1
Mark E Williamson, Jerry W Newbrough, Jeffrey P Castleberry, Steve W Stracener: Ambulatory infusion pump. Baxter International, Mark Buonaiuto, Paul C Flattery, Jay Nichols, January 9, 1996: US05482446 (237 worldwide citation)

A medical infusion pump (10) using a pump chamber cassette (86) has a housing (20,22) defining a pump chamber cassette receptacle (84) and a pump driving mechanism (250) for propelling liquid through the pump chamber cassette. A door (50) holds the pump chamber cassette (86) within the cassette rece ...


2
Mark E Williamson, Jerry W Newbrough, Robert L Anderson, Jeffrey P Castleberry, Warren P Heim, Steve W Stracener: Pump chamber and valve assembly. Baxter International, Francis C Kowalik, Mark Buonaiuto, Paul Flattery, September 3, 1996: US05551850 (183 worldwide citation)

A medical infusion pump (10) using a pump chamber cassette (86) has a housing (20,22) defining a pump chamber cassette receptacle (84) and a pump driving mechanism (250) for propelling liquid through the pump chamber cassette. A door (50) holds the pump chamber cassette (86) within the cassette rece ...


3
Mark E Williamson, Scott Ariagno: Fluid flow rate switching device. Baxter International, Jeffrey C Nichols, Mark J Buonaiuto, Francis C Kowalik, August 14, 2001: US06273133 (20 worldwide citation)

A fluid flow rate switching device providing a plurality of precise user selectable flow rates. Generally, the device includes a housing having a port and a plurality of passages. Respectively disposed in each of the passages is a rigid capillary tube for regulating the flow rate of a therapeutic fl ...


4
Mark E Williamson, Scott R Ariagno, Alan W Marttila, Arnold C Bilstad, Paul M DiPerna, Michael R Prisco, David W Pennington, Atif M Yardimci, Sidney T Smith, Mark C Perry, Marc Bellotti: Vacuum demand valve. Baxter International, Paul J Nykaza, Wallenstein Wagner & Rockey, March 30, 2004: US06712095 (12 worldwide citation)

A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. ...


5
Hal C Danby, Mark E Williamson: Vacuum demand flow valve. Baxter International, Francis C Kowalik, Paul J Nykaza, April 29, 2003: US06554023 (9 worldwide citation)

A valve is disclosed for dispensing a flowable material. The valve has a first chamber (


6

7
Mark E Williamson, Scott R Ariagno, Alan W Marttila, Atif M Yardimci, Sidney T Smith: Vacuum demand valve. Baxter International, Paul J Nykaza, Wallenstein Wagner & Rockey, February 3, 2004: US06684903 (4 worldwide citation)

A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. ...


8
Hal C Danby, Mark E Williamson, Julian F R Swan: Vacuum demand flow valve. Baxter International, Bradford R L Price, Paul J Nykaza, March 8, 2005: US06863083 (3 worldwide citation)

A valve is disclosed for dispensing a flowable material. The valve has a first chamber (40) at a first pressure wherein said first chamber (40) defines an outlet (28) in communication with said first chamber (40). A second chamber (42) is at a second pressure. The valve has a stop (18) indexed again ...


9
Seik Oh, James B Winje, Mark E Williamson: Multirate tubing flow restrictor. Baxter International, Baxter Healthcare, K&L Gates, April 6, 2010: US07690396 (3 worldwide citation)

A flow control valve for medical liquid is disclosed. The valve has a housing including an inlet, an outlet, and a flow path therebetween. A plurality of flow restrictors are located in the flow path to define a plurality of flow streams of differing flow rates. A flow control member is disposed in ...


10
Seik Oh, James B Winje, Mark E Williamson: Multirate tubing flow control valve. Baxter International, Baxter Healthcare, K&L Gates, September 28, 2010: US07802589 (2 worldwide citation)

A flow control valve includes a stem extending into an interior bore defined by a wall of a flow control member of the valve, the stem and the wall defining therebetween a cylindrical space allowing fluid communication between apertures formed in differing planes of the flow control member.



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