YY/T 0043-2016_English: PDF (YY/T0043-2016)
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Medical suture needle
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YY/T 0043-2016
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YY 0043-2005 | English | 559 |
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Medical suture needle
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YY 0043-2005
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YY 0043-1991 | English | 439 |
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Medical suture needle
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Standard ID | YY/T 0043-2016 (YY/T0043-2016) | Description (Translated English) | Medical suture needle | Sector / Industry | Medical Device & Pharmaceutical Industry Standard (Recommended) | Classification of Chinese Standard | C31 | Classification of International Standard | 11.040.30 | Word Count Estimation | 16,181 | Date of Issue | 2016-03-23 | Date of Implementation | 2017-01-01 | Older Standard (superseded by this standard) | YY 0043-2005; YY 0666-2008 | Drafting Organization | Shanghai Medical Sewing Needle Co., Ltd., Shanghai Medical Devices Testing Co., Ltd. Shanghai Pudong Jinhuan Medical Supplies Co., Ltd. | Administrative Organization | National Surgical Instruments Standardization Technical Committee (SAT/TC 94) | Regulation (derived from) | Notice of the General Administration of Food and Drug Administration (No. 74 of 2016) | Proposing organization | National Surgical Instruments Standardization Technical Committee (SAT/TC 94) | Issuing agency(ies) | State Administration of Food and Drug Administration | Standard ID | YY 0043-2005 (YY0043-2005) | Description (Translated English) | Medical suture needle | Sector / Industry | Medical Device & Pharmaceutical Industry Standard | Classification of Chinese Standard | C31 | Classification of International Standard | 11.040.30 | Word Count Estimation | 14,137 | Date of Issue | 2005-07-18 | Date of Implementation | 2006-06-01 | Older Standard (superseded by this standard) | YY 0043-1991 | Drafting Organization | Shanghai medical suture needle factory | Administrative Organization | National Standardization Technical Committee of Surgical Instruments | Regulation (derived from) | SFDA (2005) 380 | Issuing agency(ies) | State Food and Drug Administration | Summary | This standard specifies the medical suture needle (hereinafter referred to as suture needle) product classification and nomenclature, requirements, test methods, inspection rules, marking, instructions, packaging, transportation and storage. This standard applies to medical circle, triangle ordinary holes and bomb machine holes suture needle stitched the product for visceral, soft tissue, skin and other purposes. | Standard ID | YY 0043-1991 (YY0043-1991) | Description (Translated English) | Medical suture needle | Sector / Industry | Medical Device & Pharmaceutical Industry Standard | Classification of Chinese Standard | C31 | Word Count Estimation | 11,167 | Date of Issue | 1991/8/19 | Date of Implementation | 1991/10/1 | Older Standard (superseded by this standard) | GB 3152-1982; GB 3153-1982; GB 3154-1982; GB 3155-1982; GBn 211-1983 | Adopted Standard | JIS T3102-1985, NEQ | Regulation (derived from) | State-Food-Drug-Supervision-Device (2005) 380 |
YY/T 0043-2016
YY
PHARMACEUTICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 11.040.30
C 31
Replacing YY 0043-2005, YY 0666-2008
Medical suture needle
ISSUED ON: MARCH 23, 2016
IMPLEMENTED ON: JANUARY 01, 2017
Issued by: China Food and Drug Administration
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Classification, labeling and materials ... 6
4 Requirements ... 7
5 Test method ... 10
6 Inspection rules ... 13
7 Packaging, marking and instructions for use... 13
8 Storage ... 14
Appendix A (Informative) Schematic diagram of suture needle’s form, arc, hole
... 15
Appendix B (Informative) Schematic diagram of test device for elasticity and
toughness of suture needle ... 16
Appendix C (Normative) Test method for piercing force and strength of needle
tip ... 17
Appendix D (Normative) Test method for cutting force of suture needle’s triangle
edge ... 21
Medical suture needle
1 Scope
This standard specifies the product classification, labeling and materials,
requirements, test methods, inspection rules, packaging, markings and
instructions for use and storage of medical suture needles.
This standard applies to medical suture needles (hereinafter referred to as
suture needles) used to suture internal organs, soft tissues, skin, etc.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 4240 Stainless steel wires
GB/T 4340.1 Metallic materials - Vickers hardness test - Part 1: Test method
GB/T 16886.5-2003 Biological evaluation of medical devices - Part 5: Test
for in vitro cytotoxicity
GB/T 16886.7-2001 Biological evaluation of medical devices - Part 7:
Ethylene oxide sterilization residuals
GB/T 16886.10-2005 Biological evaluation of medical devices - Part 10:
Tests for irritation and delayed-type hypersensitivity
YY/T 0149-2006 Medical instruments of stainless steel - Test methods of
corrosion resistance
YY 0167-2005 Non-absorbable surgical suture
YY/T 0171-2008 Surgical instruments - Packaging, marking and instructions
Pharmacopoeia of the People's Republic of China (2010 Edition · Part 2)
Example:
Diameter D = 0.7 mm, chord length L = 24 mm, needle length = 31 mm, the
needle hole is a common hole, the form is a round needle, the arc is 3/8 arc,
which is marked as:
Round 3/8 arc • 7 × 24, or, round 3/8 arc • 7 × 24 - 31;
○3/8 arc·7 x 24, or, ○3/8 arc·7 x 24 - 31.
3.4 Materials
The suture needle is made of 30Cr13, 40Cr13, 12Cr18Ni9, 06Cr19Ni10
materials as specified in GB/T 4240, or other materials that meet the
requirements of the standard.
4 Requirements
4.1 Appearance
4.1.1 Needle body
The surface of the suture needle shall be smooth and uniform in color; the
needle tip shall have no hooks; the needle hole and needle groove shall be
smooth and centered; there shall be no burrs or obvious skew.
After the suture needle is connected to the suture thread, the needle tail shall
be smooth and free of burr.
4.1.2 Triangular cutting edge
The cutting edge of the triangular needle shall not be curled, white-edged or
jagged.
4.1.3 Surface roughness
The value of surface roughness Rα shall not be greater than 0.8 μm.
4.1.4 Embedding thread of spring hole
There shall be no defects such as secant (broken strand) or off-line in the
embedding thread of spring hole.
4.2 Physical properties
4.2.1 Hardness
The hardness of the suture needle shall meet the requirements of Table 1.
Carry out testing according to the Appendix XI J Testing Method of Microbial
Limit of the People's Republic of China Pharmacopoeia" (2010 Edition · Part 2),
the results shall comply with the provisions of 4.4.
5.5 Corrosion resistance
The corrosion resistance of the suture needle is tested according to the boiling
water test method of YY/T 0149-2006, the results shall meet the requirements
of 4.5.
5.6 Sterility
Carry out testing according to the Appendix XI H Sterile Test Method of the
People's Republic of China Pharmacopoeia" (2010 Edition · Part 2), the results
shall comply with the provisions of 4.6.
5.7 Residual ethylene oxide
The determination of the residual ethylene oxide is carried out according to the
method specified in GB/T 16886.7-2001, the results shall meet the
requirements of 4.7.
The preparation of the test solution: the suture needle and test water are
prepared in a ratio of 1.0 g:5 mL, sealed and equilibrated at 60 °C ± 1 °C for 40
min.
5.8 Biological evaluation
5.8.1 Carry out according to the method specified in 8.2 (extract liquid test) in
GB/T 16886.5-2003; the results shall meet the requirements of 4.8.1.
Preparation of extract:
a) Extraction conditions (37 ± 1) °C, (24 ± 2) h;
b) Extraction ratio 0.2 g/mL;
c) The extraction medium uses 10% serum.
5.8.2 Carry out according to the method specified in 7.4 (maximum dose test)
in GB/T 16886.10-2005; the results shall meet the requirements of 4.8.2.
5.8.3 Carry out according to the method specified in Appendix B.2 (intradermal
reaction test) in GB/T 16886.10-2005; the results shall meet the requirements
of 4.8.3.
5.9 Packaging and marking
Appendix C
(Normative)
Test method for piercing force and strength of needle tip
C.1 Scope
This method is suitable for testing the needle tip’s piercing force and strength
of suture needles.
C.2 Principle
C.2.1 Evaluate the strength of the suture needle tip by pressing the suture
needle tip vertically against the test material in the specified time under
specified load.
C.2.2 Evaluate the needle tip’s piercing force of the suture needle by the
maximum peak force measured by vertically piercing the test material with the
suture needle at the specified speed.
C.3 Definition
C.3.1
Strength of needles tips
After the needle tip is subject to external force, the force at which hook does
not appear.
C.3.2
Penetration force of needles tips
The force of needle piercing.
C.4 Test equipment
C.4.1 Instrument structure
The instrument structure is as shown in Figure C.1; other instruments with the
same performance and accuracy can also be used (such as adding a
measuring amplifier, data processing and display unit, printer, floppy disk and
other devices).
C.4.2.2 The indication error of the instrument shall not be greater than 0.01 N.
C.4.2.3 The instrument shall be equipped with a level correction and shock-
proof device. The position where the suture needle tips are clamped shall be
adjustable and stable when used.
C.4.2.4 The transmission device of the instrument shall be sensitive and reliable.
When the aluminum foil is pierced in contact with the electrode, the pointer shall
stop automatically.
C.4.2.5 The initial inductance of the instrument shall not be greater than 0.02
N.
C.4.2.6 The aperture of the aluminum foil fixture of the instrument is Φ5 mm;
the aluminum foil after clamping must not be loose; the aluminum foil in the
aperture shall be flat.
C.5 Test materials
C.5.1 Steel block
C.5.1.1 The hardness of the steel block is not less than FRC60.
C.5.1.2 The steel block is a cylinder with a smooth surface and a diameter of 5
mm.
C.5.2 Aluminum foil
C.5.2.1 The surface of the aluminum foil shall be clean and smooth, without
overlapping or serious wrinkles, mildew spots, blisters.
C.5.2.2 Aluminum foil is a soft material which has a thickness of 0.05 mm ±
0.002 mm and a purity of not less than 99.5%.
C.5.2.3 The tensile strength of the aluminum foil shall not be less than 3 kg/mm2,
the elongation shall not be less than 3%.
C.6 Test procedure
Place the suture needle, instrument and test material in an environment of 22 °C
± 2 °C for at least 1 h; carry out test under the same temperature conditions.
C.6.1 Strength test
Clamp the suture needle on the needle clamp. Press the control switch. The
suture needle acts vertically on the steel block. Load it to the value specified in
Table 2 of this standard at the speed specified in C.5.1.1. Keep it for 5 s ~ 10 s.
Then remove the load. Observe the suture needle with a 5X magnifying glass.
Figure D.1 -- Triangular edge’s cutting force tester for suture needle
D.3.2 Instrument requirements
D.3.2.1 The full load, minimum indication and speed of the instrument shall
meet the requirements of Table D.1.
Table D.1
D.3.2.2 The indication error of the instrument shall not be greater than 0.98 N.
D.3.2.3 The instrument shall be equipped with leveling and shock-proof devices.
The position where the needle tip clamp holds the suture needle shall be
adjustable and stable when used.
D.3.2.4 The transmission device of the instrument shall be sensitive and reliable.
When the suture thread is cut off, the pointer shall stop automatically.
D.3.2.5 The initial inductance of the instrument shall not be greater than 1.86
N.
D.4 Suture thread requirements
D.4.1 The suture thread is a 4-0 coated twisted medical thread; its performance
requirements shall meet the requirements of YY 0167-2005.
D.4.2 The surface of the suture thread shall be clean, dry and free from knotting
defects.
D.4.3 The suture thread shall not exceed the service life specified in the
standard.
D.5 Test procedure
D.5.1 Place the suture needles, instruments and suture threads in an
environment of 22 °C ± 2 °C for at least 1 h; carry out test under the same
conditions.
D.5.2 Fix the triangular cutting edge of the suture needle (the side of the flat
cutting edge of the suture needle) downwards on the needle clamp. Fold the
suture thread in half and knot the length to 9 cm ~ 10 cm. Then hang it on the
upper fixture, to make the suture thread naturally sags into a U shape. Insert it
into the front segment of the triangular needle cutting edge (1/3 of the full length
......
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