DE3442736A1 - Dilatationskatheter - Google Patents
DilatationskatheterInfo
- Publication number
- DE3442736A1 DE3442736A1 DE19843442736 DE3442736A DE3442736A1 DE 3442736 A1 DE3442736 A1 DE 3442736A1 DE 19843442736 DE19843442736 DE 19843442736 DE 3442736 A DE3442736 A DE 3442736A DE 3442736 A1 DE3442736 A1 DE 3442736A1
- Authority
- DE
- Germany
- Prior art keywords
- balloon
- tube
- dilatation catheter
- catheter according
- guide wire
- 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
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/104—Balloon catheters used for angioplasty
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M2025/0183—Rapid exchange or monorail catheters
Description
3U2736
Die Erfindung betrifft einen Dilatationskatheter mit einem Tubus, dessen patientenseitiges Ende in einen
aufweitbaren Ballon mündet, und mit einem den Ballon durchquerenden Schlauchabschnitt, der mit, dem distalen
Ende des Ballons abgedichtet verbunden ist und durch den ein Führungsdraht hindurchführbar ist.
Ein derartiger Dilatationskatheter ist in The American Journal of Cardiology, Vol. 49, April 1, 1982, Seiten
1216 bis 1222, beschrieben und wird zur Aufweitung von Verengungen in Gefäßen und Körperhohlräumen, insbesondere
von Koronararterien, verwendet. An der Spitze eines solchen Dilatationskatheters ist ein aufblasbarer
Ballon angebracht, der über ein im Katheter befindliches Innenlumen gefüllt oder entleert werden kann.
Bei dem bekannten Dilatationskatheter ist ein Tubus vorgesehen, der am vorderen Ende in einen Ballon übergeht.
Durch das Balloninnere und den Tubus erstreckt sich bei dem bekannten Dilatationskatheter ein
Schlauch, der über das vordere Ende des Ballons vorsteht und mit dem vorderen Ende des Ballons abgedichtet
verbunden ist. Durch das Innere des Schlauches ist ein Führungsdraht geführt, der während der Operation gegenüber
dem Ballon verschoben werden kann, so daß der Dilatationskatheter entlang dem Führungsdraht vorgeschoben
oder zurückgezogen werden kann. Beim Auswechseln eines mit Hilfe eines Führungskatheters gelegten
Dilatationskatheters ist es erforderlich, daß der Führungsdraht
um eine Länge aus dem Körper des Patienten herausragt, die größer ist als die Länge des Dilatationskatheters
mit seinem Tubus. Aus diesem Grunde ist
die Handhabung des bekannten Dilatationskatheters schwierig, zumal die Reibungskräfte zwischen dem Führungsdraht
und dem den Ballon und den Tubus ganz durchsetzenden Schlauch groß sind.
Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Dilatationskatheter zu
schaffen, das entlang einem Führungsdraht leicht geführt werden kann und leicht und einfach gegen ein
anderes Dilatationskatheter ausgewechselt werden kann.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß
das proximale Ende des Ballons ebenfalls dichtend am Schlauchabschnitt befestigt ist und der Tubus gegenüber
dem Schlauchabschnitt seitlich versetzt in das Balloninnere mündet.
Dadurch, daß der mit der Oberfläche des Führungsdrahtes
in Berührung kommende Schlauchabschnitt lediglich etwa die Länge des Ballons aufweist und der Tubus nicht mehr
den Führungsdraht und den diesen umgebenden Führungsschlauch umgibt, erhöht sich die Handhabbarkeit des
Dilatationskatheters. Die Steuerbarkeit ist liegen des
Fehlens der Reibungskräfte in einem langen Führungsschlauch erheblich verbessert. Außerdem braucht der
Führungsdraht wegen des verhältnismäßig kurzen Schlauchabschnitts nicht mehr etwa um die gleiche Länge
aus dem Körper des Patienten herausragen, wie die Länge des Dilatationskatheters beträgt.
Zweckmäßige Ausgestaltungen und Weiterbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet.
Die Erfindung wird nachstehend anhand des in der Zeichnung
dargestellten Ausführungsbeispiels erläutert. Es zeigen:
Fig. 1 den vorderen Teil des erfindungsgemäßen Dilatationskatheters
mit dem in den Ballon einmündenden Tubus,
Fig. 2 einen Querschnitt durch d'en Dilatationskatheter im Bereich des neben dem Führungsdraht
verlaufenden Tubus und
Fig. 3 einen Querschnitt durch den Dilatationskatheter im Bereich eines Goldmarkers im Ballon.
In Fig. 1 ist der vordere Teil eines Dilatationskatheters
dargestellt, der mit Hilfe eines in der Zeichnung nicht dargestellten Führungskatheters mit einem Durchmesser
von einigen Millimetern und einer Länge von etwa 1 m, beispielsweise von der rechten Leiste eines Patienten
über die gesamte Länge der Arterie bis zur Aorta und zu den Koronararterien vorgeführt wird. Durch
den in der Zeichnung nicht dargestellten Führungskatheter wird zunächst ein Führungsdraht 1 in die entsprechende
Herzkranzarterie vorgeführt. Ein Abschnitt des etwa 1 m langen Führungsdrahtes 1 ist in Fig. 1 sichtbar.
Der Führungsdraht 1 dient als Instrumentierschiene zum Führen des Dilatationskatheters.
Der Dilatationskatheter verfügt über einen Ballon 2 und einen Tubus 3, der in Fig. 1 abgeschnitten dargestellt
ist und ebenfalls eine Länge in der Größenordnung von 1 m hat.
— j* —
In Fig. 2 ist ein Schnitt durch den Führungsdraht 1 und den Tubus 3 dargestellt. Der Tubus 3 dient einerseits
zur Übertragung von Schub- und Zugkräften zum Hin- und Herschieben sowie zum Drehen des Ballons 2 auf dem Führungsdraht
1. Aus diesem Grunde ist es zweckmäßig, wenn der Tubus 3 durch einen Stabilisierungsdraht 4 in der
in den Figuren 1 bis 3 dargestellten Weise verstärkt ist. Neben seiner Aufgabe zur Übertragung von Kräften
dient der Tubus 3 zum Einspritzen von Flüssigkeiten in das Balloninnere 5 zum Aufweiten des Ballons 2 und zum
Absaugen von Flüssigkeiten, wenn der Ballondurchmesser verringert werden soll.
Wie in Fig. 1 zu erkennen ist, besteht der Ballon aus einer Ballonhülle 6 und einem Schlauchabschnitt 7, so
daß der Ballon 2 einen Ballondurchgang 8 aufweist, der gegenüber dem Balloninneren 5 abgedichtet ist. Die
Ballondurchführung 8 gestattet es, den Ballon 2 auf den Führungsdraht 1 aufzuschieben und dadurch auf dem Führungsdraht
1 zu führen.
In Fig. 3 erkennt man den im wesentlichen ringförmigen Querschnitt des Ballons 2 mit der Ballondurchführung 8,
durch die sich der Führungsdraht 1 erstreckt. Um die auf den Tubus 3 ausgeübten Kräfte gut auf den Ballon 2
zu übertragen, reicht der Stabilisierungsdraht 4 bis in die Nähe des distalen Endes 9 des Ballons 2.
Wie man in Fig. 1 deutlich erkennt, ist am distalen Ende 9 des Ballons 2 die Ballonhülle 6 als Schlauchsegment
10 ausgebildet, das mit dem distalen Ende des Schlauchabschnittes 7 dicht verbunden ist. In ähnlicher
Weise läuft die Ballonhülle 6 am proximalen Ende in ein
-ß -
Schlauchsegment 11 aus, das einerseits mit dem proximalen
Ende des Schlauchabschnittes 7 abdichtend und andererseits mit dem Tubus 3 abdichtend verbunden ist.
Das in Fig. 1 nach rechts weisende patientenseitige Ende 12 des Tubus 3 läuft in eine Verjüngung 13 aus,
die am Schlauchabschnitt 7 befestigt ist. Sowohl in der Verjüngung 13 als auch im übrigen Bereich des patientenseitigen
Endes 12 sind im Tubus' 3 radiale Öffnungen 14 vorgesehen, über die die in den Tubus 3 eingespritzte
Flüssigkeit vom Tubus 3 in das Balloninnere 5 des Ballons 2 gelangen kann.
In den Figuren 1 und 3 sind weiterhin Goldstreifen 15
und 16 dargestellt, die bei Röntgenaufnahmen zum Markieren der Lage des Dilatationskatheters dienen.
In Fig. 3 erkennt man einen Querschnitt durch den Ballon 2 im Bereich des Goldstreifens 15. Der Tubus 3
mit seinem Innenlumen 17 sowie der Schlauchabschnitt 7 mit dem Ballondurchgang 8 sind in dem in Fig. 3 gezeigten
Bereich einstückig ausgebildet, so daß der Goldstreifen 15 im wesentlichen eine Ovalform und nicht die
Form einer Ziffer 8 hat.
Der Führungsdraht 1 kann ein in der Zeichnung nicht dargestelltes zentrales Lumen für die Druckmessung oder
ein Kontrastmittel enthalten. Um den Reibungswiderstand zwischen dem Innern des Ballondurchgangs 8 und der
Oberfläche des Führungsdrahtes 1 möglichst gering zu halten, kann die Innenseite des durch den Stabilisierungsdraht
4 versteiften Schlauchabschnitts 7 und/oder die Oberseite des Führungsdrahtes 1 mit einer Gleitschicht
versehen sein.
-β -
Zur Dilatation von Herzkranzgefäßen wird durch den Führungskatheter
zunächst der Führungsdraht 1 in die entsprechende Herzkranzarterie vorgeführt. Der Führungsdraht
1 liegt hierbei frei im Führungskatheter und ist somit gut dreh- und steuerbar. Zur anatomischen Orientierung
sind zusätzlich ausreichende Kontrastmittelangaben möglich. Wenn der Führungsdraht 1 die Einengung
in der Herzkranzarterie passiert hat, verbleibt die Spitze des Führungsdrahtes 1 weiterhin jenseits der
Stenose im Herzkranzgefäß. Erst jetzt wird der erfindungsgemäße Dilatationskatheter außerhalb des Körpers
auf den Führungsdraht 1 geschoben und an der durch den Führungsdraht 1 gebildeten Schiene durch den Führungskatheter in die Herzkranzarterie und über die Einengung
vorgeschoben. Soll der Ballon 2 während der Operation gegen einen Ballon 2 mit größerer Ballonweite ausgewechselt
werden, ist es auf einfache Weise möglich, den erfindungsgemäßen Dilatationskatheter zurückzuziehen,
wobei der Führungsdraht 1 mit seinem vorderen Ende im Koronargefäß verbleibt und ein sicheres Vorführen des
ausgewechselten Ballons erlaubt, ohne daß hohe Reibungskräfte zu überwinden sind und die Stenose erneut
gesucht werden muß. Bei Verdacht auf mangelnde Stabilität des Dilatationserfolges kann der Führungsdraht 1
sogar für mehrere Stunden liegen bleiben, um zu einem späteren Zeitpunkt eine erneute Dilatation vorzunehmen.
Das distale Ende 9 des Dilatationskatheters ist zur besseren Einführbarkeit in Gefäßeinengungen in der oben
beschriebenen Weise flacher gestaltet.
Die Erfindung gestattet es, Ballons unterschiedlicher Länge, Weite und Wanddicke zur Aufnahme variabler
Drücke vorzusehen und einfach auszuwechseln. Je nach den medizinischen Erfordernissen sind die Dilatationskatheter mit Tuben 3 unterschiedlicher Stärke und Biegsamkeit,
die unterschiedliche Vorschübe gewährleisten, ausgerüstet. Für größere Dilatationskatheter ist ein in
der Zeichnung nicht dargestelltes zusätzliches Innenlumen vorgesehen, dessen vorderes Ende bis zum distalen
Ende 9 des Ballons 2 reicht und mit dem Gefäßinnenraum
des operierten Patienten in Verbindung steht. Hierdurch können Druckmessungen und Kontrastmittelinjektionen
durchgeführt werden. Die Führungsdrähte 1 eines kompletten Instrumentariums weisen ebenfalls unterschiedliche
Stärken und Biegsamkeiten auf. Die Führungsdrähte 1 verfügen über weiche flexible Spitzen, die kürzer
oder länger sowie gerade oder gebogen sein können. Wenn im Ballon kein zusätzliches Innenlumen vorgesehen ist,
kann in den Führungsdrähten ein bereits oben erwähntes zentrales Lumen für Druckmessungen und Kontrastmittelinjektionen
vorgesehen sein.
Claims (8)
1. Dilatationskatheter mit einem Tubus, dessen patientenseitiges
Ende in einen aufweitbaren Ballon mündet, und mit einem den Ballon durchquerenden
Schlauchabschnitt, der mit dem distalen Ende des Ballons abgedichtet verbunden ist und durch den
ein Führungsdraht hindurchführbar ist, dadurch
gekennzeichnet, daß das proximale
Ende des Ballons (11) ebenfalls dichtend am Schlauchabschnitt (7) befestigt ist und der Tubus
(3) gegenüber dem Schlauchabschnitt (7) seitlich versetzt in das Balloninnere (5) mündet.
2. Dilatationskatheter nach Anspruch 1, dadurch
gekennzeichnet , daß die Wandung des Tubus (3) an der Wandung des Schlauchabschnitts (7) angeformt
ist.
3. Dilatationskatheter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Tubus
(3) durch einen Stabilisierungsdraht (4) verstärkt ist.
4. Dilatationskatheter nach Anspruch 3, dadurch gekennzeichnet , daß der Stabilisierungsdraht (4) sich im Innern des Ballons (2) entlang
dem Mantel des Schlauchabschnittes (7) bis zum vorderen Ende (9) des Balloninnenraums (5) erstreckt.
5. Dilatationskatheter nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet,
daß die Ballonhülle (6) an ihren Befestigungsenden in Schlauchsegmente (10, 11) ausläuft, die parallel
zum Schlauchabschnitt (7) auslaufen.
6. Dilatationskatheter nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet,
daß der Tubus (3) im Balloninnern (5) mit seitlichen Öffnungen (14) versehen ist.
7. Dilatationskatheter nach Anspruch 6, dadurch gekennzeichnet , daß das distale Ende des
Tubus (3) in eine Verjüngung (13) ausläuft.
8. Dilatationskatheter nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet,
daß der Führungsdraht (1) ein zentrales Lumen für eine Druckmessung und/oder eine Kontrastmitteleinspritzung
aufweist.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843442736 DE3442736A1 (de) | 1984-11-23 | 1984-11-23 | Dilatationskatheter |
US06/893,558 US4762129A (en) | 1984-11-23 | 1985-11-15 | Dilatation catheter |
EP85905779A EP0203945B2 (de) | 1984-11-23 | 1985-11-15 | Dilatationskatheter |
AT85905779T ATE45098T1 (de) | 1984-11-23 | 1985-11-15 | Dilatationskatheter. |
PCT/DE1985/000479 WO1986003129A1 (en) | 1984-11-23 | 1985-11-15 | Dilatation catheter |
DE8585905779T DE3571935D1 (en) | 1984-11-23 | 1985-11-15 | Dilatation catheter |
US07/773,738 US5232445A (en) | 1984-11-23 | 1991-10-09 | Dilatation catheter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843442736 DE3442736A1 (de) | 1984-11-23 | 1984-11-23 | Dilatationskatheter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3442736A1 true DE3442736A1 (de) | 1986-06-05 |
DE3442736C2 DE3442736C2 (de) | 1987-03-05 |
Family
ID=6250973
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19843442736 Granted DE3442736A1 (de) | 1984-11-23 | 1984-11-23 | Dilatationskatheter |
DE8585905779T Expired DE3571935D1 (en) | 1984-11-23 | 1985-11-15 | Dilatation catheter |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585905779T Expired DE3571935D1 (en) | 1984-11-23 | 1985-11-15 | Dilatation catheter |
Country Status (4)
Country | Link |
---|---|
US (1) | US4762129A (de) |
EP (1) | EP0203945B2 (de) |
DE (2) | DE3442736A1 (de) |
WO (1) | WO1986003129A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988000071A1 (en) * | 1986-06-26 | 1988-01-14 | Tassilo Bonzel | Dilatation catheter with expanding balloon |
EP0338979A2 (de) * | 1988-04-20 | 1989-10-25 | Schneider (Europe) Ag | Katheter zum Rekanalisieren von verengten Gefässen |
Families Citing this family (581)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4921483A (en) * | 1985-12-19 | 1990-05-01 | Leocor, Inc. | Angioplasty catheter |
WO1989000407A1 (en) * | 1987-07-21 | 1989-01-26 | Thomas Vincent Taylor | Apparatus for arrest of bleeding at a duodenal ulcer |
US5350395A (en) | 1986-04-15 | 1994-09-27 | Yock Paul G | Angioplasty apparatus facilitating rapid exchanges |
US4748982A (en) * | 1987-01-06 | 1988-06-07 | Advanced Cardiovascular Systems, Inc. | Reinforced balloon dilatation catheter with slitted exchange sleeve and method |
US4793350A (en) * | 1987-01-06 | 1988-12-27 | Advanced Cardiovascular Systems, Inc. | Liquid filled low profile dilatation catheter |
US4988356A (en) * | 1987-02-27 | 1991-01-29 | C. R. Bard, Inc. | Catheter and guidewire exchange system |
JPS63212374A (ja) * | 1987-02-27 | 1988-09-05 | テルモ株式会社 | 拡張体付カテ−テル |
FR2626476B1 (fr) * | 1988-02-01 | 1997-10-17 | Boussignac Georges | Sonde destinee a etre introduite a l'interieur d'un corps vivant |
US6004291A (en) * | 1988-02-29 | 1999-12-21 | Scimed Life Systems, Inc. | Intravascular catheter with distal guide wire lumen and transition |
US6071273A (en) * | 1988-02-29 | 2000-06-06 | Scimed Life Systems, Inc. | Fixed wire dilatation balloon catheter |
US4944745A (en) * | 1988-02-29 | 1990-07-31 | Scimed Life Systems, Inc. | Perfusion balloon catheter |
US5156594A (en) * | 1990-08-28 | 1992-10-20 | Scimed Life Systems, Inc. | Balloon catheter with distal guide wire lumen |
US5425711A (en) * | 1988-02-29 | 1995-06-20 | Scimed Life Systems, Inc. | Intravascular catheter with distal guide wire lumen and transition member |
US4884573A (en) * | 1988-03-07 | 1989-12-05 | Leocor, Inc. | Very low profile angioplasty balloon catheter with capacity to use steerable, removable guidewire |
US4909252A (en) * | 1988-05-26 | 1990-03-20 | The Regents Of The Univ. Of California | Perfusion balloon catheter |
DE3825631A1 (de) * | 1988-07-28 | 1990-02-08 | Osypka Peter | Vorrichtung zum transvenoesen oder arteriellen einfuehren mittels eines fuehrungsdrahtes |
US4995878A (en) * | 1988-07-15 | 1991-02-26 | Rai Dinker B | Method for descending venography |
US4877031A (en) * | 1988-07-22 | 1989-10-31 | Advanced Cardiovascular Systems, Inc. | Steerable perfusion dilatation catheter |
FR2638364A1 (fr) * | 1988-10-27 | 1990-05-04 | Farcot Jean Christian | Appareillage pour la realisation d'une angioplastie prolongee |
US5150717A (en) * | 1988-11-10 | 1992-09-29 | Arye Rosen | Microwave aided balloon angioplasty with guide filament |
US5147377A (en) * | 1988-11-23 | 1992-09-15 | Harvinder Sahota | Balloon catheters |
US4983167A (en) * | 1988-11-23 | 1991-01-08 | Harvinder Sahota | Balloon catheters |
US5160321A (en) * | 1988-11-23 | 1992-11-03 | Harvinder Sahota | Balloon catheters |
US5090958A (en) * | 1988-11-23 | 1992-02-25 | Harvinder Sahota | Balloon catheters |
US5049130A (en) * | 1988-12-23 | 1991-09-17 | Cardiovascular Imaging Systems, Inc. | System and method for pressure filling of catheters |
US5085636A (en) * | 1989-01-13 | 1992-02-04 | Scimed Life Systems, Inc. | Balloon catheter with inflation-deflation valve |
US5454789A (en) * | 1989-01-13 | 1995-10-03 | Scimed Life Systems, Inc. | Innerless dilatation balloon catheter |
US5032113A (en) * | 1989-04-13 | 1991-07-16 | Scimed Life Systems, Inc. | Innerless catheter |
US5221260A (en) * | 1989-01-13 | 1993-06-22 | Scimed Life Systems, Inc. | Innerless dilatation balloon catheter |
US5035705A (en) * | 1989-01-13 | 1991-07-30 | Scimed Life Systems, Inc. | Method of purging a balloon catheter |
US4976691A (en) * | 1989-01-23 | 1990-12-11 | Harvinder Sahota | Topless catheters |
US5100385A (en) * | 1989-01-27 | 1992-03-31 | C. R. Bard, Inc. | Fast purge balloon dilatation catheter |
US5728067A (en) * | 1989-01-30 | 1998-03-17 | C. R. Bard, Inc. | Rapidly exchangeable coronary catheter |
DE68915150T2 (de) * | 1989-01-30 | 1994-10-13 | Bard Inc C R | Schnell austauschbarer Koronarkatheter. |
US4928693A (en) * | 1989-03-13 | 1990-05-29 | Schneider (Usa), Inc. | Pressure monitor catheter |
US5100381A (en) * | 1989-11-13 | 1992-03-31 | Scimed Life Systems, Inc. | Angioplasty catheter |
US5047045A (en) * | 1989-04-13 | 1991-09-10 | Scimed Life Systems, Inc. | Multi-section coaxial angioplasty catheter |
ES2042215T3 (es) * | 1989-05-08 | 1993-12-01 | Schneider (Usa) Inc., | Cateter monocarril con marcador de oficio de entrada de hilo de guia. |
US5484409A (en) * | 1989-08-25 | 1996-01-16 | Scimed Life Systems, Inc. | Intravascular catheter and method for use thereof |
US5180367A (en) * | 1989-09-06 | 1993-01-19 | Datascope Corporation | Procedure and balloon catheter system for relieving arterial or veinal restrictions without exchanging balloon catheters |
US5021043A (en) * | 1989-09-11 | 1991-06-04 | C. R. Bard, Inc. | Method and catheter for dilatation of the lacrimal system |
DE8910856U1 (de) * | 1989-09-12 | 1989-11-30 | Schneider (Europe) Ag, Zuerich, Ch | |
DE69002295T2 (de) | 1989-09-25 | 1993-11-04 | Schneider Usa Inc | Mehrschichtextrusion als verfahren zur herstellung von ballons zur gefaessplastik. |
US5108370A (en) * | 1989-10-03 | 1992-04-28 | Paul Walinsky | Perfusion balloon catheter |
US5024234A (en) * | 1989-10-17 | 1991-06-18 | Cardiovascular Imaging Systems, Inc. | Ultrasonic imaging catheter with guidewire channel |
US5256144A (en) * | 1989-11-02 | 1993-10-26 | Danforth Biomedical, Inc. | Low profile, high performance interventional catheters |
US5209728B1 (en) * | 1989-11-02 | 1998-04-14 | Danforth Biomedical Inc | Low profile high performance interventional catheters |
US5085662A (en) * | 1989-11-13 | 1992-02-04 | Scimed Life Systems, Inc. | Atherectomy catheter and related components |
US5344395A (en) * | 1989-11-13 | 1994-09-06 | Scimed Life Systems, Inc. | Apparatus for intravascular cavitation or delivery of low frequency mechanical energy |
US5131407A (en) * | 1989-12-01 | 1992-07-21 | C. R. Bard, Inc. | Guidewire with tracking member and catheter exchange system |
JP2528011B2 (ja) * | 1989-12-20 | 1996-08-28 | テルモ株式会社 | カテ―テル |
US5516336A (en) | 1990-02-07 | 1996-05-14 | Advanced Cardiovascular Systems, Inc. | Readily exchangeable perfusion dilatation catheter |
US5163949A (en) * | 1990-03-02 | 1992-11-17 | Bonutti Peter M | Fluid operated retractors |
US5078685A (en) * | 1990-07-27 | 1992-01-07 | Cordis Corporation | Catheter with exterior tunnel member |
US5217482A (en) * | 1990-08-28 | 1993-06-08 | Scimed Life Systems, Inc. | Balloon catheter with distal guide wire lumen |
US5395332A (en) * | 1990-08-28 | 1995-03-07 | Scimed Life Systems, Inc. | Intravascualr catheter with distal tip guide wire lumen |
EP0479730B1 (de) * | 1990-10-04 | 1995-04-19 | Schneider (Europe) Ag | Ballondilationskatheter |
US5143093A (en) * | 1990-10-05 | 1992-09-01 | Harvinder Sahota | Methods of angioplasty treatment of stenotic regions |
ATE157269T1 (de) | 1990-12-17 | 1997-09-15 | Cardiovascular Imaging Systems | Vaskularer katheter mit einem ein niedriges profil aufweisenden distalen ende |
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Also Published As
Publication number | Publication date |
---|---|
DE3442736C2 (de) | 1987-03-05 |
US4762129B1 (de) | 1991-07-02 |
WO1986003129A1 (en) | 1986-06-05 |
EP0203945B2 (de) | 1998-06-24 |
US4762129A (en) | 1988-08-09 |
EP0203945B1 (de) | 1989-08-02 |
DE3571935D1 (en) | 1989-09-07 |
EP0203945A1 (de) | 1986-12-10 |
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