CN113749675A

CN113749675A - Brain PET detector

Info

Publication number: CN113749675A
Application number: CN202010482960.1A
Authority: CN
Inventors: 屈春蕾
Original assignee: Tianjin Tongtou Medical Technology Co ltd
Current assignee: Tianjin Tongtou Medical Technology Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-12-07

Abstract

The invention provides a brain PET detector, which comprises a support, a bed plate, a PET ring, a mechanical slide rail and a balancing weight, wherein the bed plate is obliquely arranged and fixed on the support, one side of the bed plate, which is close to the head of a patient, is connected with the PET ring through the mechanical slide rail, the balancing weight is connected on an adjusting rod of the mechanical slide rail, the balancing weight is arranged in a free falling body mode, the balancing weight balances the gravity of the PET ring and the friction force on the slide rail, so that the PET ring is in a force balance state, and the PET ring is moved by pulling the balancing weight. The PET ring is positioned on the mechanical slide rail, and is kept in a balanced state through the balancing weight, so that an operator can easily lift and fix the PET ring without any electric control device or any electric safety problem; the utility model is suitable for patients with different heights, and the patients can not feel tired; in addition, the problem that the scanning bed occupies a large space is solved.

Description

Brain PET detector

Technical Field

The invention mainly relates to the field of PET detectors, in particular to a brain PET detector.

Background

Let the patient sit the brain PET equipment that scans on the chair, the human body feels tired out easily, and the head position is difficult for fixing, and in addition, the scanning bed that lies flat takes up an area of the space great, and is not high to the adaptability of environment.

The published Chinese invention patent, application number CN201810785726.9, patent name: the utility model provides a whole full angle PET detector and whole equipment that accord with brain, application date: 2018-07-17, the invention relates to an integral full-angle coincidence brain PET detector, which comprises a plurality of detection modules, wherein each detection module consists of a crystal, a sensor array and a light guide, and the detection crystals are all arranged towards the direction in a cavity; the plurality of detection modules form a detection cavity with an opening, the length, the width and the height of the inner cavity of the detection cavity are not more than 35-50cm, and the opening of the detection cavity is positioned below the detection cavity; the sectional area of the opening is larger than the maximum horizontal sectional area of the head; all of the aforementioned modules are non-removably connected together except for the aforementioned opening; all of the cross-sectional areas of the gaps between the plurality of PET detection modules are smaller than 1/2-1/3 of the area of the smallest one of the detection crystals. True coincidence events occurring from the center of the detection cavity are detected by at least 75-80% of the plurality of PET detection modules. Integral equipment is also included.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a brain PET detector which comprises a support 1, a bed plate 2, a PET ring 3, a mechanical slide rail 4 and a balancing weight 5, wherein the bed plate 2 is obliquely fixed on the support 1, one side of the bed plate 2, which is close to the head 6 of a patient, is connected with the PET ring 3 through the mechanical slide rail 4, and an adjusting rod of the mechanical slide rail 4 is connected with the balancing weight 5;

the free-fall setting of balancing weight 5, balancing weight 5 balances 3 gravity of PET ring and the frictional force on slide rail 4, makes PET ring 3 be in the power balance state, moves PET ring 3 through pulling balancing weight 5.

Preferably, the brace 1 is L-shaped and forms a triangle with the torso portion 21 of the bed plate 2.

Preferably, the bed plate 2 is positioned below the head 6 of the patient and is connected with a height-adjusting head support 7 through a slide rail, the height-adjusting head support 7 is provided with an extension plate with the length of 30-50cm at the position below the head, and a plurality of positioning holes are formed in the extension plate, correspond to patients with different heights and are fixed with the bed plate 2.

Preferably, the bed board 2 is L-shaped, and the bottom is provided with a vertical baffle 22.

Preferably, a limit baffle 8 is arranged below the vertical baffle 22 of the bed plate 2.

Preferably, the angle alpha between the body part 21 of the bed plate 2 and the extension line of the horizontal end of the bracket 1 is 30-45 degrees.

Preferably, the angle α is 35 °.

The invention has the beneficial effects that:

1. the PET ring is positioned on the mechanical slide rail, and is kept in a balanced state through the balancing weight, so that an operator can easily lift and fix the PET ring without any electric control device or any electric safety problem;

2. the body part of the bed plate is fixed, and the upper part of the bed plate is provided with a head support with adjustable height for adapting to patients with different heights;

3. the patient can keep a static state for a period of time without feeling tired when the patient lies on the bed for scanning after the human body is straightened;

4. the bed board is inclined at a certain angle, so that the problem that the scanning bed occupies a large space is solved.

Drawings

FIG. 1 is a block diagram of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a support; 2. a bed board 21, a body part 22 and a vertical baffle plate; 3. a PET ring; 4. a mechanical slide rail; 5. a balancing weight; 6. a patient's head; 7. adjusting the height of the head support; 8. a limit baffle; 9. the trunk of the patient.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.

As shown in fig. 1, the present invention includes: the device comprises a support 1, a bed plate 2, a PET ring 3, a mechanical slide rail 4 and a balancing weight 5, wherein the bed plate 2 is obliquely fixed on the support 1, and one side of the bed plate 2, which is close to the head 6 of a patient, is connected with the PET ring 3 through the mechanical slide rail 4;

be connected with balancing weight 5 on the regulation pole of machinery slide rail 4, balancing weight 5 balances 3 gravity on the PET ring and the frictional force on slide rail 4, makes PET ring 3 be in the power balanced state, can easily remove PET ring 3 through pulling balancing weight 5.

In use, the PET ring 3 is positioned on the mechanical slide rail 4, the balance state is kept through the balancing weight 5, an operator can easily lift and fix the PET ring, no electric control device is provided, and no electric safety problem exists.

In this embodiment, the frame 1 is preferably L-shaped and forms a triangle with the torso portion 21 of the bed plate 2.

Set up above-mentioned structure, through triangular structure, realize the stability of support 1 and bed board 2, prevent to produce in the use and remove, guarantee the security.

In the embodiment, preferably, the bed plate 2 is located below the head 6 of the patient and is connected with a height-adjusting head support 7 through a slide rail, the height-adjusting head support 7 is provided with an extension plate with the length of 30-50cm at the position below the head, and a plurality of positioning holes are formed in the extension plate, correspond to patients with different heights and are fixed with the bed plate 2.

Set up above-mentioned structure, different height patients can select to be fixed with bed board 2 through different locating holes, adapts to the patient of different heights, improves the stability that the patient detected time measuring, guarantees to survey the quality.

In this embodiment, the bed plate 2 is preferably L-shaped, and a vertical baffle 22 is disposed at the bottom.

Set up above-mentioned structure, through vertical baffle 22, provide the foot point for the patient, lie after the human body straightens and scan on the bed and do benefit to the patient more and keep static state for a period, and can not feel tired out.

In this embodiment, it is preferable that the position limiting baffle plate 8 is provided below the vertical baffle plate 22 of the bed plate 2.

By adopting the structure, the movement of the bed plate 2 and the bracket 1 is prevented by utilizing the limit baffle 8, and the improvement is realized.

In the present embodiment, the angle α between the trunk portion 21 of the bed plate 2 and the extension line of the horizontal end of the bracket 1 is preferably 30-45 °.

In the present embodiment, the angle α is preferably 35 °.

By adopting the structure, the inclination of the bed plate 2 can be realized by using a proper angle, and the problem that the scanning bed occupies a large space is solved.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The brain PET detector is characterized by comprising a support (1), a bed plate (2), a PET ring (3), a mechanical sliding rail (4) and a balancing weight (5), wherein the bed plate (2) is obliquely arranged and fixed on the support (1), one side, close to the head (6) of a patient, of the bed plate (2) is connected with the PET ring (3) through the mechanical sliding rail (4), and the balancing weight (5) is connected on an adjusting rod of the mechanical sliding rail (4);

the free-fall setting of balancing weight (5), balancing weight (5) balances PET ring (3) gravity and the frictional force on slide rail (4), makes PET ring (3) be in the power balance state, moves PET ring (3) through pulling balancing weight (5).

2. The brain PET detector of claim 1, wherein: the bracket (1) is L-shaped and forms a triangle with the body part (21) of the bed board (2).

3. The brain PET detector of claim 2, wherein: the bed board (2) is positioned below the head (6) of the patient and is connected with a height-adjusting head support (7) through a slide rail, an extension plate with the length of 30-50cm is arranged at the position below the head of the height-adjusting head support (7), and a plurality of positioning holes are formed in the extension plate, correspond to patients with different heights and are fixed with the bed board (2).

4. The brain PET detector of claim 3, wherein: the bed board (2) is L-shaped, and the bottom of the bed board is provided with a vertical baffle (22).

5. The brain PET detector of claim 4, wherein: and a limiting baffle (8) is arranged below the vertical baffle (22) of the bed plate (2).

6. The brain PET detector of claim 5, wherein: the included angle alpha between the trunk part (21) of the bed plate (2) and the extension line of the horizontal end of the bracket (1) is 30-45 degrees.

7. The brain PET detector of claim 6, wherein: the angle alpha is 35 deg.