SYSTEMS AND METHODS FOR TENSIONING LIGAMENTS AND OTHER SOFT TISSUES

Title:

SYSTEMS AND METHODS FOR TENSIONING LIGAMENTS AND OTHER SOFT TISSUES

Document Type and Number:

WIPO Patent Application WO/2011/130208

Kind Code:

A3

Abstract:

Systems, methods and devices for tensioning posterior cruciate ligaments during cruciate or bi-crucia†e ligament-sparing arthroplasty. Non-limiting examples of such systems may include at least one series of tibial inserts of equal size; the at least one series of tibial inserts having at least one set of tibial inserts of equal thickness. The at least one set of tibial inserts of equal thickness may include at least two tibial inserts having different geometries in a posterior portion, the different geometries being configured to change the tension in the posterior cruciate ligament (PCL). The different geometries in the posterior portions of the tibial inserts are configured so as to allow the posterior cruciate ligament to be tensioned or loosened independently of the tibial insert thickness and/or size. By providing different posterior geometries for each insert within a set of a series, a surgeon may be provided with more flexibility in choosing an insert that satisfies stability requirements in a non-invasive manner.

Inventors:

LENZ NATHANIEL MILTON (US)
WILKINSON ZACHARY CHRISTOPHER (US)

Application Number:

PCT/US2011/032031

Publication Date:

March 08, 2012

Filing Date:

April 12, 2011

Export Citation:

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Assignee:

SMITH & NEPHEW INC (US)
LENZ NATHANIEL MILTON (US)
WILKINSON ZACHARY CHRISTOPHER (US)

International Classes:

A61F2/38; A61B17/56

Foreign References:

US20070185498A2	2007-08-09
US20090240169A1	2009-09-24
US3953899A	1976-05-04
US5458645A	1995-10-17

Other References: