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Thomas Irvin Folden, Martin Joseph Crnkovich, Colin Weaver, Michael Emmanuel Kotsos, Melvin D Jensen: Safety vent structure for extracorporeal circuit. Fresenius Medical Care Holdings, Fish & Richardson P C, May 10, 2011: US07938967 (2 worldwide citation)

A vent assembly is described for use in an extracorporeal fluid unit. A vent structure adjacent to a micro-porous membrane forms the assembly. The vent structure is porous, but expands when the vent structure becomes wet, thereby closing off the pores and inhibiting (e.g., preventing) fluid from flo ...


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Kulwinder S Plahey, Lynn Jensen, Melvin D Jensen, DeLoy Lindley, Joseph Michael Fallon: Medical fluid cassettes and related systems and methods. Fresenius Medical Care Holdings, Fish & Richardson P C, August 23, 2016: US09421314 (1 worldwide citation)

A medical fluid delivery cassette configured for use with a medical fluid pumping system and related systems and methods. The medical fluid delivery cassette includes a base and a membrane that together define a fluid pump chamber. The medical fluid delivery cassette further includes a member config ...


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Thomas Irvin Folden, Martin Joseph Crnkovich, Colin Weaver, Michael Emmanuel Kotsos, Melvin D Jensen: Safety vent structure for extracorporeal circuit. Fresenius Medical Care Holdings, Fish & Richardson P C, May 29, 2012: US08187466 (1 worldwide citation)

In general, this disclosure relates to extracorporeal fluid circuits. In some aspects, an air-release device for allowing air to be released from a liquid in extracorporeal circuitry includes an elongate chamber having a bottom region and a top region and a fluid entry port and fluid exit port at or ...


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Lynn E Jensen, Venugopal R Ghatikar, DeLoy Lindley, Melvin D Jensen: Systems and methods for delivery of peritoneal dialysis (PD) solutions with integrated inter-chamber diffuser. Fresenius Medical Care Holdings, Nutter McClennen & Fish, David J Powsner, Lewis J Lee, March 7, 2017: US09585810

The invention provides, in some aspects, a container system for medical solutions such as peritoneal dialysis (PD) solutions. The invention particularly features a system which includes a first compartment that contains a first medical solution, e.g., a PD osmotic agent, and a second compartment tha ...


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Kulwinder S Plahey, Lynn Jensen, Melvin D Jensen, DeLoy Lindley, Joseph Michael Fallon: Medical fluid cassettes and related systems and methods. Fresenius Medical Care Holdings, Fish & Richardson PC, January 20, 2011: US20110015610-A1

A medical fluid delivery cassette configured for use with a medical fluid pumping system and related systems and methods. The medical fluid delivery cassette includes a base and a membrane that together define a fluid pump chamber. The medical fluid delivery cassette further includes a member config ...


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Thomas Irvin Folden, Martin Joseph Crnkovich, Colin Weaver, Michael Emmanuel Kotsos, Melvin D Jensen: Safety vent structure for extracorporeal circuit. Fresenius Medical Care Holdings, September 1, 2011: US20110210054-A1

In general, this disclosure relates to extracorporeal fluid circuits. In some aspects, an air-release device for allowing air to be released from a liquid in extracorporeal circuitry includes an elongate chamber having a bottom region and a top region and a fluid entry port and fluid exit port at or ...