KNW · Class II · 21 CFR 876.1075

FDA Product Code KNW: Instrument, Biopsy

Tissue biopsy is the definitive diagnostic procedure in oncology and pathology. FDA product code KNW covers biopsy instruments used to obtain tissue samples for histopathological analysis.

These devices use needle-based, vacuum-assisted, or mechanical cutting mechanisms to remove representative tissue cores from suspect lesions. They are used across specialties including breast surgery, urology, gastroenterology, and interventional radiology.

KNW devices are Class II medical devices, regulated under 21 CFR 876.1075 and reviewed by the FDA General & Plastic Surgery panel.

Leading manufacturers include Senorx, Inc., Promisemed Hangzhou Meditech Co., Ltd. and SurGenTec, LLC.

10
Total
10
Cleared
114d
Avg days
2021
Since

List of Instrument, Biopsy devices cleared through 510(k)

10 devices
1–10 of 10
Cleared Feb 23, 2026
ZeniCore™ Automatic Biopsy Instrument (863212100 / ZeniCore Automatic Biopsy Device 12ga x 10cm with Coaxial Introducer Kit)
K252795
Argon Medical Devices, Inc.
General & Plastic Surgery · 174d
Cleared Dec 12, 2025
EnCor EnCompass™ Breast Biopsy and Tissue Removal System
K252681
Bard Peripheral Vascular, Inc.
General & Plastic Surgery · 109d
Cleared Jul 10, 2025
Marquee™ Disposable Core Biopsy Instrument and Instrument Kit
K250032
Bard Peripheral Vascular, Inc.
General & Plastic Surgery · 184d
Cleared Apr 24, 2025
ALARA BMA Neuro Access Kit (ALARA BMAN and ALARA BMAC Kit)
K243945
SurGenTec, LLC
General & Plastic Surgery · 125d
Cleared Aug 09, 2024
ALARA BMA Neuro Access Kit (ALARA BMAN and ALARA BMAC Kit)
K240664
SurGenTec, LLC
General & Plastic Surgery · 154d
Cleared Oct 27, 2023
EnCor Enspire™Breast Biopsy System (E4115, E4230)
K233220
Senorx, Inc.
General & Plastic Surgery · 29d
Cleared Apr 22, 2022
Promisemed Fine Biopsy Needle
K213683
Promisemed Hangzhou Meditech Co., Ltd.
General & Plastic Surgery · 151d
Cleared Nov 19, 2021
Arthrex Vortex Threaded Bone Marrow Recovery Needle
K213213
Arthrex, Inc.
General & Plastic Surgery · 51d
Cleared Aug 12, 2021
Promisemed Automatic Biopsy Needles, Promisemed Co-Axial Biopsy Devices, Promisemed Semi-automatic Biopsy Needles
K210946
Promisemed Hangzhou Meditech Co., Ltd.
General & Plastic Surgery · 135d
Cleared Mar 31, 2021
EnCor Breast Biopsy Probe with Rinse Tube
K210654
Senorx, Inc.
General & Plastic Surgery · 27d

How to use this database

This page lists all FDA 510(k) submissions for Instrument, Biopsy devices (product code KNW). Click any device to view full submission details, including the decision date, manufacturer information, predicate device, and a link to the official FDA record.

These devices fall under the General & Plastic Surgery FDA review panel. Browse all General & Plastic Surgery devices →