Minimally invasive valve annulus sizer

Details Minimally invasive valve annulus sizer Minimally invasive valve annulus sizer

1998-06-18

2000-02-01

Hindenburg, Max

Surgery

Diagnostic testing

Measuring anatomical characteristic or force applied to or...

623 2, 606148, 33512, A61B 5103

Patent

active

060197390

ABSTRACT:
An annulus sizer measures the size of a valve annulus during annuloplasty surgery. The annulus sizer includes a sizing portion for measuring the valve annulus and a coupling portion for attaching to a handle. The coupling portion is disposed on a proximal surface of the sizing portion. The sizing portion has a thickness on the order of about 0.1 inch. This relatively small thickness of the sizer facilitates minimally invasive annuloplasty surgery. For example, the sizer may be inserted through a relatively small intercostal incision. In addition, the relatively thin sizing portion minimizes optical distortion. The coupling portion may be disposed on the sizing portion at a location which is offset from the center of the sizer, thereby defining an enlarged viewing area. The coupling portion may have threading to engage with threading of the handle to ensure secure attachment.

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Booklet entitled "Carpentier-Edwards.RTM. Pericardial Bioprostheses Mini-Symposium", Chicago, IL, Baxter Healthcare Corporation, Edwards CVS Division, Apr. 24, 1993; pp 51-62, "Sizing and Implantation".
Brochure entitled "Judge Our Pericardila Valve by its Appearance and You Will Only Get Half the Picture", Edwards CVS Division, Baxter Healthcare Corporation, 1969.

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