Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Reexamination Certificate
2005-03-22
2005-03-22
Rodriguez, Cris L. (Department: 3763)
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
C073S861050, C073S861060, C073S204230
Reexamination Certificate
active
06869425
ABSTRACT:
A peristaltic pump is provided with a housing, a pump head in the housing, and a receiving path defined along a housing and pump head for receiving tubing. Two spaced-apart temperature sensors are provided. One temperature sensor is located adjacent the tubing in a heat conduction path along which heat flows between the sensor and the tubing. The other sensor is located outside of the heat conduction path for sensing ambient temperature. The pump operating speed is adjusted as a function of the sensed temperatures. This accommodates the temperature-dependent rate of recovery of the tubing from its peristaltically deformed configuration to its original configuration.
REFERENCES:
patent: 4938079 (1990-07-01), Goldberg
patent: 5018945 (1991-05-01), D'Silva
patent: 3827444 (1990-02-01), None
patent: 0370162 (1990-05-01), None
Brochure entitled “IMED,” published by IMED Corporation, Copyright date 1989.
Photograph labeled “IMED-1”.
Brochure entitled “Flo-Gard 6401,” published by Baxter Healthcare Corporation, Copyright date 1992.
Photograph labeled “Baxter-1”.
Sheet entitled “Breeze™ 175 Volumetric Pump Graphic 2B: Pumping Chamber” illustrating the tubing-receiving region of a LifeCare® 175 Breeze Volumetric Infusion System sold in the U.S.A. by Abbott Laboratories.
Sheet entitled “ASM, Mechanism LC175 (cc) 840-07007, Rev. T” illustrating the tubing-receiving region of a LifeCare® 175 Breeze Volumetric Infusion System sold in the U.S.A. by Abbott Laboratories.
Briggs Kenneth D.
Pryce Dean C.
Sampson Russel M.
Crabb Michael R.
Hospira, Inc.
Rodriguez Cris L.
Vrioni Beth A.
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