electric desktop cooler for keeping organs for transplants and tissue thereof; portable electric insulin cooler; surgical instruments, namely, an electrical cryosurgical probe, a disposable surgical thermal tip for use with an electrical cryosurgical probe, a heated sleeve to protect healthy tissue from an electrical cryosurgical probe, and a shield for healthy tissue, made from a flexible material that radically expands when heated, for use with an electrical cryosurgical probe