CA2348580A1 - Optical-acoustic imaging device - Google Patents

Optical-acoustic imaging device Download PDF

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Publication number
CA2348580A1
CA2348580A1 CA002348580A CA2348580A CA2348580A1 CA 2348580 A1 CA2348580 A1 CA 2348580A1 CA 002348580 A CA002348580 A CA 002348580A CA 2348580 A CA2348580 A CA 2348580A CA 2348580 A1 CA2348580 A1 CA 2348580A1
Authority
CA
Canada
Prior art keywords
imaging
guide wire
vascular
imaging device
enable
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
CA002348580A
Other languages
French (fr)
Other versions
CA2348580C (en
Inventor
Evgeni Spivak
Gil M. Vardi
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.)
Phyzhon Health Inc
Original Assignee
Evgeni Spivak
Gil M. Vardi
Vascular Imaging 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 Evgeni Spivak, Gil M. Vardi, Vascular Imaging Corporation filed Critical Evgeni Spivak
Publication of CA2348580A1 publication Critical patent/CA2348580A1/en
Application granted granted Critical
Publication of CA2348580C publication Critical patent/CA2348580C/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
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
    • A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
    • A61B5/0097—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying acoustic waves and detecting light, i.e. acoustooptic measurements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/56—Details of data transmission or power supply
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • 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
    • A61B2017/22038—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 with a guide wire
    • A61B2017/22042—Details of the tip of the guide wire
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, 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
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361—Image-producing devices, e.g. surgical cameras
    • A61B2090/3614—Image-producing devices, e.g. surgical cameras using optical fibre

Abstract

The present invention is a guide wire imaging device for vascular or non-vascular imaging utilizing optic acoustical methods, which device has a profile of less than 1 mm in diameter. The ultrasound imaging device of the invention comprises a single mode optical fiber with at least one Bragg grating (8), and a piezoelectric or piezo-ceramic jacket (31), which device may achieve omnidirectional (360°) imaging. The imaging guide wire of the invention can function as the guide wire for vascular interventions, can enable real time imaging during balloon inflation, and stent deployment, thus will provide clinical information that is not available when catheter based imaging systems are used. The device of the invention may enable shortened total procedure times, including the fluoroscopy time, will also reduce radiation exposure to the patient, and the operator.
CA002348580A 1998-03-05 1999-03-05 Optical-acoustic imaging device Expired - Fee Related CA2348580C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7686298P 1998-03-05 1998-03-05
US60/076,862 1998-03-05
PCT/US1999/004913 WO1999058059A1 (en) 1998-03-05 1999-03-05 Optical-acoustic imaging device

Publications (2)

Publication Number Publication Date
CA2348580A1 true CA2348580A1 (en) 1999-11-18
CA2348580C CA2348580C (en) 2009-07-14

Family

ID=22134628

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002348580A Expired - Fee Related CA2348580C (en) 1998-03-05 1999-03-05 Optical-acoustic imaging device

Country Status (8)

Country Link
US (4) US6659957B1 (en)
EP (1) EP1059878B1 (en)
JP (1) JP4463983B2 (en)
AT (1) ATE308923T1 (en)
AU (1) AU5948499A (en)
CA (1) CA2348580C (en)
DE (1) DE69928231T2 (en)
WO (1) WO1999058059A1 (en)

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EP1059878A4 (en) 2004-04-28
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US20040082844A1 (en) 2004-04-29
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EP1059878A1 (en) 2000-12-20
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US20150190113A1 (en) 2015-07-09
US7527594B2 (en) 2009-05-05
US9532766B2 (en) 2017-01-03
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US8926519B2 (en) 2015-01-06
US6659957B1 (en) 2003-12-09

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