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NEEDLE-BASED MEDICAL DEVICE AND RELATED METHOD
专利权人:
Timothy J. Erskine
发明人:
Timothy J. Erskine
申请号:
US13254163
公开号:
US20120123332A1
申请日:
2009.03.05
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A needle-based medical device and a method for constructing it are disclosed. The medical device includes a needle blocking object movable from a non-blocking position offset from the longitudinal axis of the needle to a blocking position a needle shield housing, the needle shield housing including: a lumen for accommodating at least part of the needle such that the needle shield housing an opening for accommodating at least part of the needle blocking object and a biasing member for applying a biasing force on the needle blocking object, the biasing force including a first component substantially perpendicular to the longitudinal axis of the needle and a second component substantially parallel to the longitudinal axis of the needle. The needle blocking object moves by exertion of the biasing force to the blocking position, preventing the needle from emerging from the needle shield housing, in response to a triggering proximal movement of the needle.
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