1
Diane A Gargano, Eric J Flachbart, Barry Cowen, Monica Duh, John L Rudser Jr, Ken Zhen, Lynn Noble, Julian Warhurst, Luis Pedraza: Infusion pump for at least one syringe. Harvard Clinical Technology, Weingarten Schurgin Gagnebin & Hayes, September 29, 1998: US05814015 (286 worldwide citation)

A processor driven syringe pump for one or more, typically two syringes, which are held vertically in corresponding pumping stations of a housing unit which itself is typically suspended from an IV pole. The pump features a central display having portions corresponding to each of the syringes operat ...


2
George G Siposs, Jerry B Christian: Variable rate syringe pump for insulin delivery. Delta Medical, Allen A Dicke Jr, March 6, 1984: US04435173 (266 worldwide citation)

Variable rate pump for insulin delivery has as its pumping unit a syringe. A motor is connected to advance the syringe and electric signal pulses are produced during syringe advance. A control system permits selection of the interval between command pulses to maintain the desired base insulin delive ...


3
George G Sanderson, Mario Massaglia, Mitchell J Palmer: Syringe pump and the like for delivering medication. Becton Dickinson and Company, Aaron Passman, Michael G Schwarz, January 5, 1993: US05176502 (257 worldwide citation)

A syringe pump comprises a housing with a syringe retainer. The syringe includes a barrel for liquid medication and a plunger movably positioned in the barrel for expelling the medication. A driver is movably mounted on the housing for engagement with the plunger. A control mechanism within the hous ...


4
Paul J Mulhauser, Diego Y Fontayne, Donald F VanRoyen: Disposable micropump. Ferring Pharmaceuticals, Pennie & Edmonds, July 6, 1999: US05919167 (226 worldwide citation)

An apparatus for delivery of a fluid is disclosed. The apparatus includes a syringe pump with a plunger, an electronic control element which releases at least one electric charge at predetermined time intervals, a shape memory element with a contractible length decreasing from an uncharged length to ...


5
Jean Claude Rondelet, Jean Michel Dupouy: Syringe pump with graphical display or error conditions. Becton Dickinson and Company, Michael G Schwarz, October 19, 1993: US05254096 (215 worldwide citation)

A syringe pump is disclosed, having a housing, a motor driven pusher for pushing the plunger of a syringe and various transducers to determine error conditions in the placement of the syringe in the syringe pump, the pushing force of the pusher on the syringe and the engagement of the pusher drive m ...


6
Robert F Wilson, Jiyan Liu: Angiographic system with automatic high/low pressure switching. Invasatec, Merchant Gould Smith Edell Welter & Schmidt P A, September 1, 1998: US05800397 (209 worldwide citation)

An angiographic injector system includes a manifold and valve which selectively connects either a syringe pump or a low pressure system to a catheter which is inserted into a patient. The valve is normally biased to a state which connects the low pressure system to the catheter for pressure monitori ...


7
Doug Duchon, Thomas Paulson, Robert F Wilson, Jiyan Liu: Angiographic injector system with automatic high/low pressure switching. Acist Medical Systems, Oppenheimer Wolff & Donnelly, April 24, 2001: US06221045 (196 worldwide citation)

An angiographic injector system includes a manifold and valve which selectively connects either a syringe pump or a low pressure system to a catheter which is inserted into a patient. The valve is normally biased to a state which connects the low pressure system to the catheter for pressure monitori ...


8
John Martyn Gray: Syringes and syringe pumps. Zeneca, Cushman Darby & Cushman Intellectual Property Group of Pillsbury Madison & Sutro, March 16, 1999: US05882338 (179 worldwide citation)

A medical syringe comprises a cylindrical barrel 1 having therein a plunger 4 which can be axially driven by a plunger rod 3. The plunger rod 3 passes through an aperture in the centre of a finger grip 2 having two finger grip projections 2b at opposite sides thereof. A data carrier means in the for ...


9
Jean Claude Rondelet, Jean Michael Dupouy: Syringe pump having continuous pressure monitoring and display. Becton Dickinson and Company, Michael G Schwarz, March 22, 1994: US05295967 (157 worldwide citation)

A syringe pump is disclosed having a transducer for detecting the force on the syringe pusher. The detected force is translated into a pressure which is continuously displayed so that the user can anticipate the occurrence of an occlusion. The syringe pump also has a device for pre-selecting a range ...


10
Wilhelmson Jack L, Weichselbaum Theodore E, Braun Vernon F: Infusion system. Sherwood Medical, May 8, 1973: US3731679 (156 worldwide citation)

A portable infusion system uses a disposable piston type syringe as a positive displacement pump. The syringe piston is reciprocally driven by a bidirectional DC motor under control of a battery powered circuit. Different selectable rates of pumping are maintained by controlling the width of bidirec ...