/ Preface 2020 8321 55.1% 21.4%5.1%202063% 17%6%20152021 2020 13.3%0.51%/ Contents 0102 03 04 05 MSXIO (Perfint Healthcare) ROSA ONE BrainZimmer Biomet Da Vinci Xi(Intutive Surgical) RIO (Stryker MAKO) ION (Intutive Surgical) CorPath GRX (Corindus)