1
Jal S Jassawalla: Medical infusion system. Andros Incorporated, Fitch Even Tabin Flannery & Welsh, June 16, 1981: US04273121 (173 worldwide citation)

A medical infusion system is described employing a pump for conducting fluid or semi-solids from an upstream portion to a downstream portion of the system. The pump includes upstream and downstream conduit means and a removable cassette communicating between the two. The cassette has a window therei ...


2
Jal S Jassawalla: Medical infusion system. Andros Incorporated, Fitch Even & Tabin, April 22, 1980: US04199307 (143 worldwide citation)

A medical infusion system is described employing a pump for conducting fluid or semi-solids from an upstream portion to a downstream portion of the system. The pump includes conduit means defining, in part, a removable cassette having a window therein and a diaphragm spanning the window. The cassett ...


3
Cefai Joseph John, Shapley Julian Llewellyn: Wax micro actuator with semiconductor heating element. Starbridge Systems, April 30, 2008: GB2443261-A (58 worldwide citation)

An actuator comprises a cavity 2 containing a working medium (wax) 3 that reversibly expands as it undergoes a phase change from a solid to a liquid state, a diaphragm 4 closing the cavity such that expansion and contraction of the wax causes the diaphragm to deflect. The heater is a semiconductor e ...


4
Garrison Michi E, Pelmulder John P: Cassette optical identification apparatus for a medical infusion system.. Pacesetter Infusion, June 14, 1989: EP0320168-A1 (46 worldwide citation)

A cassette identification system for use with a medication infusion system having disposable cassettes which are mounted onto a main pump unit is disclosed which uses an optical sensor module (670) to read identifying bits (148,150,152) on the cassette. The identification indicia contained on the ca ...


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James D Dale, Jesse T Bodwell: Occluder for a medical infusion system. DEKA Products Partnership, Wolf Greenfield & Sacks P C, October 21, 2014: US08863772 (17 worldwide citation)

The present invention generally relates to occluders and, in particular, to occluders for use in medical infusion systems. In one aspect, the occluder contains one or more tubes through which fluid can flow, and the occluder can be automatically controlled to allow or at least partially prevent flui ...


7
Dean L Kamen: Fluid drop detection and discrimination system. Baxter International, Mary R Jankousky, Paul C Flattery, Bruce D Sunstein, November 22, 1988: US04786800 (16 worldwide citation)

A system and method is provided for detecting the presence of drops in a fluid drop path, such as that in a medical infusion system, and for discriminating between signals resulting from true drops and signals resulting from aberrant fluid flow. A transducer generates a drop signal related to the pr ...


8
Ernest Balestracci: Apparatus and methods for support of a membrane filter in a medical infusion system. Bracco Diagnostics, Fredrikson & Byron PA, July 10, 2012: US08216181 (13 worldwide citation)

A removable clamp, for supporting a membrane filter in a medical infusion system, includes connected and opposing walls. A locking feature, which may be connected to an end of one of the walls, engages and disengages a terminal end of the other wall. The filter may be inserted between the opposing w ...


9
Howard J Thompson: Body implantable medical infusion system. Medtronic, Schroeder Siegfried Vidas Steffey & Arrett, September 21, 1982: US04350155 (11 worldwide citation)

A body implantable medical infusion system including an infusate reservoir, a system for regulating infusate discharge and a catheter for delivery of discharged infusate to the desired infusion site. An unregulated infusate discharge is prevented, in a preferred embodiment, by a normally open valve ...


10
Garrison Michi E: Pressure sensing diaphragm system for medication infusion.. Pacesetter Infusion, June 7, 1989: EP0319273-A1 (8 worldwide citation)

A pressure diaphragm (170) installed in a disposable cassette for use on a main pump unit forming part of a medical infusion system is disclosed which allows pressure downstream of a fluid pump to be measured with a high degree of accuracy. The pressure diaphragm (170) is located over a raised cylin ...