In accordance with aspects of the present invention, an applicator assembly suitable for application of a catheter patch with one hand comprises an upper arm with a proximal end and a distal portion, a lower arm with a proximal end and a distal portion, and a hinge member fixedly joining the proximal ends of the upper arm and the lower arm, wherein an upper surface of the upper arm distal portion abuts a lower surface of the lower arm distal portion. In accordance with another aspect of the present invention, a catheter patch assembly may be secured against a lower surface of the upper arm distal portion. The distal portion of the lower arm may include a securing mechanism for securing the catheter patch assembly to the applicator assembly. A method of applying a catheter patch is provided.依本發明的實施例，適合單手施用一導管貼片之一施用組件，含有一個具有一近側端和一遠側端之上支臂，一個具有一近側端和一遠側端之下支臂，以及一個固定在上支臂和下支臂近側端之樞接部件，其中上支臂遠側部分之一上表面緊鄰下支臂遠側部分之一下表面。依本發明之另一實施例，一導管貼片組件可被固定在上支臂遠側部分之一下表面，下支臂遠側部分可以包括一固定機制，用於把導管貼片組件固定在施用組件。亦提供一種導管貼片之施用方法。
