Blood sampling device and method using a laser

摘要: A laser and method for punching tiny holes in human skin the purpose of taking blood samples. is provided producing pulses a narrow beam having cross section about 0.2 to 1.5 millimeter diameter deposit 0.5 joules 4 energy on time period between 5 us 600 us. preferred comprises directing joule, 150 us, pulse at patient's finger tip. The vaporizes hole 1 mm deep produce one three drops sample. In another embodiment large vein arm punctured by four joule pulses. produced which permits samples several milliliters be taken.