System for withdrawing small amounts of body fluid

摘要

A system is provided for withdrawing small amounts of body fluid from an animal or human. The system includes a holder and a disposable lancing unit attached to the holder. The lancing unit also includes an open capillary channel for transporting the body fluid and piercing the skin.

主权项

1. A system, comprising:
a disposable lancing unit having a needle with a distal end for piercing a surface of skin, wherein the needle has at least one capillary structure that is open to the outside from at least the distal end to at least an upper end of the needle; a drive unit configured to hold the distal end of the needle below the surface of the skin and the upper end above the surface of the skin during fluid collection; and wherein the capillary structure is configured to transport body fluid solely via capillary action.