# K071137: Sonicator Plus 940, Model ME940

- Pathway: 510(k) (Abbreviated)
- Applicant: Mettler Electronics Corp.
- Decided: Aug 1, 2007 after 99 days
- Product code: IMG (Stimulator, Ultrasound And Muscle, For Use In Applying Therapeutic Deep Heat)
- Device class: 2
- Regulation: 21 CFR 890.5860
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 1 generation back to K984142 (1999). 2 ancestors in all.
19 later devices descend from it; 4 cite it directly.
0 of 22 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K984142: Sonicator Plus 992, Model Number ME 992 and Sonicator Plus 994, Model Number ME 994, Mettler Electronics Corp. (1999) Summary page 2.
- K031077: Vectra Epr System and Intelect Epr System, Chattanooga Group (2003) Summary page 2.

## Most influential descendants
- K093138: MT9000 Series Electro-Stimulator, Models MT9000, MT9002, MT9001, MT9004 and MT9003 (2010), 15 descendants of its own
- K113010: FDES100(Tens and Ems Stimulator, FDES102(ED402) Tens Stimulator (2012), 8 descendants of its own
- K181688: R-C1 TENS and EMS Stimulator; R-E1- EMS Stimulator; R-T1 TENS Stimulator (2018), 6 descendants of its own
- K210021: Axon Therapy (2021), 5 descendants of its own
- K230014: MagVenture Pain Therapy: MagPro R30, MagPro R30 with MagOption, MagPro X100, MagPro X100 with MagOption (2023), 3 descendants of its own

## Indications for use
Therapeutic Ultrasound Application of therapeutic deep heat for the treatment of selected sub-chronic and chronic medical conditions such as; 1. Relief of pain, muscle spasms and joint contractures: 2. Relief of pain, muscle spasms and joint contractures that may be associated with: * Adhesive capsulitis * Bursitis with slight calcification * Myositis * Soft tissue injuries * Shortened tendons due to past injuries and scar tissues 3. Relief of pain, muscle spasms and joint contractures resulting from: * Capsular tightness * Capsular tightening 4-Pole Interferential, 2-Pole Interferential, TENS and Microcurrent waveforms 1. Symptomatic relief of chronic intractable pain 2. Post-traumatic pain 3. Post-surgical pain EMS, TENS, Hi Volt and Russian waveforms 1.Relaxation of muscle spasms 2. Increase local blood circulation 3. Prevention or retardation of disuse atrophy 4. Muscle re-education 5. Maintaining or increasing range of motion 6. Immediate post surgical stimulation of calf muscles to prevent venous thrombosis DC (Direct Current) Relaxation of muscle spasms

Source page: https://510kreport.com/device/K071137
Methodology: https://510kreport.com/methodology