Hegara extension
Set of extensions
Hegar's dilator (Hegar's Stifte, Hegarstifte) - a medical tool in the shape of a round stainless steel cylinder (rarely glass or hard rubber) of a specified diameter. They are used in obstetrics to widen the diameter of the cervical canal as well as in pediatric surgery to widen the anal canal diameter after surgery of its overgrowth. Another application is the calibration of the urethra diameter in case of narrowing of the light after surgery. She enlarged these into gynecology Alfred Hegar.
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