Abstract: Disclosed is a drainage bottle system comprising: a system housing, a drainage bottle, a drainage tube, a motorless suction device and a liquid detection device, wherein a piezoelectric suction pump of the motorless suction device generates a negative pressure by means of piezoelectric effect to drive the drainage tube to suck and collect a liquid to be detected into the drainage bottle.

Abstract: A needle-free connector includes a hollow connector, an elastic block, and a switch assembly. The inner perimeter of the hollow connector forms a first annular wall and a second annular wall. The elastic block is disposed in the hollow connector. The switch assembly has a stop member and a guide tube connected to the stop member, the stop member being pressed between the annular block and the elastic block, the guide tube being disposed in the hollow connector, the external perimeter of the stop member forming a first annular portion against the first annular wall and a second annular portion against the second annular wall, a groove being disposed between the first annular portion and the second annular portion of the stop member, the groove being connected to the guide tube. Thus, the structure stability and closing performance are achieved such that the outside air cannot leak into the connector.

Abstract: A needle free connector includes a tube device having a first tube, a first locking elements formed on a distal end of the first tube and having a transverse channel in communication with the first tube and a push rod integrally formed on a side face of the first locking elements, a resilient frame securely engaged with the first locking elements and having a second ring movably positioned due to movement of the first tube and provided with a hole defined in a bottom face of the second ring to allow the first tube to movably extend therethrough, a hollow casing provided with a second tube to movably receive therein the first tube and a cap securely connected to the hollow casing to form a watertight connection.

Abstract: A tube coupling of a phlegm suction tube, which is capable of connecting two injectors having different mating structures, includes a tube body and a tube connector. The tube body is hollow and has a coupling end and a check valve. The tube connector is coaxially connected to the coupling end of the tube body and has a joint portion. The joint portion has a passage communicating with the tube body. The check valve flexibly closes the passage from the tube body. A diameter of the passage fits a first injector with a first mating structure, and an outer diameter of the joint portion fits a second injector with a second mating structure.

Abstract: A needleless connector includes a hollow connector, a spring, and a switch assembly. The inner perimeter of the hollow connector forms a first annular wall and a second annular wall. The spring is disposed in the hollow connector. The switch assembly has a stop member and a guide tube connected to the stop member, the stop member being pressed between the annular block and the spring, the guide tube being disposed in the hollow connector, the external perimeter of the stop member forming a first annular portion against the first annular wall and a second annular portion against the second annular wall, a groove being disposed between the first annular portion and the second annular portion of the stop member, the groove being connected to the guide tube. Thus, the integral structure stability and good closing performance are achieved such that the outside air cannot leak into the connector structure.

Abstract: A needle free connector includes a tube device having a first tube, a first locking elements formed on a distal end of the first tube and having a transverse channel in communication with the first tube and a push rod integrally formed on a side face of the first locking elements, a resilient frame securely engaged with the first locking elements and having a second ring movably positioned due to movement of the first tube and provided with a hole defined in a bottom face of the second ring to allow the first tube to movably extend therethrough, a hollow casing provided with a second tube to movably receive therein the first tube and a cap securely connected to the hollow casing to form a watertight connection.

Abstract: A closed suction set insertable (1) includes a tube body (10), a bronchoscope connector (20), a choke valve (30) and a bronchoscope socket (40). The bronchoscope connector (20) is installed on the tube body (10), and the choke valve (30) is plugged into an external port (201) of the bronchoscope connector (20), and the choke valve (30) has a flexible choke plate (31) with an end extended into the bronchoscope connector (20) and sealed with an end of the choke valve (30). The bronchoscope socket (40) includes an external sleeve (41) and an internal sleeve (42), and the internal sleeve (42) has an insert hole (420) for passing a bronchoscope (2).

Abstract: A needleless connector includes a hollow connector, a spring, and a switch assembly. The inner perimeter of the hollow connector forms a first annular wall and a second annular wall. The spring is disposed in the hollow connector. The switch assembly has a stop member and a guide tube connected to the stop member, the stop member being pressed between the annular block and the spring, the guide tube being disposed in the hollow connector, the external perimeter of the stop member forming a first annular portion against the first annular wall and a second annular portion against the second annular wall, a groove being disposed between the first annular portion and the second annular portion of the stop member, the groove being connected to the guide tube. Thus, the integral structure stability and good closing performance are achieved such that the outside air cannot leak into the connector structure.

Abstract: A needle-free connector includes a hollow connector, an elastic block, and a switch assembly. The inner perimeter of the hollow connector forms a first annular wall and a second annular wall. The elastic block is disposed in the hollow connector. The switch assembly has a stop member and a guide tube connected to the stop member, the stop member being pressed between the annular block and the elastic block, the guide tube being disposed in the hollow connector, the external perimeter of the stop member forming a first annular portion against the first annular wall and a second annular portion against the second annular wall, a groove being disposed between the first annular portion and the second annular portion of the stop member, the groove being connected to the guide tube. Thus, the structure stability and closing performance are achieved such that the outside air cannot leak into the connector.

Abstract: A joint of sputum suction tube includes a patient tube (100), an exhaust tube (200) and a sleeve (300). The sleeve (300) includes a rotatable end (310) and a fixed end (320). The rotatable end (310) rotatably joints the exhaust tube (200). The fixed end (320) fixedly joints the exhaust tube (200). Therefore, the patient tube (100) rotatably connects with the exhaust tube (200) by the sleeve (300).

Abstract: A suction device having a rotary switch is provided. A main body of the suction device is provided with a patient-end connector, an oxygen supply connector, a suction connector, a cleaning connector and a connecting portion. The rotary switch is assembled with the connecting portion and can be switched between a first position and a second position. The rotary switch is provided with two opposite suction holes. When the rotary switch is located in the first position, the two suction holes are aligned with the patient-end connector and the suction connector to thereby communicate the patient-end connector with the suction connector. When the rotary switch is located in the second position, the communication between the patient-end connector and the suction connector is shut off.

Abstract: The present invention relates to an air valve, including a valve body, an air valve adjusting pipe, an adjusting bolt, an airtight ring and a screw cap. With the geometric shapes of the air valve adjusting pipe and the adjusting bolt, the airtight ring installed onto the adjusting bolt is in contact with the internal wall of the air valve adjusting pipe to achieve a totally airtight effect and adjusting the level of airtightness.

Abstract: A negative pressure gauge includes a body and a multi-stage positioning means. The body is provided with an airflow passage. The multi-stage positioning means includes a rotary piece and a cover plate. The rotary piece is pivotally connected to the body and is provided with positioning recesses and venting troughs. The cover plate covers the rotary piece and is fixedly connected to the body. The cover plate extends to form a positioning protrusion corresponding to the positioning recesses. When the rotary piece rotates with respect to the cover plate, the positioning recesses allow the positioning protrusion to be selectively positioned therein and control the communication or obstruction between the venting troughs and the airflow passage.

Abstract: A negative pressure gauge includes a body, a positioning means, a display model, a power-supplying unit and a switch. The positioning means has a rotary piece pivotally connected to the body. The rotary piece is formed with a trigger protrusion. The display model is fixed to the body. The power-supplying unit is fixed to the body and electrically connected to the display model via an electrical line. The switch is mounted in the body and arranged to correspond to the trigger protrusion of the rotary piece. The switch is mounted on the electrical line. In normal state, the switch generates a broken circuit between the display model and the power-supplying unit. When the rotary piece rotates with respect to the body, the switch will be triggered by the trigger protrusion, so that the power-supplying unit and the display model are electrically connected to each other. Via this arrangement, the display model can be turned on or off selectively to save the electricity.

Abstract: The present invention discloses an air valve adjusting switch assembly including a valve body, an air valve adjusting pipe, an adjusting bolt, an airtight ring and a screw cap. With the geometric shapes of the air valve adjusting pipe and the adjusting bolt, the airtight ring installed onto the adjusting bolt is in contact with the internal wall of the air valve adjusting pipe to achieve a totally airtight effect and adjusting the level of airtightness.

Abstract: A medical fluid aspirator, which includes a barrel attached with a suction tip, a tapered isolation sleeve detachably fastened to an inside connection tube inside the barrel and sealed with a gasket ring, an inner filter tube suspending in the isolation sleeve and tightly fastened to the rear side of the isolation sleeve for removing waste solid matters from waste fluid passing from the suction tip through the inner filter tube during the surgery, and an adapter that connect a suction tube to the rear side of the inner filter tube.