Surgery – Instruments – Electrical application
Patent
1992-05-18
1994-01-04
Aschenbrenner, Peter A.
Surgery
Instruments
Electrical application
607154, 607116, A61N 502
Patent
active
052755975
ABSTRACT:
A catheter combination is described using a percutaneous transluminal transmitter for transmitting energy to a localized area. The combination includes a catheter having a hollow tubular member. A transmitter combination for partial insertion into the catheter includes a continuous central conductor terminating in a tip for receiving and transmitting a signal to the tip. A dielectric material surrounds at least a significant portion of the central conductor, and a continuous coaxial conductor surrounds the dielectric material for receiving and transmitting a signal to a point adjacent the tip to form an antenna for transmitting energy to tissue when the transmitter is placed into biologic tissue. A coating around the coaxial conductor covers the coaxial conductor. A signal generator is coupled to the central conductor and the coaxial conductor for applying a signal between the central and coaxial conductors to transmit energy from the tip of the central conductor.
REFERENCES:
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patent: 4601296 (1986-07-01), Yerushalmi
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patent: 4813429 (1989-03-01), Eshel et al.
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patent: 4993430 (1991-02-01), Shimoyama et al.
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Chou Jim-Son
Dove Jeffery S.
Grisoni Lauralan
Heitzmann Hal
Higgins Sheryl W.
Aschenbrenner Peter A.
Baxter International Inc.
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