Method, system and device for detection of blood vessel penetration or prevention of blood vessel penetration for safely injecting liquids or gels under the skin surface

摘要

Method, system and device for blood vessel penetration prevention or blood vessel penetration detection for safe injection of liquids or gels underneath the human skin surface is disclosed, either for wrinkle treatment or for other purposes.;Said method, system and device allow detection of needle contact with a blood vessel, detection of blood vessel penetration and detection of needle condition during its insertion into the patient's skin prior to injecting liquid or gel.;Said method, system and device allow prevention of blood vessel penetration by a needle, allow prevention of injection into a blood vessel and allow detection of defective needle.;Said device includes force sensor that measures said needle's insertion force required to overcome patient's tissues resistance to needle penetration, a controller, which performs force measurement analysis and positioning element, which stabilizes said needle in relation to the patient's skin without pressing the skin layers in the injection site.