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Device and method for producing dialysate

A kind of equipment and solution technology, applied in the field of preparing medical solutions, can solve problems such as incorrect composition of solutions and non-compliance with regulations

Pending Publication Date: 2020-07-03
VIVONIC GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If undissolved raw material reaches the product container, there is a risk that said raw material remains undissolved and that the composition of the prepared solution is incorrect, i.e. out of specification

Method used

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  • Device and method for producing dialysate
  • Device and method for producing dialysate
  • Device and method for producing dialysate

Examples

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Embodiment Construction

[0033] The device according to the invention is in figure 1 The exemplary embodiment shown in includes a supply connection 1 for a solvent, which has a supply line 3 in which a supply valve 2 is arranged. The supply line 3 leads into a main circuit 5 in which a pump 7 , a first regulating valve 22 and a product container 27 are also arranged.

[0034] In a first preparatory step for the preparation of the dialysis concentrate solution, RO water is filled as solvent into the product container 27 via the supply line 3 through the supply line 3 with the valve 2 open by means of the loading pressure applied at the supply connection 1 . The quantity of liquid flowing into product container 27 or its level can be determined by means of flow meter 4 or by means of level sensors 30 and 35 . A gravity sensor (not shown in the drawing) can also be provided for determining the fill level in the product container 27 . The supply valve 3 can be closed after the preparatory steps have bee...

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PUM

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Abstract

The present invention relates to a device for producing a medical solution and preferably a dialysis concentrate solution, which device has a fluid system with a main circuit and with a branch portionconnected to the latter, wherein the main circuit is a circuit in which a pump and a product container are arranged and in which liquid can be circulated by operation of the pump, and wherein a raw material container is attachable in the branch portion, wherein the branch portion comprises a suction line which leads from the attachable raw material container to a suction unit of the main circuit,wherein the suction unit is designed to aspirate liquid, together with still undissolved raw material, out of the suction line and introduce it into a liquid flowing through the main circuit, whereina fine mixing chamber is moreover arranged in the main circuit between the suction unit and the product container, said fine mixing chamber having two connectors and a retention element, arranged between the connectors, for still undissolved raw material.

Description

technical field [0001] The present invention relates to a device and a method for preparing medical solutions and preferably dialysis concentrates. Background technique [0002] Various methods are known in the prior art for preparing dialysis concentrate solutions from undissolved or only partially dissolved raw materials. It is known, for example, to dissolve the starting material in a feed vessel with the aid of a stirrer in a solvent, usually in RO water, which is also referred to as permeate or dialysis water. It is also known to periodically flush the solvent directly into and suck it out of the raw material container via a single connection. However, this process takes a relatively long time and solubility is difficult to control. [0003] It is also known to flow through the raw material container with a solvent. For example, the raw material container can have two connections and can flow through from top to bottom or from bottom to top. In this case, the liquid...

Claims

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Application Information

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IPC IPC(8): A61M1/16
CPCA61M1/1656A61M1/1666A61M2205/7545A61M1/1672
Inventor 帕特里克·贝斯勒斯特凡·埃伯莱因安德烈亚斯·海姆
Owner VIVONIC GMBH
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