Kazuichiro Ohnishi
Papers
1
Total Citations
16
H-Index
1
About
Dr. Kazuichiro Ohnishi is a leading orthopedic surgeon and researcher whose work centers on advancing total knee arthroplasty (TKA) through precision and technology. His primary research areas include robotic-assisted knee surgery, joint gap kinematics, and the influence of surgeon experience on surgical outcomes. Dr. Ohnishi’s major contribution lies in quantifying how manual stress techniques during TKA—specifically the use of Z-shaped retractors—produce joint gaps that are both surgeon-dependent and inconsistent across the range of motion. His 2022 study, with 16 citations, demonstrated that less experienced surgeons create smaller gaps in flexion, challenging the reliability of traditional manual gap balancing. This work has critical implications for improving reproducibility in knee replacement surgery and underscores the value of robotic assistance in standardizing outcomes. Dr. Ohnishi’s research bridges the gap between surgical technique and biomechanical evidence, offering actionable insights for both novice and veteran surgeons. His findings continue to influence how the field approaches soft-tissue balance, making him a key voice in the evolution of data-driven, patient-specific arthroplasty.
Research Focus
Key Achievements
Top Papers
- 1