JP2003114213A - Measuring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a measuring device capable of removing a sensor from the measuring device without touching the sensor having a sample adhering thereto after sample measurement, and realizing improvement of the operability and prevention of an infectious disease. SOLUTION: This device is equipped with a removing mechanism comprising a slide knob 6 disposed slidably on a measuring device body 2 and a slide lever 5 for pushing out the sensor 1 in cooperation with the slide knob 6. The sensor 1 is removed from the measuring device body 2 by the removing mechanism.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a measuring device, and more particularly to a measuring device for measuring a sample such as body fluid.

[0002]

2. Description of the Related Art Conventionally, a measuring device and a sensor for electrochemically measuring a blood glucose level have been put into practical use as a measuring device for easily analyzing characteristics of body fluid.

FIG. 4 is a view showing a state in which a long and small strip-shaped sensor 1 for collecting blood is set in a measuring device 20. The sensor 1 shown in FIG.
A cavity (not shown) for collecting blood is provided.
The cavity is provided with a reagent layer containing an enzyme, an electron carrier and the like, and an electrode.

The measuring device 20 internally has an electric circuit for measuring a current value generated by a reaction between glucose in blood and a reagent layer according to the glucose concentration in blood by applying a voltage to an electrode of the sensor 1. The blood glucose level is calculated based on the measured current value, and the blood glucose level is displayed on the display 30.

When the measurement is completed, the sensor 1 is taken out from the measuring device 20 with a finger and the sensor 1 is discarded.
In this way, the blood glucose level is measured by the measuring device 20.

[0006]

In the measurement by the conventional measuring device 20, the patient first inserts the sensor 1 into the connector 40 of the measuring device 20, and then punctures the skin called a lancet device to obtain body fluid. Puncture operation is performed, and the body fluid is spotted on the sensor 1 for measurement. Then, after the measurement is completed, the sensor 1 to which the body fluid is attached is removed with a finger, a new sensor 1 is inserted, and the measurement is performed again.

As described above, the patient, the attendant of the patient, or the person involved in the hospital has to insert and remove the sensor with his / her finger every time the measurement is performed, which is troublesome and the sensor to which the body fluid adheres. There was a problem that touching the skin could cause an infectious disease.

The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a measuring device capable of discharging from a measuring device without touching a sensor on which a sample such as body fluid is spotted with a finger. To aim.

[0009]

In order to achieve the above object, a measuring device according to the present invention is a measuring device equipped with a sensor on which a sample is spotted and which measures the sample. It is provided with a discharging mechanism for discharging from the measuring device.

Further, in the measuring device according to the present invention, in the measuring device, the discharge mechanism is responsive to the slide member slidably arranged with respect to the measuring device and the slide member to push out the sensor. And an extruding member for

The measuring device according to the present invention is the measuring device described above, wherein the measuring device has an electrode terminal that comes into contact with the mounted sensor, and the extruding member does not touch the electrode terminal. It is characterized in that the sensor is extruded.

Further, the measuring apparatus according to the present invention further comprises an urging member for urging the slide member or the pushing member in a direction opposite to the discharging direction of the sensor by the discharging mechanism. It is a thing.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. (Embodiment 1) FIG. 1 is an exploded perspective view (a) and an assembled sectional view (b) showing a measuring apparatus according to Embodiment 1 of the present invention. In FIG. 1 (a), 1 is a thin strip-shaped sensor, and 10 is a measuring device for measuring a sample such as body fluid spotted on the sensor 1.

In the measuring device 10, the boss 2a of the measuring device body 2 and the boss 5a of the slide lever 5 are fitted together, and the claws 6a (three places) of the slide knob 6 are fitted in the long holes 2b of the measuring device body 2. It is passed through and fitted into the square hole portion 5b of the slide lever 5. The slide knob 6 is slidable with respect to the measuring device body 2.

The board 7 has a connector 4,
Notch 7a of board 7 and notch 4a of connector 4
Further, the substrate 7 and the measuring device main body 2 are combined so that the sensor discharging protrusion 5c of the slide lever 5 is inserted, and the substrate 7 is fastened to the measuring device main body 2 with a screw or the like. The protrusion 5c is slidable in the longitudinal direction of the cutout 7a.

Since the square hole 5b of the slide lever 5 and the claw 6a of the slide knob 6 are fitted together, the slide lever 5 slides in response to the slide knob 6.

FIG. 1B is a sectional view of the measuring device 10 in which the slide knob 6, the measuring device main body 2, the slide lever 5, and the substrate 7 shown in FIG. The discharging operation of the sensor 1 will be described with reference to FIG.

After the sensor 1 is attached to the measuring device 10 and the body fluid or the like is measured, to eject the sensor 1, first slide the slide knob 6 with a finger in the direction of the arrow in FIG. 1 (b). Let Then, the slide lever 5 responds to the slide knob 6 and also slides in the direction of the arrow, and the protrusion 5c of the slide lever 5 connects the sensor 1 to the connector 4
Then, the sensor 1 is ejected from the measuring device main body 2.

Here, the slide lever 5 is a resin spring 5d.
Therefore, when the slide knob 6 is slid to eject the sensor 1, the resin spring 5d
A force acts on the slide lever 5 in the direction opposite to the discharging direction of the sensor 1.

As described above, according to the measuring device 10 of the first embodiment, the slide knob 6 slidably arranged with respect to the measuring device main body 2 and the slide knob 6 respond to each other to push out the sensor 1. Since the ejecting mechanism including the slide lever 5 for rotating the sensor 1 is provided, the sensor 1 can be ejected without removing the sensor 1 from the measuring device body 2 with a finger.
The sensor 1 can be discarded without directly contacting the sensor 1. That is, the sensor 1 can be discarded without touching body fluid such as blood attached to the sensor 1, and infection such as illness can be prevented. Further, since the sensor 1 can be discharged by sliding the slide knob 6, the sensor 1 can be easily discharged.

Further, the slide lever 5 has a resin spring 5d.
Therefore, when the sensor 1 is ejected, the slide lever 5
Is to be urged in the direction opposite to the discharge direction of the sensor 1, the discharge of the sensor 1 can be carefully controlled manually, and the sensor 1 can be prevented from jumping out vigorously. It is possible to prevent the spotted body fluid such as blood from adhering to a careless place. Further, after the sensor 1 is discharged, the slide lever 5 becomes the resin spring 5
Since it is returned to the original position by d, the operation of the measuring device 10 can be easily performed.

(Second Embodiment) FIG. 2 is an exploded perspective view (a) and an assembled sectional view (b) showing a measuring apparatus according to a second embodiment of the present invention. The measuring device according to the second embodiment is configured as a pushing member that pushes the sensor 1 according to the first embodiment.
A slider is provided instead of the slide lever 5 of FIG. In FIG. 2A, reference numeral 1 is an elongated small piece sensor, and 10 is a measuring device for measuring a sample such as body fluid spotted on the sensor 1.

In the measuring device 10, the slide knob 6
The slide knob 6 is slidably arranged with respect to the measuring device body 2 by inserting the claws 6a (2 places) into the elongated hole 2b of the measuring device body 2. The slide knob 6 includes a resin spring 6d.

The board 7 is provided with a connector 4,
It is fastened to the measuring device body 2 with screws or the like. The connector 4 has a slider 4b. That slider 4
b is a slider fitting portion 6c of the slide knob 6 through the notch 7a of the board 7 and the notch 4a of the connector 4.
It is fitted with. Therefore, the slider 4b is slidable in the longitudinal direction of the notch 7a in response to the slide knob 6.

FIG. 2B is a sectional view of the measuring device 10 in which the slide knob 6, the measuring device main body 2 and the substrate 7 shown in FIG. 2A are combined. The discharging operation of the sensor 1 will be described with reference to FIG.

After the sensor 1 is mounted on the measuring device 10 and the body fluid or the like is measured, in order to eject the sensor 1, first, the slide knob 6 is slid in the direction of the arrow in FIG. 2 (b) with a finger. Let Then, the slider 4b slides in the same direction as the arrow in response to the slide knob 6, the slider 4b pushes the sensor 1 out of the connector 4, and the sensor 1 is ejected from the measuring device main body 2.

Here, the slide knob 6 is made of a resin spring 6d.
Therefore, when the slide knob 6 is slid to eject the sensor 1, the resin spring 6d
A force acts on the slide knob 6 in the direction opposite to the discharging direction of the sensor 1.

As described above, according to the measuring apparatus 10 according to the second embodiment, the slide knob 6 slidably arranged with respect to the measuring apparatus body 2 and the slide knob 6 are responsive to push out the sensor 1. By providing the discharging mechanism including the slider 4b that operates, the same effect as that of the measuring device according to the first embodiment can be obtained.

(Embodiment 3) FIG. 3 is a front view (a) showing a mounting state in which a sensor of a measuring apparatus according to Embodiment 3 of the present invention is attached to a connector, and a perspective view (b) showing the measuring apparatus. Is. In FIG. 3A, 1 is a sensor, 4 is a connector, 4c is a connector terminal,
Reference numeral 5c is a protrusion for ejecting the sensor of the slide lever.
Note that, in FIG. 3, those having the same functions and configurations as those shown in FIG. 1 according to the first embodiment are designated by the same reference numerals, and description thereof will be omitted.

The connector terminals 4c are several electrodes,
The sensor 1 is in contact with the sensor 1 in order to measure the sample spotted on the sensor 1. The connector terminal 4c is in a position where the protrusion 5c of the slide lever inside the connector 4 does not touch the protrusion 5c even when the protrusion 5c slides.

The position of the sensor 1 shown by the broken line in FIG. 3A is the position when the sensor 1 is ejected by sliding the slide knob 6.

The discharging operation of the sensor 1 will be described with reference to FIG. First, the slide knob 6 is shown in FIG.
Slide it in the direction of the arrow in (b). Then, the sensor 1 is discharged from the measuring device body 2. Note that FIG. 3 (b)
In the above, the slide knob 6 is provided on the surface of the display 30 side.
It may be provided on the bottom side of the.

As described above, according to the measuring apparatus of the third embodiment, when the sensor 1 is ejected by the ejecting mechanism including the slide knob 6 and the slide lever, the protrusion 5c of the slide lever touches the connector terminal 4c. By extruding the sensor 1 without using it, in addition to the effect similar to that of the first embodiment, the connector terminal 4 used when measuring the sample
The effect that the sensor 1 can be discharged without damaging c by the protrusion 5c is obtained.

The third embodiment is different from the first embodiment.
The projection 5c of the slide lever 5 by the connector terminal 4
Although the case where the sensor 1 is pushed out without touching c has been described, the slider 1 according to the second embodiment may push out the sensor 1 without touching the connector terminal 4c, and the same effect can be obtained.

In each of the above embodiments, the case where the resin spring is used as the urging member for urging the slide bar 5 or the slide knob 6 in the direction opposite to the discharging direction of the sensor 1 has been described. As the biasing member, an elastic body such as rubber or metal spring may be used. However, when a resin spring or rubber is used as the urging member, the urging force can be exerted on the slide bar 5 or the slide knob 6 without generating a metallic sound.

[0036]

As is apparent from the above description, according to the measuring device of the present invention, a sensor on which a sample is spotted is mounted and the sample is measured. By providing the discharging mechanism for discharging the sensor from the measuring device, the sensor can be discharged without removing the sensor from the measuring device with a finger, so that the sensor can be discarded without direct contact with the sensor. That is, the sensor can be discarded without touching the sample attached to the sensor, and the effect of preventing infection such as a disease can be obtained. Further, since the sensor can be discharged by sliding the slide member, it is possible to easily discharge the sensor.

Further, according to the measuring device of the present invention, in the measuring device, the discharge mechanism is slidably arranged with respect to the measuring device, and the sensor responds to the slide member. Since it is composed of an extruding member that extrudes, the sensor can be discarded without touching the sample attached to the sensor, and an effect of preventing infection such as a disease can be obtained. Further, since the sensor can be discharged by sliding the slide member, it is possible to easily discharge the sensor.

Further, according to the measuring apparatus of the present invention, in the measuring apparatus, the extruding member is adapted to extrude the sensor without touching the electrode terminal. There is an effect that the sensor can be discharged without being damaged by the pushing member.

Further, according to the measuring apparatus of the present invention, in the measuring apparatus, a biasing member for biasing the slide member or the pushing member in a direction opposite to the discharging direction of the sensor by the discharging mechanism is provided. With further provision, when the sensor is discharged, the slide member or the pushing member is biased in the direction opposite to the sensor discharge direction, and the sensor discharge can be carefully controlled manually. It is possible to prevent the sensor from jumping out vigorously, and to prevent the sample spotted on the sensor from adhering to a careless place. Further, after the sensor is discharged, the slide member is returned to the original position by the biasing member, so that the operation of the measuring device can be easily performed.

[Brief description of drawings]

FIG. 1 is an exploded perspective view (a) and an assembled sectional view (b) showing a measuring apparatus according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view (a) and an assembled sectional view (b) showing a measuring device according to a second embodiment of the present invention.

FIG. 3 is a front view (a) showing an attached state in which a sensor of a measuring device according to a third embodiment of the present invention is attached to a connector;
It is a perspective view (b) which shows and a measuring device.

FIG. 4 is a schematic view showing a conventional measuring device.

[Explanation of symbols]

1 sensor 2 Measuring device body 2a, 5a boss 2b long hole 4, 40 connector 4a, 7a Notch 4b slider 4c connector terminal 5 Slide lever 5b Square hole 5c protrusion 5d, 6d resin spring 6 Slide knob 6a nail 6c Slider fitting part 7 substrate 10, 20 Measuring device 30 display

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Yoshinobu Tokuno             1 Juden Matsushita, 1-8 Koshinmachi, Takamatsu City, Kagawa Prefecture             Child Industry Co., Ltd. F term (reference) 2G045 AA13 DA31 FB01 FB05 GC20                       HA10 HA14 JA04 JA07

Claims (4)

[Claims] 1. A measuring device equipped with a sensor on which a sample is spotted, for measuring the sample, comprising a discharging mechanism for discharging the sensor from the measuring device. 2. The measuring device according to claim 1, wherein the discharging mechanism is a slide member slidably arranged with respect to the measuring device, and an extruding member that responds to the sliding member and extrudes the sensor. And a measuring device. 3. The measuring device according to claim 2, wherein the measuring device has an electrode terminal that comes into contact with the mounted sensor, and the pushing member touches the sensor without touching the electrode terminal. A measuring device characterized by being an extruder. 4. The measuring device according to claim 2, further comprising a biasing member that biases the slide member or the pushing member in a direction opposite to a discharging direction of the sensor by the discharging mechanism. A measuring device characterized by the above.