Surgical Tourniquet

Category Hemostasis Typical Use Provide bloodless field for limb surgery. Description An inflatable or pneumatic cuff applied to a limb to occlude arterial blood flow temporarily, creating a bloodless surgical field that improves visualization and reduces intraoperative blood loss during extremity procedures. Tourniquet use requires careful selection of cuff size, appropriate inflation pressure based on … Read more

Blood Gas Analyzer

Category Laboratory Point of Care Typical Use Measure arterial blood gases and acid base status. Description A point of care or laboratory instrument that measures arterial blood gas parameters including pH, partial pressures of oxygen and carbon dioxide, and electrolytes to assess respiratory function, acid base balance, and metabolic status in critically ill patients. Rapid … Read more

Gamma Knife Radiosurgery System

Category Radiation Therapy Neurosurgery Typical Use Deliver focused high dose radiation to intracranial targets with submillimeter precision. Description A specialized stereotactic radiosurgery platform that uses multiple converging beams of gamma radiation to deliver a single high dose treatment to intracranial lesions such as arteriovenous malformations, small tumors, and functional targets while sparing surrounding normal tissue. … Read more

Acoustic Impedance

Category Physics Term Acoustic Impedance Definition of Acoustic Impedance Resistance Of Tissue To Ultrasound Wave Propagation Determined By Density And Sound Speed Notes About Acoustic Impedance Mismatch Between Tissues Produces Reflections

Needle Holder (Mayo Hegar, Olsen Hegar)

Category Suturing Typical Use Hold suture needle for stitching tissue. Description A ratcheted instrument with short, sturdy jaws designed to securely hold suture needles during tissue approximation and knot tying, providing control and leverage for precise suturing. Different needle holder designs accommodate various needle sizes and surgical tasks; Olsen Hegar models combine scissors for cutting … Read more