Anterior segment coronary restoration apparatus

A - Human Necessities – 61 – F

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A61F 2/00 (2006.01) A61F 2/24 (2006.01)

Patent

CA 2330746

The symptoms of congenital heart failure are addressed in this surgical procedure for mounting a patch in the ventricle of the heart to reduce ventricular volume. Placement of the patch (81) is facilitated by palpating a beating heart to identify akinetic, although normal appearing, tissue. The patch (81) has an oval configuration facilitating return of the heart to a normal apical shape which enhances muscle fiber efficiency and a normal writhing pumping action. The patch (81) includes a semi-rigid ring (87), and a circumferential rim (93) to address bleeding. Patch placement is further enhanced by creating a Fontan neck (78), and use of pledged sutures (110). Intraoperative vascularization, and valve replacement is easily accommodated. Increased injection fraction, reduced muscle stress, improved myocardial protection, and ease of accurate patch placement are all achieved with this procedure.

Les symptômes de l'insuffisance cardiaque congénitale sont traités au cours de cette intervention chirurgicale destinée à fixer un patch dans le ventricule du coeur de manière à réduire le volume ventriculaire. La palpation d'un coeur battant en vue d'identifier le tissu acinétique, quoique d'aspect normal, facilite la mise en place du patch (81). Ce dernier présente une configuration ovale facilitant la reprise d'une forme apicale normale par le coeur, ce qui améliore les performances des fibres musculaires et permet une action de pompage convulsive normale. Le patch (81) comprend un anneau semi-rigide (87), et un bord circonférentiel (93) pour prévenir les hémorragies. La mise en place du patch est également facilitée par la création d'un collet de Fontan (78), et par l'utilisation de points de suture appuyés sur des attelles (110). La vascularisation peropératoire et le remplacement valvulaire sont aisément réalisés. Cette intervention permet d'obtenir une fraction d'injection accrue, une tension musculaire réduite, une protection myocardique améliorée et une mise en place du patch précise et aisée.

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