Negative pressure sealing drainage device for wound infection prevention after orthopedic surgery

A negative pressure sealing drainage device for wound infection prevention after an orthopedics department comprises a negative pressure pump used for generating negative pressure; the drainage tube is used for connecting a wound and the negative pressure pump so as to extract secreta of the wound by utilizing the negative pressure pump; the sealing film is used for covering the wound so as to prevent air and bacteria from entering the wound; the filter is used for filtering secretions of the wound so as to prevent reflux and pollution; the camera is used for collecting a wound digital image of the wound; the infection early warning system is used for judging whether the wound is infected or not and automatically generating a wound infection early warning prompt; and the voice player is used for playing the wound infection early warning prompt. Therefore, the wound infection condition can be monitored in real time, early warning can be given out in time, medical staff can be assisted in making timely and effe