Solution container for continuous ambulatory peritoneal dialysis

A luer lock connection device which comprises:

• a cooperating male luer connector and a female luer connector;
• said male luer connector having a central tubular portion defining an axial bore with at least a portion of said central tubular portion being enclosed by an outer sheath having a generally circular cross-sectional configuration;
• said outer sheath having a threaded internal wall;
• a female luer connector comprising a main tubular member, said male luer central tubular portion and said female luer main tubular member being cooperative to provide a first liquid seal, said female luer connector having an outwardly extending flange adjacent its distal end;
• said flange being dimensioned to threadedly cooperate with the threads on the internal wall of said male luer connector's outer sheath;
• and
• a sealing means for providing a second liquid seal with the internal wall of said outer sheath when the male and female connectors are connected, to aid in maintaining a water-tight bacteria barrier at the luer connection.

Equipment for continuous ambulatory peritoneal dialysis in which a solution container is coupled via flexible tubing to a patient's tube that communicates with the patient's peritoneal cavity, which comprises:

• a flexible, foldable plastic dialysis solution container having a transfer port extending therefrom;
• a first luer connector carried by said transfer port;
• a flexible tube having a second luer connector at one end thereof for cooperative engagement with said first luer connector, said flexible tube having a luer connector at its other end for connecting to a luer connector carried by the patient's tube, said luer connector at said other end and said patient's tube luer connector comprising a cooperating male luer connector and female luer lock connector, said male luer connector having a central tubular portion defining an axial bore with at least a portion of said central tubular portion being enclosed by an outer sheath having a generally circular cross-sectional configuration, said outer sheath having a threaded internal wall, and a female luer connector comprising a main tubular member, said male luer central tubular portion and said female luer main tubular member being cooperative to provide a first liquid seal, said female luer connector having external threads adjacent its distal end, said external threads being dimensioned to threadedly cooperate with the threads on the internal wall of said male luer connector's outer sheath, and sealing means for providing a second liquid seal with the internal wall of said outer sheath when the male and female connectors are connected, to aid in maintaining a water-tight bacteria barrier at the luer lock connection, said sealing means comprising said female luer connector being formed of metal and having a rigid outer wall portion that is dimensioned to provide said second liquid seal with the internal wall of said outer sheath, said outer sheath being formed of a resilient material.

A tubing set for use with equipment for continuous ambulatory peritoneal dialysis in which a solution container is coupled via the tubing set to a patient's tube that communicates with the patient's peritoneal cavity, and with the solution container having a transfer port carrying a luer connector and the patient's tube carrying a luer connector, said tubing set comprising:

• a flexible tube having a first luer connector at one end for connecting to the transfer port's luer connector and having a second luer connector carried at the other end for connecting to the patient's tube luer connector;
• the luer connections at the transfer port and the patient's tube each comprising a cooperating male luer connector and a female luer connector, said male luer connector having a central tubular portion defining an axial bore with at least a portion of said central tubular portion being enclosed by an outer sheath having a generally circular cross-sectional configuration, said outer sheath having a threaded internal wall, and said female luer connector comprising a main tubular member having an outwardly extending flange adjacent its distal end, said flange being dimensioned to threadedly cooperate with the threads on the internal wall of a male luer connector's outer sheath, and a sealing means for providing a pressure seal-like engagement with the internal wall of an outer sheath of a male connector when the male and female connectors of this type are connected, to aid in maintaining a water-tight bacteria barrier at the luer lock connection.

A tubing set for use with equipment for continuous ambulatory peritoneal dialysis in which a solution container is coupled via the tubing set to a patient's tube that communicates with the patient's peritoneal cavity, and with the solution container having a transfer port carrying a luer connector and the patient's tube carrying a luer connector, said tubing set comprising:

• a flexible tube having a first luer connector at one end for connecting to the transfer port's luer connector and having a second luer connector carried at the other end for connecting to the patient's tube luer connector;
• said first luer connector being one of a male luer connector and a female luer connector, and said second luer connector being one of a male luer connector and a female luer connector, said male luer connector having a central tubular portion defining an axial bore with at least a portion of said central tubular portion being enclosed by an outer sheath having a generally circular cross-sectional configuration, said outer sheath having a threaded internal wall;
• said female luer connector comprising a main tubular member having an outwardly extending flange adjacent its distal end, said flange being dimensioned to threadedly cooperate with the threads on the internal wall of a male luer connector's outer sheath;
• and a sealing means for providing a pressure seal-like engagement with the internal wall of the outer sheath when the male connector is connected to a female connector and when the female connector is connected to a male connector, to aid in maintaining a water-tight bacteria barrier at the luer lock connection.

A tubing set for use with equipment for continuous ambulatory peritoneal dialysis in which a solution container is coupled via the tubing set to a patient's tube that communicates with the patient's peritoneal cavity, and with the solution container having a transfer port carrying a female luer connector and the patient's tube carrying a female luer connector, said tubing set comprising:

• a flexible tube having a first male luer connector at one end for connecting to the transfer port's female luer connector and having a second male luer connector carried at the other end for connecting to the patient's tube female luer connector;
• said male luer connectors each having a central tubular portion defining an axial bore with at least a portion of said central tubular portion being enclosed by an outer sheath having a generally circular cross-sectional configuration, said outer sheath having a threaded internal wall adapted for engagement with the external surface of the respective female luer connector, said outer sheath also defining a free annular end positioned beyond said central tubular portion to circumferentially enclose the entire length of said central tubular portion within said outer sheath, a portion of the internal wall of said outer sheath adjacent said free annular end defining a smooth, cylindrical sealing surface free of threads to provide a seal when connected with a female luer connector.

Equipment for continuous ambulatory peritoneal dialysis in which a solution container is coupled via flexible tubing to a patient's tube that communicates with the patient's peritoneal cavity, which comprises:

• a flexible, foldable plastic dialysis solution container having a transfer port extending therefrom;
• a flexible tube extending from said transfer port and having a luer connector at its distal end for connecting to a luer connector carried by the patient's tube, said luer connector comprising a cooperating male luer connector and female luer connector, said male luer connector having a central tubular portion defining an axial bore with at least a portion of said central tubular portion being enclosed by an outer sheath having a generally circular cross-sectional configuration, said outer sheath having first means for cooperative locking with a female luer connector;
• and a female luer connector comprising a main tubular member, said male luer central tubular portion and said female luer main tubular member being cooperative to provide a first liquid seal, said female luer connector having second means for cooperative locking with said first cooperative locking means, and a sealing means for providing a second liquid seal with the internal wall of said outer sheath when the male and female connectors are connected and said first and second cooperative locking means are engaged, to aid in maintaining a water-tight bacteria barrier at the luer lock connection.

A luer lock connection device which comprises:

• a cooperating male luer connector and a female luer connector;
• said male luer connector having a central tubular portion defining an axial bore with at least a portion of said central tubular portion being enclosed by an outer sheath having a generally circular cross-sectional configuration;
• said outer sheath having first means for cooperative locking with a female luer connector;
• a female luer connector comprising a main tubular member, said male luer central tubular portion and said female luer main tubular member being cooperative to provide a first liquid seal, said female luer connector having second means for cooperative locking with said first cooperative locking means;
• and
• a sealing means for providing a second liquid seal with the internal wall of said outer sheath when the male and female connectors are connected and said first and second cooperative locking means are engaged, to aid in maintaining a water-tight bacteria barrier at the luer connection.

A tubing set for use with equipment for continuous ambulatory peritoneal dialysis in which a solution container is coupled via the tubing set to a patient's tube that communicates with the patient's peritoneal cavity, and with the solution container having a transfer port carrying a luer connector and the patient's tube carrying a luer connector, said tubing set comprising:

• a flexible tube having a first luer connector at one end for connecting to the transfer port's luer connector and having a second luer connector carried at the other end for connecting to the patient's tube luer connector;
• the luer connections at the transfer port and the patient's tube each comprising a cooperating male luer connector and a female luer connector, said male luer connector having a central tubular portion defining an axial bore with at least a portion of said central tubular portion being enclosed by an outer sheath having a generally circular cross-sectional configuration, said outer sheath having first means for cooperative locking with a female luer connector comprising a main tubular member, said male luer central tubular portion and said female luer main tubular member being cooperative to provide a first liquid seal, said female luer connector having second means for cooperative locking with said first cooperative locking means, and a sealing means for providing a pressure seal-like engagement with the internal wall of an outer sheath of a male connector when the male and female connectors of this type are connected and said first and second cooperative locking means are engaged, to aid in maintaining a water-tight bacteria barrier at the luer lock connection.