Multiple use temperature monitor adapter, system and method of using same

• US 8,057,095 B2
• Filed: 04/23/2009
• Issued: 11/15/2011
• Est. Priority Date: 04/23/2009
• Status: Active Grant

• Current Assignee: Medtronic Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Incorporated (Medtronic Plc)
• Inventors: Wendler, Mark
• Primary Examiner(s): Johnson; Amy Cohen
• Application Number:
  US12/428,887
• Publication Number:
  US 20100272148A1
• Time in Patent Office: 936 Days
• Field of Search: 374/208, 374/147, 374/163, 374/E13.001, 374/E1.001, 374/E1.011, 374/E1.018, 374/E1.02, 600/474, 600/549
• US Class Current: 374/208
• CPC Class Codes: A61M 1/3623 Means for actively controlling temperature of blood
• CPC Class Codes: A61M 1/3666 Cardiac or cardiopulmonary bypass, e.g. heart-lung machines
• CPC Class Codes: A61M 2205/3368 Temperature
• CPC Class Codes: G01K 1/14 Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
• CPC Class Codes: G01K 13/02 for measuring temperature of moving fluids or granular materials capable of flow
• CPC Class Codes: G01K 13/026 of moving liquids
• CPC Class Codes: G01K 13/20 Clinical contact thermometers for use with humans or animals

Abstract

Device for adapting a temperature probe for a use in a port in a heart-lung machine. An adaptor slip is tapered at an adaptor taper angle less than a port taper angle. The adaptor slip is sized such that the exterior wall of the adaptor slip provides an interference fit with at least a portion of the fluid port. The adaptor slip has an external shoulder abutting the end of the fluid port. The adaptor slip additionally has a sleeve having a closed end having a position with respect to the end of the adapter slip. A probe is configured to be seated in a lumen of the adaptor slip with a proximate end of the probe being proximate to the closed end of said sleeve.

Claims

1. A probe assembly for use with an elongated fluid conduit having a lateral fluid port, said fluid port having a longitudinal axis and a first end proximal said fluid conduit and a second end opposite said first end and having a tapered interior surface at a port taper angle, said port taper angle being acute with respect to said longitudinal axis of said lateral fluid port, said tapered interior surface forming a port lumen, said port lumen being narrower at said first end than at said second end, comprising:

an adaptor slip having a longitudinal axis, a proximal end, a slip lumen and an exterior wall, at least a portion of said exterior wall nearest said proximal end of said adaptor slip being tapered at an adaptor taper angle, said adaptor taper angle being acute with respect to said longitudinal axis of said adaptor slip, said exterior wall being narrower at said proximal end of said adapter slip than away from said proximal end of said adaptor slip;

said adaptor taper angle of said exterior wall of said adaptor slip being less than said port taper angle of said interior surface of said lateral fluid port;

said adaptor slip being sized relative to said fluid port such that said exterior wall of said adaptor slip provides an interference fit with at least a portion of said interior surface of said fluid port at said proximal end of said adaptor slip when said proximal end of said adaptor slip is inserted into said fluid port;

said adaptor slip having an external shoulder, said external shoulder abutting said second end of said fluid port when said proximal end of said adaptor slip is inserted into said fluid port, wherein, when said external shoulder abuts said second end of said fluid port; and

a sleeve having a closed proximal end, said closed proximal end of said sleeve having a known predetermined position with respect to said proximal end of said adapter slip;

a probe configured to be seated in said slip lumen with a proximate end of said probe being proximate to said closed proximal end of said sleeve.

2. The probe assembly of claim 1 wherein said sleeve is seated in said slip lumen.

3. The probe assembly of claim 1 wherein said adaptor slip is molded around said sleeve.

4. The probe assembly of claim 1 wherein said probe is at least partially fluidly isolated.

5. The probe assembly of claim 1 wherein said probe is in thermal contact with said sleeve.

6. The probe assembly of claim 1 further comprising a collar coupled to said adaptor slip, which circumscribes said adaptor slip distal to said external shoulder, said collar being configured to engage an exterior surface of said lateral fluid port.

7. The probe assembly of claim 1 further comprising a rib relative to said exterior wall of said adaptor slip, wherein said rib provides at least partial interference with at least a portion of said interior surface of said lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.

8. The probe assembly of claim 7 wherein said rib forms a seal with said interior surface of said lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.

9. The probe assembly of claim 8 wherein said slip adapter is affixed to said lateral fluid port using an adhesive when said proximal end of said adaptor slip is inserted into said fluid port.

10. The probe assembly of claim 9 wherein said adhesive is positioned distal of said rib.

11. The probe assembly of claim 1 wherein said interference between said interior surface of said lateral fluid port and said external surface of said adaptor slip forms a seal when said proximal end of said adaptor slip is inserted into said fluid port.

12. The probe assembly of claim 1 wherein said interference occurs only between a portion of said adaptor slip and lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.

13. An adapter slip having a longitudinal axis and a proximal end for seating in a lateral fluid port of an elongated fluid conduit, said fluid port having a longitudinal axis and a first end proximal said fluid conduit and a second end opposite said first end and having a tapered interior surface at a port taper angle, said port taper angle being acute with respect to said longitudinal axis of said lateral fluid port, said tapered interior surface forming a port lumen, said port lumen being narrower at said first end than at said second end, comprising:

an interior wall forming a slip lumen;

an exterior wall, at least a portion of said exterior wall nearest said proximal end of said adaptor slip being tapered at an adaptor taper angle, said adaptor taper angle being acute with respect to said longitudinal axis of said adaptor slip, said exterior wall being narrower at said proximal end of said adapter slip than away from said proximal end of said adaptor slip, said adaptor taper angle of said exterior wall of said adaptor slip being less than said port taper angle of said interior surface of said lateral fluid port; and

an external shoulder, said external shoulder abutting said second end of said fluid port when said proximal end of said adaptor slip is inserted into said fluid port, wherein, when said external shoulder abuts said second end of said fluid port; and

a sleeve having a closed proximal end mated with said adapter slip, said closed proximal end of said sleeve having a known predetermined position with respect to said proximal end of said adapter slip;

wherein said adaptor slip is sized relative to said fluid port such that said exterior wall of said adaptor slip provides an interference fit with at least a portion of said interior surface of said fluid port at said proximal end of said adaptor slip when said proximal end of said adaptor slip is inserted into said fluid port.

14. The adapter slip of claim 13 wherein said sleeve is seated in said slip lumen.

15. The adapter slip of claim 13 wherein said adaptor slip is molded around said sleeve.

16. The adapter slip of claim 13 further comprising a collar coupled to said adaptor slip, which circumscribes said adaptor slip distal to said external shoulder, said collar being configured to engage an exterior surface of said lateral fluid port.

17. The adapter slip of claim 13 further comprising a rib relative to said exterior wall of said adaptor slip, wherein said rib provides at least partial interference with at least a portion of said interior surface of said lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.

18. The adapter slip of claim 17 wherein said rib forms a seal with said interior surface of said lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.

19. The adapter slip of claim 18 wherein said slip adapter is affixed to said lateral fluid port using an adhesive when said proximal end of said adaptor slip is inserted into said fluid port.

20. The adapter slip of claim 19 wherein said adhesive is positioned distal of said rib.

21. The adapter slip of claim 13 wherein said interference between said interior surface of said lateral fluid port and said external surface of said adaptor slip forms a seal when said proximal end of said adaptor slip is inserted into said fluid port.

22. The adapter slip of claim 13 wherein said interference occurs only between a portion of said adaptor slip and lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.

23. An adapter slip having a longitudinal axis and a proximal end for seating in a lateral fluid port of an elongated fluid conduit, said fluid port having a longitudinal axis and a first end proximal said fluid conduit and a second end opposite said first end and having a tapered interior surface at a port taper angle, said port taper angle being acute with respect to said longitudinal axis of said lateral fluid port, said tapered interior surface forming a port lumen, said port lumen being narrower at said first end than at said second end, comprising:

an interior wall forming a slip lumen;

an exterior wall, at least a portion of said exterior wall nearest said proximal end of said adaptor slip being tapered at an adaptor taper angle, said adaptor taper angle being acute with respect to said longitudinal axis of said adaptor slip, said exterior wall being narrower at said proximal end of said adapter slip than away from said proximal end of said adaptor slip, said adaptor taper angle of said exterior wall of said adaptor slip being less than said port taper angle of said interior surface of said lateral fluid port; and

an external shoulder, said external shoulder abutting said second end of said fluid port when said proximal end of said adaptor slip is inserted into said fluid port, wherein, when said external shoulder abuts said second end of said fluid port;

a sleeve having a closed proximal end mated with said adapter slip, said closed proximal end of said sleeve having a known predetermined position with respect to said proximal end of said adapter slip;

wherein said adaptor slip is sized relative to said fluid port such that said exterior wall of said adaptor slip provides an interference fit with at least a portion of said interior surface of said fluid port at said proximal end of said adaptor slip when said proximal end of said adaptor slip is inserted into said fluid port;

a rib relative to said exterior wall of said adaptor slip, wherein said rib provides at least partial interference with at least a portion of said interior surface of said lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port;

a collar coupled to said adaptor slip, which circumscribes said adaptor slip distal to said external shoulder, said collar being configured to engage an exterior surface of a first particular one of said lateral fluid port;

wherein said slip adapter is adapted to be affixed to a second particular one of said lateral fluid port using an adhesive when said proximal end of said adaptor slip is inserted into said fluid port; and

wherein said interference between said interior surface of said lateral fluid port and said external surface of said adaptor slip is adapted to form a seal when said proximal end of said adaptor slip is inserted into a third particular one of said fluid port.

24. The adapter slip of claim 23 wherein said sleeve is seated in said slip lumen.

25. The adapter slip of claim 23 wherein said adaptor slip is molded around said sleeve.

26. The adapter slip of claim 23 wherein said rib forms a seal with said interior surface of said lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.

27. The adapter slip of claim 26 wherein said adhesive is positioned distal of said rib.

28. The adapter slip of claim 23 wherein said interference occurs only between a portion of said adaptor slip and lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.

29. An adapter slip having a longitudinal axis and a proximal end for seating in a lateral fluid port of an elongated fluid conduit, said fluid port having a longitudinal axis and a first end proximal said fluid conduit and a second end opposite said first end and having a tapered interior surface at a port taper angle, said port taper angle being acute with respect to said longitudinal axis of said lateral fluid port, said tapered interior surface forming a port lumen, said port lumen being narrower at said first end than at said second end, comprising:

a slip lumen;

an exterior wall, at least a portion of said exterior wall nearest said proximal end of said adaptor slip being tapered at an adaptor taper angle, said adaptor taper angle being acute with respect to said longitudinal axis of said adaptor slip, said exterior wall being narrower at said proximal end of said adapter slip than away from said proximal end of said adaptor slip, said adaptor taper angle of said exterior wall of said adaptor slip being less than said port taper angle of said interior surface of said lateral fluid port; and

an external shoulder, said external shoulder abutting said second end of said fluid port when said proximal end of said adaptor slip is inserted into said fluid port, wherein, when said external shoulder abuts said second end of said fluid port, a location of said proximal end of said adaptor slip relative to said first end of said shoulder to said proximal end of said adaptor slip;

wherein said adaptor slip is sized relative to said fluid port such that said exterior wall of said adaptor slip provides an interference fit with at least a portion of said interior surface of said fluid port at said proximal end of said adaptor slip when said proximal end of said adaptor slip is inserted into said fluid port;

a rib relative to said exterior wall of said adaptor slip, wherein said rib provides at least partial interference with at least a portion of said interior surface of said lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port;

a collar coupled to said adaptor slip, which circumscribes said adaptor slip distal to said external shoulder, said collar being configured to engage an exterior surface of a first particular one of said lateral fluid port;

wherein said slip adapter is adapted to be affixed to a second particular one of said lateral fluid port using an adhesive when said proximal end of said adaptor slip is inserted into said fluid port; and

wherein said interference between said interior surface of said lateral fluid port and said external surface of said adaptor slip is adapted to form a seal when said proximal end of said adaptor slip is inserted into a third particular one of said fluid port.

30. The adapter slip of claim 29 wherein said rib forms a seal with said interior surface of said lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.

31. The adapter slip of claim 30 wherein said adhesive is positioned distal of said rib.

32. The adapter slip of claim 31 wherein said interference occurs only between a portion of said adaptor slip and lateral fluid port when said proximal end of said adaptor slip is inserted into said fluid port.