? Improvements in a portable device for applying synthesized of laser therapy? .This is a portable device (10) of the type used for laser therapy in medicine, dentistry, dermatology, nutrition, physical therapy.Veterinary and physical education said apparatus (10) is comprised by box controller (20) or circular or quadrangular formats variables such as where is installed the plate with printed circuit (PC1Plate) and light emitting diode. LED (PC2), as well as a set of light emitting diodes (30) are aligned with the windows (25a) grown on the base (25) of the housing (20).And said assembly (30) consists of eight diodes (31) positioned to irradiation at the site of the radial artery of the patient (PA) and twenty infrared diodes (32) lined up andStrategically positioned for irradiation in the acupuncture points (AP) located in the forearm according to the technique wrist - ankle said box (20) includes a software (S1) with programming (G1)Exposure time of irradiation when the use of the apparatus (10) technique. Laser therapy and systemic - ILIB? And technical wrist - ankle, in addition to providing for programming button (21).Outlet for recharging energy (22), Mini USB (23) and straps (24) for the assembly of the bracelet (40) said light emitting diodes (31) and (32) have increased power to 100 MW (T)As well as, wavelength (d) red 630 the 660nm,Infrared 780 to 910nm and blue 420 to 490nm the association of increased power (T) and wavelength (d) comprises reduction of session time programmed by software (S1).?aperfeiçoamentos introduzidos em aparelho portátil para aplicação sintetizada de laserterapia?. trata-se de aparelho portátil (10) do tipo utilizado para laserterapia na área da medicina, odontologia, dermatologia, nutrição, fisioterapia, veterinária e educação física dito aparelho (10) é compreendido por caixa controladora (20) de formatos variáveis como quadrangular ou circular ou onde é instalada a placa com circuito impresso (pc1) e placa de diodos emissores d