Device type
Hydrogel Spacer
Product code OVB · Class II · 21 CFR 892.5725 · 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 radiotherapy treatment and is completely absorbed by the patient’s body over time.
Recent 510(k)s
Sep 11, 2026
K262151
SpaceOAR Flex™ System
Boston Scientific Corporation
- OVB
- Class II
Recent recalls
No recalls in the archive for OVB.