# K220625: ALTMS Magnetic Stimulation Therapy System, Blossom TMS Therapy System

- Pathway: 510(k) (Special)
- Applicant: Remed Co., Ltd.
- Decided: Apr 6, 2022 after 34 days
- Product code: OBP (Transcranial Magnetic Stimulator)
- Device class: 2
- Regulation: 21 CFR 882.5805
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 7 generations back to DEN070003 (2008). 11 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 13 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K202537: ALTMS Magnetic Stimulation Therapy System, Remed Co., Ltd. (2021) Summary page 4.
- K173441: Neurosoft TMS (also CloudTMS), Teleemg, LLC (2017) Summary page 4.

## Most influential descendants
- K251653: SPRY TMS Therapy System (0550) (2026), 0 descendants of its own

## Indications for use
ALTMS Magnetic Stimulation Therapy System (also Blossom TMS Therapy System) is indicated for the treatment of Major Depressive Disorder in adult patients, who have failed to achieve satisfactory improvement from prior antidepressant medication in the current episode.

Source page: https://510kreport.com/device/K220625
Methodology: https://510kreport.com/methodology