Hmrs

G I-II. Circlips

Registry build 21.09.26
7manufacturers in China registered for this device type
4catalogue numbers in this listing
9510(k) clearances naming this product code
3recalls on this code

Who Else Makes It

Concentrated in Jiangsu (3), Shanghai (2), Zhejiang (2). 4 of them are registered as contract manufacturers, able to build to a buyer’s own specification.

Chinese manufacturers registered for FDA product code KRO
Manufacturer City Province Registered as Device types
Zhejiang Biomet Medical Products Co., Ltd. Jinhua Zhejiang Contract manufacturer 74
Paragon Medical Device (Changzhou) Co., Ltd. Changzhou Jiangsu Contract manufacturer 53
Canwell Medical Co., Ltd. Jinhua Zhejiang Contract manufacturer 42
Suzhou Elite Precision Machinery Co., Ltd. Kunshan Jiangsu Contract manufacturer 35
Zimmer (Shanghai) Medical International Trading Co., Ltd. Shanghai Shanghai Exporter 106
Shanghai JPY ION-Tech Co., Ltd. Shanghai Shanghai Contract manufacturer 70
Changzhou Biomet Medical Devices Co., Ltd. Changzhou Jiangsu Contract manufacturer 54

Record

Regulatory record for Hmrs
Listed by Howmedica Osteonics Corp, United States
FDA product code KRO
Device type Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer
Device class Class 2
Regulation 21 CFR 888.3510
Establishment Contract manufacturer, Contract steriliser, Specification developer, Manufacturer
Record published 2015-09-24
Record revised 2026-02-23 (version 7)

Specifications

Specifications
MRI safety Labeling does not contain MRI Safety Information
Supplied sterile Yes
Single use Yes
Prescription Prescription only
Label carries lot or batch number
Sizes Length 24 mm

Catalogue Numbers

Catalogue numbers for Hmrs
Catalogue number Size Status
6465-6-007 In distribution
6366-9-220 In distribution
6465-6-018 Diameter: 18.0 Millimeter In distribution
6466-9-230 In distribution

Same Product Code

Other products under the same FDA product code
Product Sold by Catalogue numbers
Link Endo-Model EVO Knee System Waldemar Link GmbH & Co. KG 324
Endo-Model Modular Knee Prosthesis System Waldemar Link GmbH & Co. KG 291
LinkSymphoKnee Waldemar Link GmbH & Co. KG 263
Evolution Microport Orthopedics Inc. 223
Legion Smith & Nephew, Inc. 222
OSS™ Orthopedic Salvage System Biomet Orthopedics 211
Ustar II Knee System United Orthopedic Corp. 185
“united” Ustar II Knee System United Orthopedic Corp. 162
Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer Zimmer, Inc. 157
Finn Knee System Biomet Orthopedics 138
NexGen Zimmer, Inc. 119
Triathlon Howmedica Osteonics Corp 106

Showing 12 of 109. All products under Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/Polymer

510(K) Clearances

FDA 510(k) clearances naming this product code
Clearance Decision date
K122015 2013-02-22
K060360 2006-03-15
K040749 2004-06-17
K031480 2003-07-31
K023087 2002-12-16
K002552 2000-11-13
K001957 2000-07-25
K001548 2000-06-07
K994207 2000-03-13

Recalls

The FDA has not published a severity grade for these. Volume alone is not a quality signal: a manufacturer that ships more recalls more.

Recalls referencing this product code
Initiated FDA class Root cause Reason Quantity Closed
2026-07-30 Not classified Process change control Affected devices were manufactured with Ultra High Molecular Weight Polyethylene (UHMWPE) raw material aged in excess of five years. Product has the potential for elevated levels of oxidation, which may result in increased wear, leading to 12,156 US
2009-01-30 Not classified Labeling False and Misleading Instruction for use incorrect: There are no statements or warning on labels or Instructions for Use that 8, 9 and 10 mm diameter MRS Cemented Stems are indicated only for use in the GMRS Proximal Tibial and Distal Femoral Components. 1161 units 2010-04-08
2005-05-05 Not classified Labeling mix-ups Mislabeled package: Package labeled as GMRS Extension Piece 60 mm, lot ZYCOC1 actually contains a GMRS Extension Piece 70 mm extension piece. 5 units 2010-10-01

Source: U.S. FDA establishment registration and device listing records, public domain. Restructured for clarity and searchability. Not affiliated with or endorsed by the FDA. Records are records: nothing here is an offer of sale.

Where China Actually Supplies

Every device page names the company that lists it and the factories registered to make the same thing. These are the sections with the most of them.

5,100manufacturers registered in China
2,581device types they are registered for
340,248device records, each naming its maker
31provinces with a registered manufacturer