1
Michael Platt, Ralph LaBedz, Patrick Hovis, Ronald P Spang: Occlusion detection method and system for ambulatory drug infusion pump. Baxter International, Paul J Nykaza, Wallenstein & Wagner, November 18, 2003: US06648861 (68 worldwide citation)

A method of detecting an occlusion within a flexible infusion tube by measuring samples indicative of pressures relative to instances in time. Difference values for the samples are created. The difference values are compared to percentages of other difference values. When appropriate, an occlusion s ...


2
Michael Platt, Ralph LaBedz, Patrick Hovis, Ronald P Spang: Occlusion detection method and system for ambulatory drug infusion pump. Baxter International, Wallenstein & Wagner, June 3, 2003: US06572604 (59 worldwide citation)

A method of detecting an occlusion within a flexible infusion tube by measuring samples indicative of pressures relative to instances in time. Difference values for the samples are created. The difference values are compared to percentages of other difference values. When appropriate, an occlusion s ...


3
Michael Platt, Ralph LaBedz, Patrick Hovis: Air in-line sensor for ambulatory drug infusion pump. Baxter International, Paul J Nykaza, Wallenstein & Wagner, December 3, 2002: US06489896 (50 worldwide citation)

An air in-line sensor for detecting air bubbles in a therapeutic solution flowing through a tube utilizes a unitary type sensor having a channel for receiving the tube. The channel has a tube loading section. A signal emitting member is positioned on one side of the tube and a signal receiving membe ...


4
Zhengyan Wang, Surya Pratap Rai, Ronald H Spang Jr, Peter Bojan, David G Zabel, Joseph Allen Carmichael, Ralph LaBedz: Shuttle pump with controlled geometry. Baxter International, Baxter Healthcare, K&L Gates, February 26, 2013: US08382447 (8 worldwide citation)

An infusion pump uses an improved shuttle mechanism to more reliably pump liquids in low volumes for medical and other purposes. The improved shuttle uses linear translation and wider, symmetric jaws to grasp infusate tubing and pump liquid infusate through the tubing. Adjustment of the linear motio ...


5
Michael Platt, Ralph LaBedz, Patrick Hovis, Ronald H Spang: Occlusion detection method and system for ambulatory drug infusion pump. Francis C Kowalik Esq, Corporate Counsel Law Department, April 10, 2003: US20030069559-A1

A method of detecting an occlusion within a flexible infusion tube by measuring samples indicative of pressures relative to instances in time. Difference values for the samples are created. The difference values are compared to percentages of other difference values. When appropriate, an occlusion s ...


6
Michael Platt, Ralph LaBedz, Patrick Hovis: Air in-line sensor for ambulatory drug infusion pump. Wallenstein & Wagner, January 2, 2003: US20030004458-A1

An air in-line sensor 10 for detecting air bubbles in a therapeutic solution flowing through a tube 12 utilizes a unitary type sensor having a channel 16 for receiving the tube 12. The channel 16 has a tube loading section 18. A signal emitting member 20 is positioned on one side of the tube 12 and ...


7
Zhengyan Wang, Surya Pratap Rai, Ronald H Spang JR, Peter Bojan, David G Zabel, Joseph Allen Carmichael, Ralph LaBedz: Shuttle pump with controlled geometry. Baxter International, Baxter Healthcare, June 30, 2011: US20110158823-A1

An infusion pump uses an improved shuttle mechanism to more reliably pump liquids in low volumes for medical and other purposes. The improved shuttle uses linear translation and wider, symmetric jaws to grasp infusate tubing and pump liquid infusate through the tubing. Adjustment of the linear motio ...


8