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JY/T 0554-2015: (Anatomical model of the stomach)
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(Anatomical model of the stomach)
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JY/T 0554-2015
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Standard similar to JY/T 0554-2015 JY/T 0616 Basic data | Standard ID | JY/T 0554-2015 (JY/T0554-2015) | | Description (Translated English) | (Anatomical model of the stomach) | | Sector / Industry | Education Industry Standard (Recommended) | | Word Count Estimation | 6,634 | | Date of Issue | 2016-10-24 | | Date of Implementation | 2017-01-01 | | Regulation (derived from) | Education - (2016) No.5 | | Issuing agency(ies) | Ministry of Education of the People's Republic of China | JY/T 0554-2015: (Anatomical model of the stomach)---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.
(Anatomical model of the stomach)
ICS 03.180
Y 51
Record number xxxxx-xxxx
Education Industry Standard of the People's Republic of China
Stomach anatomical model
Stomach dissection model
Published on October 10,.2016
2017–01–01 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.
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 Education Equipment Standardization Technical Committee (SAC/TC 125).
This standard is under the jurisdiction of the National Technical Committee for Educational Equipment Standardization (SAC/TC 125).
The main drafting organization of this standard. Ningbo Qinghua Science & Education Instrument Co., Ltd.
The main drafter of this standard. Hu Fu.
Stomach anatomical model
1 Scope
This standard specifies the model designation, requirements, test methods, inspection rules and marks, packaging, transportation, storage, etc. of gastric anatomical models.
Content.
This standard applies to the anatomical model of stomach used in middle school biology teaching.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
JY/T 0001-2003 General quality requirements for teaching instruments and equipment products
JY/T 0002 Inspection rules for teaching instruments and equipment products
JY/T 0026-1991 teaching instrument and teaching equipment product model naming method
JY/T 0213-1994 Teaching mechanics, thermal instrument transportation, storage environmental conditions and test methods
3 Model designation
3.1 Naming rules
The model name of the product is according to JY/T 0026-1991.
3.2 Nomenclature
The stomach anatomical model is named.
Model example. SM-WJP-CR-300 stands for biological model, stomach anatomical model, adult, and the length is 300mm.
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 semi-filled adult stomach model with an external length of 300 mm ± 6 mm.
Product model classification code, biological model
4.2.1.2 The shape of the stomach is sac-like, with the inlet connected to the end of the esophagus and the outlet connected to the upper duodenum. The cardia, fundus, and stomach should be displayed correctly
The body and the pylorus, as well as the cardia notch, corner notch, gastric curvature, gastric curvature, pyloric duct and pyloric sinus.
4.2.1.3 Make a coronal section of the stomach, peel the adventitia from the anterior wall of the stomach, and show the muscular layer of the stomach wall. The posterior wall of the stomach is a natural form, showing distribution in the stomach
Bends, small blood vessels and fat in the stomach.
4.2.1.4 Open the stomach, showing the section of the stomach wall and the structure of the gastric cavity.
4.2.1.5 The morphological structure and color of each part shall be correct and natural.
4.2.2 Section display
4.2.2.1 Highlight the structure of the stomach wall and cavity. The thickness of the stomach wall is 12 mm to 18 mm. The mucosal layer, submucosal layer,
Muscle and adventitia four-layer structure.
4.2.2.2 Mucosal layer. The surface of the mucosa shows small stomach depressions (shown as irregular pits), and small bends show 4-5 longitudinal wrinkles. In the esophagus and stomach
Dentate lines appear on the mucosa at the junction. The mucosa at the pylorus shows a pyloric valve (an annular fold formed by the mucosa).
4.2.2.3 Muscle layer. showing three layers of smooth muscles, esotropia, middle circle, and outer longitudinal. Among them. the medial oblique muscle layer is about 1/5 of the gastric wall, and the medial muscle layer is about 2/5.
The outer longitudinal muscle layer is about 2/5. The pyloric sphincter formed by thickening of the circular muscles is shown at the pylorus.
a) The anterior gastric muscle layer is 50 mm × 50 mm, 60 mm × 60 mm, the tolerance of the side length is ± 2 mm, and the depth is 2 mm ± 1 mm.
Section, showing the distribution characteristics and trend of the trilayer muscle;
b) Excision of the epicardium and partial longitudinal muscles of the cardia, showing the circular muscles of the cardia.
4.2.2.4 Adventitia. shows the serous membrane of the posterior wall of the stomach and part of the blood vessels of the stomach (ie, the anastomosis of the right gastric artery and the left gastric artery distributed in the small curvature of the stomach
The branches along the way and the anastomosis of the right gastric omentum artery and the left gastric artery in the great curvature of the stomach and its branches along the way), and the great curvature of the stomach and the minor curvature of the stomach
Adipose tissue around blood vessels.
4.2.2.5 The cross-sectional structure connecting the esophagus end of the stomach and the upper part of the duodenum should be displayed correctly.
4.2.2.6 Color of the stomach. the outer membrane is yellowish pink, the fatty tissues in the large and small curvatures of the stomach are yellow, the arteries are red, and the muscular layer is deep
Red, orange layer.
4.2.2.7 The following parts of this model should be marked with corresponding numbers. cardia (1), gastric fundus (2), gastric body (3), pylorus (4), and large curvature of the stomach
(5) Stomach curvature (6), mucosal layer (7), muscular layer (8), serosa layer (9), pyloric sphincter (10). Name tag affixed to the base.
4.2.2.8 The base shall be made of PVC material with a thickness of not less than 1 mm.
4.3 Materials and appearance
4.3.1 The model uses non-toxic and environmentally friendly PVC material.
4.3.2 Combination bolts should be installed on the coronal section of the anterior and posterior gastric wall to facilitate disassembly.
4.3.3 The cut surface should be flat, not deformed, tightly connected and accurately combined.
4.4 Environmental test
The product shall be tested for temperature, humidity and free fall without packaging in accordance with 3.1 of JY/T 0213-1994.
5 Test method
5.1 Specifications
Use a steel ruler with a graduation of 1 mm.
5.2 Anatomy, appearance, base
Sensory test.
5.3 Environmental test
Environmental tests are in accordance with 4.1, 4.2, and 4.6 of JY/T 0213-1994.
6 Inspection rules
6.1 Inspection classification
The inspection of this product is divided into factory inspection, type inspection and quality supervision spot 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 for factory inspection and type inspection
Item No. Inspection Item Standard Provisions Factory Inspection Type Inspection
1 General requirements 4.2.1 ● ●
2 Shape of stomach 4.2.1.2 ● ●
3 Section structure 4.2.2 ● ●
4 Color display of each structure of the model 4.2.2.6 ● ●
5 Materials 4.3.1 ● ●
6 Appearance 4.3.2, 4.3.3 ● ●
7 Environmental test 4.4-●
Note. "●" in the table is the full inspection item, "○" is the bidding item, and "-" is not the inspection item
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 samples for type inspection shall be taken from the products that passed the factory inspection.
6.3.4 The sampling methods for factory inspection and type inspection shall be in accordance with JY/T 0002 (GB 2828).
6.4 Non-conformance determination
6.4.1 The determination of sampling inspection shall be in accordance with JY/T 0002.
6.4.2 The failure criterion of a single sample is in accordance with JY/T 0002.
6.4.3 The factory inspection shall be determined according to the unqualified criterion of a single sample.
6.4.4 4.2 (except for slight defects in the color and spray transition or slight inaccuracy in the transition) and 4.3.1, 4.3.2
Performance.
6.5 Review rules
6.5.1 Unqualified batches and 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 Spot Inspection
Quality supervision and random inspection shall be in accordance with JY/T 0002.
7 Marking, packaging, transportation, storage
The rest are in accordance with JY/T 0001-2003 Chapters 11 and 12.
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