Bileaflet mechanical heart valve having cropped slot pivot confi

Details Bileaflet mechanical heart valve having cropped slot pivot confi Bileaflet mechanical heart valve having cropped slot pivot confi

1994-12-22

1996-09-10

Willse, David H.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Heart valve

Having rigid or semirigid pivoting occluder

A61F 224

Patent

active

055541860

ABSTRACT:
A bileaflet mechanical cardiovascular valve comprising an annular valve body having a pair of occluder leaflets pivotally mounted therewithin. The occluder leaflets are pivotally mounted within the valve body by the snap-fitting of ear member which extend from the top and bottom ends of the occluder leaflets into corresponding cropped pivot slots formed within the annular valve body. Each cropped pivot slot comprises a spheroidal depression or recess having a first flat cropped edge and a second flat cropped edge. The ear members of the occluder leaflets are sized and configured relative to the cropped pivot slots to facilitate opening and closing of the occluder leaflets with minimal likelihood of hemolysis or thrombotic complications. Additionally disclosed is a specialized machine tool and method for machining the cropped pivot slots in the annular valve body.

REFERENCES:
patent: 4178639 (1979-12-01), Bokros
patent: 4254508 (1981-03-01), Bokros
patent: 4272854 (1981-06-01), Bokros
patent: 4276658 (1981-07-01), Hanson et al.
patent: 4308624 (1982-01-01), Klawatter
patent: 4328592 (1982-05-01), Klawitter
patent: 4363142 (1982-12-01), Meyer
patent: 4373216 (1983-02-01), Klawitter
patent: 4443892 (1984-04-01), Klawitter
patent: 4443894 (1984-04-01), Klawitter
patent: 4446577 (1984-05-01), Meyer et al.
patent: 4451937 (1984-06-01), Klawitter
patent: 4605408 (1986-08-01), Carpentier
patent: 4676789 (1987-06-01), Sorensen et al.
patent: 4692165 (1987-09-01), Bokros
patent: 4822353 (1989-04-01), Bokros
patent: 4863458 (1989-09-01), Bokros
patent: 4863459 (1989-09-01), Olin
patent: 4872875 (1989-10-01), Hwang
patent: 4888010 (1989-12-01), Bokros
patent: 4892540 (1990-01-01), Vallana
patent: 4923465 (1990-05-01), Knoch et al.
patent: 4935030 (1990-06-01), Alonso
patent: 4995881 (1991-02-01), Knoch et al.
patent: 5002567 (1991-03-01), Bona et al.
patent: 5061278 (1991-10-01), Bicer
patent: 5078738 (1992-01-01), Coueil
patent: 5108425 (1992-04-01), Hwang
patent: 5116366 (1992-05-01), Hwang
patent: 5116367 (1992-05-01), Hwang et al.
patent: 5123920 (1990-09-01), Bokros
patent: 5137532 (1992-08-01), Bokros et al.
patent: 5147390 (1992-09-01), Campbell
patent: 5152785 (1992-10-01), Bokros et al.
patent: 5171263 (1992-12-01), Boyer et al.
patent: 5178632 (1993-04-01), Hanson
patent: 5192309 (1993-03-01), Stupka et al.
patent: 5192313 (1993-03-01), Budd et al.
patent: 5197980 (1993-03-01), Gorshkov et al.

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