Instruction for cotton ball

【Product name】cotton ball

【Model and specification】Extra Large, Large, Medium, Small, Extra Small

【Composition】This product is made of medical absorbent cotton.

【Main performance】1.The appearance of the cotton ball shall be clean, free of stains, impurities and even formation.

Identification: When testing according to 3.3.2 of the technical requirements, it shall meet the requirements of identification A, B and C.

1.1 3 The medical absorbent cotton used for cotton balls shall be qualified products with medical device qualification certificates, and its performance is as follows:

1.2 Character: According to visual observation, the appearance of medical absorbent cotton should be white or off white, consisting of fibers with an average length of no less than 10 mm, without leaves, pericarp, seed coat residues or other impurities. There is a certain resistance when stretching, and no dust shall fall off when gently shaking。

3.2Identification: When testing according to 3.3.2 of technical requirements, it shall meet the requirements of identification A, B and C.

3.3 3.3 Foreign fiber: only typical cotton fiber shall be included in the test according to 3.3.3 of technical requirements, and isolated foreign fiber is allowed occasionally.3.3 Nep: when testing according to 3.3.4 of the technical requirements, the number of neps in the sample shall not be more than that of the standard.

3.4 Soluble substances in water: when testing according to 3.3.5 of the technical requirements, the total amount of soluble substances in water shall not be greater than 0.50%Acidity and alkalinity: the solution shall not show pink when tested according to technical requirements 3.3.6.

3.5 Sinking time: When testing according to 3.3.7 of the technical requirements, the sinking time shall not exceed 10s.3.5 Water absorption: When testing according to 3.3.8 of the technical requirements, the water absorption per gram of medical absorbent cotton shall not be less than 23.0g.

3.6 Soluble substances in ether: when tested according to technical requirements 3.3.8, the total amount of soluble substances in ether shall not be greater than 0.50%.

3.7 3.7 Fluorescent substance: during the test according to 3.3.10 of the technical requirements, only micro brownish purple fluorescence and a small amount of yellow particles shall be used, and except for a small amount of isolated fibers, strong blue fluorescence shall not be displayed.

3.8 

3.9 3.8 Loss on drying: the loss on drying shall not be greater than 8.0% when tested according to 3.3.11 of the technical requirements.

3.10 

3.11 3.9 Sulfated ash: when tested according to 3.3.12 of the technical requirements, the sulfate ash shall not be greater than 0.40%.

3.12 

3.13 3.10 surface active substance: when testing according to technical requirements 3.3.13, the active substance foam of the test solution shall not cover the whole liquid surface.可3.13 Colored substances extracted: When testing according to the technical requirements 3.3.14, the color of the extracted solution obtained shall not be darker than the reference solution Y5 and GY6 specified in Appendix A or the reference solution prepared according to the following methods: add 7.0mL hydrochloric acid solution (with a mass concentration of 10g/L) to 3.0mL primary blue solution, and dilute 0.5mL of the above solution to 10.0mL with hydrochloric acid solution (with a mass concentration of 10g/L).

 【Scope of application】It is used for cleaning skin and wound surface.

【contraindication】Not found temporarily

【Usage method】Open the small package and use it according to routine medical procedures

【Precautions and warning instructions】1. Check the integrity of the package. If the package is damaged, do not use it.

2. This product is only for one-time use and will be destroyed after use.

3. This product is non sterile, and its validity period is 3 years.

4. For model/specification, production batch number, production date and expiration date, see the product packaging bag or the certificate in the bag.

【Description of package identification】

Read the instruction manual before use     Single-use           

【Storage conditions】Packaged finished products shall be stored in a dry, well ventilated, clean and sanitary warehouse with relative humidity less than 80% and free of harmful gases.

【Production date and expiration date】See the product packaging bag or the certificate in the bag.

【Name of filer, name of manufacturer, after-sales service unit】Henan Cheng'an Medical Technology Co., Ltd                      

【Domicile of the registrant, production address and production enterprise】No. 6, Huigui chuangye Park, Dingluan Town, Changyuan County, Xinxiang City, Henan Province

【Enterprise contact telephone/fax】0373-8912888    8913999                  

【Post code】453400                                       【E-mail】chenganyiliao@126.com

【Preparation date】2020年2月28日