An arrangement for producing a sample of body fluid from a wound opening created in a skin surface at a sampling site includes at least one skin-penetration member having a first end configured to pierce the surface of the skin, and a inner lumen in communication with the first end; at least one actuator...http://www.google.es/patents/US8012104?utm_source=gb-gplus-sharePatente US8012104 - Catalysts for body fluid sample extraction
