abstract of the disclosure [001] a surgical suction device is disclosed that includes a suction tube having a first longitudinal axis, a proximal opening, and a distal opening； a guide tube that is coextensive with and parallel to the suction tube, and has a second longitudinal axis, a proximal opening, and a distal opening； a stylet having a proximal end and a distal end； and a junction conduit having a proximal opening and a distal opening； wherein the stylet is disposed along the second longitudinal axis and encircled by the guide tube, and the proximal opening of the junction conduit is in contact with the distal opening of the suction tube and the distal opening of the guide tube such that the distal opening of the junction conduit is in fluid communication with the suction tube, and urging the stylet through the guide tube along the second longitudinal axis through the junction conduit translates the distal end of the stylet to the distal opening of the junction conduit. ***************************************** Translation of summary patent summary: " self-cleaning suction device ". It is a surgical suction device which includes a suction tube having a first longitudinal geometrical axis, a proximal opening and a distal opening； a guide tube which is substantially coextensive with and parallel to the suction tube and has a second longitudinal geometrical axis, a proximal opening and a distal opening； a stylet having a proximal end and a distal end； and a junction conduit having a proximal opening and a distal opening； wherein the stylet is disposed along the second longitudinal geometrical axis and surrounded by the guide tube, and the proximal opening of the junction duct is in contact with the distal opening of the suction tube and the distal opening of the guide tube such that distal opening of the junction duct is in fluid communication with the suction tube, and wherein pushing the stylet through the guide tube along the second longitudinal axis through
