DE4101935A1 - Intravascular valve for treating circulatory disorders - has radial ribs to support flow restrictor - Google Patents

Intravascular valve for treating circulatory disorders - has radial ribs to support flow restrictor

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Publication number
DE4101935A1
DE4101935A1 DE4101935A DE4101935A DE4101935A1 DE 4101935 A1 DE4101935 A1 DE 4101935A1 DE 4101935 A DE4101935 A DE 4101935A DE 4101935 A DE4101935 A DE 4101935A DE 4101935 A1 DE4101935 A1 DE 4101935A1
Authority
DE
Germany
Prior art keywords
valve body
covering
body according
radial
radial struts
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.)
Withdrawn
Application number
DE4101935A
Other languages
German (de)
Inventor
Matthias Dr Med Fischer
Michael Tosch
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE4101935A priority Critical patent/DE4101935A1/en
Publication of DE4101935A1 publication Critical patent/DE4101935A1/en
Withdrawn legal-status Critical Current

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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
    • A61F2/2421—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 non-pivoting rigid closure members
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
    • A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12168—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure
    • A61B17/12172—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device having a mesh structure having a pre-set deployed three-dimensional shape
    • 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
    • A61F2/2421—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 non-pivoting rigid closure members
    • A61F2/2424—Ball 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
    • A61F2/2469—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 resilient valve members, e.g. conical spiral
    • 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
    • A61F2/2475—Venous 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
    • A61F2/01—Filters implantable into blood vessels
    • A61F2002/016—Filters implantable into blood vessels made from wire-like elements
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/005—Rosette-shaped, e.g. star-shaped
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0067—Three-dimensional shapes conical
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0073—Quadric-shaped
    • A61F2230/0076—Quadric-shaped ellipsoidal or ovoid

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Transplantation (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Reproductive Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Prostheses (AREA)

Abstract

An intravascular valve for the treatment of circulatory disorders has a central shaft (4) to which radial ribs (3) are attached. The radial ribs have small feet (5) formed at their outer ends. The feet serve either to anchor the device in the blood vessel or to support an element (2) which restricts the blood flow. The ribs (3) are arranged in two stages with the lower stage supporting the element which restricts the flow of blood. USE/ADVANTAGE - Treatment of circulatory disorders. The device can be removed after the completion of the treatment.

Description

Die Erfindung betrifft einen abstoßbaren intravasalen Ventilkörper zur artefiziellen Ausrichtung der Perfusion von Teilen des Blutkreislaufes und anderer Körperkreis­ läufe.The invention relates to a rejectable intravascular Valve body for the artistic alignment of the perfusion of parts of the bloodstream and other body circuits runs.

In der medizinischen Praxis sind vielfältige Verfahren und dazugehörige Vorrichtungen zur perkutanen Gefäßerwei­ terung oder -offenhaltung, zum Gefäßverschluß oder zur Selektion von Perfusionsbestandteilen durch eingebrachte Siebe bzw. Filter bekannt. Zum vollständigen Gefäßver­ schluß finden Ballons oder Drahtwendel Anwendung. Bekannt ist aber auch die Verwendung von Quellkörpern bzw. Hieb­ stoffen.There are various procedures in medical practice and associated devices for percutaneous vasodilation maintenance or keeping open, for vascular occlusion or for Selection of perfusion components by means of introduced Sieves or filters known. For complete vascular ver Finally, balloons or wire coils are used. Known but is also the use of swelling bodies or slash fabrics.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrich­ tung für eine reversible intravasale ventilartige Perfu­ sionsausrichtung zu schaffen.The invention has for its object a Vorrich device for a reversible intravascular valve-like perfusion to create alignment.

Diese Aufgabe wird mit einem Ventilkörper der eingangs genannten Gattung erfindungsgemäß gelöst durch die Merk­ male des kennzeichnenden Teils des Anspruches 1. Vorteil­ hafte Ausführungsformen der Erfindung sind in den Unter­ ansprüchen gegeben.This task is done with a valve body at the beginning mentioned genus solved according to the invention by the Merk male of the characterizing part of claim 1. advantage adhesive embodiments of the invention are in the sub given claims.

Das Einbringen des erfindungsgemäßen Ventilkörpers in ein Gefäß erfolgt perkutan, transvasal über vorgeführte, an sich bekannte Hülsensysteme.The introduction of the valve body according to the invention in a Vessel is percutaneous, transvasal over demonstrated well-known sleeve systems.

Da Teile des Ventilkörpers und/oder die Ballonfüllung radiopaque sind, kann unter Röntgenkontrolle eine genaue Positionierung erfolgen. Das Entfernen des Implantates ist möglich.Because parts of the valve body and / or the balloon filling radiopaque are accurate under x-ray control Positioning. The removal of the implant is possible.

Die erfindungsgemäßen Ventilkörper ermöglichen es erst­ mals - unter Verzicht auf bisher übliche Operationen eine reversible Perfusionsausrichtung in Gefäßen zu er­ reichen. Vorteile der Erfindung ergeben sich aus der schonenden, weil perkutanen Applizierbarkeit der Ventil­ körper und dem damit möglichen Ersatz verschiedenster operativer Eingriffe. The valve body according to the invention only make it possible mals - without the usual operations reversible perfusion alignment in vessels pass. Advantages of the invention result from the gentle because the valve can be applied percutaneously body and the possible replacement of various surgical interventions.  

Entsprechende Anwendungsgebiete sind:Corresponding areas of application are:

  • - Beseitigung von Klappeninsuffizienzen bzw. die Wieder­ herstellung von hinsichtlich ihrer Ausrichtung suffizien­ ten Kreislaufströmungen (Herzklappen, Venenklappeninsuf­ fizienzen),- Elimination of valve insufficiency or the re production of suffices with regard to their orientation circulatory currents (heart valves, venous valve insuf fizienzen),
  • - Perfusionsausrichtung bei stattgehabter Strömungsum­ kehr.- Perfusion alignment with the flow around return.

Nachfolgend soll die Erfindung anhand von Ausführungsbei­ spielen erläutert werden. Die dazugehörenden Zeichnungen stellen dar:In the following, the invention is to be explained with reference to exemplary embodiments play are explained. The accompanying drawings represent:

Fig. 1: einen mehretagigen, bespannten Ventilkörper, Fig. 1 shows a multi-tier, strung valve body,

Fig. 2: Horizontalschnitt durch Fig. 1 (Körpermitte), FIG. 2 shows horizontal section through Fig 1 (middle of the body).

Fig. 3: einen einetagigen, bespannten Ventilkörper, Fig. 3 shows a einetagigen, strung valve body,

Fig. 4: Horizontalschnitt durch Fig. 3 (Körpermitte), FIG. 4 shows horizontal section through Fig 3 (center of the body).

Fig. 5: einen mehretagigen, teilbespannten Ventilkörper mit axial beweglicher Mittelstrebe, FIG. 5 shows a multi-tier, partially-drawn valve body with an axially moveable center strut,

Fig. 6: Horizontalschnitt durch Fig. 5 (Körpermitte), FIG. 6 shows horizontal section through Fig 5 (center of the body).

Fig. 7: einen Strebenkörper mit axial verschieblichem mittelständigen Ballon, FIG. 7 is a strut body with axially sliding-medium-sized balloon,

Fig. 8: Horizontalschnitt durch Fig. 7 (Körpermitte). Fig. 8: Horizontal section through Fig. 7 (body center).

AusführungsbeispieleEmbodiments Ausführungsbeispiel 1Embodiment 1

Dieses Ausführungsbeispiel bezieht sich auf die Fig. 1 und 2. Der intravasale Ventilkörper besteht aus einer mehretagigen Strebenkonstruktion aus Metall oder künst­ lichen Materialien, bei der die untere Etage mit natür­ lichem oder synthetischem Material doppelhalbkreisförmig bespannt ist. Die darüber liegenden Radialstreben 3 ver­ hindern bei Ausrichtung der Klappen in Perfusionsrich­ tung ein Umschlagen der Klappen. Bei Flußumkehr schließt der Klappenkörper. An den Radialstrebenenden befinden sich Auflagefüßchen 5 variabler Form, welche den Ventil­ körper im Gefäß 1 fixieren. Am unteren Pol der Mittel­ strebe 4 ist eine Rückzugöse 6 integriert. Die Radial­ streben 3 sind vorgespannt, so daß sie sich beim Zurück­ ziehen bzw. Ausstoß aus dem Hülsensystem an der vorge­ sehenden Implantationsstelle entfalten.This embodiment relates to FIGS. 1 and 2. The intravascular valve body consists of a multi-day strut construction made of metal or artificial materials, in which the lower floor is covered with natural or synthetic material in a semicircular manner. The overlying radial struts 3 prevent the flaps from turning when the flaps are aligned in the direction of perfusion. The valve body closes when the flow reverses. At the radial strut ends there are support feet 5 of variable shape, which fix the valve body in the vessel 1 . At the lower pole of the middle strut 4 , a retraction eyelet 6 is integrated. The radial struts 3 are biased so that they pull out when pulling back or expelling from the sleeve system at the pre-existing implantation site.

Ausführungsbeispiel 2Embodiment 2

Das Ausführungsbeispiel bezieht sich auf die Fig. 3 und 4. Dieser ein- oder mehretagige Ventilkörper besteht aus natürlichem oder synthetischem Material. Die Bespa­ nung 2 der Radialstreben 3 gestaltet sich derart, daß die Bespannung 2 von einer Radialstrebe 3 vollständig ausgeht, die benachbarte Radialstrebe 3 oberseitig über­ zieht und in Höhe der darauf folgenden Radialstrebe 3 mit, der benachbarten Bespannung 2 partiell verbunden ist und somit ein Umschlagen der Bespannung verhindert wird. Von allen Radialstreben 3 gehen o.g. Bespannungen 2 aus, Bei Durchströmung des Ventilkörpers werden die Bespannun­ gen 2 in Flußrichtung ausgerichtet. Bei Strömungsumkehr schließen die segelförmigen Bespannungen 2. Die überlap­ penden Radialstreben 3 verhindern ein Durchschlagender Bespannungen 2. Die Radialstreben 3 sind an ihren Enden mit Auflagefüßchen 5 variabler Form versehen, welche der Fixierung im Gefäß 1 dienen. Am unteren Pol des Körpers befindet sich eine Rückzugöse 6. Die Applikation erfolgt wie unter Ausführungsbeispiel 1 erläutert.The exemplary embodiment relates to FIGS. 3 and 4. This one- or multi-day valve body consists of natural or synthetic material. The Bespa voltage 2 of the radial struts 3 is designed such that the covering 2 extends completely from a radial strut 3 , the adjacent radial strut 3 pulls on top and at the level of the subsequent radial strut 3 with, the adjacent covering 2 is partially connected and thus a change the covering is prevented. Of all radial struts 3 go above coverings 2 from case flow through the valve body, the Bespannun be aligned gen 2 in the flow direction. When the flow reverses, the sail-shaped clothing 2 closes. The overlapping radial struts 3 prevent streaking of strings 2 . The radial struts 3 are provided at their ends with support feet 5 of variable shape, which serve to fix them in the vessel 1 . There is a retraction eyelet 6 on the lower pole of the body. The application takes place as explained in embodiment 1 .

Ausführungsbeispiel 3Embodiment 3

Dieses Ausführungsbeispiel bezieht sich auf die Fig. 5 und 6. Eine mehretagige Strebenkonstruktion aus metal­ lischem oder synthetischem Material ist an den übereinan­ derliegenden Etagen derart teilbespannt, daß einem be­ spannten Feld der einen Etage ein unbespanntes Feld der nächsten Etage in Flußrichtung folgt. Bei Körperdurch­ strömung wird die der ersten Etage folgende angehoben. Eine Mittelstrebe 4 mit endständiger Rückzugöse 6 limi­ tiert die axiale Verschieblichkeit. Bei Strömungsumkehr wird das Ventil wieder verschlossen. Der Fixierung im Ge­ fäß 1 dienen Auflagefüßchen 5 variabler Form, z. B. an der unteren Etage. Die Applikation erfolgt wie oben erläu­ tert. This embodiment relates to FIGS . 5 and 6. A multi-day strut construction made of metallic or synthetic material is so partially covered on the superimposed floors that a strung field of one floor is followed by an unstrung field of the next floor in the flow direction. When the body flows through, the one following the first floor is raised. A central strut 4 with a terminal retraction eyelet 6 limits the axial displacement. When the flow reverses, the valve is closed again. The fixation in Ge vessel 1 serve support feet 5 variable shape, for. B. on the lower floor. The application takes place as explained above.

Ausführungsbeispiel 4Embodiment 4

Dieses Ausführungsbeispiel bezieht sich auf die Fig. 7 und 8. Eine ellipsoidförmige Strebenkonstruktion aus synthetischem oder natürlichem Material wird im Gefäß 1 durch eine zirkumferente Bespannung 2 mit variabler Strukturierung 10 fixiert. Im Innenraum des Ellipsoids befindet sich ein Ballon 7, an dessen unteren Pol ein Verschlußventil 9 und eine Mittelstrebe 4 mit Rückzugöse 6 integriert sind. Die verschiebliche Mittelstrebe 4 ver­ läuft durch die Grundplatte 8 des Ellipsoids. Bei Körper­ durchströmung flottiert der Ballon 7, bei Strömungsumkehr wird der Ballon 7 bündig in den Bespannungsring verscho­ ben, das Ventil ist verschlossen. Die Applikation erfolgt wie o.g. beschrieben. Nach Füllen des Ballons 7 schließt das Verschlußventil 9 selbständig.This exemplary embodiment relates to FIGS. 7 and 8. An ellipsoidal strut construction made of synthetic or natural material is fixed in the vessel 1 by a circumferential covering 2 with variable structuring 10 . In the interior of the ellipsoid there is a balloon 7 , at the lower pole of which a closure valve 9 and a central strut 4 with a retraction eyelet 6 are integrated. The displaceable central strut 4 runs through the base plate 8 of the ellipsoid. When the body flows through, the balloon 7 floats, when the flow is reversed, the balloon 7 is pushed flush into the stringing ring, the valve is closed. The application is as described above. After filling the balloon 7 , the closure valve 9 closes automatically.

Liste der BezugszeichenList of reference numbers

 1 Gefäß
 2 Bespannung
 3 Radialstrebe
 4 Mittelstrebe
 5 Auflagefüßchen
 6 Rückzugöse
 7 Ballon
 8 Grundplatte
 9 Verschlußventil
10 Strukturierung 1 jar
2 covering
3 radial strut
4 center strut
5 support feet
6 retraction eye
7 balloon
8 base plate
9 closure valve
10 structuring

Claims (11)

1. Intravasaler Ventilkörper, dadurch gekennzeichnet, daß eine Mittelstrebe (4) mit weiteren Radialstreben (3) ver­ bunden ist, die entweder mit Auflagefüßchen (5) versehen, der Verankerung im Gefäß (1) oder der Fixierung einer partiellen Bespannung (2) oder als Widerlager für die Begrenzung der Beweglichkeit der Bespannung (2) dienen.1. Intravascular valve body, characterized in that a central strut ( 4 ) with further radial struts ( 3 ) is connected to either the support feet ( 5 ), the anchoring in the vessel ( 1 ) or the fixing of a partial covering ( 2 ) or serve as an abutment for limiting the mobility of the covering ( 2 ). 2. Intravasaler Ventilkörper nach Anspruch 1, dadurch gekennzeichnet, daß an der Mittelstrebe (4) zwei Etagen Radialstreben (3) übereinander angeordnet sind, wobei die untere Etage mit einer Bespannung (2) versehen ist.2. Intravascular valve body according to claim 1, characterized in that on the central strut ( 4 ) two levels of radial struts ( 3 ) are arranged one above the other, the lower level being provided with a covering ( 2 ). 3. Intravasaler Ventilkörper nach Anspruch 1 und 2, dadurch gekennzeichnet, daß alle Radialstreben (3) Auf­ lagefüßchen (5) variabler Form tragen.3. Intravascular valve body according to claim 1 and 2, characterized in that all radial struts ( 3 ) on position feet ( 5 ) carry variable shape. 4. Intravasaler Ventilkörper nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Bespannung (2) so an den Radialstreben (3) angeordnet ist, daß zwischen zwei Fix­ punkten eine lose Auflage auf einer Radialstrebe (3) er- folgt.4. Intravascular valve body according to claim 1 to 3, characterized in that the covering ( 2 ) is arranged on the radial struts ( 3 ) that points between two fixed points a loose support on a radial strut ( 3 ). 5. Intravasaler Ventilkörper nach Anspruch 1 und 3, da­ durch gekennzeichnet, daß die Mittelstrebe (4) in einer Ebene kegelförmig angeordneter Radialstreben (3) über­ geht, die allesamt eine solche Bespannung (2) tragen, daß diese von einer vollständig bespannten Radialstrebe (3) ausgehend, der nächsten Radialstrebe (3) oberseitig auf­ liegt und in Höhe der dritten Radialstrebe (3) an der benachbarten Bespannung (2) derart partiell befestigt ist, daß ein Umschlagen der Bespannung (2) unmöglich wird.5. Intravascular valve body according to claim 1 and 3, characterized in that the central strut ( 4 ) passes in a plane conically arranged radial struts ( 3 ), all of which carry such a covering ( 2 ) that they are from a completely covered radial strut ( 3 ) starting, the next radial strut ( 3 ) lies on top and is partially attached to the adjacent covering ( 2 ) at the level of the third radial strut ( 3 ) in such a way that the covering ( 2 ) cannot be turned. 6. Intravasaler Ventilkörper nach Anspruch 1, dadurch gekennzeichnet, daß an einer Mittelstrebe (4) die obere Etage kegelförmig angeordneter Radialstreben (3), die in ihrem größten Durchmesser kleiner als der Gefäßdurchmes­ ser ist, fest und die untere Etage kegelförmig angeordne­ ter Radialstreben (3) lose so angeordnet ist, daß ein horizontales Verdrehen der oberen Etage der Radialstreben (3) nicht möglich ist.6. Intravascular valve body according to claim 1, characterized in that on a central strut ( 4 ) the upper floor conically arranged radial struts ( 3 ), which is smaller in its largest diameter than the Gefäßdurchmes water, fixed and the lower floor conically arranged ter radial struts ( 3 ) is loosely arranged so that horizontal rotation of the upper level of the radial struts ( 3 ) is not possible. 7. Intravasaler Ventilkörper nach Anspruch 1, dadurch gekennzeichnet, daß die sich zwischen den Radialstreben (3) ergebenden Felder derart abwechselnd bespannt und un­ bespannt sind, daß einem bespannten Feld der unteren Etage ein unbespanntes Feld der oberen Etage der Radial­ streben (3) folgt.7. Intravascular valve body according to claim 1, characterized in that the fields between the radial struts ( 3 ) resulting fields are so alternately covered and uncovered that a covered field of the lower floor an uncovered field of the upper floor of the radial struts ( 3 ) . 8. Intravasaler Ventilkörper nach Anspruch 1, dadurch gekennzeichnet, daß die einen Ballon (7) mit Verschluß­ ventil (9) tragende Mittelstrebe (4) in einer Grundplatte (8) läuft, an der die mit einer zirkumferenten Bespannung (2) versehenen Radialstreben (3), so befestigt sind, daß sie ein Ellipsoid bilden und daß die Bespannung (2) den Gefäßdurchmesser unterhalb des Ballons (7) so verringert, daß der Durchmesser des Ballons (7) größer als der Durch­ messer der zirkumferenten Bespannung (2) ist.8. Intravascular valve body according to claim 1, characterized in that the balloon ( 7 ) with a closure valve ( 9 ) carrying the central strut ( 4 ) in a base plate ( 8 ) on which the circumferential covering ( 2 ) provided radial struts ( 3 ) are attached so that they form an ellipsoid and that the covering ( 2 ) reduces the vessel diameter below the balloon ( 7 ) so that the diameter of the balloon ( 7 ) is larger than the diameter of the circumferential covering ( 2 ) . 9. Intravasaler Ventilkörper nach Anspruch 1 bis 7, dadurch gekennzeichnet, daß die Mittelstrebe (4) eine Rückzugöse (6) trägt.9. Intravascular valve body according to claim 1 to 7, characterized in that the center bar (4) carries a Rückzugöse (6). 10. Intravasaler Ventilkörper nach Anspruch 8, dadurch gekennzeichnet, daß die Grundplatte (8) die Rückzugöse (6) trägt.10. Intravascular valve body according to claim 8, characterized in that the base plate ( 8 ) carries the retraction eyelet ( 6 ). 11. Intravasaler Ventilkörper nach Anspruch 1 bis 10, dadurch gekennzeichnet, daß er entweder in seiner Gesamt­ heit oder Teile davon radiopaque sind.11. intravascular valve body according to claim 1 to 10, characterized in that it is either in its total unit or parts thereof are radiopaque.
DE4101935A 1991-01-21 1991-01-21 Intravascular valve for treating circulatory disorders - has radial ribs to support flow restrictor Withdrawn DE4101935A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4101935A DE4101935A1 (en) 1991-01-21 1991-01-21 Intravascular valve for treating circulatory disorders - has radial ribs to support flow restrictor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4101935A DE4101935A1 (en) 1991-01-21 1991-01-21 Intravascular valve for treating circulatory disorders - has radial ribs to support flow restrictor

Publications (1)

Publication Number Publication Date
DE4101935A1 true DE4101935A1 (en) 1992-07-23

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0667133A1 (en) * 1993-12-14 1995-08-16 Sante Camilli A percutaneous implantable valve for the use in blood vessels
WO1996019159A1 (en) * 1994-12-21 1996-06-27 Claude Franceschi Artificial valve for a blood vessel
WO2001056512A1 (en) * 2000-02-02 2001-08-09 Snyders Robert V Artificial heart valve
WO2001067989A3 (en) * 2000-03-10 2002-09-06 Michael T Anthony Don Vascular embolism preventon device employing filters
EP1476095A2 (en) * 2002-02-20 2004-11-17 Francisco J. Osse Venous bi-valve
US6821297B2 (en) 2000-02-02 2004-11-23 Robert V. Snyders Artificial heart valve, implantation instrument and method therefor
WO2005044138A2 (en) 2003-10-31 2005-05-19 Cordis Corporation Implantable valvular prothesis
EP1707233A2 (en) * 1996-02-02 2006-10-04 Transvascular, Inc. Apparatus for blocking flow through blood vessels
US7175656B2 (en) * 2003-04-18 2007-02-13 Alexander Khairkhahan Percutaneous transcatheter heart valve replacement
US7214237B2 (en) 2001-03-12 2007-05-08 Don Michael T Anthony Vascular filter with improved strength and flexibility
EP1786503A2 (en) * 2004-08-02 2007-05-23 Merkrechten en Patenten Nederland B.V. Device and method for treating a vessel

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5607465A (en) * 1993-12-14 1997-03-04 Camilli; Sante Percutaneous implantable valve for the use in blood vessels
EP0667133A1 (en) * 1993-12-14 1995-08-16 Sante Camilli A percutaneous implantable valve for the use in blood vessels
WO1996019159A1 (en) * 1994-12-21 1996-06-27 Claude Franceschi Artificial valve for a blood vessel
FR2728457A1 (en) * 1994-12-21 1996-06-28 Franceschi Claude ARTIFICIAL VALVE FOR BLOOD VESSEL
EP1707233A2 (en) * 1996-02-02 2006-10-04 Transvascular, Inc. Apparatus for blocking flow through blood vessels
WO2001056512A1 (en) * 2000-02-02 2001-08-09 Snyders Robert V Artificial heart valve
US6540782B1 (en) 2000-02-02 2003-04-01 Robert V. Snyders Artificial heart valve
US6821297B2 (en) 2000-02-02 2004-11-23 Robert V. Snyders Artificial heart valve, implantation instrument and method therefor
WO2001067989A3 (en) * 2000-03-10 2002-09-06 Michael T Anthony Don Vascular embolism preventon device employing filters
US6485502B2 (en) 2000-03-10 2002-11-26 T. Anthony Don Michael Vascular embolism prevention device employing filters
US7214237B2 (en) 2001-03-12 2007-05-08 Don Michael T Anthony Vascular filter with improved strength and flexibility
EP1476095A4 (en) * 2002-02-20 2007-04-25 Francisco J Osse Venous bi-valve
EP1476095A2 (en) * 2002-02-20 2004-11-17 Francisco J. Osse Venous bi-valve
US7175656B2 (en) * 2003-04-18 2007-02-13 Alexander Khairkhahan Percutaneous transcatheter heart valve replacement
EP1684667A2 (en) * 2003-10-31 2006-08-02 Cordis Corporation Implantable valvular prothesis
JP2007509700A (en) * 2003-10-31 2007-04-19 コーディス・コーポレイション Implantable valve prosthesis
WO2005044138A2 (en) 2003-10-31 2005-05-19 Cordis Corporation Implantable valvular prothesis
EP1684667A4 (en) * 2003-10-31 2007-05-09 Cordis Corp Implantable valvular prothesis
EP1786503A2 (en) * 2004-08-02 2007-05-23 Merkrechten en Patenten Nederland B.V. Device and method for treating a vessel
EP1786503A4 (en) * 2004-08-02 2012-08-29 Vvt Medical Ltd Device and method for treating a vessel
US8545532B2 (en) 2004-08-02 2013-10-01 V.V.T. Med Ltd. Device and method for treating a vessel
US9566070B2 (en) 2004-08-02 2017-02-14 V.V.T. Med Ltd. Device and method for treating a vessel

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