Body fluid collection device

A body fluid collection device for collecting body fluid through the skin, comprising:

• a sheet-like substrate provided with an adhesive surface;
• a first collection body for collecting body fluid, provided on the adhesive surface;
• a first detachable sheet which is detachably adhered on the adhesive surface so as to cover the first collection body;
• and
• a second detachable sheet which is detachably adhered on the adhesive surface, wherein
• one end of the second detachable sheet in a predetermined direction is overlaid on the far end of the first detachable sheet in the predetermined direction,
• the first collection body has a thickness of 0.05 mm or greater but less than 1.5 mm,
• the first detachable sheet has a thickness of 0.025 mm or greater but less than 0.100 mm, and is made of at least one in a group of polyethylene terephthalate and polyolefin, and
• the distance between the far end of the first detachable sheet in the predetermined direction and the far end of the first collection body in the predetermined direction is 1 mm or greater but less than 3 mm.

A body fluid collection device for collecting body fluid through the skin, comprising:

• a sheet-like substrate provided with an adhesive surface;
• a first collection body for collecting body fluid, provided on the adhesive surface;
• a second collection body for collecting body fluid, provided on the adhesive surface;
• a first detachable sheet which is detachably adhered on the adhesive surface so as to cover the first collection body;
• and
• a second detachable sheet which is detachably adhered on the adhesive surface so as to cover the second collection body;
• wherein
• the first collection body and the second collection body are provided so as to be mutually separated along the predetermined direction on the adhesive surface, and
• one end of the second detachable sheet in a predetermined direction is overlaid on the far end of the first detachable sheet in the predetermined direction, that is, part of the far end of the first detachable sheet is separated from the adhesive surface in a non-adhered state.