1
Dean Kamen, Geoffrey P Spencer, Douglas E Vincent: Peritoneal dialysis systems employing a liquid distribution and pumping cassette that emulates gravity flow. Deka Products Partnership, Charles R Mattenson, Thomas S Borecki, Daniel D Ryan, September 27, 1994: US05350357 (361 worldwide citation)

Peritoneal dialysis systems apply fluid pressure to move liquid. The systems can emulate either a fixed head height condition or different head height conditions, independent of the actual head height differential between the patient's peritoneal cavity and the external liquid source or destination. ...


2
Robert J Bryant, Clement D Bouchard, Dean Kamen, Richard Lanigan, Bradley D Miller, Geoffrey P Spencer, Douglas E Vincent: Liquid pumping mechanisms for peritoneal dialysis systems employing fluid pressure. Deka Products Partnership, Thomas S Borecki, Charles R Mattenson, Daniel D Ryan, July 11, 1995: US05431626 (256 worldwide citation)

Pumping mechanisms for performing peritoneal dialysis and the like employ a pumping mechanism comprising a diaphragm that operate in response to applied fluid pressure. Flexible tubing is attached to the pumping mechanism for carrying liquid to and from the patient's peritoneal cavity. An actuating ...


3
Robert J Bryant, Jeffrey Finkelstein, Dean Kamen, Richard Lanigan, Bradley D Miller, Geoffrey P Spencer: User interface and monitoring functions for automated peritoneal dialysis systems. Deka Products Partnership, Thomas S Borecki, Charles R Mattenson, Daniel D Ryan, August 1, 1995: US05438510 (252 worldwide citation)

Systems for performing peritoneal dialysis having an improved user interface functions and monitoring capabilities. In one respect, the systems discriminate between alarm conditions that require user intervention to correct and alarm conditions that reflect conditions that are anomalies but typicall ...


4
Dean Kamen, Geoffrey P Spencer: Peritoneal dialysis methods that emulate gravity flow. Deka Products Partnership, Charles R Mattenson, Thomas S Borecki, Daniel D Ryan, June 6, 1995: US05421823 (245 worldwide citation)

Peritoneal dialysis systems and methods apply fluid pressure to move liquid. The systems and methods can emulate either a fixed head height condition or different head height conditions, independent of the actual head height differential between the patient's peritoneal cavity and the external liqui ...


5
Robert J Bryant, Clement D Bouchard, Dean Kamen, Richard Lanigan, Bradley D Miller, Geoffrey P Spencer, Douglas E Vincent: Liquid pumping mechanisms for peritoneal dialysis systems employing fluid pressure. Deka Products Partnership, Thomas S Borecki, Charles R Mattenson, Richard P Beem, June 3, 1997: US05634896 (239 worldwide citation)

Pumping mechanisms for performing peritoneal dialysis and the like employ a pumping mechanism comprising a diaphragm that operate in response to applied fluid pressure. Flexible tubing is attached to the pumping mechanism for carrying liquid to and from the patient's peritoneal cavity. An actuating ...


6
Jacob W Scarpaci, Robert J Bryant Jr, Geoffrey P Spencer, David J Hibbard, James D Dale, John M Kerwin, Andrew S Coll, David A Beavers, David W McGill, Simon C Helmore: Medical treatment system and methods using a plurality of fluid lines. DEKA Products Partnership, Wolf Greenfield & Sacks P C, July 14, 2015: US09078971 (11 worldwide citation)

A medical treatment system, such as peritoneal dialysis system, may include control and other features to enhance patient comfort and ease of use. For example, a peritoneal dialysis system may include a control system that can adjust the volume of fluid infused into the peritoneal cavity to prevent ...


7
Larry B Gray, Robert J Bryant Jr, Geoffrey P Spencer: System, method, and apparatus for utilizing a pumping cassette. DEKA Products Partnership, Wolf Greenfield & Sacks P C, May 26, 2015: US09039395 (7 worldwide citation)

The present invention involves, in some embodiments, systems and methods involving fluid handling apparatus for pumping fluid to and from a patient, which may include a reusable component and a disposable pumping cartridge. The reusable component may comprise a control chamber and a pressure transdu ...


8
Jacob W Scarpaci, Robert J Bryant Jr, Geoffrey P Spencer, David J Hibbard, James D Dale, John M Kerwin, Andrew S Coll, David A Beavers, David W McGill, Simon C Helmore: Medical treatment system and methods using a plurality of fluid lines. DEKA Products Partnership, Wolf Greenfield & Sacks P C, January 9, 2018: US09861732 (5 worldwide citation)

A medical treatment system, such as peritoneal dialysis system, may include control and other features to enhance patient comfort and ease of use. A fluid trap of a peritoneal dialysis cycler may have a valved connection to a vacuum source or a positive pressure source. The fluid trap can be connect ...


9
Geoffrey P Spencer, Robert J Bryant: Multi-language / multi-processor infusion pump assembly. DEKA Products Partnership, McCormick Paulding & Huber, September 18, 2012: US08267892 (4 worldwide citation)

An infusion pump assembly includes a reservoir assembly configured to contain an infusible fluid. A motor assembly is configured to act upon the reservoir assembly and dispense at least a portion of the infusible fluid contained within the reservoir assembly. Processing logic is configured to contro ...


10
Larry B Gray, Robert J Bryant Jr, Geoffrey P Spencer: System, method, and apparatus for utilizing a pumping cassette. DEKA Products Partnership, Wolf Greenfield & Sacks P C, November 8, 2016: US09488167 (3 worldwide citation)

The present invention involves, in some embodiments, systems and methods for performing an integrity test on a medical grade cassette that is configured to be used on a medical fluid handling system, wherein the cassette may be disposable and may comprise a membrane therein. The test may be configur ...