Detector and localizer for low energy radiation emissions
Patent 4893013 Issued on January 9, 1990. Estimated Expiration Date: 
September 23, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 23, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3669095 Method for locating, differentiating, and removing neoplasms Detector and localizer for low energy radiation emissions Patent #: 4801803 InventorsAssigneeApplicationNo. 248920 filed on 09/23/1988US Classes:250/336.1, INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING250/370.01, Semiconductor system600/436Nuclear radiation (e.g., radioactive emission, etc.)ExaminersPrimary: Hannaher, ConstantineAttorney, Agent or FirmForeign Patent References
International ClassG01T 001/161AbstractA 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. | |
