| Analyzer, nitric oxide / Apparatus, nitric oxide, backup delivery | 22 | — |
| Cylinder, compressed gas, and valve | 10 | — |
| Generator, oxygen, portable | 43 | — |
| Generator, oxygen, portable | 22 | — |
| Oxygen administration kit | 23 | — |
| Oxygen administration kit | 14 | — |
| Unit, liquid-oxygen, portable | 23 | — |
| Unit, liquid-oxygen, portable | 14 | — |