CN207101254U - A kind of electronic oral cavity endoscope with posture sensing device - Google Patents

Abstract

The utility model discloses an electronic oral endoscope with a posture sensing device, the key point of the technical proposal is an electronic oral endoscope with a posture sensing device, and the electronic oral endoscope includes an endoscope host and a display device, the upper end of the endoscope host has a camera module, the endoscope host has a hollow housing, and an attitude sensing device is arranged in the housing, and the attitude sensing device includes information for collecting the attitude information of the endoscope host. An attitude sensor and an attitude information processing unit, the attitude sensing device adjusts the image or photo collected by the camera module through the collected attitude information, so as to ensure that the direction of the output image or photo remains positive. The electronic oral endoscope is equipped with a posture sensing device, which ensures that the direction of the output video image is always consistent with the operation direction, and improves the user's controllability.

Description

An electronic oral endoscope with attitude sensing device

technical field

The utility model relates to the field of oral cavity endoscopes, in particular to an electronic oral cavity endoscope with a posture sensing device.

Background technique

With the continuous updating of medical equipment, electronic oral endoscopes are widely used in major hospitals and outpatient clinics. Different from traditional endoscopes that use mirror reflection, electronic oral endoscopes are specially constructed camera lenses that can be inserted into the oral cavity to take pictures, collect pictures or images in the oral cavity, and transmit them to the display device. Displays a clear and magnified image on the display. With the assistance of the endoscopic system, dentists can better discover the lesions that occur on soft and hard tissues.

Although the electronic oral endoscope is more intelligent than the traditional oral endoscope, it has the following disadvantages: due to the different shooting positions and shooting angles during shooting, the pictures or images collected by the camera are often tilted or flipped. Inspections such as B-ultrasound or CT can adjust the angle of the picture afterwards. Oral testing is usually carried out in real time, so the tilting or flipping of the displayed image direction will not only cause inconvenience to the analysts, but more seriously, it will cause wrong diagnosis.

Utility model content

The purpose of the invention of the utility model is to provide an electronic oral endoscope, the electronic oral endoscope is equipped with a posture sensing device, and the posture sensor adjusts the output video through the collected posture information to ensure the output The direction of the video screen is always consistent with the operation direction, which improves the controllability.

In order to realize the above-mentioned purpose of the invention, the utility model adopts the following technologies:

An electronic oral cavity camera with a posture sensing device, the electronic oral cavity camera includes an endoscope host and a display device, the upper end of the endoscope host has a camera module for collecting intraoral images or photos, and the endoscope The mirror host has a hollow housing, and an attitude sensing device is arranged in the housing, and the attitude sensing device includes an attitude sensor for collecting the attitude information of the endoscope host and an attitude information processing unit for processing the attitude information according to an algorithm, The posture sensing device adjusts the images or photos collected by the camera module through the collected posture information, so as to ensure that the screen direction of the output images or photos remains positive.

Preferably, the attitude sensor is one or a combination of acceleration sensors, gyroscopes, tilt sensors, angular velocity sensors, and magnetic field sensors.

Preferably, the attitude sensor is a combination of a three-axis acceleration sensor and a gyroscope. The combination of the acceleration sensor and the gyroscope has a simple structure and low cost, and the measurement error is effectively suppressed, which greatly improves the accuracy of the attitude sensing device.

As a preference, an installation cavity is provided at the upper end of the housing, one end of the installation cavity communicates with the inside of the housing, and the other end has an opening. The camera module is arranged in the installation cavity. The camera module includes a macro lens and an imaging chip CMOS. The imaging distance is not greater than 5mm. The above-mentioned camera module has a small structure and is suitable for a small oral cavity space.

Preferably, the endoscope main unit also has a supplementary light source, which is a plurality of white LEDs distributed on the periphery of the macro lens, so as to ensure that clear pictures or images can be collected in the environment of poor light in the oral cavity.

Preferably, the endoscope host is further equipped with a wireless communication module, and the wireless communication module transmits the images or pictures collected by the camera module to the display device through wireless transmission. Wireless transmission is adopted between the endoscope host and the display device, and there is no need for connection between the two, which reduces the burden of use and makes the operation easier; secondly, the endoscope host and display device are no longer required for oral inspection In the same space, the user can use the endoscope host for detection at home, and at the same time transmit the video or photo to the remote doctor for analysis in real time, and give a professional analysis report.

Preferably, the endoscope host also has a power module, which supplies power to the endoscope host.

Preferably, the endoscope host has a button control module and a status indicator light for displaying the state of the electronic oral endoscope, the button control module collects user instruction information, processes it and drives the corresponding module to execute the user instruction, the button control module includes installation The button block on the surface of the grip part for the user to operate and the button sensor installed inside the endoscope main body to collect instruction information.

Preferably, the electronic intraoral camera also includes a base, the inside of which has a storage cavity for storage, the base includes a base and a bracket, the bracket is detachably mounted on the base, and the upper surface of the bracket is A concave cavity for placing the main body of the endoscope and a groove for placing display equipment are provided.

Preferably, the housing is hollow cylindrical, the upper part of the housing is the detection part, and the lower part is the gripping part. The outer diameter of the gripping part is larger than the outer diameter of the upper detection part of the housing, which increases the comfort of the hand when holding.

Compared with the prior art, an electronic intraoral camera with a posture sensing device adopting the above technical solution has the following beneficial effects:

The endoscope mainframe of the electronic oral endoscope is equipped with a posture sensing device, and the posture information collected by the posture sensing device is adjusted to the output video according to the collected posture information, so as to ensure that the direction of the output video picture is always consistent with the The operation direction is consistent to improve the user's controllability.

Description of drawings

Fig. 1 is a schematic structural diagram of an electronic oral endoscope with a posture sensing device according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the structure of the endoscope host in the embodiment of the present invention;

Fig. 3 is a schematic diagram of the structure of the base and the display device in the embodiment of the utility model;

Fig. 4 is a schematic diagram of the structure of the base and the display device in the embodiment of the utility model;

Fig. 5 is a schematic structural diagram of the front of the endoscope host in the embodiment of the present invention;

Fig. 6 is a schematic diagram of the internal structure of the front of the endoscope main unit in the embodiment of the present invention;

Fig. 7 is a schematic structural diagram of the back of the endoscope main unit in the embodiment of the present invention;

Figure 8 is a schematic diagram of the internal structure of the back of the endoscope main unit in the embodiment of the present invention;

Fig. 9 is a block diagram of the working principle of the attitude sensing device in the embodiment of the utility model;

Fig. 10 is a block diagram of the working principle of the attitude sensing device in another embodiment of the present invention.

Reference signs: 1. Endoscope main unit; 10. Housing; 101. Detection part; 102. Control part; 103. Installation cavity; 11. Main control circuit board; 12. Camera module; 121. Macro lens; 122 1. Lens protection sheet; 13. Supplementary light source; 14. Charging interface; 15. Protective cover; 16. Button block; 17. Status indicator light; 2. Bracket; 3. Base; 4. Display device.

Detailed ways

The utility model will be further described below in conjunction with accompanying drawings 1 to 10.

The electronic intraoral camera includes an endoscope host 1 and a display device 4 .

As shown in Fig. 1 and Fig. 2, the endoscope main body 1 has a substantially hollow cylindrical casing 10, and the casing 10 is usually made of plastic or resin material. The casing 10 is thinner at the top and thicker at the bottom. The casing 10 has a handle 102, which is located at the lower part of the casing 10. The outer diameter of the handle 102 is larger than the outer diameter of the upper part of the casing 10. The handle 102 increases the comfort of the user when holding sense. The upper part of the casing 10 is a detection part 101, which is in the shape of a slender rod, and is easy to extend into the oral cavity during detection.

As shown in Fig. 2, in this embodiment, the detection part 101 and the grip part 102 are integrally formed. Of course, the detection part 101 and the grip part 102 can also be set to be detachable, so that the overall structure of the endoscope main body 1 is smaller and easy to store. Or the detection part 101 and the handle part 102 are set to be bendable, so that the shape of the casing 10 can be changed to adapt to different detection angles or different detected persons. In this embodiment, the detection part 101 and the grip part 102 are basically located on a straight line, and the detection part 101 and the grip part 102 can also be integrally formed into an "L" shape or other shapes.

As shown in Figure 6 and Figure 9, there is a main control circuit board 11 inside the casing 10, and a control processor is provided on the main control circuit board 11, and the control processor is connected to multiple functional modules.

As shown in Figure 2, Figure 5 and Figure 6, the upper end of the detection part 101 is provided with an installation cavity 103, one end of the installation cavity 103 communicates with the inside of the housing 10, and the other end has an opening, the installation cavity 103 is installed for collecting different positions in the oral cavity And the camera module 12 of the picture or image of the angle. The camera module 12 includes a macro lens 121 and an imaging chip CMOS. The camera module 12 is connected to a control processor, and the captured images are subjected to video preprocessing, ISP adjustment, video postprocessing and codec through the control processor. Due to the small space in the oral cavity and the small distance between the subject and the lens, the minimum clear imaging distance of the macro lens 121 is usually not greater than 10mm, preferably 5mm. Due to the humid environment in the oral cavity, the macro lens 121 also has a lens protection sheet 122 . During installation, the lens protection sheet 122 seals the opening of the installation cavity 103, and the edges of the lens protection sheet 122 and the housing 10 are welded by ultrasonic waves, which can realize the waterproof function and prevent liquid from entering the interior of the endoscope host 1 through the camera to short-circuit the electronic devices . Secondly, the lens protection sheet 122 also protects the lens from abrasion.

As shown in Figure 5, the light in the oral cavity is dark and the camera effect is not good. Therefore, a supplementary light source 13 is also provided in the installation cavity 103. The supplementary light source 13 is usually one or more white LEDs, which are arranged near the macro lens 121. A better arrangement is that a plurality of white light LEDs are evenly distributed on the periphery of the macro lens 121 , so that the light distribution can be more uniform and the video imaging effect can be better.

There is an attitude sensing device inside the housing 10, and the attitude sensing device includes an attitude sensor and an attitude information processing unit. The attitude sensor is used to collect the three-dimensional attitude data of the endoscope, which can be an acceleration sensor, a gyroscope, an inclination sensor, an angular velocity sensor, a magnetic field sensor, and the like. The attitude information processing unit is connected to the control processor, and the attitude information processing unit adaptively adjusts the direction of the video displayed by the display device according to the attitude information obtained by the sensor, automatically rotates, mirrors or flips the output video, and outputs it to the display device 4. To ensure that the direction of the video screen displayed by the display device is consistent with the operation direction at all times, making the operation more convenient for users.

As shown in Figure 9, since the internal space of the endoscope host is small, the attitude sensor in this embodiment adopts the x, y, z three-axis acceleration sensor, and the acceleration sensor is preferably a MEMS sensor utilizing piezoresistive type, electrostatic capacity type or thermal detection type . Since the MEMS sensor is very small, it can be easily installed inside the housing 10 . The three-axis acceleration sensor samples the acceleration values Gx, Gy and Gz of the x-axis, y-axis and z-axis, and the attitude information processing unit processes the measured data according to the corresponding algorithm.

In the above embodiment, only the acceleration sensor is used for sampling, and the sampling value will produce errors due to factors such as temperature drift, mechanical vibration, and noise. If the gyroscope is used alone, drift errors will occur as the working hours increase; It is difficult for sensors to obtain reliable attitude information. As shown in Figure 10, in order to overcome the above problems, another preferred implementation is that the attitude sensor uses a combination of various types of sensors, such as an acceleration sensor combined with a gyroscope, and the system obtains the three-axis acceleration values Gx, Gy and Gz from the acceleration sensor. Then obtain the rotational angular velocity values Wα, Wβ, and Wγ at the current moment from the gyroscope, and then the attitude information processing unit uses a fusion algorithm to process the data measured by the two. The combination of the acceleration sensor and the gyroscope has a simple structure and low cost, and the measurement error is effectively suppressed, which greatly improves the accuracy of the attitude sensing device.

The display device 4 can also be a special device matched with the endoscope host 1, and the endoscope host 1 can transmit data with the display device 4 through a wired connection.

In this embodiment, the endoscope host 1 and the display device 4 adopt a wireless connection, and the display device is a mobile phone, a tablet computer, etc. commonly used by 4. The endoscope main unit 1 includes a wireless communication module arranged in the casing 10, and the wireless communication module is connected to the control processor, and is used to transmit the processed pictures or video data to the display device through wireless transmission. The wireless transmission method may be bluetooth or wifi, but is not limited to the above methods.

The use of wireless transmission has the following advantages: firstly, there is no need for connection between the display device and the endoscope host 1, and the user's operation is more convenient during detection; secondly, since the display device and the endoscope host 1 adopt wireless transmission, no longer The endoscope host 1 and the display device are required to be in the same space, so the user can use the endoscope host 1 for detection at home, and at the same time transmit the video or photo to the remote doctor for analysis in real time, and give a professional analysis report .

As shown in Figure 7 and Figure 8, a power module is also arranged inside the housing 10, and the power module supplies power to the endoscope host 1. The power supply module can be charged in a wired manner. In this embodiment, a charging interface 14 is provided on the back of the handle 102. The charging interface 14 is usually a USB interface. Through the charging interface 14, the endoscope host 1 can be charged, and the charging interface 14 can also be charged. The recorded video can be copied. In order to make the overall waterproof effect of the endoscope main body 1 better, and prevent the charging interface 14 from being damaged due to exposure, the endoscope main body 1 also has a protective cover 15. When the charging interface 14 is not in use, the protective cover 15 is embedded The casing 10 is used to enclose the charging interface 14 . In addition to the above-mentioned wired charging method, the power module can also be charged in a non-contact manner, such as charging by electromagnetic induction. This method does not require a charging interface 14 on the housing 10, which reduces the processing cost of the housing 10. At the same time, the water resistance of the whole machine is improved.

As shown in Fig. 5 and Fig. 6, a button control module is also provided in the housing 10. The button control module includes a button block 16 embedded in the surface of the handle 102, a button sensor and a button control circuit connected to the control processor. The button block 16 includes a power supply Control key, supplementary light source 13 Control key, video shooting control key, the key sensor collects the electrical signal of the corresponding key and sends it to the control processor for signal processing, and drives the corresponding module and executes the corresponding instruction through the key control circuit.

The endoscope main unit 1 also includes a status indicator light 17, the display interface of the status indicator light 17 is arranged on the surface of the housing 10, and the control processor displays the current state of the oral endoscopic machine through the status indicator light 17, and the status indicator light 17 displays The content includes: whether the system is working normally, network connection, whether the buttons are normal, battery power, charging progress, etc.

As shown in Figures 1 to 4, the intraoral endoscope also includes a base, the base includes a base 3 and a bracket 2, and the base has multiple functions: when the oral endoscope is in the display state, the base is used to support the endoscope host 1; , the base can be used as a support frame for supporting mobile phones or tablet computers; the base also has a storage function.

The above description makes the preferred embodiment of the present utility model, for those of ordinary skill in the art, under the premise of not departing from the principle of the present utility model, some modifications and improvements can also be made, and these should also be regarded as protection of the present utility model scope.

Claims (10)

1. a kind of electronic oral cavity endoscope with posture sensing device, the electronic oral cavity endoscope includes endoscope main frame and shown Show equipment, endoscope main frame upper end has the photographing module for acquisition port intracavitary image or photo, it is characterised in that：Endoscope Main frame has hollow housing, and posture sensing device is set in housing, and the posture sensing device includes being used to gather endoscope The attitude transducer of attitude information residing for main frame and the attitude information processing unit according to algorithm process attitude information, the appearance The image or photo that state sensing device is gathered by the attitude information of collection to photographing module are adjusted, to ensure the shadow of output The picture direction of picture or photo keeps positive.

2. electronic oral cavity endoscope according to claim 1, it is characterised in that：The attitude transducer is acceleration sensing One or more combinations of device, gyroscope, inclination sensor, angular-rate sensor, magnetic field sensor.

3. electronic oral cavity endoscope according to claim 2, it is characterised in that：The attitude transducer is 3-axis acceleration The combination of sensor and gyroscope.

4. electronic oral cavity endoscope according to claim 1, it is characterised in that：Housing upper end opens up installation cavity, installation cavity One end and enclosure interior UNICOM, the other end have opening, and photographing module is arranged in installation cavity, and photographing module includes micro-lens With imager chip CMOS, the distance of the photographing module most I blur-free imaging is not more than 5mm.

5. electronic oral cavity endoscope according to claim 4, it is characterised in that：The endoscope main frame also has light filling Source, light filling source are multiple white light LEDs for being distributed in micro-lens periphery.

6. electronic oral cavity endoscope according to claim 1, it is characterised in that：The endoscope main frame also sets up channel radio Believe module, the image or picture that wireless communication module gathers photographing module are transferred to display by way of being wirelessly transferred and set It is standby.

7. electronic oral cavity endoscope according to claim 1, it is characterised in that：Endoscope main frame also has power module, Power module is powered to endoscope main frame.

8. electronic oral cavity endoscope according to claim 1, it is characterised in that：Endoscope main machine has key control module With the status indicator lamp for showing electronic oral cavity endoscope state, key control module collects the command information of user, carries out Handle and drive corresponding module to perform user instruction, key control module is included installed in handle part surface for user's operation By the key sensor of key block and the acquisition instructions information inside endoscope main frame.

9. electronic oral cavity endoscope according to claim 1, it is characterised in that：The electronic oral cavity endoscope also includes bottom Seat, the chassis interior have the storage chamber for storing, and base includes pedestal and support, and the support is removably installed in On pedestal, the rack upper surface is provided with for the cavity of deploying endoscope main frame and the groove for putting display device.

10. the electronic oral cavity endoscope according to any one of claim 1 to 9, it is characterised in that：Housing is hollow tube-shape, Housing upper is test section, and bottom is handle part, and the external diameter of handle part is more than the external diameter of housing upper test section.