Claims
- 1. A multilumen catheter comprising:
a first tubing; a plurality of lumens disposed within the first tubing; a plurality of second tubings; and a junction element maintaining a connection between the plurality of lumens and the plurality of second tubings.
- 2. The multilumen catheter of claim 1, further comprising insertion pieces for attachment to the plurality of second tubings.
- 3. The multilumen catheter of claim 1, wherein the plurality of lumens are extruded from the first tubing.
- 4. The multilumen catheter of claim 1, further comprising a lubricious coating on the first tubing.
- 5. The multilumen catheter of claim 4, wherein the lubricious coating is siloxane.
- 6. The multilumen catheter of claim 1, wherein the plurality of second tubings comprise a first infusant tubing, a second infusant tubing and a sensor tubing.
- 7. The multilumen catheter of claim 6, wherein the plurality of lumens comprise a first infusant lumen, a second infusant lumen and a sensor lumen.
- 8. The multilumen catheter of claim 7, wherein the first infusant tubing extends into the first infusant lumen, the second infusant tubing extends into the second infusant lumen and the sensor tubing extends into the sensor lumen.
- 9. The multilumen catheter of claim 7, wherein the first infusant lumen and the second infusant lumen exit the first tubing at the same distance along the length of the first tubing.
- 10. The multilumen catheter of claim 7, wherein the first infusant lumen and the second infusant lumen exit the first tubing at different distances along the length of the first tubing.
- 11. The multilumen catheter of claim 8, wherein a sensor lead extends through the sensor tubing and the sensor lumen.
- 12. The multilumen catheter of claim 11, wherein the sensor lead comprises a sensing element.
- 13. The multilumen catheter of claim 11, wherein the sensing element is an analyte sensor.
- 14. The multilumen catheter of claim 11, wherein the sensing element is a therapy sensor.
- 15. The multilumen catheter of claim 12, wherein the sensor lead is positioned distal to the first tubing.
- 16. The multilumen catheter of claim 12, wherein the sensor lead is positioned proximal to the first tubing.
- 17. The multilumen catheter of claim 8, further comprising infusion members connected to the first tubing and the second tubing.
- 18. The multilumen catheter of claim 17, wherein the infusion members comprise injection sites.
- 19. The multilumen catheter of claim 1, wherein the at least one second tubing extends into the at least one lumen.
- 20. The multilumen catheter of claim 1, wherein the multilumen catheter is a Swan-Ganz catheter.
- 21. The multilumen catheter of claim 1, wherein the multilumen catheter is a Peripherally Inserted Central Catheter.
- 22. A method for using a multilumen catheter comprising:
inserting a distal end of the multilumen catheter into a patient; affixing an external, proximal end of the multilumen catheter to the patient; affixing infusion members to the external, proximal end of the multilumen catheter; affixing electronic elements to the external, proximal end of the multilumen catheter; automatically monitoring a parameter using a sensor located at the distal end of the multilumen catheter and the electronic elements at the external proximal end of the multilumen catheter; and treating the patient in response to the monitoring using the infusion members.
- 23. The method for using a multilumen catheter according to claim 22, wherein automatically monitoring a parameter comprises automatically monitoring a physiological parameter.
- 24. A multilumen catheter comprising:
a first lumen having a contour; and a plurality of second lumens having contours complementary to the first lumen, wherein the contour of the first lumen and the contours of the plurality of second lumens maximize an inner volume of the first lumen and an inner volume of the plurality of the second lumens and minimize an outer dimension of the first lumen and an outer dimension of the plurality of the second lumens.
- 25. The multilumen catheter of claim 24, wherein one of the plurality of second lumens is shaped to provide a path for a guide wire.
- 26. The multilumen catheter of claim 24, wherein the first lumen is used for a sensor lead and at least one of the plurality of second lumens is used for drug delivery.
- 27. The multilumen catheter of claim 24, further comprising:
a first tubing connected to the first lumen; a plurality of second tubings connected to the plurality of second lumens; infusion sources connected to the plurality of second tubings; and a containment element surrounding the first tubing and the plurality of second tubings for maintaining the position of the first tubing and the plurality of second tubings.
- 28. A central line catheter for delivering fluids directly into a patient's body comprising:
a first lumen to deliver a fluid through the central line catheter; and a second lumen containing a sensor capable of indicating a characteristic level in the patient's body.
- 29. The central line catheter according to claim 28, further comprising at least one additional lumen for delivering at least one other fluid.
- 30. The central line catheter according to claim 28, further comprising at least one additional lumen for collecting a sample from the patient's body.
- 31. The central line catheter according to claim 28, further comprising a flush sleeve to remove debris around the sensor.
- 32. The central line catheter according to claim 28, wherein the first lumen delivers the fluid downstream of the sensor.
- 33. The central line catheter according to claim 28, wherein the sensor is an analyte sensor.
- 34. The central line catheter according to claim 33, wherein the analyte is glucose.
- 35. The central line catheter according to claim 28, wherein the sensor is a therapy sensor.
- 36. A system for delivering and monitoring a condition in an intensive care unit, the system comprising:
a central line catheter comprising a first lumen to deliver fluid and a second lumen containing a sensor capable of indicating a characteristic level in blood; an infusion device for delivering fluid through the first lumen; and a monitoring device for displaying readings obtained by the sensor.
- 37. A single lumen catheter comprising:
a first tubing; a lumen disposed within the first tubing; and a sensor disposed within the lumen, wherein the sensor is disposed in a patient percutaneously.
- 38. The single lumen catheter of claim 37, further comprising:
a junction element connected to the first tubing; and a sensor tubing connected to the lumen.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] Embodiments of the present invention relate to U.S. Provisional Application Serial No. 60/414,248, filed Sep. 27, 2002, entitled “Multilumen Catheter,” which is incorporated by reference herein and is a basis for a claim of priority, and to U.S. Provisional Application Serial No. 60/390,940, filed Mar. 1, 2002, entitled “System and Method of Monitoring Analyte Concentrations Through a Central Line,” which is also incorporated by reference herein.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60414248 |
Sep 2002 |
US |