Detector and localizer for low energy radiation emissions

Surgery – Truss – Pad

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2503361, 25037001, 25037013, A61B 500, G01T 1161

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active

050708783

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 electrically conductive, compliant cushion layer located at one face of the crystal in conjunction with freely abutting biasing and ground contacts. A nylon, resilient retainer is positioned in tension over the assemblage of crystal, ground and biasing contacts and compliant layers to achieve a compressively retained assemblage. A dead air space is developed between the forward facing window of the probe and the crystal retaining assemblage.

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