Test device
First Claim
1. A test device for testing of analyte concentration in a fluid to be applied thereto, the device comprising:
- a) a plurality of sensors arranged in a stack, each of said sensors carrying reagent means for producing an electrical signal in response to the concentration of analyte in an applied fluid, each of said sensors having a plurality of electrode tracks for transmitting said electrical signal;
b) a housing having an opening therein and containing the said stack of sensors;
c) electrical contacts mounted in relation to the housing for engaging with electrode tracks on a sensor at an engagement location;
d) a meter connected to the said electrical contacts, having electronics means for producing a signal output which is dependent on the electrical signal from a sensor when the sensor is engaged with the said contacts;
e) a transport member rotatably mounted in the opening of the housing, having an axis of rotation which spans the opening and having an outer surface which is provided with a recessed region adapted to receive a single sensor from the stack;
f) spring means within the housing which urge the stack of sensors towards the transport member and which urge a single sensor into the said recess when the recess is suitably aligned adjacent to the stack;
g) sealing means for making a moisture tight seal between the transport member and the stack when the transport member is in a specified rotational position; and
h) wherein rotation of the transport member with a sensor in the recessed region will transport the sensor to the engagement location or to a position where the sensor can be moved to the engagement location, whereby electrode tracks of the sensor can engage with the said electrical contacts.
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Accused Products
Abstract
A test device for testing of analyte concentration in a fluid comprises: a housing (2) having an opening and containing a stack of sensors (16); a transport member (4) rotatably mounted in the opening of the housing, having an axis of rotation which spans the opening; a spring (24) which urges the stack against the transport member; and sealing means (20, 34) for making a moisture tight seal between the transport member and the sensors when the transport member is in a specified rotational position. An outer surface of the transport member has a recessed region (12) which is adapted to receive a single sensor from the stack. Rotation of the transport member with a sensor in the recessed region transports the sensor to a location where it can be connected to a meter (6, 8) and receive a drop of fluid to be tested.
83 Citations
27 Claims
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1. A test device for testing of analyte concentration in a fluid to be applied thereto, the device comprising:
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a) a plurality of sensors arranged in a stack, each of said sensors carrying reagent means for producing an electrical signal in response to the concentration of analyte in an applied fluid, each of said sensors having a plurality of electrode tracks for transmitting said electrical signal;
b) a housing having an opening therein and containing the said stack of sensors;
c) electrical contacts mounted in relation to the housing for engaging with electrode tracks on a sensor at an engagement location;
d) a meter connected to the said electrical contacts, having electronics means for producing a signal output which is dependent on the electrical signal from a sensor when the sensor is engaged with the said contacts;
e) a transport member rotatably mounted in the opening of the housing, having an axis of rotation which spans the opening and having an outer surface which is provided with a recessed region adapted to receive a single sensor from the stack;
f) spring means within the housing which urge the stack of sensors towards the transport member and which urge a single sensor into the said recess when the recess is suitably aligned adjacent to the stack;
g) sealing means for making a moisture tight seal between the transport member and the stack when the transport member is in a specified rotational position; and
h) wherein rotation of the transport member with a sensor in the recessed region will transport the sensor to the engagement location or to a position where the sensor can be moved to the engagement location, whereby electrode tracks of the sensor can engage with the said electrical contacts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 19, 20, 22, 23, 24, 25, 27)
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17. A test device for testing of analyte concentration in a fluid to be applied thereto, comprising:
- a housing containing a stack of test strips and having an opening therein;
a transport member rotatably mounted in the opening of the housing, having an axis of rotation which spans the opening;
the transport member having a recessed region adapted to receive a single test strip;
a meter; and
spring means which urge the stack towards the transport member;
wherein rotation of the transport member with a test strip in the recessed region thereof will bring the said test strip to an engagement location at which the test strip engaged with electrical contacts of the meter and at which the test strip will be accessible to permit a user to apply a drop of fluid thereto. - View Dependent Claims (18)
- a housing containing a stack of test strips and having an opening therein;
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21. A test device for testing of analyte concentration in a fluid to be applied thereto, the device comprising:
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a) a plurality of sensors arranged in a stack, each of said sensors carrying reagent means for producing an electrical signal in response to the concentration of analyte in an applied fluid, each of said sensors having a plurality of electrode tracks for transmitting said electrical signal;
b) a housing having an opening therein and containing the said stack of sensors;
c) electrical contacts mounted in relation to the housing for engaging with electrode tracks on a sensor at an engagement location;
d) a meter connected to the said electrical contacts, having electronics means for producing a signal output which is dependent on the electrical signal from a sensor when the sensor is engaged with the said contacts;
e) a transport member rotatably mounted in the opening of the housing, having an outer surface which is provided with a recessed region adapted to receive a single sensor from the stack;
f) spring means within the housing which urge the stack of sensors towards the transport member in a direction substantially perpendicular to a plane containing the axis of rotation of the transport member, and which urge a single sensor into the said recess when the recess is suitably aligned adjacent to the stack;
g) sealing means for making a moisture tight seal between the transport member and the stack when the transport member is in a specified rotational position; and
h) wherein rotation of the transport member with a sensor in the recessed region will transport the sensor to the engagement location or to a position where the sensor can be moved to the engagement location, whereby electrode tracks of the sensor can engage with the said electrical contacts.
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26. A test device for testing of analyte concentration in a fluid to be applied thereto, comprising:
- a housing containing a stack of test strips and having an opening therein;
a transport member rotatably mounted in the opening of the housing;
the transport member having a recessed region adapted to receive a single test strip;
a meter; and
spring means which urge the stack towards the transport member;
wherein rotation of the transport member with a test strip in the recessed region thereof will bring the said test strip to an engagement location at which the test strip is engaged with electrical contacts of the meter and at which the test strip will be accessible to permit a user to apply a drop of fluid thereto or to a position from which the sensor can be moved to the engagement location;
wherein load means are provided between the transport member and a housing thereof, for applying a compressive load to a sensor during at least a part of the time when the said sensor is located in the recessed region of the transport member.
- a housing containing a stack of test strips and having an opening therein;
Specification