Prosthetic ring holder

Details Prosthetic ring holder Prosthetic ring holder

1999-08-03

2001-11-20

Isabella, David J. (Department: 3738)

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

Heart valve

Combined with surgical tool

C623S900000, C606S001000

Reexamination Certificate

active

06319280

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to prosthetic heart implants of the type which include a prosthetic ring. More specifically, the invention relates to a holder for a prosthetic heart ring.
BACKGROUND OF THE INVENTION
Prosthetic heart implants are devices used to repair or assist hearts which have been damaged through diseases or other defects. One type of prosthetic heart implant is a prosthetic heart valve. Another type of prosthetic implant is an annuloplasty ring. Prosthetic heart valves are used to replace a damaged natural heart valve. Annuloplasty rings are used to repair a natural heart valve which has been damaged due to certain types of diseases or defects which reduce the efficiency of the valve. For example, the radius of the valve can become enlarged or deformed such that the cusps of the natural valve do not form a seal when the valve is in a closed position.
Both of these prosthetic heart devices include a prosthetic ring which is implanted into the heart. During the implantation procedure, the prosthetic device must be held in a manner such that it may be manipulated by a surgeon. Typically, some type of holder is used for the manipulation. For example, U.S. Pat. No. 5,578,076 shows a holder for a prosthetic heart valve. Similarly, U.S. Pat. Nos. 5,041,130 and 5,011,481 show holders for use with annuloplasty rings.
SUMMARY OF THE INVENTION
An apparatus for attaching to a prosthetic ring for implantation in a heart includes a holder body configured to fit in the ring. A boss in the holder body includes at least a partial generally cylindrical portion extending around the holder body. A backing lip in the holder body extends from a first end of the boss and has a diameter which is greater than a diameter of the boss. A shoulder tab extends beyond a diameter of the boss proximate a second end of the boss and is adapted to secure the prosthetic ring between the backing lip and the shoulder tab.


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“Prosthetic Rings and Accessories for Tricuspid and Mitral Valvuloplasty”,Carpentier-Edward®, Dec. 1985, pp. 1-8.
“Techniques for Implanting the SMJ® Séguin Annuloplasty Ring for Mitral Valve Repair”,St. Jude Medical, 1996, 4 pages.

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