# US 2014/0155780 A1 · Body fluid collection device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155780 A1 - Document ID: US20140155780A1 - Status: Published application - Kind: A1 - Application number: 14/095,432 - Filed: 2013-12-03 - Published: 2014-06-05 - Earliest claimed: 2012-12-04 - Assignees: Sysmex Corporation - Applicants: Sysmex Corporation - Inventors: Yasuo KIKKAWA; Mina KAMEI; Akihito TAKEZAKI - Web page: https://patentgrep.com/patent/US20140155780A1 ## CPC - A61B 10/0045: {Devices for taking samples of body liquids} - A61B 2010/008: {Interstitial fluid} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract 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, and part of the far end of the first detachable sheet is separated from the adhesive surface in a non-adhered state is disclosed. ## Claims ### Claim 1 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, and part of the far end of the first detachable sheet is separated from the adhesive surface in a non-adhered state. ### Claim 2 (depends on 1) The body fluid collection device of claim 1, wherein a space is formed between a part of the far end of the first detachable sheet and the adhesive surface when the second detachable sheet is peeled from the substrate. ### Claim 3 (depends on 1) The body fluid collection device of claim 1, wherein 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 less than the distance L defined by equation (1) below. L=(2.4/0.7)×d (1) (Where d is the thickness of the first collection body.) ### Claim 4 (depends on 1) The body fluid collection device of claim 1, wherein 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. ### Claim 5 (depends on 1) The body fluid collection device of claim 1, wherein the external shape of the first collection body is substantially cuboidal or substantially rectangular. ### Claim 6 (depends on 1) The body fluid collection device of claim 1, wherein the first collection body is a gel-like member. ### Claim 7 (depends on 1) The body fluid collection device of claim 1, wherein the second detachable sheet is adhered to the adhesive surface so as to cover part of the first detachable sheet which includes the part covering the first collection body. ### Claim 8 (depends on 1) The body fluid collection device of claim 1 further comprising a second collection body for collecting body fluid provided on the adhesive surface; 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. the second detachable sheet is adhered to the adhesive surface so as to cover the second collection body. ### Claim 9 (depends on 8) The body fluid collection device of claim 8, wherein the second collection body is a gel-like member. ### Claim 10 (depends on 8) The body fluid collection device of claim 8, wherein the first collection body collects perspiration from a region on the skin in which micropores have not been formed, and the second collection body collects interstitial fluid from the region of the skin in which micropores have been formed. ### Claim 11 (depends on 8) The body fluid collection device of claim 8, wherein the distance between the far end of the first collection body in the predetermined direction and the far end of the second collection body in the predetermined direction is 10 mm or greater but less than 20 mm. ### Claim 12 (depends on 8) The body fluid collection device of claim 8, wherein surfaces to be applied on the adhesive surface of the first detachable sheet and the second detachable sheet are treated with a silicone process. ### Claim 13 (depends on 8) The body fluid collection device of claim 8, wherein the second collection body has a different shape than the first collection body. ### Claim 14 (depends on 1) The body fluid collection device of claim 1, wherein the first detachable sheet has a thickness of 0.025 mm or greater but less than 0.100 mm. ### Claim 15 (depends on 1) The body fluid collection device of claim 1, wherein the first detachable sheet is made of a synthetic resin containing at least one in a group of polyethylene terephthalate and polyolefin. ### Claim 16 (depends on 1) The body fluid collection device of claim 1, wherein the substrate has a thickness of 0.025 mm or greater but less than 0.100 mm. ### Claim 17 (depends on 1) The body fluid collection device of claim 1, wherein the substrate is made of a synthetic resin containing at least one in a group of polyethylene, polypropylene, polyester, and polyurethane. ### Claim 18 (depends on 1) The body fluid collection device of claim 1, wherein the first collection body has a thickness of 0.05 mm or greater but less than 1.5 mm. ### Claim 19 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. ### Claim 20 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.