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 may include a countersink and/or a feature formed in the inner surface. The device may be configured such that the inner needle does not extend past a certain point within the outer needle.
申请公布号
EP2598040(A1)
申请公布日期
2013.06.05
申请号
EP20110813034
申请日期
2011.07.26
申请人
PROMEX TECHNOLOGIES, LLC
发明人
SUNDHEIMER, HERBERT, ALAN;IRELAND, DAN, C.;MILLER, SEAN