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Basic data Standard ID | JY/T 0164-2011 (JY/T0164-2011) | Description (Translated English) | (Eyeball Anatomy Model) | Sector / Industry | Education Industry Standard (Recommended) | Classification of Chinese Standard | Y51 | Word Count Estimation | 7,797 | Date of Issue | 2013-07-11 | Date of Implementation | 2013-07-11 | Older Standard (superseded by this standard) | JY 164-1984 | Issuing agency(ies) | Ministry of Education of the People's Republic of China |
JY/T 0164-2011: (Eyeball Anatomy Model)---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Eyeball Anatomy Model)
ICS 03.180
Y51
Record number 46917-2014
Education Industry Standard of the People's Republic of China
Replacing JY 164-1984
Eyeball Anatomy Model
Eyeball dissection model
2013-07-11 released
2013 -07-11 Implementation
Published by the Ministry of Education of the People's Republic of China
JY
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009 "Guidelines for Standardization Work_Part 1. Structure and Preparation of Standards"
This standard replaces JY 164-1984 "Technical Specifications for Eyeball Anatomical Enlargement Model". In addition to editorial changes, the main technical changes are as follows.
-Appearance size has increased allowable tolerances;
-Added the requirement that the main parts of the model should be affixed with name or number tags;
-Specifies the materials that should and should not be used for the model;
-Specify the limit of heavy metal content in the paint of the model.
Please note that some elements of this standard may involve patents. The issuer of this standard is not responsible for identifying these patents.
This standard was proposed by the National Technical Committee for Standardization of Teaching Instruments (SAC/TC125).
This standard is under the jurisdiction of the National Technical Committee for Standardization of Teaching Instruments (SAC/TC125).
The main drafters of this standard are. Zhejiang Educational Technology Center, Ministry of Education Teaching Instrument Research Institute, Wenzhou Wuxing Industrial Co., Ltd.
The main drafters of this standard. Jiang Hui, Song Meilun, Huang Ruiqing.
This standard replaces JY 164-1984.
The standard JY 164 was first released in 1984.
Eyeball Anatomy Model
1 Scope
This standard specifies the nomenclature, requirements, test methods, inspection rules and signs, packaging, transportation, and storage of eyeball anatomical models.
This standard applies to the human eye anatomy model for teaching anatomy.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB 21746-2008 General requirements for safety requirements of teaching instruments and equipment
JY 0001-2003 General quality requirements for teaching instruments and equipment products
JY 0002 Inspection rules for teaching instruments and equipment products
JY 0026-1991 teaching instrument and teaching equipment product model naming method
JY 0213-1994 Teaching mechanical, thermal instrument transportation, storage environmental conditions and test methods
3 Naming
3.1 Naming rules
The model name of the product is JY 0026-1991.
3.2 Nomenclature
The eyeball anatomical model is named.
SM ― YQJP ― CR ― 145
Product front and rear diameter, 145mm
Product Feature Code, Adult
Product name Pinyin prefix, "eyeball anatomy"
Product model classification code, biological model
Model example.
SM-YQJP-CR-145 represents a biological model, an anatomical model of an eyeball, an adult, and anterior and posterior diameter of 145mm.
4 Requirements
4.1 Use environmental conditions
Temperature. -10 ℃ ~ 40 ℃, relative humidity. not more than 90%.
4.2 Anatomy
4.2.1 General requirements
4.2.1.1 The product is an enlarged model of an adult eyeball. The front and rear outer diameters are 145 mm ± 3 mm.
4.2.1.2 The eyeball is slightly spherical, with the cornea at the front and the sclera at the back, and the iris and pupil through the cornea.
4.2.1.3 Six extraocular muscle stumps, optic nerves, vortex veins, long posterior ciliary artery (iris artery) and short posterior ciliary artery (pulse)
Choroidal artery).
4.2.1.4 Make the median horizontal section of the eyeball wall through the front and back poles of the eyeball, showing the three layers of the eyeball wall, the outer membrane, the middle membrane and the inner membrane. Eyeball
The three layers of the upper half of the wall are trapezoidal sections from the outside to the inside, and show the structure of each layer.
4.2.1.5 The cornea and iris should be completely displayed, and both the lens and vitreous body in the eyeball can be removed separately.
4.2.1.6 The morphological structure, position, proportion, and color of the muscles, membrane walls, blood vessels, and nerves of each part shall be correct and natural.
4.2.2 Specific requirements
4.2.2.1 Sectional structure of the eyeball wall
4.2.2.1.1 The outer membrane shows the following structure.
a) The cornea. it accounts for the first 1/6 of the adventitia. Its external dimensions are shown in Figure 1. It should be colorless and transparent. The height H of the enlarged cornea is. 15 mm
± 1mm, outer diameter Φ. 70mm ± 1mm, thickness t. 2.5mm ± 1mm;
figure 1
b) Sclera. Occupying the last 5/6 of the adventitia, the sclera and sinus should be displayed at the junction of the sclera and the cornea. Sclera thickness
The menstruation is. 6mm ± 1mm, and the thickness after the eye muscle attachment and the tendon fusion is. 5mm ± 1mm.
4.2.2.1.2 The membrane shall show the following structure.
a) Iris. It is located at the front of the middle membrane, behind the cornea, and is disc-shaped. The diameter of the circular pupil in the center is 24mm ± 1mm. Anterior chamber
The deepest point (that is, the center of the inner edge of the cornea to the middle of the pupil) is. 20mm ± 5mm;
b) Ciliary body. In front of the choroid, the structural features of the ciliary ring, ciliary process, and ciliary zonula inside the ciliary body should be correctly displayed
And the relationship between them, in which 70 to 80 ciliary processes, arranged in a radial pattern. The ciliary muscle fibers should be oriented correctly,
Its connection with the sclera should be accurate;
c) Choroid. Located between the sclera and retina, it should show structural features rich in blood vessels and pigments.
4.2.2.1.3 Endometrium. showing the optic disc and macula of the retina and its back, as well as retinal blood vessels.
The retina is the innermost layer of the eyeball wall, which is closely attached to the inner surface of the choroid. The optic disc is located at the back of the eyeball (fundus), with a diameter of O10mm ±
1mm; the macula is located slightly below the temporal side of the optic disc, and is similar in size to the optic disc. Optic disc
The distance between the center point and the macular fovea is 21 mm ± 3 mm. Retinal blood vessels should show that the central retinal artery has penetrated the optic disc.
Main branches, including the superior and inferior arterioles of the nasal side of the retina and their accompanying small veins of the same name
Vein of the same name. The distribution and orientation of blood vessels, as well as the mismatch between the central arteries in the intraretinal branches and the absence of blood vessels in the macula should be shown correctly
Structural features.
4.2.2.2 Lenses and vitreous
4.2.2.2.1 Lens. biconvex lens shape, colorless and transparent, the external dimensions are shown in Figure 2. There is a ciliary band between the lens and the ciliary process.
even. The height H1 of the first half of the enlarged lens is. 15mm ± 1mm, the outer diameter Φ is. 51mm ± 1mm; the height of the second half
H2 is. 7.5mm ± 1mm. Lens edges are round and blunt.
figure 2
4.2.2.2.2 Vitreous body. colorless and transparent, it should be filled between the lens and the retina.
4.2.2.3 The cross-section of the optic nerve should clearly show the three-layer structure of the capsule.
4.2.2.4 The following parts of the model shall be affixed with name or number tags. cornea, sclera, iris, choroid, retina, optic disc, macular, crystal
Corpus callosum, vitreous body, ciliary ring, ciliary process, optic nerve, vortex vein.
4.3 Materials and processes
4.3.1 The model should be made of rigid thermoplastics, and glass fiber reinforced plastics (FRP) or fragile and deformable materials should not be used.
material.
4.3.2 The content of heavy metals in the coating of the model shall conform to GB 5.2.5.4 of GB 21746-2008.
4.3.3 The cornea, iris, lens and vitreous should be inlaid and stable, and easy to disassemble.
4.3.4 The cornea, lens and vitreous are transparent, and there should be no fog spots and stones.
4.3.5 The cut surface should be flat, and the structures on both sides of the cut surface should be corresponding and accurate, and there should be no obvious misalignment and gaps in the seam after assembly.
4.3.6 The color of the structure of each part should be correct and clear, the spraying transition should be natural, and there should be no spillage. Colors and sprays allowed
The transition is slightly defective or slightly inaccurate.
4.3.7 The product shall also comply with JY 0001-2003 sections 5.2, 6.9, 6.12, 6.27, 7.4.3, 7.7 and 9.1 to 9.6.
4.4 Environmental test
4.4.1 The product shall be tested for temperature, humidity, and free drop in accordance with JY 0213-1994 Section 3.1, and shall be subjected to a drop test in an unpackaged state.
4.4.2 The drop height of the drop test in the non-packed state shall be 1 m, and the drop surface shall be the largest surface of the model outline.
If there is a stand, it should not be included.
5 Test method
5.1 Relevant dimensions
Measured with a steel ruler with a division value of 1mm
5.2 Anatomy, appearance and workmanship
Sensory test
5.3 Environmental test
5.3.1 Temperature, humidity and free fall test According to JY 0213-1994 Section 4.1, 4.2, 4.6.
5.3.2 Drop test in unpacked state. Lay a wooden board with a thickness of 20mm ± 3mm on the cement floor. The board should be rigid with the cement floor
contact. During the test, the model's falling surface is downward, and it will fall freely from a height of 1m. Once tested, it shall meet 4.4.2.
6 Inspection rules
6.1 Inspection classification
The inspection of this product is divided into factory inspection, type recommendation and quality supervision inspection.
6.2 Inspection items
The inspection items and methods of factory inspection and type inspection are shown in Table 1.
Table 1 Inspection items and methods of factory inspection and type inspection
Item No. Inspection Item Standard Provisions Factory Inspection Type Inspection
1 General requirements 4.2.1 ● ●
2 Specific requirements 4.2.2 ● ●
3 Materials and processes 4.3 ● ●
4 Environmental test 4.4-●
Note. “●” in the table means all inspection items, and “-” means no inspection items.
6.3 Sampling method
6.3.1 The factory inspection shall be batched according to the natural batch of delivery, and the type inspection shall be batched according to the stock array.
6.3.2 During the factory inspection, all the inspection items shall be inspected first, and the sampling inspection items shall be inspected among the qualified products.
6.3.3 The factory inspection shall be determined according to the unqualified criterion of a single sample.
6.4 Non-conformance determination
6.4.1 The judgment of sampling inspection shall be in accordance with JY 0002.
6.4.2 The failure criterion of a single sample shall be in accordance with JY 0002.
6.4.3 When inspecting all inspection items, it shall be judged according to the unqualified criterion of a single sample.
6.4.4 Correct anatomical structure and position are the main performance indicators.
6.5 Review rules
6.5.1 Unqualified products can be submitted for inspection again after rework.
6.5.2 If the cause of the batch failure is a sampling inspection item, the item shall be changed to a full inspection during the re-inspection.
6.6 Quality supervision inspection
Quality supervision and random inspection shall be in accordance with JY 0002.
7 Marking, packaging, transportation, storage
Press chapters 11 and 12 of JY 0001-2003.
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