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Portable equipment for continuous renal replacement therapy and blood purification method

A treatment machine, continuous technology, applied in the direction of dialysis system, etc., can solve the problem of CRRT machine can not be used, achieve the effect of light weight, portability, and ensure the accuracy of measurement

Inactive Publication Date: 2009-01-21
BEIJING MEDER MEDICAL SCI & TECH
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Problems solved by technology

[0013] The purpose of the present invention is to provide a portable continuous blood purification machine, which can be used in special environments such as bumps, swings and vibrations at sea, and solves the technical problem that existing CRRT machines cannot be used in the above-mentioned special environments

Method used

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  • Portable equipment for continuous renal replacement therapy and blood purification method
  • Portable equipment for continuous renal replacement therapy and blood purification method
  • Portable equipment for continuous renal replacement therapy and blood purification method

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Embodiment Construction

[0045] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, specific embodiments will be described in detail below with reference to the accompanying drawings.

[0046] An embodiment of the present invention provides a portable CRRT machine that can be used under unstable special environmental conditions such as shaking and bumping. The CRRT machine is equipped with a continuous blood purification system, and the continuous blood purification system includes a blood circuit, a replacement fluid circuit and an ultrafiltrate circuit, and also includes:

[0047] a first displacement pump, arranged in the replacement fluid passage, capable of outputting a fixed volume of fluid per rotation;

[0048] The second displacement pump is arranged in the ultrafiltrate passage, and can output a fixed volume of liquid per revolution;

[0049] The controller calculates the input flow rate of the replacement fluid channel and ...

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Abstract

The invention provides a portable and continuous kidney replacing therapy apparatus and a method for purifying blood. The therapy apparatus comprises a blood channel, a displacement liquid channel and an ultrafiltrate channel. The apparatus also comprises a first displacement pump, a second displacement pump and a controller, wherein, the first displacement pump is arranged in the displacement liquid channel, and liquid of fixed volume can be output per revolution; the second displacement pump is arranged in the ultrafiltrate channel, and liquid of fixed volume can be output per revolution; the controller calculates the input flow of the displacement liquid channel and the output flow of the ultrafiltrate channel in a volume metering method, controls the rotational speed of the first displacement pump and the second displacement pump and maintains the balance of the input flow and the output flow. The therapy apparatus of the invention can be used in the environments of turbulence, rocking and vibration, and the like, such as on the sea, and can be suitable for corrosion of salt-fog on the sea and a plurality of external power supplies.

Description

technical field [0001] The invention relates to a blood purification machine in medical equipment, in particular to a portable continuous kidney replacement therapy machine and a blood purification method. Background technique [0002] In the field of renal medicine, hemodialysis machines have been widely used to treat acute and chronic renal failure, and their design has been relatively perfect. However, conventional hemodialysis machines generally have the following disadvantages: [0003] 1) Rely on water sources. A conventional hemodialysis machine must be equipped with a reverse osmosis water treatment system, which continuously sends reverse osmosis water to the hemodialysis machine through a high-pressure water pipe. Therefore, a large amount of water is required and there must be sufficient water source. [0004] 2) It cannot be moved temporarily, and bedside treatment cannot be performed. Conventional hemodialysis machines rely on reverse osmosis water treatment s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/14
Inventor 周春华李洪艳余永武何萍董珍赵君李平唐文宏
Owner BEIJING MEDER MEDICAL SCI & TECH
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