[go: up one dir, main page]

DE69007957D1 - Herzklappen mit auf Kugeln drehenden Blattelementen. - Google Patents

Herzklappen mit auf Kugeln drehenden Blattelementen.

Info

Publication number
DE69007957D1
DE69007957D1 DE90403638T DE69007957T DE69007957D1 DE 69007957 D1 DE69007957 D1 DE 69007957D1 DE 90403638 T DE90403638 T DE 90403638T DE 69007957 T DE69007957 T DE 69007957T DE 69007957 D1 DE69007957 D1 DE 69007957D1
Authority
DE
Germany
Prior art keywords
balls
heart valves
leaf elements
elements rotating
rotating
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.)
Expired - Fee Related
Application number
DE90403638T
Other languages
English (en)
Other versions
DE69007957T2 (de
Inventor
Robert Boyer
Rene Ranc
Rene Stefani
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE69007957D1 publication Critical patent/DE69007957D1/de
Publication of DE69007957T2 publication Critical patent/DE69007957T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
    • 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
    • A61F2/2403—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 pivoting rigid closure members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
    • F16K15/036—Dual valve members with hinges crossing the flow line substantially diametrical
    • 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]
    • Y10T137/7838—Plural
    • Y10T137/7839—Dividing and recombining in a single flow path
    • 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]
    • Y10T137/7898—Pivoted valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Transplantation (AREA)
  • Biomedical Technology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Taps Or Cocks (AREA)
DE69007957T 1989-12-20 1990-12-18 Herzklappen mit auf Kugeln drehenden Blattelementen. Expired - Fee Related DE69007957T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8916900A FR2655843A1 (fr) 1989-12-20 1989-12-20 Valve cardiaque a clapets pivotant sur des billes.

Publications (2)

Publication Number Publication Date
DE69007957D1 true DE69007957D1 (de) 1994-05-11
DE69007957T2 DE69007957T2 (de) 1994-10-13

Family

ID=9388766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69007957T Expired - Fee Related DE69007957T2 (de) 1989-12-20 1990-12-18 Herzklappen mit auf Kugeln drehenden Blattelementen.

Country Status (4)

Country Link
US (1) US5171263A (de)
EP (1) EP0436420B1 (de)
DE (1) DE69007957T2 (de)
FR (1) FR2655843A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2694689B1 (fr) * 1992-08-11 1994-09-23 Implants Instr Ch Fab Valve cardiaque artificielle.
US5624422A (en) * 1994-09-22 1997-04-29 The Procter & Gamble Company Absorbent article having an extendible split core
US5554186A (en) * 1994-12-22 1996-09-10 Baxter International Inc. Bileaflet mechanical heart valve having cropped slot pivot configuration and method for preventing blood stagnation therein
JPH11507249A (ja) * 1995-03-29 1999-06-29 シーヴィー ダイナミックス．インク．，ドゥーイング ビジネス アズ メディカル インコーポレイテッド 二葉式心臓弁
US6296663B1 (en) 1995-03-29 2001-10-02 Medical Cv, Inc. Bileaflet heart valve having open channel and swivel pivots
US5772694A (en) * 1995-05-16 1998-06-30 Medical Carbon Research Institute L.L.C. Prosthetic heart valve with improved blood flow
JPH11509746A (ja) * 1995-08-07 1999-08-31 バクスター・インターナショナル・インコーポレイテッド 矢じり型スロットヒンジ構成を備えた機械製二葉状心臓弁
WO1997027826A1 (en) * 1995-11-06 1997-08-07 St. Jude Medical, Inc. Heart valve prosthesis with wear reducing edges
US5843183A (en) * 1997-05-13 1998-12-01 Bokros; Jack C. Trileaflet heart valve
US5908451A (en) * 1997-11-25 1999-06-01 Cardiotech International Corporation Prosthetic heart valve
AU1712099A (en) 1997-12-05 1999-06-28 St. Jude Medical Inc. Leaflet positioning for a mechanical heart valve
US6174332B1 (en) 1997-12-05 2001-01-16 St. Jude Medical, Inc. Annuloplasty ring with cut zone
US6096075A (en) * 1998-01-22 2000-08-01 Medical Carbon Research Institute, Llc Prosthetic heart valve
US6200340B1 (en) * 1999-04-01 2001-03-13 Sulzer Carbomedics Inc. Tilting disk heart valve having cavitation reducing contact geometry
US20040122515A1 (en) * 2002-11-21 2004-06-24 Xi Chu Prosthetic valves and methods of manufacturing
US7449027B2 (en) * 2004-03-29 2008-11-11 Cook Incorporated Modifying fluid flow in a body vessel lumen to promote intraluminal flow-sensitive processes
WO2012112892A2 (en) * 2011-02-18 2012-08-23 Concepts Eti, Inc. Turbomachinery having self-articulating blades, shutter valve, partial-admission shutters, and/or variable-pitch inlet nozzles
DE102016122369B4 (de) * 2016-11-21 2019-03-21 Tenneco Gmbh Lagerung einer Klappenventilwelle
EP3499105B1 (de) * 2017-12-15 2020-05-27 Hamilton Sundstrand Corporation Rückschlagventile
US11828372B2 (en) * 2022-03-31 2023-11-28 General Electric Company Check valve assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3399863A (en) * 1965-07-13 1968-09-03 Pratt Co Henry Skewed axis butterfly valve for high-pressure service
US4078268A (en) * 1975-04-24 1978-03-14 St. Jude Medical, Inc. Heart valve prosthesis
US3953898A (en) * 1975-06-06 1976-05-04 Eric Bloch Prosthetic one-way heart valve
FR2331997A1 (fr) * 1975-11-19 1977-06-17 Rhone Poulenc Ind Prothese valvulaire cardiaque
US4308624A (en) * 1979-08-07 1982-01-05 Hemex, Inc. Heart valve prosthesis
GB2074699B (en) * 1980-04-28 1984-05-10 Mitral Med Int Artificial heart valve
US4446577A (en) * 1980-04-28 1984-05-08 Mitral Medical International, Inc. Artificial heart valve
US4443894A (en) * 1982-04-12 1984-04-24 Hemex, Inc. Heart valve with dog-leg pivot
US4872875A (en) * 1989-01-28 1989-10-10 Carbon Implants, Inc. Prosthetic heart valve

Also Published As

Publication number Publication date
US5171263A (en) 1992-12-15
DE69007957T2 (de) 1994-10-13
EP0436420A1 (de) 1991-07-10
EP0436420B1 (de) 1994-04-06
FR2655843A1 (fr) 1991-06-21

Similar Documents

Publication Publication Date Title
DE69007957D1 (de) Herzklappen mit auf Kugeln drehenden Blattelementen.
DE68919552D1 (de) Katheter für Herzschrittmacher.
DE68917895D1 (de) Katheter.
DE68904991D1 (de) Endoskop mit zwei sehrichtungen.
DE58907875D1 (de) Kugelraste.
IT1227481B (it) Valvola rotativa.
NO911796L (no) Lukkemontasje.
DE3870716D1 (de) Tastatur mit modifizierbarer konfiguration.
DE3883146D1 (de) Magnetoresistiver lesewandlerzusammenbau.
DE69008677D1 (de) Elastisches Lagerelement mit abgestufter Festigkeit.
IT1227377B (it) Valvola rotativa.
DE68902298D1 (de) Backofen mit doppeltuer.
DE68904005D1 (de) Tragfluegel mit niedrigem widerstand.
DE3788876D1 (de) Herzschrittmacher mit programmierbarer Gestaltung.
IT1227495B (it) Valvola rotativa.
DE58903654D1 (de) Elastisches lager.
DE3768236D1 (de) Anordnung mit ventilfunktion.
DE69103588D1 (de) Kugeldrehantrieb.
FI891671L (fi) Oevningsanordning.
DE58905523D1 (de) Linearkugelbüchse.
MA21328A1 (fr) Machine de forage par rotation et par louvoiement.
DE69009207D1 (de) Festplattenlaufwerk mit Sicherheitswelle.
DE3765461D1 (de) Katheter mit einfuehrungshilfe.
DE68907535D1 (de) Kugellager.
DE3884954D1 (de) Katheter mit ventil.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee