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Bag for solid concentrate

A fluid line and fluid extraction technology, applied in the direction of suction equipment, dialysis systems, etc., can solve problems such as fluctuations

Pending Publication Date: 2020-12-01
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Some studies have shown that the amount of undissolved salt remaining in the bag can fluctuate widely

Method used

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  • Bag for solid concentrate
  • Bag for solid concentrate
  • Bag for solid concentrate

Examples

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Embodiment Construction

[0031] For reasons of clarity, the description uses spatial references such as "below" or "upper", "higher" or "lower", "vertical" or "horizontal". These references are about things like Figure 1a and 1b Shown is the pouch with the connector placed aloft.

[0032] The bag (1) according to the invention, like the bag (9) of the prior art, consists of two rectangular skirts of a film made of plastic. For applications in the field of dialysis, bags can be made of low-density polyethylene (PEBD), a blend of polyamide and low-density polyethylene (PA / PEBD) or a blend of low-density polyethylene and high-density polyethylene ( PEBD / PEHD), even made of double layer material. The two skirts are held together by their outer edges so that the empty pocket is flat at least in its lower part. This fixation is preferably achieved by welding, although other modes of fixation such as gluing are of course also conceivable. For reasons of clarity, the term "welding" is no longer used in t...

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Abstract

The invention relates to a bag (1) consisting of a soft wall. The bag is equipped with an introduction fluid line for introducing dissolved water and an extraction fluid line (121, 122) for extractingan obtained solution. According to the invention, the interior of the bag has an approximately V-shaped lower edge (13), the tip of the V is farther from the center of the bag than the branches of the V, the extraction fluid line leads to a position closest to the tip of the V in the bag.

Description

technical field [0001] The invention relates to a bag consisting of soft walls provided with an introduction fluid line for the introduction of dissolved water and an extraction fluid line for extraction of the solution obtained. Background technique [0002] Such bags are commonly used in the manufacture of hemodialysis solutions, especially solutions based on solid concentrates, such as alkaline solid concentrates. [0003] Hemodialysis treatment requires 120 to 240 liters of dialysis solution. For bicarbonate dialysis, the dialysis solution is produced on-line in just-in-time formulation based on acidic and basic concentrates. [0004] Acid concentrates usually consist of various electrolytes, acids and glucose. Due to the presence of various components with different dissolution rates, acid concentrates are often provided as liquid concentrates. If a solid acid concentrate is used, it should be fully dissolved before handling to ensure the correct composition of the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/16
CPCA61M1/167
Inventor 菲利普·拉费弗朗索瓦·迪蒙达约卡特琳·雷蒙德
Owner FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
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