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Patent Searching and Data


Title:
BIOPSY DEVICE AND SPECIMEN-SAMPLING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/244714
Kind Code:
A1
Abstract:
This biopsy device (1) comprises a hollow needle (2), a wire (3) that is disposed inside the needle (2) in the longitudinal direction of the needle (2) and provided with a helical drill body (6) at the distal end, and a rotation mechanism (10, 11, 12) that moves the drill body (6) in the longitudinal direction, said drill body (6) protruding from the distal end (2a) of the needle (2) and rotating around the longitudinal axis of the wire (3). The drill body (6) has a preset pitch in the longitudinal direction. The rotation mechanism (10, 11, 12) moves the rotating drill body (6) in the longitudinal direction with a lead equal to the preset pitch.

Inventors:
KAWAYOKE SHOICHIRO (JP)
KAMADA SHOHEI (JP)
Application Number:
PCT/JP2022/020325
Publication Date:
November 24, 2022
Filing Date:
May 16, 2022
Export Citation:
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Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B8/12; A61B10/02
Foreign References:
JP2012235878A2012-12-06
US20140026693A12014-01-30
Attorney, Agent or Firm:
UEDA, Kunio et al. (JP)
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