Thomas Mark Kemp,Timothy Donald Barrow-Williams,Matthew Ekman
申请号：
US15782602
公开号：
US20180214640A1
申请日:
2017.10.12
申请国别(地区):
US
年份:
2018
代理人:
摘要：
An auto-injector comprising an elongate housing containing a syringe. The housing having an orifice intended to be applied against an injection site. The syringe is slidably arranged with respect to the housing. A spring pushing the needle from a covered position into an advanced position, operating the syringe and covering the needle. An activator arranged to lock the spring prior to manual operation and capable of, upon manual operation, releasing the spring means for injection. A first gear arrangement and a second gear arrangement arranged fro converting torque from a first end and a second end of the torsion spring into a translative force. The first end groundable in the housing while the second end acts on a plunger through the second gear arrangement for advancing the needle and supplying the dose.
