Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas P. Knoll0
Deborah R. Beck0
Date of Patent
December 12, 2023
0Patent Application Number
161907790
Date Filed
November 14, 2018
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
A biopsy device includes coaxially disposed inner and outer needles in which the outer needle tip is configured for obtaining a tissue sample. The inner surface of the outer needle includes a tissue retention feature which includes a countersink having a predetermined length from the distal cutting edge of the outer needle.
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