1
Ronald S Conero, Stephen H O Leary: Syringe plunger driver. IVAC Corporation, Fulwinder Patton Lee and Utecht, August 13, 1996: US05545140 (145 worldwide citation)

A plunger driver system which engages a plurality of different sizes of syringes. A pushing surface includes a detector to determine syringe plunger presence. In the event that the plunger is not present and the pump is operating, a processor provides an alarm and may stop the pump motor. Arms retai ...


2
Joel N Cunningham, Richard M Bucchianeri, Stephen H O Leary: Pressure diaphragm. Ivac Corporation, Fulwider Patton Rieber Lee & Utecht, August 16, 1983: US04398542 (108 worldwide citation)

A pressure diaphragm, wherein at least a portion of an elongate fluid channel is formed diametrically across, and is open through, a flat raised surface of a substantially rigid, disk-like body, and wherein a flexible membrane overlies the raised surface and is sealed to a surrounding flange. The fl ...


3
Stephen H O Leary: Parenteral syringe pump drive system with installation indicator means. IVAC Corporation, Fulwider Patton, March 28, 1978: US04080967 (84 worldwide citation)

Apparatus for fluid flow control in a parenteral administration system, utilizing a syringe pump operated by a motor to repetitively fill and empty a disposable syringe cartridge over a plurality of operational cycles of successive fill and pump stroke periods. The syringe cartridge has no valves, a ...


4
Stephen H O Leary: Syringe pump drive system and disposable syringe cartridge. Ivac Corporation, Fulwider Patton Rieber Lee & Utecht, November 23, 1976: US03993061 (58 worldwide citation)

A parenteral administration system, utilizing a syringe pump operated by a motor to repetitively fill and empty a disposable syringe cartridge over a plurality of operational cycles of successive fill and pump stroke periods. The syringe cartridge has no valves, and the apparatus repetitively and se ...


5
Stephen H O Leary: Syringe pump drive system and disposable syringe cartridge. IVAC Corporation, Fulwider Patton Rieber Lee & Utecht, January 10, 1978: US04067332 (35 worldwide citation)

A motor driven syringe pump utilizing a disposable syringe cartridge. The syringe cartridge has no valves, and the apparatus repetitively and sequentially opens and closes, by means of an external pair of tube pinchers, a pair of intake and output I.V. tubes communicating with the inlet and outlet n ...


6
Stephen H O Leary: IV fluid delivery system. IVAC Corporation, Fulwider Patton Lee & Utecht, August 27, 1996: US05549460 (29 worldwide citation)

An IV fluid delivery system for use with a resilient, deformable tube, wherein a mechanism is provided to restore the cross-sectional shape of the tube after it has been deformed by a plurality of pinchers, so as to improve the accuracy, consistency, reliability and predictability of flow through th ...


7
Stephen H O Leary: IV fluid delivery system. Fulwider Patton Lee & Utecht, April 30, 1996: US05511951 (28 worldwide citation)

An IV fluid delivery system for use with a resilient, deformable tube, wherein a mechanism is provided to deform and occlude said tube by a plurality of fingers, as well as, to restore the cross-sectional area of said tube by those fingers, so as to improve the accuracy, consistency, and predictabil ...


8
Stephen H O Leary: IV fluid delivery system. Ivac Corporation, Fulwider Patton Lee & Utecht, May 7, 1996: US05513957 (28 worldwide citation)

An IV pump for delivering fluid through a resilient, deformable tube to improve the accuracy, consistency, and predictability of flow through the tube, wherein a plurality of pinching fingers occlude the tube against a flat portion of a pressure pad, and a plurality of pumping fingers interspaced be ...


9
Stephen H O Leary: IV fluid delivery system. Alaris Medical Systems, Fulwider Patton Lee & Utecht, April 21, 1998: US05741121 (14 worldwide citation)

An IV fluid delivery system for use with a resilient, deformable tube, wherein a mechanism is provided to deform and occlude said tube by a plurality of fingers, as well as, to restore the cross-sectional area of said tube by those fingers, so as to improve the accuracy, consistency, and predictabil ...


10
Stephen H O Leary: IV fluid delivery system. IVAC Corporation, Fulwider Patton Lee & Utecht, March 19, 1996: US05499906 (9 worldwide citation)

An IV fluid delivery system for use in connection with a resilient, deformable tube, wherein pinching fingers occlude the tube and pumping fingers deform the tube (without occluding it) against a first pressure pad or support means in a pumping action, while restoring fingers urge the tube against a ...