Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1997-01-09
1998-10-06
Coggins, Wynn Wood
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604164, 604167, 604280, A61M 500, A61M 2500
Patent
active
058170715
ABSTRACT:
A cannula comprises a proximal end, a distal end, and a lumen extending between the proximal and distal ends, wherein at least a portion of the cannula body is non-circular in cross section, preferably oval. A cannula wherein a portion of the cannula body is oval in cross section is ideally suited in surgical procedures wherein the cannula extends through a percutaneous aperture. The oval portion of the cannula body utilizes the space of the percutaneous aperture efficiently, thereby minimizing the necessary size of the access aperture.
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Arom et al.; Mini-Sternotomy for Coronary Artery Bypass Grafting; Ann Thorac Surg 1996; 61:1271-1272.
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Mathias; Keyhole Cardiac Surgery, MIS Techniques Could Transform Heart Surgery; OR Manager, Jul. 1996, vol. 12, No. 7.
Devries Ronald A.
Dewindt David B.
Gundry Steven M.
Sidor William E.
Coggins Wynn Wood
Medtronic Inc.
Sadula Jennifer R.
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