Apparatus and method for cutting a heart valve annulus

Details Apparatus and method for cutting a heart valve annulus Apparatus and method for cutting a heart valve annulus

1998-05-15

2000-03-07

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

606185, A61B 1734

Patent

active

060334193

ABSTRACT:
An apparatus and method are disclosed for cutting a heart valve annulus. The apparatus includes an actuator and a backup plate coupled to the actuator. The apparatus also includes an annulus cutter movably coupled to the actuator. The annulus cutter can thereby oppose and engage the backup plate. The method includes positioning a backup plate proximate heart valve tissue to be removed. An annulus cutter is then positioned proximate the heart valve tissue opposing the backup plate. The annulus cutter is engaged in opposition with the backup plate to cut the heart valve tissue and form a heart valve annulus. The heart valve tissue is then removed.

REFERENCES:
patent: 3776237 (1973-12-01), Hill et al.
patent: 4018228 (1977-04-01), Goosen
patent: 5069679 (1991-12-01), Taheri
patent: 5129913 (1992-07-01), Ruppert
patent: 5690662 (1997-11-01), Chiu et al.
patent: 5827316 (1998-10-01), Young et al.

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