Injection apparatus with an end position-blocked dosage...

Details Injection apparatus with an end position-blocked dosage... Injection apparatus with an end position-blocked dosage...

2004-06-18

2010-11-09

Sirmons, Kevin C (Department: 3767)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S211000

Reexamination Certificate

active

07828779

ABSTRACT:
An injection device including a housing with a reservoir for an injectable product, a delivery device used to dispense a product dose from the reservoir, and a dose metering member which, in order to select the product dose, can carry out a rotational displacement in relation to the housing in a first direction until it reaches an end position and can be displaced in an opposite second rotational direction, wherein the dose metering member is coupled to the delivery device in such a way that the latter, when actuated, dispenses the product dose that has been selected by means of the dose metering member, the injection device also including an anti-twist safety device which has at least one anti-twist stop and at least one anti-twist counter-stop, one of which is formed by the housing and the other by the dose-metering member, wherein the anti-twist stop and the anti-twist counter-stop come to rest against one another in the end position in order to prevent the rotational displacement of the dose metering member in the first rotational direction from continuing beyond the end position.

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