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Tissue excision device with an independent needle
专利权人:
Martin L. Flatland
发明人:
Martin L. Flatland,Bamdad Hassanpourgol
申请号:
US13074754
公开号:
US08597204B2
申请日:
2011.03.29
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A biopsy device includes a coring cannula, a retract stylet, and a localization needle. The coring cannula has a longitudinal axis and a shaft centered on the axis. The stylet has a tip containing at least one blade and a central passage. The localization needle has a channel and is slidably disposed within the central passage. A drive mechanism rotates the cannula and moves the cannula in a direction parallel to the longitudinal axis of the cannula. A guide element has a first end and a second end and is slidably disposed within the channel of the localization needle. The guide element is movable from a first position to a second position within the localization needle.
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