Temporary microvascular occluder

A microvascular occluder produced from a suitable plastic, colored and/or transparent; including a pair of juxtapositionable legs secured together in clamping relation on a blood vessel between a base and a cuff slidable over the legs, in which the cuff is retained on the occluder, and in which an indicia scale can be incorporated on one or both of the legs, and in which the cuff can include magnetically-attractive material and be moved magnetically; and in which the occluder is readily sterilized through conventional procedures, and inexpensive to manufacture so that it is readily expendable after usage. An occluder holder comprising a tubular sleeve, longitudinally slotted for holding two occluders in spaced straddling relation on a blood vessel during microvascular anastomais.