CA2333015A1 - Pressure applicator devices particularly useful for non-invasive detection of medical conditions - Google Patents

Pressure applicator devices particularly useful for non-invasive detection of medical conditions Download PDF

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Publication number
CA2333015A1
CA2333015A1 CA002333015A CA2333015A CA2333015A1 CA 2333015 A1 CA2333015 A1 CA 2333015A1 CA 002333015 A CA002333015 A CA 002333015A CA 2333015 A CA2333015 A CA 2333015A CA 2333015 A1 CA2333015 A1 CA 2333015A1
Authority
CA
Canada
Prior art keywords
patient
distal end
finger
particularly useful
probe
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
CA002333015A
Other languages
French (fr)
Other versions
CA2333015C (en
Inventor
Robert P. Schnall
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.)
Itamar Medical CM 1997 Ltd
Original Assignee
Robert P. Schnall
Itamar Medical (Cm) 1997 Ltd.
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 Robert P. Schnall, Itamar Medical (Cm) 1997 Ltd. filed Critical Robert P. Schnall
Publication of CA2333015A1 publication Critical patent/CA2333015A1/en
Application granted granted Critical
Publication of CA2333015C publication Critical patent/CA2333015C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61B5/6801—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
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • 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
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1073—Measuring volume, e.g. of limbs
    • 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
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6838—Clamps or clips

Abstract

A probe for application to a body part, particularly a finger of a patient to detect a change in the physical condition of the patient includes a housing (2) defining a compartment (3) closed at one end, open at the opposite end for receiving a distal end of the patient's finger, a means (10) constituted of a medium wholly self-contained within the probe for applying a static pressure field substantially uniformly around the distal end of the patient's finger, of a predetermined magnitude sufficient to substantially prevent distention of the venous vasculature, uncontrolled venous back flow; retrograde shockwave propagation into the distal end, and to partially unload the wall tension of, but not to occlude, the arteries in the distal end when at heart level or below. A sensor (6a) senses changes in the distal end of the patient's finger related to changes in arterial blood volume therein.
CA002333015A 1998-06-07 1999-06-02 Pressure applicator devices particularly useful for non-invasive detection of medical conditions Expired - Lifetime CA2333015C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL124787 1998-06-07
IL12478798A IL124787A0 (en) 1998-06-07 1998-06-07 Pressure applicator devices particularly useful for non-invasive detection of medical conditions
PCT/IL1999/000292 WO1999063884A1 (en) 1998-06-07 1999-06-02 Pressure applicator devices particularly useful for non-invasive detection of medical conditions

Publications (2)

Publication Number Publication Date
CA2333015A1 true CA2333015A1 (en) 1999-12-16
CA2333015C CA2333015C (en) 2009-10-27

Family

ID=11071589

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002333015A Expired - Lifetime CA2333015C (en) 1998-06-07 1999-06-02 Pressure applicator devices particularly useful for non-invasive detection of medical conditions

Country Status (14)

Country Link
US (3) US6461305B1 (en)
EP (1) EP1083823B1 (en)
JP (1) JP4455756B2 (en)
KR (1) KR100610390B1 (en)
CN (2) CN1286429C (en)
AT (1) ATE402654T1 (en)
AU (1) AU759850B2 (en)
CA (1) CA2333015C (en)
DE (1) DE69939213D1 (en)
ES (1) ES2310041T3 (en)
HK (1) HK1037501A1 (en)
IL (1) IL124787A0 (en)
NZ (1) NZ508085A (en)
WO (1) WO1999063884A1 (en)

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