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WO2002000118A3 - Pressure gradient measurement for detection of shunt stenosis - Google Patents

Pressure gradient measurement for detection of shunt stenosis Download PDF

Info

Publication number
WO2002000118A3
WO2002000118A3 PCT/US2001/020163 US0120163W WO0200118A3 WO 2002000118 A3 WO2002000118 A3 WO 2002000118A3 US 0120163 W US0120163 W US 0120163W WO 0200118 A3 WO0200118 A3 WO 0200118A3
Authority
WO
WIPO (PCT)
Prior art keywords
transducer
output
detection
pressure gradient
gradient measurement
Prior art date
Application number
PCT/US2001/020163
Other languages
French (fr)
Other versions
WO2002000118A2 (en
Inventor
Eric M Weissman
Elmer D Dickens
Original Assignee
Noveon Ip Holdings Corp
Eric M Weissman
Elmer D Dickens
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 Noveon Ip Holdings Corp, Eric M Weissman, Elmer D Dickens filed Critical Noveon Ip Holdings Corp
Priority to AU2001271425A priority Critical patent/AU2001271425A1/en
Publication of WO2002000118A2 publication Critical patent/WO2002000118A2/en
Publication of WO2002000118A3 publication Critical patent/WO2002000118A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • 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
    • A61B5/6867—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 specially adapted to be attached or implanted in a specific body part
    • A61B5/6876—Blood vessel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0031—Implanted circuitry
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • A61B5/02014—Determining aneurysm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • 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
    • A61B5/6862—Stents
    • 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
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • A61M1/3656—Monitoring patency or flow at connection sites; Detecting disconnections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00681—Aspects not otherwise provided for
    • A61B2017/00725—Calibration or performance testing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/028—Microscale sensors, e.g. electromechanical sensors [MEMS]
    • 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
    • A61B8/4472—Wireless probes

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Anesthesiology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Neurosurgery (AREA)
  • Physiology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • External Artificial Organs (AREA)

Abstract

The present invention relates to an implantable medical device, including a structure implantable within a living animal, at least one transducer/sensing element attached to vasculature adjacent the structure; the at least one transducer/sensing element being operatively configured to indicate a parameter associated with blood flow by producing an output which varies as a function of the parameter; and a communication element operatively coupled to the output of the at least one transducer/sensing elements, the communication element being configured to communicate information based on the output of the at least one transducer/sensing elements wirelessly to a remote element located outside the living animal.
PCT/US2001/020163 2000-06-27 2001-06-25 Pressure gradient measurement for detection of shunt stenosis WO2002000118A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001271425A AU2001271425A1 (en) 2000-06-27 2001-06-25 Pressure gradient measurement for detection of shunt stenosis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21470600P 2000-06-27 2000-06-27
US60/214,706 2000-06-27

Publications (2)

Publication Number Publication Date
WO2002000118A2 WO2002000118A2 (en) 2002-01-03
WO2002000118A3 true WO2002000118A3 (en) 2002-03-21

Family

ID=22800124

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/020163 WO2002000118A2 (en) 2000-06-27 2001-06-25 Pressure gradient measurement for detection of shunt stenosis

Country Status (2)

Country Link
AU (1) AU2001271425A1 (en)
WO (1) WO2002000118A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8870742B2 (en) 2006-04-06 2014-10-28 Ethicon Endo-Surgery, Inc. GUI for an implantable restriction device and a data logger

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6702847B2 (en) 2001-06-29 2004-03-09 Scimed Life Systems, Inc. Endoluminal device with indicator member for remote detection of endoleaks and/or changes in device morphology
US20070163353A1 (en) * 2005-12-07 2007-07-19 Drexel University Detection of blood pressure and blood pressure waveform
WO2014117037A1 (en) 2013-01-24 2014-07-31 GraftWorx, LLC Method and apparatus for measuring flow through a lumen
US9924905B2 (en) * 2015-03-09 2018-03-27 Graftworx, Inc. Sensor position on a prosthesis for detection of a stenosis
WO2018049412A1 (en) 2016-09-12 2018-03-15 Graftworx, Inc. Wearable device with multimodal diagnostics
US20230172537A1 (en) * 2021-12-03 2023-06-08 Hong Kong Centre for Cerebro-Cardiovascular Health Engineering Limited Intelligent vascular graft

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0897690A1 (en) * 1997-08-15 1999-02-24 Rijksuniversiteit te Leiden Pressure sensor for use in an artery
US5967986A (en) * 1997-11-25 1999-10-19 Vascusense, Inc. Endoluminal implant with fluid flow sensing capability
WO2000032092A1 (en) * 1998-11-25 2000-06-08 Ball Semiconductor, Inc. Intraluminal monitoring system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0897690A1 (en) * 1997-08-15 1999-02-24 Rijksuniversiteit te Leiden Pressure sensor for use in an artery
US5967986A (en) * 1997-11-25 1999-10-19 Vascusense, Inc. Endoluminal implant with fluid flow sensing capability
WO2000032092A1 (en) * 1998-11-25 2000-06-08 Ball Semiconductor, Inc. Intraluminal monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8870742B2 (en) 2006-04-06 2014-10-28 Ethicon Endo-Surgery, Inc. GUI for an implantable restriction device and a data logger

Also Published As

Publication number Publication date
WO2002000118A2 (en) 2002-01-03
AU2001271425A1 (en) 2002-01-08

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