Patent ID: 9616173
Date: 2017-04-11
CPC Classifications: A61M

Claim:
1. A disposable cassette for use with a reusable injector, the cassette comprising: a housing; a sleeve movable in the housing; a hypodermic syringe fixedly held within the sleeve for movement therewith in the housing, the syringe comprising an injection needle and a fluid medicament; and a latch mechanism for latching the sleeve within the housing of the disposable cassette, the latch mechanism comprising first and second parts; wherein the housing includes one of the first and second parts of the latch mechanism and the sleeve includes the other one of the first and second parts of the latch mechanism; wherein the latch mechanism is configured to be unlatched by the reusable injector, thereby allowing the sleeve and the syringe fixedly held within the sleeve, to be moved within the housing by the reusable injector from a first position where the injection needle is concealed within the housing of the disposable cassette, to a second position where the injection needle extends from the housing of the disposable cassette; and wherein the latch mechanism is configured to be relatched by the reusable injector when the injector moves the sleeve and the syringe fixedly held within the sleeve, back to the first position where the injection needle is concealed within the housing of the disposable cassette from the second position where the injection needle extends from the disposable cassette.