Detector and localizer for low energy radiation emissions

Details Detector and localizer for low energy radiation emissions Detector and localizer for low energy radiation emissions

1988-09-23

1990-01-09

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

128659, 25037001, G01T 1161

Patent

active

048930130

ABSTRACT:
A detector particularly suited for use in immuno-guided surgery capable of detecting very faint gamma emissions and thereby localizing cancerous tumor. The detector employs a hand manipular probe within which is contained a crystal such as cadmium telluride which is secured in a light-tight environment. A noise immune structuring of the probe and crystal combination includes the utilization of a resilient compressible shock cushion layer located at one face of the crystal in conjunction with a biasing surface. Additionally, an elastomeric retainer is positioned over the assemblage of crystal, cup, and shock cushion layer to form a sub-assembly for retention within the device. A dead air space is developed between the forward facing window of the probe and the crystal remaining assemblage.

REFERENCES:
patent: 3669095 (1972-06-01), Kobayashi et al.
patent: 4782840 (1988-11-01), Martin, Jr. et al.
patent: 4801803 (1989-01-01), Denen et al.

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