# K053326: Estech Cobra Electrosurgical Unit & Cable

- Pathway: 510(k) (Traditional)
- Applicant: Endoscopic Technologies, Inc.
- Decided: Jan 6, 2006 after 36 days
- Product code: GEI (Electrosurgical, Cutting & Coagulation & Accessories)
- Device class: 2
- Regulation: 21 CFR 878.4400
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 3 generations back to K921884 (1992). 8 ancestors in all.
7 later devices descend from it; 1 cites it directly.
0 of 16 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K013873: Cobra Cardiac Electrosurgical System, Boston Scientific Corp (2002) Summary page 2.

## Most influential descendants
- K063012: Ncontact Coagulation System Kit, Model CSK (2006), 6 descendants of its own
- K082203: Numeris Coagulation System with Visitrax, Model (S) CSK-021;CSK-022; CSK-023; CSK-025 (2008), 4 descendants of its own
- K071819: Ncontact Visitrax Guided Coagulation System Kit, Models CSK-212 and CSK-515 (2007), 4 descendants of its own
- K090202: Numeris Guided Coagulation System with Visitrax, Models CSK-121, -122, -123 and -125 (2009), 3 descendants of its own
- K120857: Epi-Sense Guided Coagulation Device with Visitrax (2012), 2 descendants of its own

## Indications for use
The Estech Cobra Cardiac Electrosurgical System is intended for the coagulation of cardiac tissue using radiofrequency (RF) energy during cardiac surgery. The System can be used during general surgery to coagulate soft tissue. The System may also be used to coagulate blood and soft tissue to produce hemostasis.

Source page: https://510kreport.com/device/K053326
Methodology: https://510kreport.com/methodology