Optical Measuring Device and Probe Holder Kit

Abstract

The probe unit (30) of the optical measuring device (100) includes: a base member (31), a light transmitting probe (32), a light receiving probe (33), a plurality of pin members (34), and a probe position holding portion (38a). The probe position holding portion (38a) holds the light transmitting probe and the light receiving probe so that the respective top ends (32a, 33a) of the light transmitting probe and the light receiving probe are located at a distance position (P1) farther from the head surface (91) than the top ends (34a) of the plurality of pin members, and is capable of releasing the position holding state of the light transmitting probe and the light receiving probe by the probe position holding portion.

Description

Technical Field

[0001] The present invention relates to an optical measuring device and a probe holder set, and more particularly to an optical measuring device and a probe holder set including a plurality of pin members for parting hair. Background Art

[0002] Conventionally, there is known an optical measuring device and a probe holder kit including a plurality of pin members for pushing away hair. Such a structure is disclosed in, for example, Japanese Patent No. 5610065.

[0003] The bracket kit of Japanese Patent No. 5610065 mentioned above includes a photobiometry bracket that is mounted on the head of a person being tested. The photobiometry bracket includes a main body. The main body is formed in an arc shape along the front of the head of the person being tested and is arranged so as to extend in the left-right direction of the head when viewed from the top of the head. In addition, the photobiometry bracket includes four first branches and one second branch that are arranged in a front-to-back direction of the head when viewed from the top of the head. One end of each of the first branch and the second branch is connected to the main body. The four first branches and the one second branch are arranged and arranged approximately parallel to each other when viewed from the top of the head. In addition, the first branch and the second branch are each formed in an arc shape along the surface of the head of the person being tested.

[0004] In addition, a plurality of through holes are provided in the plurality of first branches, arranged along the front-to-back direction of the head. The through holes are configured to allow probes (light-transmitting probes and light-receiving probes) to be inserted. The probes are arranged orthogonal to the surface of the head by being inserted into the through holes. Thus, by attaching the optical biometrics stand to the head, the probes inserted through the through holes are arranged on the surface of the head from which the hair has been parted by the other end of the first branch. In addition, the top end of the probe on the head side is arranged so as to protrude toward the head side more than the lower end (end on the head side) of the first branch. That is, the hair of the person being tested, to whom the optical biometrics stand is attached, is parted by the other end of each of the first and second branch parts while the top end of the probe protrudes toward the head side more than the lower end of the first branch part.

[0005] Prior art literature

[0006] Patent Literature

[0007] Patent Document 1: Japanese Patent No. 5610065 Summary of the Invention

[0008] Problems to be solved by the invention

[0009] However, in the holder kit described in Japanese Patent No. 5610065, the tip of the probe protrudes further toward the head than the lower end of the first branch. Consequently, hair may be caught between the tip of the probe and the head surface, hindering hair removal. In this case, it is difficult to place the probe on the head surface after the hair has been removed. Therefore, an optical measurement device and a probe holder kit that facilitate the placement of the probe on the head surface after the hair has been removed are desired.

[0010] The present invention has been made to solve the above-mentioned problems, and one object of the present invention is to provide an optical measuring device and a probe holder kit that can easily arrange a probe on the surface of a head after the hair has been parted.

[0011] Solutions for solving problems

[0012] To achieve the above-mentioned object, a first aspect of the present invention provides an optical measurement device comprising a probe unit held on the head of a person under test, the probe unit comprising: a base member; a light transmitting probe disposed so as to protrude from the base member toward the head surface of the person under test and irradiate measurement light toward the head surface of the person under test; a light receiving probe disposed so as to protrude from the base member toward the head surface and receive measurement light emitted from the head surface via the head interior; a plurality of pin members configured to be rotatable relative to a central axis of the base member and protruding from the base member toward the head surface and, by rotation, to part hair on the head surface; and a probe position holding portion that holds the light transmitting probe and the light receiving probe so that their respective tips are located at positions farther away from the head surface than the tips of the plurality of pin members, and is capable of releasing the position holding state of the light transmitting probe and the light receiving probe by the probe position holding portion.

[0013] The probe holder kit of the second aspect of the present invention comprises: a holder, which is mounted on the head of the person being tested; and a probe unit, which is held by the holder, the probe unit including: a base member; a light-transmitting probe, which is arranged in a manner protruding from the base member toward the surface side of the head of the person being tested, and irradiates the surface of the head of the person being tested with measuring light; a light-receiving probe, which is arranged in a manner protruding from the base member toward the surface side of the head, and receives the measuring light emitted from the surface of the head through the head; a plurality of pin members, which are configured to be rotatable relative to the central axis of the base member and protrude from the base member toward the surface side of the head, and by rotating, push away the hair on the surface of the head; and a probe position holding part, which holds the light-transmitting probe and the light-receiving probe so that the top ends of the light-transmitting probe and the light-receiving probe are located at a position farther away from the surface of the head than the top ends of the plurality of pin members, and can release the position holding state of the light-transmitting probe and the light-receiving probe by the probe position holding part.

[0014] Effects of the Invention

[0015] In the optical measuring device of the first aspect and the probe holder kit of the second aspect, as described above, the probe position holding portion holds the light transmitting probe and the light receiving probe so that their respective tips are located at a distance from the head surface relative to the tips of the multiple pin members. Thus, when the multiple pin members are used to part the hair, the probe position holding portion can hold the respective tips of the light transmitting probe and the light receiving probe in a distanced position. As a result, it is possible to prevent the hair from being caught between the tips of the light transmitting probe and the light receiving probe and the head surface during the parting, thereby preventing the parting process from being obstructed. As a result, the pin members can be used to more reliably part the hair. Thus, by releasing the position holding state of the probe position holding portion, the light transmitting probe and the light receiving probe can be easily positioned on the head surface after the hair has been parted.

[0016] In addition, since the hair is spread apart by rotating the plurality of pin members relative to the central axis of the base member, the hair can be spread apart regardless of the extending direction of the hair. As a result, the head surface can be exposed more reliably by using the rotating pin members to spread apart the hair. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic perspective view showing an optical measuring device and a probe holder set according to one embodiment.

[0018] Figure 2 This is a schematic diagram for explaining optical measurement by a light-transmitting probe and a light-receiving probe.

[0019] Figure 3 This is a block diagram showing the configuration of an optical measuring device according to one embodiment.

[0020] Figure 4 This is a perspective view showing the structure of the probe unit in a state where the cover member is not provided according to one embodiment.

[0021] Figure 5 FIG. 1 is a bottom view of a probe unit according to one embodiment.

[0022] Figure 6 This is a perspective view showing the structure of the probe unit in a state where a cover member is provided according to one embodiment.

[0023] Figure 7 It is a cross-sectional perspective view showing the structure of a cover member according to one embodiment.

[0024] Figure 8 This is a front view showing the structure of a probe unit according to one embodiment.

[0025] Figure 9 It is along Figure 5A cross-sectional view taken along line 500-500 of FIG. 1 (a cross-sectional view showing the structure of the probe unit in a position-holding state using a probe position holding portion).

[0026] Figure 10 yes Figure 4 A partial enlarged view of the area near the probe position holding portion.

[0027] Figure 11 yes Figure 9 A partial enlarged view of the area near the probe position holding portion.

[0028] Figure 12 This is a cross-sectional view showing the structure of the probe unit in a state where the position holding state by the probe position holding portion according to one embodiment is released.

[0029] Figure 13 yes Figure 12 A partial enlarged view of the area near the probe position holding portion.

[0030] Figure 14 It is a bottom view of the cover member of one embodiment.

[0031] Figure 15 This is a schematic side view of a probe unit for explaining an arrangement operation of probes according to one embodiment.

[0032] Figure 16 Schematic diagram showing a planar arrangement of a pin member and probes for explaining an arrangement operation of the probes according to one embodiment.

[0033] Figure 17 This is a schematic side view of a probe unit for explaining a hair lifting effect by a pin member according to one embodiment.

[0034] Figure 18 This is a schematic side view of the probe unit showing a state in which the distal end of the probe is brought into contact with the head surface according to one embodiment. DETAILED DESCRIPTION

[0035] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[0036] [Present embodiment]

[0037] First, refer to Figure 1 The overall structure of an optical measuring device 100 according to one embodiment will be described. Figure 1 As shown, the optical measurement device 100 irradiates measurement light onto the head surface 91 of the test subject 9 and detects the measurement light emitted from the head surface 91 via the inside of the head 90. The optical measurement device 100 measures changes in cerebral blood flow, which reflects the brain activity of the test subject 9, based on the intensity of the detected measurement light (the amount of received light).

[0038] The optical measuring device 100 includes a device body 1 and a probe holder set 2. The probe holder set 2 includes a holder 20 and a probe unit 30. The holder 20 holds the probe unit 30 and is attached to the head 90 of the person under test 9. That is, the probe unit 30 is held on the head 90 of the person under test 9.

[0039] The optical measurement device 100 includes a plurality of measurement probes (light-transmitting probes 32 and light-receiving probes 33) connected to the device body 1. The light-transmitting probes 32 irradiate measurement light onto the head surface 91 of the test subject 9. The light-receiving probes 33 receive the measurement light emitted from the head surface 91 via the inside of the head 90.

[0040] The plurality of measuring probes function as light transmitting probes 32 or light receiving probes 33, but the light transmitting probes 32 and the light receiving probes 33 have the same structure. The measuring probe is a probe that contacts or is inserted into a sample for measurement, experiment, etc. The measuring probe has one end connected to the device body 1 and the other end in contact with the head surface 91 of the person being tested 9. Figure 2 As shown, the device body 1 irradiates measurement light in the wavelength range of near-infrared light from the light-transmitting probe 32 arranged on the head surface 91 of the test person 9. Then, the device body 1 detects the measurement light incident from the light-receiving probe 33 arranged on the head surface 91. A measurement point (measurement channel 5) is formed by the area that becomes the path of the measurement light between a light-transmitting probe 32 and a light-receiving probe 33. The wavelength range of near-infrared light is, for example, above 700 nm and below 900 nm. The absorption rate of near-infrared rays in the biological body is relatively low, so the measurement light can reach the brain area in the head 90.

[0041] Here, reflecting the brain activity of the test subject 9, when the amount of hemoglobin in the blood increases at the activated site within the brain, the amount of measurement light absorbed by hemoglobin increases. Therefore, based on the intensity of the acquired measurement light, the change in hemoglobin amount accompanying brain activity can be acquired. In addition, hemoglobin is divided into oxyhemoglobin, which is bound to oxygen, and deoxyhemoglobin, which is not bound to oxygen, and these two have different absorption characteristics. Therefore, the optical measurement device 100 uses measurement light of multiple wavelengths (for example, three wavelengths of 780nm, 805nm, and 830nm) that take into account the differences in absorption characteristics to perform the test. Based on the intensity (intensity of received light) of the measurement light obtained at each wavelength, the temporal changes in the amount of each hemoglobin and the total amount are calculated.

[0042] As a result, based on the intensity of the measurement light incident on the light-receiving probe 33 (the amount of light received), changes in hemoglobin levels accompanying brain activity, that is, changes in blood flow and the activation state of oxygen metabolism, can be noninvasively acquired. The optical measurement device 100 includes multiple light-transmitting probes 32 and multiple light-receiving probes 33. By measuring brain regions at multiple points (multiple measurement channels 5) using multiple light-transmitting probes 32 and multiple light-receiving probes 33, a two-dimensional distribution of which brain regions are active in what manner can be acquired.

[0043] return Figure 1 The probe unit 30 holds a light transmitting probe 32 and a light receiving probe 33, each connected to the apparatus body 1. The probe unit 30 is disposed on the head surface 91 of the person under test 9 and is configured to maintain a constant relative position between the light transmitting probe 32 and the light receiving probe 33, which constitute the measurement channel 5 for measuring light.

[0044] Specifically, the probe unit 30 includes a base member 31, a light transmitting probe 32, a light receiving probe 33, and a probe for transmitting the hair 92 (see FIG. Figure 2 ) are opened and the plurality of pin members 34 and the cover member 35. The light transmitting probe 32, the light receiving probe 33 and the plurality of pin members 34 are provided on the base member 31.

[0045] The probe unit 30 is held by the bracket 20. The probe unit 30 is held by the bracket 20 at a predetermined position on the head surface 91 of the person being tested 9. In this embodiment, the base member 31 of the probe unit 30 is mounted on the bracket 20 in a manner that allows it to rotate relative to the bracket 20. That is, the base member 31 is rotatable about the central axis 80 (see FIG. Figure 4 )The rotating state is maintained on the bracket 20.

[0046] The probe unit 30 is configured so that, when placed on the head surface 91, it can move the hair 92 by rotating around the central axis 80 using the plurality of pin members 34. That is, the plurality of pin members 34 are configured so that they can move around the central axis 80 (see FIG. Figure 4 ) is rotated relative to the central axis 80 of the base member 31. The detailed structure of the probe unit 30 will be described later.

[0047] The bracket 20 is configured to hold one or more probe units 30. The bracket 20 may include, for example, a socket (not shown) on which the probe unit 30 can be mounted, and the bracket 20 may hold the probe unit 30 so as to be attachable and detachable and the base member 31 so as to be rotatable about the central axis 80. The bracket 20 may also hold the probe unit 30 in a state of being rotatably but non-detachably connected.

[0048] The shape of the support 20 is not particularly limited as long as it can be mounted on the head 90 of the test subject 9 without movement. For example, the support 20 may be a headband that circumferentially surrounds the head 90, a headphone that is mounted to clamp the ears, a protective headgear that partially covers the head 90, or a helmet that entirely covers the head 90.

[0049] exist Figure 1 In the example shown, the holder 20 includes a band portion 21 that circumferentially surrounds the head 90 from the forehead to the back of the head, and an arch portion 22 that extends from the left ear to the right ear through the upper portion of the head 90. The band portion 21 is made of, for example, a stretchable material and is secured to the head 90 by contraction. The arch portion 22 is provided with a socket or bracket having a through-hole, and is configured so that the probe unit 30 can be mounted on the socket or bracket. Figure 1 The holder 20 in the example is configured to hold one probe unit 30 on each of the left and right sides with the center line of the head 90 as the boundary. The number and position of the probe units 30 held by the holder 20 are not particularly limited, and are not limited to the following examples: Figure 1 Example shown.

[0050] (Device body)

[0051] like Figure 3 As shown, the device body 1 includes a light output unit 11 and a light detection unit 12 .

[0052] The light output unit 11 outputs measurement light to the light transmitting probe 32. The light output unit 11 includes, for example, a semiconductor laser as a light source. A plurality of light transmitting probes 32 can be connected to the light output unit 11, and the light output unit 11 can output measurement light to each connected light transmitting probe 32 at any timing.

[0053] The light detecting unit 12 detects the measurement light incident on the light receiving probe 33. The light detecting unit 12 includes, for example, a photomultiplier tube or a photodiode as a detector. A plurality of light receiving probes 33 can be connected to the light detecting unit 12, and the light detecting unit 12 can detect the measurement light from each connected light receiving probe 33.

[0054] A maximum of N light-transmitting probes 32 and M light-receiving probes 33 can be connected to the device main body 1 , and the total number of connectable probes is N+M (N and M are each a natural number greater than or equal to 2).

[0055] The device body 1 also includes a measurement control unit 13, a main body control unit 14, and a main storage unit 15. The measurement control unit 13 controls the operation of the light output unit 11 and the light detection unit 12, such as controlling the timing of light output and light detection. The measurement control unit 13 includes drive circuits for the light output unit 11 and the light detection unit 12. The main body control unit 14 executes various programs and controls the entire device body 1. The main body control unit 14 is composed of a computer including a processor and memory. The main storage unit 15 is configured to store various programs executed by the main body control unit 14 and measurement data obtained from measurement results. The main storage unit 15 is composed of a non-volatile memory such as a hard disk drive. The optical measuring device 100 also includes a display unit 16 and an operation input unit 17 connected to the device body 1. The display unit 16 is, for example, a liquid crystal display, and the operation input unit 17 includes input elements such as a keyboard and a mouse.

[0056] Optical measurement is initiated, for example, by an input operation via the operation input unit 17. The main body control unit 14, receiving the input operation, controls the start of measurement. When measurement is initiated, the measurement control unit 13 controls the light output unit 11 to sequentially output measurement light to each light-transmitting probe 32 at a predetermined cycle. The measurement control unit 13 then controls the light detection unit 12 to detect measurement light from the light-receiving probe 33, which, together with the light-transmitting probe 32 to which the measurement light is being output, constitutes the measurement channel 5, in synchronization with the output of the measurement light. Based on the detection signal, the main body control unit 14 analyzes changes in hemoglobin levels associated with brain activity and controls the display unit 16 to display the measurement results.

[0057] (Probe unit)

[0058] Next, refer to Figure 1 、 Figures 4 to 14 The structure of the probe unit 30 will be described. Figure 4 As shown, the probe unit 30 includes at least one light-transmitting probe 32 and at least one light-receiving probe 33 .

[0059] The base member 31 holds the light transmitting probe 32, the light receiving probe 33, and the plurality of pin members 34. In addition, the base member 31 is held by the bracket 20 in a manner rotatable around the central axis 80. Figure 1 In the example shown, the base member 31 is detachably provided with respect to the bracket 20. The base member 31 has, for example, a circular shape when viewed in the direction in which the central axis 80 extends, and is arranged so as to face the head surface 91. The central axis 80 is an axis extending toward the head surface 91.

[0060] Hereinafter, with respect to the Figure 1) base member 31, the direction toward the head surface 91 side (the direction closer to the head 90) is referred to as the X1 direction, and the direction toward the side opposite to the head surface 91 (the direction away from the head 90) is referred to as the X2 direction. The X1 direction and the X2 direction are collectively referred to as the X direction.

[0061] <Light-transmitting probe and light-receiving probe>

[0062] The light transmitting probe 32 and the light receiving probe 33 are respectively provided so as to protrude from the base member 31 toward the X1 direction side of the head surface 91. Figure 4 In the structural example, the light transmitting probe 32 and the light receiving probe 33 are respectively mounted on the base member 31 so as to be attachable and detachable. Figure 4 In the structural example, two light transmitting probes 32 and two light receiving probes 33 are attached to the base member 31 .

[0063] The light transmitting probe 32 and the light receiving probe 33 have an optical fiber cable (hereinafter referred to as optical fiber) 41 (see Figure 1 ) and the optical fiber head 42 holding the optical fiber 41 (refer to Figure 1 ). The optical fiber head 42 has a cylindrical structure into which the optical fiber 41 can be inserted, and is configured to hold and protect the top end of the optical fiber 41. The optical fiber 41 is arranged in a manner that it passes through the interior of the optical fiber head 42 and is exposed from the top end of the optical fiber head 42. The top end of the exposed optical fiber 41 of the optical fiber head 42 constitutes the top end 32a of the light-transmitting probe 32 or the top end 33a of the light-receiving probe 33. Thus, the light-transmitting probe 32 can emit the measuring light from the top end 32a, and the light-receiving probe 33 can allow the measuring light to be incident from the top end 33a into the optical fiber 41. The optical fiber head 42 is a cylindrical component made of resin or aluminum (aluminum or aluminum alloy) with non-light transparency. Examples of resins include modified PPE (polyphenylene ether), POM (polyoxymethylene), etc. The optical fiber 41 is a light-transmitting cable formed by coating an optical fiber wire constituting a light-transmitting path with a coating material.

[0064] <Pin member>

[0065] like Figure 4 As shown, a plurality of pin members 34 are provided so as to protrude from the base member 31 toward the X1 direction side (the head surface 91 side). The pin members 34 are configured to move (rotate) circumferentially as the base member 31 (probe unit 30) rotates around the central axis 80, thereby pushing aside the hair 92 on the head surface 91. The pin members 34 are formed of a resin material (e.g., silicone rubber) having a slender rod-like (needle-like) shape suitable for pushing aside the hair 92. The pin members 34 are provided so as to protrude from the lower surface (the X1 direction side surface) of the base member 31 toward the X1 direction side. The pin members 34 are fixed to the base member 31. The top end 34a (the X1 direction side end) of the pin member 34 is a smooth surface with roundness such as a spherical surface.

[0066] The plurality of pin members 34 are provided so as to be inclined obliquely toward at least one of the central axis 80 side of the base member 31 and the circumferential direction around the central axis 80. Figure 8 As shown, the plurality of pin members 34 are oriented toward the central axis 80 of the base member 31 (see FIG. Figure 4 ) side. The plurality of pin members 34 may be arranged so as to be obliquely inclined in the circumferential direction around the central axis 80. The plurality of pin members 34 may also be inclined in both the direction toward the central axis 80 and the circumferential direction around the central axis 80. Furthermore, the pin members 34 have a linear shape that tapers toward the tip 34a.

[0067] <Configuration of Pin Member and Probe>

[0068] like Figure 5 As shown, the plurality of pin members 34 are arranged in a circumferential direction around the central axis 80 so as to surround the central axis 80 of the base member 31. Thus, the plurality of pin members 34 are configured to lift the hair 92 in the central side area 66 surrounded by the plurality of pin members 34 by the rotation of the probe unit 30. Figure 5 In order to simplify the illustration, parts that do not require explanation are omitted.

[0069] exist Figure 5 In the example of FIG, the tips 34a of the plurality of pin members 34 are arranged in a row on a circumference 67 around the central axis 80 of the base member 31. Figure 5 In the example, a plurality of pin members 34 are arranged in a row on the circumference 67. In this embodiment, the tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are arranged at positions on the circumference 67 or at positions close to the outside of the circumference 67. Figure 5 In the example shown in FIG, the tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are arranged on the circumference 67. The tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 may also be arranged near the outside of the circumference 67.

[0070] Like this, in Figure 5 In the example shown in FIG6 , the tips 34a of the plurality of pin members 34 and the tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are arranged in a row on the circumference 67. In addition, at least one of the plurality of pin members 34 is arranged between the light transmitting probe 32 and the light receiving probe 33 that are adjacent in the circumferential direction around the central axis 80 of the base member 31.

[0071] exist Figure 5In the example, the top ends (32a, 33a) of the two light-transmitting probes 32 and the two light-receiving probes 33 are arranged at 90-degree intervals. The light-transmitting probes 32 and the light-receiving probes 33 are arranged alternately in the circumferential direction. In other words, the two light-transmitting probes 32 are arranged opposite to each other with the central axis 80 therebetween, and the two light-receiving probes 33 are arranged opposite to each other with the central axis 80 therebetween in a direction orthogonal to the two light-transmitting probes 32. Thus, in Figure 5 In the example of FIG, a total of four measurement channels 5 (measurement points) are formed between the light transmitting probes 32 and the light receiving probes 33 adjacent to each other in the circumferential direction.

[0072] Three pin members 34 are arranged between the light transmitting probes 32 and the light receiving probes 33 adjacent to each other in the circumferential direction. There are three pin members 34 between each of the four probes, for a total of twelve pin members 34. Figure 5 In the example, the tips ( 32 a , 33 a ) of the two light-transmitting probes 32 and the two light-receiving probes 33 and the tips 34 a of the twelve pin members 34 are arranged at equal angular intervals on the circumference 67 .

[0073] Like this, in Figure 5 In the example of FIG, the light transmitting probe 32 and the light receiving probe 33 are arranged at intervals in the circumferential direction from the respective pin members 34. The hair 92 pushed away by the pin members 34 retreats to the region of the intervals.

[0074] With this structure, as the base member 31 rotates about the central axis 80, the plurality of pin members 34 move in the circumferential direction about the central axis 80. The movement paths of the pin members 34 coincide with the circumference 67. As the pin members 34 move in the circumferential direction, the hair 92 on the head surface 91 is pushed aside and the hair 92 is lifted along the inclined surface of the pin members 34.

[0075] <Cover Member>

[0076] like Figure 6 As shown, the cover member 35 is provided on the base member 31 in the X2 direction. Furthermore, the cover member 35 is provided so as to cover the probe position retaining portion 38a of each of the light transmitting probe 32 and the light receiving probe 33, which will be described later, from the outer periphery. Specifically, the cover member 35 has a cylindrical shape that is open only on the X1 side. Furthermore, the cover member 35 is made of resin (e.g., ABS resin).

[0077] Here, in this embodiment, the cover member 35 is fixedly provided so as not to rotate. That is, the cover member 35 rotates relative to the base member 31 which is configured to rotate relative to the bracket 20.

[0078] The cover member 35 includes a snap-fit portion 35b that is provided so as to protrude from the end portion of the cover member 35 in the X1 direction toward the X1 direction and has a rectangular opening 35a. In addition, the probe unit 30 includes an annular connecting member 37 that is provided so as to circumferentially surround the base member 31. The connecting member 37 includes a connecting member 37 that is connected to the bracket 20 (see FIG. Figure 1 ) and a protrusion 37b that engages with the engaging portion 35b of the cover member 35. The protrusion 37b engages with the engaging portion 35b by fitting into the opening 35a of the engaging portion 35b. Furthermore, the connecting portion 37a and the protrusion 37b are provided so as to protrude radially outward from the outer peripheral surface of the connecting member 37.

[0079] The connecting member 37 is connected to the bracket 20 via the connecting portion 37a and is fixed to the bracket 20. In addition, the cover member 35 is fixed to the connecting member 37 via the engaging portion 35b engaging with the protrusion 37b of the connecting member 37. Thus, the cover member 35 is arranged in a manner that cannot rotate relative to the bracket 20. In addition, the protrusion 37b engaging with the engaging portion 35b also functions as a detachment prevention portion of the cover member 35. In addition, the connecting member 37 is formed on the outer peripheral surface 31b (refer to Figure 9 ) of the groove portion 31c (see Figure 9 ) can be configured to slide relative to the base member 31.

[0080] In addition, the cover member 35 is connected to the upper surface 37c of the connecting member 37 (see Figure 4 ) is supported and held. Furthermore, the engaging portion 35b of the cover member 35 is configured to be flexibly deformable. Thus, by flexing and deforming the engaging portion 35b of the cover member 35 radially outward and simultaneously moving the cover member 35 toward the connecting member 37 side (the base member 31 side), the engaging portion 35b is engaged with the protrusion 37b, and the cover member 35 is attached to the connecting member 37. Furthermore, when the cover member 35 is attached to the connecting member 37, by flexing and deforming the engaging portion 35b of the cover member 35 radially outward and simultaneously moving the cover member 35 toward the X2 direction, the engagement between the engaging portion 35b and the protrusion 37b is released, and the cover member 35 is removed from the connecting member 37.

[0081] like Figure 7 As shown in FIG. 1 , a protrusion 35d protruding radially inward is provided on the inner peripheral surface 35c of the cover member 35. The protrusion 35d is configured to press a probe position holding portion 38a described later.

[0082] The cover member 35 has a guide portion 35f extending from the center of the top portion 35e of the cover member 35 toward the X1 direction. The guide portion 35f is formed into a cylindrical shape. The base member 31 has a rotation axis 31d extending along the central axis 80 of the base member 31 (see FIG. 31 ). Figure 9 The guide portion 35f of the cover member 35 is configured to receive the rotation shaft 31d of the base member 31. The base member 31 is configured such that the rotation shaft 31d is guided by the guide portion 35f to rotate about the central axis 80.

[0083] The cover member 35 has a notch 35g disposed at the end portion on the X1 direction side. The notch 35g is for inserting the gripping portion 31a (see FIG. 1 ) of the base member 31 described later. Figure 4 ) is led out from the base member 31 to the radially outer side of the cover member 35.

[0084] Here, if Figure 6 and Figure 8 As shown in FIG. 3 , the base member 31 has a gripping portion 31a formed in an arc shape along the outer peripheral surface 35h of the cover member 35. Specifically, as shown in FIG. Figure 6 As shown, two gripping portions 31a are provided on the base member 31. That is, two notch portions 35g are provided on the cover member 35. In addition, the two gripping portions 31a are arranged with the central axis 80 (refer to Figure 4 ) are the positions relative to each other as the centers.

[0085] <Structure related to the position of the probe>

[0086] In addition, refer to Figure 9 and Figure 10 , the mechanism for maintaining the positions of the light transmitting probe 32 and the light receiving probe 33 will be described.

[0087] In this embodiment, if Figure 9 As shown, the probe unit 30 includes a probe position holding portion 38a, which holds the light transmitting probe 32 and the light receiving probe 33 so that the tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are located farther from the head surface 91 (see FIG. Figure 1 ), and the position holding state of the light transmitting probe 32 and the light receiving probe 33 by the probe position holding portion 38a can be released. Specifically, the distance position P1 is located at a distance d1 in the X direction relative to the position P2 of the tip 34a of the pin member 34 in the X direction. The distance d1 is, for example, approximately 6 mm.

[0088] Furthermore, a plurality of probe position holding units 38a are provided corresponding to the light transmitting probes 32 and the light receiving probes 33. That is, the light transmitting probes 32 and the light receiving probes 33 are individually held by the corresponding probe position holding units 38a.

[0089] The probe position retaining portion 38a is integrally provided with the probe holding member 38 that holds each of the light transmitting probe 32 and the light receiving probe 33. Specifically, the probe holding member 38 includes a holding portion body 38b that holds the light transmitting probe 32 and the light receiving probe 33. The probe position retaining portion 38a protrudes from near the upper end portion 38c of the holding portion body 38b and extends toward the X1 direction.

[0090] Furthermore, the base member 31 includes a support portion 31 e that supports the probe position holding portion 38 a from the X1 direction side.

[0091] Here, if Figure 4 As shown, the base member 31 is provided with a cylindrical arrangement portion 31g including a recess 31f for the probes (light-transmitting probe 32 and light-receiving probe 33) and the probe holding member 38 to be fitted. Four arrangement portions 31g are provided corresponding to each probe. An opening portion 31h extending in an arc shape is provided on the side of the arrangement portion 31g. The opening portion 31h of each arrangement portion 31g is arranged in a position aligned with the cover member 35 (see FIG. 1 ). Figure 6 ) relative position.

[0092] like Figure 10 As shown, the probe position holding portion 38a of the probe holding member 38 (see Figure 9 ) is exposed from the opening 31h. In addition, the support portion 31e is composed of the bottom surface of the opening 31h.

[0093] In addition, if Figure 11 As shown, the radially outer end 38e of the end 38d of the probe position holding portion 38a is supported by the support portion 31e. In addition, the radial width W1 of the end 38d of the probe position holding portion 38a is larger than the radial width W2 of the support portion 31e.

[0094] Furthermore, the recessed portion 31f is provided adjacent to the support portion 31e and radially inward of the support portion 31e. Specifically, the support portion 31e constitutes a portion of the inner peripheral surface 31i of the recessed portion 31f.

[0095] Here, in this embodiment, Figure 12 and Figure 13As shown, the probe position retaining portion 38a of each of the light transmitting probe 32 and the light receiving probe 33 is configured so that the position retaining state of each of the light transmitting probe 32 and the light receiving probe 33 is released by the probe position retaining portion 38a by being pressed by the protrusion 35d of the cover member 35 that rotates relative to the probe position retaining portion 38a (base member 31). Specifically, at least a portion (the radially inner end) of the protrusion 35d of the cover member 35 is located at a radial position equal to the radial position of the end 38d of the probe position retaining portion 38a. Therefore, the cover member 35 is configured so that the protrusion 35d of the cover member 35 enters the opening 31h of the arrangement portion 31g from the radial outside by rotating the cover member 35 relative to the probe position retaining portion 38a, and presses the probe position retaining portion 38a from the radial outside.

[0096] In addition, each of the light transmitting probe 32 and the light receiving probe 33 is configured so that the probe position holding portion 38a is pressed from the radially outer side by the protrusion 35d of the cover member 35, thereby releasing the support state of the support portion 31e and entering the recess 31f, thereby moving to the X1 direction side.

[0097] Specifically, if Figure 12 As shown, by releasing the position holding state of the probe position holding portion 38a, the tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 can be moved to a position P3 closer to the X1 direction side than the tip 34a of the pin member 34. Specifically, position P3 is a distance d2 closer to the X1 direction side relative to position P2, where the tip 34a of the pin member 34 is located. Distance d2 is, for example, approximately 4 mm.

[0098] In addition, if Figure 13 As shown, each probe in the light-transmitting probe 32 and the light-receiving probe 33 is constructed so as to stop moving when the respective top ends (32a, 33a) of the light-transmitting probe 32 and the light-receiving probe 33 contact the head surface 91 or the holding portion main body 38b of the probe holding member 38 contacts the lower surface 31j of the recess 31f provided on the X1 direction side of the holding portion main body 38b.

[0099] Furthermore, in this embodiment, the probe position retaining portion 38a is configured to bend and deform. Furthermore, the probe position retaining portion 38a is configured to bend and deform radially inward when pressed by the protrusion 35d of the cover member 35, thereby releasing the support from the support portion 31e and allowing it to enter the recess 31f. Furthermore, when each of the light transmitting probe 32 and the light receiving probe 33 is returned to the position where the probe position retaining portion 38a is supported by the support portion 31e, the probe position retaining portion 38a returns to its original shape from the deformed state.

[0100] In addition, if Figure 12As shown, the probe unit 30 includes a spring member 39 that applies force to each of the light-transmitting probe 32 and the light-receiving probe 33 in the X1 direction. In addition, the base member 31 has an engaging member 31k that engages with the probe holding member 38 (the end portion on the X1 direction side). The spring member 39 is arranged in a manner that applies a force relative to the engaging member 31k from the X2 direction side. That is, each of the light-transmitting probe 32 and the light-receiving probe 33 receives a force from the spring member 39 via the engaging member 31k and the probe holding member 38. In addition, the spring member 39 is an example of a "force-applying member" in the claims.

[0101] Specifically, when the holding state of the probe position holding portion 38 a is released and each of the light transmitting probe 32 and the light receiving probe 33 is movable in the X1 direction, the biasing force of the spring member 39 acts on each of the light transmitting probe 32 and the light receiving probe 33 .

[0102] In this embodiment, each of the light transmitting probe 32 and the light receiving probe 33 is configured so that, upon release of the probe position retaining portion 38a, the probe is biased by the spring member 39 toward the head surface 91, where the hairs 92 have been displaced by the plurality of pin members 34. Specifically, the hairs 92 are first displaced by the pin members 34 as the base member 31 rotates. Then, by further rotation of the base member 31, the probe position retaining portion 38a is released, and the probe is biased in the X1 direction toward the head surface 91, where the hairs 92 have been displaced, by the biasing force of the spring member 39.

[0103] In addition, if Figure 14 As shown, the cover member 35 has four protrusions 35d on the inner peripheral surface 35c of the cover member 35. Figure 4 ) is observed in the extending direction of the circumferential direction, the four protrusions 35d are arranged at approximately equal angular intervals (i.e., 90-degree intervals) along the circumferential direction.

[0104] Here, in this embodiment, the probe position holding portion 38a (see Figure 9 ) are arranged so that the probe position retaining portions 38a are pressed simultaneously by the multiple protrusions 35d of the cover member 35 that rotate relative to the probe position retaining portion 38a. Specifically, when viewed in the direction in which the central axis 80 extends, the four probe position retaining portions 38a and the protrusions 35d are arranged at approximately equal angular intervals (i.e., 90-degree intervals) along the circumferential direction. Thus, the four probe position retaining portions 38a are pressed simultaneously by the corresponding protrusions 35d. In other words, the position retention state of all the probe position retaining portions 38a can be released by simply rotating the base member 31 once.

[0105] (Probe configuration steps)

[0106] Next, refer to Figures 15 to 18 The following describes the steps for placing the light transmitting probe 32 and the light receiving probe 33 on the head surface 91 of the test subject 9. The following steps can all be performed by the test subject 9 himself / herself without the intervention of an assistant such as a doctor.

[0107] First, the person under test 9 is on the stand 20 (refer to Figure 1 ) Install the probe unit 30. Then, the person being tested 9 installs the bracket 20 on the head 90. Figure 15 As shown, the bracket 20 is mounted on the head 90 so that the pin member 34 of the probe unit 30 contacts the head surface 91. At this time, the hair 92 can be sandwiched between the top 34a of the pin member 34 and the head surface 91. Figure 15 The hair 92 of the test person 9 is schematically shown in FIG. The tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are held in place by the probe position holding portion 38a (see FIG. Figure 9 ) is kept at the distance position P1 (refer to Figure 9 ), and is configured at a position farther away from the head surface 91.

[0108] Next, the person under test 9 grasps the gripping portion 31a of the probe unit 30 (see Figure 6 ), the probe unit 30 (base member 31) rotates around the central axis 80. As the probe unit 30 rotates, the plurality of pin members 34 move in the circumferential direction around the central axis 80 while maintaining contact with the head surface 91. As a result, Figure 16 As shown, the pin members 34 move along the circumference 67 to push the hairs 92 to the inside and outside relative to the circumference 67. By rotating around the central axis 80, the movement paths of the plurality of pin members 34 become closed circular paths. Figure 16 In whichever direction the hair 92 moves, the hair 92 is separated into a central area 66 (shaded area) of the circumference 67 and an outer area.

[0109] like Figure 17 As shown, the pin member 34 is inclined relative to the head surface 91, so the hair 92 pushed away by the pin member 34 is lifted along the inclined surface of the pin member 34 after contacting the pin member 34. In fact, a plurality of hairs 92 overlap each other, generating friction resistance between them, so that the hairs 92 that are not in direct contact with the pin member 34 are also lifted. Figure 16The hairs 92 in the central region 66 are shown bundled and lifted as a whole. Due to the friction between the pin member 34 and the hairs 92, and the friction between the hairs 92 themselves, the hairs 92 in the central region 66 remain lifted even when the test subject 9 stops rotating the probe unit 30. The lifted hairs 92 raise their roots near the head surface 91, creating a space on the head surface 91 near the parted circumference 67 suitable for positioning the probe tips (32a, 33a).

[0110] Next, the person under test 9 releases the four probe position holding units 38a (see Figure 9 ) position. That is, by Figure 17 The base member 31 is further rotated from the state of Figure 7 ) presses the probe position holding portion 38a. As a result, the spring member 39 (refer to Figure 12 ) force, such as Figure 18 As shown, the tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are moved away from the position P1 (refer to Figure 9 ) moves in the X1 direction, thereby contacting the head surface 91 exposed on the circumference 67. When the respective top ends (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are in contact with the head surface 91, the spring member 39 acts on the probes (32, 33) to press (acting force) toward the head surface 91, thereby functioning in a manner to maintain the contact state between the probes (32, 33) and the head surface 91.

[0111] As a result, the light-transmitting probe 32 and the light-receiving probe 33 are in close contact with the head surface 91, and thus measurement preparation by the optical measuring device 100 is completed. Thereafter, when a measurement start operation input is made to the optical measuring device 100, brain function measurement by the optical measuring device 100 begins.

[0112] (Effects of this embodiment)

[0113] In this embodiment, the following effects can be obtained.

[0114] In this embodiment, as described above, the probe unit 30 of the optical measurement device 100 includes a plurality of pin members 34 that are rotatable relative to the central axis 80 of the base member 31 and protrude from the base member 31 toward the head surface 91. The pin members 34 are configured to part the hair 92 on the head surface 91 by rotation. Furthermore, the probe unit 30 includes a probe position retaining portion 38a that retains the light transmitting probe 32 and the light receiving probe 33 so that the respective tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are located at a distanced position P1 that is farther from the head surface 91 than the tips 34a of the plurality of pin members 34. With this configuration, when the plurality of pin members 34 are used to part the hair 92, the probe position retaining portion 38a can retain the light transmitting probe 32 and the light receiving probe 33 so that the respective tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are located at the distanced position P1. As a result, the hair 92 can be prevented from being caught between the tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 and the head surface 91 during the parting of the hair 92, thereby preventing the parting of the hair 92 from being obstructed. Consequently, the pin member 34 can more reliably part the hair 92. Thus, by releasing the position retention state of the probe position retaining portion 38a, the light transmitting probe 32 and the light receiving probe 33 can be easily positioned on the head surface 91 after the hair 92 has been parted.

[0115] Furthermore, since the hair 92 is parted by the rotation of the plurality of pin members 34 relative to the central axis 80 of the base member 31, the hair 92 can be parted regardless of the extending direction of the hair 92. As a result, by parting the hair 92 with the rotating pin members 34, the head surface 91 can be exposed more reliably.

[0116] In addition, in this embodiment, as described above, a plurality of probe position holding units 38a are provided corresponding to each of the light transmitting probes 32 and the light receiving probes 33. This configuration reduces the load on the probe position holding unit 38a compared to a case where a single probe position holding unit 38a holds all of the light transmitting probes 32 and the light receiving probes 33.

[0117] Furthermore, in this embodiment, as described above, the plurality of probe position retaining portions 38a are integrally provided with the probe holding member 38 that holds each of the light transmitting probe 32 and the light receiving probe 33. With this configuration, the number of components can be reduced and the structure of the probe unit 30 can be simplified compared to a case where the probe position retaining portions 38a and the probe holding member 38 are separate components.

[0118] Furthermore, in this embodiment, as described above, the probe unit 30 includes a cover member 35 that covers the probe position retaining portion 38a of each of the light transmitting probe 32 and the light receiving probe 33 from the outer periphery and is arranged to be rotatable relative to the base member 31. The inner periphery 35c of the cover member 35 is provided with a protrusion 35d for pressing the probe position retaining portion 38a. Furthermore, the probe position retaining portion 38a of each of the light transmitting probe 32 and the light receiving probe 33 is configured so that the position retaining state of each probe 32 or 33 is released by the probe position retaining portion 38a by pressing the protrusion 35d of the cover member 35 that rotates relative to the probe position retaining portion 38a. In this case, if the probe position retaining portion 38a is relatively small or is located in a poorly visible position, relatively rotating the cover member 35 is easier than accurately pressing the portion corresponding to the probe position retaining portion 38a with a finger or the like. Therefore, the probe position holding portion 38a is pressed by the protrusion 35d of the cover member 35 that rotates relative to the base member 31 to release the position holding state of the light-transmitting probe 32 and the light-receiving probe 33 by the probe position holding portion 38a, thereby simplifying the action of releasing the position holding state of the light-transmitting probe 32 and the light-receiving probe 33.

[0119] In this embodiment, as described above, multiple protrusions 35d are provided on the inner circumferential surface 35c of the cover member 35. Furthermore, the probe position retaining portions 38a of each of the light transmitting probe 32 and the light receiving probe 33 are configured so that they are simultaneously pressed by the multiple protrusions 35d of the cover member 35, which rotates relative to the probe position retaining portions 38a. This configuration shortens the time required to release the multiple probe position retaining portions 38a from their retained positions, compared to pressing the multiple probe position retaining portions 38a individually.

[0120] In addition, in the present embodiment, as described above, the base member 31 has a support portion 31e that supports the probe position holding portion 38a from the head surface 91 side. In addition, the base member 31 is provided with a recessed portion 31f that is arranged radially inward of the support portion 31e and adjacent to the support portion 31e. In addition, each of the light transmitting probe 32 and the light receiving probe 33 is configured so that the probe position holding portion 38a is pressed from the radial outside by the protrusion 35d of the cover member 35 to release the support state of the support portion 31e and enter the recessed portion 31f, thereby being able to move toward the head surface 91 side. If configured in this way, the recessed portion 31f is provided adjacent to the support portion 31e, and the state in which the probe position holding portion 38a is supported by the support portion 31e can be easily released. In addition, compared with the case where the probe position holding portion 38a is engaged with the base member 31 (for example, the convex portion is embedded in the concave portion) to hold each probe in the light-transmitting probe 32 and the light-receiving probe 33, the above-mentioned position holding state can be released more easily by supporting the probe position holding portion 38a only with the support portion 31e.

[0121] In addition, in this embodiment, as described above, the probe position holding portion 38a is configured to be able to bend and deform. In addition, the probe position holding portion 38a is configured to bend and deform radially inward by being pressed by the protrusion 35d of the cover member 35, thereby releasing the support state of the support portion 31e and entering the recess 31f. If configured in this way, by causing the probe position holding portion 38a to bend and deform, the probe position holding portion 38a can be easily offset (moved) relative to the support portion 31e. As a result, the state in which the light transmitting probe 32 and the light receiving probe 33 are held by the probe position holding portion 38a can be further easily released.

[0122] In this embodiment, as described above, the optical measuring device includes the holder 20 that holds the probe unit 30 and is attached to the head 90. Furthermore, the base member 31 is attached to the holder 20 so as to be rotatable relative to the holder 20. Furthermore, the cover member 35 is fixed so as not to be rotatable. This configuration allows the cover member 35 to be easily rotated relative to the base member 31.

[0123] Furthermore, in this embodiment, as described above, the base member 31 includes the grip portion 31a formed in an arc shape along the outer peripheral surface 35h of the cover member 35. With this configuration, the grip portion 31a is formed in an arc shape, and the circumferential length of the grip portion 31a can be made relatively large, so that the person being tested 9 can more easily grip the grip portion 31a with their fingers.

[0124] Furthermore, in this embodiment, as described above, the probe unit 30 includes a spring member 39 (urging member) that urges each of the light transmitting probe 32 and the light receiving probe 33 toward the head surface 91. Furthermore, each of the light transmitting probe 32 and the light receiving probe 33 is configured so that, upon release of the hold of the probe position retaining portion 38a, the spring member 39 urges the probe toward the head surface 91, from which the hair 92 has been parted by the plurality of pin members 34. With this configuration, when the hold of the probe position retaining portion 38a has been released, the force of the spring member 39 reliably brings the respective tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 into contact with the head surface 91, from which the hair 92 has been parted.

[0125] In addition, in this embodiment, as described above, the probe unit 30 of the probe holder kit 2 includes a plurality of pin members 34 configured to be rotatable relative to the central axis 80 of the base member 31 and projecting from the base member 31 toward the head surface 91, thereby displacing hair 92 on the head surface 91 by rotation. Furthermore, the probe unit 30 includes a probe position retaining portion 38a that retains the light transmitting probe 32 and the light receiving probe 33 so that the respective tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are located at a distance position P1 that is farther from the head surface 91 than the tips 34a of the plurality of pin members 34. With this configuration, when the hair 92 is displaced by the plurality of pin members 34, the probe position retaining portion 38a can retain the light transmitting probe 32 and the light receiving probe 33 so that the respective tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 are located at the distance position P1. As a result, it is possible to prevent the hair 92 from being caught between the tips (32a, 33a) of the light transmitting probe 32 and the light receiving probe 33 and the head surface 91 during the parting of the hair 92, thereby providing a probe holder set 2 that can prevent the parting of the hair 92 from being hindered. As a result, the pin member 34 can be used to more reliably part the hair 92. Thus, it is possible to provide a probe holder set 2 that can easily position the light transmitting probe 32 and the light receiving probe 33 on the head surface 91 after the hair 92 has been parted by releasing the position retention state of the probe position retaining portion 38a.

[0126] Furthermore, since the hairs 92 are parted by rotating the plurality of pin members 34 relative to the central axis 80 of the base member 31, the hairs 92 can be parted regardless of the extending direction of the hairs 92. As a result, a probe holder kit 2 can be provided that can more reliably expose the head surface 91 by parting the hairs 92 using the rotating pin members 34.

[0127] [Modification]

[0128] The embodiments disclosed herein are illustrative in all respects and are not restrictive. The scope of the present invention is indicated by the claims, not by the description of the embodiments described above, and includes all modifications (variations) within the meaning and scope equivalent to the claims.

[0129] For example, although the above embodiment shows an example in which a plurality of probe position holding portions 38a are provided corresponding to each of the light transmitting probe 32 and the light receiving probe 33, the present invention is not limited thereto. For example, a single probe position holding portion 38a common to the light transmitting probe 32 and the light receiving probe 33 may be provided. Figure 3 While the device body 1 is illustrated with a light output unit 11 and a light detection unit 12, the probe itself can also be equipped with a light source and detector, with their power supply and detection signals transmitted to the device body 1 or other equipment. This configuration increases the weight of the probe holder kit, but eliminates the need for optical fibers between the main body and the probe holder kit, thereby resolving issues such as signal degradation and the weight of the optical fibers.

[0130] In addition, although the above embodiment shows an example in which the probe position holding portion 38 a is provided integrally with the probe holding member 38 , the present invention is not limited thereto. The probe position holding portion 38 a may be provided separately from the probe holding member 38 .

[0131] In addition, although the above embodiment shows an example in which the base member 31 rotates relative to the bracket 20 and the protrusion 35d of the non-rotatable cover member 35 presses the probe position holding portion 38a, the present invention is not limited to this. Alternatively, the cover member 35 may rotate relative to the bracket 20 and the base member 31 may be non-rotatably provided so that the protrusion 35d presses the probe position holding portion 38a.

[0132] Furthermore, while the above embodiment illustrates an example in which the probe position holding state is released by rotating the cover member 35 relative to the base member 31 to press the probe position holding portion 38a, the present invention is not limited thereto. For example, the probe position holding portion 38a may be configured to be released by a finger (touch action) of a test subject or the like.

[0133] In addition, although the above embodiment shows an example in which the plurality of probe position retaining portions 38a are pressed simultaneously by the protrusion 35d of the cover member 35, the present invention is not limited to this. For example, the plurality of probe position retaining portions 38a may be configured so that each of the protrusions 35d of the cover member 35 presses one or two of each.

[0134] In addition, although the above embodiment shows an example in which the probe position holding portion 38a is supported by the supporting portion 31e of the base member 31 to hold the probe position, the present invention is not limited thereto. For example, the probe position holding portion 38a may be engaged with the base member 31 (e.g., by engaging a concave portion and a convex portion) to hold the probe position.

[0135] In addition, although the above embodiment shows an example in which the probe is urged by the spring member 39 , the present invention is not limited thereto. For example, the probe may be urged by an actuator.

[0136] Furthermore, while the above embodiment illustrates an example in which the plurality of pin members 34 are arranged obliquely toward at least one of the central axis 80 of the base member 31 and the circumferential direction around the central axis 80, the present invention is not limited thereto. Alternatively, the plurality of pin members 34 may not be inclined toward either the central axis 80 of the base member 31 or the circumferential direction around the central axis 80.

[0137] The configuration shown in the above embodiment is merely an example, and the configuration (shape), arrangement, number, and material of the probe unit and the holder are not limited thereto and can be arbitrarily changed.

[0138] [plan]

[0139] It will be understood by those skilled in the art that the above-described exemplary embodiments are specific examples of the following aspects.

[0140] (Item 1)

[0141] An optical measuring device includes a probe unit held on the head of a person under test,

[0142] The probe unit comprises:

[0143] base member;

[0144] a light-transmitting probe provided so as to protrude from the base member toward the head surface of the person being tested, and irradiating the head surface of the person being tested with metering light;

[0145] a light receiving probe provided so as to protrude from the base member toward the head surface side and receiving the measurement light emitted from the head surface through the inside of the head;

[0146] a plurality of pin members configured to be rotatable relative to a central axis of the base member and projecting from the base member toward the head surface side, and to push aside hair on the head surface by rotating; and

[0147] A probe position holding portion holds the light-transmitting probe and the light-receiving probe so that the respective top ends of the light-transmitting probe and the light-receiving probe are located at a position farther away from the head surface than the top ends of the plurality of pin members, and is capable of releasing the position holding state of the light-transmitting probe and the light-receiving probe by the probe position holding portion.

[0148] (Item 2)

[0149] According to the optical measuring device described in item 1, a plurality of the probe position holding units are provided corresponding to each of the light transmitting probe and the light receiving probe.

[0150] (Item 3)

[0151] According to the optical measuring device described in item 2, the plurality of probe position holding portions are provided integrally with probe holding members that hold the light transmitting probe and the light receiving probe, respectively.

[0152] (Item 4)

[0153] The optical measuring device according to item 2 or 3,

[0154] The probe unit further includes a cover member, which covers the probe position holding portion of each of the light transmitting probe and the light receiving probe from the outer peripheral side and is arranged in a manner that can rotate relative to the base member. A protrusion that presses the probe position holding portion is provided on the inner peripheral surface of the cover member.

[0155] The probe position holding portion of each of the light transmitting probe and the light receiving probe is configured to release the position holding state of each of the light transmitting probe and the light receiving probe by being pressed by the protrusion of the cover member that rotates relative to the probe position holding portion.

[0156] (Item 5)

[0157] The optical measuring device according to item 4,

[0158] The protrusion is provided in plurality on the inner peripheral surface of the cover member.

[0159] The probe position holding portion of each of the light transmitting probe and the light receiving probe is provided so as to be pressed simultaneously by the plurality of protrusions of the cover member that rotates relatively to the probe position holding portion.

[0160] (Item 6)

[0161] The optical measuring device according to item 4 or 5,

[0162] The base member has a support portion that supports the probe position holding portion from the head surface side.

[0163] The base member is provided with a recessed portion provided adjacent to the support portion and radially inward of the support portion.

[0164] Each of the light transmitting probe and the light receiving probe is configured to be movable toward the head surface side when the probe position holding portion is pressed radially outward by the protrusion of the cover member to release the support state of the support portion and enter the recess.

[0165] (Item 7)

[0166] According to the optical measuring device described in item 6, the probe position holding portion is configured to be bendable and deformable, and is configured to be deflected radially inward by being pressed by the protrusion of the cover member, thereby releasing the support state of the support portion and entering the recess.

[0167] (Item 8)

[0168] The optical measuring device according to any one of items 4 to 7,

[0169] The optical measuring device further includes a holder that holds the probe unit and is mounted on the head.

[0170] The base member is mounted on the bracket in a manner capable of rotating relative to the bracket,

[0171] The cover member is provided in a non-rotatably fixed manner.

[0172] (Item 9)

[0173] The optical measuring device according to any one of items 4 to 8, wherein the base member includes a gripping portion formed in an arc shape along the outer peripheral surface of the cover member.

[0174] (Item 10)

[0175] The optical measuring device according to any one of items 1 to 9,

[0176] The probe unit includes a biasing member for biasing each of the light transmitting probe and the light receiving probe toward the head surface side.

[0177] Each of the light transmitting probe and the light receiving probe is configured so as to be urged by the urging member toward the head surface in a state where the hair is parted by the plurality of pin members when the holding state of the probe position holding portion is released.

[0178] (Item 11)

[0179] A probe holder kit comprising:

[0180] a bracket mounted on the head of the person being tested; and

[0181] a probe unit, which is held in the support,

[0182] The probe unit comprises:

[0183] base member;

[0184] a light-transmitting probe provided so as to protrude from the base member toward the head surface of the person being tested, and irradiating the head surface of the person being tested with metering light;

[0185] a light receiving probe provided so as to protrude from the base member toward the head surface side and receiving the measurement light emitted from the head surface through the inside of the head;

[0186] a plurality of pin members configured to be rotatable relative to a central axis of the base member and projecting from the base member toward the head surface side, and to push aside hair on the head surface by rotating; and

[0187] A probe position holding portion holds the light-transmitting probe and the light-receiving probe so that the respective top ends of the light-transmitting probe and the light-receiving probe are located at a position farther away from the head surface than the top ends of the plurality of pin members, and is capable of releasing the position holding state of the light-transmitting probe and the light-receiving probe by the probe position holding portion.

[0188] Description of Reference Numerals

[0189] 2. Probe holder kit; 9. Person under test; 20. Holder; 30. Probe unit; 31. Base member; 31a. Grip; 31e. Support; 31f. Recess; 32. Light-transmitting probe; 32a. Top end (top end of the light-transmitting probe); 33. Light-receiving probe; 33a. Top end (top end of the light-receiving probe); 34. Pin member; 34a. Top end (top end of the pin member); 35. Cover member; 35c. Inner circumferential surface; 35d. Protrusion; 35h. Outer circumferential surface; 38. Probe holding member; 38a. Probe position holding member; 39. Spring member (biasing member); 80. Center axis; 90. Head; 91. Head surface; 92. Hair; 100. Optical measuring device; P1. Remote position.

Claims

1. An optical measuring device, wherein: The optical measuring device includes a probe unit held on the head of a person under test. The probe unit comprises: base member; a light-transmitting probe provided so as to protrude from the base member toward the head surface of the person being tested, and irradiating the head surface of the person being tested with metering light; a light receiving probe provided so as to protrude from the base member toward the head surface side and receiving the measurement light emitted from the head surface through the inside of the head; a plurality of pin members configured to be rotatable relative to a central axis of the base member and projecting from the base member toward the head surface side, and to push aside hair on the head surface by rotating; and A probe position holding portion holds the light-transmitting probe and the light-receiving probe so that their respective tips are located at a distance position farther from the head surface than the tips of the plurality of pin members, and is capable of releasing the position holding state of the light-transmitting probe and the light-receiving probe by the probe position holding portion, thereby allowing the light-transmitting probe and the light-receiving probe to move from the distance position toward the head surface side. The probe position holding portion is provided in plurality corresponding to each of the light transmitting probe and the light receiving probe. The probe unit further includes a cover member, which covers the probe position holding portion of each of the light transmitting probe and the light receiving probe from the outer peripheral side and is arranged in a manner that can rotate relative to the base member. A protrusion that presses the probe position holding portion is provided on the inner peripheral surface of the cover member. The probe position holding portion of each of the light transmitting probe and the light receiving probe is configured to release the position holding state of each of the light transmitting probe and the light receiving probe by being pressed by the protrusion of the cover member that rotates relative to the probe position holding portion.

2. The optical measuring device according to claim 1, wherein The plurality of probe position holding portions are respectively provided integrally with probe holding members that hold the light transmitting probe and the light receiving probe.

3. The optical measuring device according to claim 1, wherein The protrusion is provided in plurality on the inner peripheral surface of the cover member. The probe position holding portion of each of the light transmitting probe and the light receiving probe is provided so as to be pressed simultaneously by the plurality of protrusions of the cover member that rotates relatively to the probe position holding portion.

4. The optical measuring device according to claim 1, wherein The base member has a support portion that supports the probe position holding portion from the head surface side. The base member is provided with a recessed portion provided adjacent to the support portion and radially inward of the support portion. Each of the light transmitting probe and the light receiving probe is configured to be movable toward the head surface side when the probe position holding portion is pressed radially outward by the protrusion of the cover member to release the support state of the support portion and enter the recess.

5. The optical measuring device according to claim 4, wherein The probe position holding portion is configured to be flexibly deformable, and is configured to be flexibly deformed radially inward by being pressed by the protrusion of the cover member, thereby releasing the support state of the support portion and entering the recess. The optical measuring device according to claim 1 , wherein The optical measuring device further includes a holder that holds the probe unit and is mounted on the head. The base member is mounted on the bracket in a manner capable of rotating relative to the bracket, The cover member is provided in a non-rotatably fixed manner.

7. The optical measuring device according to claim 1, wherein The base member includes a grip portion formed in an arc shape along the outer peripheral surface of the cover member.

8. The optical measuring device according to claim 1, wherein The probe unit includes a biasing member for biasing each of the light transmitting probe and the light receiving probe toward the head surface side. Each of the light transmitting probe and the light receiving probe is configured so as to be urged by the urging member toward the head surface in a state where the hair is parted by the plurality of pin members when the holding state of the probe position holding portion is released.

9. A probe holder kit, wherein: The probe holder kit comes with: a bracket, which is mounted on the head of the person being tested; as well as a probe unit, which is held in the support, The probe unit comprises: base member; a light-transmitting probe provided so as to protrude from the base member toward the head surface of the person being tested, and irradiating the head surface of the person being tested with metering light; a light receiving probe provided so as to protrude from the base member toward the head surface side and receiving the measurement light emitted from the head surface through the inside of the head; a plurality of pin members configured to be rotatable relative to a central axis of the base member and projecting from the base member toward the head surface side, and to push aside hair on the head surface by rotating; and A probe position holding portion holds the light-transmitting probe and the light-receiving probe so that their respective tips are located at a distance position farther from the head surface than the tips of the plurality of pin members, and is capable of releasing the position holding state of the light-transmitting probe and the light-receiving probe by the probe position holding portion, thereby allowing the light-transmitting probe and the light-receiving probe to move from the distance position toward the head surface side. The probe position holding portion is provided in plurality corresponding to each of the light transmitting probe and the light receiving probe. The probe unit further includes a cover member, which covers the probe position holding portion of each of the light transmitting probe and the light receiving probe from the outer peripheral side and is arranged in a manner that can rotate relative to the base member. A protrusion that presses the probe position holding portion is provided on the inner peripheral surface of the cover member. The probe position holding portion of each of the light transmitting probe and the light receiving probe is configured to release the position holding state of each of the light transmitting probe and the light receiving probe by being pressed by the protrusion of the cover member that rotates relative to the probe position holding portion.

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