WO2005044079A3 - Apparatus and method for endoscopic cardiac mapping and lead placement - Google Patents

Apparatus and method for endoscopic cardiac mapping and lead placement Download PDF

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Publication number
WO2005044079A3
WO2005044079A3 PCT/US2004/034538 US2004034538W WO2005044079A3 WO 2005044079 A3 WO2005044079 A3 WO 2005044079A3 US 2004034538 W US2004034538 W US 2004034538W WO 2005044079 A3 WO2005044079 A3 WO 2005044079A3
Authority
WO
WIPO (PCT)
Prior art keywords
electrodes
sites
cardiac
signals
suction attachment
Prior art date
Application number
PCT/US2004/034538
Other languages
French (fr)
Other versions
WO2005044079A2 (en
Inventor
Albert K Chin
John Davis
Randy Westlund
Original Assignee
Origin Medsystems Inc
Albert K Chin
John Davis
Randy Westlund
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
Priority claimed from US10/174,454 external-priority patent/US20030187461A1/en
Application filed by Origin Medsystems Inc, Albert K Chin, John Davis, Randy Westlund filed Critical Origin Medsystems Inc
Priority to JP2006538086A priority Critical patent/JP2007509702A/en
Priority to EP04795673A priority patent/EP1689486A4/en
Publication of WO2005044079A2 publication Critical patent/WO2005044079A2/en
Publication of WO2005044079A3 publication Critical patent/WO2005044079A3/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
    • A61B17/3417Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421Cannulas
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064Constructional details of the endoscope body
    • A61B1/00071Insertion part of the endoscope body
    • A61B1/0008Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00094Suction openings
    • AHUMAN NECESSITIES
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    • A61B17/3403Needle locating or guiding means
    • AHUMAN NECESSITIES
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    • AHUMAN NECESSITIES
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    • A61B90/10Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/11Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
    • AHUMAN NECESSITIES
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    • A61B17/0487Suture clamps, clips or locks, e.g. for replacing suture knots; Instruments for applying or removing suture clamps, clips or locks
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    • A61B18/14Probes or electrodes therefor
    • A61B18/1482Probes or electrodes therefor having a long rigid shaft for accessing the inner body transcutaneously in minimal invasive surgery, e.g. laparoscopy
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    • A61B2017/00238Type of minimally invasive operation
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    • A61B2017/22072Implements 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 with an instrument channel, e.g. for replacing one instrument by the other
    • A61B2017/22074Implements 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 with an instrument channel, e.g. for replacing one instrument by the other the instrument being only slidable in a channel, e.g. advancing optical fibre through a channel
    • A61B2017/22077Implements 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 with an instrument channel, e.g. for replacing one instrument by the other the instrument being only slidable in a channel, e.g. advancing optical fibre through a channel with a part piercing the tissue
    • AHUMAN NECESSITIES
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    • A61B17/30Surgical pincettes without pivotal connections
    • A61B2017/306Surgical pincettes without pivotal connections holding by means of suction
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    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/30Surgical pincettes without pivotal connections
    • A61B2017/306Surgical pincettes without pivotal connections holding by means of suction
    • A61B2017/308Surgical pincettes without pivotal connections holding by means of suction with suction cups
    • AHUMAN NECESSITIES
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    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32Surgical cutting instruments
    • A61B2017/320044Blunt dissectors
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    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34Trocars; Puncturing needles
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    • A61B17/3421Cannulas
    • A61B2017/3445Cannulas used as instrument channel for multiple instruments
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    • A61B2017/3482Means for supporting the trocar against the body or retaining the trocar inside the body inside
    • A61B2017/3484Anchoring means, e.g. spreading-out umbrella-like structure
    • A61B2017/3488Fixation to inner organ or inner body tissue
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    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053Mechanical features of the instrument of device
    • A61B2018/00273Anchoring means for temporary attachment of a device to tissue
    • A61B2018/00291Anchoring means for temporary attachment of a device to tissue using suction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B2018/00315Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345Vascular system
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    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00982Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B90/03Automatic limiting or abutting means, e.g. for safety
    • A61B2090/033Abutting means, stops, e.g. abutting on tissue or skin
    • A61B2090/036Abutting means, stops, e.g. abutting on tissue or skin abutting on tissue or skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B90/06Measuring instruments not otherwise provided for
    • A61B2090/062Measuring instruments not otherwise provided for penetration depth
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
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Abstract

Apparatus and surgical methods establish temporary suction attachment to a target site on the surface of a beating heart for analyzing electrical signals or hemodynamic responses to applied signals at the target sites for enhancing the accuracy of placement of cardiac electrodes at selected sites and for enhancing accurate placement of a surgical instrument maintained in alignment with the suction attachment. A suction port on the distal end of a supporting cannula carries surface-contacting electrodes and provides suction attachment to facilitate temporary positioning of the electrodes in contact with tissue at the target site, and a clamping and release mechanism to facilitate anchoring a cardiac electrode on the moving surface of a beating heart at a selected site. Analyses of sensed signals or responses to applied signals at target sites promote epicardial mapping of a patient's heart for determining optimum sites at which to attach cardiac electrodes.
PCT/US2004/034538 2002-06-17 2004-10-19 Apparatus and method for endoscopic cardiac mapping and lead placement WO2005044079A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006538086A JP2007509702A (en) 2003-10-29 2004-10-19 Apparatus and method for endoscopic cardiac mapping and lead placement
EP04795673A EP1689486A4 (en) 2003-10-29 2004-10-19 Apparatus and method for endoscopic cardiac mapping and lead placement

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/174,454 US20030187461A1 (en) 1999-08-10 2002-06-17 Releasable guide and method for endoscopic cardiac lead placement
US10/697,906 US7526342B2 (en) 1999-08-10 2003-10-29 Apparatus for endoscopic cardiac mapping and lead placement
US10/697,906 2003-10-29

Publications (2)

Publication Number Publication Date
WO2005044079A2 WO2005044079A2 (en) 2005-05-19
WO2005044079A3 true WO2005044079A3 (en) 2006-02-02

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PCT/US2004/034538 WO2005044079A2 (en) 2002-06-17 2004-10-19 Apparatus and method for endoscopic cardiac mapping and lead placement

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US (1) US7526342B2 (en)
WO (1) WO2005044079A2 (en)

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