| Normothermic Preservation System For Transplantation Of Initially Unacceptable Donor Lungs | Federal registry | 1 |
| Obturator, For Endoscope | Federal registry | 1 |
| Occluder, Catheter Tip | Federal registry | 1 |
| Optical Coherence Tomography, Intravascular Catheter | Federal registry | 1 |
| Optoacoustic Imaging System | Federal registry | 1 |
| Organ Care System (Ocs) Heart System | Federal registry | 1 |
| Orthosis, Cervical-Thoracic, Rigid | Federal registry | 1 |
| Orthosis, Cranial | Federal registry | 1 |
| Orthosis, Foot Drop | Federal registry | 1 |
| Orthosis, Sacroiliac, Soft | Federal registry | 1 |
| Orthosis, Spinal Pedicle Fixation | Federal registry | 1 |
| Orthosis, Spondylolisthesis Spinal Fixation | Federal registry | 1 |
| Otoscope | Federal registry | 1 |
| Over-The-Counter Powered Light Based Laser For Acne | Federal registry | 1 |
| Oximeter | Federal registry | 1 |
| Oxygenator, Cardiopulmonary Bypass | Federal registry | 1 |
| Pack, Hot Or Cold, Reusable | Federal registry | 1 |
| Pad, Heating, Powered | Federal registry | 1 |
| Pancreatic Stent, Covered, Metallic, Removable | Federal registry | 1 |
| Passer, Wire, Orthopedic | Federal registry | 1 |
| Penile Implant Surgical Accessories | Federal registry | 1 |
| Percutaneous Cardiac Ablation Catheter For Treatment Of Atrial Fibrillation With Irreversible Electroporation | Federal registry | 1 |
| Pill Crusher/Cutter | Federal registry | 1 |
| Pin, Fixation, Smooth | Federal registry | 1 |
| Pin, Retentive And Splinting, And Accessory Instruments | Federal registry | 1 |
| Plasma, Coagulation Control | Federal registry | 1 |
| Platelet And Plasma Separator For Bone Graft Handling | Federal registry | 1 |
| Plethysmograph, Impedance | Federal registry | 1 |
| Plier, Orthodontic | Federal registry | 1 |
| Pliers, Surgical | Federal registry | 1 |
| Pneumoperitoneum Needle | Federal registry | 1 |
| Pocket | Company website | 1 |
| Port & Catheter, Implanted, Subcutaneous, Intravascular | Federal registry | 1 |
| Posterior Cervical Screw System | Federal registry | 1 |
| Powder, Porcelain | Federal registry | 1 |
| Powered Exoskeleton | Federal registry | 1 |
| Powered Light Based Non-Laser Surgical Instrument With Thermal Effect | Federal registry | 1 |
| Powered Stairway Chair Lift | Federal registry | 1 |
| Power Supplies | Company website | 1 |
| Proctoscope | Federal registry | 1 |
| Prosthesis, Elbow, Hemi-, Radial, Polymer | Federal registry | 1 |
| Prosthesis, Elbow, Semi-Constrained, Cemented | Federal registry | 1 |
| Prosthesis, Esophageal | Federal registry | 1 |
| Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/Polymer | Federal registry | 1 |
| Prosthesis, Hip, Femoral, Resurfacing | Federal registry | 1 |
| Prosthesis, Hip, Hemi-, Femoral, Metal | Federal registry | 1 |
| Prosthesis, Hip, Hemi-, Femoral, Metal Ball | Federal registry | 1 |
| Prosthesis, Hip, Hemi-, Femoral, Metal/Polymer, Cemented Or Uncemented | Federal registry | 1 |
| Prosthesis, Hip, Semi-Constrained (Metal Cemented Acetabular Component) | Federal registry | 1 |
| Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented | Federal registry | 1 |
