Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1996-02-12
1998-09-22
Glick, Edward J.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
250369, 128659, G01T 1161, G01T 1202, A61B 600
Patent
active
058118144
ABSTRACT:
An apparatus for measuring radiation at a region of interest inside a body is disclosed. The apparatus comprises a fiber optic equipped-catheter having a distal portion adapted to be inserted in a blood vessel. The apparatus further includes a luminescent scintillation material coupled to the fiber optic light pipe. The scintillation material is disposed in a distal portion of a lumen of the catheter and generates pulses of electromagnetic radiation in response to excitation by radiation rays. The apparatus further includes an index matching material disposed between the scintillation crystal and the fiber optic light pipe facilitating transmission of the pulses of electromagnetic radiation produced by the scintillation material to the fiber optic light pipe. A measuring assembly is coupled to the fiber optic light pipe to convert the pulses of radiation traversing the fiber optic light pipe to a measure of radiation in the region of interest. A method of measuring radiation using the radiation measuring apparatus of the present invention is also disclosed. The steps of the method comprise: providing a catheter having a fiber optic light pipe coupled to a scintillation material supported by a distal portion of the catheter; inserting the distal portion of the catheter through an opening in the body; maneuvering the catheter to position the distal portion of the catheter within the region of interest; and converting the pulses of electromagnetic radiation transmitted along the fiber optic light pipe into a measure of radiation.
REFERENCES:
patent: 3427454 (1969-02-01), Webb
patent: 4015592 (1977-04-01), Bradley-Moore
patent: 4595014 (1986-06-01), Barrett et al.
patent: 5012809 (1991-05-01), Shulze
patent: 5023123 (1991-06-01), Katz et al.
patent: 5166073 (1992-11-01), Lefkowitz et al.
patent: 5229613 (1993-07-01), Pandelisev et al.
patent: 5263963 (1993-11-01), Garrison et al.
patent: 5306261 (1994-04-01), Alliger et al.
patent: 5325855 (1994-07-01), Daghighian et al.
patent: 5326531 (1994-07-01), Hahn et al.
patent: 5331961 (1994-07-01), Inaba et al.
patent: 5424546 (1995-06-01), Okada et al.
One page setting forth two graphs entitled "Absorbtion Efficiency of NaI(tl)" and Gamma and X-ray Transmission through Bicron Detector Windows compiled from NBS Circular 583 and supplement to NBS Circular 583, publication date of NBS Circular 583--1956, publication date of NBS Circular supplement--unknown.
One page setting forth a table entitled "Table of Physical Constants of Scintillators", undated.
One page specification sheet for Toray Plastic Optical Fiber, undated.
Three page brochure entitled "Hamamatsu Technical Data--Metal Package Photomultiplier Tube R5600 U Series," publication date--Jan. 1994.
Three pages from textbook entitled "Introductory to Nuclear Physics", pp. 194-197 and 208-209, publication date--unknown.
Two page specification sheet for Tennelec/Nucleus PCA-P Spectroscopy System, undated.
Leone James E.
Rowland Stephen M.
Cordis Corporation
Glick Edward J.
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