1
Robert E Fischell: Plural module medication delivery system. The Johns Hopkins University, Robert E Archibald, Howard W Califano, January 22, 1985: US04494950 (1169 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, Tim A Fischell: Intravascular stent and percutaneous insertion catheter system for the dilation of an arterial stenosis and the prevention of arterial restenosis. MedInnovations, Howard W Califano, September 6, 1988: US04768507 (691 worldwide citation)

This invention is in the field of percutaneous insertion catheters that are used for placing a coil spring stent into a vessel of a living body for the purposes of enhancing luminal dilation, preventing arterial restenosis and preventing vessel blockage resulting from intimal dissection following ba ...


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 (501 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 (437 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
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 (429 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 ...


6
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 (349 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 ...


7
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 (269 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 ...


8
Arnold L Newman: Optimized capacitive sensor for chemical analysis and measurement. The Johns Hopkins University, Robert E Archibald, Howard W Califano, April 18, 1989: US04822566 (223 worldwide citation)

An apparatus for detecting the presence and/or measuring the concentration of an analyte in the fluid medium is disclosed. The apparatus relies on biospecific binding between a biochemical binding system and the analyte to change the dielectric properties of a capacitive affinity sensor. The biologi ...


9
Quentin E Dolecek: Memory-linked wavefront array processor. The Johns Hopkins University, Robert E Archibald, Howard W Califano, January 19, 1988: US04720780 (219 worldwide citation)

A Memory-Linked Wavefront Array Processor (MWAP) is disclosed which computes a broad range of signal processing, scientific and engineering problems at ultra-high speed. The memory-linked wavefront array processor is an array of identical programmable processing elements linked together by dual-port ...


10
Robert W Massof, Donald C O Shea, Thomas W Raasch: Video display on spectacle-like frame. The Johns Hopkins University, Howard W Califano, September 29, 1992: US05151722 (159 worldwide citation)

A head mounted display is disclosed for providing a monocular or binocular wide field of view. The head mounted display contains a unique configuration and unique folding optics so that it can be worn like a pair of spectacles or goggles. The optics and frame of the goggles are uniquely designed to ...