CA2000500A1 - Flexible closing member, especially heart valve, and method of producing the same - Google Patents

Flexible closing member, especially heart valve, and method of producing the same

Info

Publication number
CA2000500A1
CA2000500A1 CA2000500A CA2000500A CA2000500A1 CA 2000500 A1 CA2000500 A1 CA 2000500A1 CA 2000500 A CA2000500 A CA 2000500A CA 2000500 A CA2000500 A CA 2000500A CA 2000500 A1 CA2000500 A1 CA 2000500A1
Authority
CA
Canada
Prior art keywords
closing member
producing
heart valve
closing
same
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
CA2000500A
Other languages
French (fr)
Other versions
CA2000500C (en
Inventor
Gunter Rau
Helmut Reul
Josef Jansen
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.)
Adiam Life Science AG
Original Assignee
Gunter Rau
Helmut Reul
Josef Jansen
Adiam Medizintechnik Gmbh & Co. Kg
Adiam Life Science Ag
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 Gunter Rau, Helmut Reul, Josef Jansen, Adiam Medizintechnik Gmbh & Co. Kg, Adiam Life Science Ag filed Critical Gunter Rau
Publication of CA2000500A1 publication Critical patent/CA2000500A1/en
Application granted granted Critical
Publication of CA2000500C publication Critical patent/CA2000500C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/14—Dipping a core
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/20—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. moulding inserts or for coating articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
    • B29C55/24—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes radial
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/753—Medical equipment; Accessories therefor
    • B29L2031/7532—Artificial members, protheses
    • B29L2031/7534—Cardiovascular protheses
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S623/00—Prosthesis, i.e. artificial body members, parts thereof, or aids and accessories therefor
    • Y10S623/90—Stent for heart valve
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7879—Resilient material valve

Abstract

A method of producing flexible closing members, especially artificial heart valves, and a flexible closing member, especially an artificial heart valve, which can be produced according to such a method are described. According to the method of producing the housing of the closing member is radially expanded, the closing element of the closing member is formed as substantially plane two-dimensional element, and the plane two-dimensional element is connected to the housing in the expanded condition of the same. This method is preferably realized as dip method according to which the closing element is shaped and formed to the housing in a single working step. The described flexible closing member is an artificial three-sail heart valve which is characterized by a special shape of the three closing elements.
CA 2000500 1988-10-11 1989-10-11 Flexible closing member, especially heart valve, and method of producing the same Expired - Fee Related CA2000500C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3834545.5 1988-10-11
DE19883834545 DE3834545A1 (en) 1988-10-11 1988-10-11 FLEXIBLE LOCKING ORGAN, PARTICULARLY HEART VALVE, AND METHOD FOR PRODUCING THE SAME

Publications (2)

Publication Number Publication Date
CA2000500A1 true CA2000500A1 (en) 1990-04-11
CA2000500C CA2000500C (en) 1999-11-16

Family

ID=6364836

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2000500 Expired - Fee Related CA2000500C (en) 1988-10-11 1989-10-11 Flexible closing member, especially heart valve, and method of producing the same

Country Status (6)

Country Link
US (2) US5116564A (en)
EP (1) EP0363753B1 (en)
JP (1) JP2990363B2 (en)
CA (1) CA2000500C (en)
DE (1) DE3834545A1 (en)
ES (1) ES2076183T3 (en)

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IT1159433B (en) * 1983-07-25 1987-02-25 Sorin Biomedica Spa PROCEDURE AND EQUIPMENT FOR THE MANUFACTURE OF VALVE FLAPS FOR CARDIAC VALVE PROSTHESIS AND CARDIAC VALVE PROSTHESIS PROVIDED WITH SUCH FLAPS
NL8500538A (en) * 1985-02-26 1986-09-16 Stichting Tech Wetenschapp HEART VALVE PROSTHESIS, METHOD FOR MANUFACTURING A HEART VALVE PROSTHESIS AND MOLD USED THEREIN
DE3541478A1 (en) * 1985-11-23 1987-05-27 Beiersdorf Ag HEART VALVE PROSTHESIS AND METHOD FOR THE PRODUCTION THEREOF

Also Published As

Publication number Publication date
EP0363753A3 (en) 1991-03-27
DE3834545C2 (en) 1992-08-27
US5116564A (en) 1992-05-26
EP0363753B1 (en) 1995-06-28
EP0363753A2 (en) 1990-04-18
JPH02168961A (en) 1990-06-29
CA2000500C (en) 1999-11-16
US5376113A (en) 1994-12-27
JP2990363B2 (en) 1999-12-13
DE3834545A1 (en) 1990-04-12
ES2076183T3 (en) 1995-11-01

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