A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61B DIAGNOSIS; SURGERY; IDENTIFICATION
A61B17/00 Surgical instruments, devices or methods, e.g. tourniquets
A61B17/12 for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
A61B17/12022 Occluding by internal devices, e.g. balloons or releasable wires
A61B17/12131 characterised by the type of occluding device
A61B17/1214 Coils or wires