# K903654: Liss Cranial Stimulator Model SBL202-B

- Pathway: 510(k) (Traditional)
- Applicant: Medical Consultants Intl., Ltd.
- Decided: Oct 4, 1990 after 90 days
- Product code: QJQ (Cranial Electrotherapy Stimulator To Treat Insomnia And/Or Anxiety)
- Device class: 2
- Regulation: 21 CFR 882.5800
- Recalls of this device: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K024377: Transcranial Electrotherapy Stimulator-a, Model Tesa-1 (2003), 0 descendants of its own

## Recalls of this device
- Apr 6, 2023 · Class II · Z-1600-2023: If the batteries are installed incorrectly, the product may overheat, possibly leading to pain, discomfort, irritation, or even burns during use of the device.

Source page: https://510kreport.com/device/K903654
Methodology: https://510kreport.com/methodology