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Summary of Contents for Comen CVL-1
- Page 1 Video Laryngoscope Service Manual Shenzhen Comen Medical Instruments Co., Ltd.
- Page 3 Manual. This Manual does not imply the transfer of any proprietary right under patent law to any third party. Comen shall not be liable for any legal consequences arising out of breach of the patent law or infringement of any third-party rights.
- Page 4 Service Manual of Video Laryngoscope Blank Page...
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Page 5: Table Of Contents
Service Manual of Video Laryngoscope Contents Chapter 1 Safety ............................... 1-1 1.1 Safety Information ..........................1-1 1.2 Symbols .............................. 1-4 Chapter 2 Warranty Service ..........................2-1 Chapter 3 Cleaning and Disinfection........................ 3-1 Chapter 4 Working Principle ..........................4-1 4.1 Overview ............................4-1 4.1.1 Brief Introduction of Video Laryngoscope ................ - Page 6 Service Manual of Video Laryngoscope 8.4 Remove the Mainboard ........................8-3 8.5 Remove the Camera Subboard ......................8-4 Chapter 9 Components ............................. 9-1 9.1 Introduction ............................9-1 9.2 Main Body ............................9-2 9.2.1 Exploded View ........................9-2 9.2.2 Parts List ..........................9-3...
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Page 7: Chapter 1 Safety
Chapter 1 Safety 1.1 Safety Information WARNING Alerts you to situations that may result in serious consequences or adverse events or endanger personal safety. Failure to observe this WARNING may cause severe injury or even death of the user or patient, or property damage. CAUTION Alerts you to potential dangers or unsafe operations, which, if not avoided, may result in minor ... - Page 8 Any repair and upgrade of this device must be performed by the service personnel trained and authorized by Comen. If the device malfunctions, please contact Comen promptly. The device should not be used close to or in a stack with other devices. If such use is required, please ...
- Page 9 Place the device on a stable and vibration-free table or in a well-ventilated cabinet. Follow the User Manual to disinfect and clean the device. Use the accessories and consumables approved by Comen only. DO NOT use the device while charging. ...
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Page 10: Symbols
Safety 1.2 Symbols Device Symbols Note! Battery level indicator USB port ON/OFF button Waste electrical electronic Environmental protection for 20 years equipment sorting collection Serial number Manufacturer IPX0 IP Code Refer to accompanied documentation Alternating current Direct Current ～ Do not re-use Sterilization with Ethylene Oxide Double insulation mark for Class II... -
Page 11: Chapter 2 Warranty Service
Comen for repair, the transportation expense (including customs fees) should be on the customer’s account. If you do not pay or delay the payment for any charges of our paid repair services, Comen will suspend the provision of repair services until you make the payment. - Page 12 Warranty Service If you need to return the product to Comen, please follow the procedure below: Request for product return: You must provide product serial number, which can be found on the product’s nameplate. If the serial number is illegible, your return request will be rejected. Please also present the serial...
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Page 13: Chapter 3 Cleaning And Disinfection
Chapter 3 Cleaning and Disinfection The main body of the Video Laryngoscope, charger and charging cable shall be cleaned regularly, and shall be cleaned more frequently in areas with severe pollution or heavy sandstorms. These are not waterproof components, and shall not be immersed when cleaning them. Any of the following detergent &... -
Page 14: Chapter 4 Working Principle
Chapter 4 Working Principle 4.1 Overview 4.1.1 Brief Introduction of Video Laryngoscope The Video Laryngoscope is intended to provide assistance for tracheal intubation in ICU, Emergency Department and Anaesthesiology Department. It is mainly used to lift up the patient’s epiglottis to expose the glottis, and thus to guide the medical staff to perform tracheal intubation accurately. -
Page 15: System Structure Diagram
Working Principle 4.1.3 System Structure Diagram SD card Flash Data export/ charging interface Camera interface module Main control module Power management IC Camera (PMIC) light module source Display screen Battery module Gravity Touch acceleration test screen indicator module Fig. 4-1 4.2 Modules 4.2.1 Mainboard As the core control system of the Video Laryngoscope, the mainboard is responsible for processing input and... - Page 16 Working Principle 1.0V power domain for main control (except CORE) 1.8V power domain for main control 1.0V power domain for main Battery control CORE DDR3 module main Startup/shutdown circuit control 3.3V power domain for main control Forced shutdown Other 3.3V peripherals except Main control main control 5V boost circuit...
- Page 17 Working Principle Fig. 4-4 VCC_LED_A, GND GND, CAM_5V LCD_3V3, GND, CTP_INT, 12C1_SDA_CAP_TOUCH, 12C1_SCL_CAP_TOUCH RGB_LEDA, VCC_IO, RGB_VSYNC, DSI_DOP/LCD_D1, RGB_SPI_SCK, RGB_SPI_SDA, GND, RGB_BO, RGB_B2, RGB_B4, RGB_G1, RGB_G3, RGB_G5, RGB_R1 GND, N23178418, N23178421, LCD_3V3 GND, BAT+, SNSP, NTC TYPE_C_5V, USBDP_PC, USBDM_PC, GND TF_D1, TF_D0, GND, TF_CLK, LCD_3V3, TF_CMD, TF_D3, TF_D2 Table 4-1...
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Page 18: Camera Subboard
Working Principle 4.2.2 Camera Subboard Fig. 4-5 Pin 1 Pin 2 USB D- Pin 3 USB D+ Pin 4 VCC+5V Table 4-2 Camera end of camera subboard: Fig. 4-6 Brown wire... -
Page 19: Adapter
Working Principle Black wire White wire Pink wire Grey wire Blue wire Red wire Shielded wire Table 4-3 4.2.3 Adapter Fig. 4-7 Model of adapter GTM46101-1005-USB Dimension of adapter L*W*H: see Fig. 12 Input Voltage: 100-240V; Frequency: 50-60Hz Output Voltage: 5.0V; Power: 10W; Current: 2A Table 4-4... - Page 20 Working Principle Fig. 4-8...
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Page 21: Chapter 5 Troubleshooting
5.1 Introduction This chapter introduces some common troubleshooting methods for the Video Laryngoscope. If the problem you encounter is not listed herein, please contact Comen’s After-sales Service Department in time. 5.2 Replaceable Components Main parts and components in the PCB of the Video Laryngoscope are all replaceable. If any fault of an independent PCB is found, please replace it with a new one as instructed in the “Assembly and Disassembly”... -
Page 22: Troubleshooting
Troubleshooting Fig. 5-1 5.5 Troubleshooting 5.5.1 Power Error Phenomenon Causes Action Low battery or Battery Error Check the battery power (normally >3.5V) Video The ON/OFF button is damaged. Replace the ON/OFF button. Laryngoscope Replace the mainboard (check whether the following cannot start up The mainboard is damaged. -
Page 23: Battery Error
Troubleshooting or poorly connected. mainboard and LCD screen. The mainboard is damaged. Replace the mainboard. The LCD module is damaged. Replace the LCD module. The connection cable is damaged 1. Check the cable connection between the Uneven screen brightness or poorly connected. mainboard and LCD screen. -
Page 24: Data Transfer Failure
Troubleshooting The mainboard is damaged. Replace the mainboard. The flexible flat cable of camera Check the flexible flat cable between the mainboard module becomes loose or is and camera module. damaged. The flexible flat cable of camera Check the flexible flat cable between the mainboard Picture exists, but module becomes loose or is and camera module. -
Page 25: Chapter 6 Software Upgrade
3） Click Execute, and wait for several minutes for upgrade; the burner displays that download is finished. NOTE Before upgrading the software, please confirm with Comen After-sales Service Department whether the software package is compatible with your device. -
Page 26: Chapter 7 Performance Verification
Chapter 7 Performance Verification 7.1 Photo Shooting and Video Recording Test Please follow the steps below: Turn on the Video Laryngoscope. When checking the main interface, a real-time video recording background will appear. Click the Photo Shooting button; a prompt indicating successful photo shooting will appear. Click the Video Recording button;... -
Page 27: Chapter 8 Maintenance And Disassembly
This Chapter describes the maintenance and disassembly steps of the Video Laryngoscope. Only qualified service personnel (biomedical engineer or technician) authorized by Comen are allowed to open the rear housing of the device and remove, replace or repair the components. If you do not have a qualified engineer, please contact Comen or your local Comen office. -
Page 28: Remove The Battery
Maintenance and Disassembly Service personnel should take anti-static measures before disassembly in order to avoid damage of electronic components. Please disassemble the product following a certain sequence. To avoid irreversible damage of the product, DO NOT forcedly disassemble the product. Please make sure all connecting cables have been disconnected before disassembly. -
Page 29: Remove The Mainboard
Maintenance and Disassembly Fig. 8-1 8.4 Remove the Mainboard Remove the 3pcs of M2*0.4 screw; Fig. 8-2 Disconnect the cables connecting the display screen and the touch screen to the mainboard, and take out the mainboard;... -
Page 30: Remove The Camera Subboard
Maintenance and Disassembly Fig. 8-3 8.5 Remove the Camera Subboard Disconnect the cables connecting the mainboard; Remove the 3pcs of M1.4*0.3 screw, and take down the camera subboard. Fig. 8-4... -
Page 31: Chapter 9 Components
Chapter 9 Components 9.1 Introduction This Chapter provides an exploded view of the Video Laryngoscope and a description of parts, in order to explain the assembly relationship of the parts and facilitate the removal and replacement of parts by maintenance personnel. -
Page 32: Main Body
Components 9.2 Main Body 9.2.1 Exploded View Figure 9-2 Exploded View of Main Body of CVL-1... -
Page 33: Parts List
Components 9.2.2 Parts List Part No. Description Remarks: Middle shell of display screen of For installation of screen, mainboard, battery, laryngoscope etc. Providing certain waterproof and dustproof Sealing plug effect for the TYPE-C interface. Oblong silicone ON/OFF button For pushing the button. Silicone button supporting seat of For supporting the silicone button and laryngoscope... - Page 34 For increasing the brightness within the High-brightness white LED light visual field. Side panel of laryngoscope - neonate 1PC. This material varies with the model. Laryngoscope blade - neonate 1PC. This material varies with the model. Table 9-1 Parts List for Main Body of CVL-1...
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