FR2645739A1 - Cardiac assistance device and its use - Google Patents

Cardiac assistance device and its use Download PDF

Info

Publication number
FR2645739A1
FR2645739A1 FR8904955A FR8904955A FR2645739A1 FR 2645739 A1 FR2645739 A1 FR 2645739A1 FR 8904955 A FR8904955 A FR 8904955A FR 8904955 A FR8904955 A FR 8904955A FR 2645739 A1 FR2645739 A1 FR 2645739A1
Authority
FR
France
Prior art keywords
pocket
semi
rigid
pockets
wall
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Withdrawn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
FR8904955A
Other languages
French (fr)
Inventor
Guy Mentzer
Jean-Jacques Danes
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.)
VM TECH SA
Original Assignee
VM TECH SA
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 VM TECH SA filed Critical VM TECH SA
Priority to FR8904955A priority Critical patent/FR2645739A1/en
Publication of FR2645739A1 publication Critical patent/FR2645739A1/en
Withdrawn legal-status Critical Current

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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
    • A61M60/191—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart mechanically acting upon the outside of the patient's native heart, e.g. compressive structures placed around the heart
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/289—Devices for mechanical circulatory actuation assisting the residual heart function by means mechanically acting upon the patient's native heart or blood vessel structure, e.g. direct cardiac compression [DCC] devices
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/465—Details relating to driving for devices for mechanical circulatory actuation
    • A61M60/47—Details relating to driving for devices for mechanical circulatory actuation the force acting on the actuation means being mechanical, e.g. mechanically driven members clamping a blood vessel
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/839—Constructional details other than related to driving of devices for mechanical circulatory actuation
    • 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
    • A61M60/871—Energy supply devices; Converters therefor
    • A61M60/882—Devices powered by the patient, e.g. skeletal muscle powered devices

Abstract

The present invention concerns a cardiac assistance device and its use. The cardiac assistance device is characterised in that it comprises a bag 1 consisting of a semi-rigid wall, having a shape adapted to the outer shape of the myocardium, the bag comprising in its upper open part an annular rim 10 in which a tightening cord 2 is arranged, at least two flexible walls 3, 4 positioned inside the bag and integral with the inner wall of the semi-rigid bag 1 via the periphery of their contour 31, 41, in such a way as to form inflatable bags, and tubes 32, 4e, 34, 44 for supplying gas to each of the bags.

Description

DIPOSITIF D'ASSISTANCE CARDIAOUE ET SON UTILISATION
La présente invention concerne un dispositif d'assistance cardiaque et l'utilisation d'un tel dispositif.CARDIAC SUPPORT DIPOSITIVE AND ITS USE
The present invention relates to a cardiac assist device and the use of such a device.

Il est connu une méthode d'assistance cardiaque, permettant d'assister le travail du myocarde, qui consiste à prélever un muscle dorsal du patient, à passer ce muscle dorsal autour du myocarde et à stimuler ce muscle par un stimulateur cardiaque. A method of cardiac assistance is known, making it possible to assist the work of the myocardium, which consists in taking a dorsal muscle from the patient, in passing this dorsal muscle around the myocardium and in stimulating this muscle by a pacemaker.

Cette méthode présente l'inconvénient d'un manque d'efficacité car le muscle dorsal prélevé, au bout d'un certain temps d'utilisation électrique, se nécrose. This method has the disadvantage of a lack of efficiency because the dorsal muscle removed, after a certain time of electrical use, becomes necrotic.

Le but de l'invention est donc de proposer un dispositif fiable dans le temps. The object of the invention is therefore to propose a device which is reliable over time.

Ce but est atteint par le fait que le dispositif d'assistance cardiaque est caractérisé en ce qu'il comporte une poche constituée d'une paroi semi-rigide, de forme adaptée à la forme extérieure du myocarde, cette poche comportant à sa partie ouverte supérieure un bourrelet annulaire dans lequel est disposé un cordon de serrage, au moins deux parois souples placées à l'intérieur de la poche et solidaires de la paroi interne de la poche par la périphérie de leur contour, de façon å former des poches gonflables, et des tuyaux d'amenée de gaz à chacune des poches. This object is achieved by the fact that the cardiac assistance device is characterized in that it comprises a pocket consisting of a semi-rigid wall, of a shape adapted to the external shape of the myocardium, this pocket comprising at its open part upper an annular bead in which is disposed a drawstring, at least two flexible walls placed inside the pocket and integral with the internal wall of the pocket by the periphery of their outline, so as to form inflatable pockets, and gas supply pipes to each of the pockets.

Un deuxième but de l'invention est de proposer une meilleure assistance du muscle cardiaque. A second object of the invention is to provide better assistance for the heart muscle.

Ce but est atteint par le fait que la poche semirigide comporte à l'intérieur trois poches gonflables dont deux sont destinees à se retrouver en vis-å-vis du ventricule gauche après mise en place du coeur dans la poche semi-rigide. This object is achieved by the fact that the semirigid pocket has inside three inflatable pockets, two of which are intended to be found opposite the left ventricle after placing the heart in the semi-rigid pocket.

Selon une autre caractéristique, les poches gonflables sont rendues solidaires de la paroi interne par thermosoudure ou collage et sont constituées en silicone souple.  According to another characteristic, the inflatable bags are made integral with the internal wall by heat sealing or gluing and are made of flexible silicone.

Selon une autre caractéristique les tuyaux d'amenée de gaz sont reliés à une pompe de contre-pulsion pour gonfler et dégonfler les poches selon une séquence et un rythme déterminés. According to another characteristic, the gas supply pipes are connected to a counterpulse pump to inflate and deflate the bags in a determined sequence and rhythm.

Un autre but de l'invention est de proposer un dispositif permettant une mise en place définitive ou de longue durée. Another object of the invention is to propose a device allowing permanent or long-term installation.

Ce but est atteint par le fait que le dispositif comporte des moyens de fixation permettant la fixation de la poche semi-rigide à l'intérieur de la paroi thoracique et selon une autre caractéristique par le fait que les tuyaux diamente comportent des renforts intérieurs et/ou extérieurs. This object is achieved by the fact that the device comprises fixing means allowing the fixing of the semi-rigid pocket inside the thoracic wall and according to another characteristic by the fact that the diamente pipes have internal reinforcements and / or outside.

Un dernier but est de proposer une utilisation du dispositif. A final aim is to propose a use of the device.

Ce but est atteint par le fait qu'après mise en place du dispositif et introduction du coeur dans la poche semi-rigide, la pompe de contre-pulsion déclenche le gonflage et le dégonflage des poches selon une séquence et un rythme déterminés. This object is achieved by the fact that after the device has been put in place and the heart has been inserted into the semi-rigid pocket, the counterpulsation pump triggers the inflation and deflation of the pockets according to a determined sequence and rhythm.

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description ci-apres faite en référence aux dessins annexés dans lesquels
- la figure I représente une vue en coupe partielle du dispositif de l'invention ;
- la figure 2 représente une vue de dessus du même dispositif
- la figure 3 représente une vue de dessous du même dispositif
- la figure 4 représente une vue de côté du dispositif avec une vue en coupe du muscle myocarde après mise en place dans le dispositif.Other characteristics and advantages of the present invention will appear more clearly on reading the description below made with reference to the accompanying drawings in which
- Figure I shows a partial sectional view of the device of the invention;
- Figure 2 shows a top view of the same device
- Figure 3 shows a bottom view of the same device
- Figure 4 shows a side view of the device with a sectional view of the myocardial muscle after placement in the device.

Le dispositif de l'invention comporte une poche (1) semi-rigide ayant substantiellement une forme ovoïde dont la partie supérieure est enlevée.  The device of the invention comprises a semi-rigid pocket (1) having substantially an ovoid shape from which the upper part is removed.

Cette poche ouverte à sa partie supérieure comporte un rebord (10) formant substantiellement un tore creux à l'intérieur duquel circule un cordon (2) qui, comme on peut le voir à la figure (2) débouche par les ouvertures (100, 101) du tore à l'extérieur de la poche (1). This pocket open at its upper part has a rim (10) substantially forming a hollow torus inside which flows a cord (2) which, as can be seen in Figure (2) opens through the openings (100, 101 ) from the torus outside the pocket (1).

Cette poche (1) est constituée d'une coque en silicone rendue semi-rigide par exemple par un passage au four ou une vulcanisation. This pocket (1) consists of a silicone shell made semi-rigid for example by passage through the oven or vulcanization.

A l'intérieur de la poche semi-rigide sont matérialisées trois poches souples (3, 4, 5) constituées par des feuilles en silicone souple dont le contour respectif (31, 41, 51) est rendu solidaire de la paroi interne de la poche semi-rigide (1) par collage ou thermosoudage. Inside the semi-rigid pocket are materialized three flexible pockets (3, 4, 5) constituted by flexible silicone sheets whose respective contour (31, 41, 51) is made integral with the internal wall of the pocket semi-rigid (1) by gluing or heat sealing.

Sur la figure 1 les bords (30) et (50) représentent le bord de la coupe réalisée sur les poches (3) et (5) en supposant celles-ci semi-gonflées. In Figure 1 the edges (30) and (50) represent the edge of the cut made on the pockets (3) and (5) assuming they are semi-inflated.

Dans la cavité formée par chacune des feuilles en silicone (3, 4, 5) et la paroi interne de la poche semirigide (1) débouche un embout d'amenée respectif (32, 42, 52 > .  In the cavity formed by each of the silicone sheets (3, 4, 5) and the internal wall of the semi-rigid pocket (1) opens a respective supply nozzle (32, 42, 52>.

Comme on peut le voir sur la section de la figure 1, chaque embout d'amenée (52) respectivement (42, 32) traverse la paroi semi-rigide (1) et débouche à l'intérieur de sa poche (5, 4, 3). As can be seen in the section of FIG. 1, each supply end piece (52) respectively (42, 32) passes through the semi-rigid wall (1) and opens into its pocket (5, 4, 3).

Cet embout comporte des renforts externes (520) et éventuellement des renforts internes (521) de façon à améliorer l'étanchéité du dispositif. This tip includes external reinforcements (520) and possibly internal reinforcements (521) so as to improve the sealing of the device.

Chaque embout (32, 42, 52) est rendu solidaire d'un tube respectif (34, 44, 54) d'amenée du gaz de gonflage des poches. Ces tubes d'amenée (34, 44, 54) ont un diamètre de 6 mm et sont renforcés pour éviter un écrasement du tube en cas de pliage. Each end piece (32, 42, 52) is made integral with a respective tube (34, 44, 54) for supplying the inflating gas to the bags. These supply tubes (34, 44, 54) have a diameter of 6 mm and are reinforced to avoid crushing of the tube in the event of bending.

Les lignes (31, 41, 51) matérialisent sur les figures 1, 2, 3 les contours respectifs des feuilles constituant les poches et par conséquent les lignes de solidarisation de ces-feuilles avec la poche interne. The lines (31, 41, 51) materialize in Figures 1, 2, 3 the respective contours of the sheets constituting the pockets and therefore the lines for securing these sheets with the internal pocket.

Pour fixer les idées et à titre d'exemple, la dimension maximale de la poche semi-rigide est de 105 mm alors que la dimension de l'ouverture délimitée par le bourrelet (10) est de l'ordre de 75 mm. To fix the ideas and by way of example, the maximum dimension of the semi-rigid pocket is 105 mm while the dimension of the opening delimited by the bead (10) is of the order of 75 mm.

Enfin la forme de la poche difficile à definir par une forme géométrique traditionnelle est de forme adaptée à recevoir le muscle myocarde. Finally, the shape of the pocket, difficult to define by a traditional geometric shape, is of a shape adapted to receive the myocardial muscle.

Les tuyaux d'amenée (34, 44, 54) sont réunis en un seul faisceau protégé par une gaine (6). The supply pipes (34, 44, 54) are combined in a single bundle protected by a sheath (6).

La figure 3 représente une vue de dessous de la poche semi-rigide sur laquelle on peut voir que le fond de la poche est rendu solidaire d'une pièce de fixation (7), cette pièce de fixation (7) pouvant être constituée de façon avantageuse par un tissu nylon silicone collé sur le fond externe de la prothèse. Cette pièce de fixation permet la fixation de la prothèse à l'intérieur de la cage thoracique. FIG. 3 represents a bottom view of the semi-rigid pocket on which it can be seen that the bottom of the pocket is made integral with a fixing piece (7), this fixing piece (7) being able to be constituted in such a way advantageous by a silicone nylon fabric bonded to the external bottom of the prosthesis. This fastening piece allows the prosthesis to be fixed inside the rib cage.

L'utilisation du dispositif est représenté à la figure (4) sur laquelle on peut voir un muscle cardiaque (8) mis en place dans l'ouverture de la poche de façon à ce que le ventricule droit (80) et le ventricule gauche (81) soient à l'intérieur du volume défini par la paroi interne de la poche semi-rigide. The use of the device is shown in Figure (4) on which we can see a heart muscle (8) placed in the opening of the pocket so that the right ventricle (80) and the left ventricle ( 81) are inside the volume defined by the internal wall of the semi-rigid pocket.

La poche (l) est serrée autour du muscle myocarde grâce au cordon (2) et après cette opération on fixe la prothèse grâce i la pièce de fixation (7) sur la paroi thoracique. The pocket (l) is tightened around the myocardial muscle thanks to the cord (2) and after this operation the prosthesis is fixed thanks to the fixing piece (7) on the chest wall.

Les tuyaux d'amenée des gaz (34, 44, 54) passant par les espaces intercostaux sont reliés à une pompe de contre-pression aortique du type de celle commercialisée, par exemple, par la Société ARIES NEDICAL, sous la référence 700.  The gas supply pipes (34, 44, 54) passing through the intercostal spaces are connected to an aortic back pressure pump of the type sold, for example, by the company ARIES NEDICAL, under the reference 700.

Le cordon de serrage de la prothèse vient substantiellement se fixer au niveau de la valvule tricuspide (83) et de la valvule mitrale (84). The prosthesis tightening cord is substantially fixed at the level of the tricuspid valve (83) and the mitral valve (84).

La pompe de contre-pression est ensuite mise en route, de façon à assurer selon une séquence déterminée le gonflage et le dégonflage des poches (3, 4, 5) et selon également le rythme choisi, ce rythme pouvant être élaboré en fonction de l'électrocardiographe et du résultat que l'on veut obtenir. The back-pressure pump is then started, so as to ensure, according to a determined sequence, the inflation and deflation of the pockets (3, 4, 5) and also according to the rhythm chosen, this rhythm being able to be worked out according to the 'electrocardiograph and the result that we want to obtain.

Les poches (3, 4, 5) en gonflant compriment les ventricules droit et gauche et permettent, selon la séquence et le rythme imposés, d'assister le myocarde dans son travail de circulation sanguine. Le dégonflage des poches par la pompe de contre-pression permet de laisser le muscle cardiaque reprendre sa forme initiale. The puffy pockets (3, 4, 5) compress the right and left ventricles and allow, according to the sequence and the imposed rhythm, to assist the myocardium in its work of blood circulation. Deflating the pockets with the back pressure pump allows the heart muscle to return to its original shape.

Cette utilisation est particulièrment avantageuse dans le cas d'infarctus du myocarde. En effet, dans ce cas le myocarde n'est plus vascularisé suffisamment et ne permet plus une circulation sanguine correcte tant qu'un pontage chirurgical ou une dilatation des coronaires n'est pas effectuée. This use is particularly advantageous in the case of myocardial infarction. In fact, in this case the myocardium is no longer sufficiently vascularized and no longer allows correct blood circulation until surgical bypass or dilation of the coronaries is carried out.

La prothèse de l'invention permet,- par exemple, d'attendre cette intervention curative ou éventuellement de supprimer cette intervention. The prosthesis of the invention makes it possible, - for example, to wait for this curative intervention or possibly to delete this intervention.

La réalisation décrite ci-dessus n'est qu'un exemple illustratif de l'invention et, en particulier, toute modification à la portée de l'homme de métier fait également partie de l'esprit de l'invention.  The embodiment described above is only an illustrative example of the invention and, in particular, any modification within the reach of the skilled person is also part of the spirit of the invention.

Claims (9)

REVENDICATIONS 1) Dispositif d'assistance cardiaque caractérisé en ce qu'il comporte une poche (1) constituée d'une paroi semi-rigide, de forme adaptée à la forme extérieure du myocarde, la poche (1) comportant à sa partie ouverte supérieure un bourrelet annulaire (10) dans lequel est disposé un cordon de serrage (2), au moins deux parois souples (3, 4) placées à l'intérieur de la poche (1) et solidaires de la paroi interne de la poche semi-rigide (1) par la périphérie de leur contour (31, 41), de façon à former des poches gonflables, et des tuyaux d'amenée (32, 42, 34, 44) du gaz à chacune des poches. 1) Cardiac assistance device characterized in that it comprises a pocket (1) consisting of a semi-rigid wall, of shape adapted to the external shape of the myocardium, the pocket (1) comprising at its upper open part a annular bead (10) in which a tightening cord (2) is arranged, at least two flexible walls (3, 4) placed inside the pocket (1) and integral with the internal wall of the semi-rigid pocket (1) by the periphery of their outline (31, 41), so as to form inflatable bags, and gas supply pipes (32, 42, 34, 44) to each of the pockets. 2) Dispositif selon la revendication 1, caractérise en ce que la poche semi-rigide (1) comporte å l'intérieur trois poches gonflables (3, 4, 5) dont deux sont destinées à se retrouver en vis-a-vis du ventricule gauche après mise en place du coeur dans -la poche semi-rigide (1).  2) Device according to claim 1, characterized in that the semi-rigid pocket (1) has inside three inflatable pockets (3, 4, 5), two of which are intended to be found opposite the ventricle left after placing the heart in the semi-rigid pocket (1). 3) Dispositif selon la revendication 1 ou 2, caractérisé en ce que les poches gonflables (3, 4, 5) sont rendues solidaires de la paroi interne de la poche semirigide (1) par thermosoudure ou collage et sont constituées en silicone souple. 3) Device according to claim 1 or 2, characterized in that the inflatable pockets (3, 4, 5) are made integral with the internal wall of the semi-rigid pocket (1) by heat sealing or bonding and are made of flexible silicone. 4) Dispositif selon une des revendications précédentes, caractérisé en ce que les embouts (32, 42, 52) d'entrée dans la poche (1) comportent des renforts intérieurs et/ou extérieurs (520, 521, 420, 421, 320, 321). 4) Device according to one of the preceding claims, characterized in that the end pieces (32, 42, 52) for entry into the pocket (1) have internal and / or external reinforcements (520, 521, 420, 421, 320, 321). 5) Dispositif selon une des revendications précédentes caractérise en ce que le fond extérieur de la poche semi-rigide (1) comporte des moyens de fixation (7) permettant la fixation de la poche semi-rigide à l'intérieur de la paroi thoracique. 5) Device according to one of the preceding claims, characterized in that the external bottom of the semi-rigid pocket (1) comprises fixing means (7) allowing the semi-rigid pocket to be fixed inside the chest wall. 6) Dispositif selon la revendication 5, caractérisé en ce que les moyens de fixation (7) sont constitués d'un tissu analergique en nylon siliconé rendu solidaire du fond externe de la poche par collage.  6) Device according to claim 5, characterized in that the fixing means (7) consist of an analergic fabric of silicone nylon made integral with the external bottom of the pocket by gluing. 7) Dispositif selon une des revendications précédentes, caractérisé en ce que les tuyaux (34, 44, 54) d'amenée du gaz pour gonfler les poches internes sont en silicone renforcé. 7) Device according to one of the preceding claims, characterized in that the pipes (34, 44, 54) for supplying the gas to inflate the internal pockets are made of reinforced silicone. 8) Dispositif selon la revendication précédente, caractérisé en ce que les tuyaux d'amenée sont reliés à une pompe de contre pulsion pour gonfler et dégonfler les poches selon une séquence et un rythme déterminés. 8) Device according to the preceding claim, characterized in that the supply pipes are connected to a counter-pulse pump to inflate and deflate the bags in a determined sequence and rhythm. 9) Utilisation du dispositif selon une des revendications précédentes caractérisée en ce qu'elle consiste, apurés une mise en place du dispositif d'assistance dans la cavité thoracique et introduction du coeur dans la poche, à délencher le gonflage et le dégonflage des poches selon une séquence et un rythme déterminés.  9) Use of the device according to one of the preceding claims, characterized in that it consists, after having put in place the assistance device in the thoracic cavity and introduction of the heart into the pocket, to trigger the inflation and deflation of the pockets according to a specific sequence and rhythm.
FR8904955A 1989-04-14 1989-04-14 Cardiac assistance device and its use Withdrawn FR2645739A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8904955A FR2645739A1 (en) 1989-04-14 1989-04-14 Cardiac assistance device and its use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8904955A FR2645739A1 (en) 1989-04-14 1989-04-14 Cardiac assistance device and its use

Publications (1)

Publication Number Publication Date
FR2645739A1 true FR2645739A1 (en) 1990-10-19

Family

ID=9380735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8904955A Withdrawn FR2645739A1 (en) 1989-04-14 1989-04-14 Cardiac assistance device and its use

Country Status (1)

Country Link
FR (1) FR2645739A1 (en)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5800528A (en) * 1995-06-13 1998-09-01 Abiomed R & D, Inc. Passive girdle for heart ventricle for therapeutic aid to patients having ventricular dilatation
US5910124A (en) * 1994-01-10 1999-06-08 Cardiassist Incorporated Ventricular assist device and method
US6432039B1 (en) 1998-12-21 2002-08-13 Corset, Inc. Methods and apparatus for reinforcement of the heart ventricles
US6540659B1 (en) 2000-11-28 2003-04-01 Abiomed, Inc. Cardiac assistance systems having bi-directional pumping elements
US6547716B1 (en) 2000-11-28 2003-04-15 Abiomed, Inc. Passive cardiac restraint systems having multiple layers of inflatable elements
US6595912B2 (en) 2000-03-10 2003-07-22 Paracor Surgical, Inc. Expandable cardiac harness for treating congestive heart failure
US6602182B1 (en) 2000-11-28 2003-08-05 Abiomed, Inc. Cardiac assistance systems having multiple fluid plenums
US6612978B2 (en) 1999-12-22 2003-09-02 Paracor Surgical, Inc. Expandable cardiac harness for treating congestive heart failure
US6616596B1 (en) 2000-11-28 2003-09-09 Abiomed, Inc. Cardiac assistance systems having multiple layers of inflatable elements
US6626821B1 (en) 2001-05-22 2003-09-30 Abiomed, Inc. Flow-balanced cardiac wrap
US6695769B2 (en) 2001-09-25 2004-02-24 The Foundry, Inc. Passive ventricular support devices and methods of using them
US6846296B1 (en) 2000-09-14 2005-01-25 Abiomed, Inc. Apparatus and method for detachably securing a device to a natural heart
WO2005044338A1 (en) * 2003-11-11 2005-05-19 Sunshine Heart Company Pty Ltd Actuator for a heart assist device
US7060023B2 (en) 2001-09-25 2006-06-13 The Foundry Inc. Pericardium reinforcing devices and methods of using them
WO2007123997A2 (en) * 2006-04-19 2007-11-01 Beth Israel Deaconess Medical Center Pericardial reinforcement device
US7373851B2 (en) * 2004-07-29 2008-05-20 Siemens Aktiengesellschaft Pulsatile test simulator for evaluating the quality of an x-ray image
US7736299B2 (en) 2002-11-15 2010-06-15 Paracor Medical, Inc. Introducer for a cardiac harness delivery
US7862499B2 (en) 2003-10-30 2011-01-04 Sunshine Heart Company Pty Ltd Blood vessel wrap
US7887478B2 (en) 2003-10-31 2011-02-15 Sunshine Heart Company Pty Ltd Percutaneous gas-line
US7976454B2 (en) 2002-01-07 2011-07-12 Paracor Medical, Inc. Cardiac harness
US8002691B2 (en) 2001-07-30 2011-08-23 Sunshine Heart Company Pty Ltd. Fluid pressure generating means
US8016739B2 (en) 1999-06-10 2011-09-13 Sunshine Heart Company Pty Ltd Heart assist devices, systems and methods
US8192351B2 (en) 2007-08-13 2012-06-05 Paracor Medical, Inc. Medical device delivery system having integrated introducer
US8206278B2 (en) 2006-08-21 2012-06-26 Sunshine Heart Pty Ltd. Wrap for a heart assist device
AU2011202650B2 (en) * 2003-11-11 2012-09-27 Sunshine Heart Company Pty Ltd Actuator for a heart assist device
US8571658B2 (en) 2003-10-31 2013-10-29 Sunshine Heart Company Pty Ltd Synchronization control system
US8777833B2 (en) 2002-11-15 2014-07-15 Sunshine Heart Company Pty. Ltd. Heart assist device utilising aortic deformation
US9042979B2 (en) 2010-04-02 2015-05-26 Sunshine Heart Company Pty Limited Combination heart assist systems, methods, and devices
CN110975036A (en) * 2019-12-02 2020-04-10 江苏省人民医院（南京医科大学第一附属医院） Heart counterpulsation device based on columnar expandable structure and control method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2826193A (en) * 1956-08-01 1958-03-11 Vineberg Heart Foundation Cardiac resuscitation device
US3034501A (en) * 1958-08-05 1962-05-15 Carl E Hewson Inflatable heart massager
LU54418A1 (en) * 1966-09-05 1968-03-21
US3455298A (en) * 1967-04-10 1969-07-15 George L Anstadt Instrument for direct mechanical cardiac massage
US4690134A (en) * 1985-07-01 1987-09-01 Snyders Robert V Ventricular assist device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2826193A (en) * 1956-08-01 1958-03-11 Vineberg Heart Foundation Cardiac resuscitation device
US3034501A (en) * 1958-08-05 1962-05-15 Carl E Hewson Inflatable heart massager
LU54418A1 (en) * 1966-09-05 1968-03-21
US3455298A (en) * 1967-04-10 1969-07-15 George L Anstadt Instrument for direct mechanical cardiac massage
US4690134A (en) * 1985-07-01 1987-09-01 Snyders Robert V Ventricular assist device

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910124A (en) * 1994-01-10 1999-06-08 Cardiassist Incorporated Ventricular assist device and method
US6224540B1 (en) 1995-06-13 2001-05-01 Abiomed, Inc. Passive girdle for heart ventricle for therapeutic aid to patients having ventricular dilatation
US6508756B1 (en) 1995-06-13 2003-01-21 Abiomed, Inc. Passive cardiac assistance device
US5800528A (en) * 1995-06-13 1998-09-01 Abiomed R & D, Inc. Passive girdle for heart ventricle for therapeutic aid to patients having ventricular dilatation
US6432039B1 (en) 1998-12-21 2002-08-13 Corset, Inc. Methods and apparatus for reinforcement of the heart ventricles
US8016739B2 (en) 1999-06-10 2011-09-13 Sunshine Heart Company Pty Ltd Heart assist devices, systems and methods
US8591394B2 (en) 1999-06-10 2013-11-26 Sunshine Heart Company Pty Ltd. Heart assist devices, systems and methods
US6612978B2 (en) 1999-12-22 2003-09-02 Paracor Surgical, Inc. Expandable cardiac harness for treating congestive heart failure
US6702732B1 (en) 1999-12-22 2004-03-09 Paracor Surgical, Inc. Expandable cardiac harness for treating congestive heart failure
US6663558B2 (en) 1999-12-23 2003-12-16 Paracor Surgical, Inc. Expandable cardiac harness for treating congestive heart failure
US6595912B2 (en) 2000-03-10 2003-07-22 Paracor Surgical, Inc. Expandable cardiac harness for treating congestive heart failure
US6612979B2 (en) 2000-03-10 2003-09-02 Paracor Surgical, Inc. Expandable cardiac harness for treating congestive heart failure
US6682474B2 (en) 2000-03-10 2004-01-27 Paracor Surgical, Inc. Expandable cardiac harness for treating congestive heart failure
US6602184B2 (en) 2000-03-10 2003-08-05 Paracor Surgical, Inc. Expandable cardiac harness for treating congestive heart failure
US6846296B1 (en) 2000-09-14 2005-01-25 Abiomed, Inc. Apparatus and method for detachably securing a device to a natural heart
US6616596B1 (en) 2000-11-28 2003-09-09 Abiomed, Inc. Cardiac assistance systems having multiple layers of inflatable elements
US6602182B1 (en) 2000-11-28 2003-08-05 Abiomed, Inc. Cardiac assistance systems having multiple fluid plenums
US6540659B1 (en) 2000-11-28 2003-04-01 Abiomed, Inc. Cardiac assistance systems having bi-directional pumping elements
US6547716B1 (en) 2000-11-28 2003-04-15 Abiomed, Inc. Passive cardiac restraint systems having multiple layers of inflatable elements
US6626821B1 (en) 2001-05-22 2003-09-30 Abiomed, Inc. Flow-balanced cardiac wrap
US8002691B2 (en) 2001-07-30 2011-08-23 Sunshine Heart Company Pty Ltd. Fluid pressure generating means
US7354396B2 (en) 2001-09-25 2008-04-08 The Foundry, Inc. Passive ventricular support devices and methods of using them
US7060023B2 (en) 2001-09-25 2006-06-13 The Foundry Inc. Pericardium reinforcing devices and methods of using them
US6695769B2 (en) 2001-09-25 2004-02-24 The Foundry, Inc. Passive ventricular support devices and methods of using them
US7976454B2 (en) 2002-01-07 2011-07-12 Paracor Medical, Inc. Cardiac harness
US8777833B2 (en) 2002-11-15 2014-07-15 Sunshine Heart Company Pty. Ltd. Heart assist device utilising aortic deformation
US7736299B2 (en) 2002-11-15 2010-06-15 Paracor Medical, Inc. Introducer for a cardiac harness delivery
US9555176B2 (en) 2002-11-15 2017-01-31 Sunshine Heart Company Pty, Ltd. Implantable device utilizing arterial deformation
US8469873B2 (en) 2003-10-30 2013-06-25 Sunshine Heart Company Pty Ltd Blood vessel wrap
US7862499B2 (en) 2003-10-30 2011-01-04 Sunshine Heart Company Pty Ltd Blood vessel wrap
US8425397B2 (en) 2003-10-31 2013-04-23 Sunshine Heart Company Pty Ltd Percutaneous gas-line
US7887478B2 (en) 2003-10-31 2011-02-15 Sunshine Heart Company Pty Ltd Percutaneous gas-line
US9561375B2 (en) 2003-10-31 2017-02-07 Sunshine Heart Company Pty, Ltd. Synchronization control system
US8571658B2 (en) 2003-10-31 2013-10-29 Sunshine Heart Company Pty Ltd Synchronization control system
US9119908B2 (en) 2003-10-31 2015-09-01 Sunshine Heart Company Pty. Ltd. Synchronization control system
US7955248B2 (en) 2003-11-11 2011-06-07 Sunshine Heart Company Pty Ltd Actuator for a heart assist device
AU2011202650B2 (en) * 2003-11-11 2012-09-27 Sunshine Heart Company Pty Ltd Actuator for a heart assist device
US8702583B2 (en) 2003-11-11 2014-04-22 Sunshine Heart Company Pty, Ltd. Actuator for a heart assist device
WO2005044338A1 (en) * 2003-11-11 2005-05-19 Sunshine Heart Company Pty Ltd Actuator for a heart assist device
US7373851B2 (en) * 2004-07-29 2008-05-20 Siemens Aktiengesellschaft Pulsatile test simulator for evaluating the quality of an x-ray image
US9259318B2 (en) 2006-04-19 2016-02-16 Beth Israel Deaconess Medical Center Pericardial reinforcement device
WO2007123997A3 (en) * 2006-04-19 2008-04-03 Beth Israel Hospital Pericardial reinforcement device
WO2007123997A2 (en) * 2006-04-19 2007-11-01 Beth Israel Deaconess Medical Center Pericardial reinforcement device
US8206278B2 (en) 2006-08-21 2012-06-26 Sunshine Heart Pty Ltd. Wrap for a heart assist device
US8192351B2 (en) 2007-08-13 2012-06-05 Paracor Medical, Inc. Medical device delivery system having integrated introducer
US9042979B2 (en) 2010-04-02 2015-05-26 Sunshine Heart Company Pty Limited Combination heart assist systems, methods, and devices
CN110975036A (en) * 2019-12-02 2020-04-10 江苏省人民医院（南京医科大学第一附属医院） Heart counterpulsation device based on columnar expandable structure and control method thereof
CN110975036B (en) * 2019-12-02 2022-07-15 江苏省人民医院（南京医科大学第一附属医院） Heart counterpulsation device based on columnar expandable structure and control method thereof

Similar Documents

Publication Publication Date Title
FR2645739A1 (en) Cardiac assistance device and its use
US5131905A (en) External cardiac assist device
FR2733143A1 (en) DEVICE FOR TEMPORARILY SHUTTERING A BODY CHANNEL, ESPECIALLY USEFUL FOR PRESSURE HEART ASSISTANCE
US4351342A (en) Balloon catheter
FR2602415A1 (en) CLAMP AND METHOD FOR SHUTTING THE LIGHT OF A VESSEL OR OTHER CONDUCT FROM THE HUMAN BODY
FR2511241A1 (en) MASSAGE SLEEVE COMPRISING A PLURALITY OF INFLATABLE CELLS
FR2788217A1 (en) PROSTHETIC VALVE IMPLANTABLE BY CATHETERISM, OR SURGICAL
FR2534801A1 (en) DEVICE FOR PARTIALLY OCCLUDING A VESSEL, PARTICULARLY OF THE CAUDAL CAVE VEIN, AND CONSTITUENT PART THEREOF
JP5274682B2 (en) Actuator for cardiac assist device
FR2958549A1 (en) APPARATUS FOR RESPIRATORY ASSISTANCE.
FR2740346A1 (en) ANGIOPLASTY DEVICE FOR ARTERIAL BIFURCATION
CH618609A5 (en)
CA2349627A1 (en) Ventricular assist device with pre-formed inflation bladder
FR2766373A1 (en) VENTRICULAR COUNTER-PULSE HEART ASSISTANCE DEVICE
EP2273955B1 (en) Gastric ring including a one-piece belt
EP3322384B1 (en) Penis implant, particularly for female-to-male transsexual
FR2660867A1 (en) CATHETER WITH ENDOPROTHESIS.
CA2162585A1 (en) Method of training a skeletal muscle for a biomechanical heart and biomechanical heart using said muscle
FR2778626A1 (en) Pneumatic boat with auxiliary shock absorbing floats
FR2527435A1 (en) Constrictor sleeve to stimulate blood circulation - comprises sealed chamber between outer textile envelope and inner elastic one
FR2585249A1 (en) HETEROTOPIC ARTIFICIAL HEART: MONOBLOC CARDIAC PROSTHESIS FOR IMPLANTABLE BIVENTRICULAR ASSISTANCE IN THE HEMI-THORAX RIGHT
CH455139A (en) Inflatable air cushion
CN210750525U (en) Heart auxiliary instrument
BE1005293A6 (en) Circulatory assistance procedure and system for implementing this procedure
EP3753538B1 (en) Orthosis adapted for treatment by cryotherapy and/or pressotherapy of an area of a human or animal body and method for manufacturing same

Legal Events

Date Code Title Description
ST Notification of lapse