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September 1966, Vol 93, No. 3 >
ARTICLE | September 1966

An Occluding Clamp for Measuring and Gradual Occlusion of Artery

ASGHAR SHAFADEH, MD, MS (SURG)
Arch Surg. 1966;93(3):403. doi:10.1001/archsurg.1966.01330030033007.
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THERE IS a need for graded occlusion of arteries by an instrument in experimental surgery in order to study the ever increasing vascular occlusive disease.

A meroid plastic clamp has been designed by Litvak1 and used by Vineberg2 in the coronary artery. Blalock and Levy3 and several others used Galdblatt clamp in superior mesenteric and renal arteries. These clamps, although simple to apply, lack manual control of occlusion or measuring of diameter of the occluding artery. To achieve both objectives, the following clamp design could be used (Figure).

The clamp consists of a handle and threaded rod that passes within an open supporting frame. To the distal end of the rod is fastened a short length of bead chain which passes through a sliding unit but is soldered to it; to the remaining end of the chain is attached a wire eye, and to this the nonrotating

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