WO2020171005A1 - Instrument de mesure - Google Patents

Instrument de mesure Download PDF

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Publication number
WO2020171005A1
WO2020171005A1 PCT/JP2020/005995 JP2020005995W WO2020171005A1 WO 2020171005 A1 WO2020171005 A1 WO 2020171005A1 JP 2020005995 W JP2020005995 W JP 2020005995W WO 2020171005 A1 WO2020171005 A1 WO 2020171005A1
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WO
WIPO (PCT)
Prior art keywords
measuring
measurement
main body
measuring device
parallel
Prior art date
Application number
PCT/JP2020/005995
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English (en)
Japanese (ja)
Inventor
純 ▲高▼木
高橋　智紀
浩明 富樫
堅志 田中
Original Assignee
株式会社村田製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to JP2021501972A priority Critical patent/JP7287452B2/ja
Publication of WO2020171005A1 publication Critical patent/WO2020171005A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons

Definitions

  • the present disclosure relates to measuring instruments.
  • an intraoral water content measuring device as a measuring device that a measurer holds by hand to measure an object (see, for example, Patent Document 1).
  • This intraoral water content measuring device has a capacitance type sensor, and the sensor is pressed against the surface to be measured of the target object to measure the water content of the target object (in the oral cavity).
  • the purpose of the present disclosure is to provide a measuring instrument that can suppress variations in measurement results.
  • a measuring instrument is a measuring instrument that a measurer holds in his/her hand to measure an object, and a measuring surface is exposed on a main body having a main surface and a first surface at a tip.
  • a measuring portion including a sensor, a connecting portion having a main surface and connecting the measuring portion to the main body portion, and at least one main surface of the main surface of the main body portion and the main surface of the connecting portion.
  • the angle formed by the central axis of at least one of the main body portion and the connecting portion and the first surface of the measuring portion is within 15 degrees.
  • the measuring device of one aspect of the present disclosure it is possible to suppress variations in measurement results.
  • the side view which shows the measuring device of 1st embodiment The bottom view which shows the measuring device of 1st embodiment.
  • the side view which shows the modification of the measuring device of 1st embodiment The side view which shows the modification of the measuring device of 1st embodiment.
  • the side view which shows the modification of the measuring device of 1st embodiment The side view which shows the modification of the measuring device of 1st embodiment.
  • the side view which shows the modification of the measuring device of 1st embodiment The side view which shows the modification of the measuring device of 1st embodiment.
  • the side view which shows the measuring device of 2nd embodiment The side view which shows the example of a change of the measuring device of 2nd embodiment.
  • the side view which shows the example of a change of the measuring device of 2nd embodiment The side view which shows the example of a change of the measuring device of 2nd embodiment.
  • the side view which shows the example of a change of the measuring device of 2nd embodiment The side view which shows the example of a change of the measuring device of 2nd embodiment.
  • the side view which shows the example of a change of the measuring device of 2nd embodiment The side view which shows the example of a change of the measuring device of 2nd embodiment.
  • the side view which shows the example of a change of the measuring device of 2nd embodiment The side view which shows the measuring device of 3rd embodiment.
  • the side view which shows the example of a change of the measuring device of 3rd embodiment The side view which shows the example of a change of the measuring device of 3rd embodiment.
  • the side view which shows the example of a change of the measuring device of 3rd embodiment The side view which shows the example of a change of the measuring device of 3rd embodiment.
  • the side view which shows the example of a change of the measuring device of 3rd embodiment The side view which shows the example of a change of the measuring device of 3rd embodiment.
  • the side view which shows the example of a change of the measuring device of 3rd embodiment The side view which shows the example of a change of the measuring device of 3rd embodiment.
  • the side view which shows the example of a change of the measuring device of 3rd embodiment The side view which shows the example of a change of the measuring device of 3rd embodiment.
  • the side view which shows the example of a change of the measuring device of 3rd embodiment The side view which shows the example of a change of the measuring device of 3rd embodiment.
  • the measuring device 1 shown in FIGS. 1 and 2 is an intraoral moisture measuring device that measures, for example, the amount of water in the oral cavity as a measurement target.
  • the measuring instrument 1 is rod-shaped and has a main body portion 10 in one longitudinal end region and a probe portion 20 in the other longitudinal end region.
  • the main body 10 has a substantially rectangular parallelepiped shape, and has an upper surface 10a and a lower surface 10b as main surfaces, side surfaces 10c and 10d, and end surfaces 10e and 10f.
  • the upper surface 10a is provided with a display unit 11 for displaying measurement results and the like.
  • the probe section 20 projects from one end surface 10e of the main body section 10. As shown in FIG. 2, the probe unit 20 and the main body unit 10 may be aligned on a straight line in a bottom view of the measuring instrument 1.
  • the probe unit 20 has a measurement unit 21 at the tip and a connection unit 22 that connects the measurement unit 21 to the main body unit 10.
  • the measuring unit 21 has a substantially rectangular parallelepiped shape.
  • the measurement unit 21 has a measurement surface 21a as a first surface of the measurement unit 21, a back surface 21b facing the side opposite to the measurement surface 21a, and a side surface 21c.
  • a sensor 30 is provided in the measuring unit 21.
  • the sensor 30 has a flat plate shape.
  • the sensor 30 has a flat measurement surface 30a.
  • the sensor 30 is, for example, a capacitance type sensor.
  • the measurement surface 21a of the measurement unit 21 and the measurement surface 30a of the sensor 30 are preferably parallel to each other. In the present disclosure, the angle formed by the measurement surface 21a of the measurement unit 21 and the measurement surface 30a of the sensor 30 is within 5 degrees.
  • the measurement surface 21a of the measurement unit 21 and the measurement surface 30a of the sensor 30 may be referred to as being parallel to each other. In the example shown in FIG. 2, the measurement surface 30a of the sensor 30 is flush with the measurement surface 21a of the measurement unit 21. Further, as shown in FIG. 3, the measurement surface 30 a of the sensor 30 is exposed from the measurement surface 21 a of the measurement unit 21.
  • a pair of electrodes 31a and 31b is provided on the measurement surface 30a of the sensor 30.
  • the pair of electrodes 31a and 31b are formed, for example, in a comb shape.
  • the pair of electrodes 31a and 31b function as electrodes of the capacitor. That is, the measurement target facing the measurement surface 30a and the liquid on the surface thereof function as a dielectric for the pair of electrodes 31a and 31b.
  • the capacitance values of the pair of electrodes 31a and 31b are values corresponding to the amount of water on the surface of the measurement target.
  • the connecting portion 22 has a substantially rectangular parallelepiped shape.
  • the thickness of the connecting portion 22 is the same as the thickness of the measuring portion 21, and the width of the connecting portion 22 is the same as the width of the measuring portion 21.
  • the thickness of the connecting portion 22 may be different from the thickness of the measuring portion 21.
  • the width of the connecting portion 22 may be different from the width of the measuring portion 21.
  • the connecting portion 22 has an upper surface 22a, a lower surface 22b, and side surfaces 22c and 22d as main surfaces.
  • the measuring device 1 includes a circuit board (not shown) on which constituent members such as an oscillation circuit and a control circuit are mounted.
  • the oscillator circuit outputs a signal having a frequency corresponding to the capacitance value of the sensor.
  • the control circuit detects the amount of water to be measured based on the number of pulses of the output signal of the oscillation circuit. Then, the control circuit displays the detected water content on the display unit 11.
  • the angle formed by the measurement surface 21a of the measurement unit 21 and the main axis or main surface of the connection unit 22 is preferably within 15 degrees, more preferably within 10 degrees, and even more preferably within 5 degrees. ..
  • the angle formed by the measurement surface 21a and another surface or axis is opposite to the angle of the surface or axis rotated to the rear surface 21b side of the measurement unit 21 with the measurement surface 21a as a reference, or the rear surface 21b.
  • the angle of the plane or axis rotated to the side is shown.
  • the angle formed by the measurement surface 21a of the measurement unit 21 and the main axis or main surface of the main body 10 is preferably within 15 degrees, more preferably within 10 degrees, and further preferably within 5 degrees. preferable.
  • the measurement surface 21a of the measurement unit 21 is flush with the lower surface 22b that is the main surface of the connection unit 22. That is, the measurement surface 21a of the measurement unit 21 and the lower surface 22b that is the main surface of the connection portion 22 are parallel to each other, and the angle formed by the measurement surface 21a and the lower surface 22b is 0 degree.
  • the central axis A10 of the main body portion 10 is on the same plane as the measurement surface 21a of the measurement portion 21. That is, the central axis A10 of the main body 10 is parallel to the measuring surface 21a of the measuring section 21, and the angle formed by the measuring surface 21a and the central axis A10 is 0 degree.
  • connection portion 22 of the present embodiment the lower surface 22b and the upper surface 22a are parallel to each other. Therefore, the upper surface 22a serving as the main surface of the connecting portion 22 is parallel to the measuring surface 21a of the measuring portion 21, and the angle formed by the measuring surface 21a and the upper surface 22a is also 0 degree.
  • the connecting portion 22 of the present embodiment has a rectangular parallelepiped shape, and the lower surface 22b and the upper surface 22a are parallel to the central axis A22. Therefore, the upper surface 22a and the lower surface 22b of the connecting portion 22 are parallel to the measuring surface 21a of the measuring portion 21, and the angle formed by the measuring surface 21a and the upper surface 22a or the lower surface 22b is also 0 degree.
  • the measurer holds the main body 10 with his/her hand while the display unit 11 of the main body 10 of the measuring instrument 1 is visible. Then, the measurer presses the measurement surface 21a of the measurement unit 21 at the tip of the probe unit 20 against the measured surface of the object, for example, the surface of the tongue. At this time, the central axis A10 of the main body 10 is parallel to the measurement surface 21a.
  • the central axis A10 of the gripped main body 10 is used as a reference and the central axis A10 and the measuring surface 21a of the measuring unit 21 are parallel to each other. Therefore, the inclination of the measuring surface 21a is determined. it can.
  • the measurer can easily make the measurement surface 21a of the measurement unit 21 parallel to the measured surface of the object by adjusting the inclination of the gripped main body 10. Then, by pressing the parallel measurement surface 21a against the measurement surface, it is possible to suppress variations in the measurement results.
  • FIG. 3 shows a measuring device 80 for confirming variations in measurement results.
  • the angle ⁇ a formed between the measurement surface 21a of the measurement unit 21 and the main surface and the central axis of the connecting portion 22 and the main body 10 was changed, and the coefficient of variation (CV value) of the measurement result was calculated.
  • the CV values are 1.9%, 2.1%, 2.4%, 3.0%, and 4.5%, respectively. It was It has been confirmed that the CV value and the angle ⁇ a have a correlation, and the smaller the angle with respect to the measurement surface 21a, the smaller the variation in the measured values.
  • the reason for setting the preferred angle ⁇ a within 15 degrees is explained below.
  • the degree of wetness of the mucous membrane is measured in the central part of the back of the tongue about 10 mm from the tongue tip of a person. This measurement is performed three times, and the median value is used to evaluate the degree of wetness of the mucous membrane, so that outliers (abnormal values) are excluded and the validity of the evaluation of oral function is increased.
  • the inventor of the present application has noticed a problem that if the outlier occurs twice in a row, the outlier may not be excluded even in the above operation.
  • the present inventor has found that an outlier is likely to occur in a measuring instrument having a CV value of 4.5%, and the cause thereof is insufficient contact of the sensor surface of the measuring instrument with the tongue. Further, in a measuring device having a CV value of less than 4.5%, particularly in a measuring device having a CV value of 3.0% or less, outliers are less likely to occur, and the validity of the measurement result is high, and the sensor surface of the measuring device is high. The present inventor has found that the contact between the tongue and the tongue is good.
  • the inventor of the present invention has the advantage that a measuring instrument that can achieve a CV value of 3.0% or less when using the measuring instrument according to the diagnostic guideline for hypofunction of the oral cavity is less likely to cause an outlier and is used for evaluating the oral function.
  • the preferable angle ⁇ a is set within 15 degrees.
  • the angle ⁇ a corresponding to a CV value of 2.4% or less is preferably within 10 degrees, and more preferably the angle ⁇ a corresponding to a CV value of 2.1% or less within 5 degrees.
  • the inclination of the measurement surface 21a of the measurement unit 21 can be similarly determined on the lower surface of the main body 10 and the upper surface 10a of the main body 10.
  • the inclination of the measurement surface 21a of the measurement unit 21 can be similarly determined for the central axis A22 of the connection unit 22, the lower surface 22b of the connection unit 22, and the upper surface 22a of the connection unit 22. Therefore, the angle between one of the central axis A10, the lower surface 10b, and the upper surface 10a of the main body portion 10 and the central axis A22, the lower surface 22b, and the upper surface 22a of the connecting portion 22 and the measurement surface 21a may be within 15 degrees.
  • the lower surface 22b of the connecting portion 22 is flush with the measuring surface 21a of the measuring portion 21.
  • the measuring unit 21 may not be visually recognized due to teeth or lips.
  • the lower surface of the connecting portion 22 is flush with the measuring surface 21a of the measuring portion 21, the lower surface 22b of the connecting portion 22, that is, the lower surface 22a of the connecting portion 22 is determined by the state of the surface of the tongue and the connecting portion 22 within a range that can be confirmed by the measurer. It can be determined whether the measurement surface 21a of the measurement unit 21 is inclined with respect to the surface of the tongue. Therefore, the measurement surface 21a can be pressed parallel to the surface to be measured, and the variation in the measurement result can be suppressed.
  • the measuring device 1 includes a main body portion 10 having a lower surface 10b as a main surface and an upper surface 10a, and a measuring portion 21 including a sensor 30 having a measuring surface 21a exposed to the first measuring surface 21a, It has a lower surface 22b and an upper surface 22a which are main surfaces, and a connecting portion 22 which connects the measuring portion 21 to the main body portion 10.
  • the measurement surface 21a of the measurement unit 21 is flush with the measurement surface 21a of the sensor 30.
  • the central axis A10 of the main body 10 is parallel to the measuring surface 21a of the measuring section 21, that is, the angle formed by the central axis A10 and the measuring surface 21a is 0 degree (within 15 degrees).
  • the central axis A10 of the gripped main body 10 is used as a reference and the central axis A10 and the measuring surface 21a of the measuring unit 21 are parallel to each other. Therefore, the inclination of the measuring surface 21a is determined. it can. Therefore, the measurer can easily make the measurement surface 21a of the measurement unit 21 parallel to the measured surface of the object by adjusting the inclination of the gripped main body 10. Then, by pressing the parallel measurement surface 21a against the measurement surface, it is possible to suppress variations in the measurement results.
  • the central axis A22, the lower surface 22b, and the upper surface 22a of the connecting portion 22 are parallel to the measuring surface 21a of the measuring portion 21. Therefore, for example, in the oral cavity, which is difficult to visually recognize, the inclination of the measurement surface 21a can be easily grasped by the inclination of the connecting portion 22. Therefore, the measurement surface 21a of the measurement unit 21 can be pressed uniformly against the mucous membrane in the oral cavity, and the variation in the measurement result can be suppressed.
  • the measurement surface 21a of the measurement unit 21 is flush with the measurement surface 21a of the sensor 30. Therefore, depending on the state of the surface of the tongue and the connecting portion 22, whether the lower surface 22b of the connecting portion 22, that is, the measuring surface 21a of the measuring portion 21 is inclined with respect to the surface of the tongue, within a range that can be confirmed by the measurer. Can judge. Therefore, the measurement surface 21a can be pressed parallel to the surface to be measured, and the variation in the measurement result can be suppressed.
  • the measuring surface 21a of the measuring section 21 projects downward from the lower surface 22b of the connecting section 22. Also in the measuring instrument 101, it is possible to suppress the variation in the measurement result, as in the first embodiment.
  • the measuring instrument 111 has a grip portion 12 in the main body portion 10.
  • the holding state of the measuring instrument 111 can be defined by the grip portion 12.
  • the central axis A12 of the grip portion 12 is parallel to the measurement surface 21a of the measurement portion 21.
  • the inclination of the measuring surface 21a can be determined. Therefore, the measurer can easily make the measurement surface 21a of the measurement unit 21 parallel to the measured surface of the object by adjusting the inclination of the grip portion 12. Then, by pressing the parallel measurement surface 21a against the measurement surface, it is possible to suppress variations in the measurement results.
  • the grip portion 12 may be provided at the end of the main body portion 10 on the side of the connection portion 22.
  • At least one of the upper surface 12a of the grip portion 12 and the lower surface 12b of the grip portion 12 may be parallel to the measurement surface 21a of the measurement portion 21.
  • the measurement surface 21a is pressed against the surface to be measured, so that the dispersion of the measurement results is reduced. Can be suppressed.
  • the connecting portion 22 of the measuring device 121 includes an arch-shaped detour portion 23, a front end portion 24 on the measurement portion 21 side of the detour portion 23, and a rear side of the body portion 10 on the detour portion 23 side. And an end portion 25.
  • the central axes A22 of the front end portion 24 and the rear end portion 25 are parallel to the measurement surface 21a.
  • the bypass portion 23 can reduce interference with, for example, the teeth of the lower jaw and bring the measurement surface 21a of the measuring portion 21 into close contact with the surface of the tongue.
  • the detour 23, the connection between the detour 23 and the front end 24, and the connection between the detour 23 and the rear end 25 may be gently curved.
  • the thickness of the measuring portion 21 is larger than the thickness of the connecting portion 22. Further, the central axis A10 of the main body portion 10 and the central axis A22 of the connecting portion 22 coincide with each other. Also in the measuring device 131, it is possible to suppress the variation in the measurement result, as in the first embodiment.
  • the connecting portion 22 of the measuring device 141 includes an arch-shaped detour 23, a front end 24 on the side of the measuring section 21 with respect to the detour 23, and a rear side of the body 10 on the side of the detour 23. And an end portion 25.
  • the measurement surface 21a of the measurement portion 21 is parallel to the central axis A22 of the front end portion 24 and the rear end portion 25, and is flush with the lower surface 24b of the front end portion 24 and the lower surface 25b of the rear end portion 25.
  • the central axes A22 of the front end portion 24 and the rear end portion 25 coincide with the central axis A10 of the main body portion 10.
  • the detour 23, the connection between the detour 23 and the front end 24, and the connection between the detour 23 and the rear end 25 may be gently curved.
  • the central axis and the main surface of at least a part of the main body 10 are parallel to the measuring surface 21 a of the measuring unit 21.
  • the central axis A10 of the main body 10 is parallel to the measuring surface 21a of the measuring unit 21.
  • the central axis A22 of the connecting portion 22 is inclined with respect to the measurement surface 21a.
  • the angle formed by the central axis A22 of the connecting portion 22 with respect to the measurement surface 21a is preferably within 15 degrees, more preferably within 10 degrees, and even more preferably within 5 degrees.
  • the measuring device 2 has a patient tongue put out to the front of the tooth, and the measuring surface 21a of the measuring unit 21 can be pressed against the tongue while the tongue is fixed with at least one of the upper jaw and the lower jaw. It is easy to press 21a parallel to the tongue, and the measurement is stable. However, for patients who have weak oral muscles and cannot put their tongue out in front of their teeth, patients with dementia, etc., because the tongue is on the throat side of their teeth, the connecting portion 22 comes into contact with the patient's teeth and the measurement surface 21a It may not be possible to press it parallel to the tongue.
  • the inclination of the central axis A22 of the connecting portion 22 is within 15 degrees with respect to the measuring surface 21a of the measuring portion 21 as in the present embodiment, the measurement is performed even when the tongue is on the throat side of the tooth. Even if it is unavoidable, by adjusting the inclination of the connecting portion 22 while suppressing the contact between the connecting portion 22 and the tooth, the measuring surface 21a of the measuring portion 21 with respect to the surface of the tongue to be the object. Can easily be parallel. Then, by pressing the parallel measurement surface 21a against the measurement surface, it is possible to suppress variations in the measurement results.
  • the inclination of the central axis A22 of the connecting portion 22 is within 15 degrees with respect to the measuring surface 21a of the measuring portion 21. Therefore, for example, in the oral cavity, which is difficult to visually recognize, the inclination of the measurement surface 21a can be easily grasped by the inclination of the main body portion 10. Therefore, the measurement surface 21a of the measurement unit 21 can be pressed uniformly against the mucous membrane in the oral cavity, and the variation in the measurement result can be suppressed.
  • the inclination of the central axis A22 of the connecting portion 22 is within 15 degrees with respect to the measurement surface 21a of the measuring portion 21, the inclination of the connecting portion 22 is also inclined to the tongue on the throat side of the tooth.
  • the measurement surface 21a of the measurement unit 21 can be easily made parallel to the surface of the tongue by adjusting. Then, by pressing the parallel measurement surface 21a against the measurement surface, it is possible to suppress variations in the measurement results.
  • the measuring surface 21a of the measuring unit 21 and the central axis A10 of the main body 10 are parallel to each other, and the central axis A10 is on the same plane as the measuring surface 21a.
  • the connecting portion 22 may have any shape, for example, a trapezoidal shape in which the width and the thickness decrease toward the measuring portion 21.
  • the connecting portion 22 of the measuring device 211 is bent between the front end portion 24 and the rear end portion 25 toward the upper surface 10a side of the main body portion 10.
  • the bent connecting portion 22 suppresses interference with, for example, a tooth, and allows the measurement surface 21a to be pressed uniformly against the measurement surface.
  • the bent portion may have a shape that is gently curved.
  • the measuring device 221 has an indication surface 13a on the upper surface 10a of the main body 10 for disposing the finger F1 of the measurer.
  • the holding state of the measuring device 221 can be defined by the pointing surface 13a.
  • the connecting portion 22 is inclined toward the lower surface 10b of the main body portion 10.
  • the pointing surface 13a is inclined so that the thickness of the main body portion 10 decreases toward the measuring portion 21.
  • the pointing surface 13a is parallel to the measuring surface 21a of the measuring unit 21.
  • the measuring device 221 can grasp the inclination of the measurement surface 21a with the pointing surface 13a as a reference, and can evenly press the measurement surface 21a against the surface to be measured.
  • the measuring device 231 has an indication surface 13b on the upper surface 10a of the main body 10 for disposing the finger F1 of the measurer.
  • the holding state of the measuring device 231 can be defined by the pointing surface 13b.
  • the connecting portion 22 is inclined toward the upper surface 10a of the main body portion 10.
  • the pointing surface 13b is inclined so that the thickness of the main body portion 10 increases toward the measuring portion 21.
  • the pointing surface 13b is parallel to the measuring surface 21a of the measuring unit 21.
  • the measuring device 241 has, on the lower surface 10b of the main body portion 10, a pointing surface 14a for placing the finger F2 of the measurer.
  • the holding state of the measuring device 241 can be defined by the pointing surface 14a.
  • the connecting portion 22 is inclined toward the lower surface 10b of the main body portion 10.
  • the pointing surface 14a is inclined so that the thickness of the main body portion 10 increases toward the measuring portion 21.
  • the pointing surface 14a is parallel to the measuring surface 21a of the measuring unit 21.
  • the measuring device 251 has an indication surface 13a on the upper surface 10a of the main body 10 for disposing the finger F1 of the measurer. Further, the lower surface 10b of the main body portion 10 has a pointing surface 14a for placing the finger F2 of the measurer.
  • the holding state of the measuring device 251 can be defined by the pointing surfaces 13a and 14a.
  • the connecting portion 22 is inclined toward the lower surface 10b of the main body portion 10.
  • the pointing surfaces 13a and 14a are parallel to the measuring surface 21a of the measuring unit 21. With this measuring device 251, the inclination of the measuring surface 21a can be grasped with reference to the pointing surfaces 13a and 14a, and the measuring surface 21a can be pressed uniformly against the measured surface.
  • any one of the indication surfaces 13a and 14a is parallel to the measurement surface 21a, the inclination of the measurement surface 21a can be grasped by the parallel indication surface and the measurement surface 21a is uniformly pressed against the measurement surface 21a. Therefore, it is not necessary for either of the pointing surfaces 13a and 14a to be parallel to the other.
  • the measuring device 261 has an indication surface 13a on the upper surface 10a of the main body 10 for disposing the finger F1 of the measurer.
  • the holding state of the measuring device 221 can be defined by the pointing surface 13a.
  • the connecting portion 22 is inclined toward the upper surface 10a of the main body portion 10.
  • the pointing surface 13a is inclined so that the thickness of the main body portion 10 increases toward the measuring portion 21.
  • the pointing surface 13a is flush with the measuring surface 21a of the measuring unit 21.
  • the central axis and the main surface of at least a part of the connecting portion 22 are parallel to the measuring surface 21a of the measuring portion 21.
  • the connecting portion 22 is inclined toward the upper surface 10 a of the main body 10.
  • the central axis A22 of the connecting portion 22 is parallel to the measuring surface 21a of the measuring portion 21.
  • the measurement surface 21a and the connecting portion 22 are inclined with respect to the main body portion 10.
  • the angle formed by the central axis A10 of the main body portion 10 with respect to the measurement surface 21a and the connection portion 22 can be set within 15 degrees.
  • the angle is more preferably 10 degrees or less, further preferably 5 degrees or less.
  • the measurer changes the posture of the measuring device 3, since the central axis A22 of the connecting portion 22 and the measuring surface 21a of the measuring portion 21 are parallel to each other, the measuring surface 21a You can judge the inclination. Therefore, the measurer can easily make the measurement surface 21a of the measurement unit 21 parallel to the measured surface of the object by adjusting the inclination of the connection unit 22. Then, by pressing the parallel measurement surface 21a against the measurement surface, it is possible to suppress variations in the measurement results.
  • the central axis A22 of the connecting portion 22 is parallel to the measuring surface 21a of the measuring portion 21. Therefore, for example, in the oral cavity, which is difficult to visually recognize, the inclination of the measurement surface 21a can be easily grasped by the inclination of the connecting portion 22. Therefore, the measurement surface 21a of the measurement unit 21 can be pressed uniformly against the mucous membrane in the oral cavity, and the variation in the measurement result can be suppressed.
  • the connecting portion 22 of the measuring device 301 has a front end portion 24 on the side of the measuring portion 21 and a rear end portion 25 on the side of the main body portion 10, and the front end portion 24 and the rear end portion 25. Is bent between and.
  • the rear end 25 is inclined toward the lower surface 10b of the main body 10, and the lower surface 25b of the rear end 25 and the measuring surface 21a of the measuring unit 21 are flush with each other.
  • the inclination of the measurement surface 21a can be adjusted by the lower surface 25b of the rear end portion 25 that is flush with the measurement surface to uniformly press the measurement surface 21a against the mucous membrane in the oral cavity.
  • the bent portion between the front end portion 24 and the rear end portion 25 may have a gently curved shape.
  • the connecting portion 22 of the measuring device 311 has a bent portion 26 that is bent in an arch shape and a rear end portion 25 on the main body portion 10 side.
  • the rear end portion 25 is inclined toward the upper surface 10a of the body portion 10, and the lower surface 25b of the rear end portion 25 is flush with the measurement surface 21a of the measurement portion 21.
  • the bent portion 26 suppresses interference with teeth and the like, and the rear end portion 25 adjusts the inclination of the measurement surface 21a so that the measurement surface 21a can be pressed uniformly against the mucous membrane in the oral cavity.
  • the bent portion 26 and the connecting portion between the bent portion 26 and the rear end portion 25 may have a shape that is gently curved.
  • the connecting portion 22 of the measuring device 321 has a bent portion 26 that is bent in an arch shape and a rear end portion 25 on the main body portion 10 side.
  • the lower surface of the rear end portion 25 is flush with the measurement surface 21 a of the measurement portion 21.
  • the bent portion 26 suppresses interference with teeth and the like, and the rear end portion 25 adjusts the inclination of the measurement surface 21a so that the measurement surface 21a can be pressed uniformly against the mucous membrane in the oral cavity.
  • the bent portion 26 and the connecting portion between the bent portion 26 and the rear end portion 25 may have a shape that is gently curved.
  • the connecting portion 22 of the measuring device 331 has a front end portion 24 on the measuring portion 21 side and a rear end portion 25 on the main body portion 10 side, and the front end portion 24 and the rear end portion 25. Is bent between and.
  • the rear end portion 25 is inclined toward the lower surface 10b of the main body portion 10.
  • the lower surface 24b of the front end portion 24 is flush with the measurement surface 21a of the measurement portion 21.
  • the bent portion between the front end portion 24 and the rear end portion 25 may have a gently curved shape.
  • the connecting portion 22 of the measuring device 341 includes an arch-shaped detour portion 23, a front end portion 24 on the measuring portion 21 side of the detour portion 23, and a rear side of the body portion 10 on the detour portion 23 side. And an end portion 25.
  • the rear end portion 25 is inclined toward the lower surface 10b of the main body portion 10.
  • the lower surface 24b of the front end portion 24 is flush with the measurement surface 21a of the measurement unit 21.
  • the bypass 23 can reduce the interference with, for example, the teeth of the lower jaw and bring the measuring surface 21a of the measuring unit 21 into close contact with the surface of the tongue.
  • the detour 23, the connection between the detour 23 and the front end 24, and the connection between the detour 23 and the rear end 25 may be gently curved.
  • the connecting portion 22 of the measuring device 351 has a front end portion 24 on the measuring portion 21 side and a rear end portion 25 on the main body portion 10 side, and the front end portion 24 and the rear end portion 25. Is bent between and.
  • the rear end portion 25 is inclined toward the lower surface 10b of the main body portion 10, and the front end portion 24 is inclined further toward the lower surface 10b side of the main body portion 10 than the rear end portion 25.
  • the lower surface 24b of the front end portion 24 and the measuring surface 21a of the measuring portion 21 are flush with each other.
  • the bent portion between the front end portion 24 and the rear end portion 25 may have a gently curved shape.
  • the connecting portion 22 of the measuring device 361 has a front end portion 24 on the side of the measuring portion 21 and a rear end portion 25 on the side of the main body portion 10, and the front end portion 24 and the rear end portion 25. Is bent between and.
  • the rear end portion 25 extends substantially parallel to the lower surface 10b of the body portion 10, and the front end portion 24 is inclined with respect to the rear end portion 25 toward the lower surface 10b of the body portion 10.
  • the lower surface 24b of the front end portion 24 and the measuring surface 21a of the measuring portion 21 are flush with each other.
  • the bent portion between the front end portion 24 and the rear end portion 25 may have a gently curved shape.
  • the lower surface 22b of the connecting portion 22 is flush with the measuring surface 21a of the measuring portion 21.
  • the lower surface 10b of the main body portion 10 is flush with the lower surface 22b of the connection portion 22. That is, in this measuring device 371, the measurement surface 21a of the measurement unit 21, the lower surface 22b of the connection portion 22, and the lower surface 10b of the main body portion 10 are flush with each other.
  • the inclination of the measuring surface 21a can be adjusted by at least one of the lower surface 10b of the main body portion 10 and the lower surface 22b of the connecting portion 22, and the measuring surface 21a can be pressed uniformly against the mucous membrane in the oral cavity.
  • the connecting portion 22 of the measuring device 381 includes an arch-shaped detour portion 23, a front end portion 24 on the measuring portion 21 side of the detour portion 23, and a rear side of the body portion 10 on the detour portion 23 side. And an end portion 25.
  • the lower surface 24b of the front end portion 24 and the lower surface 25b of the rear end portion 25 are flush with the measurement surface 21a of the measurement portion 21.
  • the lower surface 10b of the main body portion 10 is flush with the lower surface 25b of the rear end portion 25.
  • the measurement surface 21a of the measurement unit 21, the lower surface 24b of the front end portion 24, the lower surface 25b of the rear end portion 25, and the lower surface 10b of the main body portion 10 are flush with each other.
  • measurement is performed by at least one of the lower surface 24b of the front end portion 24, the lower surface 25b of the rear end portion 25, and the lower surface 10b of the main body portion 10 while suppressing the interference with the teeth by the bypass portion 23.
  • the measurement surface 21a can be pressed uniformly against the mucous membrane in the oral cavity.
  • the detour 23, the connection between the detour 23 and the front end 24, and the connection between the detour 23 and the rear end 25 may be gently curved.
  • the connecting portion 22 of the measuring device 391 projects from the lower end of the end surface 10 e of the main body portion 10 and is inclined toward the lower surface 10 b of the main body portion 10.
  • the lower surface 22b of the connecting portion 22 is flush with the measuring surface 21a of the measuring portion 21.
  • the inclination of the measurement surface 21a can be adjusted by the lower surface 22b of the connecting portion 22 so that the measurement surface 21a can be uniformly pressed against the mucous membrane in the oral cavity.
  • the balance during measurement is stable by setting importance on the vicinity of the gripping portion gripped by the measurer and the vicinity of the pointing surface for placing the finger of the measurer.
  • the finger F1 of the measurer is placed on the pointing surface 13b and the main body 10 is moved. It can be guided to hold and press the measurement surface 21a against the mucous membrane in the oral cavity.
  • the measurer can grasp the main body 10 at a position near the measurement surface 21a of the measurement unit 21 and control the angle and load between the measurement surface 21a and the mucous membrane in the oral cavity, and visually confirm it.
  • the difficult oral cavity it becomes easy to uniformly press the measurement surface 21a against the mucous membrane in the oral cavity.
  • the -Measuring instrument 1 may be a battery-powered handheld type.
  • the main body unit 10 is configured to accommodate one or more batteries BT for driving the measuring instrument 1.
  • the battery BT can have a central axis ABT that is a straight line passing through the center of the battery BT in the longitudinal direction.
  • the central axis ABT of the battery BT can be regarded or defined as the central axis of the main body 10.
  • the central axis ABT of the battery BT and the central axis A10 of the main body 10 are parallel to each other. 28, the configuration other than the battery BT is the same as the example of FIG.
  • the central axis A10 of the main body 10 can be defined as follows. That is, when a virtual rectangular parallelepiped that accommodates the main body 10 in a minimum volume is set, and a pair of virtual outer surfaces having the largest area among the six virtual outer surfaces of the virtual rectangular parallelepiped is referred to as a pair of maximum virtual outer surfaces, A virtual straight line that is parallel to the longitudinal direction of the pair of maximum virtual outer surfaces and passes through an intermediate position between the pair of maximum virtual outer surfaces, or is parallel to the longitudinal direction of the pair of maximum virtual outer surfaces and the center of the volume of the virtual rectangular parallelepiped (for example, A virtual straight line passing through the center of gravity can be defined as the central axis A10 of the main body 10.
  • the main body 10 When the main body 10 is a rectangular parallelepiped, the virtual rectangular parallelepiped coincides with the main body 10, and the maximum virtual outer surface coincides with the upper surface 10a and the lower surface 10b of the main body 10.
  • the main body 10 when the main body 10 is a non-rectangular solid such as a columnar shape, a polygonal prism, an ellipsoid, the maximum virtual outer surface may not match the upper surface 10a and the lower surface 10b of the main body 10.
  • the central axis A22 of the connecting portion 22 can be defined similarly to the main body portion 10.
  • the measuring device for measuring the water content in the oral cavity has been described, but the water content may be measured outside the oral cavity.
  • the measuring device for measuring the water content is used, but the measuring device for measuring other may be used.
  • it may be a measuring device such as a pH measuring device or an oral bacteria measuring device.
  • it may be a measuring device for measuring blood flow and blood oxygen.
  • it may be a measuring device for measuring oral muscle strength such as tongue pressure and occlusal force.
  • it may be a measuring instrument that measures a plurality of types of measurement values. In that case, it goes without saying that the capacitance sensor of the above embodiment is used as a sensor corresponding to the measurement target.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

Plusieurs modes de réalisation de l'invention concernent un instrument de mesure permettant de limiter les variations de résultats de mesure. Cet instrument de mesure (1) possède; une partie (10) corps principal présentant en tant que surfaces principales une surface inférieure (10b) et une surface supérieure (10a); une partie (21) de mesure comportant un capteur (30); et une partie (22) de connexion présentant en tant que surfaces principales une surface inférieure (22b) et une surface supérieure (22a), laquelle partie connecte la partie (21) de mesure et la partie (10) de corps principal. La partie (21) de mesure possède une surface (21a) de mesure qui est la première surface de cette partie (21) de mesure, et sur la surface (21a) de mesure de la partie (21) de mesure, une surface (30a) de mesure d'un capteur (30) est exposée. L'angle formr par un axe centrale (A10) de la partie (10) corps principal et par la surface (21a) de mesure de la partie (21) de mesure est inférieur ou égal à 15 degrés.
PCT/JP2020/005995 2019-02-18 2020-02-17 Instrument de mesure WO2020171005A1 (fr)

Priority Applications (1)

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JP2021501972A JP7287452B2 (ja) 2019-02-18 2020-02-17 測定器及び口腔内水分測定器

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JP2019026336 2019-02-18
JP2019-026336 2019-02-18

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WO2020171005A1 true WO2020171005A1 (fr) 2020-08-27

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JP2006122347A (ja) * 2004-10-28 2006-05-18 Life:Kk 口腔水分計
WO2015125222A1 (fr) * 2014-02-19 2015-08-27 株式会社らいふ Dispositif de mesure d'humidité intrabuccale
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JP7287452B2 (ja) 2023-06-06

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