A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 7/00 (2006.01) A61B 18/00 (2006.01) A61B 18/14 (2006.01) A61N 1/40 (2006.01) A61B 17/00 (2006.01)
Patent
CA 2275688
This invention is a device and method for treating myocardial infarction by selectively heating the infarct scar to reduce the size of the scar tissue area (18) by shrinking the tissue in the heart (10), stiffen the floppy portion of the scar tissue, reduce the ventricular systolic wall tension, and increase the overall pumping efficiency of the infarcted heart (10) by eliminating a ventricular aneurysm, if present. The heat can be applied to, or induced in, the infarct scar. Force can also be applied to assist the reduction of the size of the scar (18) using the device of the present invention which has a heating element (24), and a scissor-like clamp (26) for squeezing two portions of the infarct scar together.
L'invention concerne un dispositif et un procédé pour traiter l'infarctus du myocarde. Ce procédé consiste à chauffer, de manière sélective, la cicatrice de l'infarctus pour réduire la taille de la zone du tissu infarci (18) en provoquant le rétrécissement du tissu cardiaque (10), à raidir la partie molle du tissu infarci, à réduire la tension de la paroi systolique ventriculaire, et à augmenter l'efficacité de pompage globale du coeur infarci (10) en supprimant un anévrisme ventriculaire, le cas échéant. La chaleur peut être appliquée à la cicatrice de l'infarctus, ou induite dans cette dernière. Il est également possible d'appliquer une force pour favoriser la réduction de la taille de la cicatrice (18) à l'aide du dispositif, selon l'invention, qui comporte un élément chauffant (24) et des pinces (26) de type ciseaux, pour serrer ensemble les deux parties de la cicatrice infarcie.
Hearten Medical Inc.
Nexus Law Group Llp
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