Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 10, 2009
Patent Application Number
10258385
Date Filed
April 20, 2001
Patent Citations Received
Patent Primary Examiner
Patent abstract
A single use retractable syringe and plunger are provided. The syringe has a barrel having a collar with one or two projections that slidably engage a plurality of interconnected slots of the plunger. The slots of the syringe include one or more gates or abutments that restrict slidable movement of the projections within the slots to thereby prevent re-use of the syringe after injection and subsequent retraction of the needle.
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