positioning plate 2, the two side limiting plates 3 and the body membrane to be integrated into a whole at the position of the patient;

(3) And putting the positioning ruler 6 according to the coordinate position just recorded. Three cross positioning points are arranged on the positioning ruler 6. CT scanning is carried out according to the tumor position, and then images are transmitted to a TPS planning system;

(4) Finding a positioning point on the bracket on the TPS plan, and determining an origin;

(5) after the patient plan is designed in the early step, the patient enters a treatment positioning mode, and the patient is clamped into the support according to the recorded coordinates in the repeated positioning process. Finding out the relative position of the patient, buckling the mould body, clamping the mould body into the original point of the bracket X, Y, Z in each direction again, and finding out the center of the tumor according to the laser line of the accelerator.

The treatment head body plate is made of carbon fiber, the chest and abdomen positioning plate and the limiting plate are made of low-density plastic materials and are fixed by position fixing buckles. The coordinatometer is made of low-density plastic material or tough low-density material, three slidable cross-shaped high-density positioning points are embedded in the middle of the coordinatometer, and the machined positioning ruler is clamped into the bed board to be positioned and reset.

Although the specific embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications or variations can be made by those skilled in the art without inventive efforts on the basis of the technical solutions of the present invention.

Claims (6)

1. A fixing device for chest and abdomen precise radiotherapy is characterized by comprising a chest and abdomen positioning plate (2), wherein the chest and abdomen positioning plate is mounted on the upper surface of a bed plate (1), the upper surface of the chest and abdomen positioning plate is U-shaped along a longitudinal structure, a plurality of first bulges are arranged on the upper surface of the chest and abdomen positioning plate along a transverse structure, and the first bulges correspond to the back of the neck, the waist and the concave part of the knee of a human body respectively; the limiting plates (3) are respectively arranged on two longitudinal sides of the chest and abdomen positioning plate, and at least one movable stop block (5) for positioning the position of each limiting plate is arranged between each limiting plate and the bed plate.

2. The fixing device for thoracoabdominal precise radiotherapy according to claim 1, wherein the opposite sides of the two limiting plates are provided with second protrusions, and the second protrusions correspond to the positions of the neck side, the waist side and the leg side of the human body.

3. The device according to claim 1, wherein the two sides of the position-limiting plate are provided with at least two fixing buckles (4) for fixing body membrane on the bed plate.

4. The fixing device for thoracic and abdominal precise radiotherapy according to claim 1, characterized in that a positioning ruler (6) fixed with the bed plate is arranged above the thoracic and abdominal positioning plate.

5. The device as claimed in claim 4, wherein the positioning ruler is provided with a laser treatment device and a plurality of positioning points, and the positioning points are slidably connected with the positioning ruler.

6. The device as claimed in claim 1, wherein the chest and abdomen positioning plate is clamped to the bed plate.

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