In the early 1960s Irving Grossman, a Mohel, developed a circumcision clamp called the Circumstat. It incorporates all the benefits of the Gomco clamp
without its deficiencies. The Circumstat, patented in 1962, is easier to handle than the Gomco and assembles much faster. It is made of stainless steel and has only 3 parts: a bell, a baseplate with a built-in cam lever locking device, and a unique gooseneck yoke. The clamp locks and unlocks with a flip of the thumb. The yoke is designed to fit into the baseplate via a circular pivot. It can only rest in the proper position. By holding the clamp together with the thumb and index finger prior to applying the lock, the operator can manipulate the clamp via the pivot, allowing for adjustments in the amount of prepuce to be excised. The Circumstat is engineered for the proper distribution of stress. Long instrument life is thus ensured and the stainless steel bell is not easily cut through. However, the device has not become popular with the medical community.
Artist’s impression of the Circumstat
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