Near infrared spectrum brain function imaging device

Abstract

The invention belongs to the technical field of near-infrared spectrum imaging, and particularly relates to a near-infrared spectrum brain function imaging device which comprises an imaging machine body and head-mounted equipment, a first L-shaped tube is rotatably mounted at the upper end of the imaging machine body, a second L-shaped tube is slidably arranged on the first L-shaped tube in a sleeving mode, and a vertical rod connected with the second L-shaped tube is fixedly connected to the upper end of the head-mounted equipment. The second L-shaped pipe is slidably connected with an arc-shaped rod, the lower end of the arc-shaped rod is fixedly connected with a hinge seat, the two sides of the hinge seat are rotatably connected with eye protection plates, a locking piece is installed between the two eye protection plates, a sponge block is installed on the front side of the hinge seat, and connecting pieces are installed between the lower end of the head-mounted equipment and the eye protection plates. According to the head-mounted equipment, near-infrared light generated in the head-mounted equipment is prevented from irradiating eyes when the head-mounted equipment is worn, the eyes are further prevented from being hurt, meanwhile, the head-mounted equipment and the eye protection plate can be connected through the connecting piece, the head-mounted equipment is fixed to the head of a patient, and the phenomenon that imaging is affected due to displacement is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of near-infrared spectral imaging, and in particular relates to a near-infrared spectral brain function imaging device. Background Art

[0002] Near-infrared brain imaging is a functional imaging research instrument used in the field of psychology. It has been widely used since the late 1990s and has become an important research method in psychology and cognitive neuroscience. Near-infrared brain imaging can measure the nervous system activity and hemodynamic response of the prefrontal cortex. It detects the oxygen content of the prefrontal cortex through sensors and provides real-time values ​​of oxyhemoglobin and deoxyhemoglobin for analysis and research.

[0003] Existing brain function imaging devices usually wear near-infrared spectral sensors on the head to collect data. However, the infrared light emitted by the near-infrared spectral sensors while being worn will irradiate the wearer's eyes, which can easily cause discomfort to the eyes, so there is room for improvement. Summary of the invention

[0004] The purpose of the present invention is to provide a near-infrared spectroscopy brain function imaging device to solve the problems existing in the background technology.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0006] A near-infrared spectroscopy brain function imaging device comprises an imaging body and a head-mounted device, wherein a first L-shaped tube is rotatably mounted on the upper end of the imaging body, a second L-shaped tube is slidably sleeved on the first L-shaped tube, a connecting line of the head-mounted device passes through the first L-shaped tube and the second L-shaped tube, a vertical rod connected to the second L-shaped tube is fixedly connected to the upper end of the head-mounted device, an arc rod is slidably connected to the second L-shaped tube, a hinge seat is fixedly connected to the lower end of the arc rod, eye shields are rotatably connected to both sides of the hinge seat, a locking piece is installed between the two eye shields, a sponge block is installed on the front side of the hinge seat, and a connecting piece is installed between the lower end of the head-mounted device and the eye shield.

[0007] The locking member includes a first spring, a mounting groove is provided inside the eye shield, the first spring is installed inside the mounting groove, a locking block is installed between the mounting groove and the first spring, the eye shield is provided with an L-shaped locking groove matching the locking block, and the locking block is provided with an inclined surface.

[0008] The connecting part includes an arc-shaped soft strip connected to the head-mounted device, and both ends of the arc-shaped soft strip are fixedly connected to fixing plates. A first magnet is installed at the lower end of the fixing plate, and a second magnet magnetically connected to the first magnet is installed at the upper end of the eye protection plate.

[0009] The lower end of the second L-shaped tube is threadedly connected with a threaded rod, the threaded rod is rotatably connected with a fixing ring fixedly connected to the vertical rod, and the upper end of the vertical rod is fixedly connected with a limiting block slidably connected to the second L-shaped tube.

[0010] The first L-shaped tube and the second L-shaped tube are both provided with heat dissipation grooves.

[0011] A rubber pad is fixedly connected to the inner side of the eye protection plate.

[0012] A protective cover is installed at the lower end of the eye shield.

[0013] The present invention can shield the eyes through the eye shield to prevent the near-infrared light generated inside the head-mounted device from irradiating the eyes when the head-mounted device is worn, thereby avoiding damage to the eyes. At the same time, the head-mounted device and the eye shield can be connected through a connecting piece, and then fixed to the patient's head to avoid displacement that affects imaging. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further illustrated by means of the non-limiting examples given in the accompanying drawings.

[0015] Figure 1 It is a schematic structural diagram of a near-infrared spectroscopy brain function imaging device of the present invention;

[0016] Figure 2 It is a schematic diagram of the first cross-sectional structure of a near-infrared spectroscopy brain function imaging device of the present invention;

[0017] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0018] Figure 4 This is a schematic diagram of the second cross-sectional structure of a near-infrared spectroscopy brain function imaging device of the present invention.

[0019] The main component symbols are described as follows:

[0020] Imaging body 1, head-mounted device 11, first L-shaped tube 12, second L-shaped tube 13, vertical rod 14, arc rod 15, hinge seat 16, eye shield 17, sponge block 18, first spring 20, locking block 21, L-shaped locking groove 22, arc-shaped soft strip 23, fixing plate 24, first magnet 25, second magnet 26, threaded rod 30, fixing ring 31, limit block 32, heat dissipation groove 33, rubber pad 34, protective cover 35. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Example 1: Figure 1-4 As shown, a near-infrared spectroscopy brain function imaging device of the present invention comprises an imaging body 1 and a head-mounted device 11, a first L-shaped tube 12 is rotatably mounted on the upper end of the imaging body 1, a second L-shaped tube 13 is slidably sleeved on the first L-shaped tube 12, a connecting line of the head-mounted device 11 passes through the first L-shaped tube 12 and the second L-shaped tube 13, a vertical rod 14 connected to the second L-shaped tube 13 is fixedly connected to the upper end of the head-mounted device 11, an arc-shaped rod 15 is slidably connected to the second L-shaped tube 13, a hinge seat 16 is fixedly connected to the lower end of the arc-shaped rod 15, eye shields 17 are rotatably connected to both sides of the hinge seat 16, a locking piece is installed between the two eye shields 17, a sponge block 18 is installed on the front side of the hinge seat 16, and a connecting piece is installed between the lower end of the head-mounted device 11 and the eye shield 17.

[0023] When in use, the angle and distance between the head-mounted device 11 and the imaging body 1 can be adjusted by the first L-shaped tube 12 and the second L-shaped tube 13, so as to facilitate use; when in use, the two eye shields 17 are opened and the patient's head is brought close to the sponge block 18, and then the two eye shields 17 are rotated to make them abut against each other, and then the two eye shields 17 are connected by the locking piece, and the sponge block 18 is used to adapt to the head circumference of different patients, and the eye shields 17 are located at the position of the patient's brow bone. After the eye shields 17 are installed, the head-mounted device 11 is driven to be worn on the patient's forehead, so that the near-infrared light generated by the head-mounted device 11 will not irradiate the eyes, thereby avoiding near-infrared light from irradiating and damaging the patient's eyes.

[0024] At the same time, the connector can also connect the head-mounted device 11 and the eye shield 17, so that the head-mounted device 11 can be more accurately aligned with different imaging points on the patient's head. In addition, during the imaging process, the connector can also prevent the head-mounted device 11 from moving and affecting the imaging.

[0025] The present invention can shield the eyes through the eye shield to prevent the near-infrared light generated inside the head-mounted device from irradiating the eyes when the head-mounted device is worn, thereby avoiding damage to the eyes. At the same time, the head-mounted device and the eye shield can be connected through a connecting piece, and then fixed to the patient's head to avoid displacement that affects imaging.

[0026] Embodiment 2: Further improvement is made on the basis of Embodiment 1, the locking member comprises a first spring 20, a mounting groove is provided inside the eye shield 17, the first spring 20 is installed inside the mounting groove, a locking block 21 is installed between the mounting groove and the first spring 20, the eye shield 17 is provided with an L-shaped locking groove 22 matching the locking block 21, and the locking block 21 is provided with an inclined surface.

[0027] When connected, the two eye guards 17 are driven to approach each other, so that the side inclined surface of the locking block 21 close to the hinge seat 16 abuts against the side surface of the other eye guard 17, and then in the process of approaching each other, the locking block 21 will overcome the resilience of the first spring 20 and move away from the hinge seat 16 into the L-shaped locking groove 22, and then under the action of the first spring 20, the two eye guards 17 abut against each other and make the locking block 21 located in the L-shaped locking groove 22 to complete the locking. When releasing, pulling the locking block 21 to move outward can make the locking block 21 withdraw from the L-shaped locking groove 22.

[0028] The connecting piece includes an arc-shaped soft strip 23 connected to the head-mounted device 11, and the two ends of the arc-shaped soft strip 23 are fixedly connected to a fixing plate 24, a first magnet 25 is installed at the lower end of the fixing plate 24, and a second magnet 26 magnetically connected to the first magnet 25 is installed at the upper end of the eye shield 17. The arc-shaped soft strip 23 can be deformed and bent, and after the eye shield 17 is locked, the arc-shaped soft strip 23 is driven to abut against the eye shield 17, and then the arc-shaped soft strip 23 is bent and adjusted to fit the patient's head, so that the head-mounted device 11 is attached to the head. At this time, the first magnet 25 and the second magnet 26 attract each other and are magnetically attracted together. When adjusting the arc-shaped soft strip 23, the fixing plate 24 is pushed to move in the direction of the second magnet 26.

[0029] The second L-shaped tube 13 is threadedly connected to a threaded rod 30 at its lower end. The threaded rod 30 is rotatably connected to a fixing ring 31 fixedly connected to the vertical rod 14 . The vertical rod 14 is fixedly connected to a limiting block 32 slidably connected to the second L-shaped tube 13 at its upper end.

[0030] In the initial state, the threaded rod 30 is located inside the second L-shaped tube 13, so that the head-mounted device 11 is located above the eye shield 17 and at a certain distance, which makes it convenient for the patient to wear the eye shield 17. When the eye shield 17 is worn, the threaded rod 30 is rotated. Since the fixing ring 31 is slidably connected to the vertical rod 14, and the threaded rod 30 is threadedly connected to the second L-shaped tube 13, the threaded rod 30 is driven to rotate up and down when the threaded rod 30 is rotated, thereby driving the vertical rod 14 to slide up and down. In this way, the vertical rod 14 and the head-mounted device 11 are driven to move up and down during the rotation of the threaded rod 30, thereby making the head-mounted device 11 abut against the eye shield 17, and at the same time, the eye shield 17 matches the position of the head-mounted device 11, so that the head-mounted device 11 can be aligned with the patient's head, and the arc-shaped soft strip 23 abuts against the upper side of the eye shield 17 to complete the wearing.

[0031] The first L-shaped tube 12 and the second L-shaped tube 13 are both provided with a heat dissipation groove 33. The heat dissipation groove 33 can dissipate heat for the connecting wire of the head-mounted device 11.

[0032] A rubber pad 34 is fixedly connected to the inner side of the eye shield 17. The rubber pad 34 can fit the patient's head and can play a fitting and buffering role.

[0033] A protective cover 35 is installed at the lower end of the eye shield 17. The protective cover 35 can cover the eyes and thus protect the eyes.

[0034] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A near-infrared spectroscopy brain function imaging device, comprising an imaging body and a head-mounted device, characterized in that: A first L-shaped tube is rotatably mounted on the upper end of the imaging body, a second L-shaped tube is slidably sleeved on the first L-shaped tube, a connecting line of the head-mounted device passes through the first L-shaped tube and the second L-shaped tube, a vertical rod connected to the second L-shaped tube is fixedly connected to the upper end of the head-mounted device, an arc-shaped rod is slidably connected to the second L-shaped tube, a hinge seat is fixedly connected to the lower end of the arc-shaped rod, eye shields are rotatably connected to both sides of the hinge seat, a locking piece is installed between the two eye shields, a sponge block is installed on the front side of the hinge seat, and a connecting piece is installed between the lower end of the head-mounted device and the eye shield.

2. A near infrared spectroscopy brain function imaging device according to claim 1, characterized in that: The locking member includes a first spring, a mounting groove is provided inside the eye shield, the first spring is installed inside the mounting groove, a locking block is installed between the mounting groove and the first spring, the eye shield is provided with an L-shaped locking groove matching the locking block, and the locking block is provided with an inclined surface.

3. A near-infrared spectroscopy brain function imaging device according to claim 1, characterized in that: The connecting part includes an arc-shaped soft strip connected to the head-mounted device, and both ends of the arc-shaped soft strip are fixedly connected to fixing plates. A first magnet is installed at the lower end of the fixing plate, and a second magnet magnetically connected to the first magnet is installed at the upper end of the eye protection plate.

4. A near-infrared spectroscopy brain function imaging device according to claim 1, characterized in that: The lower end of the second L-shaped tube is threadedly connected with a threaded rod, the threaded rod is rotatably connected with a fixing ring fixedly connected to the vertical rod, and the upper end of the vertical rod is fixedly connected with a limiting block slidably connected to the second L-shaped tube.

5. The near-infrared spectroscopy brain function imaging device according to claim 1, characterized in that: The first L-shaped tube and the second L-shaped tube are both provided with heat dissipation grooves.

6. A near-infrared spectroscopy brain function imaging device according to claim 1, characterized in that: A rubber pad is fixedly connected to the inner side of the eye protection plate.

7. The near-infrared spectroscopy brain function imaging device according to claim 1, characterized in that: A protective cover is installed at the lower end of the eye shield.

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