DE2615564A1 - Biegsames klappenimplantat - Google Patents
Biegsames klappenimplantatInfo
- Publication number
- DE2615564A1 DE2615564A1 DE19762615564 DE2615564A DE2615564A1 DE 2615564 A1 DE2615564 A1 DE 2615564A1 DE 19762615564 DE19762615564 DE 19762615564 DE 2615564 A DE2615564 A DE 2615564A DE 2615564 A1 DE2615564 A1 DE 2615564A1
- Authority
- DE
- Germany
- Prior art keywords
- insert
- implant
- implant according
- thread
- shell
- 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
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
- A61F2/2442—Annuloplasty rings or inserts for correcting the valve shape; Implants for improving the function of a native heart valve
- A61F2/2445—Annuloplasty rings in direct contact with the valve annulus
- A61F2/2448—D-shaped rings
-
- 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
Description
eine Fläche von über 0,01 mm hat. Die Form des Querschnitts ist nicht kritisch. Sie ist im allgemeinen kreisförmig, kann aber ebenfalls beispielsweise elliptisch (mit einem Verhältnis von großer zu kleiner Achse von vorzugsweise unter 3), eiförmig oder ein gekrümmtes Vieleck sein.
mehreren WindungenN/eines einzigen Fadens oder eines Bündels aus Einzelfäden bestehen. Die Enden der Fäden können durch Schweißen, Verleimen oder Anbinden befestigt sein, wobei vermieden wird, daß sie überstehen. Unter Einzelfäden werden im folgenden begrenzte Fadenlängen verstanden, die beispielsweise ausgehend von einem auf einer Spule aufgewickelten Faden abgeschnitten werden.
Claims (9)
- 261B5R4Patentansprüche/ 1./ Implantat für die nicht verletztende chirurgische Korrektur ' von Herzklappenfehlbildungen, bestehend aus gewebefreundlichem Material und mit einer Einlage, die wenigstens teilweise von einer textlien Hülle umgeben und an die Kontur der Basis der Segel angepaßt ist, dadurch gekennzeichnet, daß die Einlage und die Hülle nach der Implantation verformbar sind.
- 2. Implantat nach Anspruch 1, dadurch gekennzeichnet, daß die Einlage und die Hülle durch Biegen verformbar sind.
- 3. Implantat nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die Einlage und die Hülle um das 0,001- bis 0,3-fache ihrer Länge dehnbar sind.
- 4. Implantat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Einlage die gleiche Biegeelastizität wie ein ringförmiges Bündel von zwei bis acht Wicklungen eines kreiszylindrischen Fadens aus Polyäthylenterephtalat hat, wobei der Faden .einen Umfang gleich dem 0,025-fachen der Länge einer Wifidung hat.
- 5. Implantat nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Einlage aus wenigstens einem Einzelfaden besteht.
- 6. Implantat nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß ein Teil der Einlage und der Hülle als konvexe Krümmung ausgebildet ist.
- 7. Implantat nach Anspruch 6, dadurch gekennzeichnet, daß der Abstand zwischen den Enden (3, 4) des Teils konvexer Krümmung zwischen einem Viertel und der Hälfte der Länge des konvexen Teils beträgt.6 0 9 8 4 3/ 0A262 61 .S S 6 4 - ίο -
- 8. Implantat nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Einlage und die Hülle ringförmig sind.
- 9. Implantat nach Anspruch 8, dadurch gekennzeichnet, daß die Einlage aus wenigstens zwei Fadenwindungen oder -wicklungen besteht.4 3/0/426
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7511361A FR2306671A1 (fr) | 1975-04-11 | 1975-04-11 | Implant valvulaire |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2615564A1 true DE2615564A1 (de) | 1976-10-21 |
DE2615564B2 DE2615564B2 (de) | 1980-10-02 |
DE2615564C3 DE2615564C3 (de) | 1981-09-03 |
Family
ID=9153826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2615564A Expired DE2615564C3 (de) | 1975-04-11 | 1976-04-09 | Stützimplantat zur Unterstützung der Funktion von körpereigenen Herklappen |
Country Status (20)
Country | Link |
---|---|
US (1) | US4055861A (de) |
JP (1) | JPS51124098A (de) |
AR (1) | AR208776A1 (de) |
AU (1) | AU1285476A (de) |
BE (1) | BE840625A (de) |
BR (1) | BR7602073A (de) |
CA (1) | CA1070454A (de) |
CH (1) | CH597846A5 (de) |
DE (1) | DE2615564C3 (de) |
DK (1) | DK167476A (de) |
ES (1) | ES446863A1 (de) |
FR (1) | FR2306671A1 (de) |
GB (1) | GB1541455A (de) |
IL (1) | IL49385A0 (de) |
IT (1) | IT1061826B (de) |
LU (1) | LU74730A1 (de) |
NL (1) | NL7603802A (de) |
NO (1) | NO761232L (de) |
SE (1) | SE423179B (de) |
ZA (1) | ZA762139B (de) |
Families Citing this family (213)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5435037Y2 (de) * | 1975-10-29 | 1979-10-25 | ||
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DE3230858C2 (de) * | 1982-08-19 | 1985-01-24 | Ahmadi, Ali, Dr. med., 7809 Denzlingen | Ringprothese |
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FR1461567A (fr) * | 1965-10-25 | 1966-02-25 | Nouvelle valve élastique applicable notamment comme valvule en prothèse cardiaque | |
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-
1975
- 1975-04-11 FR FR7511361A patent/FR2306671A1/fr active Granted
-
1976
- 1976-04-06 BR BR7602073A patent/BR7602073A/pt unknown
- 1976-04-08 CA CA249,799A patent/CA1070454A/fr not_active Expired
- 1976-04-09 GB GB14582/76A patent/GB1541455A/en not_active Expired
- 1976-04-09 US US05/675,592 patent/US4055861A/en not_active Expired - Lifetime
- 1976-04-09 LU LU74730A patent/LU74730A1/xx unknown
- 1976-04-09 DE DE2615564A patent/DE2615564C3/de not_active Expired
- 1976-04-09 AR AR262839A patent/AR208776A1/es active
- 1976-04-09 AU AU12854/76A patent/AU1285476A/en not_active Expired
- 1976-04-09 IL IL49385A patent/IL49385A0/xx unknown
- 1976-04-09 NO NO761232A patent/NO761232L/no unknown
- 1976-04-09 IT IT22147/76A patent/IT1061826B/it active
- 1976-04-09 JP JP51040212A patent/JPS51124098A/ja active Granted
- 1976-04-09 SE SE7604229A patent/SE423179B/xx not_active IP Right Cessation
- 1976-04-09 DK DK167476A patent/DK167476A/da not_active IP Right Cessation
- 1976-04-09 NL NL7603802A patent/NL7603802A/xx not_active Application Discontinuation
- 1976-04-09 ES ES446863A patent/ES446863A1/es not_active Expired
- 1976-04-09 BE BE166054A patent/BE840625A/xx not_active IP Right Cessation
- 1976-04-09 CH CH457576A patent/CH597846A5/xx not_active IP Right Cessation
- 1976-04-09 ZA ZA762139A patent/ZA762139B/xx unknown
Patent Citations (1)
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---|---|---|---|---|
DE2005112A1 (de) * | 1969-02-04 | 1970-08-27 | Rh6*ne-Poulenc S.A., Paris | Herzklappenprothese |
Non-Patent Citations (1)
Title |
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In Betracht gezogene ältere Patente: DE-PS 23 55 959 * |
Also Published As
Publication number | Publication date |
---|---|
DK167476A (da) | 1976-10-12 |
JPS51124098A (en) | 1976-10-29 |
FR2306671A1 (fr) | 1976-11-05 |
CA1070454A (fr) | 1980-01-29 |
IL49385A0 (en) | 1976-06-30 |
NL7603802A (nl) | 1976-10-13 |
BR7602073A (pt) | 1976-10-05 |
SE7604229L (sv) | 1976-10-12 |
JPS576945B2 (de) | 1982-02-08 |
ES446863A1 (es) | 1977-06-01 |
GB1541455A (en) | 1979-02-28 |
SE423179B (sv) | 1982-04-26 |
NO761232L (de) | 1976-10-12 |
AU1285476A (en) | 1977-10-13 |
DE2615564C3 (de) | 1981-09-03 |
FR2306671B1 (de) | 1977-11-10 |
DE2615564B2 (de) | 1980-10-02 |
CH597846A5 (de) | 1978-04-14 |
AR208776A1 (es) | 1977-02-28 |
IT1061826B (it) | 1983-04-30 |
LU74730A1 (de) | 1977-06-03 |
US4055861A (en) | 1977-11-01 |
BE840625A (fr) | 1976-10-11 |
ZA762139B (en) | 1977-04-27 |
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