WO2006042234A3 - Compact apparatus and methods for non-invasively measuring hemodynamic parameters - Google Patents

Compact apparatus and methods for non-invasively measuring hemodynamic parameters Download PDF

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Publication number
WO2006042234A3
WO2006042234A3 PCT/US2005/036428 US2005036428W WO2006042234A3 WO 2006042234 A3 WO2006042234 A3 WO 2006042234A3 US 2005036428 W US2005036428 W US 2005036428W WO 2006042234 A3 WO2006042234 A3 WO 2006042234A3
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WO
WIPO (PCT)
Prior art keywords
sensor
methods
subject
alignment apparatus
hemodynamic parameters
Prior art date
Application number
PCT/US2005/036428
Other languages
French (fr)
Other versions
WO2006042234A2 (en
Inventor
Simon E Finburgh
Mark W Perona
Russell D Hempstead
Original Assignee
Tensys Medical Inc
Simon E Finburgh
Mark W Perona
Russell D Hempstead
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 Tensys Medical Inc, Simon E Finburgh, Mark W Perona, Russell D Hempstead filed Critical Tensys Medical Inc
Publication of WO2006042234A2 publication Critical patent/WO2006042234A2/en
Publication of WO2006042234A3 publication Critical patent/WO2006042234A3/en

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Classifications

    • 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
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • 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
    • 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
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/681—Wristwatch-type devices

Abstract

Improved apparatus and methods for non-invasively assessing one or more hemodynamic parameters associated with the circulatory system of a living organism. In one aspect, the invention comprises spatially compact 'bracelet' embodiment adapted to accurately place and maintain a sensor (e.g., tonometric pressure sensor) with respect to the anatomy of the subject, including an optional alignment apparatus which moveably captures the sensor to, inter alia, facilitate coupling thereof to an actuator used to position the sensor during measurements. The alignment apparatus also advantageously allows the sensor position to be maintained when the fixture is removed from the subject, such as during patient transport. A completely autonomous variant of the bracelet apparatus having internal power supply and wireless interfaces is also disclosed. Methods for positioning the alignment apparatus and sensor and providing treatment to the subject are also described.
PCT/US2005/036428 2004-10-07 2005-10-06 Compact apparatus and methods for non-invasively measuring hemodynamic parameters WO2006042234A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/961,460 US7946994B2 (en) 2004-10-07 2004-10-07 Compact apparatus and methods for non-invasively measuring hemodynamic parameters
US10/961,460 2004-10-07

Publications (2)

Publication Number Publication Date
WO2006042234A2 WO2006042234A2 (en) 2006-04-20
WO2006042234A3 true WO2006042234A3 (en) 2006-11-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/036428 WO2006042234A2 (en) 2004-10-07 2005-10-06 Compact apparatus and methods for non-invasively measuring hemodynamic parameters

Country Status (2)

Country Link
US (2) US7946994B2 (en)
WO (1) WO2006042234A2 (en)

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