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WO2021157387A1 - Dispositif et procédé de formation de masse alimentaire - Google Patents

Dispositif et procédé de formation de masse alimentaire Download PDF

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Publication number
WO2021157387A1
WO2021157387A1 PCT/JP2021/002236 JP2021002236W WO2021157387A1 WO 2021157387 A1 WO2021157387 A1 WO 2021157387A1 JP 2021002236 W JP2021002236 W JP 2021002236W WO 2021157387 A1 WO2021157387 A1 WO 2021157387A1
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WO
WIPO (PCT)
Prior art keywords
food
bolus
peripheral wall
forming apparatus
pair
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2021/002236
Other languages
English (en)
Japanese (ja)
Inventor
充 東森
大輝 橋本
龍馬 高橋
曉秀 柴田
雄也 長畑
昌晴 橋本
里奈 清水
真理子 堀田
涼平 渡邊
賀美 井上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
J Oil Mills Inc
University of Osaka NUC
Original Assignee
Osaka University NUC
J Oil Mills Inc
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.)
Filing date
Publication date
Application filed by Osaka University NUC, J Oil Mills Inc filed Critical Osaka University NUC
Priority to JP2021575721A priority Critical patent/JPWO2021157387A1/ja
Publication of WO2021157387A1 publication Critical patent/WO2021157387A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food

Definitions

  • the present invention relates to a bolus forming apparatus that repeatedly presses food to form a bolus, and a method for forming a bolus.
  • the masticatory ability estimation device of Patent Document 1 calculates the surface area of masticatory gummy jelly by analyzing the captured image of the bite fragment of gummy jelly after mastication. Then, the control unit (masticatory ability estimation unit) estimates the masticatory ability based on the total surface area of the plurality of bite fragments calculated by the feature amount calculation unit (Patent Document 1 / paragraph 0042, FIG. 1).
  • the texture evaluation system of Patent Document 2 is a pressing device for pressing a sample to be evaluated for texture, and a measuring device (pressure) for measuring a change over time in the pressure distribution received from the sample when the sample is pressed. It is provided with a texture evaluation means (control PC) that controls the pressing operation by the pressing device and evaluates the texture of the sample based on the pressure distribution data from the pressure distribution sensor.
  • control PC controls the pressing operation by the pressing device and evaluates the texture of the sample based on the pressure distribution data from the pressure distribution sensor.
  • This pressing device has a pair of upper and lower plates, a pressure distribution sensor is placed on the upper surface of the lower plate, and a sample is placed on the pressure distribution sensor.
  • the upper plate is provided at a position facing the pressure distribution sensor in the vertical direction and is connected to the linear slider.
  • the linear slider is driven in the vertical direction with respect to the pressure sensor surface in response to the pressing operation control signal from the control PC. Therefore, the pressing operation of the sample can be controlled (Patent Document 2 / paragraphs 0022 to 0028, FIG. 1).
  • the present invention has been made in view of such circumstances, and an object of the present invention is to provide a bolus forming apparatus capable of efficiently forming a bolus and reproducing chewing performed by a person.
  • the bolus forming apparatus of the present invention is arranged so as to face each other and is arranged between a pair of pressing portions that press the foods in close proximity to each other and the pair of pressing portions to disperse the foods. It is characterized by including a flexible peripheral wall portion that suppresses the peripheral wall portion, a throttle portion that narrows the space inside the peripheral wall portion, and a drive portion that drives the pair of pressing portions and the throttle portions alternately or simultaneously. ..
  • the bolus forming device of the present invention drives a pair of pressing portions by a driving portion to press the food so that a person bites.
  • the bolus forming device includes a peripheral wall portion that suppresses the dispersal of food and a squeezing portion that narrows the space inside the peripheral wall portion.
  • the food is pushed back to the center of the peripheral wall portion and is always pressed by a pair of pressing portions.
  • a bolus is formed by collecting the pressed foods, so that the bolus forming apparatus can reproduce the chewing performed by a person.
  • the peripheral wall portion is preferably an elastic band.
  • the peripheral wall portion is an elastic band-shaped body in which an elastic body such as a rubber material is formed into a band shape. Therefore, when the space inside the peripheral wall portion is squeezed by the squeezing portion, the main bolus forming device can efficiently collect the separated foods.
  • peripheral wall portions are attached to the tips of the pair of pressing portions, respectively.
  • peripheral wall portion Since the peripheral wall portion is attached to the tips of the pair of pressing portions, it functions as a barrier that is difficult to disperse when the food is pressed.
  • the throttle portion is composed of two sets of roller pairs that sandwich the peripheral wall portion and are close to each other in a direction orthogonal to the pressing direction of the pair of pressing portions.
  • the throttle portion is composed of a pair of rollers that move in a direction orthogonal to the pressing direction of the pressing portion, and the space inside the peripheral wall portion is narrowed by driving and bringing the two sets of roller pairs close to each other.
  • the main bolus forming apparatus can form a bolus from discrete foods.
  • the two sets of roller pairs are staggered so as to be misaligned with each other when they are close to each other.
  • the main bolus forming device can collect the separated foods while causing the movement of stirring the foods when the roller pairs are close to each other.
  • a water supply unit for supplying water is provided inside the peripheral wall portion.
  • this bolus forming device is provided with a water supply unit, it is possible to supply water equivalent to saliva to the food inside the peripheral wall portion. As a result, the bolus-forming device can easily make the food into a lump and bring it closer to the state of being chewed by a person.
  • the facing surfaces of the pair of pressing portions have a concavo-convex shape that fits each other when they are close to each other.
  • the facing surfaces of the pair of pressing portions have a concavo-convex shape that fits with each other when they are close to each other like human teeth. As a result, the bolus forming apparatus can efficiently crush the food.
  • the bolus forming apparatus of the present invention includes an imaging unit that images the inside of the peripheral wall portion.
  • this bolus forming device is provided with an imaging unit, it is possible to image food or bolus inside the peripheral wall portion. Thereby, the bolus forming apparatus can evaluate the progress of the chewing state of the food from the still image or the moving image.
  • the bolus forming apparatus of the present invention is provided with a temperature adjusting unit for adjusting the temperature inside the peripheral wall portion.
  • this bolus forming device is equipped with a temperature control unit, the temperature inside the peripheral wall portion can be set to a temperature close to that of a person's oral cavity, or the temperature can be changed according to the type of food to check the solubility of the food. can do.
  • the bolus forming apparatus described in any of the above is used.
  • a pair of pressing portions are driven to press the food so that a person bites.
  • the food is pushed back to the center of the peripheral wall portion and is always pressed by the pair of pressing portions. Since a bolus of pressed food is formed, this method can reproduce the chewing performed by a person.
  • FIG. 2 is a perspective view of a main part of the prototype of FIG. Enlarged view of the prototype artificial tooth of FIG. The figure explaining the operation mechanism of the prototype of FIG. (A) The figure (initial position) explaining the operation of the prototype of FIG. (B) The figure explaining the operation of the prototype of FIG. 2 (proximity state of artificial teeth).
  • FIG. 2 The figure explaining the operation of the prototype of FIG. 2 (proximity state of a pair of rollers). The figure (initial position) explaining the operation of the prototype of 2nd Embodiment.
  • B The figure explaining the operation of the 2nd Embodiment prototype (the approach state of a roller pair). The figure (1) explaining the state change of the actual food. The figure (2) explaining the actual state change of food.
  • FIG. 1 is a schematic view of the bolus forming apparatus 1 of the present embodiment.
  • the bolus forming device 1 shown in FIG. 1A is a device that reproduces the oral cavity of a person.
  • the bolus forming device 1 is formed by a pair of artificial teeth 2a and 2b that press the food F in the drawing, a peripheral wall portion 3 that acts as a cheek and a tongue that suppresses the dispersal of broken pieces of the food F, and a peripheral wall portion 3. It is composed of two sets of roller pairs 4a and 4b that control the size of the closed space S, and drive units 5a and 5b that drive the artificial teeth 2a and 2b and the roller pairs 4a and 4b, respectively (in the figure).
  • the artificial teeth 2a and 2b and the roller pairs 4a and 4b are in the initial positions).
  • the artificial teeth 2a and 2b are arranged so as to face each other, and the driving portion 5a performs an operation of approaching and separating from each other.
  • the food F for example, donut
  • the peripheral wall portion 3 is arranged between the artificial teeth 2a and 2b, it is possible to prevent the fragment of the food F from escaping to the outside of the peripheral wall portion 3.
  • the peripheral wall portion 3 is made of a strip-shaped flexible material.
  • the drive unit 5b operates the roller pairs 4a and 4b (the "squeezing unit” of the present invention) to narrow the closed space S by the peripheral wall portion 3, and collects the broken pieces of the food F into a bolus.
  • the peripheral wall portion 3 is formed of an elastic body such as a rubber material.
  • FIG. 1B shows a state when the artificial teeth 2a and 2b are brought into a close state by the driving unit 5a. This corresponds to the action of a person biting the food F, and the food F, which was initially solid, is crushed by the artificial teeth 2a and 2b and falls apart.
  • FIG. 1 (c) shows a state when the roller pairs 4a and 4b are brought close to each other by the drive unit 5b from the state of FIG. 1 (b) and the closed space S is narrowed down. This corresponds to the action of a person moving his cheeks and tongue to collect food F in his mouth.
  • the pressing operation by the drive unit 5a and the throttle operation by the drive unit 5b are executed alternately.
  • the drawing operation by the driving unit 5b may be executed, or the pressing operation and the drawing operation may be executed at the same time.
  • FIG. 2 is an overall perspective view of the prototype 100 of the bolus forming apparatus 1.
  • a main part 10, a heater 11, a spray 12, and a camera 13 are arranged in the housing of the prototype 100.
  • the main part 10 is a part composed of the above-mentioned artificial teeth, peripheral wall parts, rollers and the like, and repeatedly pressing food to form a bolus.
  • the heater 11 (“temperature adjusting unit” of the present invention) is a device connected to a power source 11a and flowing a current through a heating wire to adjust the temperature inside the housing. By providing the heater 11, the temperature inside the housing can be set to a temperature close to that of a person's oral cavity, and the ease of melting of food in the housing can be examined.
  • the spray 12 (“moisture supply unit” of the present invention) is a device that supplies water equivalent to saliva to food in a closed space S surrounded by a peripheral wall portion.
  • the spray 12 moves the water stored in the tank 12a to the upper part of the closed region S by the flow path 12b and sprays the food onto the food.
  • the spray 12 in the bolus forming device 1 the food tends to be in the form of a lump (food lump), and the inside of the housing can be brought closer to the state of being chewed by a person.
  • the camera 13 (“imaging unit” of the present invention) is arranged above the closed space S and can image food being pressed. This captured image (still image or moving image) is used to evaluate the degree of progress of the pressed state (chewing state) of the food.
  • FIG. 3A shows a perspective view of the main part 10 of the prototype 100 described above.
  • the artificial teeth 20a and the artificial teeth 20b are arranged to face each other, and the roller pair 40a and the roller pair 40b are attached to the movable portions 14a and 14b, respectively.
  • roller pairs 40a and 40b may be arranged so as to be offset from each other, but in this embodiment, the offset is 0. Further, the roller pairs 40a and 40b may be attached so as to be inclined with respect to the movable portions 14a and 14b.
  • the peripheral wall portion is composed of rubber belts 30a, 30b, 30c, and 30d having a height of 45.0 mm, respectively.
  • the rubber belt 30a passes through the opening of the movable portion 14a from the tip end portion of the artificial tooth 20a (the side facing the artificial tooth 20b) via the roller pair 40a, and is connected to the strut portion 16a.
  • the rubber belt 30b passes through the opening of the movable portion 14b from the tip end portion of the artificial tooth 20a via the roller pair 40b, and is connected to the strut portion 16b.
  • the rubber belt 30c passes through the opening of the movable portion 14b from the tip end portion of the artificial tooth 20b (the side facing the artificial tooth 20a) via the roller pair 40b, and is connected to the strut portion 16b. Further, the rubber belt 30d passes through the opening of the movable portion 14a from the tip end portion of the artificial tooth 20b via the roller pair 40a and is connected to the strut portion 16a.
  • the "tip portion” means the vicinity of the tip on the facing surface side of the artificial teeth 20a and 20b.
  • a rubber belt (particularly, a band-shaped body in which 30a and 30b are integrated and a band-shaped body in which 30c and 30d are integrated) may be attached to the most advanced portions of the artificial teeth 20a and 20b, respectively. Further, the rubber belt may not be attached to the artificial teeth 20a and 20b, and the rubber belt may be pressed from the outside by the artificial teeth 20a and 20b.
  • the peripheral wall portion may be a balloon-shaped elastic body integrated with the lower surface side instead of the rubber belt. It is preferable that the upper surface side is open because it is necessary to take in and out food and supply water corresponding to saliva.
  • FIG. 3B is an enlarged view of the artificial teeth 20a and 20b of the prototype 100 described above.
  • the artificial tooth 20a has a width of 10.0 mm and a convex protrusion formed in the center in the width direction of 2.5 mm.
  • the height of the artificial tooth 20a (in the Z-axis direction in FIG. 2) is 45.0 mm, which is the same as that of the rubber belts 30a to 30d (see FIG. 3A).
  • the artificial tooth 20b has a width of 10.0 mm and a concave depression formed in the center in the width direction of 2.5 mm, and fits with the artificial tooth 2a in the closest state.
  • the length of the protrusion is a numerical value calculated from the average value of the maximum height difference of the actual teeth (first to third molars). Further, even if the positions of the artificial teeth 20a and the artificial teeth 20b are exchanged, the pressing of the food is not affected, and there is an effect of efficiently crushing the food.
  • the artificial teeth 20a and 20b perform translational motion (1 degree of freedom) by the linear guides 15a and 15b.
  • a motor 50a is provided as a drive unit for the artificial teeth 20a and 20b.
  • the operation is transmitted to the artificial tooth 20a by the rack and pinion 18a, and the artificial tooth 20a and the artificial tooth 20b move in opposite directions (proximity separation).
  • roller pairs 40a and 40b perform translational motion (1 degree of freedom) by the linear guides 17a and 17b.
  • a motor 50b is provided as a drive unit for the roller pairs 40a and 40b. When the roller pair 40b is operated by the motor 50b, the operation is transmitted to the roller pair 40a by the rack and pinion 18b, and the roller pair 40a and the roller pair 40b operate in opposite directions (proximity separation).
  • FIG. 5A shows the initial state (initial position) of the main part 10.
  • the artificial teeth 20a and 20b and the roller pairs 40a and 40b are separated from each other.
  • all the rubber belts 30a to 30d have natural lengths without expansion and contraction.
  • the distance y between the center O of the closed space S and the tips of the artificial teeth 20a and 20b, and the distance x between the center O and the tips of the rollers 40a and 40b are 30 mm.
  • FIG. 5B shows a state in which the artificial teeth 20a and 20b are driven by the motor 50a (see FIG. 4) so that the artificial teeth 20a and the artificial teeth 20b are closest to each other.
  • the rubber belts 30a to 30d are all in a slack state. Food fragments move to the two closed spaces Sa and Sb, but the fragments do not leak out of the closed spaces Sa and Sb.
  • the artificial teeth 20a and 20b are returned to the initial positions by the motor 50a, and the rollers 40a and 40b are driven by the motor 50b (see FIG. 4) to drive the rollers 40a and 40b.
  • the rubber belts 30a to 30d are squeezed from both sides and are in the most stretched state.
  • the bolus forming device 1 can efficiently push back the separated foods to the center by controlling the closed space S, and repeatedly press the foods by the artificial teeth 20a and 20b.
  • the fragment of food first enters the upper and lower closed spaces Sc and Sd, but gradually gathers in the central closed space Se.
  • FIG. 6A shows the initial state (initial position) of the artificial teeth 20a and 20b of the main portion 110 and the two sets of roller pairs 45a and 45b.
  • the artificial tooth 20a and the artificial tooth 20b are arranged to face each other, and the roller pair 45a and the roller pair 45b are arranged to face each other.
  • the artificial teeth 20a and 20b are the same as those used in the first embodiment (see FIG. 3B), the distance y between the center O of the closed space S and the tips of the artificial teeth 20a and 20b is 30 mm, and the center O and the roller.
  • the distance x to the tip of the pair 45a and 45b is 35 mm.
  • the roller pairs 45a and 45b are arranged so as to be offset from each other so as to be misaligned in the direction perpendicular to the horizontal axis passing through the center O.
  • the offset distance D from the horizontal axis is 10 mm, but the distance D may be changed in the range of 0 to 10 mm.
  • the peripheral wall portion is composed of rubber belts 30a, 30b, 30c, and 30d having a height of 45.0 mm, respectively.
  • the rubber belt 30a passes through the opening of the movable portion 14a from the tip end portion of the artificial tooth 20a (the side facing the artificial tooth 20b) via the roller pair 45a, and is connected to the strut portion 16a.
  • the rubber belt 30b passes through the opening of the movable portion 14b from the artificial tooth 20a via the roller pair 45b and is connected to the strut portion 16b.
  • the rubber belt 30c passes through the opening of the movable portion 14b from the tip end portion of the artificial tooth 20b (the side facing the artificial tooth 20a) via the roller pair 45b, and is connected to the strut portion 16b. Further, the rubber belt 30d passes through the opening of the movable portion 14a from the artificial tooth 20b via the roller pair 45a and is connected to the strut portion 16a.
  • the bolus forming device 1 can collect the separated foods by pressing the artificial teeth 20a and 20b into a bolus. ..
  • FIG. 6B shows a state in which the rollers vs. 45a and 45b are driven by the motor 50b (see FIG. 4) so that the rollers vs. 45a and the rollers vs. 45b are closest to each other.
  • the rubber belts 30a to 30d are squeezed from both sides and are in the most stretched state.
  • the operation of the rollers vs. 45a and 45b has an effect of gathering the separated foods while causing the movement of stirring the foods (food lumps).
  • FIG. 7A (1) shows the initial state (initial position) of the artificial teeth 20a and 20b of the main portion 110 and the two sets of roller pairs 47a and 47b in the closed space S surrounded by the rubber belts 30a to 30d. Food F is placed.
  • 7B (10) to 7B (18) are the states after FIG. 7A (9), but the food F is always pressed by the artificial teeth 20a and 20b, and the separation progresses and becomes finer. Then, the food F (fragment fragment) is put together by the operation of the roller pairs 47a and 47b and the reduction of the closed space S by the rubber belts 30a to 30d, and finally the bolus G is formed (see FIG. 7B (18)). ..
  • the prototype 100 of the bolus forming apparatus 1 according to the present invention succeeded in forming the bolus G in the housing while pressing the food F like in the oral cavity of a person.
  • the bolus forming apparatus 1 for example, it becomes possible to investigate how a newly developed food is chewed by a person.
  • the progress of mastication can be easily evaluated by analyzing the image of the food F, the textures of a plurality of foods can be compared using the bolus forming apparatus 1. Although donuts were used as food F this time, the evaluation method is the same for other foods.

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

L'invention concerne un dispositif de formation de masse alimentaire permettant d'efficacement former une masse alimentaire et de reproduire la mastication par un être humain. Selon la présente invention, un dispositif de formation de masse alimentaire 1 comprend : une paire de dents artificielles 2a, 2b opposées l'une à l'autre permettant d'y comprimer un aliment par déplacement de va-et-vient l'une par rapport à l'autre ; une paroi environnante souple 3 disposée entre la dent artificielle 2a et la dent artificielle 2b permettant d'éviter la diffusion de l'aliment F ; une paire de rouleaux 4a, 4b permettant de rétrécir un espace fermé à l'intérieur de la paroi environnante ; et des unités d'entraînement 5a, 5b permettant d'entraîner les dents artificielles 2a, 2b et la paire de rouleaux 4a, 4b en alternance ou simultanément.
PCT/JP2021/002236 2020-02-07 2021-01-22 Dispositif et procédé de formation de masse alimentaire Ceased WO2021157387A1 (fr)

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JP2020-019597 2020-02-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009162731A (ja) * 2008-01-10 2009-07-23 Nippon Medical School 咀嚼模擬装置
JP2010539504A (ja) * 2007-09-17 2010-12-16 ユニベルシテ ドーブルニュ クレルモン １ 哺乳動物の咀嚼動作を擬態する装置
JP2013031650A (ja) * 2011-06-30 2013-02-14 Gifu Univ 摂食運動測定システムおよび測定方法
CN103558104A (zh) * 2013-11-13 2014-02-05 长江师范学院 基于耦合仿生的食品脆性测试仪及测试方法
CN107063904A (zh) * 2017-03-22 2017-08-18 吉林大学 一种仿咀嚼设备
CN111175191A (zh) * 2020-03-26 2020-05-19 江南大学 一种用于食品流变性检测的仿生咀嚼装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010539504A (ja) * 2007-09-17 2010-12-16 ユニベルシテ ドーブルニュ クレルモン １ 哺乳動物の咀嚼動作を擬態する装置
JP2009162731A (ja) * 2008-01-10 2009-07-23 Nippon Medical School 咀嚼模擬装置
JP2013031650A (ja) * 2011-06-30 2013-02-14 Gifu Univ 摂食運動測定システムおよび測定方法
CN103558104A (zh) * 2013-11-13 2014-02-05 长江师范学院 基于耦合仿生的食品脆性测试仪及测试方法
CN107063904A (zh) * 2017-03-22 2017-08-18 吉林大学 一种仿咀嚼设备
CN111175191A (zh) * 2020-03-26 2020-05-19 江南大学 一种用于食品流变性检测的仿生咀嚼装置

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TW202135680A (zh) 2021-10-01

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