The primary objective of the study is to define procedures for the use of CureXcellTM in the community through Clalit Health Services. Secondary objective is to evaluate the blinding method in a subgroup of patients, which will be used in a future study named: a multinational, multi-center, randomized, double blind, placebo controlled study for the evaluation of the tolerability, safety and efficacy of CureXcell™ therapy plus adequate ulcer treatment, in diabetic patients with ulcers in the lower extremities.