Dovetail meniscal allograft technique and system

Details Dovetail meniscal allograft technique and system Dovetail meniscal allograft technique and system

2006-10-24

2006-10-24

Isabella, David J (Department: 3738)

Surgery

Miscellaneous

Methods

C623S014120, C606S08600R

Reexamination Certificate

active

07124762

ABSTRACT:
A meniscal allograft with a bone block having a trapezoidal shape in cross-section and a technique for using a meniscus allograft having a trapezoidal shaped bone block are disclosed. A groove is formed initially in the bone using drill bits. Dilators are used to increase the size of the drilled groove. The orthogonal corner at the bottom of the groove is shaped using a rasp. A smooth dilator compacts the bone in the acute angle at the bottom of the groove opposite the orthogonal corner to create the final trapezoid shape of the bone groove. A meniscal allograft having a bone block of corresponding trapezoidal shape is prepared using a workstation and three cutting jigs to make three corresponding cuts. The trapezoidal bone block of the meniscal allograft is then installed within the bone groove.

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Albee, Fred H., “Bone Graft Surgery in Disease, Injury and Deformity” 1940; pp. 30, 196-198.
Arthrex, Meniscal Allograft “Keyhole” Surgical Technique, 2003.
CryoLife, Inc., Keyhole Meniscus Reconstruction Surgical Technique.

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