Kensuke Uemura,G. Alexey Remnev,V. Konstantin Shalnov
申请号:
US14377235
公开号:
US09265896B2
申请日:
2013.02.14
申请国别(地区):
US
年份:
2016
代理人:
摘要:
Provided is a method for producing a puncture needle, which causes no significant pain during use such as when pierced. The method for producing the puncture needle includes the step of processing a pipe-like metallic base material having at one end a grinding surface obtained by machine work with plasma generated in an atmosphere filled with a mixed gas mainly including a main gas and a reaction gas.