CN214622400U

CN214622400U - Precision CT detector module

Info

Publication number: CN214622400U
Application number: CN202120495297.9U
Authority: CN
Inventors: 潘险峰; 李雷
Original assignee: Minfound Medical Systems Co Ltd
Current assignee: Minfound Medical Systems Co Ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-05
Anticipated expiration: 2031-03-09

Abstract

The utility model relates to the technical field of CT instruments, in particular to a precise CT detector module, which comprises an ASG (automatic sequence generator), a detector unit and a fixed base body, wherein the detector unit is integrated with a detection crystal, a positioning groove matched with the shape of the detection crystal is arranged on the surface of the ASG opposite to the detection crystal, and screw holes corresponding to each other are arranged on the ASG, the detector unit and the fixed base body; has the advantages that: the assembly of the detector modules does not need a tool, the ASG and the detection crystal are accurately positioned, the adjacent detector modules are accurately positioned, and the consistency is good.

Description

Precision CT detector module

Technical Field

The utility model relates to a CT apparatus technical field especially relates to an accurate CT detector module.

Background

In the prior art, the assembly between the ASG (anti-scatter grid) and the detector crystal in the detector module is realized by an assembly tool, but the following problems exist: 1. an additional tool is required, and the operation is complex; 2. the size error of the tool can be brought into the final assembly error, and the high precision is not easy to guarantee; 3. the assembly accuracy is affected by the thought operation and consistency cannot be guaranteed.

Based on this, the present disclosure is thus directed.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, an object of the utility model is to provide an accurate CT detector module, under the prerequisite that reduces the assembly degree of difficulty, guarantee the assembly precision.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

the utility model provides a precision CT detector module, includes ASG, detector unit and fixed base member, and the last integration of detector unit has the detection crystal, is equipped with on the relative face of ASG and detection crystal and surveys crystal shape assorted constant head tank, be equipped with the screw that corresponds each other on ASG, detector unit and the fixed base member.

Furthermore, a positioning long hole and a positioning surface are arranged on the ASG.

The utility model has the advantages that: the assembly of the detector modules does not need a tool, the ASG and the detection crystal are accurately positioned, the adjacent detector modules are accurately positioned, and the consistency is good.

Drawings

FIG. 1 is a schematic view showing the construction of a detector module in the embodiment;

FIG. 2 is a schematic view of a configuration on a face of an ASG opposite to a probe crystal in the embodiment;

FIG. 3 is an exploded view of FIG. 1;

FIG. 4 is a schematic diagram of a CT detector base plate;

description of the reference symbols

The device comprises an ASG (active surface sensor), a detector unit, a fixing base body, a positioning groove, a screw hole, a positioning long hole, a positioning surface and a detection crystal, wherein the ASG is 1, the detector unit is 2, the fixing base body is 3, the positioning groove is 4, the screw hole is 5, the positioning long hole is 6, the positioning surface is 7, and the detection crystal is 8.

Detailed Description

The present invention will be described in further detail with reference to examples.

The embodiment provides a precision CT detector module, as shown in fig. 1 to 3, including ASG1, detector unit 2 and fixed base member 3, be integrated with on the detector unit 2 and survey crystal 8, be equipped with on the ASG1 and survey the relative face of crystal 8 and survey the constant head tank 4 that the crystal 8 shape matches, the both ends of ASG1, detector unit 2 and fixed base member 3 all are equipped with screw 5 that mutually correspond, and ASG1 passes through the screw with detector unit 2 and is connected with fixed base member 3.

As in the prior art, the precision CT detector module is mounted on the detector base plate shown in fig. 4, and in order to ensure the mounting precision between adjacent detector modules, the ASG1 is provided with a positioning long hole 6 and a positioning surface 7. The positioning long holes 6 are located at two ends of the ASG1 and used for being connected with holes in the detector bottom plate, and the positioning surfaces 7 are end surfaces at two ends of the ASG1 and used for being attached to the detector bottom plate.

The above-mentioned embodiments are merely illustrative of the inventive concept and are not intended to limit the scope of the invention, which is defined by the claims and the insubstantial modifications of the inventive concept can be made without departing from the scope of the invention.

Claims

1. The utility model provides a precision CT detector module, includes ASG, detector unit and fixed base member, and the last integration of detector unit has detection crystal, its characterized in that: the ASG is provided with a positioning groove matched with the shape of the detection crystal on the surface opposite to the detection crystal, and the ASG, the detector unit and the fixed base body are provided with screw holes corresponding to each other.

2. A precision CT detector module as claimed in claim 1, wherein: and the ASG is provided with a positioning long hole and a positioning surface.