초록 ▼

The present invention provides an auto-injection device including a housing, a container from which a product is dispensed by advancing a piston, the container shiftably accommodated by the housing and carrying a needle, and a drive unit including a driven member, wherein the driven member is shifta

The present invention provides an auto-injection device including a housing, a container from which a product is dispensed by advancing a piston, the container shiftably accommodated by the housing and carrying a needle, and a drive unit including a driven member, wherein the driven member is shiftably accommodated by the housing and, during an auto-injection, is adapted for inserting the needle and advancing the container to a predetermined frontal position in relation to the housing and advancing the piston within the container for dispensing of the product, wherein the driven member remains uncoupled with the piston until the container reaches its frontal position, and upon the container reaching its frontal position, the driven member detaches from the container and couples with the piston for advancing the piston within the container.

대표청구항 ▼

[ What is claimed is:] [1.]1. An auto-injection device for administering a product, comprising:a) a housing;b) a container having an outlet and carrying a needle at said outlet, the container being shiftably accommodated by the housing; andc) a driven member of a drive unit operably coupled to the h

[ What is claimed is:] [1.]1. An auto-injection device for administering a product, comprising:a) a housing;b) a container having an outlet and carrying a needle at said outlet, the container being shiftably accommodated by the housing; andc) a driven member of a drive unit operably coupled to the housing, the driven member being shiftably accommadated by the housing wherein, during an auto-injection, the driven member advances the container to a predetermined frontal position in relation to the housing, and advances a piston within the container for dispensing of the product, wherein the driven member remains uncoupled with the piston, and coupled with the container until the container reaches the predetermined frontal position, and upon the container reaching the predetermined frontal position, the driven member becomes decoupled from the container and becomes coupled with the piston for advancement of the piston within the container.