LOCKING COUPLINGS FOR OSMOTIC DELIVERY DEVICES

摘要

A delivery system (10) is disclosed for delivering a fluid-sensitive active agent (7) such as a somatotropin, or an analogue or derivative thereof, to an animal such as a bovine. The delivery system comprises a first wall section (12a), a second wall section (12b) and a locking coupling (200) therebetween. The coupled wall sections define a compartment (18), enclosing an active agent (7)and an expandable driving member (25). Various embodiments of thelocking coupling (200) are disclosed.