Covidien / Valleylab VNUS RFG2 Radio Frequency Generator

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- Covidien Valleylab VNUS RFG2 Radio Frequency Generator 

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The Covidien Valleylab VNUS RFG2 Radio Frequency Generator is a microprocessor-controlled, bipolar high-frequency energy generator specifically designed for endovenous radiofrequency ablation. It is primarily used to treat varicose veins and chronic venous insufficiency by supplying controlled heat through a catheter to collapse and seal diseased vessels.

Technical Specifications

- Model: VNUS RFG2 (also known as RFG Plus)

- Weight: ~3 kg to 9 kg (20 lbs) max

- Dimensions: ~30 x 25 x 15 cm to 38cm x 38cm x 19cm

- Power Supply: 100-240V, 50/60Hz

- Controls: Microprocessor/software-controlled with LCD display

- Compatibility: Validated for use with VNUS ClosureFAST, ClosurePlus, and ClosureRFS devices

- Data Management: Includes Multimedia Card (MMC) for data storage.

Key Features & Functionality

- Intended Use: Specifically for vessel and tissue coagulation in vein ablation procedures.

- Parameters: Displays real-time RF output power, load impedance (ClosureRFS only), and temperature.

- Safety Features: Continuous, real-time temperature monitoring and automated shutdown for excessive temperature or operational errors.

- Compatibility: Designed to work specifically with VNUS Medical Technologies catheters.

- Operation: The generator stays outside the sterile field. Instrument cables connecting the catheter to the generator are reusable and sterilisable by autoclave. 

Operating Modes

- POST (Power On Self-Test): Automatically checks internal software, ROM, and RAM on startup.

- RF Treatment Mode: Delivers energy, controlled by pre-set time and temperature.

- Measure Mode: Used to measure body impedance during the procedure.

The VNUS RFG2 was created by COVIDIEN to offer efficient and accurate treatment for vascular conditions, often used in minimally invasive settings to reduce patient recovery time.

The Covidien Valleylab VNUS RFG2 Radio Frequency Generator is a reliable electrosurgical device designed for various medical applications. Known for its precision and efficiency, this unit offers advanced radiofrequency energy delivery, ensuring optimal performance in minimally invasive procedures. The VNUS RFG2 is commonly used in vein therapy and other surgical settings where precise cutting, coagulation, and tissue ablation are required. This model is valued for its user-friendly interface and safety features, promoting ease of use and minimizing risk during procedures. As a used unit, it represents an economical option for facilities looking to expand their equipment without sacrificing quality. The VNUS RFG2's compatibility with existing accessories also enhances its versatility across different medical settings. Overall, the Covidien Valleylab VNUS RFG2 balances performance and affordability, making it a practical choice for healthcare providers seeking reliable technology in electrosurgery.