Joseph A. Orr, PhD, MS, MEM

Languages

  • English
  • Spanish

Academic Information

  • Departments: Anesthesiology - Research Professor

Academic Office Information

  • 801-581-6393
  • School of Medicine
    Department of Anesthesiology
    30 N 1900 E, Room: 3C525
    Salt Lake City, UT 84132

Education History

Type School Degree
Doctoral Training University of Utah
Bioengineering
Ph.D.
Graduate Training Brigham Young University
Engineering Management
M.E.M.
Graduate Training University of Utah
Bioengineering
M.S.
Undergraduate Arizona State University
Electrical Engineering
B.S.

Selected Publications

Journal Article

  1. Ermer S, Brewer L, Orr J, Egan TD, Johnson K (2018). Comparison of 7 Different Sensors for Detecting Low Respiratory Rates Using a Single Breath Detection Algorithm in Nonintubated, Sedated Volunteers. Anesth Analg, 129(2), 399-408.
  2. Fogarty M, Kuck K, Orr J, Sakata D (2019). A comparison of controlled ventilation with a noninvasive ventilator versus traditional mask ventilation. (Epub ahead of print) J Clin Monit Comput.
  3. Teng WN, Ting CK, Wang YT, Yang KY, Tsou MY, Orr JA, Burk KM, Chiang H, Lin CL (2018). Novel mandibular advancement bite block with supplemental oxygen to both nasal and oral cavity improves oxygenation during esophagogastroduodenoscopy: a bench comparison. J Clin Monit Comput, 33(3), 523-530.
  4. Burk KM, Kuck K, Orr JA (2019). Evaluation and application of a method for estimating nasal end-tidal O2 fraction while administering supplemental O2. (Epub ahead of print) J Clin Monit Comput.
  5. Burk KM, Sakata DJ, Kuck K, Orr JA (2019). Comparing Nasal End-Tidal Carbon Dioxide Measurement Variation and Agreement While Delivering Pulsed and Continuous Flow Oxygen in Volunteers and Patients. (Epub ahead of print) Anesth Analg.
  6. Hsu WC, Orr J, Lin SP, Yu L, Tsou MY, Westenskow DR, Ting CK (2017). Efficiency of oxygen delivery through different oxygen entrainment devices during sedation under low oxygen flow rate: a bench study. J Clin Monit Comput, 32(3), 519-525.
  7. Allen SG, Brewer L, Gillis ES, Pace NL, Sakata DJ, Orr JA (2017). A Turbine-Driven Ventilator Improves Adherence to Advanced Cardiac Life Support Guidelines During a Cardiopulmonary Resuscitation Simulation. Respir Care, 62(9), 1166-1170.
  8. Chang KC, Orr J, Hsu WC, Yu L, Tsou MY, Westenskow DR, Ting CK (2015). Accuracy of CO₂ monitoring via nasal cannulas and oral bite blocks during sedation for esophagogastroduodenoscopy. J Clin Monit Comput, 30(2), 169-73.
  9. Brewer L, Orr J, Fulcher E, Markewitz B (2011). Evaluation of a CO2 partial rebreathing functional residual capacity measurement method for use during mechanical ventilation. J Clin Monit Comput, 25(6), 397-404.
  10. Birgenheier N, Stoker R, Westenskow D, Orr J (2011). Activated charcoal effectively removes inhaled anesthetics from modern anesthesia machines. Anesth Analg, 112(6), 1363-70.
  11. Grges M, Westenskow DR, Kck K, Orr JA (2010). A tool predicting future mean arterial blood pressure values improves the titration of vasoactive drugs. J Clin Monit Comput, 24(3), 223-35.

Patent

  1. Orr, Joseph Allen, Brewer, Lara Marie (2018). System and method of identifying breaths based solely on capnographic information. U.S. Patent No. 9,907,511. Washington, D.C.:U.S. Patent and Trademark Office.
  2. Jaffe, Michael Brian, Orr, Joseph Allen (2018). Pressure based gas leak testing. U.S. Patent No. 9,855,395. Washington, D.C.:U.S. Patent and Trademark Office.
  3. Orr, Joseph Allen (2017). System for providing support therapy while determining concentrations of a molecular gaseous expired by a subject receiving pressure support therapy. U.S. Patent No. 9,839,754. Washington, D.C.:U.S. Patent and Trademark Office.
  4. Orr, Joseph Allen, Brewer, Lara (2017). Determining components of total carbon dioxide excreted by a subject. U.S. Patent No. 9,763,601. Washington, D.C.:U.S. Patent and Trademark Office.
  5. Orr, Joseph Allen, Brewer, Lara, Westenskow, Dwayne Ronald, Goerges, Matthias (2017). Intuitive presentation of ventilation effectiveness. U.S. Patent No. 9,675,300. Washington, D.C.:U.S. Patent and Trademark Office.
  6. Orr, Joseph Allen (2017). System and method for detecting valid breaths from a capnometry signal. U.S. Patent No. 9,572,518. Washington, D.C.:U.S. Patent and Trademark Office.
  7. Brewer, Lara, Orr, Joseph Allen (2017). System and method for determining dead space fraction in an ongoing manner from intermittent blood gas samples. U.S. Patent No. 9,549,690. Washington, D.C.:U.S. Patent and Trademark Office.
  8. Orr; Joseph (2016). System and method for simulating arterial pressure pulses. U.S. Patent No. 10,210,774. Washington, D.C.:U.S. Patent and Trademark Office.
  9. Orr, Joseph Allen, Jaffe, Michael Brian (2016). System and method of monitoring breathing. U.S. Patent No. 9,446,210. Washington, D.C.:U.S. Patent and Trademark Office.
  10. Orr; Joseph (2016). System and method for simulating intrauterine contractions for noninvasive intra-partum fetal monitoring. U.S. Patent No. 10,269,265. Washington, D.C.:U.S. Patent and Trademark Office.
  11. Syroid, Noah, Orr, Joseph (2016). System for generating noninvasive respiratory monitor signals. U.S. Patent No. 9,277,890. Washington, D.C.:U.S. Patent and Trademark Office.
  12. Orr, Joseph (2014). System and method for delivery of variable oxygen flow. U.S. Patent No. 10,143,820. Washington, D.C.:U.S. Patent and Trademark Office.
  13. Orr; Joseph (2014). System and method for detection of oxygen delivery failure. U.S. Patent No. 10,159,815. Washington, D.C.:U.S. Patent and Trademark Office.
  14. Orr Joseph, Westenskow Dwayne, Sakata Derek (2014). System, method and apparatus for removal of volatile anesthetics for malignant hyperthermia. U.S. Patent No. 8,800,561. Washington, D.C.:U.S. Patent and Trademark Office.
  15. Orr Joseph, Kuck Kai (2014). Systems and methods for accurately, substantially noninvasively determining pulmonary capillary blood flow or cardiac output. U.S. Patent No. 8,801,625. Washington, D.C.:U.S. Patent and Trademark Office.
  16. Joseph A. Orr and Craig T. Flanagan (2014). Compensation of volumetric errors in a gas monitoring system. U.S. Patent No. 8,696,591. Washington, D.C.:U.S. Patent and Trademark Office.
  17. Orr, Joseph A., Westenskow, Dwayne R. (2014). Anesthesia reversal methods and systems. U.S. Patent No. 8,671,94. Washington, D.C.:U.S. Patent and Trademark Office.
  18. Orr, Joseph Allen (2014). System and method for detecting respiratory insufficiency in the breathing of a subject. U.S. Patent No. 8,660,971. Washington, D.C.:U.S. Patent and Trademark Office.
  19. McLean, Bruce S., Orr, Joseph, Muszynski, Mark (2013). Valve tee for patient breath analyzer. U.S. Patent No. D691,717. Washington, D.C.:U.S. Patent and Trademark Office.
  20. Orr, Joseph, Westenskow, Dwayne, Sakata, Derek (2013). System, method and apparatus for removal of volatile anesthetics for malignant hyperthermia. U.S. Patent No. 8,485,187. Washington, D.C.:U.S. Patent and Trademark Office.
  21. Kuck K, Orr JA, Brewer LM (2013). Methods and apparatus for improving time domain relationships between signals obtained from respiration. U.S. Patent No. 8,398,559. Washington, D.C.:U.S. Patent and Trademark Office.
  22. Orr JA, Flanagan CT. (2012). Compensation of volumetric errors in a gas monitoring system. U.S. Patent No. 8,312,878. Washington, D.C.:U.S. Patent and Trademark Office.
  23. Orr, Joesph A., Gunneson, Paul B., Pierry, Anthony T. (2012). Temperature compensation of a respiratory gas sensor. U.S. Patent No. 8,273,033. Washington, D.C.:U.S. Patent and Trademark Office.
  24. Orr; Joseph Allen, Long; Christina Marie (2012). Method and apparatus for monitoring and controlling a pressure support device. U.S. Patent No. 10,085,674. Washington, D.C.:U.S. Patent and Trademark Office.
  25. Jaffe, Michael B., Orr, Joseph A. (2012). End-tidal gas estimation system and method. U.S. Patent No. 8,176,915. Washington, D.C.:U.S. Patent and Trademark Office.
  26. Jaffe, Michael B., Orr, Joseph A. (2012). End-tidal gas estimation system and method. U.S. Patent No. 8,166,971. Washington, D.C.:U.S. Patent and Trademark Office.
  27. Orr, Joseph A., Kofoed, Scott A., Westenskow, Dwayne, Jaffe, Michael B. (2012). Apparatus and method for non-invasively measuring caridac output. U.S. Patent No. 8,096,297. Washington, D.C.:U.S. Patent and Trademark Office.
  28. Orr, Joseph A. (Park City, UT), Westenskow, Dwayne R. (Salt Lake City, UT) (2011). Method for reducing the effects of general anesthetics. U.S. Patent No. 7,891,356. Washington, D.C.:U.S. Patent and Trademark Office.
  29. Orr, Joseph A., Westenskow, Dwayne R. (2011). Method for reducing the effects of general anesthetics. U.S. Patent No. 7,891,356. Washington, D.C.:U.S. Patent and Trademark Office.
  30. Orr; Joseph Allen, Hoehne; Soeren, Brewer; Lara (2010). Subject interface appliance and method for delivering a breathable substance to a subject while obtaining gas samples from the airway of the subject. U.S. Patent No. 10,117,599. Washington, D.C.:U.S. Patent and Trademark Office.
  31. Orr, Joseph A (2010). System and method for calibrating a determination of partial pressure of one or more gaseous analytes. U.S. Patent No. 7,788,963. Washington, D.C.:U.S. Patent and Trademark Office.
  32. Westenskow, Dwayne R., Orr, Joseph A., Syroid, Noah, Snell, Daniel, Agutter, James, Drews, Frank, Lingutla, Srinath, Balakrishnan, Santosh, Kuck, Kai, Brewer, Lara (2010). System for providing emergency medical care with real-time instructions and associated methods. U.S. Patent No. 7,774,060. Washington, D.C.:U.S. Patent and Trademark Office.
  33. Kuck, Kai, Orr, Joseph, Brewer, Lara (2010). Noninvasive effective lung volume estimation. U.S. Patent No. 7,699,788. Washington, D.C.:U.S. Patent and Trademark Office.
  34. Orr, Joseph A., Kofoed, Scott A., Westenskow, Dwayne, Jaffe, Michael B. (2010). Apparatus for non-invasively measuring cardiac output. U.S. Patent No. 7,686,012. Washington, D.C.:U.S. Patent and Trademark Office.
  35. Orr, Joseph A., Kofoed, Scott A., Durst, Kevin (2010). Portable pressure transducer, pneumotach for use therewith, and associated methods. U.S. Patent No. 7,654,146. Washington, D.C.:U.S. Patent and Trademark Office.
  36. Orr, Joseph A. (2009). Apparatus and techniques for reducing the effects of general anesthetics. U.S. Patent No. 7,621,272. Washington, D.C.:U.S. Patent and Trademark Office.
  37. Orr JA, Sakata DJ, Westenskow DR (2008). Apparatus and techniques for reducing the effects of general anesthetics. U.S. Patent No. 7,353,825. Washington, D.C.:U.S. Patent and Trademark Office.
  38. Mace LE, Labuda LL, Blazewicz PR, Rich DR, Jaffe MB, Orr JA, Kofoed SA (2008). Multiple function airway adapter. U.S. Patent No. 7,335,164. Washington, D.C.:U.S. Patent and Trademark Office.
  39. Orr JA, Kofoed SA, Durst K (2007). Portable pressure transducer, pneumotach for use therewith, and associated methods. U.S. Patent No. 7,174,789. Washington, D.C.:U.S. Patent and Trademark Office.
  40. Orr JA, Kuck K, Brewer L (2006). Rebreathing methods including oscillating, substantially equal rebreathing and nonrebreathing periods. U.S. Patent No. 7,135,001. Washington, D.C.:U.S. Patent and Trademark Office.
  41. Kuck K, Orr JA, Brewer L (2006). Algorithms, systems, and methods for estimating carbon dioxide stores, transforming respiratory gas measurements, and obtaining accurate noninvasive pulmonary capillary blood flow and cardiac output measurements. U.S. Patent No. 7,074,196. Washington, D.C.:U.S. Patent and Trademark Office.
  42. Orr JA, Kuck K (2006). Methods for accurately, substantially noninvasively determining pulmonary capillary blood flow, cardiac output, and mixed venous carbon dioxide content. U.S. Patent No. 7,025,731. Washington, D.C.:U.S. Patent and Trademark Office.
  43. Jaffe MB, Orr JA, Kofoed SA, Westenskow DR (2006). Apparatus and method for non-invasively measuring cardiac output. U.S. Patent No. 7,018,340. Washington, D.C.:U.S. Patent and Trademark Office.
  44. Orr JA, Kofoed SA, Durst K (2005). Portable pressure transducer, pneumotach for use therewith, and associated methods. U.S. Patent No. 6,968,741. Washington, D.C.:U.S. Patent and Trademark Office.
  45. Kuck K, Orr JA, Brewer L (2005). ALGORITHMS, SYSTEMS, AND METHODS FOR ESTIMATING CARBON DIOXIDE STORES, TRANSFORMING RESPIRATORY GAS MEASUREMENTS, AND OBTAINING ACCURATE NONINVASIVE PULMONARY CAPILLARY BLOOD FLOW AND CARDIAC OUTPUT MEASUREMENTS. U.S. Patent No. 6,955,651. Washington, D.C.:U.S. Patent and Trademark Office.
  46. Orr JA, Kofoed SA, Westenskow DR, Jaffe MB (2005). Apparatus and method for non-invasively measuring cardiac output. U.S. Patent No. 6,908,438. Washington, D.C.:U.S. Patent and Trademark Office.
  47. Orr JA, Kofoed SA (2004). Method and apparatus for tracking usage of a respiratory measurement device. U.S. Patent No. 6,824,520. Washington, D.C.:U.S. Patent and Trademark Office.
  48. Orr JA, Kofoed SA, Durst K (2004). Portable pressure transducer, pneumotach for use therewith, and associated methods. U.S. Patent No. 6,691,579. Washington, D.C.:U.S. Patent and Trademark Office.
  49. Orr JA, Kofoed SA, Westenskow DR, Jaffe MB (2003). Apparatus and method for non-invasively measuring cardiac output. U.S. Patent No. 6,648,831. Washington, D.C.:U.S. Patent and Trademark Office.
  50. Orr JA, Kofoed SA, Westenskow DR. Jaffe MB (2003). Apparatus and method for non-invasively measuring cardiac output. U.S. Patent No. 6,648,832. Washington, D.C.:U.S. Patent and Trademark Office.
  51. Orr JA, Kuck K (2003). Methods for accurately, substantially noninvasively determining pulmonary capillary blood flow, cardiac output, and mixed venous carbon dioxide content. U.S. Patent No. 6,540,689. Washington, D.C.:U.S. Patent and Trademark Office.
  52. Orr JA, Kofoed SA, Durst K (2002). Calorimetry systems and methods. U.S. Patent No. 6,475,158. Washington, D.C.:U.S. Patent and Trademark Office.
  53. Kofoed SA, Durst K, Orr JA (2002). Respiratory flow meter and methods of use. U.S. Patent No. 6,367,475. Washington, D.C.:U.S. Patent and Trademark Office.
  54. Kofoed SA, Orr JA, Rich DR (2001). Multiple function airway adapter. U.S. Patent No. 6,312,389. Washington, D.C.:U.S. Patent and Trademark Office.
  55. Orr JA, Kofoed SA, Westenskow DR, Jaffe MB (2001). Apparatus and method for non-invasively measuring cardiac output. U.S. Patent No. 6,306,098. Washington, D.C.:U.S. Patent and Trademark Office.
  56. Haryadi DG, Orr JA, Kuck K, Jaffe MB (2001). Methods of non-invasively estimating intrapulmonary shunt fraction and measuring cardiac output. U.S. Patent No. 6,258,038. Washington, D.C.:U.S. Patent and Trademark Office.
  57. Haryadi DG, Orr JA, Kuck K, Jaffe MB (2001). Methods of measuring cardiac output using a non-invasively estimated intrapulmonary shunt fraction. U.S. Patent No. 6,241,681. Washington, D.C.:U.S. Patent and Trademark Office.
  58. Orr JA, Jaffe MB, Kuck K, Haryadi DG (2001). Method for compensating for non-metabolic changes in respiratory or blood gas profile parameters. U.S. Patent No. 6,238,351. Washington, D.C.:U.S. Patent and Trademark Office.
  59. Jaffe MB, Orr JA, Kofoed SA, Westenskow D (2001). Apparatus and method for non-invasively measuring cardiac output. U.S. Patent No. 6,227,196. Washington, D.C.:U.S. Patent and Trademark Office.
  60. Orr JA, Jaffe MB, Kuck K, Haryadi DG (2001). Method of continuously, non-invasively monitoring pulmonary capillary blood flow and cardiac output. U.S. Patent No. 6,217,524. Washington, D.C.:U.S. Patent and Trademark Office.
  61. Kuck K, Orr JA (2001). Bi-directional partial re-breathing method. U.S. Patent No. 6,210,342. Washington, D.C.:U.S. Patent and Trademark Office.
  62. Kuck K, Orr JA, Jaffe MB, Haryadi DG (2001). Bi-directional partial re-breathing method. U.S. Patent No. 6,200,271. Washington, D.C.:U.S. Patent and Trademark Office.
  63. Orr JA, Jaffe MB, Kuck K, Haryadi DG (2000). ISO-volumetric method of measuring carbon dioxide elimination. U.S. Patent No. 6,059,732. Washington, D.C.:U.S. Patent and Trademark Office.
  64. Durst K, Kofoed SA, Orr JA (2000). Respiratory flow meter. U.S. Patent No. D0423101. Washington, D.C.:U.S. Patent and Trademark Office.
  65. Haryadi DG, Orr JA, Kuck K, Jaffe MB (2000). Methods of non-invasively estimating intrapulmonary shunt fraction and measuring cardiac output. U.S. Patent No. 6,042,550. Washington, D.C.:U.S. Patent and Trademark Office.
  66. Storsved MS (Orr JA et al) (1999). Respiratory air flow sensor. U.S. Patent No. 5,925,831. Washington, D.C.:U.S. Patent and Trademark Office.
  67. Kofoed SA, Orr JA, Rich DR (1998). Multiple function airway adapter. U.S. Patent No. 5,789,660. Washington, D.C.:U.S. Patent and Trademark Office.
  68. Orr JA (1998). Method and apparatus for determining tracheal pressure. U.S. Patent No. 5,752,921. Washington, D.C.:U.S. Patent and Trademark Office.
  69. Baker PD, Orr J, Westenskow DR, Johnson RW (1996). Method and apparatus for producing thermodilution cardiac output measurements utilizing a neural network. U.S. Patent No. 5,579,778. Washington, D.C.:U.S. Patent and Trademark Office.
  70. Kofoed SA, Orr JA (1996). Differential pressure sensor for respiratory monitoring . U.S. Patent No. 5,535,633. Washington, D.C.:U.S. Patent and Trademark Office.
  71. Orr JA, Westenskow DR, Silva FH (1995). Ultrasound medical diagnostic device having a coupling medium providing self-adherence to a patient. U.S. Patent No. 5,394,877. Washington, D.C.:U.S. Patent and Trademark Office.
  72. Kofoed SA, Orr JA (1995). Differential pressure sensor for respiratory monitoring. U.S. Patent No. 5,379,650. Washington, D.C.:U.S. Patent and Trademark Office.
  73. Orr JA, Kofoed SA (1994). Differential pressure flowmeter with enhanced signal processing for respiratory flow measurement. U.S. Patent No. 5,347,843. Washington, D.C.:U.S. Patent and Trademark Office.
  74. Baker PD, Orr JA, Westenskow DR, Egbert TP (1994). Method for determining blood pressure utilizing a neural network. U.S. Patent No. 5,339,818. Washington, D.C.:U.S. Patent and Trademark Office.
  75. Silva FH, Westenskow DR, Orr JA (1993). Self-adhering noninvasive intracorporeal movement detector. U.S. Patent No. 5,195,536. Washington, D.C.:U.S. Patent and Trademark Office.
  76. Westenskow DR, Orr JA (1992). Method and apparatus for monitoring neuromuscular blockage. U.S. Patent No. 5,131,401. Washington, D.C.:U.S. Patent and Trademark Office.