CA2242356A1 - Methods and apparatus for myocardial revascularization - Google Patents

Methods and apparatus for myocardial revascularization

Info

Publication number
CA2242356A1
CA2242356A1 CA002242356A CA2242356A CA2242356A1 CA 2242356 A1 CA2242356 A1 CA 2242356A1 CA 002242356 A CA002242356 A CA 002242356A CA 2242356 A CA2242356 A CA 2242356A CA 2242356 A1 CA2242356 A1 CA 2242356A1
Authority
CA
Canada
Prior art keywords
methods
probe
myocardial revascularization
distal end
heart tissue
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
CA002242356A
Other languages
French (fr)
Other versions
CA2242356C (en
Inventor
Shlomo Ben-Haim
Uri Yaron
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.)
Biosense Webster Inc
Original Assignee
Biosense, Inc.
Shlomo Ben-Haim
Uri Yaron
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 IL11669996A external-priority patent/IL116699A/en
Priority claimed from US08/595,365 external-priority patent/US5738096A/en
Application filed by Biosense, Inc., Shlomo Ben-Haim, Uri Yaron filed Critical Biosense, Inc.
Publication of CA2242356A1 publication Critical patent/CA2242356A1/en
Application granted granted Critical
Publication of CA2242356C publication Critical patent/CA2242356C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6856—Catheters with a distal loop
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    • 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
    • A61B17/22004—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 using mechanical vibrations, e.g. ultrasonic shock waves
    • A61B17/22012—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 using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
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    • A61B17/34—Trocars; Puncturing needles
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    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
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    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
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    • A61B5/026—Measuring blood flow
    • A61B5/029—Measuring or recording blood output from the heart, e.g. minute volume
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    • A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
    • A61B5/062—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using magnetic field
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    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
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    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
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    • A61B5/6853—Catheters with a balloon
    • A—HUMAN NECESSITIES
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    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6858—Catheters with a distal basket, e.g. expandable basket
    • A—HUMAN NECESSITIES
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    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6859—Catheters with multiple distal splines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0833—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving detecting or locating foreign bodies or organic structures
    • A61B8/0841—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving detecting or locating foreign bodies or organic structures for locating instruments
    • A—HUMAN NECESSITIES
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    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A—HUMAN NECESSITIES
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    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/3627—Heart stimulators for treating a mechanical deficiency of the heart, e.g. congestive heart failure or cardiomyopathy
    • A—HUMAN NECESSITIES
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    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
    • A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
    • A61N1/36564—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure controlled by blood pressure
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    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00243—Type of minimally invasive operation cardiac
    • A61B2017/00247—Making holes in the wall of the heart, e.g. laser Myocardial revascularization
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    • A61B17/22004—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 using mechanical vibrations, e.g. ultrasonic shock waves
    • A61B2017/22005—Effects, e.g. on tissue
    • A61B2017/22007—Cavitation or pseudocavitation, i.e. creation of gas bubbles generating a secondary shock wave when collapsing
    • A61B2017/22008—Cavitation or pseudocavitation, i.e. creation of gas bubbles generating a secondary shock wave when collapsing used or promoted
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    • A61B2018/00053—Mechanical features of the instrument of device
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    • A61B2018/00291—Anchoring means for temporary attachment of a device to tissue using suction
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    • A61B2018/00345—Vascular system
    • A61B2018/00351—Heart
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    • A61B2090/3954—Markers, e.g. radio-opaque or breast lesions markers magnetic, e.g. NMR or MRI
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    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M2025/0166—Sensors, electrodes or the like for guiding the catheter to a target zone, e.g. image guided or magnetically guided
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    • A61N1/368—Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions
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Abstract

An elongate probe for providing irradiation treatment of the heart, said probe having a distal end for engaging heart tissue of a subject, including a waveguide, which conveys radiation to the heart tissue; and a sensor, adjacent the distal end of the probe, which generates signals for use in controlling the treatment.
CA002242356A 1996-01-08 1997-01-08 Methods and apparatus for myocardial revascularization Expired - Lifetime CA2242356C (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
IL11669996A IL116699A (en) 1996-01-08 1996-01-08 Method of constructing cardiac map
IL116699 1996-01-08
US976996P 1996-01-11 1996-01-11
US60/009,769 1996-01-11
US08/595,365 1996-02-01
US08/595,365 US5738096A (en) 1993-07-20 1996-02-01 Cardiac electromechanics
US1172196P 1996-02-15 1996-02-15
US60/011,721 1996-02-15
PCT/IL1997/000011 WO1997025101A2 (en) 1996-01-08 1997-01-08 Methods and apparatus for myocardial revascularization
IL12611697A IL126116A (en) 1996-01-08 1997-09-15 Monitoring of myocardial revascularization

Publications (2)

Publication Number Publication Date
CA2242356A1 true CA2242356A1 (en) 1997-07-17
CA2242356C CA2242356C (en) 2005-08-23

Family

ID=38657134

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002242356A Expired - Lifetime CA2242356C (en) 1996-01-08 1997-01-08 Methods and apparatus for myocardial revascularization

Country Status (8)

Country Link
US (1) US6171303B1 (en)
EP (1) EP0888150B1 (en)
JP (1) JP4208054B2 (en)
AU (1) AU712539B2 (en)
CA (1) CA2242356C (en)
DE (1) DE69728257T2 (en)
IL (2) IL125259A (en)
WO (1) WO1997025101A2 (en)

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JP2002511774A (en) * 1996-07-28 2002-04-16 バイオセンス・インコーポレイテッド Electromagnetic heart biostimulation
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US5947989A (en) * 1996-12-12 1999-09-07 United States Surgical Corporation Method and apparatus for transmyocardial revascularization
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US6171303B1 (en) 2001-01-09
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