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`* NOTICE *
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`JPO and INPIT are not responsible for any damages caused by the use of this
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`transtation,
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`1. This document has been translated by computer. So the translation may not reflect the
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`original precisely.
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`2. **** shows a word which cannot be translated.
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`3. In the drawings, any words are not translated.
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`(19) [Publication country] JP
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`{12) [Kind of official gazette] A
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`{11) [Publication number] 2008018010
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`(43) {Date of publication of application] 20080131
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`(54) [Title of the invention] EATING FUNCTION MEASURING APPARATUS
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`(51) {International Patent Classification]
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`AGIB 5/11
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`(2006.01}
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`[FI]
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`A6IB 5/10
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`310)
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`A6IB 5/10
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`310K
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`

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`{21) [Application number] 2006191892
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`(22) [Filing date] 20060712
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`{71) [Applicant]
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`[Name] TOKYO GIKEN: KK
`
`[Name] UNIV NIHON
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`(72) {Iinventor]
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`[Full name] NASU IKUO
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`

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`(57) [Overview]
`
`PROBLEM TO BE SOLVED: To provide an apparatus for observing a series of rmovemeants fro
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`m digestion to deglutition of a subject and measuring eating (digestion and deglutition) fu
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`nections while minimizing burdens on the subject.
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`SOLUTION: The eating function measuring apparatus 10 comprises: an acceleration sensor
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`20 (for instance, 20a, 20b or 20c)} attached to at least one of the masseter part or chin par
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`tof the subject 1 for measuring a digestion movement; an acceleration sensor 20 (for inst
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`ance, 20d) attached to the larynx part of the subject 1 for measuring the deglutition move
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`ment; and a measuring part 35 for measuring the eating (digestion and deglutition) functi
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`ons on the basis of the output of the respective acceleration sensors 20 changed by a serie
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`s of movements from the digestion to the deglutition of the subject 1.
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`

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`
`
`[Patent Claims]
`
`[Chaim 1]
`
` Clase
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`An acceleration sensor which is attached to at least one of a masseter part of a subject an
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`da mental region and measures a masticatory movement ;
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`An acceleration sensor which is attached to the larynx of the subject and measures swallo
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`wing movement;
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`A measuring part for measuring the feeding (chewing and swallowing) function of the subj
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`ect based on the output of each of the acceleration sensors changing by a series of movem
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`ent from the mastication of the subject to the swallowing ;
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`in this feeding function measuring device, a feeding function measuring device is provided.
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`fClaim 2]
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`An acceleration sensoris attached to the lower jaw of the examinee to measure a masticat
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`ory movement ;
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`An acceleration sensor which is attached to the larynx of the subject and measures swallo
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`wing movement ;
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`A measuring part for measuring the feeding (chewing and swallowing) function of the subj
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`ect based on the output of each of the acceleration sensors changing by a series af movem
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`ent from the mastication of the subject to the swallowing ;
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`In this feeding function measuring device, a feeding function measuring device is provided.
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`[Claim 3]
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`The eating function measuring device according to claim 1 or 2, wherein the measuring uni
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`t graphically displays an output of an acceleration sensor for measuring the mastication m
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`ovement and an output of an acceleration sensor for measuring the swallowing movement
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`on the same time axis.
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`[Claim 4]
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`The eating function measuring device according to any one of claims 1 to 3, wherein a 3a
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`xis acceleration sensor is used as each of the acceleration sensors.
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`
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`{Detailed description of the invention]
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`[Technical field]
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`f0001]
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`The present invention relates to a device for measuring eating function, which measures a
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`

`

`function of feeding (chewing and swallowing) By observing a series of movements from ma
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`stication of a subject to swallowing.
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`[Background of the Invention]
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`[0002]
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`Conventionally, as a device for observing and adjusting an occlusal state of a subject in de
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`ntal medicine, there is a device which attaches a ****** to a face of a subject (for exampl
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`e, refer to Patent Document 1).
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`(0003)
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`in addition, there is a method in which a fixed marker is attached to a face of a subject, an
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`da relative movement between the fixed marker and the moving marker is captured by a
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`camera (see, for example, Patent Document 2).
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`[Patent document 1]IP H 7-308329A
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`[Patent document 2]3P 2004-81865A
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`[Disclosure of invention]
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`[Problem to be solved by the invention]
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`[0004]
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`However, such a canventianal device has the following problems,
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`[0005]
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`in other words, in the case of the mandibular motion measuring apparatus disclosed in Pat
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`ent Document 1, since it ils necessary to attach a ****** to the face of a subject, a large b
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`urden is imposed on the subject.
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`[0006]
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`in addition, in the case of the jaw motion measuring device disclosed in Patent Document
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`2, since it is necessary to attach a fixed marker to a face of a subject and to fix a moving
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`marker to a lower jaw of a subject, both the fixed marker and the moving marker must be
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`attached to the subject, and this is also a large burden on the subject.
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`[0007]
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`it is accomplished in order to solve an aforementioned problem, and a series of movement
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`s from a test subject's digestion to [| while minimizing a test subject's burden ] a deglutitio
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`n are observed, and this invention is a food intake (digestion and deglutition) function.
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`To provide a feeding function measuring device capable of measuring.
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`{Means for solving the problem]
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`(0008)
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`& feeding function measuring device according to claim 1 of the present invention is an acc
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`eleration sensor which is attached to at least one of a masseter portion of a subject and a
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`mental region of a subject to measure a masticatory movement of the subject. This device
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`is provided with an acceleration sensor which is attached to the larynx of a subject and me
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`asures a swallowing movement, and a measuring part which measures a feeding (chewing
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`and swallowing} function of the subject based on an output of each of the acceleration sen
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`sors which changes by a series of movements from the mastication of the subject to swailo
`
`

`

`wing.
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`foo09]
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`A feeding function measuring device according to claim 2, wherein an acceleration sensor i
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`5 attached to the lower jaw of the subject to measure a masticatory movement ; This devi
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`ce is provided with an acceleration sensor which is attached to the larynx of a subject and
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`measures a swallowing movement, and a measuring part which measures a feeding (chewi
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`ng and swallowing) function of the subject based on an output of each of the acceleration s
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`ensors which changes by a series of movements from the mastication of the subject to sw
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`allowing,
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`[0010]
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`According to a 3 aspect of the present invention, in the eating function measuring device a
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`ccording to the 1 or 2 aspect, the measuring unit graphically displays an output of an accel
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`eration sensor for measuring the mastication movement and an output of an acceleration s
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`ensor for measuring the swallowing movement on the same time axis.
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`(0011)
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`A feeding function measuring device according to a 4 aspect of the present invention is the
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`feeding function measuring device according to any one of the 1 to 3 aspects, wherein a 3
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`axis acceleration sensor is used as each of the acceleration sensors.
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`fEffect of the Invention]
`
`[0012]
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`As described above, the present invention relates to an acceleration sensor which is attach
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`ed to at least one of a masser muscle portion or a mental region of a subject and measure
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`s a masticatory movement, and an acceleration sensor which is attached to a laryngeal por
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`tion of the subject and measures a swallowing movement. A measuring part which measur
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`es the feeding (chewing and swallowing) function of the subject is provided on the basis of
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`the output of each acceleration sensor which is changed by a series of movements fram th
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`e mastication of the subject to the swallowing. The burden on the subject can be minimize
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`d to the minimum of attaching an acceleration sensor to at least one of the masseter porti
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`on or the mental region and the jaryngeal portion, and a series of movements from the ma
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`stication of the subject to swallowing can be observed, and the function of eating (chewing
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`and swallowing} can be measured,
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`[Best mode for carrying out the invention]
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`(0013)
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`This embodiment of the invention is described with reference to Drawings.
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`[0014]
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`FIG. 1 is a system configuration diagram showing an embodiment of a feeding function me
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`asuring device according to the present invention, and the feeding (mastication and swallo
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`wing) function measuring device 10 includes an acceleration sensor 20 and a device body
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`30.
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`f0015]
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`A battery 40 is attached to the apparatus main body 30, and an external memoary 50 is det
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`

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`achably attached, and a personal computer (e.g., a notebook personal computer) 60 and a
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`printer 70 are connected to the apparatus main body 1. Then, the whole of the system is ¢
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`onfigured as a system including a feeding (chewing and swallowing) function measuring de
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`vice 10.
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`[0016]
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`As the acceleration sensor 20, a 1 axis (1 dimensional) acceleration sensor or a 2 axis (2 d
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`imensional) acceleration sensor can be used.
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`(0017)
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`3 axis (three dimension} * from which one sensor detects the acceleration of the three dire
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`ctions of the X-axis, a Y-axis, and the Z-axis
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`A speed sensor can also be used as the acceleration sensor 20, in which case a gravity co
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`mponentis simultaneously detected.
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`[0018]
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`in the following description, a 3 axis acceleration sensor is used as the acceleration sensor
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`20 for convenience, but it goes without saying that a substantially similar description appli
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`es even ifa i axis acceleration sensor or a 2 axis acceleration sensor is used.
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`[0019]
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`In order to enable the acceleration sensor, I. e., the 3 axis acceleration sensor 20, ta be m
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`ounted at 4 positions, I. e., the right and left masser muscles, the mental region, and the |!
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`aryngeal portion of the subject 1, the apparatus body 30 Is provided with 4 3 axis accefera
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`tion sensors 20 ( 20a,20b,20c,20d }, That is, 4 3 axis acceleration sensor cards are assem
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`bled into 1 via a winder 25 of these cables and connected to the main assembly 30 of the
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`apparatus by a connector 20a,20b,20c,20d .
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`[0020]
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`As shown in FIG. 2, the apparatus body 36 includes a buffer amplifier 31x,31y,31z that rec
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`eives an X-axis signal, a Y-axis signal, and a Z-axis signal from the 3 axis acceleration sens
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`or 20 at an amplification degree of a gain of 1, respectively. The buffer amplifier 31x,31y,3
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`Lz has a high impedance, a low impedance, and an interference between the X-axis signal,
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`the Y-axis signal, the Z-axis signal, and the Z-axis signal from the 3 axis acceleration sens
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`er 20.
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`[0021]
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`Further, the apparatus main body 30 includes a high-pass filter 32x,32y,32z at a downstre
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`am stage of the buffer amplifier 3ix,3ly,31z. When a subject 1 performs a mastication op
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`eration, a change in the inclination, shake, or the like of a face other than a masticatory m
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`ovement is detected by a 3 axis acceleration sensor 20. At this time, the angle of inclinatio
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`n causes the X-axis signal, the Y-axis signal, and the ¢-axis signal to appear as changes in
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`the DC component respectively.
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`[0022]
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`Therefore, only the X-axis signal, the Y-axis signal, and the Z-axis signal due to the mastic
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`ation motion are collected as data, and the DC components are cut off by the high-pass filt
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`

`

`er 32x,32y,322 so that the inclination, the shake, and the like of the face do not enter the
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`X-axis signal, the Y-axis signal, and the Z-axis signal. At this time, it was confirmed that th
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`e time constant = about 0.41 sec is an optimum value.
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`[0023]
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`When it is desired to capture a slow motion as an X-axis signal, a Y-axis signal, or a Z-axis
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`signal, a time constant is increased, and when only an early motion is desired to be captur
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`ed as an X-axis signal, a Y-axis signal, and a Z-axis signal, a time constant is reduced.
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`(0024)
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`if a direct current component (gravity companent) is required depending on the type of m
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`easurement, it is also possible to disable the high-passfilter 32x,32y,32z by short-circuitin
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`g the capacitor of the high-pass filter 32x,32y,32z .
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`[0025]
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`Further, the device main body 30 includes an amplifier circuit (buffer amplifier} 33x,33y,33
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`z at a stage subsequent to the high pass filter 32x,32y,32z . As with the case of the buffer
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`amplifier 33x,33y,33z2 , these amplifier circuit 31x,31y,31z avoid interference between the
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`high-pass filter 32x,32y,32z and the A/ D converter at the subsequent stage. Further, the
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`amplifier circuit 33x,33y,33z amplifies the signal level input to the A / D converter to a lev
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`el required by the A/ D converter,
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`[0026]
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`Further, the apparatus main body 30 includes an A / D converter 34x,34y,34z at a stage su
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`bsequent to the amplifier circuit 33x,33y,33z . An output signai of the 3 axis acceleration s
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`ensor 20 is an analog signal of 1 G = 0.333 V, and it is necessary to digitize it to be collect
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`ed as data, so that an A / D converter 34x,34y,34z is used,
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`[0027]
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`As the A/D converter 34x,34y,34z , for example, 1 bits = 0.153 m is used.
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`Sufficient data can be collected under conditions of V (16 bit converter) and sampting time
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`= 2 msec,
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`(0028)
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`Such buffer amplifier 31x,31y,31z A high pass filter 32x,32y,32z , an amplifier circuit 33x,
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`33y,332 , and an A / D converter 34x,34y,342 are configured as a measuring unit 35 that
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`measures the feeding (chewing and swallowing) of a subject 1.
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`[0029]
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`Then, the apparatus main body 30 includes a total of 4 measuring units 35 (a 20a,20b,20
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`c,20d } corresponding to 4 3 axis acceleration sensor 35a,35b,35c,35d . The measurement
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`section 356,35c,35d other than the measurement section 35 a for the 3 axis acceleration s
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`ensor 20 a has the same configuration as that of the measurement section 35 a, and thus
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`detailed Hlustration thereof is omitted.
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`[0030]
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`in addition, the apparatus main body 30 has a bus interface 36 which is necessary to colle
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`ct data obtained by digitizing the output signal of the 3 axis acceleration sensor 20 to the
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`

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`personal computer 60.
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`(0031)
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`Further, the apparatus body 30 includes an external measurement start / stop switch 37 soa
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`that a user of the apparatus (e.g., a dentist) can start and stop measurement while lookin
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`g at the state of the subject 1. The external measurement start / stop switch 37 may be co
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`nstituted by, for example, an ON-OFF type neutral toggle switch.
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`[0032]
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`in FIG. 1, a battery 40 includes am AC adapter 41, and is charged from an AC power source
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`e via an AC adapter 41 to supply DC power to the apparatus body 30.
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`[0033]
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`The external memory 50 is capable of storing data obtained by digitizing an output signal
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`of the 3 axis acceleration sensor 20, and is capable of taking in and processing data once s
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`tored in the external memory 50 into the personal computer 60.
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`[0034]
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`The personal computer 60 has a function of a main operation panel and a graph display of
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`the feeding function measuring device 10, and has a configuration in which an appropriate
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`program is installed so that all necessary operations can be performed by a keyboard of th
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`e personal camputer 60.
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`[0035]
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`The original data collected by the personal computer 60 is a total of 12 of 3 axes obtained
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`from 4 3 axis acceleration sensor axes. 20a,20b,20c,20d .
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`[0036]
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`Since a meaningful axis (X axis, Y axis, and Z axis} of meaningful data js different by the p
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`ortion of the subject 1 to which the 3 axis acceleration sensor 20 is mounted, 12 data is co
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`llected.
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`[0037]
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`Further, a name which can quickly identify data collected for each subject 1 can be added.
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`[0038]
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`The original data collected by the personal computer 60 is an acceleration waveform. In th
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`e acceleration waveform, a peak of the signal waveform may be generated 2 times per one
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`reciprocation of the 3 axis acceleration sensor 20, which may be difficult to understand. Th
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`us, the program integrates the acceleration waveform once. Since the velocity waveform b
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`ecomes a velocity waveform after integration, it becomes easy to associate an actual opera
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`tion state.
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`[0039]
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`On the basis of the speed waveform, a chewing operation is automatically measured, such
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`as a number of times of mastication, a waveform amplitude, a speed (a time of one recipr
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`ecatian of a chewing operation), and the like, and an amplitude, a number of times, and th
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`e like are automatically measured regarding a swallowing operation.
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`[0040]
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`

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`The printer 70 prints out a result of measurement of data by the personal computer 60, an
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`analysis result, and the like on a sheet.
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`[0041]
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`FIG. 3 shows the mounting positions of the 4 3 axis acceleration sensor 20a,20b,20c,20d ,
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`and FIG. 3 (a) shows a state in which 2 3 axis acceleration sensors (for example, 20 a and
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`20 b} are mounted on the right and left masser muscles of the subject 1, and 1 3 axis acce
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`leration sensors (for example, 20 d) are mounted on the larynx. In this mounted state, it i
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`s possible to measure the number of chewing, the speed (the time of one reciprocation of t
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`he chewing action), and the like regarding the biting action of the subject 1, and to measu
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`re the amplitude, the number of times, and the like regarding the swallowing action.
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`[0042]
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`FIG. 3 b shows a state in which 1 3 axis acceleration sensors (e.g., 20 c) are mounted ont
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`he mental region of the subject 1 and 1 3 axis acceleration sensors {e.g., 20 d) are mount
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`ed on the larynx. In this mounted state, it is possible ta measure the number of times, the
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`waveform amplitude, the speed (the time of ane reciprocation of the biting action), and th
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`e like regarding the biting action of the subject 1, and to measure the amplitude, the num
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`ber of times, and the like regarding the swallowing action,
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`[0043]
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`FIG. 3 (c) shows a state in which 2 3 axis acceleration sensors (for example, 20 a and 20
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`b) are attached to the right and left and right teeth of the subject 1, 1 3 biaxial acceleratio
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`n sensors (e.g., 20 c}) are mounted on the mental region, and 1 3 axis acceleration sensors
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`{e.g., 20 d} are mounted on the larynx. In this mounted state, it is possible to measure th
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`e number of times of mastication, the amplitude of the waveform, the speed (the time of o
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`ne reciprocation of the chewing action), and the like regarding the biting action of the subj
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`ect 1, and to measure the amplitude, the number of times, and the like regarding the swall
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`owing action.
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`(0044 ]
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`In addition, in FIGS. 3 b and 5c,it is also possible to mount 1 3 axis acceleration sensors
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`{e.g., 20 c) in place of the lower jaw other than the mental region instead of the mental re
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`gion of the subject 1.
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`[0045]
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`FIG, 4 is a diagram showing a measurement screen 80 of the feeding function measuring a
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`pparatus 10, and a mental region data display unit 81, a masser muscle unit (right) data d
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`isplay unit 82, a masser muscle unit (left} data display unit 83, and a laryngeal unit datadi
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`splay unit 84 are arranged in this order from the top.
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`[0046]
`
`in the measuring image plane 80, the operation at the time of a mental regian, a masseter
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`part (right), a masseter part Cleft}, the pars laryngea pharyngis, and each food intake (dig
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`estion and deglutition) is caught on a time-axis. In other words, the operations of the men
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`tal region, the masser muscle partion Cright}, the masser muscle portion {left}, and the lar
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`yngeal portion are graphically displayed on the sare time axis common to them.
`
`

`

`[0047]
`
`The vertical axis is acceleration data, and actually, the X axis, the Y axis, and the 2 axis ar
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`e overlapped and displayed simultaneously. This is a very well suited method for overall ac
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`quisition of a series of actions fram chewing of the subject 1 to swallowing, and can be tak
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`en as a signal when moving in any direction. However, in FIG. 4, only 1 axes (one of the *-
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`axis, the Y-axis, and the Z-axis) are shown for each of the mental region, the masser musc
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`le portion (right), the masser muscle portion (left}, and the larynx portion.
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`(0048)
`
`Data is collected by monitoring the actual operation and the waveform in feeding (chewing
`
`and swallowing) of a subject 1 and monitoring the start and the end.
`
`[0049]
`
`FIG. 5 is a diagram showing an analysis screen 90 of the feeding function measuring appar
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`atus 10, and an analysis data {data to be analyzed ; e.g., mental region data) display unit
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`91, an integration analysis result display unit 92, and an original force analysis data displa
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`y unit 93 are arranged in order from the top,
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`[0050]
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`Analysis screen 90 analyzes analysis data (e.g., mental region data) on a time axis.
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`[0051]
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`In the integration analysis result, attention is paid to 1 axes (any of the X-axis, the Y-axis,
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`and the Z-axis} of the 3 axis acceleration sensor 20 of the site to be analyzed (the mental
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`region, the masseter part (right), the masser part (left}, and the laryngeal part), and the o
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`btained acceleration data is integrated. By integrating, the speed change data of the motio
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`nis converted into speed data, and the mastication operation is seen. Thus, it is possible t
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`Oo quantitatively grasp the number of mastication, the rapidity of chewing at the time of ma
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`stication, and the magnitude of change of the jaw.
`
`[0052]
`
`in these mastication operations, attention is given to which of the X-axis, the Y-axis, and t
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`he Z-axis is focused on by the partion to which the 3 axis acceleration sensor 20 is attache
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`d. For any axis, it is possible to select and analyze.
`
`[0053]
`
`it is also possible to confirm the drawing data of the 3 axis analysis af FIG. 6, and to select
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`an effective axis.
`
`[0054]
`
`The original force analysis data determines the degree of activity of chewing during mastic
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`ation. Specifically, the output of the 3 axis acceleration sensor 20 is converted into an abso
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`lute value, and the values of the X axis, the Y axis, and the Z axis are added and determin
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`ed.
`
`fooss]
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`FIG, 6 is a diagram showing an analysis screen 100 of the feeding function measuring devi
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`ce 10, and the graph shown in FIG. 6 is a graph in which each output of the X axis, the Ya
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`

`

`xis, and the Z axis of the 3 axis acceleration sensor 20 is plotted on a pseudo 3 dimension
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`al coordinate system.
`
`[0056]
`
`This analysis example is an example of 3 dimensional analysis of the 3 axis acceleration se
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`nsor 20 attached to the mental region of the subject 1 as shown in FIGS. 7 a and 2 6, and
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`best shows the effectiveness of the 3 axis acceleration sensor,
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`P0057]
`
`it is possible to use the drawing data as an acceleration obtained by measurement or an in
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`tegrated value.
`
`[0058]
`
`in the graph shown in FIG. 6, a reciprocating motion during mastication is represented in
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`3 dimensions of an X-axis, a Y-axis, and a Z-axis. As shown in FIG. 8,
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`in this graph, the XY
`
`axis expansion (FIG. 8 (a)}, the YZ axis development (FIG. 8 (b}), and the ZX axis develop
`
`ment (FIG. 8 (c}} are possible, An abnormal masticatory motion draws a characteristic traj
`
`ectory on the XY plane or on the YZ plane or on the 2X plane due to its abnormal location.
`
`These trajectories are compared with the trajectory waveform of the normal masticatory m
`
`otion, so that abnormality determination can be easily performed,
`
`[0059]
`
`As described above, the eating function measuring device 10 is attached to at least one of
`
`the masseter partion or the mental region of the subject 1, and an acceleration sensor 20
`
`{e.g., 20 a, 20 b, or 20 c} for measuring a masticatory movement, and an acceleration sen
`
`sor 20 (e.g., 20 d) that jis attached to a laryngeal portion of the subject 1 and measures a
`
`swallowing movement. A measuring part 35 which measures the feeding (chewing and swa
`
`lowing) function of the subject 1 is provided on the basis of the output of each of the accel
`
`eration sensors 20 which is changed by a series of movements from mastication of the sub
`
`ject 1 to swallowing. The burden of the subject 1 can be suppressed to a minimum only by
`
`attaching an acceleration sensor 20 to at least one of the massetem part or the mental reg
`
`ion and the laryngeal part, and a series af movements from mastication of the subject i to
`
`swallowing can be observed and the function of feeding (chewing and swallowing) can be
`
`measured,
`
`[0060]
`
`Further, the feeding function measuring device 10 includes an acceleration sensor 20 (e.g.,
`
`20 c) which is attached to the lower jaw of the subject 1 and measures a masticatory mov
`
`ement, and an acceleration sensor 20 (e.g., d) which is attached to the larynx of the subje
`
`ct i and measures the swallowing movement. 20 A measuring unit 35 for measuring the fe
`
`eding (chewing and swallowing) function of a subject is provided on the basis of the output
`
`of each of the acceleration sensors 20 which is changed by a series of movements from th
`
`e mastication of the subject 1 to the swallowing, so that the burden on the subject 1 is red
`
`uced.
`
`it is possible to minimize only the attachment of the acceleration sensor 20 to the larynx,
`
`

`

`and to observe a series of movements from mastication to swallowing of the subject 1 and
`
`to measure the function of eating (chewing and swallowing).
`
`[Brief Description of the Drawings]
`
`(0061]
`
`[Fig. 1]FIG. i is a system configuration diagram showing an embodiment of a feeding func
`
`tion measuring apparatus according to the present invention :.
`
`[Fig. 2]1t is a measuring part block diagram of a food intake functional measuring device.
`
`[Fig. 3]FIG. 3 is a schematic diagram showing an acceleration sensor mounting position of
`
`a feeding function measuring device >.
`
`[Fig. 4]FiG. 4 is a diagram showing a measurement screen of a feeding function measurin
`
`g device ;.
`
`[Fig. 5]FIG. 4 is a diagram showing an analysis screen of a feeding function measuring dev
`
`
`
`ice 5.
`
`ice >.
`
`[Fig. S|FIG, 4 is a diagram showing an analysis screen of a feeding function measuring dev
`
`[Fig. 7]FIG. 4 is a diagrarn showing a relationship between an axis of an acceleration senso
`
`rand a mounting position ;.
`
`[Fig, 8\FIG. 4 is a diagram illustrating (a) XY axis expansion, (b} YZ axis development, and
`
`{c} ZX axis development of an analysis screen of FIG. 6 ;.
`
`{Explanation of letters or numerals]
`
`{0062 ]
`
`1 subjects
`
`10 feeding (chewing and swallowing) function measuring device
`
`20 ( 20a,20b,20c,20d ) acceleration sensor (3 axis acceleration sensor)
`
`25 cable winder
`
`30 Main Device
`
`31x,31y,31z buffer amplifier
`
`32x,32y,32z2 highpass filter
`
`33x,33y,33z
`
`amplifying circuit (buffer amplifier)
`
`34x,34y,34z A/D converter
`
`35 ( 35a,35b,35c,35d } measuring unit
`
`36 Bus Interface
`
`37 External Measurement Start / Stop Switch
`
`40
`
`50
`
`60
`
`70
`
`80
`
`Battery
`
`External Memory
`
`Personal Computer (for example, Notebook Computer}
`
`Printer
`
`Measuring Image Plane
`
`81 mental region data display unit
`
`82 masser portion (right) data display portion
`
`83 masser portion (left} data display portion
`
`

`

`84 laryngeal data display
`
`90 Analysis Screen
`
`91 analysis data display unit
`
`92 integration analysis result display unit
`
`93 way force analysis data display unit
`
`100 Analysis Screen
`
`
`
`
`
`Copyright JPO and INPIT
`
`(PO201)
`
`

`

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