SpaceOAR Flex™ System

FDA 510(k) K262151 · Boston Scientific Corporation

Substantially Equivalent

510(k) numberK262151

Submission

Device name
SpaceOAR Flex™ System
Applicant
Boston Scientific Corporation
Marlborough, MA, US
Received
June 25, 2026
Decision date
September 11, 2026
Decision
Substantially Equivalent (SESE)
Type
Traditional 510(k)
Summary
510(k) summary available from FDA

Official FDA 510(k) record

Device classification

Product code
OVB – Hydrogel Spacer
Device class
Class II (moderate risk)
Regulation
21 CFR 892.5725
Specialty
Radiology

The perirectal spacer is intended to temporarily position the anterior rectal wall away from the prostate during radiotherapy for prostate cancer and in creating this space it is the intent of the perirectal spacer to reduce the radiation dose delivered to the anterior rectum. The perirectal spacer is composed of biodegradable material and maintains space for the entire course of prostate…

Other 510(k)s with product code OVB

510(k)DeviceApplicantDecision
K260119SpaceOAR Vue System (SV-2101)OVB · Special Boston Scientific Corporation02/10/2026SE
K222972BioProtect Balloon Implant™ SystemOVB · Traditional Bioprotect, Ltd.08/25/2023SE
K220641Barrigel Injectable GelOVB · Traditional Palette Life Sciences05/26/2022SE
K202224SpaceOAR SystemOVB · Special Boston Scientific Corporation08/28/2020SE
K182971SpaceOAR Vue HydrogelOVB · Traditional Augmenix, Inc.07/19/2019SE
K181465SpaceOAR SystemOVB · Special Augmenix, Inc.06/25/2018SE

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Questions and answers

When was SpaceOAR Flex™ System cleared by the FDA?

SpaceOAR Flex™ System (K262151) received a 510(k) decision of Substantially Equivalent on September 11, 2026, 78 days after the submission was received.

What is the product code of K262151?

The FDA product code is OVB – Hydrogel Spacer, a Class II (moderate risk) device regulated under 21 CFR 892.5725.