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Cannula position detection 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61M-031/00
출원번호 US-0123327 (1993-09-17)
발명자 / 주소
  • Butterfield Robert D. (Poway CA)
출원인 / 주소
  • IVAC Corporation (San Diego CA 02)
인용정보 피인용 횟수 : 35  인용 특허 : 0

초록

Bidirectional flow patterns are induced in a fluid supply line and the reverse flow resistance and the forward flow resistance are measured and compared. A measure of the resistance to flow is made by normalizing a sum of the entire pressure response about a pressure baseline according to the volume

대표청구항

A method for determining the position of a cannula inserted into the vascular system of a patient, the cannula coupled to the downstream end of a conduit that is connected at its upstream end to a reservoir of fluid, the method comprising the steps of: a. establishing a baseline pressure based on th

이 특허를 인용한 특허 (35)

  1. Hann, Lenn R., Apparatus and method for monitoring catheter insertion.
  2. Hann, Lenn R., Apparatus and method for monitoring catheter insertion.
  3. Vanderveen, Timothy W.; Butterfield, Robert D., Empty container detection using container side pressure sensing.
  4. Vanderveen,Timothy W.; Butterfield,Robert D., Empty container detection using container side pressure sensing.
  5. DiPerna, Paul M, Flow regulating stopcocks and related methods.
  6. Voss Gregory I. (Solana Beach CA) Butterfield Robert D. (Poway CA) Baura Gail D. (San Diego CA) Barnes Casper W. (Murrieta CA), Fluid flow impedance monitoring system.
  7. Butterfield Robert D. ; Farquhar Allen, Fluid flow resistance monitoring system.
  8. Butterfield Robert D. ; Farquhar Allen, Fluid flow resistance monitoring system.
  9. Butterfield Robert D. ; Farquhar Allen B., Fluid flow resistance monitoring system.
  10. Robert D. Butterfield ; Allen B. Farquhar, Fluid flow resistance monitoring system.
  11. Merriam Richard, Fluid handler and method of handling a fluid.
  12. Merriam Richard ; Donahoe Theresa M. ; Ford Gregory O. ; Kolterman James C. ; Warnke Kevin C., Fluid handler and method of handling a fluid.
  13. Kruse, Geoffrey, Infusion device occlusion detection system.
  14. DiPerna, Paul M.; Brown, David; Rosinko, Mike; Kincade, Dan; Michaud, Michael; Nadworny, John; Kruse, Geoffrey A.; Ulrich, Thomas R., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
  15. DiPerna, Paul M.; Brown, David; Rosinko, Mike; Kincade, Dan; Michaud, Michael; Nadworny, John; Kruse, Geoffrey A.; Ulrich, Thomas R., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
  16. Kruse, Geoffrey A., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
  17. Michaud, Michael; Kruse, Geoffrey A., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
  18. Michaud, Michael; Kruse, Geoffrey A., Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
  19. Verhoef, Erik T.; DiPerna, Paul M.; Rosinko, Mike; Williamson, Mark; Kruse, Geoffrey A.; Ulrich, Thomas R.; Lamb, Phil; Saint, Sean; Michaud, Michael; Trevaskis, William, Infusion pump system with disposable cartridge having pressure venting and pressure feedback.
  20. Vanderveen, Timothy W.; Butterfield, Robert D., Medication safety enhancement for secondary infusion.
  21. Vanderveen, Timothy W.; Butterfield, Robert D., Medication safety enhancement for secondary infusion.
  22. Kopperschmidt, Pascal; Gross, Malte; Spickermann, Reiner, Method and device for recognition of paravasal bleeding.
  23. Kopperschmidt, Pascal; Gross, Malte; Spickermann, Reiner, Method and device for recognition of paravasal bleeding.
  24. Chambers, Joshua; O'Mahony, John, Occlusion detection in delivery of fluids.
  25. Barak Swi,ILX, Pump system with error detection for clinical nutrition.
  26. DiPerna, Paul M., Slideable flow metering devices and related methods.
  27. Brown, David, Solute concentration measurement device and related methods.
  28. Rosinko, Michael J.; Khairkhahan, Alexander; Horzewski, Michael; Harman, Stuart D.; Mueller, Richard L.; Murphy-Chutorian, Douglas R., Steerable catheter with tip alignment and surface contact detector.
  29. Rosinko, Michael J.; Kruse, Geoffrey A.; Harris, Paul, System and method for detecting occlusions in an infusion pump.
  30. Rosinko, Mike; Kruse, Geoffrey; Harris, Paul, System and method for detecting occlusions in an infusion pump.
  31. Vanderveen,Timothy W.; Butterfield,Robert D., System for detecting the status of a vent associated with a fluid supply upstream of an infusion pump.
  32. Metzmaker, Thomas; Saint, Sean; Michaud, Michael; Rosinko, Michael J.; Swanson, Vance, Systems including vial adapter for fluid transfer.
  33. Ginetti Bernard (Antibes FRX), Thermometric-to-digital-to-analog converter occupying reduced chip area.
  34. DiPerna, Paul M., Two chamber pumps and related methods.
  35. Robert D. Butterfield, Upstream occlusion detection system.
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