BLOOD INSPECTION DEVICE

• US 20100030037A1
• Filed: 01/16/2008
• Published: 02/04/2010
• Est. Priority Date: 01/17/2007
• Status: Active Grant

• Current Assignee: PHC Holdings Corporation
• Original Assignee: Panasonic Corporation (Panasonic Holdings Corporation)
• Inventors: Akiyama, Toshihiro, Matsumoto, Toshiki
• Granted Patent: US 8,437,828 B2
• Time in Patent Office: Days
• US Class Current: 600/309
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/14535 for measuring haematocrit
• CPC Class Codes: A61B 5/1455 using optical sensors, e.g. spectral photometrical oximeters
• CPC Class Codes: A61B 5/150022 for capillary blood or interstitial fluid
• CPC Class Codes: A61B 5/150099 by negative pressure, other than vacuum extraction into a syringe by pulling on the piston rod or into pre-evacuated tubes
• CPC Class Codes: A61B 5/150213 Venting means
• CPC Class Codes: A61B 5/150358 Strips for collecting blood, e.g. absorbent optical reagent test strips G01N21/8483; chemical reagent test strips G01N33/4875, G01N33/52
• CPC Class Codes: A61B 5/150824 by visual feedback
• CPC Class Codes: A61B 5/150954 Means for the detection of operative contact with patient, e.g. by temperature sensitive sensor
• CPC Class Codes: A61B 5/15113 Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
• CPC Class Codes: A61B 5/15138 provided with means to ensure the protection of the user, e.g. to avoid laser light entering the eyes of a user
• CPC Class Codes: A61B 5/157 Devices characterised by integrated means for measuring characteristics of blood

Abstract

A blood inspection device capable of separately discharging a sensor and a filter by using single discharge means. The blood inspection device has a housing (12) provided with a circular hollow cylindrical body (12b) having an opening (12a). A filter unit (13) including a filter (21) is provided inside the cylindrical body (12b), and a sensor unit (14) including a sensor (22) is provided outside the cylindrical body (12b). A body (15a) of the discharge means (15) is slidable outside the cylindrical body (12b). A first discharge section (15b) of the discharge means (15) comes into contact with the sensor unit (14) to push out and discharge it. A second discharge section (15c) of the discharge means (15) comes into contact with the filter unit (13) to push out and discharge it.

Claims

1. A blood test apparatus comprising:

a housing that comprises an open cylindrical body of a cylindrical shape;

a sensor unit that includes a blood sensor which analyzes blood and that is detachably attached to the open cylindrical body;

a filter unit that includes a filter which protects an interior of the housing and that is detachably attached to the open cylindrical body; and

ejecting means that are attached slidably to the open cylindrical body, that move the sensor unit toward an opening side of the open cylindrical body to push out and eject the sensor unit from the housing and that further move the filter unit toward the opening side of the open cylindrical body to push out and eject the filter unit from the housing.

2. The blood test apparatus according to claim 1, wherein the ejecting means are formed integrally.

3. The blood test apparatus according to claim 1, wherein:

the housing accommodates inside a laser emitting apparatus that radiates laser light on skin through an interior of the open cylindrical body and punctures the skin;

the filter unit is arranged between the laser emitting apparatus and the sensor unit; and

the filter allows the laser light to pass.

4. The blood test apparatus according to claim 1, wherein:

the housing accommodates inside an optical reading section that radiates light on skin through an interior of the open cylindrical body and detects an amount of received reflected light;

the filter unit is arranged between the optical reading section and the sensor unit; and

the filter allows the light to pass.

5. The blood test apparatus according to claim 1, wherein:

the housing accommodates inside;

a laser emitting apparatus that radiates laser light on skin through an interior of the open cylindrical body and punctures the skin; and

an optical reading section that radiates light on the skin through the interior of the open cylindrical body and detects an amount of received reflected light;

the filter unit is arranged between the laser emitting apparatus, the optical reading section and the sensor unit; and

the filter allows the laser light and the light to pass.

6. The blood test apparatus according to claim 1, wherein the open cylindrical body locks the ejecting means at a time after the sensor unit is ejected and before the filter unit is ejected.

7. The blood test apparatus according to claim 2, wherein only the sensor unit can be replaced while the filter unit is kept attached.

8. The blood test apparatus according to claim 1, wherein the ejecting means comprise more than one ejecting parts.

9. The blood test apparatus according to claim 8, wherein:

the sensor unit comprises a first holder that holds the blood sensor;

the filter unit comprises a second holder that holds the filter; and

the ejecting means comprise;

a first ejecting section that abuts on the first holder to push out the sensor unit; and

a second ejecting part that abuts on the second holder to push out the filter unit.

10. The blood test apparatus according to claim 1, wherein the open cylindrical body comprises more than one locking parts.

11. The blood test apparatus according to claim 10, wherein the open cylindrical body locks the sensor unit by means of a first locking part provided in an outer peripheral surface of the open cylindrical body and locks the filter unit by means of a second locking part provided in an inner peripheral surface of the open cylindrical body.

12. The blood test apparatus according to claim 11, wherein the ejecting means comprise:

a first lock part that is locked in the first locking part in a state where the sensor unit is ejected; and

a second lock part that is locked in the second locking part in a state where the filter unit is ejected.

13. The blood test apparatus according to claim 1, further comprising:

a connector that is provided in a front end of the open cylindrical body and that contacts a connection electrode of the blood sensor when the sensor unit is attached to the housing; and

an electrical circuit section that connects with the connector and measures components of bodily fluid.

14. The blood test apparatus according to claim 13, wherein the ejecting means comprise a cover part that projects from the connector in a state where the sensor unit is ejected.

15. The blood test apparatus according to claim 14, wherein the cover part has a tapered shape.

16. The blood test apparatus according to claim 1, wherein:

the sensor unit comprises a first holder that holds the blood sensor; and

the open cylindrical body comprises a guide part to meet the first holder in a part in which the sensor unit is attached.

17. The blood test apparatus according to claim 1, wherein:

the sensor unit comprises a first holder that holds the blood sensor;

the filter unit comprises a second holder that holds the filter; and

the first holder and the second holder are made of transparent members.

18. The blood test apparatus according to claim 1, wherein:

the sensor unit comprises a first holder that holds the blood sensor;

the filter unit comprises a second holder that holds the filter; and

the first holder and the second holder have a cylindrical shape having a cross section which is one of a circle, oval and polygon.

19. The blood test apparatus according to claim 1, wherein:

the sensor unit comprises a first holder that holds the blood sensor; and

the first holder is water repellant.

20. The blood test apparatus according to claim 1, wherein:

the sensor unit comprises a first holder that holds the blood sensor; and

the first holder comprises openings of different diameters on both ends.

21. The blood test apparatus according to claim 1, wherein:

an external shape of the blood sensor is one of a circle and a regular polygon; and

a reference electrode is provided in addition to a detection electrode for an electrode formed in the blood sensor.

22. The blood test apparatus according to claim 1, wherein the sensor unit comprises a skin detecting sensor that detects skin.

23. The blood test apparatus according to claim 1, wherein:

the sensor unit comprises a first holder that holds the blood sensor;

a skin detecting sensor that detects skin is provided with the first holder; and

the blood test apparatus comprises a vacuuming means that applies a negative pressure from the senor unit to the skin to puncture and that, when the skin detecting sensor detects contact with the skin, starts a vacuuming operation.

24. The blood test apparatus according to claim 23, wherein the vacuuming means finishes the vacuuming operation when an inflow of blood is detected.

25. A filter unit that allows light to pass and protects an interior of the blood test apparatus from dirt and dust,

wherein the filter unit can be attached to one of:

a blood test apparatus that comprises;

a housing that comprises an open cylindrical body of a cylindrical shape; and

a blood sensor that is attached to the open cylindrical body,

wherein the housing accommodates inside a laser emitting apparatus that radiates laser light on skin through an interior of the open cylindrical body and punctures the skin;

a blood test apparatus that comprises;

a housing that comprises an open cylindrical body of a cylindrical shape; and

a blood sensor unit that is attached to the open cylindrical body,

wherein the housing accommodates inside an optical reading section that radiates light on skin through an interior of the open cylindrical body and detects an amount of received reflected light; and

a blood test apparatus that comprises;

a housing that comprises an open cylindrical body of a cylindrical shape; and

a blood sensor unit that is attached to the open cylindrical body,

wherein the housing accommodates inside;

the laser emitting apparatus that radiates laser light on skin through an interior of the open cylindrical body and punctures the skin; and

the optical reading section that radiates light on the skin through the interior of the open cylindrical body and detects an amount of the received reflected light.

26. The filter unit according to claim 25, wherein the filter unit is arranged opposite to the skin across the blood sensor attached to the open cylindrical body.

27. A filter unit that allows light to pass and protects and an interior of a blood test apparatus from dirt and dust comprising:

a filter that protects the interior of the blood test apparatus from the dirt and the dust;

a second holder that holds the filter,

wherein the filter unit can be attached to one of;

a blood test apparatus that comprises;

a housing that comprises an open cylindrical body of a cylindrical shape;

a sensor unit that comprises a blood sensor which analyzes blood and a first holder which holds the blood sensor and that is detachably attached to the open cylindrical body; and

an electrical circuit section that is connected to the blood sensor of the sensor unit,

wherein the housing accommodates inside a laser emitting apparatus that radiates laser light on skin through an interior of the open cylindrical body and punctures the skin;

a blood test apparatus that comprises;

a housing that comprises an open cylindrical body of a cylindrical shape; and

a sensor unit that comprises a blood sensor which analyzes blood and a first holder which holds the blood sensor and that is detachably attached to the open cylindrical body,

wherein the housing accommodates inside an optical reading section that radiates light on skin through the interior of the open cylindrical body and detects an amount of received reflected light; and

a blood test apparatus that comprises;

a housing that comprises an open cylindrical body of a cylindrical shape;

a sensor unit that comprises a blood sensor which analyzes blood and a first holder which holds the blood sensor and that is detachably attached to the open cylindrical body; and

an electrical circuit section that is connected to the blood sensor of the sensor unit,

wherein the housing accommodates inside;

a laser emitting apparatus that radiates laser light on skin through an interior of the open cylindrical body and punctures the skin; and

an optical reading section that radiates light on the skin through the interior of the open cylindrical body and detects an amount of received reflected light.

28. The filter unit according to claim 27, wherein the filter unit is arranged opposite to the skin across the sensor unit attached detachably to the open cylindrical body.

29. The filter unit according to claim 27, wherein the filter and the second holder of the filter unit are formed integrally.