| 摘要 |
<p>A medical drain tube for the removal of blood, secretions and other fluids or semifluids from surgical and inflammatory lesions and from other anatomical spaces wherein said drain is characterized by the ability to prevent or minimize an uncontrolled spillage and leakage of said fluids from the drain tube in the course of removing the drain from the patient's body at atmospheric pressure by means of unidirectional inlets along the tube's wall and a unidirectional valve or a plug at the distal opening of the drain tube, enabling the body fluids to flow in one direction from the outside into the inside of the tube. <IMAGE></p> |
