1
Scato Albarda, Werner Thoren, Stefan Kahning, Peter Vehrens: Valve arrangement of microstructured components. Dragerwerk Aktiengesellschaft, McGlew & Tuttle, July 9, 1991: US05029805 (342 worldwide citation)

A valve arrangement from microstructured components worked out of a basic body, for the control of fluids, include an actuation element which is movable relative to a flow path distributor and opens or closes fluid paths depending on its position. A transition from one position into the other is eff ...


2
Donald L Harris: Implantable microinfusion pump system. Cordis Corporation, Henry W Collins, Eugene M Cummings, December 11, 1984: US04487603 (338 worldwide citation)

An implantable microinfusion pump system for dispensing medication at a prescribed infusion rate within the human body includes a hermetically sealed housing in which a power source and circuitry for actuating the pump are contained. A permanently magnetized piston is mounted for reciprocative fill ...


3
Robert J Johnson: Passive inspiratory nebulizer system. Ethex International, Gordon L Peterson, Donald E Stout, November 5, 1996: US05570682 (246 worldwide citation)

A hand-held nebulizer system is provided which nebulizes during the patient's inspiration cycle only. The system includes a universal sensor port adapter which is adapted to fluidly connect an airway device with a sensor port of the system's source of pressurized gas in such a manner as to permit th ...


4
Wolfgang Simon, Gunther Pototzky, Rolf Groos, Gunter Schmidt: Peritoneal dialysis device. Fresenius, Marshall O Toole Gerstein Murray & Borun, August 6, 1996: US05542919 (170 worldwide citation)

Peritoneal dialysis device (10) with a balancing chamber (28), which is divided into two balancing chamber halves (32 and 34) by a membrane (30), with an introduction line arrangement (16, 20, 22, 24), a discharge arrangement (22, 24, 20, 62), a catheter line arrangement (36, 38, 42), a valve arrang ...


5
Robert W Childers, Richard Avoy, John Booras, Joseph H Bowman Jr, Paul Grippo, Andrew D Hopping, David Howard, Jeffrey W Jerrell, Benjamin Kellam, Brian Lauman, Sherwin Shang, David Vescovi, Tahua Yang, Alex Yu: Systems, methods and apparatuses for pumping cassette-based therapies. Baxter International, Baxter Healthcare, Joseph P Reagen, Bell Boyd & Lloyd, July 3, 2007: US07238164 (160 worldwide citation)

The present invention provides systems, methods and apparatuses for medical fluid delivery systems that employ a pumping cassette. In particular, the present invention provides systems, methods and apparatuses for cassette-based dialysis therapies including hemodialysis, hemofiltration, APD (includi ...


6
Ray M Hauser, Alan W Johnson: Hydrostatic transmission. Hydro Gear Partnership, Robert E Browne, Thomas C McDonough, May 24, 1994: US05314387 (146 worldwide citation)

An improved hydrostatic transmission which is compact, reliable and economical to manufacture, including a novel means for reducing the speed of the input to the transaxle using both hydraulics and mechanical gearing; an improved differential which is stronger and less complicated than prior art des ...


7
Robert W Goddard: Cryosurgical apparatus. Spembly Medical, Stanley J Price Jr, July 6, 1993: US05224943 (137 worldwide citation)

A cryosurgical probe for freezing human or animal tissue in a surgical procedure utilising the Joule Thomson effect. The probe is provided with a valve arrangement which enables selective purging and freezing cycles to be employed in rapid succession, and remote from the Joule-Thomson nozzle. In thi ...


8
Rotta Nicholas R: Fluid pressure controlled means for producing peristaltic operation of series-connected inflatable chambers in therapeutic devices, pumps and the like. Bock James D, January 28, 1975: US3862629 (134 worldwide citation)

A device comprising a series of inflatable chambers connected in series by valve means operative to produce a continuous propagation of pressure pulses sequentially along the series of chambers by controlled inflation and deflation of the chambers. Embodiments are shown in therapeutic devices for lo ...


9
Hesse deceased Holger, Ruben Henning M: Valve arrangement, especially for use in anaesthetic gas supply systems. October 24, 1972: US3700000 (128 worldwide citation)

A blow-off valve which vents excess gas to the atmosphere when the pressure in a gas circulation system, such as an anaesthetic supply system, exceeds a certain value, as occurs when the patient breathes out, is improved by providing a system to close the valve when the pressure exceeds a still high ...


10
Jones Alan L, Judson George T, Kellogg Robert M, Kruger Victor R: Blood processing control apparatus. International Business Machines Corporation, June 5, 1973: US3737096 (128 worldwide citation)

Apparatus for processing blood, and particularly for washing blood cells, including a centrifuge head in which is arranged a flexible blood container connected by a rotating seal to tubing which permits the entrance and exit of wash liquid and supernatant. The flow of liquid in the tubing is control ...