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AIGUILLE CREUSE À USAGE MÉDICAL, ET PROCÉDÉ DE FABRICATION DE CELLE-CI
专利权人:
NIPRO CORPORATION
发明人:
IWASE YOSHIHARU,EIZUMI YUTAKA
申请号:
EP11844346
公开号:
EP2647398A4
申请日:
2011.11.29
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
A medical hollow needle (10) structured in accordance with the present invention, wherein the puncture resistance of a blade surface over the entire length in the puncture direction can be made substantially equal, and the patient's pain during needle puncture can be relieved due to a reduction in the peak level of puncture pain with the duration of sensory awareness of the puncture pain shortened by the use of the blade surface in a novel shape employing, in combination with each other, first to fourth inclined surfaces (26, 30, 32, 42, 42) having specific inclination directions. Accordingly, the present invention provides a medical hollow needle with a blade surface in a novel shape whereby the puncture pain can be further reduced compared to needles with a conventional structure, and to provide a preferred method of producing such a medical hollow needle.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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