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CANNEL SAFETY DEVICE AND METHOD OF OPERATING THIS
专利权人:
Sanofi-Aventis Deutschland GMBH
发明人:
BRERETON, Simon Francis,EKMAN, Matthew
申请号:
DK11728262
公开号:
DK2585139T3
申请日:
2011.06.27
申请国别(地区):
DK
年份:
2020
代理人:
摘要:
The invention refers to an auto-injector (1) for administering a dose of a liquid medicament (M), the auto-injector (1) having a distal end (P) and a proximal end (D) with an orifice intended to be applied against an injection site and comprising: - an elongate housing (2) arranged to contain a syringe (3) with a hollow needle (4) and a stopper (6) for sealing the syringe (3) and displacing the medicament (M), wherein the syringe (3) is slidably arranged with respect to the housing (2), - a drive means (8) capable of, upon activation: - pushing the needle (4) from a retracted position into an advanced position through the orifice and past the proximal end (P), and - operating the syringe (4) to supply the dose of medicament (M), - a plunger (9) for transmitting power from the drive means (8) to the syringe (3) and/or stopper (6), - activating means arranged to lock the drive means (8) in a compressed state prior to manual operation and capable of, upon manual operation, releasing the drive means (8) for injection, characterized in that translation of the needle (4) and the syringe (3) and/or translation of the plunger (9) in longitudinal direction is controlled by at least one ramp (2.5, 9.6, 2.7, 7.2) or one thread so as to cause the syringe (3) and/or the plunger (9) to rotate when translated at least during part of the translation.
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