Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joseph L. Mark0
Date of Patent
July 31, 2012
0Patent Application Number
121249490
Date Filed
May 21, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A needle set for a biopsy device is disclosed. The needle set includes an outer member, a cylinder lumen within said outer member, an inner member having a cannula and an inner lumen. The inner member is slidably disposed within the cylinder lumen. The biopsy device also includes a cylinder seal member that is disposed within the cylinder lumen and a cannula seal member attached to the outer surface of the cannula. The cylinder seal member and the cannula seal member define a vacuum chamber therebetween.
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