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公开(公告)号：US09789254B2
公开(公告)日：2017-10-17
申请号：US15113254
申请日：2015-01-22
Applicant: UCB BIOPHARMA SPRL
CPC classification number: A61M5/20 , A61M5/24 , A61M2005/2418 , A61M2005/244 , A61M2005/2481 , A61M2205/52 , A61M2205/584 , A61M2205/6054
Abstract: Provided is a cassette unit suitable for use with an auto-injector having a drive unit. The cassette unit comprises a cassette unit housing defining a cassette unit housing cavity, which is in receipt of a syringe, a rearward entrance to said cavity and a forward needle projection aperture. The cassette unit also comprises in capping relationship with the rearward entrance of the cassette unit housing, a cassette unit end-cap, said cassette unit end-cap defining a drive rod-receiving opening for receipt of a drive rod for providing forward axial drive to said plunger; a biasing element defining a biasing relationship between the cassette unit end-cap and an end flange of the syringe barrel, thereby urging the syringe forwards in relation to the cassette unit end-cap; and a damping element defining a damping relationship between the cassette unit end-cap and the flange of the syringe, thereby acting to damp rearward movement of the syringe relative to the cassette unit end-cap.
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公开(公告)号：US10342925B2
公开(公告)日：2019-07-09
申请号：US15113296
申请日：2015-01-22
Applicant: UCB BIOPHARMA SPRL
Abstract: Provided is a cassette unit suitable for use with an auto-injector having a drive unit. The cassette unit comprises a cassette unit housing defining a cassette unit housing cavity arranged for receipt of a syringe; a needle projection aperture; a needle cover defining a needle sheath for sheathing of a needle tip of the syringe; a removable cap that in a capping position fits over and thereby, acts such as to close off, the needle projection aperture, the removable cap defining a cap interior; provided to the removable cap, a cap insert; and provided to the cap insert, a connector defining one or more needle cover gripping elements for gripping the needle cover and the connector defines a central hub and the one or more needle gripper elements attach to the central hub and in spaced arrangement relative to each other, wherein the connector locates within the removable cap such that the central hub of the connector is in spaced relationship with a forward end wall or surface of the cap interior and the needle cover gripping elements project away from the forward end cap wall or surface of the cap interior and towards the open end of the cap, and wherein the removable cap is shaped to allow for limited axial travel of the cap insert there within.
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