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Continuous type CRRT machine capacity balancing device with two circuit breaking devices

A technology of circuit breaker and balance device, applied in the direction of suction equipment, dialysis system, etc., can solve the problems that CRRT treatment cannot be performed, CRRT machine cannot work, and flowmeter control capacity balance error is difficult to achieve, so as to achieve continuous mobile treatment and guarantee Effect of Sustained Solute Scavenging Capacity

Inactive Publication Date: 2016-07-06
龚德华 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Obviously, there are drawbacks in controlling the balance of incoming and outgoing liquids by dynamically measuring the weight of the liquid with a scale: first, the scale needs to be calibrated frequently, and the accuracy will gradually decrease during use; The collision of the scale will not work, so the existing CRRT machine cannot work in the mobile environment
However, it is difficult for the flowmeter to control the capacity balance error to be less than 1%.
[0010] Existing CRRT machines are not suitable for CRRT treatment in mobile vehicles such as airplanes, cars, trains, and ships, which brings challenges to the urgent need for CRRT treatment, but due to distance and transportation restrictions, CRRT treatment cannot be performed. For example, soldiers injured on the battlefield can only be transported back to the medical base for rescue and treatment, and critically ill patients cannot be rescued and treated in an ambulance

Method used

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  • Continuous type CRRT machine capacity balancing device with two circuit breaking devices
  • Continuous type CRRT machine capacity balancing device with two circuit breaking devices
  • Continuous type CRRT machine capacity balancing device with two circuit breaking devices

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Embodiment 1: as Figure 1-7 As shown, a continuous CRRT machine capacity balance device with two circuit breakers, including a blood circulation system composed of an inlet line 1, a blood pump 2, a hollow fiber dialyzer 3, and a return line 4, and a liquid outlet line 5 , a liquid pump 6, a replacement fluid / dialysate container 7, a hollow fiber dialyzer 3, and a first liquid circulation system composed of a liquid return line 8;

[0046] The blood circulation system and the first liquid circulation system use a common hollow fiber dialyzer 3, and the blood in the blood circulation system and the replacement fluid / dialysis fluid in the first liquid circulation system perform solute exchange through the common hollow fiber dialyzer 3;

[0047] The hollow fiber dialyzer 3 includes a blood inlet 9-1, a blood outlet 9-2, a replacement fluid / dialysis fluid outlet 10, a replacement fluid / dialysis fluid inlet 11, a replacement fluid / dialysis fluid outlet 10, and a replacemen...

Embodiment 2

[0066] Example 2: Such as figure 1 , 2 As shown in , 7, it is a post-dilution filtration mode structure. When it is a filtration mode, the replacement fluid / dialysis fluid container is usually called a replacement fluid container; the exogenous replacement fluid / dialysis fluid container is usually called an exogenous replacement fluid The container, the replacement fluid and the dialysate are the same liquid, and the container containing the liquid is also the same container. If the name of each component of the container involves the words "replacement" and "dialysis", different names of "replacement" and "dialysis" should be selected according to the different treatment modes.

[0067] A continuous CRRT machine capacity balance device with two circuit breakers, including a blood circulation system composed of an inlet line 1, a blood pump 2, a hollow fiber dialyzer 3, and a return line 4, and a liquid outlet line 5, a liquid pump 6. The first liquid circulation system c...

Embodiment 3

[0089] Example 3: Such as image 3 , 4 As shown in , 7, it is a pre-dilution filtration mode structure. When it is a filtration mode, the replacement fluid / dialysis fluid container is usually called a replacement fluid container; the exogenous replacement fluid / dialysis fluid container is usually called an exogenous replacement fluid The container, the replacement fluid and the dialysate are the same liquid, and the container containing the liquid is also the same container. If the name of each component of the container involves the words "replacement" and "dialysis", different names of "replacement" and "dialysis" should be selected according to the different treatment modes.

[0090] A continuous CRRT machine capacity balance device with two circuit breakers, including a blood circulation system composed of an inlet line 1, a blood pump 2, a hollow fiber dialyzer 3, and a return line 4, and a liquid outlet line 5, a liquid pump 6. The first liquid circulation system com...

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Abstract

A continuous type CRRT machine capacity balancing device with two circuit breaking devices comprises a blood circulation system and a first liquid circulation system. The blood circulation system is composed of a blood inlet pipeline, a blood pump, a hollow fiber dialyzer and a blood return pipeline. The first liquid circulation system is composed of a liquid outlet pipeline, a liquid pump, two displacement liquid / dialyzate containers, a hollow fiber dialyzer and a liquid return pipeline. A second liquid circulation system composed of an exogenous displacement liquid / dialyzate container, an exogenous displacement liquid / dialyzate container liquid outlet pipeline, the circuit breaking devices, a liquid pump, a displacement liquid / dialyzate container and an exogenous displacement liquid / dialyzate container liquid return pipeline is added. The first liquid circulation system makes contact with the blood circulation system for substance exchange, wherein because the volumes of the first liquid circulation system and the blood circulation system are fixed, the exchange process is not related to volume changes. Liquid exchange is conducted on the two displacement liquid / dialyzate containers through the second liquid circulation system in turns, and therefore the displacement liquid / dialyzate containers can be filled with clean and fresh displacement liquid again, and the aim of unceasingly removing solvent under the moving environment is achieved.

Description

technical field [0001] The invention belongs to a continuous blood purification device, in particular to a continuous CRRT machine capacity balance device with two circuit breakers. Background technique [0002] CRRT (that is, continuousrenalreplacementtherapy) is an abbreviation for continuous renal replacement therapy. Also known as CBP (continuous blood purification); bedside blood filtration. It is a long-term, continuous extracorporeal blood purification therapy used 24 hours a day or close to 24 hours to replace damaged kidney function. [0003] In 1995, at the first international CRRT academic conference held in San Diego, USA, CRRT was officially defined as: all blood purification technologies that can continuously remove solutes and support organ functions. During the Second World War, Murray and Delmore in Canada successfully developed the first artificial kidney machine, which was used in clinical treatment of renal failure in 1946, after which blood purificatio...

Claims

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Application Information

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IPC IPC(8): A61M1/16
CPCA61M1/16A61M1/1621
Inventor 龚德华刘志红徐斌
Owner 龚德华
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