Valleylab LigaSure Vessel Sealing System (Diathermy)

The Valleylab LigaSure Vessel Sealing System stands at the forefront of surgical technology, revolutionizing vessel sealing through advanced diathermy-based techniques. This system is engineered to enhance surgical precision, minimize blood loss, and promote superior patient outcomes.

Innovative Vessel Sealing:

Traditional methods of vessel sealing during surgery often involve clamping and tying, which can be time-consuming and result in significant blood loss. The Valleylab LigaSure System employs diathermy technology to seal blood vessels quickly and effectively. Diathermy utilizes high-frequency electrical currents to generate heat, which in turn seals the blood vessel walls and prevents bleeding.

Benefits of LigaSure:

The LigaSure Vessel Sealing System offers a multitude of benefits that contribute to improved surgical experiences:

1. Reduced Blood Loss: By sealing vessels as they are cut, the system significantly reduces blood loss during surgery. This is particularly valuable in procedures that involve extensive blood vessel manipulation.

2. Enhanced Precision: The system’s precision and controlled tissue effect allow surgeons to seal vessels of varying sizes with minimal thermal spread to surrounding tissues. This precision helps preserve vital structures and reduces the risk of complications.

3. Efficiency: LigaSure’s quick sealing capability accelerates surgical procedures, potentially leading to shorter operation times and reduced patient anesthesia exposure.

4. Versatility: The system is versatile, applicable to various surgical specialties, including general surgery, gynecology, urology, and more.

5. Consistency: LigaSure’s technology ensures consistent and reliable vessel sealing, reducing the variability associated with traditional methods.

6. Minimal Tissue Trauma: The precise sealing mechanism results in minimal tissue trauma compared to other techniques, promoting faster healing and reduced scarring.

Wide Application:

The Valleylab LigaSure Vessel Sealing System finds application in a range of surgical procedures, such as colectomies, hysterectomies, thyroidectomies, and more. Its adaptability and effectiveness make it a versatile tool in the hands of surgeons across different specialties.

Safety Measures:

The system integrates safety features, including audible and visual indicators, to ensure optimal usage. Surgeons can receive real-time feedback on the sealing process, enhancing their confidence in the procedure’s success.

Surgeon Experience:

LigaSure’s ease of use and consistent results contribute to a positive surgical experience for both surgeons and patients. The system’s intuitive design, ergonomic handpieces, and minimal smoke production add to its appeal in the operating room.

Valleylab Ligasure Features

The Valleylab LigaSure vessel sealing system gives you something no other electrosurgical tool can, permanent vessel occlusion. The Valleylab LigaSure system’s revolutionary technology replaces almost all other hemostatic tools because it doesn’t just ligate vessels, it actually fuses vessel walls to create a permanent seal.

• Provides a combination of pressure and energy to create vessel fusion
• Permanently fuses vessels up to and including 7 mm in diameter and tissue bundles without dissection or isolation
• Average seal cycle is 2 to 4 seconds
• Seals withstand 3 times normal systolic blood pressure
• Feedback-controlled response system automatically discontinues energy delivery when the seal cycle is complete, eliminating the guesswork

Valleylab Ligasure Specifications

Dimensions

• Height: 5” (12.7 cm)
• Width: 15.2” (38.6 cm)
• Depth: 16” (40.6 cm)
• Weight: 13 lbs (5.9 kg)

General

• Output Configuration: Isolated output
• Cooling: Natural convection
• Display: Two (2) digital seven-segment displays: 1.9 cm (0.75 in.) each
• Mounting: A Valleylab cart (UC8009) or a stable flat surface

Operating Parameters

• Ambient Temperature Range: 10° to 40° C (50° to 104° F)
• Relative Humidity: 15% to 90%, noncondensing
• Atmospheric pressure: 700 to 1060 millibars
• Warm-up Time: If transported or stored at temperatures outside the operating temperature range, allow one hour for the generator to reach room temperature before using

Audio Volume

The stated audio level is for the activation tone and alarm tone at a distance of one meter. Alarm tones meet the requirements of IEC 60601-2-2

Activation Tone

• Volume (adjustable): 45 dB minimum
• Frequency (nominal): Seal Mode – 440 Hz; Macrobipolar Mode – 520 Hz; Bipolar Mode – 660 Hz
• Duration Continuous while the generator is activated; changes to one short tone when seal cycle is complete

Alarm Tone

• Volume (not adjustable): 65 dB minimum
• Frequency: 985 Hz to 780 Hz; 985 Hz nominal

Output Waveform

• Macrobipolar/Bipolar: 473 kHz sinusoid, 100% duty cycle
• Seal: 473 kHz sinusoid, pulsed

Frequency Leakage

Low Frequency (50-60 Hz)

Source current, patient leads, all outputs

• Normal polarity, intact ground: < 10 μA
• Normal polarity, ground open: < 50 μA
• Reverse polarity, ground open: < 50 μA
• Sink current at high line, all inputs: < 20 μA

High Frequency (RF)

• Bipolar: < 69 mArms
  

  Conclusion:

  The Valleylab LigaSure Vessel Sealing System has redefined vessel sealing in the surgical landscape. By harnessing diathermy-based technology, it offers precise and efficient sealing of blood vessels, resulting in reduced blood loss, enhanced surgical outcomes, and improved patient recovery. With its benefits spanning across various surgical specialties, LigaSure stands as a cornerstone of modern surgical practices, empowering healthcare professionals to perform procedures with greater precision and confidence.