Rafael Victor Andino,Vladimir Zarnitsyn,Jesse Yoo,Christopher John Brooks,Trent John Kahute,Justin William Arsenault,David Jackson Trettin,Andrew Kent Bauer,Stephanie Elaine Lewis
申请号：
US15472551
公开号：
US09770361B2
申请日:
2017.03.29
申请国别(地区):
US
年份:
2017
代理人:
摘要：
An apparatus includes a housing coupled to a medicament container, which is coupled to a needle. An injection assembly is disposed within the housing and includes an energy storage member and an actuation rod. A distal end portion of the actuation rod is disposed within the medicament container. The energy storage member can produce a force on a proximal end portion of the actuation rod sufficient to move the distal end portion of the actuation rod within the medicament container. This can convey at least a portion of a substance from the medicament container via the needle when a distal tip of the needle is disposed within a first region of a target location. The force is insufficient to move the distal end portion of the actuation rod within the medicament container when the distal tip of the needle is disposed within a second region of the target location.
