Surgery – Truss – Pad
Patent
1991-04-01
1993-12-21
Green, Randall L.
Surgery
Truss
Pad
128736, 604 53, 604 93, 604280, A61B 502, A61B 500, A61M 3100, A61M 2500
Patent
active
052714101
ABSTRACT:
A catheter for measuring the temperature of a fluid in a living body comprising an elongated tube having at least one lumen extending longitudinally within the tube and an opening in a peripheral wall of the tube. A thermistor mounting body mounts a thermistor in the lumen adjacent the opening. The thermistor mounting body defines a cavity at the opening which opens radially outwardly, and the thermistor is partially within the mounting body and projects from the mounting body into the cavity. There is at least one conductor in the tube with at least a region of the conductor being in the lumen and extending along the lumen to the thermistor. The region of the conductor is electrically coupled to the thermistor. The region of the conductor extends longitudinally of the lumen from a location in the lumen proximally of the thermistor to a location at which the conductor is electrically coupled to the thermistor. The mounting body may include a matrix of electrical insulating material and a filler carried by the matrix, with the filler being more thermally conductive than the electrical insulating material. In addition, by providing a multi-lumen catheter, certain of the lumens can be used to thermally insulate the thermistor from any lumen adapted to carry fluid past the location of the thermistor in the catheter.
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Soong-Wu Su S.
Wolzinger Renah
Baxter International Inc.
Canter Bruce M.
Condino Debra D.
Green Randall L.
Peterson Gordon L.
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