Martin John McLoughlin,Michael James David Heald,Cameron Townley Charles,Dylan Sanders Garrett,Kevin Richard Lozeau
申请号：
US14437393
公开号：
US09867941B2
申请日:
2013.10.21
申请国别(地区):
US
年份:
2018
代理人:
摘要：
Provided is a drive unit for an auto-injector having a drive unit housing arranged for docking receipt of a syringe or of a cassette unit comprising a syringe movable from a rest position, in which a needle tip of the syringe is within the drive unit housing to a use position, in which the needle tip protrudes from a needle delivery aperture； and a drive arrangement including one or more electrically powered sources of axial drive； a first drive transfer element for advancing the syringe to said use position； and a second drive transfer element for moving a plunger into the barrel of the syringe to eject liquid contents thereof. The drive unit housing is provided with a skin sensor arrangement having an array of plural skin sensor electrodes located about the needle delivery aperture.
