US Patent 11839364 Full core biopsy device
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US Patent 11839364 Full core biopsy device
Article
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.
Infobox
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Patent Jurisdiction
Patent Number
Patent Inventor Names
Deborah R. Beck0
Douglas P. Knoll0
Date of Patent
December 12, 2023
0Patent Application Number
161907790
Date Filed
November 14, 2018
0Patent Citations
Patent Primary Examiner
CPC Code
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