BR8604395A - Cateter orientavel para medir a velocidade de um fluido biologico - Google Patents

Cateter orientavel para medir a velocidade de um fluido biologico

Info

Publication number
BR8604395A
BR8604395A BR8604395A BR8604395A BR8604395A BR 8604395 A BR8604395 A BR 8604395A BR 8604395 A BR8604395 A BR 8604395A BR 8604395 A BR8604395 A BR 8604395A BR 8604395 A BR8604395 A BR 8604395A
Authority
BR
Brazil
Prior art keywords
catheter
blood
measure
passageway
speed
Prior art date
Application number
BR8604395A
Other languages
English (en)
Inventor
Huntly D Millar
Original Assignee
Pfizer Hospital Prod
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 Pfizer Hospital Prod filed Critical Pfizer Hospital Prod
Publication of BR8604395A publication Critical patent/BR8604395A/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • 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
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/445—Details of catheter construction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61M25/10—Balloon catheters

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Child & Adolescent Psychology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • External Artificial Organs (AREA)
BR8604395A 1985-09-13 1986-09-12 Cateter orientavel para medir a velocidade de um fluido biologico BR8604395A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/775,857 US4665925A (en) 1985-09-13 1985-09-13 Doppler catheter

Publications (1)

Publication Number Publication Date
BR8604395A true BR8604395A (pt) 1987-05-12

Family

ID=25105738

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8604395A BR8604395A (pt) 1985-09-13 1986-09-12 Cateter orientavel para medir a velocidade de um fluido biologico

Country Status (10)

Country Link
US (1) US4665925A (pt)
EP (1) EP0224997B1 (pt)
AT (1) ATE57463T1 (pt)
AU (1) AU569824B2 (pt)
BR (1) BR8604395A (pt)
CA (1) CA1286368C (pt)
DE (1) DE3674986D1 (pt)
DK (1) DK437486A (pt)
ES (1) ES2001683A6 (pt)
ZA (1) ZA866995B (pt)

Families Citing this family (120)

* Cited by examiner, † Cited by third party
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IT1199942B (it) * 1985-02-07 1989-01-05 Biotronix Srl Strumento di rilevazione della sezione circolare equivalente in area alla sezione di un vaso sanguigno
US4758221A (en) * 1986-02-18 1988-07-19 St. Louis University Catheter with a tip manipulation feature
US6585657B2 (en) 1986-04-15 2003-07-01 Scimed Life Systems, Inc. Angioplasty apparatus facilitating rapid exchanges
US5350395A (en) * 1986-04-15 1994-09-27 Yock Paul G Angioplasty apparatus facilitating rapid exchanges
US6702750B2 (en) 1986-04-15 2004-03-09 Cardiovascular Imaging Systems, Inc. Angioplasty apparatus facilitating rapid exchanges and methods
JP2653792B2 (ja) * 1986-07-18 1997-09-17 ハウメディカ・インコーポレーテッド 血液速度測定ワイヤガイド
US4991588A (en) * 1986-07-21 1991-02-12 Pfizer Hospital Products Group, Inc. Doppler guide wire
US4938220A (en) * 1986-08-01 1990-07-03 Advanced Cardiovascular Systems, Inc. Catheter with split tip marker and method of manufacture
US4887606A (en) * 1986-09-18 1989-12-19 Yock Paul G Apparatus for use in cannulation of blood vessels
US4844080A (en) * 1987-02-19 1989-07-04 Michael Frass Ultrasound contact medium dispenser
US5105818A (en) * 1987-04-10 1992-04-21 Cardiometric, Inc. Apparatus, system and method for measuring spatial average velocity and/or volumetric flow of blood in a vessel and screw joint for use therewith
EP0286359A3 (en) * 1987-04-10 1991-12-11 Cardiometrics, Inc. Apparatus, system and method for measuring volumetric flow of blood in a vessel
US4793359A (en) * 1987-04-24 1988-12-27 Gv Medical, Inc. Centering balloon structure for transluminal angioplasty catheter
US4841977A (en) * 1987-05-26 1989-06-27 Inter Therapy, Inc. Ultra-thin acoustic transducer and balloon catheter using same in imaging array subassembly
US4819751A (en) * 1987-10-16 1989-04-11 Baxter Travenol Laboratories, Inc. Valvuloplasty catheter and method
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US4869263A (en) * 1988-02-04 1989-09-26 Cardiometrics, Inc. Device and method for measuring volumetric blood flow in a vessel
US4899757A (en) * 1988-02-22 1990-02-13 Intertherapy, Inc. Ultrasound imaging probe with zero dead space
US5372138A (en) * 1988-03-21 1994-12-13 Boston Scientific Corporation Acousting imaging catheters and the like
US4936826A (en) * 1988-10-24 1990-06-26 Amarasinghe Disamodha C Vena cava window
US5240437A (en) * 1988-11-02 1993-08-31 Cardiometrics, Inc. Torqueable guide wire assembly with electrical functions, male and female connectors for use therewith and system and apparatus for utilizing the same
US5035705A (en) * 1989-01-13 1991-07-30 Scimed Life Systems, Inc. Method of purging a balloon catheter
US5454789A (en) * 1989-01-13 1995-10-03 Scimed Life Systems, Inc. Innerless dilatation balloon catheter
US5085636A (en) * 1989-01-13 1992-02-04 Scimed Life Systems, Inc. Balloon catheter with inflation-deflation valve
US5100385A (en) * 1989-01-27 1992-03-31 C. R. Bard, Inc. Fast purge balloon dilatation catheter
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US5109861A (en) * 1989-04-28 1992-05-05 Thomas Jefferson University Intravascular, ultrasonic imaging catheters and methods for making same
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US6179856B1 (en) * 1989-07-05 2001-01-30 Medtronic Ave, Inc. Coaxial PTCA catheter with anchor joint
US5038789A (en) * 1989-09-28 1991-08-13 Frazin Leon J Method and device for doppler-guided retrograde catheterization
US5220924A (en) * 1989-09-28 1993-06-22 Frazin Leon J Doppler-guided retrograde catheterization using transducer equipped guide wire
US5190045A (en) * 1989-09-28 1993-03-02 Frazin Leon J Method and device for doppler-guided and imaged retrograde catheterization
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US5156595A (en) * 1989-12-28 1992-10-20 Scimed Life Systems, Inc. Dilatation balloon catheter and method of manufacturing
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US5076278A (en) * 1990-10-15 1991-12-31 Catheter Technology Co. Annular ultrasonic transducers employing curved surfaces useful in catheter localization
US5254112A (en) * 1990-10-29 1993-10-19 C. R. Bard, Inc. Device for use in laser angioplasty
US5135001A (en) * 1990-12-05 1992-08-04 C. R. Bard, Inc. Ultrasound sheath for medical diagnostic instruments
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US5403339A (en) * 1991-06-21 1995-04-04 Terumo Kabushiki Kaisha Blood vessel dilator
JP3144849B2 (ja) * 1991-09-30 2001-03-12 株式会社東芝 循環器用診断装置
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US5271406A (en) * 1992-05-22 1993-12-21 Diagnostic Devices Group, Limited Low-profile ultrasonic transducer incorporating static beam steering
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US20070016071A1 (en) * 1993-02-01 2007-01-18 Volcano Corporation Ultrasound transducer assembly
US5368037A (en) * 1993-02-01 1994-11-29 Endosonics Corporation Ultrasound catheter
US5453575A (en) 1993-02-01 1995-09-26 Endosonics Corporation Apparatus and method for detecting blood flow in intravascular ultrasonic imaging
EP0778746B1 (en) 1994-09-02 2006-01-11 Volcano Therapeutics, Inc. Ultra miniature pressure sensor and guidewire using the same
NL9500283A (nl) * 1994-10-21 1996-06-03 Cordis Europ Catheter met leiddraadkanaal.
US5690115A (en) * 1995-09-21 1997-11-25 Feldman; Charles L. Detecting vascular stenosis in chronic hemodialysis patients
US5902248A (en) * 1996-11-06 1999-05-11 Millar Instruments, Inc. Reduced size catheter tip measurement device
US5857974A (en) * 1997-01-08 1999-01-12 Endosonics Corporation High resolution intravascular ultrasound transducer assembly having a flexible substrate
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US20050059925A1 (en) * 1999-01-15 2005-03-17 Maginot Thomas J. Catheter systems and associated methods
US6475207B1 (en) 1999-01-15 2002-11-05 Maginot Catheter Technologies, Inc. Retractable catheter systems and associated methods
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US6743218B2 (en) 1999-01-15 2004-06-01 Cathlogic, Inc. Retractable catheter systems and associated methods
US6585705B1 (en) 1999-01-15 2003-07-01 Maginot Catheter Technologies, Inc. Retractable catheter systems
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US6584362B1 (en) 2000-08-30 2003-06-24 Cardiac Pacemakers, Inc. Leads for pacing and/or sensing the heart from within the coronary veins
US6501992B1 (en) * 2000-10-17 2002-12-31 Medtronic, Inc. Radiopaque marking of lead electrode zone in a continuous conductor construction
US6480740B2 (en) 2000-12-26 2002-11-12 Cardiac Pacemakers, Inc. Safety pacing in multi-site CRM devices
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US20090088827A1 (en) * 2007-10-02 2009-04-02 Cardiac Pacemakers, Inc Lead assembly providing sensing or stimulation of spaced-apart myocardial contact areas
US10449330B2 (en) 2007-11-26 2019-10-22 C. R. Bard, Inc. Magnetic element-equipped needle assemblies
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Also Published As

Publication number Publication date
CA1286368C (en) 1991-07-16
US4665925A (en) 1987-05-19
AU569824B2 (en) 1988-02-18
DK437486D0 (da) 1986-09-12
EP0224997A1 (en) 1987-06-10
ZA866995B (en) 1988-04-27
ATE57463T1 (de) 1990-11-15
ES2001683A6 (es) 1988-06-01
AU6269786A (en) 1987-03-19
EP0224997B1 (en) 1990-10-17
DE3674986D1 (de) 1990-11-22
DK437486A (da) 1987-03-14

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Legal Events

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B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 12/09/2001