WO2003092554B1 - Involuted endovascular valve and method of construction - Google Patents

Involuted endovascular valve and method of construction

Info

Publication number
WO2003092554B1
WO2003092554B1 PCT/US2003/014160 US0314160W WO03092554B1 WO 2003092554 B1 WO2003092554 B1 WO 2003092554B1 US 0314160 W US0314160 W US 0314160W WO 03092554 B1 WO03092554 B1 WO 03092554B1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
edge
wall
flap
involuted
Prior art date
Application number
PCT/US2003/014160
Other languages
French (fr)
Other versions
WO2003092554A1 (en
Inventor
Jennifer K White
Original Assignee
Gen Hospital Corp
Jennifer K White
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 Gen Hospital Corp, Jennifer K White filed Critical Gen Hospital Corp
Priority to AU2003234505A priority Critical patent/AU2003234505A1/en
Priority to US10/512,005 priority patent/US7331993B2/en
Publication of WO2003092554A1 publication Critical patent/WO2003092554A1/en
Publication of WO2003092554B1 publication Critical patent/WO2003092554B1/en
Priority to US11/945,855 priority patent/US20080133004A1/en

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
    • A61F2/2412—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 with soft flexible valve members, e.g. tissue valves shaped like natural valves
    • A61F2/2415—Manufacturing methods
    • 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
    • A61F2/2412—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 with soft flexible valve members, e.g. tissue valves shaped like natural valves
    • 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
    • A61F2/2412—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 with soft flexible valve members, e.g. tissue valves shaped like natural valves
    • A61F2/2418—Scaffolds therefor, e.g. support stents

Abstract

A prosthetic tri-leaflet valve formed by involuting a portion of a tubular structure inside itself. The valve can be made by a method comprising providing a tubular segment in which three equidistant longitudinal incisions are made in one end of the tube creating three flaps which are involuted, i.e., folded, in toward the inside of the tube and the edges of the flaps secured to the inner wall of the tube to form leaflets. The tube can be formed of a single sheet of synthetic, organic or biological material and can be solid, woven, braided or the like. A braided configuration permits the valve to be annularly compressed and delivered to the site using a minimally invasive delivery mechanism, then expanded at the implantation site.

Claims

34
AMENDED CLAIMS
[received by the International Bureau on 27 October 2003 (27.10.03); original claim 8 cancelled; remaining claims unchanged]
1 - A method of forming a prosthetic valve, comprising:
a. providing a tube of material having an inner wal , a.ι outer wall, a diameter "d", a height "h" and a wall thickness "t";
b. cutting three longitudinal incisions from one end in >:aid material about 120 degrees apart to form three flaps, each said fiap having a first edge, a second edge generally parallel to said first ι: lg5>, and a bottom edge;
c . involuting each said flap within said tube; and,
d. attaching each said first edge and second edge of e& :• a involuted flap to said inner wall of said tube.
2. The method of Claim 1, wherein said three longitudinϋl incisions have a length "L", such that =1 h-2t, where "h" is the cylinder height and "t" is the thickness of said tube.
3. The method of Claim 1, wherein said height "h" is app nximately equal to the diameter of the recipient aortic annulus diameter "A ' .
4. The method of Claim 1, wherein the edges of each flap are cut to be rounded off along their free edge to create concave shaped leaflets.
5. The method of Claim 1 , wherein scallop shaped segma i s f said tube wall are removed between commissures.
6. The method of Claim 1, wherein said attaching is achieved by suturing.
7. The method of Claim 1, wherein said tube is comprises a generally rectangular sheet of material that has two opposing side,; joined together.
8. Canceled
PCT/US2003/014160 2002-05-03 2003-05-05 Involuted endovascular valve and method of construction WO2003092554A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2003234505A AU2003234505A1 (en) 2002-05-03 2003-05-05 Involuted endovascular valve and method of construction
US10/512,005 US7331993B2 (en) 2002-05-03 2003-05-05 Involuted endovascular valve and method of construction
US11/945,855 US20080133004A1 (en) 2002-05-03 2007-11-27 Involuted cylinder valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37772102P 2002-05-03 2002-05-03
US60/377,721 2002-05-03

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/945,855 Continuation US20080133004A1 (en) 2002-05-03 2007-11-27 Involuted cylinder valve

Publications (2)

Publication Number Publication Date
WO2003092554A1 WO2003092554A1 (en) 2003-11-13
WO2003092554B1 true WO2003092554B1 (en) 2003-12-24

Family

ID=29401556

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/014160 WO2003092554A1 (en) 2002-05-03 2003-05-05 Involuted endovascular valve and method of construction

Country Status (3)

Country Link
US (2) US7331993B2 (en)
AU (1) AU2003234505A1 (en)
WO (1) WO2003092554A1 (en)

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US7331993B2 (en) 2008-02-19

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