Docking ports for medical fluid sets

• US 5,983,947 A
• Filed: 03/03/1997
• Issued: 11/16/1999
• Est. Priority Date: 03/03/1997
• Status: Expired due to Term

• Current Assignee: Nxstage Medical Incorporated (Fresenius Medical Care AG)
• Original Assignee: Medisystems Technology Corporation
• Inventors: Utterberg, David S.
• Primary Examiner(s): Hook, James F.
• Application Number:
  US08/810,361
• Time in Patent Office: 988 Days
• Field of Search: 138/967, 138/96 R, 138/89, 138/106, 138/109, 604/190, 604/283, 604/905
• US Class Current: 138/89
• CPC Class Codes: A61M 1/3627 Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
• CPC Class Codes: A61M 39/20 Closure caps or plugs for connectors or open ends of tubes
• CPC Class Codes: B01D 19/0042 modifying the liquid flow B01D19/0021 takes precedence

Abstract

A medical fluid set comprises tubing sections interconnected with at least one tubing connector component which connects the tubing sections together to form the set. The set further comprises external connectors carried on ends of at least some tubing sections of the set. At least one of the tubing connector components or external connectors carry, as an integral part thereof, a retaining-sealing member for removable, sealing connection with at least one of the external connectors. The retaining-sealing member is free of fluid flow connection with the set flow path. Thus, separate or tethered closure caps for external connectors can be dispensed with.

Claims

1. A medical fluid set having a flow path which comprises:

tubing sections interconnected with at least one tube connector component which connects said tubing sections together to form said set, said set further comprising external connectors carried on ends of at least some tubing sections of said set, at least one of said tube connector components or external connectors carrying, as an integral part and in rigid connection therewith a retaining-sealing member for removable, sealing connection with at least one of said external connectors, said retaining-sealing member being free of fluid flow connection with the set flow path.

2. The set of claim 1 in which said retaining-sealing member is carried on said tube connector component which comprises a connector positioned between different-diameter tubing sections of the set.

3. The set of claim 1 in which said retaining-sealing member comprises a solid, cylindrical member proportioned to sealingly fit into a lumen of an external connector of said set, to removably retain and seal said external connector.

4. The set of claim 3 in which said solid, cylindrical member is flexible.

5. The set of claim 1 in which said retaining-sealing member comprises a flange extending outwardly from said tube connector component or external connector, said flange carrying a luer-type connector having a closed end.

6. The set of claim 5 in which said luer-type connector is a male luer-type connector.

7. The set of claim 1 in which said retaining-sealing member is carried on said tube connector component which comprises a set chamber.

8. The set of claim 7 in which said retaining-sealing member comprises a luer-type connector having a closed end.

9. The set of claim 8 in which said luer-type connector is a male luer-type connector.

10. The set of claim 1 in which at least one of said external connectors is in removable, sealing connection with said retaining-sealing member.

11. The set of claim 1 which is a blood set for hemodialysis.

12. The set of claim 1 in which said retaining-sealing member and said at least one tube connector component comprise an integrally molded structure.

13. The medical fluid set of claim 1 in which the retaining-sealing member is carried by a tube connector component.

14. A medical fluid set having a flow path which comprises:

tubing sections interconnected with at least one tube connector component which connects said tubing sections together to form said set, said set further comprising external connectors carried on ends of at least some tubing sections of said set, at least one of said tube connector components carrying, as an integral part thereof, a retaining-sealing member which is in removable, sealing connection with at least one of said external connectors, said retaining-sealing member being free of fluid flow connection with the set flow path and comprising a flexible, substantially cylindrical member sealingly fitting into the lumen of said external connector of said set, frictionally but removably retaining and sealing said external connector.

15. The set of claim 14 in which said retaining-sealing member is carried on said tube connector component which comprises a connector positioned between different-diameter tubing sections of the set.

16. The set of claim 15 in which said retaining-sealing member and said at least one tube connector component comprise an integrally molded structure.

17. The set of claim 15 in which a flange extends outwardly from said tube connector component, said flange carrying said retaining-sealing member to receive said external connector in removable, sealed relation.

18. The set of claim 17, in which said connector carried by the flange is a luer-type connector having a closed end.

19. The set of claim 14 in which said retaining-sealing member is carried on a set chamber.

20. The medical fluid set of claim 19 in which the sterility protector is integrally carried by a tube connector component.

21. The set of claim 14 in which said retaining-sealing member comprises a luer shape for sealingly receiving a luer connector.

22. A medical fluid set having a flow path which comprises:

tubing sections interconnected with at least one tube connector component which connects said tubing sections together to form said set, said set further comprising external connectors carried on ends of at least some tubing sections of said set, at least one of said tube connector components comprising a connector positioned between different-diameter tubing sections of the set, said at least one tube connector component carrying, as an integral part thereof, a retaining-sealing member for removable, sealing connection with at least one of said external connectors, said retaining-sealing member being free of fluid flow connection with the set flow path.

23. A medical fluid set having a flow path which comprises:

tubing sections interconnected with at least one tube connector component which connects said tubing sections together to form said set, said tube connector component comprising a set chamber, said set further comprising external connectors carried on ends of at least some tubing sections of said set, said set chamber carrying, as an integral part thereof, a retaining-sealing member for removable, sealing connection with at least one of said external connectors, said retaining-sealing member being free of fluid flow connection with the set flow path.

24. The set of claim 23 in which said retaining-sealing member comprises a luer-type connector having a closed end.

25. The set of claim 24 in which said luer-type connector is a male luer-type connector.

26. The medical fluid set of claim 23 in which said set chamber and said retaining-sealing member together comprise an integrally molded structure.

27. The medical fluid set of claim 26 in which said retaining-sealing member comprises a luer-type connector having a closed end.

28. A medical fluid set having a flow path which comprises:

tubing sections interconnected with at least one tube connector component which connects said tubing sections together to form said set, said set further comprising external connectors carried on ends of at least some tubing sections of said set, at least one of said tube connector components or external connectors comprising an integrally molded structure with a retaining-sealing member for removable, sealing connection with at least one of said external connectors, said retaining-sealing member being free of fluid flow connection with the set flow path.