Surgery – Instruments – Cutting – puncturing or piercing
Patent
1997-08-12
1998-10-27
Hafer, Robert A.
Surgery
Instruments
Cutting, puncturing or piercing
606 79, 604164, A61B 1732
Patent
active
058273123
ABSTRACT:
A marked cannula is disclosed that provides for first and second indicia for marking positions along the inner surface of the cannula. The first and second indicia are distinctive with respect to each other and are easily detected or visible using an endoscope. The first and second indicia are preferably provided at positions that are representative of the general population in terms of location of the plantar fascia. The indicia provide a quick visual reference for the positioning of a surgical instrument within the bore of the cannula.
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Barrett Stephen L.
Brown Michael G.
Forrester Perry C.
Guyot Manuel C.
Hafer Robert A.
Instratek Incorporated
Yu Justine R.
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