CN114886367A - Portable external auditory canal scanner - Google Patents

Abstract

The invention provides a portable external auditory canal scanner, which belongs to the technical field of scanners. The fitting bolt is connected with the handle, the upper and middle parts of the handle are respectively provided with a main control chip and a USB interface, the main control chip is electrically connected with the USB interface and wirelessly connected with the probe, and the control device is connected with the USB interface through a data cable. The main control chip can choose two modes: scanner mode and electric otoscope mode, which can respectively collect the data model of the ear canal and the image information in the ear canal, and transmit the data model and image information to the liquid crystal through wireless or wired means. Displaying on the display screen can not only make an accurate external auditory canal model, but also observe the situation in the external auditory canal and conduct disease inspections. Taking both needs into consideration, the applicability of the device is increased.

Description

A portable external auditory canal scanner

technical field

The invention belongs to the technical field of scanners, and in particular relates to a portable external auditory canal scanner.

Background technique

The premise of customizing personalized ear products (such as earphones, swimming earplugs, music earplugs, noise-cancelling earplugs, hearing aids, hearing protectors and related hearing equipment, etc.) The sampling method is to inject expensive sampling material into the external auditory canal of the customer. During the hardening process of the sampling material, the customer will experience intolerance or discomfort, and there are certain safety hazards. Therefore, through the use of 3D scanning technology, the fine structure of the external auditory canal can be visually displayed, and the three-dimensional data model can effectively combine 3D printing technology to customize personalized ear products. At present, there are few scanners used in the external auditory canal at home and abroad, and they are large in size, expensive, and low in resolution, and are not suitable for patients who have undergone radical surgery of the middle ear. Use scenarios and other issues; there is an urgent need to design a portable external auditory canal scanner to provide convenience to medical institutions, medical schools, hearing centers, and hearing aid fitting stores that customize personalized ear products.

There is an existing optical scanning device (patent application number: CN201280024217.5), which includes a scanner body on which a scanning probe is installed, and the scanning probe includes a laser light source, a laser optical element, a non-laser video illumination source, and a wide-angle lens. and an image sensor to which the wide-angle lens is optically coupled, the image sensor mounted within the scanner body and coupled to a data processor for data communication; a plurality of tracking illumination sensors, the tracking illumination A sensor senses reflections of tracking illumination emitted from a tracking illumination emitter and reflected from a tracking fiducial marker mounted at a fixed position relative to the scanned object, the tracking illumination sensor also sensing emissions from the tracking illumination emitter and reflections of tracking illumination reflected from a tracking target mounted at a fixed location on the scanner body; and the data processor configured such that it functions by constructing a 3D image of the scanned object, so The configuration relies on a sequence of images captured when the scanned object is illuminated by a laser and a tracked position of the scanner probe inferred from reflections of tracking illumination sensed by the tracking illumination sensor.

In this scheme, the structure of the scanning device used to construct the stereoscopic image of the scanned object is relatively complex, and it can be used in a fixed scene, but it is not portable and cannot be applied in multiple scenes; and it is applied to the shape scanning of the human body surface, and for the external auditory canal Due to the differences in the structure and shape of different parts of the human body, the scanning accuracy of a scanning device suitable for all parts is not ideal for a certain fixed part, and it cannot scan to the greatest extent according to the specific structure of a specific part.

SUMMARY OF THE INVENTION

The present invention provides a portable external auditory canal scanner, which aims to solve the above-mentioned problems that the scanner is complicated in structure, inconvenient to carry, and cannot scan with the highest precision for a specific part of the external auditory canal.

In order to achieve the above object, the application adopts the following technical solutions:

It includes the probe, scanner body and grip, as well as fitting bolts, data cables and control equipment. The upper end of the scanner body is connected to the probe, and the lower end is connected to the handle through the fitting bolt. The upper and middle parts of the handle are respectively provided with main The control chip and the USB interface are electrically connected with the USB interface and wirelessly connected with the probe, and the control device is connected with the USB interface through a data line.

Preferably, one end of the probe is provided with a processor unit, an optical transmitter and a miniature camera, the other end of which is fixed on the axis of the upper end of the scanner body, the signal output end of the processor unit, the signal output end of the optical transmitter and the microcamera The signal output ends are all wirelessly connected with the signal receiving end of the main control chip.

Preferably, an antenna receiver is provided on one side of the control device, a Bluetooth module is provided on the opposite side, a control panel and a liquid crystal display screen are provided in the middle of the control device, and the control panel is located at the lower part of the liquid crystal display screen.

Preferably, the scanner body is provided with a signal transmitter matched with the antenna receiver, and the signal transmitter is wirelessly connected with the antenna receiver.

Preferably, the control device further includes a battery, and the battery is electrically connected to the antenna receiver, the control panel, the liquid crystal display screen and the Bluetooth module, respectively.

Preferably, the shape of the scanner body is a circular frustum.

Preferably, it also includes a lithium battery, the lithium battery is arranged inside the handle, and the lithium battery is electrically connected to the probe, the processor unit, the light transmitter, the miniature camera and the main control chip, respectively.

Preferably, the handle is further provided with a charging interface, and the charging interface is electrically connected to the lithium battery.

Preferably, the shape of the probe is a cylindrical shape with a hollow inside.

Preferably, the probe is made of transparent plastic material.

The present invention has the following beneficial effects:

(1) This scheme controls the scanner to scan the external auditory canal through the control device. Either the main control chip can send the collected information to the control device by wireless transmission for display, or the connected data line can be used for wired transmission. The information is sent to the control device for display by means of transmission, which ensures the security of data transmission and improves the efficiency of data transmission;

(2) The main control chip can choose two modes: scanner mode and electric otoscope mode, which can collect the data model of the ear canal and the image information in the ear canal respectively, and transmit the data model and image information through wireless or wired means. It can be transmitted to the LCD screen for display, which can not only make an accurate external auditory canal model, but also observe the situation in the external auditory canal and conduct disease inspections, taking into account both requirements and increasing the applicability of the device;

(3) In this solution, the user can realize the function of data transmission and storage by connecting the Bluetooth module with the mobile phone Bluetooth, which is convenient for exporting the data;

(4) The optical transmitter, processor unit, and micro-camera in the probe can also be turned on and off, the start and pause of signal transmission, and the mode switching can also be performed through the control panel, which is convenient for the operator to use and improves the user experience.

Description of drawings

1 is a schematic structural diagram of a portable external auditory canal scanner in the present invention

FIG. 2 is a schematic structural diagram of a scanning device in the present invention

Fig. 3 is a functional module schematic diagram of the working principle of a device in the present invention

Among them, 1-antenna receiver, 2-control panel, 3-liquid crystal display screen, 4-probe, 41-processor unit, 42-light transmitter, 43-miniature camera, 5-scanner body, 6-fit Bolt, 7-main control chip, 8-USB interface, 9-grip, 10-data cable, 11-control device, 12-Bluetooth module, 13-lithium battery.

Detailed ways

Example 1

As shown in FIG. 1, a portable external auditory canal scanner includes a probe 4, a scanner body 5 and a handle 9, and also includes a fitting bolt 6, a data cable 10 and a control device 11. The upper end of the scanner body 5 is connected to the probe 4. , its lower end is connected with the handle 9 through the fitting bolt 6, the upper and middle parts of the handle 9 are respectively provided with a main control chip 7 and a USB interface 8, the main control chip 7 is electrically connected with the USB interface 8 and wirelessly connected with the probe 4, and the control The device 11 is connected to the USB interface 8 through the data line 10 , and the USB interface 8 and the main control chip 7 are respectively arranged on both sides of the handle 9 and are oppositely arranged.

As shown in FIG. 2 , one end of the probe 4 is provided with a processor unit 41, a light transmitter 42 and a miniature camera 43, and the other end is fixed on the axis of the upper end of the scanner body 5, and the signal output end of the processor unit 41, The signal output end of the light transmitter 42 and the signal output end of the miniature camera 43 are wirelessly connected with the signal receiving end of the main control chip 7; the upper and lower sides of the miniature camera 43 are provided with the light transmitter 42, and the light transmitter 42 and The miniature cameras 43 are all located at one end of the probe 4 , and the processor unit 41 is located at the upper middle of the probe 4 .

Among them, the antenna receiver 1 is provided on one side of the control device 11, the Bluetooth module 12 is provided on the opposite side, the control panel 2 and the liquid crystal display screen 3 are provided in the middle of the control device 11, and the control panel 2 is located at the lower part of the liquid crystal display screen 3; control The side of the device 11 where the antenna receiver 1 is installed is the upper side of the control device 11, the side where the Bluetooth module 12 is installed is the lower side, the side connected to the data cable 10 is the right side, the control panel 2 and the liquid crystal display 3 Adjacent sides are connected and both are located in the middle of the upper surface of the control device 11 . The user can realize the function of data transmission and storage through the Bluetooth module and the mobile phone Bluetooth connection, which is convenient for exporting the data.

The control device 11 is provided with a battery for power supply, which is electrically connected to the antenna receiver 1, the control panel 2, the liquid crystal display 3 and the Bluetooth module 12; The battery 13 is respectively electrically connected with the probe 4, the processor unit 41, the light transmitter 42, the miniature camera 43 and the main control chip 7, the lithium battery 13 is arranged inside the handle 9 and at the bottom, and the handle 9 is also provided with charging The charging interface is electrically connected to the lithium battery 13, and a 3.3V voltage regulator chip is used to manage the power supply of the device, so as to realize the normal use of the device. When the power of the lithium battery 13 is insufficient, it can be charged.

The shape of the scanner body 5 is a circular truncated shape, and the scanner body 5 is provided with a signal transmitter that matches the antenna receiver 1. The signal transmitter is wirelessly connected to the antenna receiver 1. Through this combination, the scanning device and the control device can be realized. The wireless transmission between them, increasing the way of data transmission, can also improve the efficiency of data transmission.

As shown in Figure 3, the working principle of the device is as follows: the data acquisition module includes a miniature camera, a light transmitter, a processor unit, and a probe. The data acquisition module can choose two data acquisition modes, namely otoscope mode and scanner. model;

When the data acquisition module adopts the otoscope module, the otoscope mode is selected: start the device, turn on the micro camera, turn on the light transmitter, put the probe into the ear, and adjust the focus of the micro camera according to the situation in the ear canal. The image information collected by the miniature camera is compressed and encoded and transmitted to the main control chip;

When the data acquisition module adopts the scanner module, the scanner mode is selected: start the device, turn on the micro camera, and turn on the light transmitter, move the scanner near the auricle to collect the stereo image information of the auricle, and insert the probe into the ear canal. At this point, the micro camera is focused according to the situation in the ear canal, and the stereo image information of the ear canal is collected. At this time, the stereo image information collected by the micro camera is processed and integrated into a data model by the processor unit, and the data model is compressed and encoded. Master chip;

The image information and data model collected by the main control chip are transmitted to the control device through wireless or wired point-to-point mode, decoded and restored, and transmitted to the LCD screen through the data transmission module for real-time display. The data storage module stores image information and data models. The main control chip can choose two modes: scanner mode and electric otoscope mode, which can respectively collect the data model of the ear canal and the image information in the ear canal, and transmit the data model and image information to the liquid crystal through wireless or wired means. Displaying on the display screen can not only make an accurate external auditory canal model, but also observe the situation in the external auditory canal and conduct disease inspections. Taking both needs into consideration, the applicability of the device is increased.

Example 2

The difference between this embodiment and Embodiment 1 is that the grip 9 is not provided with the USB interface 8, and is not connected to the control device 11 through the data line 10, and the two independent devices are only connected wirelessly. Reduce the setting of data lines and increase the distance between the control device and the scanning device, which is convenient for operators to use.

Example 3

The difference between this embodiment and Embodiment 1 is that the shape of the probe 4 is a cylindrical shape with a hollow inside and is made of a transparent plastic material. It makes it possible to adjust the focus of the micro camera according to the condition of the ear and increase the clarity.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by those skilled in the art in the field of the present invention are all covered by the patent scope of the present invention. among.

Claims (10)

1. The utility model provides a portable external auditory meatus scanner, including probe (4), scanner body (5) and handle (9), a serial communication port, still include gomphosis bolt (6), data line (10) and controlgear (11), scanner body (5) upper end is connected with probe (4), its lower extreme passes through gomphosis bolt (6) and is connected with handle (9), handle (9) upper portion and middle part are equipped with main control chip (7) and USB interface (8) respectively, main control chip (7) are connected with USB interface (8) electricity and with probe (4) wireless connection, controlgear (11) are connected through data line (10) with USB interface (8).

2. The portable external auditory canal scanner according to claim 1, wherein the probe (4) is provided with a processor unit (41), a light emitter (42) and a micro-camera (43) at one end, and the other end is fixed on the axis of the upper end of the scanner body (5), and the signal output end of the processor unit (41), the signal output end of the light emitter (42) and the signal output end of the micro-camera (43) are all wirelessly connected with the signal receiving end of the main control chip (7).

3. A portable external auditory canal scanner according to claim 1, characterized in that the control device (11) is provided with an antenna receiver (1) on one side and a bluetooth module (12) on the opposite side, the control device (11) is provided with a control panel (2) and a liquid crystal display (3) in the middle, and the control panel (2) is located below the liquid crystal display (3).

4. A portable external auditory canal scanner according to claim 3, characterized in that the scanner body (5) is provided with a signal transmitter matching the antenna receiver (1), the signal transmitter being wirelessly connected to the antenna receiver (1).

5. A portable external auditory canal scanner according to claim 3, characterized in that the control device (11) further comprises a battery, which is electrically connected to the antenna receiver (1), the control panel (2), the liquid crystal display (3) and the bluetooth module (12), respectively.

6. A portable external auditory canal scanner according to claim 1, characterized in that the scanner body (5) is shaped as a truncated cone.

7. The portable external auditory canal scanner according to claim 2, further comprising a lithium battery (13), wherein the lithium battery (13) is disposed inside the handle (9), and the lithium battery (13) is electrically connected to the probe (4), the processor unit (41), the light emitter (42), the micro-camera (43) and the main control chip (7), respectively.

8. A portable external auditory canal scanner according to claim 7, characterized in that the handle (9) is further provided with a charging interface, which is electrically connected to a lithium battery (13).

9. A portable external ear canal scanner according to any of claims 1-8, wherein the probe (4) is cylindrical with a hollow interior.

10. A portable external ear canal scanner according to claim 9, wherein the probe (4) is made of a transparent plastic material.

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