For each environment or necessity, it will always have a scale that fulfills the expectations and responds with efficiency to the needs of the users. The case that occupies us, the medical scales, is not the exception. On the contrary, it can fill diverse functions of great relevance, mainly because it is talking about health, that many times can end up being quite delicate, which is important to be served as all the devices that contribute to the improvement of the situation for which is crossed.