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A kind of antibacterial test device and test method

A test device and test method technology, applied in biochemical cleaning devices, biochemical equipment and methods, enzymology/microbiology devices, etc., to achieve scientific and comprehensive evaluation results

Active Publication Date: 2017-10-20
山东省医疗器械产品质量检验中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] To evaluate the antibacterial performance of contact wound dressings, the above three conditions should be fully considered, and the antibacterial performance of the dressing should be fully evaluated. At present, there is no suitable test device and test method to comprehensively evaluate the antibacterial performance of wound dressings

Method used

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  • A kind of antibacterial test device and test method
  • A kind of antibacterial test device and test method
  • A kind of antibacterial test device and test method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Such as figure 1 shown. A kind of bacteriostasis test device, comprises the challenge chamber 21 that is used to hold challenge inoculum and the sampling chamber 22 that is used for wiping sampling, challenge chamber 21 and sampling chamber 22 are combined to form test device main body 2, challenge chamber 21 and A test sample 5 is arranged between the sampling chambers 22 , and the challenge chamber 21 and the sampling chamber 22 clamp the test sample 5 .

[0051] The test device main body 2 is installed on a support 7; the challenge chamber 21 and the sampling chamber 22 are groove-shaped, and the opening sides of the challenge chamber 21 and the sampling chamber 22 are provided with a circle of raised edges along the edge of the opening, and the challenge chamber The protruding edge of 21 and the protruding edge of the sampling chamber 22 are butted against each other and clamped by the fixing bolt 4 on the bracket 7; the challenge chamber 21 is also provided with a...

Embodiment 2

[0065] Such as figure 2 shown. The difference between the test device of this embodiment and the test device of Embodiment 1 is that an elbow 8 is plugged into the mouth of the sampling chamber, the plug 1 matches the end of the elbow 8, and the elbow 8 also Made of clear glass.

[0066] The test device of this embodiment is used for the semi-wet state (dry outside and wet inside) antibacterial test.

[0067] The test method of the test device of the present embodiment [semi-wet state (dry on the outside and wet on the inside) antibacterial test] comprises the following steps:

[0068] Step (1): sample clamping: take three test samples 5 respectively, make the inner surfaces of the test samples 5 face the sampling chamber 22 , and clamp the test samples 5 between the challenge chamber 21 and the sampling chamber 22 . The clamping method should be confirmed to ensure that no leakage of challenge microorganisms occurs. The edge of the test sample 5 is clamped between the cha...

Embodiment 3

[0077] Such as image 3 shown. The difference between the test device of this embodiment and the test device of Embodiment 1 is that an elbow 8 is plugged into the mouth of the challenge chamber, the plug 1 is matched with the end of the elbow 8, and the elbow 8 is also Made of clear glass.

[0078] The test device of this embodiment is used to conduct a semi-wet state (wet on the outside and dry on the inside) bacteria resistance test.

[0079] The test method of the test device of the present embodiment [semi-wet state (wet outside and dry inside) antibacterial test] comprises the following steps:

[0080] Step (1): sample clamping: take three test samples 5 respectively, make the inner surfaces of the test samples 5 face the sampling chamber 22 , and clamp the test samples 5 between the challenge chamber 21 and the sampling chamber 22 . The clamping method should be confirmed to ensure that no leakage of challenge microorganisms occurs. The edge of the test sample 5 is c...

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Abstract

A bacteriostasis test device and test method, the test device includes a challenge chamber for holding a challenge inoculum and a sampling chamber for wiping and sampling, the challenge chamber and the sampling chamber are combined to form the main body of the test device, and the test The main body of the device is mounted on a bracket. The test method includes the steps of sample clamping, adding challenge microorganisms, sample challenge, penetrating microorganism inspection, challenging microorganism viability inspection, result judgment and the like. The test device and test method of the present invention can evaluate the antibacterial performance of the wound dressing claimed to have antibacterial performance, and cover different states of the dressing, and the evaluation results are scientific and comprehensive.

Description

technical field [0001] The invention relates to the technical field of research on antibacterial properties of wound dressings, in particular to a test device and method for antibacterial properties, which are suitable for evaluating the antibacterial properties of wound dressings claiming to have antibacterial properties. Background technique [0002] Clinically, infection is an important complication of trauma. As a mechanical barrier for wounds, contact wound dressings are particularly important for controlling wound infection with their antibacterial properties. However, this does not mean that all contact wound dressings are required to be antibacterial, and some wound types with very low risk of infection may not necessarily use antibacterial contact wound dressings. In addition, for some contact wound dressings that need to be used in conjunction with secondary dressings, their antibacterial properties are jointly provided by both parties, and the information obtained...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/00C12Q1/02
CPCC12Q1/02
Inventor 王文庆吴平郝建新郝树彬张萌萌
Owner 山东省医疗器械产品质量检验中心