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Axial-locking type blood-collecting safety cap

A technology of axial locking and safety caps, which is applied in the directions of sensors, diagnosis, packaging items, etc., can solve the problems of simple assembly process and labor saving, and achieve the effect of simple assembly and elimination of biological safety hazards

Inactive Publication Date: 2014-09-17
湖北金杏科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, in the prior art, there is no practical and effective technical solution that can achieve a good bonding force between the safety helmet and the rubber plug, and make the assembly process of the two simple and labor-saving.

Method used

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  • Axial-locking type blood-collecting safety cap

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] The axial locking type blood collection safety helmet is composed of a cap body 1 and anti-slip thorns 2 . Wherein, the cap body 1 is a cylinder made of hard plastic with an open lower end and a round hole at the upper end. Anti-slip thorns 2, a plurality of anti-slip thorns 2 are evenly distributed along the circumference of the side wall of the cap body 1. Each anti-slip thorn 2 is conical, the length L of each anti-slip thorn 2 is 1-2mm, the vertex angle β of the shaft section is 10°-15°, the axis line of each anti-slip thorn 2 and the axis of the cap body 1 The angle α formed by the lines is 15°-30°, and the tip of each anti-skid thorn 2 points to the oblique upward direction.

[0020] When assembling, first insert the lower end of the rubber plug 3 into the test tube 4, and put the cap body 1 on the rubber plug from top to bottom. Contrar...

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Abstract

The invention relates to the technical field of vacuum blood collection, in particular to an axial-locking type blood-collecting safety cap. The safety cap comprises a cap body and a plurality of anti-skid thorns, wherein the plurality of anti-skid thorns which are integrated with the cap body and are made of hard plastics are arranged on the inner side wall of the cap body, and are evenly distributed at the circumference of the side wall of the cap body. Each anti-skid thorn is conical and has the length of 1 o 2 mm; a vertex angle of the axial section of each anti-skid thorn is from 10 DEG to 15 DEG; an included angle formed by between the axis of each anti-skid thorn and the axis of the cap body is from 15 DEG to 30 DEG; and the tip of each anti-skid thorn points to the inclined direction. According to the invention, the excellent combination force is realized between the safety cap and the rubber plug, and the assembling process of the safety and the rubber plug is simple, convenient and labor-saving.

Description

technical field [0001] The invention relates to the technical field of vacuum blood collection, in particular to an axial locking safety helmet for blood collection. Background technique [0002] Existing vacuum blood collection tubes usually consist of three parts: a test tube, a butyl rubber stopper plugged in the test tube mouth and a safety cap sleeved on the butyl rubber stopper. When the doctor takes the blood sample in the blood collection tube, he needs to pull out the rubber stopper from the tube mouth first. When the rubber stopper is pulled out of the test tube, the atmospheric pressure makes the outside air rush into the test tube quickly, which will cause the blood sample in the tube to leak out of the tube mouth. Splash outwards, and the safety helmet plays a role in blocking the splash of blood samples and protecting the safety of the laboratory technicians. [0003] However, in the prior art in this field, the binding force between the safety cap and the rub...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/154A61J1/14
Inventor 梁德富
Owner 湖北金杏科技发展有限公司
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