© Copyright, 2017, J.A. McEwen
Last updated January 2017

Selected US Patents and Applications Describing Improvements to Tourniquet Safety, Accuracy, Reliabilty and Performance

(Any of the patents listed below can be viewed by visiting http://www.uspto.gov/patft/ and entering the number of the relevant patent.)

  McEwen, James A. et al. United States Patent No. 7,479,154, January 20, 2009, " Surgical tourniquet apparatus for measuring limb occlusion pressure."

McEwen, James A. et al. United States Patent Application 20080262533, October 23,2008, "Adaptive Surgical Tourniquet Apparatus and Method."

McEwen, James A. United States Patent No. 7,384,425, June 10, 2008, "Matching Limb Protection Sleeve for Tourniquet Cuff."

McEwen, James A. et al. United States Patent No. 7,331,977, February 19, 2008, "Adaptive tourniquet cuff system."

McEwen, James A. et al. United States Patent Application 20070244506, October 18, 2007, "Low-Cost Disposable Tourniquet Cuff Having Improved Safety"

McEwen, James A. et al. United States Patent Application 20070219580, September 20, 2007, "Low-cost contour cuff for surgical tourniquet systems."

McEwen, James A. et al. United States Patent Application 20070135836, June 14, 2007, "Low-cost disposable tourniquet cuff."

McEwen, James A. et al. United States Patent Application 20070135835, June 14, 2007, "Low-cost disposable tourniquet cuff apparatus and method"

McEwen, James A. and Jameson, Michael. United States Patent Application 20070032819, February 8, 2007, "Surgical tourniquet cuff system. "

McEwen, James A. and Jameson, Michael. United States Patent Application 20070032818, February 8, 2007, "Surgical tourniquet cuff for limiting usage to improve safety. "

McEwen, James A. et al. United States Patent Application 20060287672, December 21, 2006, "Tourniquet cuff with improved pneumatic passageway. "

McEwen, James A. and Jameson, Michael. United States Patent Application 20060224181, October 5, 2006, "Occlusion detector for dual-port surgical tourniquet systems. "

McEwen, James A. et al. United States Patent No. 6,746,470 , June 8, 2004 "Emergency and military tourniquet for pre-hospital use. "

McEwen, James A. et al. United States Patent No. 6,682,547, January 27, 2004, "Tourniquet cuff with identification apparatus. "

McEwen, James A. United States Patent No. 6,589,268 , July 8, 2003, "Hazard monitor for surgical tourniquet systems. "

McEwen,James A. United States Patent No. 6,361,548, March 26, 2002, "Limb Protection Sleeve for Matching Tourniquet Cuff."

McEwen, James A. United States Patent No. 6,213,939, April 10, 2001, "Hazard Monitor for Surgical Tourniquet Systems."

McEwen, James A. United States Patent No. 5,935,146, August 10, 1999, "Method for Monitoring the Patency of Pneumatic Tubing."

McEwen, James A. United States Patent No. 5,931,853, August 3, 1999, "Physiologic Tourniquet with Safety Circuit"

McEwen, James A. United States Patent No. 5,911,735, July 15, 1999, "Time-Limited Physiologic Tourniquet"

McEwen, James A, et al.,. United States Patent No. 5,855,589, January 5, 1999, "Physiologic Tourniquet for Intravenous Regional Anesthesia."

McEwen, James A. United States Patent No. 5,741,295, April 21, 1998, "Overlapping Tourniquet Cuff System."

McEwen, James A., et al.,  United States Patent No. 5,681,339, October 28, 1997, "Apparatus and Method for Monitoring the Patency of Tubing in a Pneumatic Medical Device."

McEwen, James A. United States Patent No. 5,649,954, July 22, 1997, "Tourniquet Cuff System."

McEwen, James A., et al., United States Patent No. 5,607,447, March 4, 1997, "Physiologic Tourniquet."

McEwen, James A. United States Patent No. 5,584,853, December 17, 1996, "Tourniquet Cuff Apparatus" (plus associated foreign patents).

McEwen, James A. United States Patent No. 5,578,055, November 26, 1996, "Occlusive Cuff" (plus associated foreign patents).

McEwen, James A. and M. Jameson. U.S. Patent No. 5,556,415, September 17, 1996, "Physiologic Tourniquet for Intravenous Regional Anesthesia" (plus associated foreign patents).

McEwen, James A. United States Patent No. 5,454,831, October 3, 1995, "Occlusive Cuff System."

McEwen, James A. United States Patent No. 5,439,477, August 8, 1995, "Tourniquet Apparatus for Applying Minimum Effective Pressure" (plus associated foreign patents).

McEwen, James A. United States Patent No. 5,352,195, October 4, 1994, "Apparatus for Intravenous Regional Anesthesia.

McEwen, James A. United States Patent No. 5,312,431, May 17, 1994, "Occlusive Cuff" (plus associated foreign patents).

McEwen, James A. United States Patent No. 5,254,087, October 19, 1993, "Tourniquet Apparatus for Intravenous Regional Anesthesia" (plus associated foreign patents).

McEwen, James A. United States Patent No. 5,181,522, January 26, 1993, "Tourniquet for Sensing and Regulation of Applied Pressure."

McEwen, James A. United States Patent No. 5,048,536, September 17, 1991, "Tourniquet for Regulating Applied Pressures" (plus associated foreign patents)

McEwen, James A. United States Patent No. 4,869,265, September 26, 1989, "Biomedical Pressure Transducer" (plus associated foreign patents).

McEwen, James A, United States Patent No. 4,770,175, September 13, 1988, "Occlusive Cuff" (plus associated foreign patents).

McEwen, James A. United States Patent No. 4,605,010, August 12, 1986, "Pressurizing Cuff."

McEwen, James A. United States Patent No. 4,479,494, October 30, 1984, "Adaptive Pneumatic Tourniquet" (plus associated foreign patents).

McEwen, James A. United States Patent No. 4,469,099, September 4, 1984, "Pneumatic Tourniquet" (plus associated foreign patents). Includes Re-Examination Certificate B1 4,469,099 issued November 17, 1992.

© Copyright, 2017, J.A. McEwen
Last updated January 2017
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