US Patent 7771368 Body fluid collecting device

A body fluid collecting device which is easy to operate to collect body fluid and which is capable of detecting specific components in body fluid with a small amount of sample includes a sensor to detect a prescribed component in the body fluid, and a first supporter to support the vicinity of the measuring part of the sensor and a second supporter to support the sensor at a place closer to the proximal end than the first supporter. The first and second supporters form between them a non-contact space, wherein the first supporter has at its proximal end a concave that communicates with the non-contact space.