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Needle Assisted Injection Device Having Reduced Trigger Force
专利权人:
Antares Pharma; Inc.
发明人:
Michael Travanty
申请号:
US15783407
公开号:
US20180050156A1
申请日:
2017.10.13
申请国别(地区):
US
年份:
2018
代理人:
摘要:
An injector includes a trigger mechanism including: a trigger member disposed about an axis having an aperture and a protrusion, and a ram assembly having a ram configured to pressurize a medicament container for expelling a medicament therefrom, the ram assembly further having a trigger engagement member configured to engage the aperture of the trigger member when the trigger member is in a pre-firing condition; an energy source associated with the ram for powering the ram to expel the medicament; and a user-operable firing-initiation member having an aperture engaged with the protrusion of the trigger member and operable for causing an axial translation of the trigger member in a proximal direction from the pre-firing condition to a firing condition in which the trigger engagement member is released from the retaining portion to allow the energy source to fire the ram.
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