Positron emission tomography imaging frame with variable structure

A technology of positron emission and tomography, which is applied in the fields of diagnosis, radiodiagnostic instruments, medical science, etc., can solve problems such as lack of flexibility, limited detection ability, immobility, etc., and achieve high adjustability and adaptability strong effect

Active Publication Date: 2011-09-14
RAYCAN TECH CO LTD SU ZHOU
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  • Abstract
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Problems solved by technology

At present, the PET system still adopts the traditional general design mode. The performance and size of each detection module are basically the same, and they are completely fixed on the frame. It is impossible to adjust the shape of the detection ring or the performance composition of the detection module as needed. Complete, the frame is fixed during the detection process, or rotates around a fixed center in a fixed mode (Michael E. Phelps, PET Physics, Instrumentation, and Scanners, Springer, 2006), the flexibility is obviously insufficient, limiting its detection capabilities

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  • Positron emission tomography imaging frame with variable structure
  • Positron emission tomography imaging frame with variable structure
  • Positron emission tomography imaging frame with variable structure

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0022] Such as figure 1 As shown, the positron emission tomography gantry with variable structure of the present invention includes an inner ring 1 of the gantry, and the inner ring 1 of the gantry is fixed. There is a circular track on the inner ring 1 of the rack, and several module tracks 2 are installed on the circular track. The module rail 2 is used to place the detection module 3 . The detection modules 3 working on the inner ring 1 of the frame constitute the detection ring. The detection module 3 can perform radial movement, circular movement and direction transformation through the module track 2 to construct detection rings of various sizes and shapes.

[0023] The module track 2 is installed radially along its axis, and can be equipped with a transmission device for driving the detection module 3 to move radially along the modul...

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Abstract

The invention discloses a positron emission tomography imaging frame with a variable structure. Detection modules in the frame can be adjusted in multi-degree of freedom. The frame comprises a frame inner ring and / or a frame fixed ring and / or a frame outer ring, wherein the detection module on each module track forms a detection ring for imaging; the detection modules can realize radial movement, circumferential motion and / or direction adjustment on the module tracks on a round track of the frame inner ring so as to build the detection rings with various dimensions and / or shapes; the detection modules can be moved to other module tracks under the action of a mechanical arm on the frame outer ring and change the sequence of the detection modules so as to construct the detection rings with various different properties of the detection modules; and the whole detection rings can do circular motion. The frame has high structure adaptability and high adjustability and is a key technique for realizing customized type, one-machine multifunctional type and one-machine multi-purpose type application adaptability positron emission tomography imaging instruments.

Description

technical field [0001] The invention relates to a positron emission tomography imaging frame, which belongs to the field of medical imaging instruments. Background technique [0002] Positron Emission Tomography (PET) is a cutting-edge nuclear medicine imaging method, which non-invasively, quantitatively and dynamically evaluates the metabolic level of various organs / tissues by detecting the distribution of radioactive tracer molecules in vivo , biochemical reactions, functional activities and perfusion, PET imagers have shown great application value in the diagnosis and treatment of major diseases, pathology research, pharmacology research, drug development and other fields (Hao Peng, Craig S.Levin, "Recent Developments in PET Instrumentation," Current Pharmaceutical Biotechnology, vol.11, pp.555-571, 2010). [0003] The PET imager receives and deposits gamma photons through the detection module, converts them into electrical signals for signal processing, extracts time, p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/02
Inventor 肖鹏李炳轩刘晶晶谢庆国
Owner RAYCAN TECH CO LTD SU ZHOU
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