CA2456002A1 - Ensemble permettant la mise en place d'une valve prothetique dans un conduit corporel - Google Patents

Ensemble permettant la mise en place d'une valve prothetique dans un conduit corporel Download PDF

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Publication number
CA2456002A1
CA2456002A1 CA002456002A CA2456002A CA2456002A1 CA 2456002 A1 CA2456002 A1 CA 2456002A1 CA 002456002 A CA002456002 A CA 002456002A CA 2456002 A CA2456002 A CA 2456002A CA 2456002 A1 CA2456002 A1 CA 2456002A1
Authority
CA
Canada
Prior art keywords
assembly
tubular portion
valve
reinforcing elements
support
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
CA002456002A
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English (en)
Other versions
CA2456002C (fr
Inventor
Jacques Seguin
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.)
Medtronic CoreValve LLC
Original Assignee
Jacques Seguin
Corevalve, Inc.
Medtronic Corevalve Llc
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8866151&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2456002(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Jacques Seguin, Corevalve, Inc., Medtronic Corevalve Llc filed Critical Jacques Seguin
Publication of CA2456002A1 publication Critical patent/CA2456002A1/fr
Application granted granted Critical
Publication of CA2456002C publication Critical patent/CA2456002C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61F2/2412—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
    • A61F2/2418—Scaffolds therefor, e.g. support stents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • 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
    • A61F2/2427—Devices for manipulating or deploying heart valves during implantation
    • A61F2/243—Deployment by mechanical expansion
    • A61F2/2433—Deployment by mechanical expansion using balloon catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/064—Surgical staples, i.e. penetrating the tissue
    • A61B17/0644—Surgical staples, i.e. penetrating the tissue penetrating the tissue, deformable to closed position
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • A61B17/1155—Circular staplers comprising a plurality of staples
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A61B2017/00557—Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated inflatable
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0008—Fixation appliances for connecting prostheses to the body
    • A61F2220/0016—Fixation appliances for connecting prostheses to the body with sharp anchoring protrusions, e.g. barbs, pins, spikes
    • 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
    • A61F2230/0078—Quadric-shaped hyperboloidal

Abstract

Cet ensemble (1) comprend la valve prothétique (3) à implanter et un support (2) recevant cette valve (3). Selon l'invention, le support (2) comprend: au moins une portion tubulaire (4) en matériau souple faiblement étirable dans le sens circonférentiel; des moyens (6) de fixation de cette portion tubulaire (4) à la paroi du conduit corporel, et une pluralité d'éléments allongés d'armature (5), disposés sur la circonférence de ladite portion tubulaire (4) et reliés à cette portion tubulaire (4) de manière indépendante les uns des autres; la valve (3) est reliée au moins partiellement à ces éléments allongés d'armature (5), notamment au niveau des commissures (3a) de ses valvules, et ces éléments allongés d'armature (5) forment conjointement, en position déployée, une structure ayant un diamètre prédéterminé qui assure le déploiement adéquat de cette valve (3).

Claims (16)

REVENDICATIONS
1 - Ensemble (1) permettant la mise en place d'une valve prothétique (3) dans un conduit corporel, comprenant la valve prothétique (3) à implanter et un support (2) recevant cette valve (3), la valve (3) et le support (2) étant conformés de manière à pouvoir adopter une position de contraction radiale, qui permet leur insertion dans le conduit corporel à
équiper à l'aide de moyens (10) d'insertion / déploiement, et une position de déploiement radial, dans laquelle le support (2) est immobilisé par rapport à la paroi du conduit corporel à équiper ;
ensemble (1) caractérisé en ce que le support (2) comprend:
- au moins une portion tubulaire (4) en matériau souple faiblement étirable dans le sens circonférentiel, qui présente, dans sa position de déploiement, une dimension dans le sens circonférentiel correspondant sensiblement à la dimension dans le sens circonférentiel de l'emplacement (101, 102) du conduit corporel en regard duquel cette portion tubulaire (4) doit être implantée;
- des moyens (6) de fixation de cette portion tubulaire (4) à la paroi du conduit corporel, et - une pluralité d'éléments allongés d'armature (5), disposés sur la circonférence de ladite portion tubulaire (4) et reliés à cette portion tubulaire (4) de manière indépendante les uns des autres ; la valve (3) est reliée au moins partiellement à ces éléments allongés d'armature (5), notamment au niveau des commissures (3a) de ses valvules, et ces éléments allongés d'armature (5) forment conjointement, en position déployée, une structure ayant un diamètre prédéterminé qui assure le déploiement adéquat de cette valve (3).
2 - Ensemble (1) selon la revendication 1, caractérisé en ce que la valve (3) présente un anneau de base permettant sa liaison étanche, notamment par suture, à ladite portion tubulaire (4) ou à l'une desdites portions tubulaires (4).
3 - Ensemble (1) selon la revendication 1 ou la revendication 2, pour l'implantation d'une valve aortique (3), caractérisé en ce que ladite portion tubulaire (4), ou une paroi périphérique (3b) que comprend la valve (3), présente des ouvertures latérales (18) de manière à permettre un écoulement naturel du sang vers les ostia coronaires (103), sans risque de stagnation.
4 - Ensemble (1) selon l'une des revendications 1 à 3, caractérisé en ce que la ou lesdites portions tubulaires présentent au moins une chambre périphérique gonflable, pouvant être gonflée de manière à
former un joint assurant l'étanchéité entre cette portion tubulaire et la paroi du conduit corporel à équiper.
- Ensemble (1) selon l'une des revendications 1 à 4, pour l'implantation d'une valve aortique (3), caractérisé en ce que la zone proximale de ladite portion tubulaire, ou de la portion tubulaire (4) proximale en cas de pluralité de portions tubulaires, présente une forme tronconique adaptée à prendre appui contre la paroi du ventricule.
6 - Ensemble (1) selon l'une des revendications 1 à 5, caractérisé en ce que lesdits moyens de fixation sont constitués par des agrafes d'ancrage (6) présentant des branches d'ancrage, ces branches d'ancrage venant s'insérer dans la paroi du conduit corporel à équiper en fin de déploiement de cette ou ces portions tubulaires (4).
7 - Ensemble (1) selon la revendication 6, caractérisé en ce que les agrafes (6) sont plastiquement déformables et en ce que des moyens (5b, 15) sont prévus pour déployer les branches d'ancrage de ces agrafes (6) de manière non radiale, notamment en oblique ou selon une trajectoire courbe.
8 - Ensemble (1) selon la revendication 6, caractérisé en ce qu'au moins une agrafe (6) est en un matériau à mémoire de forme tel que l'alliage de nickel et de titane connu sous la dénomination "NITINOL".
9 - Ensemble (1) selon l'une des revendications 1 à 8, caractérisé en ce que lesdits moyens de fixation comprennent une colle biologique.
- Ensemble (1) selon la revendication 9, caractérisé en ce que la colle est contenue dans des vésicules ruptibles placées sur la face radialement externe de la ou des portions tubulaires.
11 - Ensemble (1) selon l'une des revendications 1 à 10, caractérisé en ce que chaque élément allongé d'armature (5) présente une forme courbe et est disposé avec son côté convexe tourné radialement vers l'intérieur du support (2), de telle sorte que ce support (2) présente, au niveau de sa zone médiane, un diamètre inférieur par rapport à celui qu'il présente au niveau de ses extrémités axiales.
12 - Ensemble (1) selon l'une des revendications 1 à 11, caractérisé en ce que le support (2) comprend :
- deux portions tubulaires (4) telles que précitées, et - l'une des extrémités desdits éléments allongés d'armature (5) est reliée à l'une de ces portions tubulaires (4) tandis que l'autre extrémité
de ces éléments allongés d'armature (5) est reliée à l'autre portion tubulaire (4).
13 - Ensemble selon l'une des revendications 1 à 11, caractérisé en ce que le support comprend une portion tubulaire unique s'étendant sur l'ensemble du support, à la paroi de laquelle sont reliés lesdits éléments allongés d'armature.
14 - Ensemble selon l'une des revendications 1 à 11, caractérisé en ce que le support (2) comprend une portion tubulaire (4) unique, de laquelle font saillie, sur une extrémité axiale de cette portion tubulaire (4), lesdits éléments allongés d'armature (5).
15 - Ensemble selon l'une des revendications 1 à 14, caractérisé en ce que les éléments allongés d'armature présentent une forme rectiligne au repos et sont contraints au niveau de leur partie centrale par un élément bridant leur expansion radialement afin de leur donner une courbure vers l'intérieur du conduit corporel.

16 - Moyens (10) d'insertion/déploiement pour la mise en place de l'ensemble (1) selon l'une des revendications 12 à 15, caractérisés en ce qu'ils comprennent un cathéter (11) d'écoulement du sang le temps de l'implantation de l'ensemble (1), au moins un ballonnet (13, 14) de déploiement d'au moins une portion tubulaire (4) et une gaine (9) de maintien de cette portion tubulaire (4) et des éléments allongés d'armature (5) dans une position de contraction.

17 - Moyens (10) d'insertion/déploiement selon la revendication 16, caractérisés en ce qu'ils comprennent un moyen proximal (12, 25, 36) de positionnement, dimensionné pour prendre appui contre la paroi (104) du ventricule.

18 - Moyens (10) d'insertion/déploiement selon la revendication
16 ou la revendication 17, caractérisés en ce qu'ils comprennent une pompe facilitant l'écoulement du sang au-delà de l'ensemble (1) le temps de l'implantation.
CA2456002A 2001-07-31 2002-07-30 Ensemble permettant la mise en place d'une valve prothetique dans un conduit corporel Expired - Lifetime CA2456002C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0110281A FR2828091B1 (fr) 2001-07-31 2001-07-31 Ensemble permettant la mise en place d'une valve prothetique dans un conduit corporel
FR01/10281 2001-07-31
PCT/FR2002/002745 WO2003011195A2 (fr) 2001-07-31 2002-07-30 Ensemble permettant la mise en place d'une valve prothetique dans un conduit corporel

Publications (2)

Publication Number Publication Date
CA2456002A1 true CA2456002A1 (fr) 2003-02-13
CA2456002C CA2456002C (fr) 2010-07-20

Family

ID=8866151

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2456002A Expired - Lifetime CA2456002C (fr) 2001-07-31 2002-07-30 Ensemble permettant la mise en place d'une valve prothetique dans un conduit corporel

Country Status (11)

Country Link
US (1) US7682390B2 (fr)
EP (1) EP1411865B1 (fr)
JP (1) JP4212474B2 (fr)
AT (1) ATE440568T1 (fr)
AU (1) AU2002334045B2 (fr)
CA (1) CA2456002C (fr)
DE (1) DE60233503D1 (fr)
DK (1) DK1411865T3 (fr)
ES (1) ES2335652T3 (fr)
FR (1) FR2828091B1 (fr)
WO (1) WO2003011195A2 (fr)

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JP2004535897A (ja) 2004-12-02
AU2002334045B2 (en) 2007-11-08
ES2335652T3 (es) 2010-03-31
FR2828091B1 (fr) 2003-11-21
EP1411865A2 (fr) 2004-04-28
WO2003011195A3 (fr) 2004-02-12
US7682390B2 (en) 2010-03-23
FR2828091A1 (fr) 2003-02-07
US20050033398A1 (en) 2005-02-10
ATE440568T1 (de) 2009-09-15
DE60233503D1 (de) 2009-10-08
JP4212474B2 (ja) 2009-01-21
WO2003011195A2 (fr) 2003-02-13
EP1411865B1 (fr) 2009-08-26

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