The Accutorr® 7/VS-900c Vital Signs Monitor is a medical device designed for monitoring physiological parameters in adult, pediatric, and neonatal patients within healthcare facilities. It provides continuous monitoring of SpO2, Pulse Rate, NIBP, and Temperature, with an optional CO2 monitoring feature available for the Accutorr 7 model. The device is intended for use by clinical physicians or appropriate medical staff under the direction of physicians.
Function Description:
The monitor serves as a central unit for acquiring, displaying, reviewing, storing, and printing patient physiological data. It incorporates audible and visual alarm indications to alert staff to patient or equipment problems. The system supports multiple input devices, including buttons, a knob, and a touchscreen, for user interaction. Program upgrades can be performed over a network connection.
The main unit of the vital signs monitor is composed of three primary parts:
- Front housing assembly: This includes the main board, an optional Wi-Fi module (for Accutorr 7), keypad board assembly (with the knob), display, touchscreen, and alarm lamp board.
- Rear housing assembly: This contains the power module (AC/DC), power management and interface board (which includes SpO2 isolation power), recorder, speaker, battery, NIBP module, and SpO2 board.
- External module: This refers to the Temperature module.
The main board acts as the control center, facilitating communication with various modules (SpO2 board, NIBP module, Temperature module, power management board, keypad board, recorder), driving the display and backlight, providing USB and network connectors, and supporting SD card and optional Wi-Fi module functionality.
Important Technical Specifications:
- Monitored Parameters: SpO2, Pulse Rate, NIBP, Temperature (SmarTemp™ or Exergen TemporalScanner™), and optional CO2 (Accutorr 7 only).
- Power Requirements: 100 to 240V AC, 0.9 to 0.5A, 50/60 Hz.
- Environmental Requirements:
- Operating Temperature: 0 to 40°C (without Temperature module), 5 to 40°C (with SmarTemp module), 16 to 40°C (with Exergen Temp module).
- Storage Temperature: -30 to 70°C (without Temperature module), -20 to 50°C (with Exergen Temp module).
- Relative Humidity (noncondensing): 15% to 95% (operating), 10% to 95% (storage).
- Altitude: 427.5 to 805.5 mmHg (operating), 120.0 to 805.5 mmHg (storage).
- Connectivity: Standard RJ45 network connector, multi-function connector (for nurse call or DIAP protocol devices), USB connector (for barcode scanner or USB disk), equipotential grounding terminal.
- Wi-Fi Module (Accutorr 7 only): Supports 802.11 a/b/g/n Mindray proprietary network.
- Battery: Internal battery (2600mAh) for portable operation.
- Recorder: Thermal printhead for printing monitored information.
Usage Features:
- Alarm System: Provides audible and visual alarms for patient and equipment issues.
- Data Management: Enables display, review, storage (SD card or USB drive), and printing of monitored information.
- User Interface: Features buttons, a rotary knob, and a touchscreen for intuitive operation.
- Nurse Call Function: Supports connection to hospital nurse call systems.
- Remote Viewing: For Accutorr 7, supports remote viewing and communication with the BeneVision Central Monitoring System (CMS).
- Barcode Scanner Support: Allows for clinical data acquisition via a barcode scanner.
- Temperature Modules: Supports both SmarTemp™ and Exergen TemporalScanner™ thermometer modules, offering different temperature measurement methods.
- CO2 Monitoring (Accutorr 7 only): Provides continuous, non-invasive measurement of CO2 concentration, including EtCO2, FiCO2, and awRR.
Maintenance Features:
- Performance Tests: Regular performance and accuracy tests are recommended for SpO2, NIBP, CO2, and Temperature modules. These include leakage tests, accuracy tests, overpressure protection circuit tests, and calibration procedures.
- Visual Inspection: Routine inspection of the equipment's appearance, external connections, and safety labels to ensure no damage or loose components.
- Electrical Safety Tests: Comprehensive electrical safety inspections are recommended as part of a preventive maintenance program, including checks of the power cord plug, device enclosure, accessories, and labeling.
- Troubleshooting Guide: The manual provides detailed troubleshooting tables for various issues such as power on/off failures, display failures, alarm lamp failures, button and encoder failures, sound failures, battery failures, recorder failures, output interface failures, data storage failures, wired network problems, Wi-Fi related problems, module defects, and specific Exergen TemporalScanner™ and CO2 module problems.
- Part Replacement: Instructions for disassembling and replacing printed circuit boards (PCBs) and major components are provided to facilitate repairs.
- Software Upgrade: The device supports software upgrades, which should be performed by Mindray authorized service personnel.
- Hardware Upgrade: The monitor can be upgraded to include additional functions like SpO2 measurement (Masimo or Nellcor) and Temperature measurement (SmarTemp™ or Exergen TemporalScanner™), as well as Wi-Fi functionality for the Accutorr 7.
- Passwords: Access to user maintenance and configuration modes is protected by passwords, which users are advised to change upon taking ownership of the equipment. Factory maintenance and demo modes also require passwords, available from Mindray service personnel.
- Service Life: The expected service life of the equipment is five years, with regular inspections and maintenance recommended to ensure normal function.
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