Related Experiment Videos
[Initial experiences with a novel nerve stimulator for use in axillary plexus anesthesia]
B Bachmann-M1, J Biscoping, G Hempelmann
1Abteilung für Anaesthesiologie und Operative Intensivmedizin, Klinikum der Justus-Liebig-Universität Giessen.
Regional-Anaesthesie
|July 1, 1989
Summary
This study introduces a new electrical nerve stimulator for axillary block, enabling precise current measurement for improved nerve localization and safer anesthesia. It helps detect circuit errors, ensuring accurate nerve identification during orthopedic surgery.
Area of Science:
- Anesthesiology
- Neurosurgery
- Medical Devices
Context:
- Electrical nerve stimulators are crucial for identifying the axillary neurovascular sheath during anesthesia.
- Existing techniques often use fixed voltage and variable amplification, limiting precise current control.
- Accurate nerve localization is essential to prevent irreversible nerve damage from paresthesia induction.
Purpose:
- To present a novel nerve stimulator capable of measuring current at the stimulation site.
- To evaluate the efficacy and safety of this new device in axillary blocks for orthopedic surgery.
- To demonstrate the device's ability to detect and troubleshoot circuit system disturbances.
Summary:
- A new electrical nerve stimulator was used for axillary blocks in 23 orthopedic surgery patients.
- The device allowed for precise current measurement, with successful nerve localization achieved at currents below 0.5 mA.
- Two instances of circuit disturbances were identified and resolved, confirming the device's diagnostic capability.
Impact:
- The new stimulator enhances nerve localization accuracy during local anesthesia, minimizing the risk of nerve injury.
- It provides real-time feedback on stimulation current, improving the reliability of nerve blocks.
- This technology facilitates safer and more effective regional anesthesia techniques.