Electrochemical sensor and method thereof
First Claim
1. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between at least two electrically conductive electrodes, comprising:
- at least two spaced apart electrically conductive electrodes;
a unitary body of one piece molded plastic insulative material with two ends housing the electrodes with a hinge constructed in the body permitting the pivoting and connecting of a portion of the body onto itself;
means for connecting the meter to the body;
means for receiving a fluid sample at one end of the body; and
, one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the fluid sample.
5 Assignments
0 Petitions
Accused Products
Abstract
A sensor (10,110) is provided for determination of various concentrations of one or more components within a fluid sample. The sensor (10,110) includes an injection molded body (12,112), at least two electrodes (30,31,32,130,131,132), an enzyme (57,157), and, if desired, an electron transfer mediator. The body includes a reaction zone (24,124) for receiving a fluid sample. The electrodes (30,31,32,130,131,132) are at least partially embedded with in the plastic body (12,112) and extend into the reaction zone (24,124). Also contained within the reaction zone is an enzyme (57,157) capable of catalyzing a reaction involving a compound within the fluid sample.
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Citations
47 Claims
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1. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between at least two electrically conductive electrodes, comprising:
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at least two spaced apart electrically conductive electrodes;
a unitary body of one piece molded plastic insulative material with two ends housing the electrodes with a hinge constructed in the body permitting the pivoting and connecting of a portion of the body onto itself;
means for connecting the meter to the body;
means for receiving a fluid sample at one end of the body; and
,one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the fluid sample. - View Dependent Claims (2, 3, 4)
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5. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between at least two electrically conductive electrodes, comprising:
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at least two spaced apart electrically conductive electrodes;
a unitary single piece body of molded plastic insulative material with two ends housing the electrodes with the electrodes molded into and at least partially encased by the plastic;
means for connecting the meter to the body;
means for receiving a liquid sample at one end of the body; and
,one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the liquid sample. - View Dependent Claims (6, 7)
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8. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between at least two electrically conductive electrodes, comprising:
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at least two spaced apart electrically conductive electrodes;
a unitary single piece body of insulative material with two ends and encasing a part of the electrodes;
means for connecting the meter to the body;
a capillary inlet adapted to draw the fluid sample into the body upon contact with the fluid sample at one end of the body; and
,one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the fluid sample. - View Dependent Claims (9, 10, 11)
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12. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between at least two electrically conductive electrodes, comprising:
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at least two spaced apart electrically conductive wires;
a unitary single piece body of insulative material with two ends and encasing a part of the conductive wires;
means for connecting the meter to the body;
means for receiving a liquid sample at one end of the body; and
,one or more substances on at least one of the conductive wires to change the electrical properties between the wires upon contact with the liquid sample. - View Dependent Claims (13)
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14. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between at least two electrically conductive electrodes, comprising:
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at least two spaced apart electrically conductive electrodes formed from a conductive plate;
a unitary single piece body of insulative material with two ends and encasing a part of the electrodes;
means for connecting the meter to the body;
means for receiving a liquid sample at one end of the body; and
,one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the liquid sample. - View Dependent Claims (15)
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16. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between electrically conductive electrodes, comprising:
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three spaced apart electrically conductive electrodes;
a body of insulative material with two ends housing the electrodes, the body composed of two pieces, a body and an end cap, attached to one another with each piece being made of molded plastic;
means for connecting a meter to the body;
means for receiving a fluid sample at one end of the body; and
,one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the fluid sample.
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17. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between electrically conductive electrodes, comprising:
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three spaced apart electrically conductive electrodes;
a body of insulative material with two ends housing the electrodes and a hinge constructed in the body permitting the pivoting arid connecting of a portion of the body onto itself with at least one protuberance formed in a portion of the body located on one side of the hinge and at least one trough formed in a portion of the body located on the other side of the hinge for mating with the at least one protuberance when the one side is folded onto the other side about the hinge;
means for connecting a meter to the body;
means for receiving a fluid sample at one end of the body; and
,one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the fluid sample. - View Dependent Claims (18)
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19. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between electrically conductive electrodes, comprising:
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three spaced apart electrically conductive electrodes;
a unitary single piece body of molded plastic insulative material with two ends housing the electrodes, a part of the electrodes partially encased and molded into the plastic;
means for connecting a meter to the body;
means for receiving a liquid sample at one end of the body; and
,one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the liquid sample. - View Dependent Claims (20, 21)
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22. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between electrically conductive electrodes, comprising:
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three spaced apart electrically conductive electrodes;
a unitary single piece body of insulative material with two ends and encasing at least a part of the electrodes;
means for connecting a meter to the body;
a capillary inlet adapted to draw the fluid sample into the body upon contact with the fluid sample; and
,one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the fluid sample. - View Dependent Claims (23)
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24. An electrochemical device for cooperating with an electronic meter capable of measuring electrical properties between electrically conductive electrodes, comprising:
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three spaced apart electrically conductive electrodes, the electrodes being one of either conductive wires or formed from a conductive plate;
a unitary single piece body of insulative material with two ends and encasing at least part of the electrodes;
means for connecting a meter to the body;
means for receiving a liquid sample at one end of the body; and
,one or more substances on at least one of the electrodes to change the electrical properties between the electrodes upon contact with the liquid sample.
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25. An electrochemical device for measuring an analyte by cooperating with an electronic meter capable of measuring the electrical properties between at least two electrically conductive electrodes, comprising:
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at least two spaced apart electrically conductive electrodes;
a unitary, single piece molded plastic body with two ends housing the electrodes and encasing at least a part of the electrodes molded therein;
a plug formed at one end of the body exposing the electrodes outside the body for connecting the meter to the body;
a capillary inlet adapted to draw the fluid sample into the body upon contact with the fluid sample at the other end of the body;
one or more substances on at least one of the electrodes to change the electrical properties of the treated electrodes upon contact with the fluid sample. - View Dependent Claims (26, 27, 28, 29, 30, 31)
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32. A sensor comprising:
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a body having an end for cooperating with a meter and an end for receiving a fluid sample;
a plurality of electrically conductive leads with at least a part thereof encased by the body and with at least one lead extending into the end for receiving the fluid sample and at least one of the leads being a wire conductor; and
,an enzyme on the at least one lead. - View Dependent Claims (33, 34)
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35. A sensor comprising:
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a body having an end for cooperating with a meter and an end for receiving a fluid sample;
a plurality of electrically conductive leads with a part thereof encased by the body and with at least one lead extending into the end for receiving the fluid sample and at least one of the leads being a stamped conductive metal member; and
,an enzyme on the at least one lead. - View Dependent Claims (36, 37, 38)
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39. A sensor comprising:
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an injection molded plastic body having an attachment end and a fluid sample receiving cavity;
a plurality of electrically conductive leads with at least a part thereof encased by the body and with at least one lead extending from the attachment end to the fluid sample receiving cavity and at least one of the leads being a wire conductor; and
,an enzyme within the fluid sample receiving cavity. - View Dependent Claims (40, 41, 42)
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43. A sensor comprising:
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an injection molded plastic body having an attachment end and a fluid sample receiving cavity;
a plurality of electrically conductive leads with at least a part thereof encased by the body and with at least one lead extending from the attachment end to the fluid sample receiving cavity and at least one of the leads being a stamped conductive metal member; and
,an enzyme within the fluid sample receiving cavity. - View Dependent Claims (44, 45)
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46. A sensor for analyzing a fluid sample comprising:
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an injection molded body having an attachment end and a sample receiving cavity;
a plurality of electrically conductive leads extending between the attachment end of the body and the sample receiving cavity and being at least partially embedded within the body and at least partially exposed at the attachment end of the molded body and with at least one of the leads extending into the sample receiving cavity, the leads extending into the sample receiving cavity being electrically isolated from the rest of the sensor by the molded plastic, with at least two of the leads including different metals and with at least two of the leads being different sizes;
a plurality of guides molded within the body with at least one of the guides abutting against at least one of the leads; and
,a compound within the sample receiving cavity for analyzing the fluid sample, the compound being one of an enzyme, an antibody or a reactive chemical. - View Dependent Claims (47)
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Specification