| Non-Surgical Gown | Federal registry | 1 |
| Ophthalmoscope, Ac-Powered | Federal registry | 1 |
| Orchidometer | Federal registry | 1 |
| O-RINGS | Company website | 1 |
| Orthodontic Software | Federal registry | 1 |
| Orthosis, Cervical | Federal registry | 1 |
| Orthosis, Limb Brace | Federal registry | 1 |
| Orthosis, Lumbo-Sacral | Federal registry | 1 |
| Orthosis, Moldable, Supportive, Skin Protective | Federal registry | 1 |
| Orthosis, Rib Fracture, Soft | Federal registry | 1 |
| Pack, Hot Or Cold, Reusable | Federal registry | 1 |
| Pad, Alcohol, Device Disinfectant | Federal registry | 1 |
| Paper, Articulation | Federal registry | 1 |
| Percussor | Federal registry | 1 |
| Perforator, Ear-Lobe | Federal registry | 1 |
| Peripheral Mechanical Thrombectomy With Aspiration | Federal registry | 1 |
| Photocoagulator And Accessories | Federal registry | 1 |
| Pick, Microsurgical Ear | Federal registry | 1 |
| Pin, Fixation, Threaded | Federal registry | 1 |
| Pin, Retentive And Splinting, And Accessory Instruments | Federal registry | 1 |
| Pinwheel | Federal registry | 1 |
| Plasma Processing System For Converting Alpha To Pre-Beta High-Density Lipoprotein | Federal registry | 1 |
| Plate, Fixation, Bone | Federal registry | 1 |
| Plethysmograph, Impedance | Federal registry | 1 |
| Pliers, Surgical | Federal registry | 1 |
| Pneumoperitoneum Needle | Federal registry | 1 |
| Polymer Patient Examination Glove | Federal registry | 1 |
| Port & Catheter, Implanted, Subcutaneous, Intravascular | Federal registry | 1 |
| Positioner, Tooth, Preformed | Federal registry | 1 |
| Powered Laser Surgical Instrument With MicrobeamFractional Output | Federal registry | 1 |
| Powered Light Based Non-Laser Surgical Instrument With Thermal Effect | Federal registry | 1 |
| Press, Vein | Federal registry | 1 |
| Probe | Federal registry | 1 |
| Probe, Ent | Federal registry | 1 |
| Probe, Lachrymal | Federal registry | 1 |
| Probe, Radiofrequency Lesion | Federal registry | 1 |
| Products, Contact Lens Care, Rigid Gas Permeable | Federal registry | 1 |
| Prosthesis, Knee, Femorotibial, Non-Constrained, Cemented, Metal/Polymer | Federal registry | 1 |
| Prosthesis, Knee Patellofemorotibial, Partial, Semi-Constrained, Cemented, Polymer/Metal/Polymer | Federal registry | 1 |
| Prosthesis, Penile | Federal registry | 1 |
| Prosthesis, Penis, Inflatable | Federal registry | 1 |
| Prosthesis, Testicular | Federal registry | 1 |
| Prosthesis, Urethral Sphincter | Federal registry | 1 |
| Protector, Dental | Federal registry | 1 |
| Protector, Ostomy | Federal registry | 1 |
| Protector, Silicate | Federal registry | 1 |
| Pulmonary Valve Prosthesis Percutaneously Delivered | Federal registry | 1 |
| Pump, Infusion | Federal registry | 1 |
| Pump, Infusion, Ophthalmic | Federal registry | 1 |
| Pump, Nebulizer, Electrically Powered | Federal registry | 1 |
