# K870705: Thermal Coagulator

- Pathway: 510(k) (Traditional)
- Applicant: Microvasive
- Decided: Apr 17, 1987 after 56 days
- Product code: KNS (Unit, Electrosurgical, Endoscopic (With Or Without Accessories))
- Device class: 2
- Regulation: 21 CFR 876.4300
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
62 later devices descend from it; 1 cites it directly.
0 of 63 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
- K013873: Cobra Cardiac Electrosurgical System (2002), 61 descendants of its own
- K023288: Cobra Bipolar Clamp, Model 15902 (2003), 46 descendants of its own
- K040690: Surgifrost 10 CM Cryosurgical Device Plus Frostbyte Clamp and Cryosurgical Console (2004), 42 descendants of its own
- K022894: Epicor Medical Ablation System (2004), 23 descendants of its own
- K053436: Surgifrost 6CM, 7CM and 10 CM Cryosurgical Devices Plus Frostbyte Clamp and Cryosurgical Console (2006), 22 descendants of its own

Source page: https://510kreport.com/device/K870705
Methodology: https://510kreport.com/methodology