大腿骨後位切断前に屈曲間隔が確認可能なギャップゲージ及びユニット

Japanese Patent JP7108722

B2

The present disclosure relates to total knee arthroplasty used for a knee joint including a tibia and a femur of a patient. More particularly, the present disclosure relates to a gap gauge and a gap gauge unit capable of checking a flexion gap before femur posterior cutting, wherein the gap gauge includes a measurement unit configured to be capable of measuring a gap between a femur posterior cutting surface and a tibia proximal cutting surface during artificial knee joint surgery, wherein the measurement unit is coupled to and positioned in a slot in a femur posterior cutting guide placed on the femur posterior cutting surface so as to check a flexion gap before femur posterior cutting, wherein the measurement unit includes a first measurement unit placed between a tibia proximal cutting surface and the cutting guide before the femur posterior cutting so as to measure the flexion gap, wherein the first measurement unit includes a cutting slot coupling unit coupled to the slot in the cutting guide and a tibia seating portion seated on the tibia proximal cutting surface, and wherein the cutting slot coupling unit includes a blade configured to capable of being coupled to the cutting slot in the cutting guide and inserted into the cutting slot in the cutting guide, and a cutting block reception groove configured to receive a lower portion of the cutting guide during insertion of the blade so as to secure an insertion depth of the gap gauge.

Oh, shit

JP2020572453A

July 28, 2022

July 09, 2019

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Collectec Company Limited

A61B17/15

JP2005193048A
JP2001522686A
JP2007075517A
JP2011004848A

US5735904

Ushiki International Patent Office

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