| Cannula, Intrauterine Insemination | Federal registry | 1 |
| Cannula, Manipulator/Injector, Uterine | Federal registry | 1 |
| Cannula, Nasal, Oxygen | Federal registry | 1 |
| Cannula, Ophthalmic | Federal registry | 1 |
| Cannula, Ophthalmic, Posterior Capsular Polishing, Polyvinyl Acetal | Federal registry | 1 |
| Cannula, Sinus | Federal registry | 1 |
| Cannula, Trocar, Ophthalmic | Federal registry | 1 |
| Caps | Company website | 1 |
| Cardiac Ablation Percutaneous Catheter | Federal registry | 1 |
| Cardiovascular Procedure Kit | Federal registry | 1 |
| Case, Contact Lens | Federal registry | 1 |
| Catheter And Tip, Suction | Federal registry | 1 |
| Catheter And Tube, Suprapubic | Federal registry | 1 |
| Catheter, Angioplasty, Peripheral, Transluminal | Federal registry | 1 |
| Catheter, Cannula And Tubing, Vascular, Cardiopulmonary Bypass | Federal registry | 1 |
| Catheter, Cholangiography | Federal registry | 1 |
| Catheter, Conduction, Anesthetic | Federal registry | 1 |
| Catheter, Continuous Flush | Federal registry | 1 |
| Catheter, Electrode Recording, Or Probe, Electrode Recording | Federal registry | 1 |
| Catheter, Embolectomy | Federal registry | 1 |
| Catheter, Flow Directed | Federal registry | 1 |
| Catheter For Crossing Total Occlusions | Federal registry | 1 |
| Catheter, Hemodialysis, Implanted | Federal registry | 1 |
| Catheter, Hemodialysis, Implanted, Coated | Federal registry | 1 |
| Catheter, Hemodialysis, Non-Implanted | Federal registry | 1 |
| Catheter, Hemodialysis, Triple Lumen, Non-Implanted | Federal registry | 1 |
| Catheter, Infusion | Federal registry | 1 |
| Catheter, Intravascular, Diagnostic | Federal registry | 1 |
| Catheter, Intravascular Occluding, Temporary | Federal registry | 1 |
| Catheter, Intravascular, Therapeutic, Long-Term Greater Than 30 Days | Federal registry | 1 |
| Catheter, Intravascular, Therapeutic, Short-Term Less Than 30 Days | Federal registry | 1 |
| Catheter, Multiple Lumen | Federal registry | 1 |
| Catheter, Nephrostomy, General & Plastic Surgery | Federal registry | 1 |
| Catheter, Percutaneous | Federal registry | 1 |
| Catheter, Percutaneous, Cardiac Ablation, For Treatment Of Atrial Fibrillation | Federal registry | 1 |
| Catheter, Percutaneous, Cardiac Ablation, For Treatment Of Atrial Flutter | Federal registry | 1 |
| Catheter, Peritoneal Dialysis, Single Use | Federal registry | 1 |
| Catheter, Peritoneal, Long-Term Indwelling | Federal registry | 1 |
| Catheter, Recording, Electrode, Reprocessed | Federal registry | 1 |
| Catheter, Septostomy | Federal registry | 1 |
| Catheters, Suction, Tracheobronchial | Federal registry | 1 |
| Catheter, Steerable | Federal registry | 1 |
| Catheters, Transluminal Coronary Angioplasty, Percutaneous | Federal registry | 1 |
| Catheter, Subclavian | Federal registry | 1 |
| Catheter, Umbilical Artery | Federal registry | 1 |
| chambers | Company website | 1 |
| Chart, Visual Acuity | Federal registry | 1 |
| Chisel, Middle-Ear | Federal registry | 1 |
| Chisel, Nasal | Federal registry | 1 |
| Chisel, Surgical, Manual | Federal registry | 1 |
