Patent ID: 11883637
Assignee: YPSOMED AG
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An autoinjector, comprising:
a first spring, wherein the first spring is preloaded for dispensing a product from the autoinjector; and
a rotation member operatively coupled to a drive member, wherein the drive member is sleeve-shaped and adapted to act on a piston of a product container, and wherein the sleeve-shaped drive member comprises a thread or a thread segment on an inner side and the rotation member comprises a thread or thread segment on an outer side to thereby couple the rotation member with the drive member,
wherein the first spring acts on the rotation member such that the rotation member is set into rotation to cause displacement of the drive member for dispensing the product, and
wherein the thread or thread segment of the rotation member or the drive member comprises a variable pitch.