# K140333: Ascend

- Pathway: 510(k) (Traditional)
- Applicant: Neurometrix, Inc.
- Decided: Jul 3, 2014 after 143 days
- Product code: NUH (Stimulator, Nerve, Transcutaneous, Over-The-Counter)
- Device class: 2
- Regulation: 21 CFR 882.5890
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K881114 (1988). 8 ancestors in all.
11 later devices descend from it; 3 cite it directly.
0 of 20 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K130919: Sensus, Neurometrix, Inc. (2013) Summary page 2.

## Cited in the summary but kept off the family tree
- K130037: Breathe Cpap System, Breathe Technologies, Inc. (2013). Not matched in our reading of the summary (scans can blur digits), so it is kept off the family tree

## Most influential descendants
- K182203: JKH Stimulator Plus (2019), 7 descendants of its own
- K191151: JKH Stimulator Plus (2019), 4 descendants of its own
- K231569: ManaFlexx 2 (model: MF002-RX, MF002-OTC) (2023), 1 descendant of its own
- K202159: actiTENS (2020), 1 descendant of its own
- K160052: CUR Model 1 (2016), 1 descendant of its own

## Indications for use
ASCEND is intended for use as a transcutaneous electrical nerve stimulation device for temporary relief of pain associated with sore and aching muscles in the lower extremities due to strain from exercise or normal household and work activities. ASCEND is intended for use as a transcutaneous electrical nerve stimulation device for the symptomatic relief and management of chronic intractable pain. The device may be used during sleep. The device is labeled for use only with compatible NeuroMetrix electrodes.

Source page: https://510kreport.com/device/K140333
Methodology: https://510kreport.com/methodology