Claims for Patent: 8,105,292

Summary for Patent: 8,105,292

Title:	Reconstitution means for safety device
Abstract:	The present disclosure describes a needle guard device or system that can be used with drugs requiring reconstitution. The needle guard is preferably a passive needle guard that can be used during reconstitution without activating the safety mechanism. Following administration of the medication, the needle guard shields a user from inadvertent needle sticks by extending a protective shield over the needle.
Inventor(s):	Verespej; James M. (San Marcos, CA), Dowds; Philip (San Diego, CA)
Assignee:	Safety Syringes, Inc. (Carlsbad, CA)
Application Number:	12/368,604
Patent Claims:	1. A syringe system for administering lyophilized drugs, the syringe system comprising a needle guard, the needle guard comprising a shield; a body; one or more trigger fingers disposed on the shield wherein the one or more trigger fingers are configured to remain in a resting, latched position until the one or more trigger fingers are activated; and a spring, wherein the spring is configured to bias the shield from a first, retracted position to a second, extended position; a syringe removably coupled with the needle guard, the syringe including a port on a distal, administration end, a cylindrical barrel, and a plunger slidably coupled with the cylindrical barrel; and a clip removably coupled with the needle guard, wherein the clip permits movement of the plunger when the clip is coupled to the needle guard and comprises one or more extensions configured to interact with the shield and body of the needle guard to retain the shield in the first, retracted position when the one or more trigger fingers are activated; wherein the plunger further comprises a thumb pad, wherein the thumb pad is configured to contact the one or more trigger fingers when the plunger is advanced to a distal position. 2. The syringe system of claim 1, wherein the one or more trigger fingers are activated to an unlatched position when the thumb pad contacts the one or more trigger fingers. 3. The syringe system of claim 2, wherein the one or more trigger fingers relatch to the resting position if the clip is coupled to the needle guard. 4. The syringe system of claim 1, wherein the cylindrical barrel is filled with a diluent. 5. The syringe system of claim 4, wherein the diluent comprises sterile water. 6. The syringe system of claim 4, wherein the diluent comprises saline. 7. The syringe system of claim 1, wherein the port comprises a Luer port. 8. The syringe system of claim 1, wherein the port is configured to receive a needle. 9. The syringe system of claim 1, wherein the clip further comprises a tab configured to prevent removal of the plunger when the plunger is displaced proximally.

Details for Patent 8,105,292

Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Merck Sharp & Dohme Corp.	ZOSTAVAX	zoster vaccine live	For Injection	125123	05/25/2006		2028-02-11