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[미국특허] Determination of leak and respiratory airflow 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61M-015/00
출원번호 US-0911513 (1997-08-14)
우선권정보 AU0001638 (1996-08-14)
발명자 / 주소
  • Berthon-Jones Michael,AUX
출원인 / 주소
  • ResMed Limited, AUX
대리인 / 주소
    Gottlieb, Rackman & Reisman, P.C.
인용정보 피인용 횟수 : 113  인용 특허 : 180

초록 ▼

Methods and apparatus for determining leak and respiratory airflow are disclosed. A pressure sensor (34) and a differential pressure sensor (32) have connection with a pneumotach (24) to derive instantaneous mask pressure and airflow respectively. A microcontroller (38) estimates a non-linear conduc

대표청구항 ▼

[ I claim:] [1.] A method for determining instantaneous leak flow at a mask having a leak path during mechanical ventilation, the method comprising the steps of:(a) determining instantaneous airflow at the mask;(b) determining instantaneous pressure at the mask;(c) estimating non-linear instantaneou

이 특허에 인용된 특허 (180) 인용/피인용 타임라인 분석

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  142. Kearns Kenneth L. (12822 N. 26th Dr. Phoenix AZ 85029), Respiration monitor and x-ray triggering apparatus.
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  143. McDonald ; Jr. Lewis D. (701-17th Ave. Seattle WA 98122), Respiration sensor set.
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  144. Hakkinen Taisto (Hameenlinna FIX), Respiration therapy apparatus.
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  145. Carter William (Indianapolis IN), Respiratory aid device.
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  146. Campbell ; Jr. William G. (2019 Orangeview La. Orange CA 92667), Respiratory and cardiac monitor.
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  147. Jaffe Michael B. (Anaheim CA) Luper Charles R. (Anaheim CA) Mabry Eric (Westminster CA) Reid Howard J. (Brea CA), Respiratory gas analysis instrument having improved volume calibration method and apparatus.
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  148. Price William E. (3704 St. Clair Ave. E. Scarborough ; Ontario ; M1M 1T2 CAX), Resuscitation and inhalation device.
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  149. Lambert Barnum B. (San Jose CA), Resuscitator-snorkel for land or water use.
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  150. Schebler Bernard J. (Davenport IA), Selector valve for an aircraft on board oxygen generation system with high pressure oxygen backup.
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  151. Daigle Louis J. L. (Manchester CT), Sensor and meter for measuring the mass flow of a fluid stream.
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  152. Bowers David L. (La Mesa CA) Kienle Gunther W. (El Cajon CA), Sleep apnea monitor.
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  153. Karakasoglu Ahmet ; Hung Chin N. ; Matouk Anthony F. ; Grotte Lawrence C., Sleep apnea screening and/or detecting apparatus and method.
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  154. Estes Mark C. (Irwin PA) Cattano Janice M. (Gibsonia PA), Sleep apnea treatment apparatus.
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  155. Estes Mark C. (Irwin PA) Cattano Janice M. (Gibsonia PA), Sleep apnea treatment apparatus.
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  156. Mechlenburg Douglas M. (Pittsburgh PA) Kimmel Steven A. (Greensburg PA) Fiore John H. (Pittsburgh PA), Sleep apnea treatment apparatus.
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  157. Mechlenburg Douglas M. (Pittsburgh PA) Kimmel Steven A. (Greensburg PA) Fiore John H. (Irwin PA), Sleep apnea treatment apparatus and passive humidifier for use therewith.
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  158. Mechlenburg Douglas M. (Pittsburgh PA) Kimmel Steven A. (Greensburg PA) Fiore John H. (Irwin PA), Sleep apnea treatment apparatus and passive humidifier for use therewith.
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  159. Estes Mark C. (Irwin PA) Cattano Janice M. (Gibsonia PA) Mechlenburg Douglas M. (Pittsburgh PA), Sleep apnea treatment apparatus having multiple ramp cycles.
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  160. Estes Mark C. ; Cattano Janice M., Sleep apnea treatment apparatus with a therapy delay circuit arrangement.
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  161. Estes Mark C. (Irwin PA) Cattano Janice M. (Gibsonia PA), Sleep apnea treatment apparatus with reset circuitry.
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  162. Ogino Hiroyuki (Nara JPX), Sleep detecting apparatus.
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  163. Froehlich James P. (Berlin PA) Mitchell Joseph N. (Rockwood PA) Jones Stephen M. (Turtle Creek PA), Standby control for CPAP apparatus.
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  164. Ogden Douglas R. (Arvada CO), Start-up ramp system for CPAP system with multiple ramp shape selection.
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  165. Kimm Gardner J. (Carlsbad CA) Gee Glen N. (Encinitas CA) Fennema Paul J. (Fallbrook CA) Sanborn Warren G. (Escondido CA), System and method for flow triggering of pressure supported ventilation.
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  166. Kimm Gardner J. (Carlsbad CA) Gee Glen N. (Encinitas CA) Fennema Paul J. (Fallbrook CA) Sanborn Warren G. (Escondido CA), System and method for flow triggering of pressure supported ventilation by comparison of inhalation and exhalation flow.
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  167. Brisson A. Glen (Arlington Heights IL), Temperature control system with alarm and shut down for non-tracking condition of dual thermometers.
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  168. Eichler, Rudiger, Testing of the airways and pulmonary tract of a patient, particularly for sensitivity to aerosols.
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  169. Wilkinson Mark A. (Marietta GA), Thermistor airflow sensor assembly.
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  170. Pearce Stephen D. (14 Malabu Dr. Highland Heights KY 41076), Transducer for detecting apnea.
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  171. McWilliams Roger D. (San Diego CA), Triggering of patient ventilator responsive to a precursor signal.
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  172. Hkkinen Taisto (Hmeenlinna FIX), Ultrasonic atomizer.
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  173. Handke Patrick M. (Monroeville PA), Valve apparatus.
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  174. Holscher Russell L. (Olathe KS), Valve for use with inhalation/exhalation respiratory phase detection circuit.
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  175. Osborn ; John J., Variable orifice gas flow sensing head.
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  176. McKelvey Wilfred G. (Palos Verdes CA), Variable pitch axial fan.
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  177. Weismann Dieter (Gross Gronau DEX) Colla Gregory-Alan (North Sydney AUX) Fiebelkron Dirk (Lubeck DEX), Ventilating system for supplying a patient with respiratory gas and method for triggering the respiratory phases in said.
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  178. Visveshwara Nadarasa (Fresno CA) Freeman Bruce J. (Fresno CA), Ventilation synchronizer.
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  179. Rowland Robert O. (Hemet CA), Ventilator monitor and alarm apparatus.
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  180. Skog Goran,SEX, Ventilator system and method for operating same.
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이 특허를 인용한 특허 (113) 인용/피인용 타임라인 분석

  1. Berthon Jones,Michael; Bateman,Peter; Malouf,Gordon, Adjustment of ventilator pressure-time profile to balance comfort and effectiveness.
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  2. Berthon-Jones, Michael; Bateman, Peter; Malouf, Gordon, Adjustment of ventilator pressure-time profile to balance comfort and effectiveness.
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  3. Berthon-Jones, Michael; Bateman, Peter; Malouf, Gordon, Adjustment of ventilator pressure-time profile to balance comfort and effectiveness.
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  4. Delache,Alain; Delache,V��ronique, Air assistance apparatus for computing the airflow provided by only means of pressure sensors.
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  5. Delache,Alain; Delache,V��ronique, Air assistance apparatus providing fast rise and fall of pressure within one patient's breath.
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  6. Delache, Alain J.; Souquet, Jacques; Emerson, Paul F.; Campbell, James L., Apparatus and method for providing a breathing gas employing a bi-level flow generator with an AC synchronous motor.
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  7. Albertelli, Roberto, Apparatus for non-invasive mechanical ventilation.
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  8. Berthon-Jones, Michael, Assisted ventilation to match patient respiratory need.
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  9. Fetters, Thomas Allen, Automatic transfer regulator for hose-line respirator.
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  10. John Frank ; Peter D. Hill, Breath-based control of a therapeutic treatment.
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  11. Pessala, Tom; Oradd, Toni; Fathollahzadeh, Kiomars; Eriksson, Mats, Breathing apparatus and method for detecting leakage in a sampling line.
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  12. Zdrojkowski, Ronald J.; Sanders, Mark H.; Estes, Mark, Breathing gas delivery method and apparatus.
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  13. Zdrojkowski, Ronald J.; Sanders, Mark H.; Estes, Mark, Breathing gas delivery method and apparatus.
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  14. Zdrojkowski,Ronald J.; Sanders,Mark; Estes,Mark, Breathing gas delivery method and apparatus.
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  15. Fuhrman, Bradley P.; Dowhy, Mark S., Breathing-gas delivery and sharing system and method.
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  16. Richey, II,Joseph B., Carbon dioxide-based Bi-level CPAP control.
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  17. Richey, II, Joseph B., Carbon dioxide-based bi-level CPAP control.
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  18. Boyle, David; Holmes, Michael; Williams, Malcolm, Compressor control system and method for a portable ventilator.
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  19. Boyle, David; Holmes, Michael; Williams, Malcolm, Compressor control system for a portable ventilator.
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  20. Ramanan, Dinesh; Armitstead, Jeffrey Peter, Detection of sleep condition.
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  21. Berthon-Jones, Michael, Determination of leak and respiratory airflow.
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  22. Berthon-Jones, Michael, Determination of leak and respiratory airflow.
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  23. Berthon-Jones, Michael, Determination of leak and respiratory airflow.
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  24. Berthon-Jones, Michael, Determination of leak and respiratory airflow.
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  25. Bassin, David John, Determination of leak during CPAP treatment.
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  26. Bassin, David John, Determination of leak during CPAP treatment.
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  27. Bassin, David John, Determination of leak during CPAP treatment.
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  28. Jafari, Mehdi M.; Jimenez, Rhomere S.; Upham, Gail F., Determination of patient circuit disconnect in leak-compensated ventilatory support.
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  29. Colla, Gregory Alan; Kenyon, Barton John, Fault diagnosis in CPAP and NIPPV devices.
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  30. Allum, Todd W.; Williams, Malcolm R.; Cipollone, Joseph, Flow sensor.
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  31. Allum, Todd W.; Williams, Malcolm R.; Cipollone, Joseph, Flow sensor.
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  32. Allum, Todd W.; Williams, Malcolm R.; Cipollone, Joseph, Flow sensor.
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  33. Lareau, Raymond J, Fluid bypass device for valved catheters.
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  34. Melker,Richard J.; Banner,Michael J.; Lampotang,Samsun; Blanch,Paul B.; Euliano,Neil R.; Carovano,Ronald G., Hybrid microprocessor controlled ventilator unit.
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  35. Jourdain, Cedric; Bernadet, Olivier, Leak determination in a breathing assistance system.
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  36. Jourdain, Cedric; Bernadet, Olivier, Leak determination in a breathing assistance system.
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  37. Jourdain, Cédric; Bernadet, Olivier, Leak determination in a breathing assistance system.
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  38. Jafari, Mehdi M.; Aviano, Jeffrey K.; Jimenez, Rhomere S.; Upham, Gail F., Leak-compensated flow triggering and cycling in medical ventilators.
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  39. Jafari, Mehdi M.; Jimenez, Rhomere S.; Upham, Gail F.; Aviano, Jeffrey K., Leak-compensated pressure regulated volume control ventilation.
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  40. Jafari, Mehdi M.; Jimenez, Rhomere S.; Upham, Gail F.; Aviano, Jeffrey K., Leak-compensated pressure regulated volume control ventilation.
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  41. Jafari, Mehdi M.; Aviano, Jeffrey K.; Jimenez, Rhomere S.; Upham, Gail F., Leak-compensated pressure triggering in medical ventilators.
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  42. Jafari, Mehdi M.; Jimenez, Rhomere S.; Upham, Gail F.; Aviano, Jeffrey K., Leak-compensated proportional assist ventilation.
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  43. Jafari, Mehdi M.; Jimenez, Rhomere S.; Upham, Gail F.; Aviano, Jeffrey K., Leak-compensated proportional assist ventilation.
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  44. Jafari, Mehdi M.; Jimenez, Rhomere S.; Upham, Gail F.; Aviano, Jeffrey K., Leak-compensated proportional assist ventilation.
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  45. Jafari, Mehdi M.; Jimenez, Rhomere S.; Upham, Gail F.; Aviano, Jeffrey K., Leak-compensated respiratory mechanics estimation in medical ventilators.
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  46. DeVries, Douglas F.; Allum, Todd, Mechanical ventilation system utilizing bias valve.
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  47. DeVries, Douglas F.; Allum, Todd, Mechanical ventilation system utilizing bias valve.
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  48. DeVries, Douglas F.; Allum, Todd W., Mechanical ventilation system utilizing bias valve.
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  49. Kasso, David, Medical equipment drying device.
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  50. Strothmann, Thomas; Richey, II, Joseph B., Method and apparatus for adjusting desired pressure in positive airway pressure devices.
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  51. DeVries, Douglas F.; Williams, Malcolm R., Method and apparatus for attenuating compressor noise.
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  52. Mulqueeny, Qestra Camille; Nava, Stefano, Method and apparatus for detecting ineffective inspiratory efforts and improving patient-ventilator interaction.
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  53. Mulqueeny, Qestra Camille; Nava, Stefano, Method and apparatus for detecting ineffective inspiratory efforts and improving patient-ventilator interaction.
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  54. Berthon Jones,Michael, Method and apparatus for determining instantaneous inspired volume of a subject during ventilatory assistance.
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  55. Kwok, Philip Rodney, Method and apparatus for humidification of breathable gas with profiled delivery.
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  56. Kwok, Philip Rodney, Method and apparatus for humidification of breathable gas with profiled delivery.
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  57. Kwok, Philip Rodney, Method and apparatus for humidification of breathable gas with profiled delivery.
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  58. Berthon-Jones, Michael, Method and apparatus for providing ventilatory assistance.
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  59. Berthon-Jones, Michael, Method and apparatus for providing ventilatory assistance.
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  60. Kane, Michael T.; Bann, Susan L.; Siirola, Rochelle; Duff, Winslow K.; Baloa, Leonardo A., Method and apparatus for treating Cheyne-Stokes respiration.
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  61. Kane, Michael Thomas; Bann, Susan L.; Siirola, Rochelle E.; Duff, Winslow K.; Baloa, Leonardo A., Method and apparatus for treating Cheyne-Stokes respiration.
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  62. Kane, Michael Thomas; Bann, Susan L.; Siirola, Rochelle E.; Duff, Winslow K.; Baloa, Leonardo A., Method and apparatus for treating cheyne-stokes respiration.
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  63. Dietz,Florian; Wedler,Wolfgang; Göbel,Christof, Method and device for detecting leaks in respiratory gas supply systems.
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  64. Aylsworth,Alonzo C.; Spector,Lawrence C., Method and system of individually controlling airway pressure of a patient's nares.
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  65. Berthon-Jones, Michael, Method for calculating the instantaneous inspired volume of a subject during ventilatory assistance.
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  66. Michael Berthon-Jones AU, Method for providing ventilatory assistance in a spontaneously breathing subject.
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  67. Ujhazy, Anthony John; Wright, Jonathan Caldwell; Richards, Glenn; Bassin, David John; Berthon-Jones, Michael, Methods and apparatus for heart failure treatment.
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  68. Farrell, Michael; Hebblewhite, Malcolm; Stewart, Deidre; Tisthammer, Ann; Vance, Maya; Randolph, Robin, Methods and apparatus for monitoring the cardiovascular condition of patients with sleep disordered breathing.
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  69. Wright, Jonathan Caldwell; Ujhazy, Anthony John; Hansford, Alison Mary, Methods and apparatus for stroke patient treatment.
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  70. Wright,Jonathan Caldwell; Ujhazy,Anthony John; Hansford,Alison Mary, Methods and apparatus for stroke patient treatment.
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  71. Jafari, Mehdi M.; Masic, Milenko; Jimenez, Rhomere S.; Aviano, Jeffrey K.; McCoy, Edward R., Methods and systems for adaptive base flow and leak compensation.
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  72. Esmaeil-zadeh-azar, Farhad, Methods and systems for breath delivery synchronization.
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  73. Jafari, Mehdi M.; Arul, Periagounder R.; Aviano, Jeffery K., Methods and systems for leak estimation.
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  74. Jafari, Mehdi M.; Arul, Periagounder R.; Aviano, Jeffrey K., Methods and systems for leak estimation.
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  75. Jafari, Mehdi M.; Doyle, Peter R.; Jimenez, Rhomere S.; Aviano, Jeffrey K., Methods and systems for transitory ventilation support.
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  76. Milne, Gary, Methods and systems for volume-targeted minimum pressure-control ventilation.
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  77. Klemperer,Walter G., Mouthpiece, nasal seal, head appliance, apparatus, and methods of treating sleep apnea.
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  78. Hill, Peter D., Parameter variation for proportional assist ventilation or proportional positive airway pressure support devices.
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  79. Berthon Jones,Michael, Patient-ventilator synchronization using dual phase sensors.
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  80. Berthon-Jones, Michael, Patient-ventilator synchronization using dual phase sensors.
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  81. Brawner,David; Hegarty,Christopher, Portable electronic spirometer.
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  82. DeVries, Douglas F.; Boyle, David; Holmes, Michael; Williams, Malcolm, Portable ventilator system.
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  83. DeVries, Douglas F.; Boyle, David; Holmes, Michael; Williams, Malcolm, Portable ventilator system.
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  84. DeVries, Douglas F.; Boyle, David; Holmes, Michael; Williams, Malcolm, Portable ventilator system.
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  85. DeVries, Douglas F.; Boyle, David; Holmes, Michael; Williams, Malcolm, Portable ventilator system.
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  86. DeVries, Douglas F.; Boyle, David; Holmes, Michael; Williams, Malcolm, Portable ventilator system.
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  88. Miller, Stephen C, Power injection valve.
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  89. Lareau, Raymond; Girard, Mark; Bell, Benjamin, Pressure activated valve for high flow rate and pressure venous access applications.
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  90. Weaver, Karla; DiCarlo, Paul D, Pressure activated valve with high flow slit.
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  91. Jaffe, Michael Brian; Orr, Joseph Allen, Pressure based gas leak testing.
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  92. Carron, Gérard, Protective suit for an individual and related assembly.
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  93. Acker, Jaron Matthew; Tham, Robert Quin Yew; Bilek, Kristopher John; Tzanetakis, Andreas, Respiratory monitoring with differential pressure transducer.
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  94. Allum, Todd W., Roots-type blower reduced acoustic signature method and apparatus.
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  95. Jafari, Mehdi M.; Jimenez, Rhomere S.; Aviano, Jeffrey K.; Upham, Gail F., System and method for determining ventilator leakage during stable periods within a breath.
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  96. Morris, Make; Flolid, Gregory William; Curran, Neal Joseph, System and method for providing a breathing gas.
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  97. Morris, Make; Flolid, Gregory William; Curran, Neal Joseph, System and method for providing a breathing gas.
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  98. Morris,Make; Flolid,Gregory William; Curran,Neal Joseph, System and method for providing a breathing gas.
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  99. Masic, Milenko; Doyle, Peter, Systems and methods for automatic adjustment of ventilator settings.
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  100. Masic, Milenko, Systems and methods for determining patient effort and/or respiratory parameters in a ventilation system.
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  101. Masic, Milenko, Systems and methods for determining patient effort and/or respiratory parameters in a ventilation system.
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  102. Masic, Milenko, Systems and methods for monitoring and displaying respiratory information.
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  103. Masic, Milenko, Systems and methods for triggering and cycling a ventilator based on reconstructed patient effort signal.
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  104. Masic, Milenko, Systems and methods for triggering and cycling a ventilator based on reconstructed patient effort signal.
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  105. Masic, Milenko, Systems and methods for triggering and cycling a ventilator based on reconstructed patient effort signal.
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  106. Masic, Milenko; Guy, Jon, Systems and methods for ventilation in proportion to patient effort.
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  107. Masic, Milenko; Guy, Jon, Systems and methods for ventilation in proportion to patient effort.
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  108. Brunner, Josef, Tube system for ventilation appliances.
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  109. Moorehead, Harvey Robert; Bergeron, Brian J., Valved catheters including high flow rate catheters.
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  110. Glenn, Gregory J.; Grant, Matthew Tyson, Ventilation triggering using change-point detection.
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  111. Jafari, Mehdi M.; Jimenez, Rhomere S.; McCoy, Edward R.; Aviano, Jeffrey K., Ventilator leak compensation.
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  112. Jafari, Mehdi M.; Jimenez, Rhomere S.; McCoy, Edward R.; Aviano, Jeffrey K., Ventilator leak compensation.
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  113. Berthon Jones,Michael; Malouf,Gordon Joseph, Ventilatory assistance using an external effort sensor.
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