CN212137806U

CN212137806U - MECS (medical science and technology System) transmission medical endoscope camera system

Info

Publication number: CN212137806U
Application number: CN202020831138.7U
Authority: CN
Inventors: 李大洪
Original assignee: Shenzhen Inop Medical Equipment Co ltd
Current assignee: Shenzhen Inop Medical Equipment Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-11
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a medical endoscope camera system of MECS transmission, include: the handheld end comprises a camera and an encoding module, the camera is electrically connected with the encoding module, the camera is used for generating video signals, and the encoding module is used for encoding the video signals; the video signal decoding device comprises a host end, a video signal processing device and a video output module, wherein the host end comprises a decoding module, an image signal processing device and a video output module, the decoding module is electrically connected with the image signal processing device, the decoding module is used for decoding and processing video signals, the image signal processing device is used for processing the video signals, and the video output module is electrically connected with the image signal processing device; and the coaxial cable is used for electrically connecting the handheld end and the host end and is connected between the coding module and the decoding module. The utility model provides a MECS transmits medical endoscope camera system, the host computer part is connected simple and conveniently with the handle portion to reduce generating heat of handle, improve the security of using.

Description

MECS (medical science and technology System) transmission medical endoscope camera system

Technical Field

The utility model relates to the technical field of medical equipment, specifically speaking relates to a medical endoscope camera system of MECS transmission.

Background

A medical endoscope is one of image medical devices, and is an instrument widely used. Under the assistance of a medical endoscope, a user can observe the tissue morphology of internal organs and identify abnormal tissues and possibly hyperplastic or malignant hyperplastic tissues. Medical endoscopes bring convenience to doctors for diagnosis and minimally invasive surgery, and the diagnosis and treatment advantages of the medical endoscopes are well known in the medical field. The medical endoscope is used for imaging directly through naked eyes, and has the defects of small image, inconvenient operation, high requirements on user experience and the like, so that an image pickup system is required for auxiliary imaging. The medical endoscope camera system is used as an auxiliary imaging tool and is a medical electronic instrument for acquiring and processing endoscope images, and the quality of the imaging quality of the medical endoscope camera system directly influences clinical diagnosis and treatment.

At present, a medical endoscope camera system mostly adopts a plurality of strands of inner core cables to connect a handle application part and a host, the fault rate is high, the replacement cannot be carried out, the structural assembly is complex, and meanwhile, a camera signal processor (ISP) is arranged at the front end of the handle, so that the handle is heated, the potential safety hazard exists, and the risk of burning a human body exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical endoscope camera system of MECS transmission, the host computer part is connected simple and conveniently with the handle part to reduce generating heat of handle, improve the security of using.

The utility model discloses a technical scheme that medical endoscope camera system of MECS transmission adopted is:

an MECS-transmissive medical endoscopic camera system, comprising: the handheld end comprises a camera and an encoding module, the camera is electrically connected with the encoding module, the camera is used for generating video signals, and the encoding module is used for encoding the video signals; the video signal decoding device comprises a host end, a video signal processing device and a video output module, wherein the host end comprises a decoding module, an image signal processing device and a video output module, the decoding module is electrically connected with the image signal processing device, the decoding module is used for decoding and processing video signals, the image signal processing device is used for processing the video signals, and the video output module is electrically connected with the image signal processing device; and the coaxial cable is used for electrically connecting the handheld end and the host end and is connected between the coding module and the decoding module.

As a preferred scheme, the host further includes a signal separation module, a network module and a network interface, an input end of the signal separation module is electrically connected to the image signal processor, an output end of the signal separation module is electrically connected to the network module and the video output module, respectively, the network interface is electrically connected to the network module, and the network module converts an input signal into a signal for transmission in the ethernet.

Preferably, the network interface is an RJ45 interface or a gigabit ethernet interface.

As a preferred scheme, the host further includes a voltage conversion module, an input end of the voltage conversion module is connected to an external power supply, and the voltage conversion module is used for supplying power to the host after performing voltage conversion processing.

Preferably, the host further comprises a control module and a control key, the control module is electrically connected with the image signal processor, and the control key is electrically connected with the control module.

Preferably, the impedance of the coaxial cable is 50 ohms.

Preferably, the two ends of the coaxial cable are SMA or MMCX connectors.

Preferably, the coaxial cable comprises two copper cores.

Preferably, the encoding module performs serial encoding processing on the video signal, and the decoding module performs serial decoding processing on the video signal.

The utility model discloses a MECS transmits medical endoscope camera system's beneficial effect is: the camera of the handheld end outputs the generated video signal to the coding module, and the coding module outputs the coded video signal to the host end through the coaxial cable after coding the video signal. After the host end receives the video signal, the video signal is decoded by the decoding module, the decoded video signal is output to the image signal processor for processing, and then the video signal is output by the video output module. The image signal processor that will originally be located handheld end places in the host computer end after, can reduce handheld end generate heat, has avoided the human risk of burning, and video signal carries out the code processing back through the coding module simultaneously, and rethread coaxial cable transmits, has simplified the electric connection structure between handheld end and the host computer end for the equipment connection of handheld end and host computer end becomes more convenient.

Drawings

Fig. 1 is a schematic structural view of the MECS-based medical endoscope transmission imaging system of the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1, the MECS transmission medical endoscope imaging system includes:

the handheld end comprises a camera and an encoding module, the camera is electrically connected with the encoding module, the camera is used for generating video signals, and the encoding module is used for encoding the video signals;

the video signal processing device comprises a host end, a video processing unit and a video processing unit, wherein the host end comprises a decoding module, an Image Signal Processor (ISP) and a video output module, the decoding module is electrically connected with the image signal processor, the decoding module is used for decoding and processing video signals, the image signal processor is used for processing the video signals, and the video output module is electrically connected with the image signal processor;

and the coaxial cable is used for electrically connecting the handheld end and the host end and is connected between the coding module and the decoding module.

In this embodiment, the encoding module may be implemented by a chip of a model 90UB953, the decoding module may be implemented by a chip of a model 90UB954, and the image signal processor may be implemented by a chip of a model EN 781.

The camera of the handheld end outputs a generated video signal to the coding module, and the coding module outputs the coded video signal to the host end through the coaxial cable after coding the video signal. After the host end receives the video signal, the video signal is decoded by the decoding module, the decoded video signal is output to the image signal processor for processing, and then the video signal is output by the video output module. The image signal processor that will originally be located handheld end places in the host computer end after, can reduce handheld end generate heat, has avoided the human risk of burning, and video signal carries out the code processing back through the coding module simultaneously, and rethread coaxial cable transmits, has simplified the electric connection structure between handheld end and the host computer end for the equipment connection of handheld end and host computer end becomes more convenient.

Mecs (medical endiscope camera system) is a coaxial line based technique for superimposing video signals and power. Both transmit high definition video signal and transmission power supply in coaxial cable transmission, be about to high definition video and power supply complex together, transmit on a coaxial line.

The encoding module carries out serial encoding processing on the video signals, and the decoding module carries out serial decoding processing on the video signals.

The host terminal further comprises a signal separation module, a network module and a network interface, wherein the input end of the signal separation module is electrically connected with the image signal processor, the output end of the signal separation module is electrically connected with the network module and the video output module respectively, the network interface is electrically connected with the network module, and the network module converts input signals into signals for transmission in the Ethernet. The signal separation module is used for separating one path of input signals into the same multi-path signals to be output, wherein one path of input signals is output to the high-definition display through the video output module, and the other path of input signals is output to the Ethernet through the network interface after data format conversion is carried out through the network module. Specifically, the network interface may be an RJ45 interface or a gigabit ethernet interface. In this embodiment, the signal splitting module may be implemented by a chip of model number MDIN 380.

The host terminal further comprises a voltage conversion module, wherein the input end of the voltage conversion module is connected with an external power supply, and the voltage conversion module is used for supplying power to the host terminal after voltage conversion processing. Specifically, the external power supply is 220V mains supply, the voltage conversion module comprises a 12V AC-DC module, and can convert 220V mains supply into 12V direct current and supply power to the host, and further, the voltage conversion module further comprises 1.2V, 3.3V and 5V DC-DC modules, and the 1.2V, 3.3V and 5V DC-DC modules are respectively electrically connected with the 12V AC-DC module and are respectively used for providing 1.2V, 3.3V and 5V direct current and supplying power to the host.

The host terminal further comprises a control module and a control key, the control module is electrically connected with the image signal processor, and the control key is electrically connected with the control module. The control module comprises a Micro Control Unit (MCU), the MCU is in communication connection with the image signal processor and controls the video image attributes output by the image signal processor, such as the brightness, resolution, color depth and the like of the video image, through the control keys.

The impedance of the coaxial cable is 50 ohms, and the two ends of the coaxial cable are SMA or MMCX connectors, and the coaxial cable comprises two copper cores. The MECS system can be matched only by detecting the cameras with the front end matched, and if the front end fails or the cable is damaged, the power can be automatically cut off, so that the damage to the cable and equipment is avoided; the MECS system has the overcurrent protection function, namely the output current of the front end is monitored in real time through the voltage drop at the two ends of the sampling circuit, and when the output current is too large, the output of the power supply can be timely closed, so that the whole system is protected.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An MECS-transmissive medical endoscopic imaging system, comprising:

the video signal decoding device comprises a host end, a video signal processing device and a video output module, wherein the host end comprises a decoding module, an image signal processing device and a video output module, the decoding module is electrically connected with the image signal processing device, the decoding module is used for decoding and processing video signals, the image signal processing device is used for processing the video signals, and the video output module is electrically connected with the image signal processing device;

2. The MECS-transmission medical endoscopic camera system according to claim 1, wherein the host further comprises a signal separation module, a network module and a network interface, an input end of the signal separation module is electrically connected to the image signal processor, an output end of the signal separation module is electrically connected to the network module and the video output module, respectively, the network interface is electrically connected to the network module, and the network module converts an input signal into a signal for transmission in the ethernet.

3. The MECS transport medical endoscopic camera system according to claim 2, wherein said network interface is an RJ45 interface or a gigabit ethernet interface.

4. The MECS-transmission medical endoscope camera system according to claim 1, wherein the host further comprises a voltage conversion module, an input end of the voltage conversion module is connected to an external power supply, and the voltage conversion module is used for supplying power to the host after voltage conversion processing.

5. The MECS-transmissive medical endoscopic camera system according to claim 1, wherein said host side further comprises a control module and control buttons, said control module being electrically connected to said image signal processor, said control buttons being electrically connected to said control module.

6. The MECS-transmissive medical endoscopic imaging system according to claim 1, wherein an impedance of the coaxial cable is 50 ohms.

7. An MECS-transmissive medical endoscopic camera system according to claim 6, wherein both ends of said coaxial cable are SMA or MMCX connectors.

8. An MECS-transmissive medical endoscopic camera system according to claim 6, wherein said coaxial cable comprises two copper cores.

9. The MECS-transmitting medical endoscopic camera system according to claim 1, wherein the encoding module performs a serial encoding process on the video signal, and the decoding module performs a serial decoding process on the video signal.