JPH0762677B2 - Urine automatic test equipment - Google Patents

Description

Detailed Description of the Invention (a) Field of Industrial Application The present invention relates to an automatic urine testing device for automatically measuring urine sugar, occult blood, urobili, etc. The present invention relates to an automatic urine testing device that automatically sends a piece of paper to a testing unit in fixed lengths.

(B) Conventional technology At present, for example, as a urine sugar measuring device for measuring urine sugar, a test paper piece (called a test stick, in which a test paper impregnated with a reagent is attached to the upper surface of a synthetic resin sheet) is used. There is no automatic delivery to the urinalysis department.

A conventional urinary sugar meter has a control unit equipped with a CPU (central processing unit) and the like inside a meter body, and an inspection unit equipped with a light emitting element (light emitting diode) and a light receiving element (phototransistor), and has a built-in body. The structure is provided with a test paper introduction opening for inserting and arranging the test paper portion of the test paper piece corresponding to the inspection unit on the outside.

When measuring urinary sugar, take out one test stick from the stick box that stores a large number of test paper pieces, drop urine on the test paper, and after a certain period of time, insert this test stick into the stick introduction opening of the instrument body. From the department to the position corresponding to the inspection department. Then, the light emitting element is caused to emit light, the reflected light is received by the light receiving element, and the urine sugar value is detected based on the reaction light amount due to the color reaction.

(C) Problems to be Solved by the Invention In the conventional urine sugar meter, the meter body and the stick box for storing the test stick are separate bodies. Therefore,
In the inspection, it is necessary to take out the test sticks one by one from the stick box, and this taking out work is troublesome, and there is a disadvantage that the inspection work takes a long time especially in a group examination.

Also, it is necessary for the person to be inspected to attach urine to the removed test stick, to grasp the test stick to which the urine is attached with fingers and to insert it into the instrument inspection unit, which is extremely unhygienic. In addition to the above, there are many disadvantages such as the need to wash the fingers and the instrument main body inspection section for each inspection.

The present invention solves the problems as described above, the test strip cassette is built in the urine test body, and the long strip of test strip that is stored in the cassette is automatically pulled out at a fixed length for inspection. An object of the present invention is to provide an urine automatic inspection device which is hygienic to be transported to a room and has improved convenience of measurement.

(D) Means and Actions for Solving Problems In order to achieve this object, the urine automatic examination device of the present invention has the following configuration.

The urine automatic inspection device was provided in correspondence with the urine collection introducing section, the test strip cassette containing the roll-shaped test strip inside, and the test strip removing section in place, and the test strip removing section of this test strip cassette. A test strip feeding means, a urine test sensor provided corresponding to the test strip taking out part, a urine collecting means including a urine collecting body in which a urine collecting pipe continuous to the urine collecting introducing part is connected to a tip nozzle, and the tip is Excessive urine removing means positioned near the test strip before reaching the urine test sensor, upper position of the test strip before reaching the urine test sensor supporting the urine collecting body of the urine collecting means, and the excess urine removing means Transporting means for reciprocating between the upper position of the tip and the upper position.

In the urine automatic inspection device having such a configuration, a test strip cassette is arranged in a replaceable manner inside the urine inspection body. In this test strip cassette, long test strips, in which a large number of test strips are arranged at appropriate intervals, are wound and stored in a roll shape.

Now, when measuring urine sugar, the test strips are automatically sent out from the cassette by a fixed length by the test strip feeding means, and the serially arranged test strips are positioned at the positions corresponding to the urine sensor and the nozzle of the urine collecting body. To do. Here, for example, the blank value of the test paper located at the leading edge, that is, the test paper corresponding to the urine test sensor is read. Then, the urine in the urine collecting pipe is dropped onto the test paper subsequent to the most advanced test paper, that is, the test paper corresponding to the nozzle of the urine collecting body, via the urine collecting body and the nozzle.

Then, the test paper piece feeding means automatically sends the test paper piece to a fixed length, so that the test paper impregnated with urine is positioned corresponding to the urine measurement sensor. Here, light is projected from the light emitting element of the measurement sensor onto the test paper, the reflected light amount is received by the light receiving element, the color reaction light amount is read, and the urine sugar value and the like are detected in comparison with the blank value. At this time, at the same time, the urine collecting body is moved back to the surplus urine removing means side by retreating from the test paper surface of the test strip by the conveying means, and the surplus urine in the urine collecting pipe is transferred to the surplus urine removing means via the nozzle of the urine collecting body ( After being discharged to the surplus urine removal pipe), the urine collecting body returns to the original position (on the surface of the test paper) again, and the nozzle is positioned correspondingly on the test paper sent next.

(E) Embodiment FIG. 2 is a perspective view showing a specific embodiment of the urine automatic inspection apparatus according to the present invention.

The urine automatic inspection device comprises a toilet bowl 1 having a urine collection port 11 and a urine inspection body 2 arranged on the upper surface of the toilet bowl 1.

The urinal 1 is a vertical type urinal for men in the embodiment, and has a urine collection port 11 at the center and a drainage port 12 at the bottom. The urine collecting port 11 is connected to one end of the urine collecting pipe 51, and the other end of the urine collecting pipe 51 is introduced into the urine test body 2. Further, the waste liquid outlet 12 is connected to an excess urine removing pipe 83 of an excess urine removing means arranged in the urine test body 2.

FIG. 3 is an enlarged perspective view showing the urine test body 2.

The urine test body 2 is made of, for example, a hard synthetic resin material in a housing shape, has an opening / closing lid plate 21 attached to one end, and a measurement switch 22 and a display unit 23 on one side surface. Inside the urine test body 2, that is, in the vicinity of the opening / closing lid plate 21, a test strip cassette 3 and a used test strip storage box 24, which will be described later, are arranged so as to be taken out. Then, in the urine test body 2, a urine collecting means 5 and a urine test sensor 7, which will be described later, are arranged corresponding to the portion where the test strip cassette 3 is arranged.

FIG. 1 is an enlarged perspective view showing the internal structure of the urine test body 2.

Inside the urine test body 2, a test strip cassette 3, a test strip feeding means 4, a urine collecting means 5, a urine test sensor 7 and an excess urine removing means 8 are incorporated.

The feature of the present invention resides in that the roll-shaped test strips wound in the test strip cassette 3 are automatically conveyed to the urine test sensor 7 to be described later in fixed lengths.

As shown in FIG. 1, FIG. 3 and FIG. 4, the test strip cassette 3 has, for example, a roll-shaped test strip 31 rotatably mounted inside a plastic case, and an opening 32 is formed on the upper surface of the case. A test paper strip unloading portion (unloading base plate) 33 for unloading the test paper strip 31 is provided in the opening 32. A urine measuring sensor 7 described later, a nozzle portion 55 of the urine collecting means 5, and a test paper piece feeding means 4 are arranged above the test paper piece taking-out portion 33.

As shown in FIG. 4, the test paper piece 31 is composed of a large number of test papers 35 on a long sheet 34, for example, one set for detecting sugar, occult blood, and urobili are attached in series at appropriate intervals. Wear and test paper 35
With a structure in which a moisture-proof film 36 is coated on the test paper piece 31
Is wound into a roll. Also, on both sides of the test strip 31, there are feed holes 37 corresponding to the positions of the test strips 35 in series.
Is set so that the test paper pieces 31 are delivered at the opening intervals of the test paper 35. Further, the test paper strip cassette 3 has a winding roller 38 for winding the moisture-proof film 36.
Further, a plurality of auxiliary rollers 38a are provided, the shaft of the winding roller 38 is projected to the outside of the cassette 3, and the pulley 39 is attached to the projecting tip portion. The pulley 39 is linked to the test strip feeding means 4.

The test strip feeding means 4 is a test strip constant feed motor 41.
A pulley 42 is attached to the drive shaft of the device, a belt 43 is connected between the pulley 42 and the winding pulley 39, and a test paper strip unloading portion (unloading tray) of the test sample cassette 3 is attached to the tip of the drive shaft. A sprocket 44 corresponding to the plate 33 is attached, and the sprocket 44 is set to be engaged with the feed hole 37 of the pulled-out test strip 31. That is, the moisture-proof film 36 is set to be wound in synchronization with the feeding of the test strip 31.

Further, in the vicinity of the sprocket 44, that is, in the tip end portion (downstream end portion) of the test strip ejecting portion 33, a cutter driving motor 91
Cutting cutter that can be rotated around the drive shaft of the vehicle via the transmission arm 92
The used test paper piece cutting means 9 is configured by attaching 93, and the used test paper piece 31 whose measurement has been completed is cut by the cutting cutter 93, and the used test paper piece storage box 24.
It is designed to be discharged to.

The urine collecting means 5 is composed of a urine collecting pipe 51, one end of which is connected to the urine collecting port 11, and a urine collecting body 52, to which the other end of the urine collecting pipe 51 is connected.

The urine collection pipe 51 has a liquid presence detection sensor 53 and a liquid feed pump.
54 are connected.

The urine collecting body 52 is a rectangular parallelepiped having a urine passage therein, and the tip portion (downstream end portion) of the urine collecting pipe 51 is provided on the upper portion of the urine passage.
A surplus urine removal tube 81 described later is connected to the lower part of the urine passage. Further, a nozzle 55 communicating with the urine passage is integrally provided at the lower part of the urine collecting body 52 so as to project. And
The urine collecting body 52 is linked to the conveying means 6.

Further, a branch pipe 56 is provided on the upstream side of the urine collecting pipe 51,
The branch pipe 56 is connected to the water faucet 59 through an electromagnetic valve 57 and a pressure flow control valve 58 to form a cleaning means for the urine collecting pipe 51.

The transporting means 6 of the urine collecting body 52 includes a drive shaft 62 of a drive motor 61.
Rotating arm at the tip through the conductor 63 of the gear and chain
64, 64 are attached, and the rotary arms 64, 64 are integrally fixed to the urine collecting body 52. In the normal state, the urine collector 52,
That is, the nozzle 55 is positioned corresponding to the surface of the test paper 35 of the test paper piece 31 pulled out to the upper surface of the takeout base plate 33.

Further, the urine measurement sensor 7 is fixedly arranged above the test paper strip taking-out base plate 33, and is pulled out to the taking-out base plate 33.
It is set to correspond to position 35. The urine measurement sensor 7 is arranged on the downstream side of the takeout base plate 33 from the nozzle 55 at the normal position of the urine collecting body 52, and is received inside.
It has a light emitting element and an electronic circuit section.

The surplus urine removing means 8 includes a surplus urine removing tube 81 having one end connected to the urine passage of the urine collecting body 52 and a urine receiving portion at both ends.
And a surplus urine removal pipe 83 provided with 82 and 82a.

The other end of the excess urine removal tube 81 is connected to one urine receiving portion 82 of the excess urine removal pipe 83 via the suction pump 84,
The other urine receiving portion 82a is arranged corresponding to the transfer position where the urine collecting body 52 is transferred by the transfer means 6, and the nozzle 55
Is set to correspond to. The tip (downstream end) of the excess urine removal pipe 83 is connected to the waste liquid outlet 12.

In the urine automatic measurement device having such a configuration, the test strip cassette 3 is replaceably arranged inside the urine test body 2. Then, in the test strip cassette 3, a long test strip 31 in which a large number of test strips 35 are arranged at appropriate intervals is provided.
However, it is wound and stored in a roll shape.

At the time of measurement, the measurement switch 22 of the urine test body 2 is turned on. As a result, the test strip feeding means (constant size feeding motor 41), the urine collecting means (liquid feeding pump 54), the conveying means (driving motor 61), the urine test sensor 7, and the excess urine removing means (suction pump 84) are driven. . That is, although not shown, each pump and each motor are electrically connected and drive-controlled by the controller.

Now, when the measurement switch 22 is turned on and urine is dripped onto the urine collection port 11 of the toilet 1, the liquid presence / absence detection sensor 53 detects this, and at the same time, the liquid delivery pump 54 is driven to collect urine in the urine collection pipe 51. It is fed to the tip, that is, the urine collecting body 52. On the other hand, a plurality of tests of the test paper strip 31 pulled out to the mounting base plate 33 are made by attaching a front end preliminary portion (mounting portion) of the test paper strip 31 previously drawn out from the opening of the test paper strip cassette 3 to the sprocket 44. paper
35 are positioned corresponding to the urine test sensor 7 and the nozzle 55, respectively. Further, the moisture-proof film 36 of the test paper piece 31 is set so as to be wound and wound on the winding roller 38 via the auxiliary roller 38a.

Here, the test paper 35 to which the urine test sensor 7 corresponds is provided.
The blank value is read, and at the same time, urine is dripped onto the test paper 35 positioned corresponding to the nozzle 55. And this urine dropping work is performed under the operation of the suction pump 84, and the urine collection pipe
Most of the urine in 51 is released from the passage portion of the urine collecting body 52 to the excess urine removal tube 81 side (excess urine removal pipe 83 side), and the amount of dropped urine is set to be appropriate. Then, the test paper piece 31 is automatically pulled out from the cassette 3 by the fixed length, that is, the pitch of the feed hole 37, by the rotation of the sprocket 44. Here, the test paper 35 impregnated with urine is positioned corresponding to the urine measurement sensor 7. Here, light is projected from the light emitting element of the measurement sensor 7 onto the test paper 35, the reflected light amount is received by the light receiving element, the color reaction light amount is read, and the urine sugar value is detected in comparison with the blank value. At this time, at the same time, the urine collecting body (nozzle 55) 52 is retracted from the test paper 35 by the rotation of the rotating arm 64 and is positioned at the urine receiving portion 82a of the excess urine removing means 8. Here, the excess urine in the urine collection pipe 51 is discharged to the urine receiving portion 82a via the nozzle 55, and the excess urine flows out from the pipe 83 to the waste liquid outlet 12. In this state, the electromagnetic valve 57 is opened and tap water flows into the urine collecting pipe 51, and this tap water flows through the urine collecting body 52 from the nozzle 55 to the excess urine removing pipe 83, and the urine collecting pipe 51 is washed. . Then, after this, the urine collecting body 52 returns to the original position (on the surface of the test paper 35) again, and the nozzle 55 is positioned at the corresponding position on the test paper 35 which is next delivered.

Thus, the test strips 31 are automatically sent out in fixed lengths, and the same measurement work is repeated. Then, the used test strip after the measurement is cut by the cutter 93 and discarded in the storage box 24.

(F) Effect of the Invention In the present invention, as described above, the test strip cassette storing the roll-shaped strips is provided inside the urine measurement body,
The urine measuring sensor and the nozzle portion of the urine collecting means are arranged correspondingly to the taking-out portion of the test paper piece cassette, and the test paper piece is automatically sent to the taking-out portion by a fixed length.

According to the present invention, when measuring urine, the wound test strips are automatically fed to the inspection unit at fixed lengths, and the inspector uses one test stick from the test stick box as in the conventional case. It is not necessary to grip the test stick impregnated with urine with each finger. Therefore, the urine measurement can be achieved extremely hygienically, and the test strips are automatically fed to the inspection unit, so that the measurement work can be performed very quickly even in the group medical examination and the accurate measurement is possible. It has an excellent effect of achieving the object of the invention such as urine measurement.

[Brief description of drawings]

FIG. 1 is an enlarged perspective view showing the inside of the urine test body, FIG. 2 is a perspective view showing the urine automatic test apparatus of the embodiment, and FIG. 3 is a state in which the open / close lid plate of the urine test body is opened. Perspective view, 4th
The figure is an enlarged perspective view showing a test strip contained in a test strip cassette. 1: toilet bowl, 2: urine test body, 3: test strip cassette, 4: test strip feeding means 5: urine collecting means, 6: conveying means, 7: urine test sensor, 8: excess urine removing means.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hitoshi Kitaura, Tateishi Life Science Laboratory, No. 3 Nakamimon-cho, Hanazono, Ukyo-ku, Kyoto Prefecture (56) References Japanese Patent Publication No. 57-21055 (JP, B2) Public Sho 58-6145 (JP, B2) Actual Public Sho 56-31744 (JP, Y2)

Claims (1)

[Claims] 1. A test strip cassette having a urine collection introduction part, a roll-shaped test strip stored inside and a test strip removal part in place, and a test provided corresponding to the test strip removal part of the test strip cassette. A paper piece feeding means, a urine test sensor provided corresponding to the test paper piece taking-out section, a urine collecting means including a urine collecting body in which a urine collecting pipe continuous to the urine collecting introducing section is connected to a tip nozzle, and the tip is the urine Excess urine removal means positioned in the vicinity of the test strip before reaching the test sensor, the upper position of the test strip before reaching the urine test sensor supporting the urine collecting body of the urine collecting means, and the excess urine removal means An automatic urine test apparatus comprising: a transport unit that reciprocates between a position above the tip and a position above the tip.