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YY 0766-2009

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YY 0766-2009 英文版 580 购买 现货,9秒内自动发货PDF,有增值税发票。 眼科晶状体超声摘除和玻璃体切除设备 有效

   
标准详细信息 YY 0766-2009; YY0766-2009
中文名称: 眼科晶状体超声摘除和玻璃体切除设备
英文名称: Lens ultrasonic removal and vitrectomy devices for ophthalmic surgery
行业: 医药行业标准
中标分类: C41
国际标准分类: 11.040.70
字数估计: 11,000
发布日期: 2009-12-30
实施日期: 2011-06-01
引用标准: GB 9706.1; GB 9706.15; YY/T 0644-2008; ISO 15752-2000
起草单位: 国家食品药品监督管理局湖北医疗器械质量监督检验中心
归口单位: 全国医用电器标准化技术委员会医用超声设备标准化分技术委员会
范围: 本标准规定了眼科晶状体超声摘除和玻璃体切除设备的术语与定义、产品分类、要求及试验方法。本标准适用于应用超声波能量来进行眼科晶状体摘除手术的设备(以下简称设备), 此类设备一般同时具备玻璃体切除功能。


YY0766-2009
YY
PHARMACEUTICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 11.040.70
C 41
Lens Ultrasonic Removal and
Vitrectomy Device for Ophthalmic Surgery
眼科晶状体超声摘除和玻璃体切除设备
ISSUED ON. DECEMBER 30, 2009
IMPLEMENTED ON. JUNE 1, 2011
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 Product Classification ... 6 
5 Requirements ... 7 
6 Test Methods ... 10 
Foreword
This Standard’s entire technical contents are mandatory.
This Standard was proposed by State Food and Drug Administration.
This Standard shall be under the jurisdiction of Subcommittee for Medical Ultrasonic
Device Standardization of National Technical Committee for Standardization of
Medical Apparatus (SAC/TC10/SC2).
Drafting organizations of this Standard. Hubei Center of Medical Device Quality,
Supervision and Testing of State Food and Drug Administration, Alcon (China)
Ophthalmic Product Co., Ltd., and Tianjin Maida Medical Science And Technology Co.,
Ltd..
Chief drafting staffs of this Standard. Mang Anshi, Lu Lu, Wang Zhijian, Wang Yanqun,
Zhang Yusheng, and Jiang Shilin.
Lens Ultrasonic Removal and
Vitrectomy Device for Ophthalmic Surgery
1 Scope
This Standard specifies the terms and definitions, product classification, requirements
and test methods of lens ultrasonic removal and vitrectomy device for ophthalmic
surgery.
This Standard is applicable to the lens ultrasonic removal device for ophthalmic
surgery (hereinafter refers to device), which also possesses the vitrectomy function.
NOTE. Phacofragmentation of lens indicates, in the earliest period, the surgery to use
ultrasonic energy to crush (or emulsify) cataract lens, and extract lens tissues through small
incision; currently, ultrasound is still the most important means for the lens removal and
vitrectomy device for ophthalmic surgery; recently, there are the device using other energy and
extracting cataract lens through small incision (such as laser and liquefaction); for which this
Standard can be referred to.
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 corrigendum) 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 9706.1 Medical Electrical Equipment - Part 1. General Requirements for
Safety (IEC 60601-1.1988, IDT)
GB 9706.15 Medical Electrical Equipment - Part 1-1. General Requirements for
Safety - Collateral Standard. Safety Requirements for Medical Electrical Systems
(IEC 60601-1-1.2000, IDT)
YY/T 0644-2008 Ultrasonic-Surgical Systems - Measurement and Declaration of
the Basic Output Characteristics (IEC 61847.1998, IDT)
ISO 15752.2000 Ophthalmic Instruments - Endoilluminators - Fundamental
Requirements and Test Methods for Optical Radiation Safety
In the surgery, the height of the patient eye against the device.
3.9 Phacofragmentation
The surgical method to use ultrasonic energy to crush the lens into small pieces.
3.10 Prime (Priming)
The preparation procedure prior to the test, fill the tubing device (liquid channel) with
ophthalmic irrigation solution.
3.11 Solution support pole
The hanger suspending the gravity irrigation container and the height of which can be
NOTE. The electrically controllable height f solution support pole is generally called IV pole.
3.12 Tip
The hollow needle-shaped parts mounted on the handpiece.
NOTE. it is clinically known as needle.
3.13 Tubing set
Catheter assembly for fluid flow during ocular irrigation and aspiration.
NOTE. it is clinically known as tubing package.
3.14 Vitrectomy
The surgical procedures to remove the vitreous body, membrane, blood, lens and
NOTE. Such procedure may also involve illumination, coagulation, liquid/gas exchange, and
injection of viscoelastic agent.
3.15 Vitrectomy device
The medical electrical instruments or systems sued for the vitrectomy.
NOTE. such device can also be sued for other ophthalmic surgeries.
4 Product Classification
The devices are divided into the following ones as per their intended use.
5.4 Vitrectomy
The device with vitrectomy function shall conform to the following requirements.
For all types of tips listed in the instruction manual, the deviation between actual
cutting speed and the set cutting speed shall not exceed ± 20%.
5.4.2 Minimum vitrectomy tip speed
In case the setting is lowest, the speed of vitrectomy tip in water shall be no less than
10 times/min (except for single-cut mode).
5.5 Coagulation
If the device is equipped with coagulation function, it shall conform to the following
requirements.
5.5.1 Frequency of coagulation
not exceed ± 20%; while the frequency range shall be between 0.01 MHz and 15
MHz.
5.5.2 Power of coagulation
The total coagulation power for lens removal and vitrectomy shall not exceed 40 W.
5.6 Illumination
IF the device is equipped with illumination function against the eye during the surgery
period, it shall conform to the following requirements.
5.6.1 Accuracy of illumination output
If illumination output provides the setting function between the maximum value and
between actual illumination output and the device displayed illumination value or the
setting value shall not exceed ± 25%.
5.6.2 Limit of illumination output intensity
When testing at a distance of 5 mm from the optical fiber outlet, the illumination light
intensity shall conform to the following requirements in 4.2 of ISO 15752.2000.
a) Light intensity with wavelength range of 305 nm ~ 400 nm shall not exceed 0.05
mW/cm2; the illumination intensity on such wavelength shall be as small as
eye level; gravity irrigation device shall regulate the height range of irrigation
solution container;
capacity during the surgery period, and monitor the irrigation solution level;
j) If applicable, warning shall be given to the operation that the maximum volume
of the drainage vessel shall not be exceeded, otherwise, it may result in the risk
of the patient.
5.8 Instruction Manual
a) It shall include the description of system function inspection before use on the
current day;
b) If applicable, it shall instruct the loading, priming, changing and re-loading of the
tubing set, and the varying intervals of it; so that maintain its conformable
c) If applicable, it shall give the use instructions for the clamp of the tubing set, and
how to avoid the free flowing of the ophthalmic irrigation solution; as well as the
procedures that shall be conformed to when changing the source of ophthalmic
irrigation solution;
d) It shall include the instructions of fixed connection plug, handpiece cable, and
Luer joint or other joint;
e) It shall include the methods that is recommended to the operator or relevant
organizations about regularly checking all handpiece cables and other cables,
as well as the measures that shall be taken in case of the damages (e.g. wire
f) It shall publish the nominal vibration speed for all types of phacoemulsification
tips, as well as the nominal speed of all types of vitrectomy tips.
NOTE. If the nominal frequency and vibration excursion of the phacoemulsification tip are
published at the same time, which can be regarded as publishing the vibration speed.
6 Test Methods
6.1 Static irrigation pressure
6.1.1 Test method of gravity irrigation device
The following test method shall be taken.
a) The ambient test temperature shall be at 25°C ± 5°C;
and priming the device;
c) Set the readings of the pressure gauge to be zero; connect the pressure gauge
to the end of the irrigation tube, and fix within the ± 2.5 cm height range of
simulation patient’s eye level; then see Figure 2;
d) Conduct the liquid diversion according the requirements of the manufacturer’s
instruction manual;
e) Set the test irrigation pressure to be 0 kPa (0 mmHg) or at the lowest position;
stand for 5s and then record the readings of the pressure gauge;
f) Improve the pressure by 2.7 kPa (20 mmHg); stand for 5s and then record the
g) Repeat the procedure of f), increase pressure of 2.7 kPa (20 mmHg) each time;
stand for 5s at each point, record the reading of pressure gauge till the
maximum pressure is reached;
h) Once the maximum pressure is reached, record the readings o...
   
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