1
Paul R Prince, Ronald L Clark: Blood extraction and reinfusion flow control system and method. Hemascience Laboratories, Bogucki Scherlacher Mok & Roth, April 14, 1987: US04657529 (148 worldwide citation)

A blood extraction and reinfusion flow control system includes a blood pump coupled to pump intravenous fluid to or from a subject, a pressure sensor coupled to sense extra veinous pressure at the subject, and a microprocessor based flow control subsystem. The flow control subsystem optimizes the fl ...


2
Paul R Prince: Blood extraction and reinfusion flow control system and method. Baxter International, Bruce M Canter, June M Bostich, Robert D Buyan, January 12, 1993: US05178603 (119 worldwide citation)

A method and system for adaptively controlled withdrawal/infusion of a fluid, such as blood, to or from a fluid source, such as a blood vessel. An adaptive flow rate limit is established and periodically adjusted during the course of withdrawal/infusion so as to maximize and optimize the withdrawal/ ...


3
Paul R Prince: Method and apparatus for calibrating plural pump fluid flow system. Baxter International, Paul C Flattery, Larry S Nixon, Bradford R L Price, September 6, 1988: US04769001 (96 worldwide citation)

A blood constituent processing system uses a disposable plastic fluid flow path into which an anticoagulant must be accurately metered with respect to pumped blood flow. In a preliminary calibration phase, a closed fluid flow path is provided between the anticoagulant pump and the blood pump. One of ...


4
Paul R Prince, William Miller, Grant S Benjamin: Apheresis method and device. Baxter International, Robert D Buyan, May 12, 1992: US05112298 (88 worldwide citation)

A simplified fluid separation method and device usable for various apheresis procedures, including plasmapheresis. At least one pump is utilized to draw a first fluid (e.g. whole blood) into a separation device. The separation device then operates to separate the fluid (e.g. whole blood) into first ...


5
Michael G Ford, Paul R Prince: Multiple fluid source isolation, metering and alarm system and method. Baxter International, Bruce M Canter, June M Bostich, April 6, 1993: US05200090 (52 worldwide citation)

A system is provided for weighing and monitoring flow from multiple fluid sources into a flow system wherein incoming fluid is received in a weighing bag attached to a control system for monitoring the amount of fluid passed through the weighing bag and for preventing admission of air into the flow ...


6
Paul R Prince, William D Callaway: Adaptive filter flow control system and method. Baxter International, June M Bostich, Bruce M Canter, December 3, 1991: US05069792 (48 worldwide citation)

An adaptive filter concentrate flow control system and method includes a filter system, a pumping system driving feed fluid, concentrate and filtrate flowing through the filter system and a flow control system controlling the pumping system to maintain optimum filtrate flow rates or minimum feed flo ...


7
Paul R Prince, Robin Huff: Blood extraction flow control calibration system and method. Baxter International, Bruce M Canter, July 16, 1996: US05536237 (40 worldwide citation)

A method and system for calibrating and controlling the withdrawal of a fluid, such as blood, from a fluid source, such as a blood vessel, includes a fluid pump, a pressure sensor, a flow rate sensor, and a microprocessor based flow control subsystem. The flow control subsystem optimizes the flow ra ...


8
Donald W Schoendorfer, Paul R Prince: Single needle continuous hemapheresis apparatus and methods. Baxter Internatonal, Paul C Flattery, Daniel D Ryan, Bradford R L Price, February 23, 1993: US05188588 (34 worldwide citation)

Blood separation is accomplished by alternately extracting blood from and reinfusing blood into a donor by way of a single needle while simultaneously and continuously separating the extracted blood into constituents. A harness set applicable to a hemapheresis instrument includes a dual-compartment ...


9
Paul R Prince: Adaptive filtrate flow control system using controlled reduction in filter efficiency. Baxter International, Bradford R L Price, June M Bostich, February 19, 1991: US04994188 (34 worldwide citation)

The efficiency of a blood plasmapheresis filter is purposefully reduced at low input blood flow rates so as to prevent possibly excessive hematocrit which may make it difficult or impossible to handle the resulting blood cell concentrate (e.g., for infusion purposes) and/or which may cause accompany ...


10
Paul R Prince, Bernard J Skehan, Jay M Hansen: Automatic light control system. Hughes Aircraft Company, Walter J Adam, William H MacAllister, September 20, 1977: US04050085 (32 worldwide citation)

A system to automatically regulate input light and television camera tube gain to maximize scene viewing continuity while protecting against overloads. An electro-optical input assembly, an image intensifier, SEC vidicon and video pre-amplifier produce required video signals. The signals are fed alo ...