Extractables leachables analyzer

Skill a5c-ai/babysitter/library/specializations/domains/science/biomedical-engineering/skills/extractables-leachables-analyzer

E&L study design and data analysis skill for chemical characterization of medical devicesFrom its SKILL.md

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SKILL.md

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Extractables and Leachables Analyzer Skill

Purpose

The Extractables and Leachables Analyzer Skill supports E&L study design and data analysis for chemical characterization of medical devices per ISO 10993-18, including extraction study design and toxicological risk assessment.

Capabilities

Extraction solvent and condition selection
Analytical method recommendations (GC-MS, LC-MS, ICP)
AET (Analytical Evaluation Threshold) calculation
Compound identification assistance
Toxicological risk assessment templates
ICH Q3D elemental impurity guidance
Study protocol generation
Data interpretation support
Safety assessment reporting
Simulated use extraction design
Accelerated extraction studies

Usage Guidelines

When to Use

Designing E&L characterization studies
Analyzing E&L data
Conducting toxicological risk assessments
Preparing chemical characterization reports

Prerequisites

Device materials documented
Contact conditions defined
Analytical capabilities identified
Toxicological resources available

Best Practices

Use risk-based approach per ISO 10993-18
Consider worst-case extraction conditions
Calculate AET based on patient exposure
Document compound identification rationale

Process Integration

This skill integrates with the following processes:

Extractables and Leachables Analysis
Biological Evaluation Planning (ISO 10993)
Biomaterial Selection and Characterization
510(k) Premarket Submission Preparation

Dependencies

Mass spectral databases
Toxicology databases (ToxNet)
ISO 10993-18 standard
ICH Q3D guidelines
Analytical laboratory capabilities

Configuration

extractables-leachables-analyzer:
  extraction-types:
    - exhaustive-extraction
    - simulated-use
    - accelerated
  analytical-methods:
    - GC-MS
    - LC-MS
    - ICP-OES
    - ICP-MS
    - headspace-GC
  solvents:
    - polar
    - semi-polar
    - non-polar

Output Artifacts

E&L study protocols
Extraction condition specifications
Analytical method recommendations
AET calculations
Compound identification tables
Toxicological risk assessments
Chemical characterization reports
Safety assessment summaries

Quality Criteria

Extraction conditions appropriate for device use
Analytical methods detect relevant compounds
AET properly calculated and applied
Compound identification well-supported
Toxicological assessment comprehensive
Documentation supports regulatory review

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