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Tourniquet Systems

delfilogo1James McEwen, Ph.D., P.Eng. Dr. McEwen is the inventor of the automatic surgical tourniquet, and holds patents for much of the advanced tourniquet technology that is now in widespread use in the United States and elsewhere around the world.

Delfi Medical Innovations Inc. is a world leader in personalized tourniquet technology, development and evaluation.  Delfi’s patented products have been designed to meet the needs of general and specialty patient groups, surgeons, operating-room nurses, and pre-hospital medics. For more than 30 years, members of the Delfi team have been extensively involved in improving surgical tourniquet safety through the development and evaluation of new technologies.

PTSii Tourniquet System


Delfi’s state-of-the-art portable electronic tourniquet systems with advanced safety features save valuable space in modern surgical settings.

Available in both single and twin system configurations, fully independent twin channels are color-coded for optimal safety during simultaneous bilateral limb surgeries and IVRA (Bier Block) procedures.

The PTS ii Portable Tourniquet System is ideal for use with Delfi’s unique Vari Fit Contour Cuffs or Pedi Fit Pediatric Cuffs, and is compatible with standard single port tourniquet cuffs.