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Filtering device for blood perfusion apparatus

A filtering device and blood perfusion technology, applied in the field of blood purification medical equipment, can solve problems such as hidden safety hazards and blood pollution, and achieve the effects of good sealing effect, simple structure and unique design

Inactive Publication Date: 2016-04-13
CHANGZHOU HUAYUE MINIMAL INVASIVE MEDICAL EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the filter screen is press-fitted in the perfusion device with a top cap, and there is always a gap between the edge of the ring frame of the filter screen and the inner wall of the perfusion device. During the blood purification process, the perfusion device often has adsorbents and fine powder edges The gap between the edge of the ring frame and the inner wall of the perfusion device enters the circulating blood circuit, causing the blood to be polluted, which poses a very high safety hazard

Method used

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  • Filtering device for blood perfusion apparatus
  • Filtering device for blood perfusion apparatus

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Embodiment Construction

[0011] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0012] Such as figure 1 As shown, a perfusion filter screen of the present invention is composed of a ring frame 1 and a filter screen 2 , and a round platform 3 is arranged on the top of the outer edge of the ring frame 1 . The lower end surface of the ring frame 1 is provided with an annular groove 4 , and the edge of the filter screen 2 is embedded in the annular groove 4 .

[0013] Such as figure 2 As shown, the top cap 6 is assembled with the middle layer filter cartridge 5, and the upper and lower positions of the filter screen are fixed, the filter screen is fixed on the inner wall of the middle layer filter cartridge 5, the ring frame 1 of the filter screen and the round platform 3 arranged on the top of the outer edge are connected with the middle layer filter Two right-angle turns are formed at the contact point of the inner wall of the cylinder ...

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Abstract

The invention discloses a filtering device for a blood perfusion apparatus. The filtering device comprises a circular frame (1) and a filter mesh (2). The filtering device is characterized in that the top end of the outer edge of the circular frame (1) is provided with a circular terrace (3). The filtering device is simple in structure and unique in design, the circular terrace at the top end of the outer edge of the circular frame provides better sealing effect so that it is rare that an adsorbent in a perfusion device leaks via a gap between the circular frame and the inner wall of the perfusion device and enters circulating blood, causing blood contamination.

Description

technical field [0001] The invention relates to a blood purification medical device, in particular to a filter screen of a hemoperfusion device. Background technique [0002] In recent years, blood purification therapy has been popularized and developed rapidly in our country. Among them, hemoperfusion is one of the important ways of blood purification. At present, hemoperfusion technology is widely used clinically, not only has a good curative effect on severe poisoning and drug poisoning, but also can be used in the treatment of many chronic intractable and difficult diseases. Therefore, the demand for disposable hemoperfusion devices is increasing year by year. [0003] During the blood purification process, the hemoperfusion device is connected in series in the circulating blood circuit leading to the outside of the body. When the blood flows through the tank, the adsorbent absorbs the toxic substances in the blood, and the purified blood enters the internal circulatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/38
CPCA61M1/3621A61M1/3687A61M1/38
Inventor 王娜
Owner CHANGZHOU HUAYUE MINIMAL INVASIVE MEDICAL EQUIP CO LTD
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