CA2202613A1 - Biopsy needle - Google Patents

Biopsy needle

Info

Publication number
CA2202613A1
CA2202613A1 CA002202613A CA2202613A CA2202613A1 CA 2202613 A1 CA2202613 A1 CA 2202613A1 CA 002202613 A CA002202613 A CA 002202613A CA 2202613 A CA2202613 A CA 2202613A CA 2202613 A1 CA2202613 A1 CA 2202613A1
Authority
CA
Canada
Prior art keywords
stylet
notch
distal end
cannula
biopsy needle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002202613A
Other languages
French (fr)
Other versions
CA2202613C (en
Inventor
Michael S. H. Chu
Yem Chin
James Bates
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boston Scientific Corp
Original Assignee
Michael S. H. Chu
Yem Chin
James Bates
Boston Scientific Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Michael S. H. Chu, Yem Chin, James Bates, Boston Scientific Corporation filed Critical Michael S. H. Chu
Publication of CA2202613A1 publication Critical patent/CA2202613A1/en
Application granted granted Critical
Publication of CA2202613C publication Critical patent/CA2202613C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/0233—Pointed or sharp biopsy instruments
    • A61B10/0266—Pointed or sharp biopsy instruments means for severing sample
    • A61B10/0275—Pointed or sharp biopsy instruments means for severing sample with sample notch, e.g. on the side of inner stylet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B2010/0208—Biopsy devices with actuators, e.g. with triggered spring mechanisms

Abstract

A biopsy needle device includes an outer cannula (12) having a pointed, tissue-penetrating distal end and a side notched stylet (14) located within the cannula (12). The stylet (14) and cannula (12) are axially movable with respect to each other. The stylet (14) is constructed from a solid rod having a notch (8) near the distal end. The notch (8) is bordered in portions along its length by a walled region to at least in part define a protected sample containment space. The stylet (14) includes a pointed, tissue-penetrating distal end. The notch (8) defines a full cylindrical region, and the walled region has a semicircular cross section.
CA002202613A 1994-10-31 1995-10-26 Biopsy needle Expired - Fee Related CA2202613C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US33200094A 1994-10-31 1994-10-31
US08/332,000 1994-10-31
PCT/US1995/013863 WO1996013214A1 (en) 1994-10-31 1995-10-26 Biopsy needle

Publications (2)

Publication Number Publication Date
CA2202613A1 true CA2202613A1 (en) 1996-05-09
CA2202613C CA2202613C (en) 2006-06-06

Family

ID=23296270

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002202613A Expired - Fee Related CA2202613C (en) 1994-10-31 1995-10-26 Biopsy needle

Country Status (6)

Country Link
US (1) US5989196A (en)
EP (1) EP0841874B1 (en)
JP (1) JP3678752B2 (en)
CA (1) CA2202613C (en)
DE (1) DE69532654T2 (en)
WO (1) WO1996013214A1 (en)

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JP4554751B2 (en) * 2000-02-23 2010-09-29 Ｈｏｙａ株式会社 Endoscopy tissue collection tool
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US7850650B2 (en) 2005-07-11 2010-12-14 Covidien Ag Needle safety shield with reset
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US7517322B2 (en) * 2005-03-04 2009-04-14 Ethicon Endo-Surgery, Inc. Biopsy device with variable side aperture
US9332971B2 (en) * 2005-04-28 2016-05-10 Boston Scientific Scimed, Inc. Biopsy systems
US7878987B2 (en) * 2005-05-05 2011-02-01 The Regents Of The University Of California Methods and instruments for assessing bone fracture risk
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US7731692B2 (en) 2005-07-11 2010-06-08 Covidien Ag Device for shielding a sharp tip of a cannula and method of using the same
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US8394033B2 (en) * 2006-07-12 2013-03-12 Boston Scientific Scimed, Inc. Biopsy device
US20080119846A1 (en) * 2006-10-11 2008-05-22 Rioux Robert F Methods and apparatus for percutaneous patient access and subcutaneous tissue tunneling
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JP2010536472A (en) * 2007-08-20 2010-12-02 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア Method and apparatus for measuring mechanical properties of tissue
US8357104B2 (en) 2007-11-01 2013-01-22 Coviden Lp Active stylet safety shield
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US20090149774A1 (en) * 2007-12-06 2009-06-11 Ebi, L.P. bone marrow aspiration needle
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US8920416B2 (en) * 2009-09-30 2014-12-30 Boston Scientific Scimed, Inc. Medical probe with translatable co-access cannula
US9060759B2 (en) 2011-03-31 2015-06-23 Cook Medical Technologies Llc Adjustable-throw biopsy needle
US10448930B2 (en) * 2011-05-04 2019-10-22 Cook Medical Technologies Llc Methods and devices for maximizing tissue collection in partial-core biopsy needles
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US11172912B2 (en) * 2014-09-23 2021-11-16 Innovasci Llc Biopsy needle and medical device incorporating the same
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Also Published As

Publication number Publication date
CA2202613C (en) 2006-06-06
JP3678752B2 (en) 2005-08-03
EP0841874A1 (en) 1998-05-20
DE69532654T2 (en) 2005-05-25
JPH10507952A (en) 1998-08-04
US5989196A (en) 1999-11-23
EP0841874A4 (en) 1998-05-20
EP0841874B1 (en) 2004-03-03
WO1996013214A1 (en) 1996-05-09
DE69532654D1 (en) 2004-04-08

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Legal Events

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EEER Examination request
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