| CPC A61B 1/051 (2013.01) [A61B 1/00018 (2013.01); A61B 1/00096 (2013.01); A61B 1/05 (2013.01)] | 18 Claims | 

| 
               1. A distal end unit for use with an endoscope, the distal end unit comprising: 
            an electronic module including an optical system and an electrode; 
                a substrate comprising: 
                a first connection portion including a first connection land electrically connected to the electrode; and 
                  a second connection portion provided proximally relative to the first connection portion, the second connection portion including a second connection land on which an electronic component is mounted; 
                a holding frame holding the electronic module and the substrate, the holding frame comprising: 
                an arm member; and 
                  a claw disposed at a distal end of the arm member, the claw configured to hold the optical system; and 
                a distal end frame body, on which the electronic module, the substrate and the holding frame are mounted; 
                wherein the second connection portion extends proximally in a longitudinal axis direction of the distal end frame body. 
               |