The water-proof protection device provided by this creation includes a body.It has a waterproof layer.An absorbent layer connected with the waterproof layer；To absorb the water flowing along the limb to the intravenous infusion site；1. A compartment within the body；To accommodate the patient's limbs；1. A socket provided on one end of the body；It is used to connect the chamber with the external space.1. Adjustment department；Attached to the body,To change the inner diameter of the socket,Make it consistent with the body size of the patient wearing the waterproof protection device.In order to provide water-proof protection effect for intravenous infusion site.本創作所提供之防水保護裝置乃係包含了有一本體，具有一防水層，一與該防水層相接之吸水層，以吸附沿肢體往靜脈輸液部位流動之水；一設於該本體內部之容室，係用以容納病患之肢體；一設於該本體一端上之套口，係用以連通該容室與外部之空間；一調整部，係設於該本體上，用以改變該套口之內徑，使之與患者穿戴該防水保護裝置之肢體尺寸相符，以對靜脈輸液部位提供防水之保護效果。
