| Catheter And Tip, Suction | Federal registry | 1 |
| Catheter, Assisted Reproduction | Federal registry | 1 |
| Catheter, Balloon Type | Federal registry | 1 |
| Catheter, Coronary, Atherectomy | Federal registry | 1 |
| Catheter, Electrode Recording, Or Probe, Electrode Recording | Federal registry | 1 |
| Catheter, Flow Directed | Federal registry | 1 |
| Catheter, Intravascular Occluding, Temporary | Federal registry | 1 |
| Catheter, Irrigation | Federal registry | 1 |
| Catheter, Oximeter, Fiber-Optic | Federal registry | 1 |
| Catheter, Peripheral, Atherectomy | Federal registry | 1 |
| Catheter, Retention, Barium Enema With Bag | Federal registry | 1 |
| Catheter, Retention Type, Balloon | Federal registry | 1 |
| Catheter, Septostomy | Federal registry | 1 |
| Catheters, Transluminal Coronary Angioplasty, Percutaneous | Federal registry | 1 |
| Catheter, Ultrasound, Intravascular | Federal registry | 1 |
| Catheter, Ureteral, Gastro-Urology | Federal registry | 1 |
| Catheter, Urethral | Federal registry | 1 |
| Catheter, Urological | Federal registry | 1 |
| Cement, Dental | Federal registry | 1 |
| Centrifuge, Blood-Bank For In Vitro Diagnostic Use | Federal registry | 1 |
| Chair And Table, Medical | Federal registry | 1 |
| Chair, Surgical, Ac-Powered | Federal registry | 1 |
| Chemiluminescent Immunoassay System | Federal registry | 1 |
| Chiaro | Company website | 1 |
| Chisel, Osteotome, Surgical | Federal registry | 1 |
| Chisel, Surgical, Manual | Federal registry | 1 |
| Clamp | Federal registry | 1 |
| Clamp, Carotid Artery | Federal registry | 1 |
| Clamp, Line | Federal registry | 1 |
| Closed Antineoplastic And Hazardous Drug Reconstitution And Transfer System | Federal registry | 1 |
| Closeout | Company website | 1 |
| Closure, Wound, Adhesive | Federal registry | 1 |
| CNC MILLING | Company website | 1 |
| CNC TURNING | Company website | 1 |
| Coagulator-Cutter, Endoscopic, Bipolar (And Accessories) | Federal registry | 1 |
| Coagulator-Cutter, Endoscopic, Unipolar (And Accessories) | Federal registry | 1 |
| Coagulator, Laparoscopic, Unipolar (And Accessories) | Federal registry | 1 |
| Coil, Magnetic Resonance, Specialty | Federal registry | 1 |
| Collector, Urine, Powered, Non Indwelling Catheter | Federal registry | 1 |
| Colorimetric Method, Cpk Or Isoenzymes | Federal registry | 1 |
| Colorimetric Method, Gamma-Glutamyl Transpeptidase | Federal registry | 1 |
| Columns | Company website | 1 |
| Columns, Liquid Chromatography | Federal registry | 1 |
| Combination Compression/Decompression Manual Chest Pump With Impedance Respiratory Valve | Federal registry | 1 |
| Comparison Of Freezing Points & Stds. Of Known Osmotic Pressure, Osmolality | Federal registry | 1 |
| Components, Exercise | Federal registry | 1 |
| Condom | Federal registry | 1 |
| Condom, Synthetic | Federal registry | 1 |
| Congo Red | Federal registry | 1 |
| Connector, Airway (Extension) | Federal registry | 1 |
