COAXIAL CABLE ANTENNA FOR COMMUNICATION WITH IMPLANTED MEDICAL DEVICES

In general, the invention is directed to a coaxial cable antenna for use in an external device, such as a programmer or monitor, to enhance communication between the external device and an implanted medical device (IMD). The coaxial cable antenna provides the external device with polarization divers...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VILLASECA EDUARDO H, DOUGHERTY BONNIE, DUBLIN GARRY L
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS ANTENNAS, i.e. RADIO AERIALS BASIC ELECTRIC ELEMENTS DIAGNOSIS ELECTRICITY ELECTROTHERAPY HUMAN NECESSITIES HYGIENE IDENTIFICATION MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE ORDER TELEGRAPHS PHYSICS RADIATION THERAPY SIGNALLING SIGNALLING OR CALLING SYSTEMS SURGERY ULTRASOUND THERAPY
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Beschreibung
Zusammenfassung:	In general, the invention is directed to a coaxial cable antenna for use in an external device, such as a programmer or monitor, to enhance communication between the external device and an implanted medical device (IMD). The coaxial cable antenna provides the external device with polarization diversity. For example, the coaxial cable antenna includes a first portion and a second portion that are substantially perpendicular to one another. Each of the portions of the coaxial cable antenna has a different polarization orientation, thus providing the programmer with polarization diversity. Further, the external device may include more than one coaxial cable antenna to provide the external device with spatial diversity as well as polarization diversity provided by the coaxial cable antenna design. The coaxial cable antenna configurations reduce problems associated with polarization mismatches, antenna nulls, and multi-path propagation interference.