PUNCTURE INSTRUMENT AND PUNCTURE DEVICE

Title:

PUNCTURE INSTRUMENT AND PUNCTURE DEVICE

Document Type and Number:

WIPO Patent Application WO/2013/141119

Kind Code:

A1

Abstract:

A puncture instrument provided with a puncture member, said puncture member comprising a puncture needle (31) for puncturing a biological tissue, a shaft, and a connecting part for connecting the puncture needle (31) and the shaft. The puncture needle (31) comprises a needle body (311) for puncturing a biological tissue and an extended needle (316), which is provided so as to be movable relative to the needle body (311) along the longitudinal direction of the needle body (311), for puncturing a biological tissue. The puncture instrument is also provided with a plunger for pressing the extended needle (316) and moving the same toward the tip direction of the needle body (311), said plunger being provided as an extension means whereby the extended needle (316) is moved, relative to the needle body (311), toward the tip direction of the needle body (311) to thereby extend the puncture needle (31).

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Inventors:

KAWAURA MASAKATSU (JP)
ARIURA SHIGEKI (JP)

Application Number:

PCT/JP2013/057061

Publication Date:

September 26, 2013

Filing Date:

March 13, 2013

Export Citation:

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Assignee:

TERUMO CORP (JP)

International Classes:

A61B17/00; A61B17/04

Foreign References:

JPH06504467A	1994-05-26
JP2007260422A	2007-10-11
JP2004535835A	2004-12-02
JPH10506803A	1998-07-07
US20020068948A1	2002-06-06
JP2010099499A	2010-05-06

Other References: