1
Johannes H L Hogen Esch: Implantable biomedical sensor device, suitable in particular for measuring the concentration of glucose. N V Nederlandsche Apparatenfabriek Nedap, Jacobson Price Holman & Stern, December 13, 1994: US05372133 (598 worldwide citation)

Implantable biomedical sensor device for measuring in vivo the presence and/or concentration of physiological substances, such as the concentration of glucose, in a human or animal body. A miniaturized electronic responder (1) arranged in a closed housing (2) of biocompatible material in an electrom ...


2
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 ...


3
Patricia A Broderick: Cathodic electrochemical current arrangement with telemetric application. Research Foundation The City University of New York, Morgan & Finnegan, November 28, 1989: US04883057 (247 worldwide citation)

This invention relates to a method for producing a cathodic, or reduction, current used in an in vivo semidifferential, semiderivative and/or semiintegral electrochemical method for achieving routine, reliable, and reproducible measurements of the dynamics of neurochemicals and neurochemical-like ma ...


4
John J Grevious: Telemetry modulation protocol system for medical devices. Medtronic, Banner & Witcoff, September 3, 2002: US06443891 (229 worldwide citation)

An apparatus and method for a telemetry system that automatically selects a symmetric modulation protocol configuration for telemetry communication between medical devices and programmers used in providing patient treatment. The standardized telemetry protocol will use the symmetric modulation proto ...


5
Jack M Pope, Thomas B Fryer: Miniature ingestible telemeter devices to measure deep-body temperature. The United States of America represented by the Administrator of the National Aeronautics and Space Administration, Darrell G Brekke, Armand G Morin, John R Manning, July 27, 1976: US03971362 (166 worldwide citation)

A miniature, ingestible and encapsulated telemeter device for transmitting information relating to deep-body temperature of a subject comprising a battery source of power, and a free running multivibrator circuit having fixed biasing means connected to oscillator having a predetermind resonant frequ ...


6
Ronald T Kurnik, Janet Tamada, Michael Tierney: Chemical signal-impermeable mask. Cygnus, Barbara G McClung, Robins & Associates, March 13, 2001: US06201979 (147 worldwide citation)

A chemical signal-impermeable mask is positioned in the electrolyte flow such that the mask is between a source of chemical signal and a working electrode which senses the chemical signal transported from the source (e.g., by diffusion). The configuration of the mask is such that the mask prevents s ...


7
Ronald T Kurnik, Janet Tamada, Michael Tierney: Methods of producing an assembly for use in a monitoring device. Cygnus, Barbara G McClung, Robins & Pasternak, April 9, 2002: US06370410 (129 worldwide citation)

A chemical signal-impermeable mask is positioned in the electrolyte flow such that the mask is between a source of chemical signal and a working electrode which senses the chemical signal transported from the source (e.g., by diffusion). The configuration of the mask is such that the mask prevents s ...


8
Philip N Eggers: Adaptive selection of a warning limit in patient monitoring. CardioNet, Thomas E Coverstone Esq, Procopio Cory Hargreaves & Savitch, May 27, 2003: US06569095 (102 worldwide citation)

A patient is monitored by establishing a current warning limit for a physiological characteristic of the patient, providing a sensor for the physiological characteristic, and measuring a measured value of the physiological characteristic of the patient using the sensor. A revised warning limit is se ...


9
Charles W Scarantino, H Troy Nagle, Lester C Hall, Jeffrey Mueller, Bahram Ghaffarzadeh Kermani: Methods, systems, and associated implantable devices for dynamic monitoring of physiological and biological properties of tumors. North Carolina State University, Sicel Technologies, Myers Bigel Sibley & Sajovec PA, March 7, 2006: US07010340 (96 worldwide citation)

Methods of monitoring and evaluating the status of a tumor undergoing treatment includes monitoring in vivo at least one physiological parameter associated with a tumor in a subject undergoing treatment, transmitting data from an in situ located sensor to a receiver external of the subject, analyzin ...


10
Gerald R Severson: Intracranial pressure sensing device. Motorola, Harry M Weiss, Kenneth R Stevens, March 16, 1976: US03943915 (85 worldwide citation)

A fluid pressure sensor for use internal to the human body including a completely ceramic sectioned outer shell having an opening therein for allowing fluid access to a thin metal diaphragm member. The thin metal diaphragm member is disposed between the sectioned outer shell by diffusion bonding in ...