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A pneumatic tourniquet is a medical device that uses an inflatable cuff to temporarily restrict blood flow to a limb. It connects to a pressure-regulated system that inflates the cuff to a set pressure. Pneumatic tourniquets are often used during arm or leg surgery to create a clearer surgical field. They should be used only by trained healthcare professionals.
read more about pneumatic tourniquet ...A pneumatic tourniquet is used to reduce bleeding in the operative area during selected limb procedures. By limiting blood flow, it can help the surgical team see tissue more clearly and work more precisely. It is commonly used in orthopedic, hand, foot, ankle, and other extremity procedures. The decision to use one depends on the procedure, patient risk factors, and surgeon’s judgment.
A pneumatic tourniquet system usually includes an inflatable cuff, tubing, a pressure source, a regulator, and safety alarms. Cuffs come in different widths, lengths, and shapes to fit different limbs. Some systems allow single-cuff or dual-cuff use depending on the procedure. Proper cuff selection is important because poor fit can raise the risk of nerve, skin, or tissue injury.
The cuff is placed around the limb over protective padding or according to the device instructions. The limb may be elevated or wrapped before inflation to reduce blood in the area. The cuff is inflated to a pressure chosen for the patient and procedure, then monitored during surgery. The team tracks inflation time and deflates the cuff when it is no longer needed.
Pneumatic tourniquets can cause nerve injury, skin injury, pain, bruising, pressure damage, blood vessel injury, or complications from prolonged inflation. Risk can increase with excessive pressure, wrong cuff size, poor placement, inadequate padding, or long tourniquet time. Patients with vascular disease, neuropathy, clotting risk, or fragile skin need extra assessment. After use, the limb should be checked for circulation, sensation, movement, pain, and skin changes.
No. A pneumatic tourniquet is a controlled surgical device with a cuff and pressure system. Emergency tourniquets are used to control life-threatening limb bleeding outside the operating room.
Pressure is monitored to restrict blood flow while reducing unnecessary tissue pressure. Too much pressure can increase injury risk.
Yes. Nerve injury is a known risk, especially with high pressure, poor cuff fit, or prolonged inflation time.
It should be applied and monitored by trained surgical or clinical staff who understand cuff selection, pressure settings, timing, and patient safety checks.
21 CFR 878.5910: Pneumatic tourniquet. eCFR. https://www.ecfr.gov/current/title-21/chapter-I/subchapter-H/part-878/subpart-F/section-878.5910. Date Accessed June 15, 2026.
Pneumatic tourniquet: Product Classification. U.S. Food and Drug Administration. https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfpcd/classification.cfm?id=QGX. Date Accessed June 15, 2026.
AORN Guideline in Focus: Pneumatic Tourniquet Safety. AORN. https://www.aorn.org/article/aorn-guideline-in-focus--pneumatic-tourniquet-safety. Date Accessed June 15, 2026.
Summary of the best evidence for the safe use of pneumatic tourniquet in limb surgery. PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC11443628/. Date Accessed June 15, 2026.
Management of Tourniquet-Related Nerve Injury. PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC9440764/. Date Accessed June 15, 2026.