EP1871261A4 - Medical instrument with indented loop and associated method - Google Patents

Medical instrument with indented loop and associated method

Info

Publication number
EP1871261A4
EP1871261A4 EP05735548A EP05735548A EP1871261A4 EP 1871261 A4 EP1871261 A4 EP 1871261A4 EP 05735548 A EP05735548 A EP 05735548A EP 05735548 A EP05735548 A EP 05735548A EP 1871261 A4 EP1871261 A4 EP 1871261A4
Authority
EP
European Patent Office
Prior art keywords
loop
tubular member
wire
size
medical instrument
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.)
Withdrawn
Application number
EP05735548A
Other languages
German (de)
French (fr)
Other versions
EP1871261A1 (en
Inventor
Naomi Nakao
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.)
Granit Medical Innovations LLC
Original Assignee
Granit Medical Innovations LLC
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 Granit Medical Innovations LLC filed Critical Granit Medical Innovations LLC
Publication of EP1871261A1 publication Critical patent/EP1871261A1/en
Publication of EP1871261A4 publication Critical patent/EP1871261A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/32056—Surgical snare instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00287—Bags for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
    • A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320064—Surgical cutting instruments with tissue or sample retaining means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1407—Loop
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1407—Loop
    • A61B2018/141—Snare

Abstract

A medical cauterization snare includes a tubular member (12) such as a catheter, a rod or wire disposed at least partially inside the tubular member, and a resilient loop (18) of a first size attached to a distal end of the rod or wire. The loop includes a nose on a side of the loop opposite the wire. The loop further includes two loop sections (28,30) each extending between the wire and the nose. The loop sections are each formed with a respective notch or dent (32,34) for enabling a use of the loop in a second size smaller than the first size. Positioning the loop relative to the tubular member so that the notches or dents are disposed at a mouth opening of the tubular member generates this secondary deployment configuration.
EP05735548A 2005-04-12 2005-04-12 Medical instrument with indented loop and associated method Withdrawn EP1871261A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2005/012249 WO2006112813A1 (en) 2005-04-12 2005-04-12 Medical instrument with indented loop and associated method

Publications (2)

Publication Number Publication Date
EP1871261A1 EP1871261A1 (en) 2008-01-02
EP1871261A4 true EP1871261A4 (en) 2010-07-07

Family

ID=37115424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05735548A Withdrawn EP1871261A4 (en) 2005-04-12 2005-04-12 Medical instrument with indented loop and associated method

Country Status (2)

Country Link
EP (1) EP1871261A4 (en)
WO (1) WO2006112813A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017136188A (en) * 2016-02-03 2017-08-10 株式会社八光 Snare for endoscope

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5681324A (en) * 1993-06-16 1997-10-28 Ethicon, Inc. Surgical tissue retrieval instrument
US5752961A (en) * 1996-03-25 1998-05-19 The University Of Kentucky Research Foundation Angled snare assembly
US5906621A (en) * 1996-05-14 1999-05-25 United States Endoscopy Group, Inc. Endoscopic surgical device
US6007546A (en) * 1998-10-26 1999-12-28 Boston Scientific Ltd. Injection snare
US6348056B1 (en) * 1999-08-06 2002-02-19 Scimed Life Systems, Inc. Medical retrieval device with releasable retrieval basket
US20050085808A1 (en) * 2003-10-16 2005-04-21 Nakao Naomi L. Medical instrument with indented loop and associated method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2011258A (en) * 1977-11-18 1979-07-11 Wolf Gmbh Richard Device for removing excrescences and polyps
US4256113A (en) * 1977-12-08 1981-03-17 Chamness Dale L Surgical apparatus
US5207686A (en) * 1992-04-15 1993-05-04 Stuart Dolgin Surgical snare
JP3426510B2 (en) * 1998-07-27 2003-07-14 ペンタックス株式会社 High frequency snare for endoscope

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5681324A (en) * 1993-06-16 1997-10-28 Ethicon, Inc. Surgical tissue retrieval instrument
US5752961A (en) * 1996-03-25 1998-05-19 The University Of Kentucky Research Foundation Angled snare assembly
US5906621A (en) * 1996-05-14 1999-05-25 United States Endoscopy Group, Inc. Endoscopic surgical device
US6007546A (en) * 1998-10-26 1999-12-28 Boston Scientific Ltd. Injection snare
US6348056B1 (en) * 1999-08-06 2002-02-19 Scimed Life Systems, Inc. Medical retrieval device with releasable retrieval basket
US20050085808A1 (en) * 2003-10-16 2005-04-21 Nakao Naomi L. Medical instrument with indented loop and associated method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006112813A1 *

Also Published As

Publication number Publication date
EP1871261A1 (en) 2008-01-02
WO2006112813A1 (en) 2006-10-26

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20071030

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20100609

RIC1 Information provided on ipc code assigned before grant

Ipc: A61B 17/32 20060101ALN20100602BHEP

Ipc: A61B 10/04 20060101ALI20100602BHEP

Ipc: A61B 18/14 20060101AFI20100602BHEP

Ipc: A61B 17/221 20060101ALI20100602BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20131105