Catheter with distally located integrated circuit radiation generator
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United States of America Patent
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-
Mar 12, 1991
Grant Date -
N/A
app pub date -
May 3, 1989
filing date -
May 3, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A catheter includes at least two electrical conductors extending from the proximal to the distal ends. A semiconductor chip generator of electromagnetic radiation is located at the distal end and is energized by electrical power supplied by the electrical conductors. The chip may be a laser or include an oscillator for generating electromagnetic radiation at a selected frequency or frequencies. In one embodiment, two chip radiation generators are located distally, each connected to one of the conductors. A third conductor is connected in common to both chips, whereby they may be energized independently. An axial aperture may be provided for a guide wire. A balloon may surround the distal end of the catheter, and may be inflated by way of another axial aperture.
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