1
Kettering Donald E, Jones Morris E: Auxiliary control for a blood pump. Vital Assists, Workman H Ross, May 13, 1975: US3882861 (97 worldwide citation)

An auxiliary control for a blood pump used in hemodialysis which acts upon an existing blood pump controller to continuously vary the pump rate in direct correspondence with changes in flow of a patient's blood reflected as variations in negative pressure in a blood line. The auxiliary control regul ...


2
Kopp Klaus F: Single needle dialysis. Vital Assists, September 4, 1973: US3756234 (59 worldwide citation)

Method and apparatus for extracorporeally dialyzing the blood of a patient with only a single venipuncture including withdrawing blood from the patient through the venipuncture and forcing the blood along an arterial path to a dialyzer. Blood emerging from the dialyzer is then conducted along a veno ...


3
Kettering Donald E: Blood chamber. Vital Assists, Workman H Ross, Young J Winslow, September 30, 1975: US3908653 (45 worldwide citation)

A blood chamber for an arterial line of an extracorporeal blood system. The chamber is a flow through device for blood with an air cushion over the blood and access structure for sampling and treating the blood. A pressure tap in the chamber communicates the air cushion with a pressure transducer to ...


4
Kopp Klaus F: Dialysis control system and method. Vital Assists, Workman H Ross, August 20, 1974: US3830234 (45 worldwide citation)

Method and apparatus for extracorporeally dialyzing the blood of a patient with only a single venipuncture including withdrawing blood from the patient through the venipuncture and forcing the blood along an arterial path to a dialyzer. Blood emerging from the dialyzer is then conducted along a veno ...


5
Radford David L: Membrane support system. Vital Assists, Workman H Ross, July 16, 1974: US3823827 (5 worldwide citation)

An extracorporeal hemodialyzing system formed of a plurality of stacked plates defining a convoluted path for a tubular membrane. Each plate has a removably attached flexible veneer including an improved wedge support system formed of wedgeshaped support elements which are easily machine-tooled and ...


6
Klaus F Kopp: Single needle dialysis. Vital Assists, Fitzpatrick Cella Harper & Scinto, August 9, 1977: USRE029346

Method and apparatus for extracorporeally dialyzing the blood of a patient with only a single venipuncture including withdrawing blood from the patient through the venipuncture and forcing the blood along an arterial path to a dialyzer. Blood emerging from the dialyzer is then conducted along a veno ...


7