| PRODUCT NAME | FDA Code/Regulation |
| 4-dinitrophenylhydrazine 2 Ascorbic Acid (24 suppliers) Identification. An ascorbic acid test system is a device intended to measure the level of ascorbic acid (vitamin C) in plasma, serum, and urine. Ascorbic acid measurements are used in the diagnosis and treatment of ascorbic acid dietary deficiencies. Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to 862.9. | JMA / 862.1095 |
| 4-Drawer Treatment Cart (2 suppliers) | |
| 4-Piece Colon with Pathologies Model (1 supplier) | |
| 4-Point Headgears (1 supplier) | |
| 4-Stage Osteoarthritis Knee Model (1 supplier) | |
| 4-Way Expanders (1 supplier) | |
| 4-Wheel Mobility Scooters (9 suppliers) | |
| 4-Wheel Scooters (13 suppliers) | |
| 45° Vertical Microscissor (1 supplier) | |
| 4D Portable Ultrasound Machines (4 suppliers) | |
| 4 Channel Combination Interferential Muscle Stimulators (1 supplier) | |
| 4 Channel Electrotherapy System with Cart (2 suppliers) | |
| 4 Channel Muscle Stimulator (3 suppliers)
4 Channel Muscle Stimulator is powered by using an AC adapter or by 4 'D' cells. It relaxes a tense, tight or spasmodic muscle. This 4-channel muscle stimulator is used for the reduction or prevention of muscle atrophy. It increases motion, strength and response of muscles restricted from disuse or from atrophy. The system includes 8-4' diameter permanent electrodes, 4-60' leadwires, AC adapter, instruction manual and EMS stimulator in attractive briefcase.
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| 4 Channel Radial Anorectal Manometry Catheters (3 suppliers) | |
| 4 Channel Spiral Anorectal Manometry Catheters (1 supplier) | |
| 4 mm Cystoscopes (6 suppliers) | |
| 4 Platforms Magnetic Shakers (2 suppliers) | |
| 4 Way Float Tables with F/C Rotate (1 supplier) | |
| 4 Wheel Electric Scooters (2 suppliers) | |
| 4 Zone Adjustable Low Air Loss Systems (1 supplier) |