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B. Braun Stimuplex HNS 12 User Manual

B. Braun Stimuplex HNS 12
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Stimuplex
®
HNS 12
Nerve Stimulator
for Peripheral Regional Anesthesia
User Manual
GB
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B. Braun Stimuplex HNS 12 Specifications

General IconGeneral
TypePeripheral Nerve Stimulator
Pulse Width0.1 ms to 1.0 ms
Frequency1 Hz or 2 Hz
Power SourceBattery
DisplayLCD
Current Resolution0.1 mA
ChannelsSingle
WaveformRectangular
Battery Type9V battery

Summary

Principles of Peripheral Electrical Nerve Stimulation

Area of Application

Peripheral nerve stimulation for nerve and plexus blocks, reducing reliance on patient feedback and minimizing nerve lesion risk.

Intended Use

Device intended for nerve localization in peripheral regional anesthesia; not for use during surgery.

Indications

Use for surgical interventions, patient risk management, postoperative analgesia, replantation surgery, and diagnostic/therapeutic blockades.

Contraindications

Lists contraindications such as patient refusal, infection, neurological dysfunction, coagulation disorders, and liver function.

Warnings

Covers general precautionary measures and warnings for safe operation of the nerve stimulator.

Constant voltage or constant current

Explains constant current advantages for nerve stimulation and device operation characteristics.

Description of the Device

Checks before Start-up

Steps to verify device readiness: visual inspection of cables, battery check, and self-test on startup.

Technical Description

Details the device's functionality, pulse generation, current adjustment, and impedance measurement capabilities.

Operation of the Stimuplex® HNS 12

Stand-by

Instructions for switching the device on and off, including self-test procedures.

Selecting the current adjustment range

Guide to choosing and changing the current range for future use or during application.

Selecting the stimulation current

Details how to set the desired stimulation current amplitude using the dial.

Selecting the stimulus duration

Explains how to select stimulus duration values from different numerical series.

Selecting the stimulation frequency

Guide to choosing stimulation frequency options: 2 Hz, 1 Hz, or SENSe mode.

Current threshold display

How to activate visual/acoustic warnings for falling target stimulation current below a preset threshold.

Checking the battery voltage

Instructions for monitoring battery level via symbol and menu for remaining capacity.

Additional information – Menu info

Provides details on menu structure, version numbers, and equipment data.

Setting parameters and options for future switch-on procedures

Setting switch-on values for stimulation parameters

Configuration of user-desired parameters for automatic availability upon device startup.

Setup

Guides through device setup options including tone, dial turns, contrast, date, time, language, and general options.

Initial setup, maintenance and notes

Testing the Stimuplex® HNS 12

Procedure for conducting a device check after startup to ensure proper operation.

Special technical features

Highlights unique design features like polarity prevention, negative current-stabilized pulses, and microcomputer integration.

Technical data

Provides detailed specifications including type, battery, power, currents, voltages, frequencies, and environmental conditions.

Battery

Instructions for checking battery status, replacement, and precautions against leakage.

Cleaning and disinfecting the Stimuplex® HNS 12

Guidelines for proper cleaning and disinfection procedures using approved agents.

Maintenance and safety checks

Procedure for checking instrument condition, repair policies, and recommended safety checks.

Equipment logbook (Specific requirement for use on German market)

Details requirements for maintaining an equipment logbook for devices used in Germany.

Notices

General notes on cable positioning, accessory inspection, and authorized accessories.

Error messages

Explains device error conditions, automatic shutdown, and causes like low battery.

Instruments and accessories

Lists required accessories, their safety class, and pre-use checks.

References

Appendix

Symbols on Stimuplex® HNS 12

Electromagnetic compatibility (EMC)

Specific requirements for the US market

Addition to Section “5.6. Maintenance and safety checks" of the Manual

US-specific additions for service and technical support during the warranty period.

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