Gamma camera with collimating unit
By using an alternating array of needle collimators and a scintillation crystal unit design, the efficiency and field-of-view limitations of gamma camera systems in high-energy gamma ray detection were solved, enabling a gamma camera with high sensitivity and full-field imaging.
CN122330953BActive Publication Date: 2026-08-25TSINGHUA UNIVERSITY +1
3 Cites 0 Cited by
Patent Information
- Application Number
- CN202511953134.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-23
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2045-12-23
AI Technical Summary
Technical Problem
Existing gamma camera systems struggle to simultaneously balance detection sensitivity and imaging performance across different application scenarios, especially in high-energy gamma ray detection where efficiency and field of view are limited.
Method used
By employing an array of staggered needle-shaped collimators and scintillation crystal units, a supporting structure is designed to form a spatial polyhedron. Combined with a photoelectric conversion unit, this enables effective collimation and detection of gamma photons.
Benefits of technology
It improves the imaging quality and sensitivity of the gamma camera, expands the energy detection range, provides full-field 4π imaging capability and high resolution, and adapts to the imaging needs of different scenarios.
✦ Generated by Eureka AI based on patent content.
Abstract
The disclosure provides a gamma camera with a collimation unit, which can be applied to the technical field of detection. The gamma camera comprises at least one detection unit, and the detection unit comprises: a collimation unit, the collimation unit comprises a plurality of needle collimator arrays staggered with each other, each needle collimator array comprises a plurality of needle collimators arranged in an array and each having a length direction pointing in the same direction, and the length directions of the needle collimators in different needle collimator arrays point in different directions; a plurality of scintillation crystal units for detecting gamma photons penetrating the collimation unit in different directions and generating a plurality of groups of scintillation light signals; and a plurality of photoelectric conversion units, each of which is coupled to a scintillation crystal unit and used for converting the plurality of groups of scintillation light signals into a plurality of groups of electric signals for imaging of the gamma camera.
Need to check novelty before this filing date? Find Prior Art