# K183163: Intraoperative, Single-Use, Sterile, Silicone Breast Sizer Motiva Implant Matrix

- Pathway: 510(k) (Traditional)
- Applicant: Motiva USA, LLC
- Decided: Feb 5, 2019 after 82 days
- Product code: MRD (Mammary Sizer)
- 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 K010709 (2001). 4 ancestors in all.
1 later device descends 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)
- K151055: Mentor MemoryShape Resterilizable Gel Breast Implant Sizer STERILE, Mentor Worldwide, LLC (2015) Summary page 4.

## Most influential descendants
- K200706: Sientra OPUS Silicone Gel Breast Implant Sizer (2020), 0 descendants of its own

## Indications for use
Intraoperative, Single-use, Sterile, Silicone Breast Sizers Motiva Implant Matrix® are temporary intraoperative placement devices used during breast augmentation or reconstruction procedures to assist the surgeon in determining the appropriate size of the long-term breast implant to use.

Source page: https://510kreport.com/device/K183163
Methodology: https://510kreport.com/methodology