| Clamp, Muscle, Ophthalmic | Federal registry | 1 |
| Clamp, Non-Electrical | Federal registry | 1 |
| Clamp, Penile | Federal registry | 1 |
| Clamp, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Clamp, Umbilical | Federal registry | 1 |
| Clamp, Uterine | Federal registry | 1 |
| Clamp, Vascular | Federal registry | 1 |
| Cleaners, Medical Devices | Federal registry | 1 |
| Clip, Aneurysm | Federal registry | 1 |
| Clip, Implantable | Federal registry | 1 |
| Clip, Iris Retractor | Federal registry | 1 |
| Clip, Removable (Skin) | Federal registry | 1 |
| Clip, Scalp | Federal registry | 1 |
| Clip, Vascular | Federal registry | 1 |
| Collector, Urine, (And Accessories) For Indwelling Catheter | Federal registry | 1 |
| Condenser, Heat And Moisture (Artificial Nose) | Federal registry | 1 |
| Connector, Airway (Extension) | Federal registry | 1 |
| Connector, Catheter | Federal registry | 1 |
| Connector, Ureteral Catheter | Federal registry | 1 |
| Container, Specimen, Non-Sterile | Federal registry | 1 |
| Continuous Measurement Thermometer | Federal registry | 1 |
| Contractor, Surgical | Federal registry | 1 |
| Corkscrew | Federal registry | 1 |
| Countersink | Federal registry | 1 |
| Crimper, Pin | Federal registry | 1 |
| Crimper, Wire, Ent, Sterile | Federal registry | 1 |
| Crusher, Spur, Colostomy | Federal registry | 1 |
| Cuff, Tracheal Tube, Inflatable | Federal registry | 1 |
| Curette | Federal registry | 1 |
| Curette, Adenoid | Federal registry | 1 |
| Curette, Ear | Federal registry | 1 |
| Curette, Ethmoid | Federal registry | 1 |
| Curette, Nasal | Federal registry | 1 |
| Curette, Ophthalmic | Federal registry | 1 |
| Curette, Salpingeal | Federal registry | 1 |
| Curette, Suction, Endometrial (And Accessories) | Federal registry | 1 |
| Curette, Surgical, Dental | Federal registry | 1 |
| Curette, Surgical, General Use | Federal registry | 1 |
| Curette, Uterine | Federal registry | 1 |
| Cushion, Flotation | Federal registry | 1 |
| Cushion, Hemorrhoid | Federal registry | 1 |
| Cutter, Surgical | Federal registry | 1 |
| Cutter, Wire | Federal registry | 1 |
| Cystometric Gas (Carbon-Dioxide) On Hydraulic Device | Federal registry | 1 |
| Cystotome | Federal registry | 1 |
| Depressor, Metal Tongue, Surgical | Federal registry | 1 |
| Depressor, Orbital | Federal registry | 1 |
| Device, Cystometric, Hydraulic | Federal registry | 1 |
| Device, Fixation, Tracheal Tube | Federal registry | 1 |
| Device, Hemostasis, Vascular | Federal registry | 1 |
