Cleared Traditional

K210946 - Promisemed Automatic Biopsy Needles, Promisemed Co-Axial Biopsy Devices, Promisemed Semi-automatic Biopsy Needles

K210946 is an FDA 510(k) clearance for Promisemed Automatic Biopsy Needles, manufactured by Promisemed Hangzhou Meditech Co., Ltd.. The device is a Class 2 General & Plastic Surgery device with product code KNW cleared through the Traditional 510(k) pathway after a 135-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 2021
Decision
135d
Days
Class 2
Risk

K210946 is an FDA 510(k) clearance for the Promisemed Automatic Biopsy Needles, Promisemed Co-Axial Biopsy Devices, Prom.... Classified as Instrument, Biopsy (product code KNW), Class II - Special Controls.

Submitted by Promisemed Hangzhou Meditech Co., Ltd. (Hangzhou City, CN). The FDA issued a Cleared decision on August 12, 2021 after a review of 135 days - within the typical 510(k) review window.

This device falls under the General & Plastic Surgery FDA review panel, regulated under 21 CFR 876.1075 - the FDA general and plastic surgery device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the General & Plastic Surgery review framework, consistent with the majority of Class II 510(k) submissions.

View all Promisemed Hangzhou Meditech Co., Ltd. devices

FDA 510(k) Submission Details - K210946

510(k) Number K210946 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 30, 2021
Decision Date August 12, 2021
Days to Decision 135 days
Submission Type Traditional
Review Panel General & Plastic Surgery (SU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
20d slower than avg
Panel avg: 115d · This submission: 135d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KNW Device Classification - Class 2, Special Controls

Product Code KNW Instrument, Biopsy
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.1075
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most General & Plastic Surgery devices follow this clearance model.

Regulatory Consultant

Vee Care (Asia) Limited
Wei Shan Hsu

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - KNW Instrument, Biopsy

All 290
Devices cleared under the same product code (KNW) and FDA review panel - the closest regulatory comparables to K210946.
Arthrex Vortex Threaded Bone Marrow Recovery Needle
K213213 · Arthrex, Inc. · Nov 2021
Disposable Automatic Core Biopsy Instrument
K212284 · Suzhou Leapmed Healthcare Corporation · Nov 2021
Uramix CuraWay Biopsy Needle
K203141 · Uramix, Inc. · Sep 2021
EleVation Breast Biopsy System
K211933 · Bard Peripheral Vascular · Jul 2021
Avitus(r) Bone Harvester
K210631 · Avitus Orthopaedics, Inc. · Mar 2021
EnCor Breast Biopsy Probe with Rinse Tube
K210654 · Senorx, Inc. · Mar 2021