EOB · Class II · 21 CFR 874.4760

FDA Product Code EOB: Nasopharyngoscope (flexible Or Rigid)

Visualization of the nasopharynx is essential in the evaluation of nasal, sinus, and upper airway conditions. FDA product code EOB covers flexible and rigid nasopharyngoscopes and their accessories.

These endoscopes allow ENT specialists to directly inspect the nasal cavity, nasopharynx, and hypopharynx for the diagnosis of nasal polyps, sinusitis, tumors, and voice disorders, and to guide procedures including biopsy and intubation.

EOB devices are Class II medical devices, regulated under 21 CFR 874.4760 and reviewed by the FDA Ear, Nose & Throat panel.

Leading manufacturers include Olympus Medical Systems Corporation, Olympus Medical Systems Corp. and Shenzhen HugeMed Medical Technical Development Co., Ltd..

160
Total
160
Cleared
137d
Avg days
1987
Since
Declining activity - 6 submissions in the last 2 years vs 10 in the prior period
Review times increasing: avg 241d recently vs 133d historically

FDA 510(k) Cleared Nasopharyngoscope (flexible Or Rigid) Devices (Product Code EOB)

160 devices
1–24 of 160
Cleared Mar 25, 2026
Video Rhinolaryngoscope System (Disposable Video Rhinolaryngoscope SP11A Endoscopic Video Processor M110B)
K253184
Zhuhai Wesee Meditech Co., Ltd.
Ear, Nose, Throat · 180d
Cleared Mar 20, 2026
Disposable Biopsy Forceps FB-211D, FB-221D, FB-231D, FB-241D
K252050
Olympus Medical Systems Corporation
Ear, Nose, Throat · 262d
Cleared Aug 11, 2025
Outlook Surgical Versa One System (8900139)
K241731
Resnent, LLC
Ear, Nose, Throat · 420d
Cleared Jun 05, 2025
Portare System (FA-001)
K243639
Grumpy Innovation, Inc.
Ear, Nose, Throat · 192d
Cleared Mar 03, 2025
VISERA S VIDEO SYSTEM CENTER OLYMPUS OTV-S500 (OLYMPUS OTV-S500)
K243380
Olympus Medical Systems Corporation
Ear, Nose, Throat · 124d
Cleared Sep 19, 2024
MonoStereo
K234096
Medicaltek Co., Ltd.
Ear, Nose, Throat · 268d
Cleared Apr 26, 2024
Rhinolaryngoscope system
K232435
Shenzhen HugeMed Medical Technical Development Co., Ltd.
Ear, Nose, Throat · 256d
Cleared Jun 14, 2023
Single-use Flexible Rhinolaryngoscope
K230536
Hunan Vathin Medical Instrument Co., Ltd.
Ear, Nose, Throat · 107d
Cleared Dec 28, 2022
RHINO-LARYNGOFIBERSCOPE OLYMPUS ENF TYPE-XP
K221660
Olympus Medical Systems Corp.
Ear, Nose, Throat · 203d
Cleared Nov 16, 2022
PENTAX Medical EPK-3000 Imaging System with Camera Head PVK-J10, PENTAX Medical ENT Imaging System with Camera Head PVK-J10
K220465
Pentax of America, Inc.
Ear, Nose, Throat · 272d
Cleared Sep 19, 2022
Rhino-Laryngo Videoscope Olympus ENF-VH, Rhino-Laryngo Videoscope Olympus ENF-V3
K221638
Olympus Medical Systems Corp.
Ear, Nose, Throat · 105d

About Product Code EOB - Regulatory Context

510(k) Submission Activity

160 total 510(k) submissions under product code EOB since 1987, with 160 receiving FDA clearance (average review time: 137 days).

Submission volume has declined in recent years - 6 submissions in the last 24 months compared to 10 in the prior period.

FDA Review Time

Recent submissions under EOB have taken an average of 241 days to reach a decision - up from 133 days historically. Manufacturers should account for longer review timelines in current project planning.

EOB devices are reviewed by the Ear, Nose, Throat panel. Browse all Ear, Nose, Throat devices →