Miniaturized source of ionizing radiation and method of delivering same
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United States of America Patent
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Nov 16, 1999
Grant Date -
N/A
app pub date -
Feb 25, 1997
filing date -
Feb 25, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus of creating a miniaturized source of radiation and delivering radiation to a location such as therapy location. The radiation source comprises a member made of a material emitting electrons when energy is supplied to the member. There is an electron retarding member disposed opposite the electron emitting member, and the electron retarding member is made of a material emitting ionizing radiation when electrons are retarded therein. The radiation source is further provided on an elongated member in the distal region thereof, and the elongated member is insertable into the body.
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