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PROXIMITRY SURGICAL PROBE

Award Information
Agency: Department of Health and Human Services
Branch: National Institutes of Health
Contract: 1R43CA094625-01
Agency Tracking Number: CA094625
Amount: $134,949.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 2002
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
CONSTELLATION TECHNOLOGY CORP 7887 BRYAN DIARY RD, STE 100
LARGO, FL 33777
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 RAYMOND DEVITO
 (727) 547-0600
 DEVITO@CONTECH.COM
Business Contact
 DAVID OLTMAN
Phone: (727) 547-0600
Email: OLTMAND@CONTECH.COM
Research Institution
N/A
Abstract

DESCRIPTION (provided by applicant): An intraoperative surgical probe using a
mercuric iodide radiation detector is proposed. The probe will have the ability
to simultaneously measure the 140 keV gamma-ray emission and the 18 keV x-ray
emission from Tc-99m. Good energy resolution is necessary for the lower energy
x-rays to separate them from the potentially large scatter background.
Comparison of the measured strength of the x-ray and gamma ray transitions
provides a sensitive indicator of the depth in soft tissue of the radioactive
source. This adds to the capability of surgical probes by providing a third
dimension of position sensitivity. Current state-of-the art probes do not
provide accurate, if any source depth information. The surgeon can use this
depth information to more accurately locate margins and metastases. An
experimental evaluation of the detectors is proposed, leading to specification
of how to configure detectors for this application and verification that the
method is feasible.

* Information listed above is at the time of submission. *

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