Category: Safety and Setup
Setup steps, contraindications, operating limits, and questions that require careful use guidance.
Browse practical ST-504 education, setup guidance, safety information, comparisons, and product facts. Each article should be read within its stated scope and source limits.
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What does clean and dry device care require?
ST-504 care guide What does clean and dry device care require? Protect the controller, sleeve, tubing, and charging path without treating IP22 as waterproofing. Power off first Follow…
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When should you call product support?
ST-504 support guide When should you call product support? Support can explain equipment behavior, but it cannot examine a person or clear a medical concern. Bring observable facts…
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How should pain change the next step?
ST-504 safety guide How should pain change the next step? Pain is a stop signal, not a reason to increase pressure or keep testing the device. Pause the…
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What should a user do when numbness appears?
ST-504 safety guide What should a user do when numbness appears? New or increasing numbness is a stop signal, not a reason to test a stronger setting. Stop…
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What makes one-sided swelling different?
ST-504 swelling safety What makes one-sided swelling different? New or one-sided swelling needs context before a reader considers a device session. Do not self-diagnose A product setting cannot…
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Why is an open wound a stop-and-ask situation?
ST-504 safety guide Why is an open wound a stop-and-ask situation? Skin integrity changes how a sleeve, pressure, heat, and cleaning question should be handled. Pause the routine…
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Why can an implant change the device question?
ST-504 safety guide Why can an implant change the device question? An implant or electrical device requires compatibility to be checked rather than inferred from a setting. Identify…
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What should a reader verify before using compression during pregnancy?
ST-504 safety guide What should a reader verify before using compression during pregnancy? Pregnancy is a context change that should be handled with the manual and professional guidance.…
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What changes after an injury?
ST-504 safety guide What changes after an injury? An injury question needs more than a device setting and may require care-team guidance. Separate the questions Equipment behavior is…
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Why does skin sensation change the safety question?
ST-504 safety guide Why does skin sensation change the safety question? Reduced or changing sensation can make a device session harder to monitor safely. Notice the context Sensation…
Looking for a starting point? Begin with the ST-504 complete guide, then review safety and contraindications before choosing a setup article.