| Manual Instruments Designed For Use With Total Disc Replacement Devices | Federal registry | 1 |
| Marker, Ocular | Federal registry | 1 |
| Mask, Gas, Anesthetic | Federal registry | 1 |
| Mask, Oxygen | Federal registry | 1 |
| Mask, Oxygen, Low Concentration, Venturi | Federal registry | 1 |
| Material, Impression | Federal registry | 1 |
| Material, Impression Tray, Resin | Federal registry | 1 |
| Material, Tooth Shade, Resin | Federal registry | 1 |
| Mediastinoscope, Surgical | Federal registry | 1 |
| Medical Device Data System | Federal registry | 1 |
| Mesh, Surgical | Federal registry | 1 |
| Mesh, Surgical, Collagen, Orthopaedics, Reinforcement Of Tendon | Federal registry | 1 |
| Mesh, Surgical, Collagen, Plastic And Reconstructive Surgery | Federal registry | 1 |
| Mesh, Surgical, Collagen, Staple Line Reinforcement | Federal registry | 1 |
| Mesh, Surgical, Collagen, Thoracic, Chest Wall Reconstruction | Federal registry | 1 |
| Mesh, Surgical, For Stress Urinary Incontinence, Male | Federal registry | 1 |
| Mesh, Surgical, Metal | Federal registry | 1 |
| Mesh, Surgical, Non-Synthetic, Urogynecologic, For Apical Vaginal And Uterine Prolapse, Transabdominally Placed | Federal registry | 1 |
| Mesh, Surgical, Non-Synthetic, Urogynecologic, For Stress Urinary Incontinence, Retropubic Or Transobturator | Federal registry | 1 |
| Mesh, Surgical, Polymeric | Federal registry | 1 |
| Mesh, Surgical, Synthetic, Urogynecologic, For Pelvic Organ Prolapse, Transvaginally Placed | Federal registry | 1 |
| Mesh, Surgical, Synthetic, Urogynecologic, For Stress Urinary Incontinence, Female, Mini-Sling | Federal registry | 1 |
| Mesh, Surgical, Synthetic, Urogynecologic, For Stress Urinary Incontinence, Retropubic Or Transobturator | Federal registry | 1 |
| Metallic Gaskets | Company website | 1 |
| Meter, Airway Pressure (Inspiratory Force) | Federal registry | 1 |
| Micro Pipette | Federal registry | 1 |
| Microscope, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Microtools, Assisted Reproduction (Pipettes) | Federal registry | 1 |
| Microtools, Assisted Reproduction (Pipettes), Exempt | Federal registry | 1 |
| Mirror, Mouth | Federal registry | 1 |
| Mixer, Breathing Gases, Anesthesia Inhalation | Federal registry | 1 |
| Mixer, Cement, For Clinical Use | Federal registry | 1 |
| Mobilizer, Ent | Federal registry | 1 |
| Monitor, Airway Pressure (Includes Gauge And/Or Alarm) | Federal registry | 1 |
| Motor, Drill, Electric | Federal registry | 1 |
| Motor, Drill, Pneumatic | Federal registry | 1 |
| Motor, Surgical Instrument, Ac-Powered | Federal registry | 1 |
| Motor, Surgical Instrument, Pneumatic Powered | Federal registry | 1 |
| Mouthguard, Prescription | Federal registry | 1 |
| Mouthpiece, Breathing | Federal registry | 1 |
| Nebulizer (Direct Patient Interface) | Federal registry | 1 |
| Needle, Aspiration And Injection, Disposable | Federal registry | 1 |
| Needle, Gastro-Urology | Federal registry | 1 |
| Needle, Neurosurgical Suture | Federal registry | 1 |
| Needle, Suturing, Disposable | Federal registry | 1 |
| Non-Surgical Gown | Federal registry | 1 |
| Nystagmograph | Federal registry | 1 |
| oil seals | Company website | 1 |
| O-RINGS | Company website | 1 |
| Orthodontic Software | Federal registry | 1 |
