# K972815: Partial/Total/Porous Polyethylene Ossicular Replacement

- Pathway: 510(k) (Traditional)
- Applicant: Grace Medical, Inc.
- Decided: Oct 8, 1997 after 72 days
- Product code: ETB (Prosthesis, Partial Ossicular Replacement)
- Device class: 2
- Regulation: 21 CFR 874.3450
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
5 later devices descend from it; 1 cites it directly.
0 of 6 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA’s file for it is a 510(k) statement, which names no predicate.

## Most influential descendants
- K063374: Nitinol Locking Incudo-Stapedial Joint, Angular Piston, Piston, Malleus Piston, Porp and Footplate Shoe (2006), 4 descendants of its own
- K112616: Nitibond Stapes Prosthesis, Nitiplast Stapes Prosthesis (2013), 3 descendants of its own
- K130512: Nitiflex Stapes Prosthesis, Detroit Piston, Skarzynski Piston, Roberson Stapes Prosthesis (2013), 2 descendants of its own
- K241142: mAXIS Stapes Prosthesis, mLOOP Stapes Prosthesis, mZAM Stapes Prosthesis and mFIX Stapes Prosthesis (2025), 1 descendant of its own
- K260720: mWING Stapes Prosthesis (0.4 x 3.50 mm) (58717); mWING Stapes Prosthesis (0.4 x 3.75 mm) (58719); mWING Stapes Prosthesis (0.4 x 4.00 mm) (58721); mWING Stapes Prosthesis (0.4 x 4.25 mm) (58723); mWING Stapes Prosthesis (0.4 x 4.50 mm) (58725); mWING Stapes Prosthesis (0.4 x 4.75 mm) (58727); mWING Stapes Prosthesis (0.4 x 5.00 mm) (58729); mWING Stapes Prosthesis (0.4 x 5.25 mm) (58731); mWING Stapes Prosthesis (0.4 x 5.50 mm) (58733); mWING Stapes Prosthesis (0.5 x 3.50 mm) (58735); (2026), 0 descendants of its own

## Indications for use
Ossicular replacement prostheses are indicated for the functional restoration of the ossicular chain when a conductive hearing loss is present. Indications include: Chronic middle ear disease Otosclerosis Congenital fixation of the stapes Secondary surgical intervention to correct for a significant and persistent conductive hearing loss from prior otologic surgery Surgically correctible injury to the middle ear from trauma

Source page: https://510kreport.com/device/K972815
Methodology: https://510kreport.com/methodology