# K924281: Harmonic Scalpel Laparosonic Blade Accessory

- Pathway: 510(k) (Traditional)
- Applicant: Ultracision, Inc.
- Decided: Apr 23, 1993 after 241 days
- Product code: GCJ (Laparoscope, General & Plastic Surgery)
- Device class: 2
- Regulation: 21 CFR 876.1500
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
34 later devices descend from it; 1 cites it directly.
0 of 35 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K990362: Instrument, Ultrasonic, Scalpel (1999), 33 descendants of its own
- K100597: Harmonic Focus Shears (2010), 18 descendants of its own
- K031710: Olympus Ultrasonic Surgical System (2003), 18 descendants of its own
- K050885: Olympus Ultrasonic Surgical System Sonosurg (2005), 15 descendants of its own
- K111202: Surgical Tissue Management System (2012), 11 descendants of its own

Source page: https://510kreport.com/device/K924281
Methodology: https://510kreport.com/methodology