A lancet device for deploying a lance comprises a hollow housing defining a cavity and having a proximal end and a distal end, a slider slidable along the hollow housing, a needle holder holding the lance and at least partially positioned in the hollow housing； and a first biasing member positioned between the hollow housing and the needle holder. The needle holder comprises a pair of sides which cooperate to define a channel which receives the lance, and the pair of sides are secured together with each other and with the lance.一種用於部署一刺針之刺胳針裝置，包括一個界定了一腔並具有一近端和一遠端的中空殼體、可沿中空殼體滑動的一滑動件、用於握住刺針且至少部分位於中空殼體內的一握針器，以及位於中空殼體與握針器之間的一第一偏壓件。握針器包括二側，此二側一起界定容納刺針的一溝槽，此二側彼此固定在一起且與刺針固定在一起。
