The invention discloses a
prostate and
rectum isolating device, and relates to the technical field of
medical instruments. The device comprises a hose, the head end of the hose is closed, the
tail end of the hose is open, a hollow first channel is formed in the hose, and the first channel communicates with the
tail end and the head end of the hose; the head end of the hose is provided with a
balloon, the
balloon is arranged at the head end of the hose in a wrapping mode, the hose is further provided with a first through hole, the first through hole is communicated with the hose and the
balloon, the balloon is of an ellipsoidal structure after being filled, and the balloon is made of
soft materials; a control valve is arranged at the
tail end of the hose, and the control valve enables the interior of the hose to be communicated with the outside or to be closed. When the
prostate of a patient is treated, the
prostate is isolated from the
rectum, so that shaking of the prostate is avoided, the prostate is accurately positioned, and meanwhile, damage to the
rectum caused by treatment is prevented.