> ## Documentation Index
> Fetch the complete documentation index at: https://docs.valyu.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Medtech & Diagnostics

> Regulatory evidence workflows for device teams, traced to dated documents.

Device teams need clinical and regulatory evidence they can trace to a dated document. This workflow compares guidance versions passage by passage, so a submission team can see exactly which recommendations changed and where.

<div className="vx-wf-grid not-prose">
  <a className="vx-wf" href="/use-cases/sciences/regulatory-research"><span className="vx-label">Regulatory</span><strong>Regulatory changes</strong><span className="vx-wf-desc">Track changes between dated regulator guidance versions and keep the affected passages.</span><span className="vx-wf-ex">FDA device-software guidance, 2005 and 2023</span></a>
</div>

## Run a workflow

Each workflow page has a runnable request and notes on checking the output. Use [Search](/search/quickstart) when your application owns retrieval and analysis, or [DeepResearch](/guides/deepresearch-quickstart) for a cited report and files. Check [data sources](/data-sources) for the evidence your task needs.

See how medtech and diagnostics teams use Valyu on [valyu.ai](https://www.valyu.ai/medtech).


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