CA2253915A1 - Continuous mesh emi shield for pulse oximetry sensor - Google Patents

Continuous mesh emi shield for pulse oximetry sensor

Info

Publication number
CA2253915A1
CA2253915A1 CA002253915A CA2253915A CA2253915A1 CA 2253915 A1 CA2253915 A1 CA 2253915A1 CA 002253915 A CA002253915 A CA 002253915A CA 2253915 A CA2253915 A CA 2253915A CA 2253915 A1 CA2253915 A1 CA 2253915A1
Authority
CA
Canada
Prior art keywords
pulse oximetry
emi shield
oximetry sensor
continuous mesh
photodetector
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
CA002253915A
Other languages
French (fr)
Other versions
CA2253915C (en
Inventor
Russell Delonzor
Al Namy
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.)
Nellcor Puritan Bennett LLC
Original Assignee
Nellcor Puritan Bennett Incorporated
Russell Delonzor
Al Namy
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 Nellcor Puritan Bennett Incorporated, Russell Delonzor, Al Namy filed Critical Nellcor Puritan Bennett Incorporated
Publication of CA2253915A1 publication Critical patent/CA2253915A1/en
Application granted granted Critical
Publication of CA2253915C publication Critical patent/CA2253915C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552Details of sensors specially adapted therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/259Coating or impregnation provides protection from radiation [e.g., U.V., visible light, I.R., micscheme-change-itemave, high energy particle, etc.] or heat retention thru radiation absorption

Abstract

An improved electromagnetic shield for a photodetector which uses a wire mesh screen laminated to an insulating layer. A portion of the wire mesh screen and laminated layer sandwich can then be cut out to provide an individual electromagnetic shield. The sandwich combination (24) is flexible, and can be easily wrapped around the photodetector (26). Preferably, an adhesive is on one side of the insulating layer, to allow the wrapped combination to adhere to the photodetector.
CA 2253915 1996-05-28 1997-05-27 Continuous mesh emi shield for pulse oximetry sensor Expired - Lifetime CA2253915C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/654,449 US5752914A (en) 1996-05-28 1996-05-28 Continuous mesh EMI shield for pulse oximetry sensor
US08/654,449 1996-05-28
PCT/US1997/009061 WO1997046069A1 (en) 1996-05-28 1997-05-27 Continuous mesh emi shield for pulse oximetry sensor

Publications (2)

Publication Number Publication Date
CA2253915A1 true CA2253915A1 (en) 1997-12-04
CA2253915C CA2253915C (en) 2001-12-18

Family

ID=24624910

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2253915 Expired - Lifetime CA2253915C (en) 1996-05-28 1997-05-27 Continuous mesh emi shield for pulse oximetry sensor

Country Status (6)

Country Link
US (1) US5752914A (en)
EP (1) EP1016338B1 (en)
JP (1) JP3307953B2 (en)
CA (1) CA2253915C (en)
DE (1) DE69730055T2 (en)
WO (1) WO1997046069A1 (en)

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US8068891B2 (en) 2006-09-29 2011-11-29 Nellcor Puritan Bennett Llc Symmetric LED array for pulse oximetry
US7476131B2 (en) 2006-09-29 2009-01-13 Nellcor Puritan Bennett Llc Device for reducing crosstalk
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US8265724B2 (en) 2007-03-09 2012-09-11 Nellcor Puritan Bennett Llc Cancellation of light shunting
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Also Published As

Publication number Publication date
DE69730055D1 (en) 2004-09-02
EP1016338A1 (en) 2000-07-05
JP2000504958A (en) 2000-04-25
WO1997046069A1 (en) 1997-12-04
US5752914A (en) 1998-05-19
CA2253915C (en) 2001-12-18
JP3307953B2 (en) 2002-07-29
EP1016338B1 (en) 2004-07-28
DE69730055T2 (en) 2005-08-11

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Effective date: 20170529