Catheter needle for internally irradiating a tumor in a body part
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United States of America Patent
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Jan 19, 2010
Grant Date -
Nov 15, 2007
app pub date -
Jul 13, 2006
filing date -
May 10, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A catheter needle, for irradiating tumors, formed by an elongated plastic tube with parts partly unfoldable outwards which can lock themselves in the tissue, and a closed end. The closed end has a reinforced sharp pointed shape with which tissue can be punctured. In the improved version, therefore, a point from a harder material is provided which is provided in or around the plastic so that the catheter needle has sufficient sharpness like a conventional metal needle. Thus, the catheter needle can puncture the skin and harder, deeper-lying tissues directly without pre-puncturing or other aids.
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