Medical camera equipment

Abstract

The utility model discloses medical camera equipment, which relates to the field of medical equipment and comprises a case, a face frame is mounted on the front side of the case, and a power switch, a touch screen and a display connector are mounted on the face frame in an embedded manner. A case bottom shell is arranged on the back face of the case, a video output board with a photosensitive element is arranged on the case bottom shell, the photosensitive element converts sensed optical signals into electric signals and sends the electric signals to a video processing board, and the video processing board converts the electric signals into digital signals and sends the digital signals to a touch screen. The video processing board is electrically connected and communicated with the video control board, and the display connector is electrically connected with the video control board and used for being externally connected with a displayer and outputting digital signals for imaging. The video control panel is electrically connected with the switching power panel to achieve power supply, one end of the power switch is electrically connected to the switching power panel, and the other end of the power switch is electrically connected with a filter socket installed on the case bottom shell. The utility model has the advantages of clear picture, high image quality, magnifiable image and the like.

Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to a medical imaging device. Background Art

[0002] As a type of imaging medical equipment, medical endoscopes are widely used instruments. With the help of medical endoscopes, users can observe the tissue morphology of organs in the body and identify abnormal tissues and tissues that may proliferate or malignantly proliferate. Medical endoscopes bring convenience to doctors in diagnosis and minimally invasive surgery, and their diagnostic and therapeutic advantages have reached a consensus in the medical field. Medical endoscope imaging is directly observed by the naked eye, and has disadvantages such as small images, inconvenient operation, and high user experience requirements. Therefore, a camera system is needed to assist imaging. As an auxiliary imaging tool, the medical endoscope camera system is a medical electronic instrument used for endoscopic image acquisition and processing. The quality of its imaging directly affects clinical diagnosis and treatment. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a medical imaging device with multiple functions such as clear pictures, high image quality, image magnification and the like.

[0004] The purpose of the utility model is achieved through the following technical solutions: the medical imaging equipment comprises a chassis, a face frame is installed on the front of the chassis, and a power switch, a touch screen and a display connector are embedded and installed on the face frame; a chassis bottom shell is arranged on the back of the chassis, and a video output board with a photosensitive element is arranged on the chassis bottom shell, the photosensitive element converts the sensed light signal into an electrical signal and sends it to a video processing board, and the video processing board converts the electrical signal into a digital signal and sends it to the touch screen; the video processing board is electrically connected to a video control board for communication, and the display connector is electrically connected to the video control board for an external display to output the digital signal for imaging; the video control board is electrically connected to a switching power supply board for power supply, one end of the power switch is electrically connected to the switching power supply board, and the other end of the power switch is electrically connected to a filter socket installed on the chassis bottom shell.

[0005] As a further technical solution, the video processing board and the video control board form a camera main board, and the camera main board is supported and fixed in the chassis.

[0006] As a further technical solution, the face frame is also provided with a USB connector for connecting an external USB device.

[0007] As a further technical solution, a grounding terminal is also provided on the chassis bottom shell, and the grounding terminal is electrically connected to the filter socket and the switch power board.

[0008] The beneficial effects of the utility model are:

[0009] 1. Realize the automatic conversion of optical signals, electrical signals and digital signals, with clear imaging effect and high image quality;

[0010] 2. A USB connector is provided on the face frame to facilitate external USB devices for video recording or video storage;

[0011] 3. A grounding terminal is set on the bottom shell of the chassis. The filter socket is first grounded through the grounding terminal and then connected to the switch power board, making the equipment safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is a schematic diagram of the internal circuit connection structure of the utility model.

[0014] Figure 3 It is the work flow chart of the utility model.

[0015] Explanation of the reference numerals: camera main board 1, switching power board 2, touch screen 3, filter socket 4, chassis bottom shell 5, face frame 6, power switch 7, ground terminal 8, USB connector 9, display connector 10, video output board 11, video processing board 12, video control board 13. DETAILED DESCRIPTION

[0016] The utility model will be described in detail below with reference to the accompanying drawings:

[0017] Example: As attached Figures 1 to 3 As shown, the medical imaging device includes a camera main board 1, a switch power board 2, a touch screen 3, a filter socket 4, a chassis bottom shell 5, a face frame 6, a power switch 7, a ground terminal 8, a USB connector 9, a display connector 10, a video output board 11, a video processing board 12 and a video control board 13.

[0018] Reference Figure 1 A face frame 6 is installed on the front of the chassis of the device, and a power switch 7, a touch screen 3 and a display connector 10 are embedded on the face frame 6. Further, a chassis bottom shell 5 is set on the back of the chassis, and a video output board 11 with a photosensitive element (CCD / CMOS) is set on the chassis bottom shell 5. The working principle is as follows Figure 2 , 3As shown, the photosensitive element is used to convert the sensed light signal into an electrical signal and send it to the video processing board 12, and the video processing board 12 converts the electrical signal into a digital signal and sends it to the touch screen 3. In addition, the video processing board 12 is electrically connected to the video control board 13 for communication. After the display connector 10 is electrically connected to the video control board 13, an external display can be connected, and the digital signal can be output as an image with the help of the HDMI / DVI connector. The video control board 13 is electrically connected to the switching power board 2 to realize power supply, one end of the power switch 7 is electrically connected to the switching power board 2, and the other end of the power switch 7 is electrically connected to the filter socket 4 installed on the chassis bottom shell 5.

[0019] Furthermore, the video processing board 12 and the video control board 13 together form a camera main board 1, and the camera main board 1 is supported and fixed in the chassis.

[0020] Preferably, a USB connector 9 is also provided on the face frame 6, which can be connected to an external USB device for video recording or video storage, facilitating subsequent surgical diagnosis and treatment.

[0021] A grounding terminal 8 is also provided on the chassis bottom shell 5 , and the grounding terminal 8 is electrically connected to the filter socket 4 and the switch power board 2 .

[0022] The working process of this utility model:

[0023] 1. Performance requirements

[0024] 1.1 Image sensor: The camera has 4 sets of 1 / 3-inch CMOS (4K).

[0025] 1.2 Resolution: not less than 2200 lines.

[0026] 1.3 Effective pixels: 3840(H) ×2160(V), 8.2944 million pixels.

[0027] 1.4 Resolution of medical camera system: up to 250LP / ㎜.

[0028] 2. Functional requirements

[0029] 2.1 Image function: It has the functions of vascular contour image enhancement, wide dynamic range (WDR), dark area brightness compensation, overexposure compensation, color adjustment, brightness adjustment, contrast adjustment, color saturation adjustment, and sharpness adjustment.

[0030] 2.2 Scene function: There are 12 endoscope scene modes to choose from.

[0031] 2.3 Moiré removal function: It has the function of removing moiré for ureteroscope and soft endoscope.

[0032] 2.4 Video recording function: The host has a USB interface, which can be connected to a USB flash drive for taking photos and recording videos. The USB video resolution reaches 2160P (4K).

[0033] 2.5 Image magnification: It has the function of magnifying the image 3 times, horizontal and vertical flipping function, and the camera has image freezing function.

[0034] 2.6 Live broadcast: The host has the function of live broadcast of online video.

[0035] 2.7 Video output interface: HDMI interface, DVI interface, AV interface, SDI interface.

[0036] 2.8 Sealing: The camera’s waterproof performance reaches IPX8, and the camera can withstand high temperatures of 134°C and can be immersed in liquids for disinfection.

[0037] 3. Test methods

[0038] 3.1 Image sensor: Connect to the endoscope, turn on the power and perform an operation test. The result shall meet the requirements of 1.1.

[0039] 3.2 Resolution: Resolution measurement shall be carried out in accordance with the provisions of Test Condition 5 and Test Method 6 of GB / T 19953-2005 and shall meet the requirements of 1.2.

[0040] 3.3 Effective Pixels:

[0041] Equipment and Utensils:

[0042] Specially matched objective lens: 1 piece (resolution ≥ 100Lp / mm);

[0043] Monitor for the camera system: 1 unit (the monitor pixel should be no less than the nominal value of the camera);

[0044] Standard resolution boards – 1 set.

[0045] Pre-processing: Camera calibration focal plane - the camera and the matching monitor are correctly connected and powered on. Place the camera at the position of the sample to be tested, observe the monitor screen and adjust the fixed objective lens to infinity focus to make the monitor screen image clearest, and then fix the focus position.

[0046] Test: After completing the pre-processing, keep the system connected, connect the specially matched objective lens to the camera head coaxially, then place the standard resolution board vertically and adjust the focus slightly to make the resolution board image on the monitor screen clearest. Read out the limit readable resolution line group number of the resolution board image (the line pair must be clearly black and white in all four directions) and find out the number of line pairs as P, and at the same time measure the field of view area as S, calculate the effective pixels n=4P2S, and the result should meet the requirements of 1.3.

[0047] 3.4 Resolution of optical adapter: Resolution measurement shall be carried out in accordance with the provisions of Test Condition 5 and Test Method 6 of GB / T 19953-2005 and shall meet the requirements of 1.4.

[0048] 3.5 Image function: Perform the operation as required, and the result should meet the requirements of 2.1.

[0049] 3.6 Scenario function: simulate the operation as required, and the result should meet the requirements of 2.2.

[0050] 3.7 Moiré removal function: Perform the operation as required, and the result should meet the requirements of 2.3.

[0051] 3.8 Video recording function: simulate the operation as required, and the result should meet the requirements of 2.4.

[0052] 3.9 Image magnification: Perform the operation as required. The result should meet the requirements of 2.5.

[0053] 3.10 Live broadcast: Follow the required operation and the result shall meet the requirements of 2.6.

[0054] 3.11 Video output interface: Perform the operation as required, and the result should meet the requirements of 2.7.

[0055] 3.12 After being sterilized at 134℃ or disinfected by immersion, it can still meet the requirements of 1.3 and 2.1.

[0056] It is understandable that, for those skilled in the art, any equivalent replacement or change to the technical solution and the concept of the utility model should fall within the protection scope of the claims attached to the utility model.

Claims

1. A medical imaging device, Features: The invention comprises a chassis, wherein a face frame (6) is installed on the front of the chassis, and a power switch (7), a touch screen (3) and a display connector (10) are embedded and installed on the face frame (6); a chassis bottom shell (5) is arranged on the back of the chassis, and a video output board (11) with a photosensitive element is arranged on the chassis bottom shell (5), wherein the photosensitive element converts the sensed light signal into an electrical signal and sends it to a video processing board (12), and the video processing board (12) converts the electrical signal into a digital signal and sends it to the touch screen (3); the video processing board (12) is electrically connected to a video control board (13) for communication, and the display connector (10) is electrically connected to the video control board (13) for external display to output the digital signal into an image; the video control board (13) is electrically connected to a switch power board (2) for power supply, one end of the power switch (7) is electrically connected to the switch power board (2), and the other end of the power switch (7) is electrically connected to a filter socket (4) installed on the chassis bottom shell (5); A grounding terminal (8) is also provided on the chassis bottom shell (5), and the grounding terminal (8) is electrically connected to the filter socket (4) and the switch power supply board (2).

2. The medical imaging device according to claim 1, Features: The video processing board (12) and the video control board (13) form a camera main board (1), and the camera main board (1) is supported and fixed in the chassis.

3. The medical imaging device according to claim 1, Features: The face frame (6) is also provided with a USB connector (9) for connecting an external USB device.

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