Coring device for myocardial revascularization

Details Coring device for myocardial revascularization Coring device for myocardial revascularization

1998-09-24

2000-09-12

Peffley, Michael

Surgery

Instruments

Heat application

606 41, A61B 1804

Patent

active

061171301

ABSTRACT:
Devices are disclosed for performing transmyocardial revascularization (TMR), percutaneous revascularization and other thermal tissue therapies. The invention utilizes a coring needle with an associated heating element to core out tissue to form a channel in the myocardium, and concurrently thermalize a thin tissue layer at the wall of the channel. The invention yields myocardial channels similar to those obtained with conventional techniques, but with lower energy requirements. The invention further new closure mechanisms for transmyocardial applications.

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