Cardiac remodeling and reinforcement device

A - Human Necessities – 61 – M

Patent

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Details

A61M 1/12 (2006.01) A61F 2/04 (2006.01) A61F 2/24 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2327726

This invention is a heart assist device intended for the long term support of certain late stage cardiac failure states, particularly those known in the practice of cardiology to be called a dilated cardiomyopathy. A method is described wherein a "viscous cardioplasty jacket" (10) is fashioned to provide a buttressing effect to the ventricular heart walls (14R, 14L) to thus render a more efficient cardiac contractile mechanism, whereby the patient is afforded improved heart function to allow increased physical activities. Such a viscous compliant enclosure of the ventricular heart masses can be utilized concurrently with recognized drug therapy which is sometimes lacking in beneficial effect for these patients, and is far less traumatic than the currently practiced surgical cardiomyoplasty (CMP) procedure. Application of this device may be accomplished through a relatively non-invasive endoscopic procedure in a more refined methodology of anatomical implantation of the device.

L'invention concerne un dispositif d'aide cardiaque conçu pour l'assistance en présence d'états de défaillance cardiaque avancée, notamment ceux connus en cardiologie sous le nom de cardiomyopathie dilatée. Elle porte encore sur une méthode selon laquelle une enveloppe de cardioplastie visqueuse (10) est façonnée de sorte qu'un soutien soit apporté aux parois cardiaques ventriculaires (14R)(14L) et que l'efficacité du mécanisme contractile cardiaque soit ainsi augmentée, ce qui a pour effet d'améliorer la fonction cardiaque du patient et de permettre à ce dernier d'accroître ses activités physiques. Ladite enveloppe visqueuse déformable des masses cardiaques ventriculaires peut être utilisée concuremment avec la chimiothérapie reconnue, laquelle manque parfois d'effets bénéfiques pour lesdits patients, et est nettement moins traumatisante que la procédure de cardioplastie chirurgicale pratiquée habituellement. Ce dispositif peut s'utiliser dans une procédure d'endoscopie non invasive, selon une méthodologie raffinée d'implantation anatomique du dispositif.

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