DIFF Subgroup
A61L 29/14 Materials characterised by their function or physical properties
Introduced: January 2000
Full Title
Full titles differ between systems:
IPC:
Materials for catheters or for coating catheters > Materials characterised by their function or physical properties
CPC:
Materials for catheters, or for coating catheters (shape or structure of catheters A61M25/00) > Materials characterised by their function or physical properties
CPC subdivides this area 4x more granularly than IPC with 5 additional codes.
5 codes are CPC-only extensions.
IPC defines codes here since 2000.
Child Classifications
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- A61L 29/16 Biologically active materials, e.g. therapeutic substances since 2000 IPC+CPC Available in IPC and CPC
- A61L 29/18 Materials at least partially X-ray or laser opaque since 2000 IPC+CPC Available in IPC and CPC