An apparatus (100) for use with an auto-injector configured to receive a syringe and comprising: a firing assembly (102) comprising a rearward portion (108), a plunger rod (110) moveable forward relative to the rearward portion (108) and a plunger rod driver (112) configured to drive the plunger rod (110) forward relative to the rearward portion (108); an insertion driver (106) configured to drive the syringe forwards on an insertion stroke for inserting a needle of the syringe into an injection site; and wherein the firing assembly (102) further comprises a retainer (114) engaged with the plunger rod (110) and/or the rearward portion (108) and configured to prevent forward movement of the plunger rod (110) relative to the rearward portion (108), and to disengage from the firing assembly (102) at a point on the insertion stroke.
Syringe apparatus
2022-06-01
Patent
Elektronische Ressource
Englisch
NTRS | 1979
|Online Contents | 2009
SURFACE MODIFICATION METHOD, SURFACE-MODIFIED ELASTIC BODY, SYRINGE GASKET, SYRINGE, AND TIRE
Europäisches Patentamt | 2017
|