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Last Updated: December 30, 2025

Claims for Patent: 6,135,979

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Summary for Patent: 6,135,979

Title:	Spring-powered dispensing device for medical purposes
Abstract:	A dispensing device, such as a needleless injector, comprising a spring, which provides an energy store, and a dispensing member movable, to effect a dispensing, under the force of the spring. A latch has a first position in which it restrains movement of the dispensing member and a second position in which it permits such movement. A trigger is operable by the user for moving the latch from the first position to the second position. A safety mechanism, preferably in the form of an appropriately shaped slot in the dispensing member, is effective before the device has been completely assembled to prevent movement of the latch to the second position.
Inventor(s):	Terence Edward Weston
Assignee:	Zogenix Inc
Application Number:	US09/178,991
Patent Claims:

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