Radiant energy – Invisible radiant energy responsive electric signalling
Patent
1990-12-18
1992-09-29
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
128654, 128659, 25037013, A61B 600
Patent
active
051515989
ABSTRACT:
A method for fabricating a hand manipular probe suited for use in immuno-guided surgery calling for the detection of very faint gamma emissions for the purpose of localizing cancerous tumor. The probe contains 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. With the method, dead air space is developed between the forward facing window of the probe and the crystal retaining assemblage.
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Hannaher Constantine
Neoprobe Corporation
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