PROBLEM TO BE SOLVED: To provide a knee spacer system capable of supplying a medical washing fluid to a knee joint inside artificial organ infected by microbes.SOLUTION: There is provided a knee spacer system comprising a tibia component 1, the tibia component has a tibia prosthesis, the tibia prosthesis comprises two travel surfaces, at least one attachment surfaces 5, 6 for attaching the tibia component to a tibia, first connection means 8 for supplying a medical washing fluid to the tibia prosthesis, second connection means 9 for discharging the medical washing fluid from the tibia prosthesis, a washing fluid inlet opening part to which the first connection means is connected, a washing fluid outlet opening part to which the second connection means is connected, a washing fluid outflow opening part which is at least one washing fluid outflow opening part 22 of the surface of the tibia prosthesis and connected to the inside of the tibia prosthesis, and a washing fluid inflow opening part which is at least one washing fluid inflow opening part 24 of the surface of the tibia prosthesis and connected to inside of the tibia prosthesis, the washing fluid outflow opening part and washing fluid inflow opening part are arranged outside of the attachment surface.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】微生物に感染した膝関節内部人工器官に医療用洗浄液を供給できるニースペーサシステムを提供する。【解決手段】脛骨構成要素１を有するニースペーサシステムであり、脛骨構成要素は脛骨補綴体を有し、脛骨補綴体は２つの走行表面と、脛骨に脛骨構成要素を装着する少なくとも１つの装着表面５、６と、脛骨補綴体に医療用洗浄液を供給する第１の接続手段８と、脛骨補綴体から医療用洗浄液を排出する第２の接続手段９と、第１の接続手段が接続される洗浄液入口開口部と、第２の接続手段が接続される洗浄液出口開口部と、脛骨補綴体の表面の少なくとも１つの洗浄液流出口開口部２２であって脛骨補綴体の内部に接続される洗浄液流出口開口部と、脛骨補綴体の表面の少なくとも１つの洗浄液流入口開口部２４であって脛骨補綴体の内部に接続される洗浄液流入口開口部とを有し、洗浄液流出口開口部および洗浄液流入口開口部は装着表面の外側に配置される。【選択図】図２
