Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Reexamination Certificate
2005-04-05
2005-04-05
Jastrzab, Jeffrey R. (Department: 3762)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical energy applicator
C600S016000, C600S037000
Reexamination Certificate
active
06876887
ABSTRACT:
This invention relates to implantable heart sack that can be equipped with pacemaker leads and/or defibrillation leads for the treatment of cardiomyopathy, hypertrophic cardiomyopathy, tachycardia, bradycardia, ventricular fibrillation, atrial fibrillation etc. The hear sack was prepared from biocompatible, biostable, implantable polyetherurethane, polycarbonateurethane, silicone, polysiloxaneurethane, polyfluoroethylene, or hydrogenated poly(styrene-butadiene) copolymer. The heart sack is equipped with attached sutures to make it easier to attach onto the heart. The heart sack can be made semipermeable or perforated to have numerous holes. The heart sack can be reinforce with fiber or filament. Ordinary pacemaker leads can be attached to the inner side of the heart sack. However, the pacemaker leads of this invention were prepared from noble metal (gold, platinum, rhodium and platinum-Rhodium alloys) or stainless steel coated, deposited or plated mono-filaments, yarns, braids, cords, wires or films, or cylindrical tubes of polyamide, polyimide, polyester, and/or polypropylene that are encased in multi-lumen insulating tube or coaxial tube made of biocompatible, biostable, implantable polyetherurethane, polycarbonateurethane, silicone, polysiloxaneurethane, polyfluoroethylene, or hydrogenated poly(styrene-butadiene) copolymer. The leads can be mounted onto the inner surface of the heart sack and contoured to the heart. The heart sack can be coated with hydrophilic coating containing an antimicrobial agent that gives the heart sack a low coefficient of friction, excellent biocompatibility and antimicrobial properties.
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Acorn Cardiovascular Inc.
Jastrzab Jeffrey R.
Merchant & Gould P.C.
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