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YY 0341-2009

Chinese Standard: 'YY 0341-2009'
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Standard ID YY 0341-2009 (YY0341-2009)
Description (Translated English) General technological requirements for non-active metallic surgical implants for osteosynthesis
Sector / Industry Medical Device & Pharmaceutical Industry Standard
Classification of Chinese Standard C35
Classification of International Standard 11.040.40
Word Count Estimation 16,181
Date of Issue 2009-12-30
Date of Implementation 2011-06-01
Older Standard (superseded by this standard) YY 0341-2002
Quoted Standard GB/T 191; GB/T 228; GB/T 2829; GB/T 4340.1; GB/T 14233.2; GB/T 15239; GB/T 16886.1; YY/T 0343; YY/T 0640-2008; YY/T 1074
Drafting Organization China Food & Drug Administration Tianjin Medical Devices Inspection Center
Administrative Organization National Surgical implants and orthopedic instruments Standardization Technical Committee
Summary This standard specifies the definition, requirements, test methods, inspection rules, instructions, instructions, packaging, transportation and storage and use requirements of passive surgical implants for bone bonding. This standard applies to the use of metal materials made of bone graft with passive surgical implant (referred to as "bone graft"). This standard does not apply to bone grafting with surface coating.

YY 0341-2009
ICS 11.040.40
C 35
Pharmaceutical Industry Standard
of the People’s Republic of China
YY/T 0341-2009
Replacing 0341-2002
General technological requirements for
non-active metallic surgical implants for
Issued by. China Food and Drug Administration
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 5 
4 Requirements ... 6 
5 Test methods ... 7 
6 Inspection rules ... 8 
7 Usage instructions ... 9 
8 Marks of implants ... 9 
9 Packaging and label ... 10 
Annex A ... 12 
Annex B ... 14 
Annex C ... 16 
Annex D ... 17 
Definitions in this Standard are quoted from YY/T 0340-2009 “Surgical Implant – Basic
Principles” (ISO/TR 14283.2004, IDT), YY/T 0640-2008 “Non-active Surgical Implant
– General Requirements” (ISO 14630.2005, IDT), and GB/T 12417.1-2008
“Non-active Surgical Implant – Osteosynthesis and Joint Replacement Implant. Part 1.
Special Requirements for Implants for Osteosynthesis” (ISO 14602.1998, IDT).
This Standard replaces YY 0341-2002 “General technological requirements for
non-active metallic surgical implants for osteosynthesis”.
Main differences between this Standard and YY 0341-2002 are as follows.
- REVISE chapter 3, 6, 7, 8, and 9, according to corresponding international standards;
- ADD static and/or dynamic load evaluation tests according to GB/T 12417.1-2008;
- ADD informative annex D; as a reference, introduce some American standards for
testing and evaluation.
Annex A, Annex B, Annex C, and Annex D of this Standard are all informative.
This Standard was proposed by State Food and Drug Administration.
This Standard shall be under the jurisdiction of national standardization technical
committee of surgical implants and orthopedic devices (SAC/TC 110).
Drafting organization of this Standard. Tianjin Medical Device Quality Supervision and
Inspection Center of State Food and Drug Administration.
Main drafters of this Standard. Fan Bo, Yang Jiangang, Song Duo, Qi Baofen, and
Jiang Hua.
General technological requirements for non-active
metallic surgical implants for osteosynthesis
1 Scope
This Standard specifies the definitions, requirements, testing methods, inspection
rules, usage instructions, marks, packaging, transportation, storage, usage
requirements etc. of the non-active surgical implants for osteosynthesis.
This Standard is applicable to non-active surgical implants for osteosynthesis
(abbreviated as “implants for osteosynthesis”) which are made of metallic materials.
This Standard is not applicable to implants for osteosynthesis which have coating on
the surface.
2 Normative references
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrections) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
GB/T 191 Packaging - Pictorial marking for handling of goods (GB/T 191-2008,
ISO 780.1997, MOD)
GB/T 228 Metallic materials - Tensile testing at ambient temperature (GB/T
228-2002, eqv ISO 6892.1998)
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes
(Applicable to inspection of process stability)
GB/T 4340.1 Metallic materials - Vickers hardness test - Part 1. Test method
(GB/T 4340.1-1999, eqv ISO 6507-1.1997)
GB/T 14233.2 Test methods for infusion, transfusion, injection equipment for
medical use - Part 2. Biological test methods
GB/T 15239 Sampling procedures and tables for isolated lot inspection by
GB/T 16886.1 Biological evaluation of medical devices - Part 1. Evaluation and
testing (GB/T 16886.1-2001, IDT; ISO 10993-1. 1997, IDT)
YY/T 0343 Liquid penetrant inspection of metallic surgical implants (YY/T
0343-2002, ISO 9583.1993, NEQ)
YY/T 0640-2008 Non-active surgical implants - General requirements (ISO
14630. 2005, IDT)
YY/T 1074 Implants for surgery - Measuring method for pitting corrosion potential
on stainless products
3 Terms and definitions
The following terms and definitions apply to this Standard.
Surgical implant
Device for the following purposes.
- Totally embedded into human body, or
- REPLACE the epithelial surface or ocular surface,
Device remains at the above operation positions through surgical invasion method.
Note. Through surgically invasion methods, some medical devices which are embedded
into human body and remained at the operation position for at least 30 days shall also be
regarded as implants.
Non-active surgical implant
It refers to the surgical implant that operates without electric energy or other energy
sources, except the energy directly generated by human body or gravity.
Non-active surgical implant for osteosynthesis
It refers to the non-active surgical implant providing support for bones, cartilages,
tendons or ligament structures.
non-sterile status. Implants for osteosynthesis delivered in sterile status shall pass an
effective and confirmed sterilization process to make the products to be in sterile
5 Test methods
5.1 Materials
5.1.1 Material samples for chemical component and microscopic structure testing
shall be sampled from the final products of the implants for osteosynthesis; the testing
shall be conducted according to the methods specified in corresponding product
5.1.2 Biological property test shall be conducted according to the recommended
methods in GB/T 16886.1, or comply with the provisions of other related standards.
5.2 Mechanical property
5.2.1 When evaluating the implant by static and/or dynamic load test, it can adopt the
existing inspection standards or formulate the testing models according to the
implant’s characteristics.
Note. As there are many kinds of implants and large characteristic differences, the
inspection standard may not yet exist or may need to be revised.
5.2.2 Hardness. Test shall be conducted according to the methods specified in GB/T
5.2.3 Tensile strength. Test shall be conducted according to the methods specified in
GB/T 228.
5.3 Electrochemical corrosion test
Pitting potential. Test shall be conducted according to the methods specified in YY/T
5.4 Surface quality
5.4.1 Surface flaw. CONDUCT according to the methods specified in YY/T 0343.
5.4.2 Surface roughness. USE sample piece comparison method or electrometric
5.4.3 Appearance. OBSERVE by eyesight.
5.5 Dimension of important parts
10.2 Transportation signs shall comply with the specifications of GB/T 191.
10.3 After packaging, the implant products shall be stored indoor with relative humidity
not more than 80%, without corrosive gas, and with good ventilation.
11 Usage requirements
11.1 Implant products that have been used can’t be used again.
11.2 Implant usage shall be under strict conditions and meet clinical usage
requirements. The patient’s own conditions may affect the implant’s properties.
11.3 If the implant is planned to be used with other implants or devices, the whole
combination (including connection system) shall be safe and not impair the implants’
specified properties. Any usage limitations shall be indicated in the label or in the
usage instructions.
mechanical requirements
ISO 5838-2 Implants for surgery - Skeletal pins and wires - Part 2. Steinmann pins;
Related standard: YY 0341.1-2020    YY 0341.2-2020
Related PDF sample: YY 0341.1-2020    YY 0502-2016