WO2022224916A1 - Dispositif d'acquisition d'informations biologiques - Google Patents

Dispositif d'acquisition d'informations biologiques Download PDF

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Publication number
WO2022224916A1
WO2022224916A1 PCT/JP2022/017972 JP2022017972W WO2022224916A1 WO 2022224916 A1 WO2022224916 A1 WO 2022224916A1 JP 2022017972 W JP2022017972 W JP 2022017972W WO 2022224916 A1 WO2022224916 A1 WO 2022224916A1
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WO
WIPO (PCT)
Prior art keywords
contact
contact plate
information acquisition
sole
biological information
Prior art date
Application number
PCT/JP2022/017972
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English (en)
Japanese (ja)
Inventor
雅人 ▲高▼橋
徳道 津村
Original Assignee
合同会社画像技術研究所
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.)
Filing date
Publication date
Application filed by 合同会社画像技術研究所 filed Critical 合同会社画像技術研究所
Priority to JP2022549905A priority Critical patent/JP7253298B2/ja
Publication of WO2022224916A1 publication Critical patent/WO2022224916A1/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
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters

Definitions

  • the present invention relates to a biometric information acquisition device that acquires biometric information of a subject based on an image.
  • biometric information of a subject can be calculated from an image of the skin of the body.
  • a subject's pulse wave or the like can be calculated from an image of the sole of the foot.
  • the present invention has been made to solve the above problems, and is capable of obtaining an image of a skin portion without being affected by the shape of the skin portion to be photographed, and obtaining biometric information of a subject based on the obtained image. It aims at providing the biometric information acquisition apparatus which can acquire.
  • the present invention provides a transparent contact portion that comes into contact with a skin portion of the body, an illumination portion that irradiates light of a specific wavelength into the contact portion, and the contact that receives light from the illumination portion.
  • an image information acquiring unit that acquires image information of the skin portion that is in contact with the body, and acquires biological information of the subject based on the image information of the skin portion that is acquired by the image information acquiring unit.
  • the device is characterized in that, when the contact portion comes into contact with the skin portion, the contact portion deforms into a shape corresponding to the shape of the skin portion according to the pressure received from the skin portion.
  • the contact portion is formed in a plate shape, and the contact surface side of the contact portion that contacts the skin portion deforms into a shape corresponding to the shape of the skin portion according to the pressure received from the skin portion. , the surface opposite to the contact surface is not deformed even when the skin portion comes into contact with the contact surface.
  • the contact portion is formed from a plurality of layers with different flexibility.
  • the contact portion is made of elastomer, gel, or liquid.
  • the present invention it is possible to photograph without being affected by the shape of the object to be photographed, and it is possible to acquire biological information of the subject based on the acquired image.
  • FIG. 1 is an overall view showing the configuration of a biometric information acquisition device according to a first embodiment
  • FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the structure of the biometric information acquisition apparatus concerning 1st Embodiment
  • (A) is a top view
  • (B) is a front view.
  • 1 is an AA cross-sectional view of the biological information acquisition device according to the first embodiment
  • FIG. 2A is a side view of the contact portion of the biological information acquisition device according to the first embodiment, with a foot on the contact portion
  • FIG. It is a rear view of a contact part.
  • FIG. 2 is a flow diagram showing a flow when biometric information of a subject is acquired by the biometric information acquiring apparatus according to the first embodiment;
  • (A) is a diagram showing the back side of the contact portion of the biometric information acquisition device according to the first embodiment, and
  • (B) is a diagram different from the biometric information acquisition device according to the first embodiment. It is a figure which shows the back side of the contact part of a biometric information acquisition apparatus.
  • BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the structure of the biometric information acquisition apparatus concerning 1st Embodiment, (A) is a top view, (B) is a front view. It is an overall view showing the configuration of a biometric information acquiring apparatus according to a second embodiment.
  • FIG. 2A is a plan view showing the configuration of a biometric information acquisition device according to a second embodiment
  • FIG. 4B is a cross-sectional view taken along line BB of the biometric information acquisition device
  • FIG. 10A is a side view of the contact portion of the biological information acquisition device according to the second embodiment, with a forearm placed thereon
  • FIG. is a front view of the contact portion of the.
  • a biological information acquisition device 1 according to a first embodiment of the present invention will be described below with reference to FIGS. 1 to 7.
  • FIG. Unless otherwise specified, the directions (front-rear direction and left-right direction) in the embodiments described below are based on the direction of the sole of the subject's feet viewed from the person being photographed. That is, the direction viewed from a person who puts his/her foot on the biological information acquisition device 1 will be described as a reference.
  • the biometric information acquisition device 1 includes a main body 10, an image information acquisition section 20, a placement section 30, an illumination section 40, and a biometric information acquisition section 50. As shown in FIG. 1, the biometric information acquisition device 1 includes a main body 10, an image information acquisition section 20, a placement section 30, an illumination section 40, and a biometric information acquisition section 50. As shown in FIG. 1, the biometric information acquisition device 1 includes a main body 10, an image information acquisition section 20, a placement section 30, an illumination section 40, and a biometric information acquisition section 50. As shown in FIG.
  • the body portion 10 is a base portion of the biological information acquisition device 1 .
  • the body portion 10 has a bottom plate portion 11 and a column portion 12 .
  • the bottom plate portion 11 is formed in a rectangular shape in a plan view, and an RGB camera as an image information acquiring portion 20 is arranged on the bottom plate portion 11 .
  • the pillar portion 12 is composed of four pillars 12a, 12b, 12c and 12d which are rectangular parallelepipeds. Each of the pillars 12 a , 12 b , 12 c , 12 d extends upward from the bottom plate portion 11 and supports the mounting portion 30 .
  • the bottom plate portion 11 and the column portion 12 are made of stainless steel.
  • the image information acquisition section 20 is for capturing an image of the skin portion of the body placed on the placement section 30 . Further, in the present embodiment, the image information acquiring section 20 is composed of two cameras, the first RGB camera 20a and the second RGB camera 20b. The two RGB cameras 20 a and 20 b are arranged side by side near the center of the bottom plate portion 11 . In the present embodiment, the case where both feet F of the subject are placed on the placing section 30 will be described as an example, and the case where the sole S portion as the skin portion of the body is photographed will be described below as an example. .
  • the first RGB camera 20a photographs the sole S of the left foot LF
  • the second RGB camera 20b photographs the sole S of the right foot RF (see FIG. 1).
  • the RGB camera 20 (hereinafter simply referred to as a camera) includes a plurality of detection elements that are sensitive to the light intensity in the wavelength regions corresponding to each color of R (red), G (green), and B (blue), Image information can be acquired.
  • the placing section 30 is for placing the foot F thereon so as to photograph the sole S with the camera 20 .
  • the mounting portion 30 is composed of a frame portion 31 and a contact portion 32 .
  • the frame portion 31 supports the contact portion 32 that contacts the sole S, and as shown in FIG. A hollow portion 31a having a shape corresponding to the shape of the contact portion 32 is formed inside the frame portion 31 so that the contact portion 32 is fitted therein. Further, as shown in FIG. 3, the frame portion 31 has a support portion 31b projecting in the lateral direction for supporting the contact portion 32 fitted in the hollow portion 31a.
  • the frame portion 31 is made of stainless steel like the bottom plate portion 11 and the column portion 12 . The four corners of the frame portion 31 are supported by the four columns 12a, 12b, 12c, and 12d forming the column portion 12 (see FIGS. 1 and 2B).
  • the contact portion 32 is a portion with which the skin portion such as the sole S is brought into contact when the foot F is placed on the placing portion 30 .
  • the contact portion 32 is rectangular in plan view and formed in a plate shape (hereinafter, the contact portion 32 is referred to as a contact plate).
  • the contact plate 32 is fitted into a hollow portion 31a formed in the frame portion 31, and the side portions of the contact plate 32 are supported by the support portions 31b of the frame portion 31 (see FIG. 3). ).
  • the contact plate 32 is composed of two upper and lower layers, an upper layer portion 32a with which the foot F contacts and a lower layer portion 32b that supports the upper layer portion 32a.
  • the upper layer portion 32a of the contact plate 32 is the portion that contacts the sole S as described above, and is made of thermoplastic elastomers.
  • the upper layer portion 32a made of a thermoplastic elastomer has certain flexibility and elasticity.
  • the upper layer portion 32a is made transparent so that the light L emitted from the illumination portion 40 is transmitted through the upper layer portion 32a.
  • the lower layer portion 32b of the contact plate 32 is made of an acrylic plate.
  • the acrylic plate forming the lower layer portion 32b has a certain degree of hardness (rigidity) so that its shape does not change even if a person steps on the contact plate 32 (upper layer portion 32a).
  • the lower layer 32b does not have flexibility, and the lower layer (acrylic plate) 32b is made transparent.
  • the light L is also transmitted through the lower layer (acrylic plate) 32b. That is, the entire contact plate 32 is made transparent, and the light L is transmitted through the interior of the contact plate 32 .
  • the upper layer portion 32a and the lower layer portion 32b are integrally formed.
  • the soles S and the like that are in contact with the upper layer portion 32a can be seen through the acrylic plate that is the lower layer portion 32b. That is, the sole S in contact with the surface of the contact plate 32 can be seen from the back surface of the contact plate 32 (see FIG. 6A).
  • the illumination unit 40 illuminates the inside of the contact plate 32, and is configured by an LED lamp in this embodiment. As shown in FIGS. 1 and 3, the lighting section 40 is provided so that the side surface on the rear side of the contact plate 32 (upper layer section 32a) faces (contacts with) the light emitting surface. In this manner, the light L emitted from the illumination unit 40 is incident (enters) into the contact plate 32 from the rear side surface portion of the contact plate 32 . As shown in FIG. 4, the light L incident inside the contact plate 32 travels forward while being reflected inside the contact plate 32 .
  • the biometric information acquisition unit 50 is a personal computer (hereinafter simply referred to as a personal computer) for acquiring (calculating) biometric information of a subject (a person whose sole S is photographed) from image information captured by the camera 20 . 50 (see FIG. 1).
  • the personal computer 50 includes a server device 51 for processing and storing various information, a display 52 as a display device for displaying various images, and a keyboard, mouse, etc. (not shown) as operation devices.
  • a camera 20 and a display 52 are connected to the server device 51 , and image information is input from the camera 20 to the server device 51 .
  • the server device 51 is also connected to various devices such as the keyboard and the printer (not shown).
  • the server device 51 is configured with a control unit, a storage unit, and the like.
  • the control unit controls the overall operation of the biological information acquiring apparatus 1, such as control of each device connected to the server device 51 such as the camera 20 and the display 52, and control of the server device 51 itself.
  • the storage unit stores various information.
  • the control unit is configured with a CPU (Central Processing Unit) that is a processor, a ROM (Read Only Memory) that is a memory, a RAM (Random Access Memory), and the like. It is configured with a semiconductor memory such as SSD (Solid State Drive) or HDD (Hard Disk Drive).
  • CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • the control unit is designed to process and store various information.
  • the control unit calculates the biological information of the subject based on the image of the sole S captured by the camera 20, and the calculated biological information is stored in the storage unit.
  • the sole S is photographed with the camera 20 (STEP 10 and below, simply referred to as SOO).
  • both feet F (or one foot F) are placed on the placement section 30 .
  • the feet F are placed on the placing portion 30 so that the soles S of both feet F are in contact with the surface of the contact plate 32 (upper layer portion 32a) (see FIG. 1).
  • both feet F When both feet F are placed on the contact plate 32 as described above, the weight applied to both feet F, such as the total weight of the subject or the weight of the foot F portion, acts as a pressure pushing the contact plate 32. It will be transmitted.
  • the upper layer portion 32a that constitutes the contact plate 32 is made of thermoplastic elastomer having flexibility and the like, and the upper layer portion 32a is supported by the lower layer portion 32b, which is an acrylic plate having hardness. there is Therefore, the portion of the upper layer portion 32a that contacts the sole S is compressed and deformed into a shape corresponding to the shape of the sole S so as to sink downward in response to the pressure from both feet F (see FIG. 4). ). That is, the surface side of the contact plate 32 is deformed into a shape corresponding to the unevenness of the sole surface of the foot.
  • the contact plate 32 (upper layer 32a) with which the sole S contacts is made of a hard material (for example, a glass plate) that does not deform even when the foot F rests thereon, as in the conventional art.
  • the contact plate 32 does not come into contact with the concave portion of the sole S such as the arch of the foot (see FIG. 6B). That is, there is a portion that does not adhere to the surface of the contact plate 32 and the sole surface of the foot.
  • the surface side of the contact plate 32 deforms into a shape corresponding to the unevenness of the sole surface of the foot. As shown in FIG.
  • the lower layer portion 32b is made of an acrylic plate having a certain hardness. Therefore, as shown in FIG. 4, the lower layer portion 32b does not change its shape even if it receives pressure from both feet F through the upper layer portion 32a. That is, the back side of the contact plate 32 is not deformed.
  • the light L from the LED lamp 40 is incident on the contact plate 32 .
  • the light L that has entered the contact plate 32 from the rear side surface portion of the contact plate 32 (upper layer portion 32a) travels while being reflected by the front and rear surfaces of the contact plate 32 (see FIG. 4). ).
  • Part of the light L traveling through the contact plate 32 is diffusely reflected on the contact surface portion of the sole S in contact with the contact plate 32 (upper layer portion 32a).
  • part of the irregularly reflected light L is radiated from the back side of the contact plate 32 via the lower layer 32b, so that the back surface of the contact plate 32 (acrylic plate that is the lower layer 32b) is exposed to the sole S of the foot.
  • the shape of the ground contact surface is projected as if it were floating. That is, the sole S illuminated by the light of the LED lamp 40 can be seen on the back surface of the contact plate 32 , and in the present embodiment, substantially the entire area of the sole S including the arch of the foot is covered with the contact plate 32 . It can be seen from the back side (see FIG. 6(A)). Then, when the foot F leaves the contact plate 32, the surface of the contact plate 32 (upper layer portion 32a) that has been compressed and deformed is restored to its original planar shape.
  • the image information is stored in the memory, storage unit, etc. within the control unit of the personal computer 50 and read into the personal computer 50 (S20).
  • the control unit performs processing for extracting the G signal from the RGB signals in the image information (S30).
  • the G signal means a green component image signal
  • the R signal means a red component image signal
  • the B signal means a blue component image signal.
  • control unit performs signal smoothing processing for removing unnecessary signals, signal filtering processing for extracting signals of a specific frequency, periodic
  • signal smoothing processing for removing unnecessary signals
  • signal filtering processing for extracting signals of a specific frequency
  • periodic Various types of information processing such as peak detection processing for detecting the peak of the signal that changes to 1 is performed (S40).
  • control unit performs various types of information processing on the extracted G signal, and based on the information obtained therefrom, for example, calculates biological information such as the pulse wave of the subject, and also calculates the subject from the image of the sole S. It is also designed to measure the state of blood flow in the body (S50).
  • the display 52 displays data related to biological information such as the calculated pulse wave.
  • the contact plate 32 that comes into contact with the portion of the sole S is composed of two upper and lower layers of a thermoplastic elastomer having flexibility and an acrylic plate having a certain hardness, and the foot F is placed on the contact plate 32. Since the contact plate 32 is compressed and deformed into a shape corresponding to the unevenness of the sole surface, it is possible to bring the entire area of the sole S including the arch of the foot into close contact with the surface of the contact plate 32 (upper layer portion 32a). can. As a result, the light L of the LED lamp 40 entering the contact plate 32 can be applied to the entire area of the sole S including the arch of the foot. can be displayed, and a clear image of the entire area of the sole S can be acquired (photographed).
  • the contact plate is composed only of a non-flexible material such as a glass plate, the contact plate cannot be brought into close contact with the portion of the foot sole S such as the arch of the foot because the shape of the contact plate does not change. . Therefore, it is difficult to obtain a clear image of the part, and it becomes difficult to obtain biological information of the subject from the arch of the foot or the like.
  • the contact plate 32 by configuring the contact plate 32 as described above, it is possible to calculate the biometric information of the subject even at the arch of the foot. That is, the image of the sole S can be acquired without being affected by the shape of the sole S, and the biological information of the subject can be acquired based on the image.
  • the lower layer portion 32b of the contact plate 32 is made of an acrylic plate having a certain hardness, the flexible upper layer portion 32a can be supported.
  • the sole S can be photographed.
  • pressure is easily applied to the skin portion of the sole S. As a result, it becomes easier to change how the pressure is applied to the skin portion of the sole S, and it becomes easier to measure the state of change in blood flow.
  • the manufacturing cost of the contact plate 32 can be reduced compared to the case where the upper layer portion 32a is made of a thermosetting elastomer such as rubber. As a result, the manufacturing cost of the whole biometric information acquisition device 1 itself can also be reduced.
  • the G signal is extracted from the photographed image of the sole S, and various types of information processing such as smoothing, filtering, and peak detection are performed on the G signal. etc., but it is not limited to this.
  • the photographed image of the sole S is separated into each image of a melanin image representing the melanin component contained in the skin, a hemoglobin image contained in the skin, and a shadow image representing the shade of the skin, and the separated hemoglobin images are obtained. You may make it calculate a pulse wave etc. based on. This is because, as in the present embodiment described above, when the light L incident on the contact plate 32 illuminates the sole S, the light does not uniformly hit the sole S, so the light is not directly applied to the sole S.
  • spots of light are more likely to occur on the sole S than in the case of direct illumination.
  • the effect of the spot of light on the image can be suppressed by separating the image into the above three images and removing the shadow image from the three images.
  • Biometric information can be acquired based on the image.
  • the main body portion 10 is configured by the bottom plate portion 11 and the pillar portions 12 made up of four pillars, but the present invention is not limited to this.
  • it may be composed of a bottom plate and four wall plates. That is, any device may be used as long as the RGB camera 20 can be placed thereon and the mounting portion 30 and the lighting portion 40 can be supported.
  • the placement section 30 for putting the foot on is configured by the frame section 31 and the contact plate 32, but the configuration is not limited to this.
  • the mounting section 30 may be configured with only the contact plate 32 .
  • the lighting section 40 is provided on the side of the rear side of the contact plate 32 (upper layer section 32a), but the present invention is not limited to this.
  • the lighting units 40 may be provided on the front side of the contact plate 32 (upper layer 32a) or on the front, rear, left and right side of the contact plate 32 (upper layer 32a). In other words, any place may be used as long as the light L can enter the contact plate 32 .
  • two cameras 20a and 20b are arranged, and the sole S of the left foot LF is photographed by the first RGB camera 20a, and the sole S of the right foot RF is photographed by the second RGB camera 20b.
  • the sole S of the left foot LF is photographed by the first RGB camera 20a
  • the sole S of the right foot RF is photographed by the second RGB camera 20b.
  • one camera may photograph the soles S of the right foot RF and the left foot LF.
  • any camera may be used as long as it can photograph the sole S, and the number of cameras and their positions can be freely set.
  • the upper layer portion 32a is made of a thermoplastic elastomer, but it is not limited to this.
  • the upper layer portion 32a may be made of a thermosetting elastomer, or may be made of polymer network gel, polyacrylate, water, or the like in a transparent bag. That is, any material may be used as long as it is transparent and compressively deforms into a shape corresponding to the unevenness of the sole S according to the pressure from the sole S.
  • the upper layer 32a is made of a thermoplastic elastomer having flexibility and elasticity, and when the foot F is placed on the contact plate 32 (upper layer 32a), it is compressed and deformed according to the shape of the sole.
  • the surface of the contact plate 32 is restored to its original planar shape, but the present invention is not limited to this.
  • the surface of the contact plate 32 may not restore its original planar shape. That is, once compression deformation is performed, the shape may be maintained.
  • the contact portion 32 that contacts the sole S is configured in a plate shape, but the configuration is not limited to this.
  • the contact portion may be spherical. That is, any shape may be used as long as it can come into contact with the sole S of the foot.
  • the lower layer portion 32b is made of an acrylic plate, but the present invention is not limited to this.
  • the lower layer portion 32b may be made of a transparent glass plate. That is, any material may be used as long as it has a certain hardness and can support the foot F (upper layer portion 32 a ) when the foot F is placed on the contact plate 32 .
  • the contact plate 32 is composed of two layers of a thermoplastic elastomer and an acrylic plate, but it is not limited to this.
  • the contact plate 32 may be composed of three layers, such as an upper layer made of a thermoplastic elastomer, an intermediate layer made of a glass plate, and a lower layer made of an acrylic plate. That is, as long as the surface of the contact plate 32 deforms into a shape corresponding to the sole S, the contact plate 32 may be composed of any number of layers.
  • the illumination unit 40 is configured by an LED lamp that emits visible light, but the configuration is not limited to this.
  • the illumination unit 40 may be configured with a lamp that emits light having a wavelength different from that of visible light, such as an ultraviolet lamp that emits ultraviolet rays or an infrared lamp that emits infrared rays.
  • the RGB camera 20 is configured to photograph the sole S, but the configuration is not limited to this.
  • the sole S may be photographed with an infrared camera or the like. That is, any device may be used as long as it can acquire an image of the sole S placed on the contact plate 32 .
  • the pulse wave is calculated based on the image of the sole S as biological information, but the present invention is not limited to this.
  • oxygen saturation in blood may be calculated using the difference in absorption wavelength between oxyhemoglobin and deoxyhemoglobin in the near-infrared region.
  • any information may be used as long as it relates to the biological information of the subject.
  • the sole S is brought into contact with the contact plate 32 and the biometric information of the subject is calculated based on the image of the sole S, but the present invention is not limited to this.
  • the biometric information of the subject may be calculated based on the image of the skin of the forehead or chest. That is, it may be any part of the body as long as it is a skin part.
  • biometric information of a person who is a subject is obtained from the sole S of a person's foot as a skin portion, but the present invention is not limited to this.
  • biometric information of animals other than humans, such as chimpanzees and mice may be obtained from the skin of the animals.
  • the biological information acquiring apparatus 1 is placed on the floor or the like, and the foot F is placed on the placing portion 30 so that the sole S is brought into contact with the contact plate 32, but the present invention is not limited to this.
  • the biometric information of the subject may be calculated by bringing the skin of the forehead or chest into contact with the contact plate 32 while holding the biometric information acquisition device 1 in the hand.
  • load cells (load transducers) 60 for converting loads into electric signals may be provided between the columns 12a, 12b, 12c, 12d and the frame portion 31, respectively.
  • load cells 60 load transducers
  • the load cell 60 may be provided at any location as long as the pressure from the foot F in contact with the contact plate 32 can be measured.
  • the biological information acquisition device 1A according to the second embodiment includes a main body 10, an image It comprises an information acquisition section 20 , a placement section 30 , an illumination section 40 and a biological information acquisition section 50 .
  • the contact plate 33 constituting the mounting portion 30 of the biological information acquisition device 1A is made only of thermoplastic elastomer, unlike the biological information acquisition device 1 described above. That is, the contact plate 33 of the second embodiment is composed of only one layer of thermoplastic elastomer.
  • the skin portion of the body to be photographed is brought into contact with the surface of the contact plate 33 in order to photograph the skin portion with the camera 20 (S10 in FIG. 5).
  • the second embodiment as shown in FIG. 8, the case where the skin portion of the arm (forearm) A is brought into contact with the contact plate 33 will be described as an example.
  • the contact plate 33 is composed of only one layer of flexible thermoplastic elastomer. Therefore, when receiving pressure from the forearm A, the contact plate 33 bends so that the surface of the contact plate 33 in contact with the forearm A follows the skin portion of the forearm A, as shown in FIG. That is, the contact plate 33 is such that the surface side of the contact plate 33 that contacts the skin portion of the forearm A deforms into a shape corresponding to the curved surface of the forearm A. As shown in FIG.
  • the skin portion of the forearm A that is in contact with the surface of the contact plate 33 is projected by the light L incident on the contact plate 33 so as to be lifted.
  • the biological information of the subject is calculated (S20 to 50 in FIG. 5).
  • the contact plate 33 is composed only of a flexible thermoplastic elastomer, and the entire contact plate 33 including its surface bends along the curved surface of the forearm A according to the pressure from the forearm A. Therefore, a wide skin portion of the forearm A can be brought into close contact with the surface of the contact plate 33 .
  • the camera 20 can photograph a wide skin portion of the forearm A, and biometric information of the subject can be obtained from the skin portion of the forearm A.
  • the contact plate 33 is made of an inflexible glass plate or the like, its shape cannot be changed according to the curved surface of the skin of the forearm A.
  • the area of the skin portion of the forearm A that can be brought into contact with the contact plate 33 is limited (narrowed).
  • the contact plate 33 by configuring the contact plate 33 as described above, the skin portion of the forearm A can be brought into close contact with the surface of the contact plate 33 over a wide area, and biological information of the subject can be acquired from the image of the skin portion of the forearm A. can do.
  • the contact plate 33 is composed of only one layer of thermoplastic elastomer, the contact is greater than when the contact plate 33 is composed of, for example, a glass plate or when the contact plate 33 is composed of a plurality of layers made of a plurality of substances.
  • the weight of the plate 33 itself can be reduced, and the manufacturing cost of the contact plate 33 can also be reduced.
  • the overall weight of the biometric information acquisition device 1A can be reduced, so that, for example, the physical burden of touching the contact plate 33 with the skin while the biometric information acquisition device 1A is lifted can be reduced.
  • the manufacturing cost of the biological information acquisition device 1A can be reduced.
  • the contact plate 33 is made of a thermoplastic elastomer in the present embodiment, it is not limited to this. As in the first embodiment described above, for example, the contact plate 33 is made of a thermosetting elastomer, or the contact is made by putting polymer network gel, polyacrylate, water, or the like in a transparent bag.
  • a plate 33 may be configured. That is, any material may be used as long as it has transparency and deforms into a shape corresponding to the pressure from the forearm A when the forearm A contacts the contact plate 33 .
  • a load is applied between the pillars 12a, 12b, 12c, 12d and the frame 31.
  • a signal-changing load cell (load transducer) 60 may be provided for each
  • S sole (skin part) A forearm (skin part) 1, 1A biological information acquisition device 20 RGB camera (image information acquisition unit) 32, 33 Contact portion 40 LED lamp (illumination portion)

Abstract

La présente invention concerne un dispositif d'acquisition d'informations biologiques qui peut acquérir une image d'une partie de peau sans être affecté par la forme de la partie de peau à capturer et qui acquiert des informations biologiques concernant un patient sur la base de l'image acquise.　Le dispositif d'acquisition d'informations biologiques comprend une unité de contact qui présente une transparence et vient en contact avec une partie de peau du corps ; une unité d'éclairage qui émet une lumière d'une longueur d'onde spécifique dans l'unité de contact ; et une unité d'acquisition d'informations d'image qui acquiert des informations d'image concernant la partie de peau en contact avec l'unité de contact par rapport à laquelle la lumière provenant de l'unité d'éclairage est incidente, le dispositif d'acquisition d'informations biologiques acquérant des informations biologiques concernant un patient sur la base des informations d'image concernant la partie de peau acquise par l'unité d'acquisition d'image, lors de la mise en contact de la partie de peau, l'unité de contact étant déformée en une forme correspondant à la forme de la partie de peau en réponse à une pression donnée à partir de la partie de peau.
PCT/JP2022/017972 2021-04-19 2022-04-16 Dispositif d'acquisition d'informations biologiques WO2022224916A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01145785A (ja) * 1987-08-21 1989-06-07 Nec Corp 表面形状計測方法および装置
JPH10269341A (ja) * 1997-03-27 1998-10-09 Nec Corp 指紋検知装置および方法
JP2002123822A (ja) * 2000-10-16 2002-04-26 Casio Comput Co Ltd 指紋画像入力装置
JP2017217300A (ja) * 2016-06-09 2017-12-14 花王株式会社 皮膚毛細血管の観察方法
WO2021039923A1 (fr) * 2019-08-28 2021-03-04 学校法人東京理科大学 Dispositif d'estimation d'état anormal, dispositif d'estimation d'état de semelle, système et programme

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010194033A (ja) * 2009-02-24 2010-09-09 Panasonic Electric Works Co Ltd 生体情報計測装置
JP5426964B2 (ja) * 2009-08-26 2014-02-26 パナソニック株式会社 健康測定装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01145785A (ja) * 1987-08-21 1989-06-07 Nec Corp 表面形状計測方法および装置
JPH10269341A (ja) * 1997-03-27 1998-10-09 Nec Corp 指紋検知装置および方法
JP2002123822A (ja) * 2000-10-16 2002-04-26 Casio Comput Co Ltd 指紋画像入力装置
JP2017217300A (ja) * 2016-06-09 2017-12-14 花王株式会社 皮膚毛細血管の観察方法
WO2021039923A1 (fr) * 2019-08-28 2021-03-04 学校法人東京理科大学 Dispositif d'estimation d'état anormal, dispositif d'estimation d'état de semelle, système et programme

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BAKU TAKIMOTO, KOTATSU BITO, KAZUYA NAKANO, TAKASHI OHNISHI, HIDEAKI HANEISHI: "Development of observation system and quantitative evaluation method of blood perfusion distribution in human skin capillaries", IEICE TECHNICAL REPORT, MI, IEICE, JP, vol. 117, no. 518 (MI2017-95), 12 March 2018 (2018-03-12), JP, pages 105 - 108, XP009540434 *

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