WO2002065894A3 - Endocardial pressure measurement - Google Patents

Endocardial pressure measurement Download PDF

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Publication number
WO2002065894A3
WO2002065894A3 PCT/US2002/004648 US0204648W WO02065894A3 WO 2002065894 A3 WO2002065894 A3 WO 2002065894A3 US 0204648 W US0204648 W US 0204648W WO 02065894 A3 WO02065894 A3 WO 02065894A3
Authority
WO
WIPO (PCT)
Prior art keywords
distal portion
proximal portion
pressure measurement
catheter
endocardial
Prior art date
Application number
PCT/US2002/004648
Other languages
French (fr)
Other versions
WO2002065894A2 (en
WO2002065894A8 (en
Inventor
Brian Brockway
Gregory Doten
Michael Holtz
Michael L Kalm
Scott Kuehn
Scott Lambert
Gregg Lichtscheidl
Perry Mills
Oleg Mosesov
Demetre M Nicoloff
Karen Odden
Soon Park
Christopher Quinn
Alyse Stofer
Jeff Taylor
Justin Vanhee
Lynn Zwiers
Original Assignee
Data Sciences Int Inc
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 Data Sciences Int Inc filed Critical Data Sciences Int Inc
Priority to JP2002565466A priority Critical patent/JP4184795B2/en
Priority to CA002438394A priority patent/CA2438394A1/en
Priority to EP02721017A priority patent/EP1367934A4/en
Priority to AU2002251973A priority patent/AU2002251973A1/en
Publication of WO2002065894A2 publication Critical patent/WO2002065894A2/en
Publication of WO2002065894A8 publication Critical patent/WO2002065894A8/en
Publication of WO2002065894A3 publication Critical patent/WO2002065894A3/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
    • A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • A61B5/031—Intracranial pressure
    • 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
    • A61B5/0026—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the transmission medium
    • A61B5/0028—Body tissue as transmission medium, i.e. transmission systems where the medium is the human body
    • 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 pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • A61B5/036—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs by means introduced into body tracts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • 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]
    • A61B5/283—Invasive
    • A61B5/29—Invasive for permanent or long-term implantation
    • 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
    • A61B5/6879—Means for maintaining contact with the body
    • A61B5/6882—Anchoring means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/16—Electric signal transmission systems in which transmission is by pulses
    • G08C19/24—Electric signal transmission systems in which transmission is by pulses using time shift of pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/493—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • 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
    • A61B5/0015—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
    • A61B5/0022—Monitoring a patient using a global network, e.g. telephone networks, internet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • 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]
    • A61B5/283—Invasive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
    • H04Q2209/43—Arrangements in telecontrol or telemetry systems using a wireless architecture using wireless personal area networks [WPAN], e.g. 802.15, 802.15.1, 802.15.4, Bluetooth or ZigBee

Abstract

Endocardial pressure measurement devices, systems and methods for effective treatment of congestive heart failure and its underlying causes, in addition to other clinical applications. A representative device includes an implantable pressure measuring system including a pressure transducer (31) and a fluid filled catheter (34), the catheter having a proximal portion (34A) and a distal portion (34B). The proximal portion (34a) is connected to the pressure transducer (31) and the distal portion (34b) has an opening (36) with a barrier (26). The proximal portion (34a) is relatively crush-resistant and the distal portion (34b) is relatively flexible.
PCT/US2002/004648 2001-02-19 2002-02-19 Endocardial pressure measurement WO2002065894A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2002565466A JP4184795B2 (en) 2001-02-19 2002-02-19 Endocardial pressure measurement
CA002438394A CA2438394A1 (en) 2001-02-19 2002-02-19 Devices, systems and methods for endocardial pressure measurement
EP02721017A EP1367934A4 (en) 2001-02-19 2002-02-19 Devices, systems and methods for endocardial pressure measurement
AU2002251973A AU2002251973A1 (en) 2001-02-19 2002-02-19 Endocardial pressure measurement

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US26992201P 2001-02-19 2001-02-19
US60/269,922 2001-02-19
US10/077,566 2002-02-15
US10/077,566 US20020120200A1 (en) 1997-10-14 2002-02-15 Devices, systems and methods for endocardial pressure measurement

Publications (3)

Publication Number Publication Date
WO2002065894A2 WO2002065894A2 (en) 2002-08-29
WO2002065894A8 WO2002065894A8 (en) 2002-12-19
WO2002065894A3 true WO2002065894A3 (en) 2003-04-10

Family

ID=26759407

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/004648 WO2002065894A2 (en) 2001-02-19 2002-02-19 Endocardial pressure measurement

Country Status (6)

Country Link
US (3) US20020120200A1 (en)
EP (1) EP1367934A4 (en)
JP (1) JP4184795B2 (en)
AU (1) AU2002251973A1 (en)
CA (1) CA2438394A1 (en)
WO (1) WO2002065894A2 (en)

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