Leipzig H-Type applicators are used with a microSelectron HDR (Elekta, Nucletron, Stockholm, Sweden) for treatments of small size cutaneous lesions (up to 2 cm) and shallow depth (3–5 mm). This work presents the checks for the commissioning and the tests for clinical implementation of these devices. Applicators have three different diameters (1, 2, 3 cm). Controls are: – Determination of reference source to indexer distance (DSI): the optimal DSI is determined with EBT-3 gafchromic film. The evaluation criteria are the centering position of irradiation and the orthogonal profiles symmetry. – Comparison with Monte Carlo simulations provided by the manufacturer: • PDD and profiles at different depths (surface, 3 mm, 5 mm, 10 mm) comparison with gafchromic films • Output verification (cGy/h) at 3 mm depth on axis, with a well chamber and specific insert measuring the corresponding factor and compared with the reference values (Perez- Calatayud et al., Med Phys 33(1) 2006), • comparison with small parallel-plate ionization chamber (Markus), – Profile symmetry evaluation with gafchromic films. – checking irradiation time calculated manually with Oncentra TPS (v4.3). The reference distance is 1321 mm. Dose differences are less than 7% for the implemented techniques. The profiles symmetry is between 2% and 5%. Double checking is an efficient technique to prevent human error which may occur during manual calculation of the irradiation time. Testing results validate the Leipzig applicators clinical use for skin lesions treatment.