COMPONENT MEASURING APPARATUS

• US 20100317092A1
• Filed: 01/08/2008
• Published: 12/16/2010
• Est. Priority Date: 01/19/2007
• Status: Active Grant

• Current Assignee: Hosiden Corporation, Terumo Kabushiki Kaisha
• Original Assignee: Hosiden Corporation, Terumo Kabushiki Kaisha
• Inventors: Suzuki, Yoshiro, Yamamoto, Yasuhiro, Arita, Eiji, Ishizu, Masakazu, Nagasawa, Yasushi
• Granted Patent: US 8,206,649 B2
• Time in Patent Office: Days
• US Class Current: 435/287.1
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• 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 5/150343 Collection vessels for collecting blood samples from the skin surface, e.g. test tubes, cuvettes sampling from within body cavities A61B5/150015, A61B5/150045
• 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 5/157 Devices characterised by integrated means for measuring characteristics of blood
• CPC Class Codes: Y10T 436/11 Automated chemical analysis

Abstract

A component measuring apparatus is provided with a case having a cylindrical case main body and a cover arranged to cover the base end opening section of the case main body; a chip mounting section for mounting a chip; a light measuring section for detecting a prescribed component; a printed board whereupon a control section having a function of controlling the operation of the light measuring section is arranged; a liquid crystal display device; a battery arranging section for arranging a battery provided on the cover; an O-ring arranged between the case main body and the light measuring section on the leading end section of the case main body; and an O-ring arranged between the case main body and the cover on the base end opening section of the case main body. Sealing of inside the case is ensured by the O-ring.

Claims

1-18. -18. (canceled)

19. A component measuring apparatus for measuring a quantity and/or quality of a predetermined component in a specimen, comprising:

a case including a tubular case body having a distal-end opening and a window;

a detector for detecting the predetermined component, the detector being disposed in the distal-end opening of the case body and having at least a portion positioned inside the case body and a remaining portion projecting from the case body through the distal-end opening;

a sampling device mounting part disposed on a distal-end portion of the detector and projecting outwardly from the detector for detachably mounting thereon a sampling device for sampling the specimen;

a controller electrically connected to the detector to control operation of the detector, the controller including a measuring unit for measuring the predetermined component;

a display operable to display a measurement result measured by the measuring unit, the display being positioned to allow the measurement result displayed on the display to be visually observed through the window;

a cell mounting part for mounting a cell for supplying electric power to at least the controller;

first hermetic sealing means disposed in the distal-end opening between the case and the detector for hermetically sealing; and

an ejector member for removing the sampling device mounted on the sampling device mounting part from the sampling device mounting part, the ejector member being disposed outside of the detector and supported movably along axial directions of the case body.

20. A component measuring apparatus according to claim 19, wherein the case has an inner case in which is housed the controller and supporting at least the detector and the display.

21. A component measuring apparatus according to claim 19, wherein a distal-end cover member for guiding the ejector member for movement is disposed on the distal end portion of the case body.

22. A component measuring apparatus according to claim 21, wherein the ejector member has an abutment for abutting against the sampling device;

and

the distal-end cover member has a through hole in which is positioned the abutment.

23. A component measuring apparatus according to claim 21, wherein the distal-end cover member has a through hole in which is positioned at least the sampling device mounting part.

24. A component measuring apparatus according to claim 19, further comprising a switch electrically connected to the controller, and wherein the case body has a through hole in which is positioned a portion of the switch, the through hole being hermetically sealed by an elastic member.

25. A component measuring apparatus according to claim 24, wherein the elastic member is integrally formed with the case body by multicolor molding.

26. A component measuring apparatus according to claim 19, wherein the first hermetic sealing means comprises a first annular member disposed on an outer circumferential portion of the detector and made of an elastic material.

27. A component measuring apparatus according to claim 19, wherein the portion of the detector projecting from the case body has a projection projecting outwardly substantially perpendicularly to an axial direction of the case body, and further comprising a fitting member holding the first hermetic sealing means in increased close contact with the case body and the detector, the fitting member being fitted between the projection and the distal end of the case body.

28. A component measuring apparatus according to claim 19, further comprising:

a proximal-end opening disposed on the case body;

a lid covering the proximal-end opening of the case body; and

second hermetic sealing means disposed in the proximal-between the case body and the lid for hermetically sealing;

wherein a housing space is defined by the case body, the lid and the detector, the controller, the display and the cell mounting part being housed in the housing space, and the housing space being hermetically sealed by the first hermetic sealing means and the second hermetic sealing means.

29. A component measuring apparatus according to claim 28, wherein the lid has a fitting portion fitting in the proximal-end opening of the case body, and the second hermetic sealing means comprises a second annular member disposed on an outer circumferential portion of the fitting portion and made of an elastic material.

30. A component measuring apparatus according to claim 28, wherein the cell mounting part is integrally formed with or coupled to the lid.

31. A component measuring apparatus according to claim 19, wherein the case body has an inspection through hole for inspecting the hermetic sealing of the component measuring apparatus, the inspection through hole being sealed by a sealing member.

32. A component measuring apparatus according to claim 31, wherein the inspection through hole is connectable to an inspecting device for inspecting the hermetic sealing of the component measuring apparatus.

33. A component measuring apparatus for measuring a quantity of a predetermined component in a body fluid, comprising;

a case including a tubular case body having a distal-end opening and a window;

a detector for detecting the predetermined component. the detector being disposed in the distal-end opening of the case body and having at least a portion positioned inside the case body and having a remaining portion projecting from the case body through the distal-end opening;

a tip mounting part disposed on a distal-end portion of the detector and projecting outwardly from the detector for detachably mounting thereon a component measuring tip for sampling the body fluid;

a measuring unit for calculating a value of the predetermined component from a signal detected by the detector;

a display operable to display the value of the predetermined component calculated by the measuring unit, the display being positioned to allow the value of the predetermined component displayed on the display to be visually observed through the window;

a cell mounting part for mounting a cell serving as a power supply of the component measuring apparatus;

first hermetic sealing means disposed in the distal-end opening between the case and the detector for hermetically sealing; and

an ejector member for removing the sampling device mounted on the sampling device mounting part from the sampling device mounting part, the ejector member being disposed outside of the detector and supported movably along axial directions of the case body.