# K051036: Harmonic Ace Curved Shears with Pistol Handle and Hand Control, Model ACE23P, ACE36P

- Pathway: 510(k) (Traditional)
- Applicant: Ethicon Endo-Surgery, Inc.
- Decided: Jun 2, 2005 after 38 days
- Product code: LFL (Instrument, Ultrasonic Surgical)
- Device class: U
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K925699 (1993). 6 ancestors in all.
14 later devices descend from it; 3 cite it directly.
0 of 21 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K042777: Harmonic Ace Curved Shears with Hand Control, Model ACE23P, ACE36P, Ethicon Endo-Surgery, Inc. (2004) Summary page 1.

## Most influential descendants
- K111202: Surgical Tissue Management System (2012), 11 descendants of its own
- K132703: Thunderbeat (2014), 9 descendants of its own
- K151743: THUNDERBEAT Open Fine Jaw (2016), 6 descendants of its own
- K192103: Thunderbeat Open Fine Jaw Type X Hand Instrument (2020), 4 descendants of its own
- K172610: THUNDERBEAT 5 mm, 20 cm, Front-actuated Grip Type S, THUNDERBEAT 5 mm, 35 cm, Front-actuated Grip Type S,  THUNDERBEAT 5 mm, 45 cm, Front-actuated Grip Type S (2018), 4 descendants of its own

## Indications for use
The Harmonic ACE™ Curved Shears with Pistol Handle and Hand Control is indicated for soft tissue incisions when bleeding control and minimal thermal injury are desired. The instrument can be used as an adjunct to or substitute for electrosurgery, lasers, and steel scalpels in general, pediatric, gynecologic, urologic and other open and endoscopic procedures. The Harmonic ACE™ Curved Shears with Scissor Handle and Hand Control is indicated for soft tissue incisions when bleeding control and minimal thermal injury are desired. The instrument can be used as an adjunct to or substitute for electrosurgery, lasers, and steel scalpels in general, pediatric, gynecologic, urologic and other open and endoscopic procedures.

Source page: https://510kreport.com/device/K051036
Methodology: https://510kreport.com/methodology