Fabrication method of water-soluble hemostatic gauze

A technology of hemostatic gauze and its production method, which is applied in the fields of medical science, textiles and papermaking, fiber treatment, etc., can solve the problems of waste gauze environmental pollution, aggravate the pain of patients, etc., achieve good water solubility and prevent surgical adhesion

Inactive Publication Date: 2013-02-13
常州市盛辉药业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional gauze will cause problems such as changing dressings, exacerbating patient pain, and environmental pollution of discarded gauze.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] a. Pretreatment: the gauze is made of cotton fiber or wood fiber or bamboo fiber, and the gauze is activated with ethanol solution for 2 to 3 hours;

[0014] b. Microcrystallization treatment: arrange the pretreated yarn in a in 40wt% sodium hydroxide solution for 2 to 3 hours;

[0015] c, cross-linking reaction treatment: the gauze treated by microcrystallization in b was treated with an ethanol solution containing 50wt% chloroacetic acid for 3 to 4 hours;

[0016] d. Washing treatment: Wash the gauze treated by the cross-linking reaction in c with 75% ethanol solution, and add hydrochloric acid solution to neutralize to pH 6.5-7.5 during the washing process;

[0017] e. Post-treatment: Soak the gauze washed in d with isopropanol, and dry at 80-100°C.

Embodiment 2

[0019] a. Pretreatment: the gauze is made of cotton fiber or wood fiber or bamboo fiber, and the gauze is activated with acetone solution for 2 to 3 hours;

[0020] b. Microcrystallization treatment: arrange the pretreated yarn in a in 50wt% sodium hydroxide solution for 2 to 3 hours;

[0021] c, cross-linking reaction treatment: the gauze treated by microcrystallization in b was treated with an ethanol solution containing 60wt% chloroacetic acid for 3 to 4 hours;

[0022] d. Washing treatment: Wash the gauze treated by the cross-linking reaction in c with 75% ethanol solution, and add hydrochloric acid solution to neutralize to pH 6.5-7.5 during the washing process;

[0023] e. Post-treatment: Soak the gauze washed in d with isopropanol, and dry at 80-100°C.

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PUM

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Abstract

The invention relates to a fabrication method of a water-soluble hemostatic gauze, comprising the steps of pre-treatment, micro crystallization treatment, crosslinking reaction treatment, washing treatment and post treatment. The invention has the beneficial effect that the water-soluble hemostatic gauze has good water solubility, salt solubility and hemostatic property, can prevent adhesion in operation, has no stimulation to organism and is safe and reliable.

Description

technical field [0001] The invention relates to a method for making water-soluble gauze. Background technique [0002] Medical gauze is an important commonly used medical dressing, which has the characteristics of large usage and wide application. However, conventional gauze can cause problems such as changing dressings, exacerbating patient pain, and environmental pollution of discarded gauze. Contents of the invention [0003] The technical problem to be solved by the present invention is: based on the above problems, the present invention provides a method for making water-soluble gauze. [0004] A technical scheme that the present invention adopts to solve the technical problem is: a kind of preparation method of water-soluble hemostatic gauze, comprises the following steps: [0005] a. Pretreatment: the gauze is made of cotton fiber, wood fiber or bamboo fiber, and the gauze is activated with ethanol or acetone solution for 2 to 3 hours; [0006] b. Microcrystalliz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M11/38D06M13/21D06M13/144D06M13/127A61L15/62D06M101/06D06M101/04
Inventor 张智杰
Owner 常州市盛辉药业有限公司
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