发明名称 |
METHODS AND APPARATUS FOR TISSUE REMOVAL |
摘要 |
A tissue removal apparatus and needle assembly for extracting a tissue portion from tissue or the like, the needle assembly comprising an inner tube having an interior cavity, an outer cannula having a proximal end, a distal end and an interior cavity, the interior cavity of the outer cannula having an interior diameter to slidably receive the inner tube and a collapsible section operably engaged with the inner tube and the outer cannula whereby a forward movement of a portion of the inner tube within the interior cavity of the outer cannula changes the collapsible section from a neutral position to a collapsed position to engage the tissue portion. A method of tissue removal comprising the steps of positioning a needle assembly in a tissue, engaging a tissue portion and withdrawing the needle assembly to remove the tissue portion from the tissue. |
申请公布号 |
WO2012167216(A2) |
申请公布日期 |
2012.12.06 |
申请号 |
WO2012US40643 |
申请日期 |
2012.06.03 |
申请人 |
THERAGENICS CORPORATION;TRIPP, HUGH;JOHNSON, THOMAS |
发明人 |
TRIPP, HUGH;JOHNSON, THOMAS |
分类号 |
A61B10/02;A61B17/3205;A61B17/34 |
主分类号 |
A61B10/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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