SpaceOAR Flex System— 510(k) K262151

Substantially Equivalent

Boston Scientific Corporation

FDA 510(k) clearance K262151 for SpaceOAR Flex System, Substantially Equivalent on 2026-09-11. Applicant: Boston Scientific Corporation. Device class: 2.

Summary

The SpaceOAR Flex System is a new version of Boston Scientific's SpaceOAR, a hydrogel injected between the prostate and the rectum before prostate radiation therapy. The gel pushes the rectum away from the high-dose area and absorbs over the following months. Product code OVB covers hydrogel spacers.

Class II, 21 CFR 892.5725. The Radiology panel reviewed it as a Traditional 510(k).

Boston Scientific filed from Marlborough, Massachusetts. Review took 78 days (June 25 to September 11, 2026). The record doesn't say what "Flex" changes from the original system.

Clearance details

Applicant
Boston Scientific Corporation
Product code
Code OVB
Device class
Class 2
Regulation
21 CFR 892.5725
Advisory panel
Radiology
Date received
Decision date
Decision
Substantially Equivalent
Clearance type
Traditional
Location
Marlborough, MA, US
Download summary PDFView on FDA.gov ↗

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Adverse events under product code OVB

product code OVB
Death
7
Injury
658
Malfunction
1,206
Total
1,871

Source: openFDA MAUDE database, through . Counts aggregate all devices under this product code, not just this specific clearance. Reports are submissions to FDA, not validated events. Search MAUDE directly →

Data sourced from openFDA. This site is unofficial and independent of the FDA.