| 604 / | HD | SURGERY |
| 915 | | BALLOON CATHETERS [A61M 25/10] {6} |
| 916 | DD | .~> Characterized by balloon shape [A61M 25/10A] |
| 917 | DD | .~> Balloons formed between concentric tubes [A61M 25/10B] |
| 918 | DD | .~> Balloons anchored to a disc or plate [A61M 25/10C] |
| 919 | DD | .~> Multiple balloon catheters [A61M 25/10D] |
| 920 | DD | .~> Balloon inflating or inflation control devices [A61M 25/10E] |
| 921 | DD | .~> Connections between catheter tubes and inflation tubes [A61M 25/10F] |