# K182363: BTL-703

- Pathway: 510(k) (Traditional)
- Applicant: BTL Industries, Inc.
- Decided: Jan 24, 2019 after 147 days
- Product code: IMJ (Diathermy, Shortwave, For Use In Applying Therapeutic Deep Heat)
- Device class: 2
- Regulation: 21 CFR 890.5290
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K861248 (1986). 7 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K120093: BTL Elite, BTL Industries, Inc. (2012) Summary page 4.

## Most influential descendants
- K243112: Curapuls 670 (2025), 0 descendants of its own

## Indications for use
BTL-703 is indicated to be used for applying therapeutic deep heat in body tissues for the treatment of selected medical conditions such as: 1. Relieving pain; 2. Reducing muscle spasm; 3. Increasing range of motion of contracted joints using heat and stretch techniques; and 4. Increasing blood flow to tissues in the treatment area.

Source page: https://510kreport.com/device/K182363
Methodology: https://510kreport.com/methodology