# K984185: Modification to Tac-S Monopolar Cautery Probe Family

- Pathway: 510(k) (Special)
- Applicant: Oratec Interventions, Inc.
- Decided: Dec 16, 1998 after 23 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: 1 generation back to K963157 (1996). 1 ancestor in all.
2 later devices descend from it; 2 cite it directly.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K963157: Oratec Interventions Model Tac-S Monopolar Cautery Probe (Modify), Oratec Interventions, Inc. (1996) Summary page 1.

## Most influential descendants
- K991830: Capsular Shrinkage Electrode (1999), 0 descendants of its own
- K990859: Deflectable Tac Electrothermal Probe (1999), 0 descendants of its own

## Indications for use
The TAC-S™ Monopolar Cautery Probes are disposable electrosurgical devices intended to be used in arthroscopic procedures where electro-coagulation of soft tissues is desired. They are intended to be used with Oratec™ Interventions ElectroThermal™ Generators.

Source page: https://510kreport.com/device/K984185
Methodology: https://510kreport.com/methodology