Surgery – Instruments – Cutting – puncturing or piercing
Reexamination Certificate
2005-03-08
2005-03-08
Reip, David O. (Department: 3731)
Surgery
Instruments
Cutting, puncturing or piercing
C606S180000
Reexamination Certificate
active
06863677
ABSTRACT:
A system is disclosed for creating a hole in a body vessel or hollow organ. Such holes are useful in surgically preparing the hollow organ or body vessel for connection with another hollow organ, body vessel or prosthetic conduit. For example, an assist device is generally connected to the left ventricle through a ventriculotomy created at the apex of the left ventricle. This ventriculotomy is most easily created with a punch or trephine. Control over such a procedure must be precise so as not to damage the ventricular wall or intracardiac structures such as papillary muscles, chordae tendinae, etc. The punch of the current invention allows for precise location and alignment of the cutting segment. The punch of the current invention also allows for precise advance of the cutting blade and a very clean cut of the tissue. Such clean cuts improve the healing when the hole in the body vessel or hollow organ is closed or attached to a connection, either prosthetic or natural.
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Reip David O.
Roberts Paul A
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