Patent · US Active

Knee balancing instrument

US11678894B2 · kind B2 · utility

0Cited by

32References

16Claims

0Family size

Assignee

Jonathan P. Cabot · AU

Inventors

Chris Culhane · Melbourne, AU
Peter McMahon · Melbourne, AU
Grant Mellor · Cottles Bridge, AU

Key dates

Filing date	Dec 14, 2018
Grant date	Jun 20, 2023
Priority date	—
Expiry date	Dec 14, 2038

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2002/30556
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Disclosed is an instrument for balancing a knee. The instrument has a first plate (10) coupled to a second plate (50) by a plurality of adjusters (152A, 152B, 152C). The adjusters are actuatable to vary the gap between the first and second plates. Each adjuster is coupled to the second plate by a joint having at least two degrees of freedom. Also disclosed is an outrigger (300). The outrigger includes a body featuring a connection component configured to be received and held by a slot (34) of the instrument. The slot is arranged to align a blade of a surgical saw with a portion of a knee to be cut. Also disclosed is a method of balancing a knee using the instrument and a method of fabricating the instrument.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.