PUNCTURE METHOD, INCISION NEEDLE, PUNCTURE NEEDLE, NEEDLE CAP AND INSTRUMENT FOR BLOOD PURIFICATION TREATMENT
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United States of America Patent
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Issued Date -
Dec 1, 2011
app pub date -
May 25, 2011
filing date -
May 25, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention is a method of puncturing a shunt blood vessel, using a incision needle having a pointed extremity that protrudes apically from a hypothetical angled plane formed by cutting straight through the tip of the needle at an angle, wherein the pointed extremity of the incision needle is inserted into a shunt blood vessel, thereby forming a reverse U-shaped incision on the surface of the shunt blood vessel, with the apex of the incision being on the bottom side in the direction of insertion.
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