사이트맵

PNK Knee System

인공 무릎관절

Preservation of Normal Knee Kinematics

We measure coronal and sagittal curvatures
of patients and apply
the analysis result in
the design of a PNK knee system.

PNK applies various design techniques to
increase performance.
The anterior cam is
applied to increase stability in hyperflexion.

PNK is designed to be flexed 150 degrees.
By applying a Hook-Wall technique,
we have
developed a part that is easy to fasten but
has high stability.

Overview

Hook-Wall
technique provides
easy fastening
with high stability

Mismatch reduction with

12
Types of bearings

Anterior cam and Hook-wall make

150°
flexion stable

Features & Benefits

Coronal Radius

The femoral part has 4 coronal radius groups
(1,2 / 3,4 / 5,6 / 7,8)

1) Koh, YG., Nam, JH., Chung, HS. et al. “Difference in coronal curvature of the medial and lateral femoral condyle morphology by gender in implant design for total knee arthroplasty.”Surg Radiol Anat 42, 649–655 (2020). https://doi.org/10.1007/s00276-019-02368-8

Compatibility with reduced mismatch

The 12 tibial insert ensure constant rollback angle and compatibility between the femoral component and tibial insert. If the number of tibial insert is small, the rollback angle and compatibility may vary because multiple bearings are combined in one femoral component.

150° flexion

All combinations of femoral component and tibial insert can accommodate 150˚ flexion

Sagittal Radius

2) Koh, YG., Nam, JH., Chung, HS. et al. “Difference in coronal curvature of the medial and lateral femoral condyle morphology by gender in implant design for total knee arthroplasty.”Surg Radiol Anat 42, 649–655 (2020). https://doi.org/10.1007/s00276-019-02368-8

Anterior-Cam in Hyperextension

The anterior cam is applied to increase stability in hyperextension. The Round-to-Round contact in hyperextension decreases contact stress and increases stability.

의료기기 광고심의필 : 32023-I10-34-2633 (유효기간 2026.09.25)

인공무릎관절

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