# K082955: Ethicon Endo-Surgery Articulating Hook Knife, Model IN4505

- Pathway: 510(k) (Traditional)
- Applicant: Ethicon Endo-Surgery, Inc.
- Decided: Jan 15, 2009 after 104 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: 2 generations back to K970053 (1997). 6 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K073046: Ethicon Endo Surgery Articulating Needle Knife, Model 2504, Ethicon Endo-Surgery, Inc. (2008) Summary page 1.
- K964175: Valleylab E2750 Laparoscopic Handset, Valleylab E2770 Series Electrodes, Valleylab, Inc. (1996) Summary page 1.
- K912492: Evacuation/Irrigation/Elecrosurgical Device, ETHICON, Inc. (1991) Summary page 1.

## Most influential descendants
- K091824: Ethicon Endo-Surgery Rotating Endoscopic Scissors, Model IN2507 (2009), 0 descendants of its own
- K091290: Ethicon Endo-Surgery Rotating Hook Knife, Model IN2508 (2009), 0 descendants of its own

## Indications for use
The Articulating Hook Knife is a monopolar electrosurgical instrument intended for cutting, dissecting and cauterizing soft tissue during endoscopic electrosurgical procedures.

Source page: https://510kreport.com/device/K082955
Methodology: https://510kreport.com/methodology