Eletrochemical sensing device

• US 20050115831A1
• Filed: 11/04/2004
• Published: 06/02/2005
• Est. Priority Date: 11/05/2003
• Status: Abandoned Application

• Current Assignee: Bionime Corporation
• Original Assignee: Bionime Corporation
• Inventors: Huang, Chun-Mu
• Application Number:
  US10/981,250
• Publication Number:
  US 20050115831A1
• Time in Patent Office: Days
• US Class Current: 204/403.20
• CPC Class Codes: G01N 33/48785 Electrical and electronic details of measuring devices for physical analysis of liquid biological material not specific to a particular test method, e.g. user interface or power supply

Abstract

An electrochemical sensing device is provided. The electrochemical sensing device includes a main body having a connecting slot, a testing holder having a detachable connection to the connecting slot and having a storage component, and an electrochemical sensing strip detachably combined with the testing holder for analyzing a sample.

Claims

1. An electrochemical sensing device, comprising:

a main body having a connecting slot;

a testing holder having a detachable connection to said connecting slot; and

an electrochemical sensing strip detachably combined with said testing holder for analyzing a sample.

2. The electrochemical sensing device according to claim 1, wherein said main body further comprises a display and a control key.

3. The electrochemical sensing device according to claim 1, wherein said testing holder is a disposable testing holder.

4. The electrochemical sensing device according to claim 1, wherein said testing holder further comprises a storage component for storing a correction information.

5. The electrochemical sensing device according to claim 4, wherein said connecting slot further comprises a plurality of signal contacts.

6. The electrochemical sensing device according to claim 5, wherein said correction information is transmitted to said main body via said plurality of signal contacts when said testing holder is combined with said connecting slot.

7. The electrochemical sensing device according to claim 4, wherein said electrochemical sensing strip comprises at least an insulating substrate having a reaction concavity and an opening located thereon, an electrochemical reaction layer located in said reaction concavity, and an electrode device located in said reaction concavity for transmitting a signal resulting from an electrochemical reaction performed in said electrochemical reaction layer.

8. The electrochemical sensing device according to claim 7, wherein said reaction concavity comprises at least a hole.

9. The electrochemical sensing device according to claim 8, wherein said electrode device passes through said hole.

10. The electrochemical sensing device according to claim 7, wherein said electrode device comprises plural electrodes selected from a group consisting of a counter electrode, a working electrode, a reference electrode and a detecting electrode.

11. The electrochemical sensing device according to claim 10, wherein said plural electrodes are connected to said signal contacts for transmitting said signal when said testing holder is combined with said connecting slot and said electrochemical sensing strip is combined with said testing holder.

12. The electrochemical sensing device according to claim 10, wherein each of said plural electrodes comprises a metal and a thin film.

13. The electrochemical sensing device according to claim 12, wherein said metal is one selected from a group consisting of a copper, a titanium, a nickel, a gold, a platinum, a rhodium, a palladium, a ruthenium, a silver, a chromium, an iron, an aluminum, an iridium and an alloy thereof.

14. The electrochemical sensing device according to claim 12, wherein said thin film is made of a material selected from a group consisting of a copper, a titanium, a nickel, a gold, a platinum, a rhodium, a palladium, a ruthenium, a silver, a chromium, an iron, an aluminum, an iridium and an alloy thereof.

15. The electrochemical sensing device according to claim 10, wherein each of said plural electrodes comprises a carbon body and a thin film.

16. The electrochemical sensing device according to claim 7, wherein said electrochemical reaction layer further comprises a chemical agent for reacting with an analyte of said sample to generate said signal.

17. The electrochemical sensing device according to claim 16, wherein said sample is added into said reaction concavity via said opening.

18. An electrochemical sensor, comprising:

a main body having a detachable testing device; and

an electrochemical sensing strip detachably combined with said detachable testing holder for analyzing a sample.

19. The electrochemical sensor according to claim 18, wherein said detachable testing device comprises a base having plural signal contacts and a disposable testing holder.

20. The electrochemical sensor according to claim 19, wherein said detachable testing device is connected to a storage component storing a correction information.

21. The electrochemical sensor according to claim 20, wherein said correction information is transmitted to said main body via said plural signal contacts when said detachable testing device is combined with said main body.

22. The electrochemical sensor according to claim 20, wherein said electrochemical sensing strip comprises at least an insulating substrate having a reaction concavity and an opening located thereon, an electrochemical reaction layer located in said reaction concavity, and an electrode device located in said reaction concavity for transmitting a signal resulting from an electrochemical reaction performed in said electrochemical reaction layer.

23. The electrochemical sensor according to claim 22, wherein said reaction concavity comprises at least a hole.

24. The electrochemical sensor according to claim 23, wherein said electrode device passes through said hole.

25. The electrochemical sensor according to claim 22, wherein said electrode device comprises plural electrodes selected from a group consisting of a counter electrode, a working electrode, a reference electrode and a detecting electrode.

26. The electrochemical sensor according to claim 25, wherein said plural electrodes are connected to said signal contacts for transmitting said signal when said detachable testing device is combined with said connecting slot and said electrochemical sensing strip is combined with said main body.

27. The electrochemical sensor according to claim 25, wherein each of said plural electrodes comprises a metal and a thin film.

28. The electrochemical sensor according to claim 27, wherein said thin film is made of a material selected from a group consisting of a copper, a titanium, a nickel, a gold, a platinum, a rhodium, a palladium, a ruthenium, a silver, a chromium, an iron, an aluminum, an iridium and an alloy thereof.

29. The electrochemical sensor according to claim 25, wherein each of said plural electrodes comprises a carbon body and a thin film.

30. The electrochemical sensor according to claim 22, wherein said electrochemical reaction layer further comprises a chemical agent for reacting with an analyte of said sample to generate said signal.

31. The electrochemical sensor according to claim 30, wherein said sample is added into said reaction concavity via said opening.

32. A portable electrochemical sensing device, comprising:

a main body having a connecting slot; and

a testing holder having a detachable connection to said connecting slot.