Device for analyte measurement

A biochemical analysis instrument for multiple fluid analyses includes:

• a housing;
• a sensor for sensing a reaction disposed in said housing;
• an aperture formed in said housing;
• a test tape housing area formed in said housing, said sensor being disposed to selectively move within said housing area, said aperture being formed to provide access to said tape housing area;
• and
• a cassette configured to be received within said tape housing area;
• said cassette including a case, a first chamber formed in said case, a second chamber formed in said case, a gap formed in said case, said first chamber and second chamber being disposed at a respective side of said gap, a test tape disposed within said housing extending from said first chamber across said gap to said second chamber, said test tape having a plurality of active zones disposed at predetermined spaced intervals along said tape for testing an analyte;
• said active zone including a reagent disposed on said test tape at said active zone;
• said test tape including a support layer;
• and each active zone includes at least a first separating member and a second separating member, said first separating member disposed on said support layer across a gap from a second separating member disposed on said support layer;
• a reagent disposed within said gap between said first separating member and said second separating member;
• and said tape having a cover layer, said first separating member and said second separating member being disposed between said support layer and said cover layer.

A biochemical analysis instrument for multiple fluid analyses includes:

• a housing;
• a sensor for sensing a reaction disposed in said housing;
• an aperture formed in said housing;
• a test tape housing area formed in said housing, said sensor being disposed to selectively move within said housing area, said aperture being formed to provide access to said tape housing area;
• and
• a cassette configured to be received within said tape housing area;
• said cassette including a case, a first chamber formed in said case, a second chamber formed in said case, a gap formed in said case, said first chamber and second chamber being disposed at a respective side of said gap, a test tape disposed within said housing extending from said first chamber across said gap to said second chamber, said test tape having a plurality of active zones disposed at predetermined spaced intervals along said tape for testing an analyte;
• said active zone including a reagent disposed on said test tape at said active zone;
• said test tape including a support layer;
• and each active zone including at least a first separating member and a second separating member, said first separating member disposed on said support layer across a gap from a second separating member disposed on said support layer;
• a reagent disposed within said gap between said first separating member and said second separating member;
• and a cleansing member, said cleansing member being disposed between respective adjacent active zones.

A biochemical analysis cassette comprising:

• a case;
• a first chamber formed in said case;
• a second chamber formed in said case, a gap formed in said case, said first chamber and second chamber being disposed at a respective side of said gap;
• a test tape disposed within said case extending from said first chamber across said gap to said second chamber, said test tape having a plurality of active zones disposed at predetermined spaced intervals along said test tape for testing an analyte, said active zone including a reagent disposed on said test tape at said active zone and wherein said test tape includes a support layer and each active zone includes at least a first separating member and a second separating member, said first separating member disposed on said support layer across a gap from a second separating member disposed on said support layer;
• and
• a reagent disposed within said gap between said first separating member and said second separating member;
• said first separating layer and said second separating layer together are substantially U-shaped;
• and further comprising a venting slit separating said first separating member from said second separating member.

A biochemical analysis cassette comprising:

• a case;
• a first chamber formed in said case;
• a second chamber formed in said case, a gap formed in said case, said first chamber and second chamber being disposed at a respective side of said gap;
• a test tape disposed within said case extending from said first chamber across said gap to said second chamber, said test tape having a plurality of active zones disposed at predetermined spaced intervals along said test tape for testing an analyte, said active zone including a reagent disposed on said test tape at said active zone and said test tape including a support layer and each active zone including at least a first separating member and a second separating member, said first separating member disposed on said support layer across a gap from a second separating member disposed on said support layer;
• and
• a reagent disposed within said gap between said first separating member and said second separating member;
• said tape including a cover layer, said first separating member and said second separating member being disposed between said support layer and said cover layer.

A biochemical analysis cassette comprising:

• a case;
• a first chamber formed in said case;
• a second chamber formed in said case, a gap formed in said case, said first chamber and second chamber being disposed at a respective side of said gap;
• a test tape disposed within said case extending from said first chamber across said gap to said second chamber, said test tape having a plurality of active zones disposed at predetermined spaced intervals along said test tape for testing an analyte, said active zone including a reagent disposed on said test tape at said active zone and wherein said test tape including a support layer and each active zone including at least a first separating member and a second separating member, said first separating member disposed on said support layer across a gap from a second separating member disposed on said support layer;
• and
• a reagent disposed within said gap between said first separating member and said second separating member;
• said cleansing member being disposed between respective adjacent active zones.

A biochemical analysis instrument for multiple fluid analyses includes:

• a housing;
• a sensor for sensing a reaction disposed in said housing;
• an aperture formed in said housing;
• a test tape housing area formed in said housing, said sensor being disposed to selectively move within said housing area, said aperture being formed to provide access to said tape housing area;
• and
• a cassette configured to be received within said tape housing area;
• said cassette including a case, a first chamber formed in said case, a second chamber formed in said case, a gap formed in said case, said first chamber and second chamber being disposed at a respective side of said gap, a test tape disposed within said housing extending from said first chamber across said gap to said second chamber, said test tape having a plurality of active zones disposed at predetermined spaced intervals along said tape for testing an analyte;
• said active zone includes a reagent disposed on said test tape at said active zone;
• and a cleansing member, said cleansing member being disposed between respective adjacent active zones along said test tape.

A biochemical analysis instrument for multiple fluid analyses includes:

• a housing;
• a sensor for sensing a reaction disposed in said housing;
• an aperture formed in said housing;
• a test tape housing area formed in said housing, said sensor being disposed to selectively move within said housing area, said aperture being formed to provide access to said tape housing area;
• a cassette configured to be received within said tape housing area;
• said cassette including a case, a first chamber formed in said case, a second chamber formed in said case, a gap formed in said case, said first chamber and second chamber being disposed at a respective side of said gap, a test tape disposed within said housing extending from said first chamber across said gap to said second chamber, said test tape having a plurality of active zones disposed at predetermined spaced intervals along said tape for testing an analyte, said active zone includes a reagent disposed on said test tape at said active zone;
• and further includes a cleansing member, said cleansing member being disposed between respective adjacent active zones.