SELF material conformance.png

Definition of clinical conformance[edit | edit source]

This is the desired state of the clinical practice

  • Procedure (real-life starting and ending states)
  • Environmental conditions
  • Available tools and equipment

Purpose and motivation[edit | edit source]

The main purpose of the materials database is to guarantee the appropriate fidelity of the simulators. Based on the concept of fitness of use,[1] the quality of a simulator material must comply with the following:

  • Quality of design: Determine the intended caractheristics to be simulated according to the tissue type.
  • Quality of conformance: Fidelity of the material for the intended simulator.
  • Availability: Facilitate the sourcing or preparation of materials to be used for simulators, including alternatives for hard-to-obtain materials.
  • Field service: Outline the correct use, care, and replacement of materials.

Educational evidence conformance[edit | edit source]

Expected results from a skill training perspective:

  • What should learners be able to identify?
  • What actions should learners execute successfully?
  • What actions should learners avoid?

Activity conformance[edit | edit source]

Self material conformance empathy.png
  • Simulator and environmental conditions set up
    • Expected simulator condition
    • Tools
    • Equipment
    • Available materials
  • Instructional method
Simulated procedure:
Action Body tissue Procedural outcome Required fidelity type or means of verification

(visual/tactile/acoustic)

Real-life positive feedback Real-life negative feedback
Action 1
Action 2
Action 3
...

This leads to:

  • Variable definition: physical (what you can see and touch) and functional (effects and changes)
  • Prioritization of variables: In what which should variables be present in the system

Material selection[edit | edit source]

Material selection screen.png

By tissue or structure[edit | edit source]

  • Sub-tissues
  • Documented material alternatives
  • Examples in simulators

By material alternatives[edit | edit source]

  • List of single or composite uses
  • Used to simulate the following tissues or structures (list of tissues)
  • Fidelity considerations
    • Positive characteristics: how it resembles the tissue.
    • Drawbacks and limitations: how does it fail to resemble the tissue for certain actions and ways to solve them.
  • Feedback sources by action type
    • Integrated: provided immediately by the material (e.g. it breaks)
    • External: provided by an external system (e.g. instructor feedback, a separate electrical circuit, a different material).
  • Availability: possible limitations in the procuring of the material.
  • Manufacturing: required procedures to conform or condition the material.
  • Specifications:
    • Properties (mechanical, chemical)
    • Standards
    • etc.
  • Examples in documented simulators

Considerations[edit | edit source]

  • A material may have multiple names.
  • Materials can be found in multiple configurations or variants (for example, cardboard can either be corrugated or recycled).
  • Alternatives to materials should be provided if possible.
  • All materials should point to examples of how they are used.
  • Levels:
    • Material category
    • Level 1 (metals, non-metals, ceramics, composites
    • Level 2 (ferrous, non-ferrous; thermoplastics, thermosets, elastomers; glasses, crystaline ceramics; metal matrix, ceramic matrix, polymer matrix)

Parameters[edit | edit source]

  • General
    • Simulated body tissue (e.g. skin, bone)
    • Simulated body tissue type (e.g. epithelial, connective, muscle, nervous)
  • Sourcing
    • List of ingredients or parts
    • Material providers
    • Material or part standards (ASTM, ISO)
    • Expected cost
    • Quality requirements for sourced materials
  • Preparation
    • Fabrication requirements (e.g. 3D-printing, sewing, cutting)
    • Conditioning requirements (e.g. hydrating, drying, curing, compression)
    • Visual preparation (e.g. dying, texturizing)
    • Require materials, tools or equipment for fabrication and conditioning (e.g. 3D-printer, saw, hand drill)
    • Material manipulation hazards (e.g. material toxicity, abrasiveness)
    • Quality assurance before use (e.g. visual, chemical, mechanical)
  • Use
    • Desired mechanical properties
    • Desirable material feedback (e.g. visual, tactile)
    • Displayed pathological features
    • Manipulation hazards

Materials from SELF simulators[edit | edit source]

References[edit | edit source]

  1. ↑ https://bio.libretexts.org/Bookshelves/Biotechnology/Quality_Assurance_and_Regulatory_Affairs_for_the_Biosciences/02%3A_Introduction_to_Quality_Principles/2.03%3A_Section_3-
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License CC-BY-SA-4.0
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Aliases Surgical Education Learners Forum/Materials database/User journey, SELF materials database/User journey
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Created January 29, 2024 by Emilio Velis
Modified April 10, 2024 by Felipe Schenone
Cite as "SELF/Materials database/User journey". Appropedia. 2024. Retrieved April 27, 2024.
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