CA2358523A1 - Anatomical orifice sizers and methods of orifice sizing - Google Patents

Anatomical orifice sizers and methods of orifice sizing Download PDF

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Publication number
CA2358523A1
CA2358523A1 CA002358523A CA2358523A CA2358523A1 CA 2358523 A1 CA2358523 A1 CA 2358523A1 CA 002358523 A CA002358523 A CA 002358523A CA 2358523 A CA2358523 A CA 2358523A CA 2358523 A1 CA2358523 A1 CA 2358523A1
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CA
Canada
Prior art keywords
sizers
orifice
sizer
methods
valve
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
CA002358523A
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French (fr)
Other versions
CA2358523C (en
Inventor
Robert Stobie
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.)
Edwards Lifesciences Corp
Original Assignee
Edwards Lifesciences Corporation
Robert Stobie
Baxter International 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 Edwards Lifesciences Corporation, Robert Stobie, Baxter International Inc. filed Critical Edwards Lifesciences Corporation
Publication of CA2358523A1 publication Critical patent/CA2358523A1/en
Application granted granted Critical
Publication of CA2358523C publication Critical patent/CA2358523C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2409—Support rings therefor, e.g. for connecting valves to tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
    • A61F2/2496—Devices for determining the dimensions of the prosthetic valve to be implanted, e.g. templates, sizers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for

Abstract

Anatomical orifice sizers that are optimally proportional to an associated prosthetic device such as a heart valve, and methods of use are provided. The sizers are desirably slightly larger than the rigid mounting diameter of the corresponding heart valve. The heart valve sizer may be cylindrical and have a diameter about 0.3 mm larger than the valve mounting diameter. The sizer preferably has a length of between about 19 mm to 22 mm, and the edges are desirably rounded to a minimum 1 mm radius. The method includes providing a set of cylindrical sizers having varying diameters; sequentially inserting at least two of the sizers through the annulus; measuring the push force needed to pass each sizer through the annulus; selecting a valve corresponding to the sizer for which the measured push force is between about 150 and 300 grams.
CA002358523A 1999-01-26 2000-01-26 Anatomical orifice sizers and methods of orifice sizing Expired - Fee Related CA2358523C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11725899P 1999-01-26 1999-01-26
US60/117,258 1999-01-26
PCT/US2000/001856 WO2000042951A1 (en) 1999-01-26 2000-01-26 Anatomical orifice sizers and methods of orifice sizing

Publications (2)

Publication Number Publication Date
CA2358523A1 true CA2358523A1 (en) 2000-07-27
CA2358523C CA2358523C (en) 2009-08-18

Family

ID=22371844

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002358523A Expired - Fee Related CA2358523C (en) 1999-01-26 2000-01-26 Anatomical orifice sizers and methods of orifice sizing

Country Status (8)

Country Link
US (3) US6383147B1 (en)
EP (1) EP1146835B1 (en)
JP (1) JP2002535632A (en)
AT (1) ATE414489T1 (en)
AU (1) AU771852B2 (en)
CA (1) CA2358523C (en)
DE (1) DE60040839D1 (en)
WO (1) WO2000042951A1 (en)

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Also Published As

Publication number Publication date
US6846324B2 (en) 2005-01-25
US6383147B1 (en) 2002-05-07
AU771852B2 (en) 2004-04-01
CA2358523C (en) 2009-08-18
EP1146835A1 (en) 2001-10-24
EP1146835B1 (en) 2008-11-19
WO2000042951A1 (en) 2000-07-27
US20050055086A1 (en) 2005-03-10
ATE414489T1 (en) 2008-12-15
US20020103531A1 (en) 2002-08-01
JP2002535632A (en) 2002-10-22
DE60040839D1 (en) 2009-01-02
AU2516300A (en) 2000-08-07
US7909866B2 (en) 2011-03-22

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