1
Robert E Fischell: Plural module medication delivery system. The Johns Hopkins University, Robert E Archibald, Howard W Califano, January 22, 1985: US04494950 (1079 worldwide citation)

A system consisting of a multiplicity of separate modules which collectively perform a useful biomedical purpose; the modules communicating with each other without the use of interconnecting wires. All modules may be intracorporeal or body mounted extracorporeal or some modules may be intracorporeal ...


2
Robert E Fischell: Implantable, programmable medication infusion system. The Johns Hopkins University, Robert E Archibald, Marc A Block, Samuel L Sachs, February 15, 1983: US04373527 (647 worldwide citation)

An implantable programmable medication infusion system comprises an implantable portion (2) having a medication reservoir (10) at below body pressure and isolated at its input from the body in which it is implanted by an antechamber (8) the pressure integrity of which is checked before filling the m ...


3
Robert E Fischell, Peter C Lord: Refillable medication infusion apparatus. The Johns Hopkins University, Robert E Archibald, Howard W Califano, March 4, 1986: US04573994 (479 worldwide citation)

Apparatus and method for filling, or refilling, the internal reservoir of a medication infusion system, wherein filling or refilling is permitted only when a means for injecting medication is properly positioned relative to the reservoir. Prior to filling or refilling, a pressure integrity check can ...


4
Jeffery C Lesho, Arthur F Hogrefe: Ingestible size continuously transmitting temperature monitoring pill. The Johns Hopkins University, Robert E Archibald, Howard W Califano, July 4, 1989: US04844076 (419 worldwide citation)

A temperature responsive transmitter is disclosed. The transmitter utilizes a unique circuit design that allows encapsulation in an ingestible size capsule. The inventive circuit design uses a one transistor inverting amplifier with a tank circuit forming the link between the transistor's collector ...


5
Anthony Venbrux: Percutaneous prosthetic by-pass graft and method of use. The Johns Hopkins University, Cushman Darby & Cushman, August 22, 1995: US05443497 (399 worldwide citation)

A generally tubular prosthetic device is provided which includes a first stent having a central axis and a flow passage defined therethrough and being sized for insertion into a target lumen. A first, proximal member extends from a sidewall of proximal stent and is in fluid communication with the fl ...


6
Robert E Fischell: Programmable control means for providing safe and controlled medication infusion. The Johns Hopkins University, Robert E Archibald, Howard W Califano, March 15, 1988: US04731051 (388 worldwide citation)

An implantable programmable infusion pump (IPIP) is disclosed and generally includes: a fluid reservoir filled with selected medication; a pump for causing a precise volumetric dosage of medication to be withdrawn from the reservoir and delivered to the appropriate site within the body; and, a contr ...


7
Joshua E Tsitlik, Howard Levin, Henry Halperin, Myron Weisfeldt: ECG amplifier and cardiac pacemaker for use during magnetic resonance imaging. The Johns Hopkins University, Howard W Califano, June 8, 1993: US05217010 (333 worldwide citation)

A device for monitoring a patient or pacing a patient is disclosed which can safely operate in a MRI system. The device uses unique RF filtering and shielding to attenuate voltages on the leads resulting from the high frequency RF signals produced in the MRI. The device is uniquely shielded to preve ...


8
Allen A Kowarski: System for continuous withdrawal and analysis of blood. The Johns Hopkins University, Cushman Darby & Cushman, February 22, 1977: US04008717 (319 worldwide citation)

A small, portable, constant withdrawal device is connected to tubing, including a catheter, whose internal walls are coated with heparin. The catheter is inserted intravenously through a disposal needle into a subject such as a human being. The subject may then move about for a selected period when ...


9
Kim R Fowler, Richard B North: Computer-controlled neurological stimulation system. The Johns Hopkins University, Eugene J Pawlikowski, December 6, 1994: US05370672 (265 worldwide citation)

Neurological stimulation alleviates chronic pain and other functional neurologic disorders by delivering electrical impulses to the nervous system of a patient. Within this setting, a computer interface optimizes stimulation with commercially available neurostimulators. The computer and interface, i ...


10
Arthur F Hogrefe, Wade E Radford: Coherent inductive communications link for biomedical applications. The Johns Hopkins University, Robert E Archibald, Howard W Califano, December 31, 1985: US04561443 (245 worldwide citation)

A two-way coherent inductive communications link between an external transceiver and an internal transceiver located in a biologically implanted programmable medical device. Digitally formatted command data and programming data is transmitted to the implanted medical device by frequency shift keying ...



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