CPC Subgroup
A61M 25/04 in the body, e.g. expansible
Full Title
Catheters; Hollow probes (dilators A61M29/00; ; for measuring or testing A61B; ) > Introducing, guiding, advancing, emplacing or holding catheters (A61M25/10 takes precedence) > Holding devices, e.g. on the body > in the body, e.g. expansible