Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 2, 2007
Patent Application Number
10258826
Date Filed
April 19, 2001
Patent Citations Received
Patent Primary Examiner
Patent abstract
A double cannula assembly for medical or veterinary use includes a first cannula (10) for insertion into a blood vessel in a conventional manner. This first cannula is an outer cannula and a second or inner cannula (12) is subsequently inserted through said first cannula to extend beyond the distal tip of the outer cannula. The inner cannula and outer cannula are formed to prevent blood entering between the engaging surfaces.
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