CN218885003U

CN218885003U - Radioactive source die body fixing plate for D-SPECT

Info

Publication number: CN218885003U
Application number: CN202222993395.2U
Authority: CN
Inventors: 张春明; 周誉; 顾汪思遥; 杨志山
Original assignee: Shanghai Guangmai Medical Technology Co ltd
Current assignee: Shanghai Guangmai Medical Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-04-18
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a radioactive source die body fixing plate for D-SPECT, relating to the technical field of radioactive source die body fixing plates; for convenience of positioning; the method comprises the following steps: the fixing plate comprises a fixing plate main body, wherein the top of the fixing plate main body is provided with a plurality of positioning grooves, the positioning grooves are of a two-thirds circular structure, and two sides of the plane side of each positioning groove are provided with fillet grooves; wherein, the quantity of constant head tank is 13. The utility model discloses a set up the fixed plate main part and possess 13 constant head tanks, correspond the test position location, the tester can test at the position of difference as required, through carrying out the analysis to the test result at different positions, can obtain more detailed result analysis to the resolution ratio and the definition of equipment, secondly, the constant head tank adopts special recess shape, cooperate with the die body bottom, angular deviation has been avoided, make the tester take and put the convenience, avoid human error, set up the fillet groove, the purpose prevents interference fit, can't take off.

Description

Radioactive source die body fixing plate for D-SPECT

Technical Field

The utility model relates to a radiation source die body fixed plate technical field especially relates to a D-SPECT is with radiation source die body fixed plate.

Background

For the testing stage of the D-SPECT equipment, a tester needs to use a bracket to place a radioactive source die body at a specified position to simulate the heart of a patient; at present, a radioactive source die body can only be placed at one fixed position by using a single bracket, and multi-position simulation cannot be realized; meanwhile, the D-SPECT equipment can scan the heart positions and the heart sizes of different patients, so that simulation of different positions is required in the testing process to reach the testing standard, and when a tester manually positions a plurality of radioactive source die bodies, the relative position of each radioactive source die body is not conveniently and accurately judged, the situation of positioning deviation is more likely to occur, the testing is influenced, and therefore improvement is needed.

Through retrieval, the patent with the Chinese patent application number of 201610800191.9 discloses a SPECT detection device, which comprises a sensitivity die body and a die body fixing device, wherein the sensitivity die body comprises a base, a die body cover and an empty slot, the base is provided with the empty slot, and the die body cover is arranged on the base in a covering manner so as to enable the empty slot to form a closed space; the die body fixing device comprises a connecting rod, a locking block and a bottom plate; one end of the sensitivity die body is connected with one end of the locking block, the other end of the locking block is connected with one end of the connecting rod, and the other end of the connecting rod is connected with the bottom plate. The above patents suffer from the following disadvantages: when carrying out the test simulation of different positions, when the tester was manual to a plurality of radiation source die bodies fix a position, positioning error's the condition appears easily, influences the test.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a radioactive source die body fixing plate for D-SPECT.

In order to realize the purpose, the utility model adopts the following technical scheme:

a radiation source phantom fixing plate for D-SPECT comprises:

the fixing plate comprises a fixing plate main body, wherein the top of the fixing plate main body is provided with a plurality of positioning grooves, the positioning grooves are of a two-thirds circular structure, and two sides of the plane side of each positioning groove are provided with fillet grooves;

wherein, the quantity of constant head tank is 13.

Preferably, the following components: the outer wall of the top of the fixing plate main body is provided with a positioning guide pillar, the bottom of the fixing plate main body is provided with a positioning hole matched with the positioning guide pillar, and the positioning guide pillar of one fixing plate main body is detachably connected in the positioning hole of the other fixing plate main body in a sliding mode.

And further: the bottom of the positioning groove is provided with a through hole.

Further preferred is: the position of the top of the fixing plate body, which is close to the positioning groove, protrudes upwards to form a convex block, the bottom of the fixing plate body is provided with an installation cavity, the position of the installation cavity is matched with the convex block, and a jacking piece is arranged in the installation cavity.

As an optimization of the utility model: the jacking piece comprises:

the top of the top plate is provided with a top column;

annular elastic connecting portion, the annular elastic connecting portion outside is fixed in the installation cavity inboard, and annular elastic connecting portion inboard is fixed in the roof outside.

As the utility model discloses further preferred: the outer wall of one side of the fixing plate main body is provided with a pin hole, the pin hole is internally detachably inserted with a fixing pin, and one end of each fixing pin is fixed with the same connecting piece.

As the utility model discloses further scheme again: the diameter of one end of the fixing pin is gradually reduced towards the direction far away from the connecting sheet; so that the fixing pin can be smoothly inserted into the pin hole.

On the basis of the scheme: the outer wall of one side of the connecting piece is fixed with a pull ring, so that the fixing pin can be conveniently pulled out.

On the basis of the foregoing scheme, it is preferable that: handles are arranged on the outer walls of two sides of the fixing plate main body.

The utility model has the advantages that:

1. the utility model discloses a set up the fixed plate main part and possess 13 constant head tanks, correspond the test position location, the tester can test at different positions as required, through carrying out the analysis to the test result at different positions, can obtain more detailed result analysis to the resolution ratio and the definition of equipment, secondly, the constant head tank adopts special recess shape, cooperate with the die body bottom, the angular deviation has been avoided, make the tester take and put conveniently, and set up the constant head tank into special two-thirds circular structure, under the circumstances of guaranteeing the die body focus is stable, the die body utilizes self gravity and the holding power of constant head tank side to carry out spacing location; the die body is placed in the positioning groove to be automatically positioned, directly faces the direction of the probe, does not need manual adjustment of a tester, avoids human errors, and is provided with the fillet groove to prevent interference fit and incapability of being taken down.

2. The utility model has the advantages that the structure of the positioning guide pillar is arranged, so that a plurality of fixing plate main bodies can be stacked and placed conveniently, and the practicability is improved; through setting up jacking piece and lug, can be when the die body takes out in the constant head tank as required, press down the fixed plate main part at top, utilize the lug of below fixed plate main part to upwards support the roof, along with the effort increase, annular elastic connection portion deformation takes place relative displacement between roof and the fixed plate main part to make the fore-set top slide in the through-hole, ejecting the die body in the constant head tank, be convenient for take, promoted the practicality.

Drawings

FIG. 1 is a schematic structural view of a fixing plate of a radioactive source die body for D-SPECT of the present invention;

FIG. 2 is a top view of a fixing plate of the radioactive source die body for D-SPECT of the present invention;

fig. 3 is a schematic structural view of the two fixing plate bodies of the radiation source die body fixing plate for D-SPECT splicing according to embodiment 2 of the present invention;

fig. 4 is a schematic structural view of the split structure of two fixing plate bodies of the radiation source die body fixing plate for D-SPECT in embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a sectional view of a fixing plate body of a radiation source die body fixing plate for D-SPECT in accordance with embodiment 2 of the present invention;

fig. 6 is a schematic structural diagram of a sectional view of a mounting cavity of a radiation source die body fixing plate for D-SPECT in accordance with embodiment 2 of the present invention.

In the figure: the fixing plate comprises a fixing plate main body 1, a positioning groove 2, a fillet groove 3, a pull ring 4, a handle 5, a positioning guide pillar 6, a bump 7, a connecting sheet 8, a fixing pin 9, a pin hole 10, a top plate 11, a top column 12, an installation cavity 13, an annular elastic connecting part 14 and a through hole 15.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1:

a radiation source phantom fixation plate for D-SPECT, as shown in fig. 1-6, comprising:

the fixing plate comprises a fixing plate main body 1, wherein the top of the fixing plate main body 1 is provided with a plurality of positioning grooves 2, the positioning grooves 2 are of a two-thirds circular structure, and two sides of the plane side of each positioning groove 2 are provided with fillet grooves 3;

wherein, the number of the positioning grooves 2 is preferably 13;

the fixing plate main body 1 is provided with 13 positioning grooves 2 corresponding to test point positions, testers can test at different point positions according to requirements, the test results at different point positions are analyzed, the resolution and the definition of equipment can be analyzed in a more detailed result mode, and the positioning grooves 2 are in special groove shapes and matched with the bottom of a die body, so that angle deviation is avoided, the testers can conveniently take and place the die body, the positioning grooves 2 are arranged to be in special two-thirds circular structures, and the die body is limited and positioned by using self gravity and supporting force of the side edges of the positioning grooves 2 under the condition that the gravity center of the die body is stable; the die body is placed to the positioning groove 2, namely, the die body is automatically positioned, directly faces to the direction of the probe, does not need manual adjustment of a tester, avoids human errors, and is provided with the fillet groove 3 to prevent interference fit and cannot be taken down.

Example 2:

a fixing plate of a radioactive source die body for D-SPECT is shown in figures 3-6 and is convenient to assemble and place; the present embodiment is modified from embodiment 1 in the following way: the outer wall of the top of the fixing plate main body 1 is provided with a positioning guide pillar 6, the bottom of the fixing plate main body 1 is provided with a positioning hole matched with the positioning guide pillar 6, and the positioning guide pillar 6 of one fixing plate main body 1 is detachably connected in the positioning hole of the other fixing plate main body 1 in a sliding manner;

through setting up 6 isotructures of positioning guide pillar, be convenient for pile up a plurality of fixed plate main parts 1 and place, promoted the practicality.

In order to facilitate the taking out of the die body arranged in the positioning groove 2; as shown in fig. 3 and 6, a through hole 15 is formed at the bottom of the positioning slot 2.

In order to more conveniently take out the die body; as shown in fig. 4, 5, and 6, a position of the top of the fixing plate body 1, which is close to the positioning groove 2, protrudes upward to form a bump 7, the bottom of the fixing plate body 1 is provided with an installation cavity 13, the installation cavity 13 is matched with the bump 7, and a jacking piece is arranged in the installation cavity 13.

In order to facilitate the ejection of the die body; as shown in fig. 5 and 6, the jacking member includes:

the top of the top plate 11 is integrally provided with a top column 12;

the outer side of the annular elastic connecting part 14 is fixed on the inner side of the mounting cavity 13, and the inner side of the annular elastic connecting part 14 is fixed on the outer side of the top plate 11;

through setting up jacking piece and lug 7, can be when the mould takes out in 2 constant head tanks in needs, press down the fixed plate main part 1 at top, utilize lug 7 of below fixed plate main part 1 to upwards support roof 11, along with the effort increase, annular elastic connecting portion 14 deformation, take place relative displacement between roof 11 and the fixed plate main part 1 to make the 12 tops of fore-set slide in through-hole 15, ejecting with the mould in 2 constant head tanks, be convenient for take, promoted the practicality.

In order to fix the two fixing plate main bodies 1 conveniently; as shown in fig. 4, a pin hole 10 is formed in the outer wall of one side of the fixing plate body 1, fixing pins 9 are detachably inserted into the pin hole 10, and one connecting piece 8 is fixed at one end of each of the two fixing pins 9;

by providing the connecting piece 8 and the fixing pin 9, the fixing pins 9 can be inserted into the pin holes 10 to position and fix the two fixing plate bodies 1.

To facilitate insertion of the fixing pin 9; as shown in fig. 4, the diameter of one end of the fixing pin 9 is gradually reduced towards the direction away from the connecting sheet 8; so that the fixing pin 9 is smoothly inserted into the pin hole 10.

In order to improve the practicability; as shown in fig. 4, the pull ring 4 is fixed on the outer wall of one side of the connecting piece 8 through a screw, so that the fixing pin 9 can be conveniently pulled out.

In order to improve the practicability; as shown in fig. 4, handles 5 are mounted on the outer walls of both sides of the fixing plate body 1.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A fixing plate of a radioactive source die body for D-SPECT is characterized by comprising:

the fixing plate comprises a fixing plate main body (1), wherein a plurality of positioning grooves (2) are formed in the top of the fixing plate main body (1), the positioning grooves (2) are of a two-thirds circular structure, and fillet grooves (3) are formed in two sides of the plane side of each positioning groove (2);

wherein, the number of the positioning grooves (2) is 13.

2. The fixed plate of the radioactive source die body for the D-SPECT according to claim 1, wherein the outer wall of the top of the fixed plate main body (1) is provided with a positioning guide pillar (6), the bottom of the fixed plate main body (1) is provided with a positioning hole matched with the positioning guide pillar (6), and the positioning guide pillar (6) of one fixed plate main body (1) is detachably and slidably connected in the positioning hole of the other fixed plate main body (1).

3. The fixing plate for the radioactive source die body for the D-SPECT as claimed in claim 2, wherein the bottom of the positioning groove (2) is provided with a through hole (15).

4. The radiation source die body fixing plate for the D-SPECT according to claim 3, wherein the top of the fixing plate main body (1) is protruded upwards to form a bump (7) at a position close to the positioning groove (2), the bottom of the fixing plate main body (1) is provided with a mounting cavity (13), the position of the mounting cavity (13) is matched with the bump (7), and the mounting cavity (13) is internally provided with a jacking piece.

5. The radiation source die body fixing plate for the D-SPECT according to claim 4, wherein the jacking piece comprises:

the top of the top plate (11) is provided with a top column (12);

the outer side of the annular elastic connecting part (14) is fixed on the inner side of the mounting cavity (13), and the inner side of the annular elastic connecting part (14) is fixed on the outer side of the top plate (11).

6. The fixing plate for the radioactive source phantom for the D-SPECT (D-SPECT) according to claim 2, characterized in that a pin hole (10) is formed in the outer wall of one side of the fixing plate body (1), a fixing pin (9) is detachably inserted into the pin hole (10), and one end of each of the two fixing pins (9) is fixed with the same connecting piece (8).

7. The fixing plate for the radioactive source phantom for D-SPECT according to claim 6, characterized in that the diameter of one end of the fixing pin (9) is gradually reduced towards the direction far away from the connecting piece (8); so that the fixing pin (9) can be smoothly inserted into the pin hole (10).

8. The fixing plate for the radioactive source die body for the D-SPECT according to claim 7, characterized in that a pull ring (4) is fixed on the outer wall of one side of the connecting piece (8) to facilitate the pulling out of the fixing pin (9).

9. The fixing plate for the radioactive source die body for the D-SPECT according to claim 2, characterized in that handles (5) are arranged on the outer walls of two sides of the fixing plate body (1).