Needle removal operation cover

专利名称：Needle removal operation cover发明人：Koji Hagihira,Yoshitaka Nakanishi申请号：US155167申请日：20150910公开号：US10350367B2公开日：20190716

专利附图：

摘要：Provided is a needle removal operation cover with which a user can safelyperform an injection needle removal operation even when a needle tip is directly insertedinto the needle removal operation cover, and with which the user can remove theinjection needle without requiring a wrist twisting motion. In a needle removal operation

cover which is configured such that an injection needle which is detachably and threadedlymounted on a distal end of an injection cylinder is threadedly removed by rotating theinjection needle, the needle removal operation cover is formed in a cylindrical shape suchthat a needle tube of the injection needle including a needle tip is accommodated in theneedle removal operation cover and integral mounting of a needle hub in the needleremoval operation cover is allowed, a flange body for a rotating operation is formed on acylindrical outer peripheral surface in a projecting manner, an outer periphery of theflange body is formed of a plurality of continuous mountain-like ridge portions, andamong the mountain-like ridge portions, the mountain-like ridge portions which

correspond to a rotational direction along which the injection needle is released from theinjection cylinder are formed into a shape which allows easy engagement of a finger foran operation with the ridge portions.

申请人：THREE DYNE CO., LTD.,NATIONAL UNIVERSITY CORPORATION KUMAMOTOUNIVERSITY

地址：Kumamoto JP,Kumamoto JP

国籍：JP,JP

代理机构：Lucas & Mercanti, LLP

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