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A special infusion pump and infusion method for stem cells

An infusion pump, stem cell technology, applied in the field of medical devices, can solve problems such as stem cell attachment and problems

Active Publication Date: 2021-09-14
北京远教教育科技中心 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above-mentioned problem that if the existing infusion pump is used for stem cell infusion, the stem cells will adhere to the inner wall of the liquid storage cavity and the infusion pipeline, the present invention provides a special infusion pump and an infusion method for stem cells, specifically The scheme is as follows:

Method used

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  • A special infusion pump and infusion method for stem cells
  • A special infusion pump and infusion method for stem cells
  • A special infusion pump and infusion method for stem cells

Examples

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Embodiment 1

[0032] see figure 1 and 2 As shown, the present invention provides a special infusion pump for stem cells, including a liquid storage device and an infusion pipeline. The liquid storage device includes a protective shell 1 with a columnar cavity structure inside and a liquid storage bag 2 arranged in the protective shell. The bottom of the protective shell 1 is provided with a through hole communicating with the liquid storage bag 2; the infusion pipeline communicates with the through hole at the bottom of the protective shell 1, and the infusion pipeline is sequentially arranged from the end near the liquid storage device to the end of the far liquid storage device. There is a drug injection port, a flow stop clip 5, a flow control device 7 and an outer conical joint 6; an anion protective film 21 is provided on the inner wall of the liquid storage bag 2 and the infusion pipeline. Since the material of the liquid storage bag 2 is silicone rubber, Therefore, it has good elast...

Embodiment 2

[0036]An infusion pump dedicated to stem cells. The difference between the infusion pump and Example 1 is that the anionic protective film includes a substrate, and the substrate is prepared from the following components in parts by weight: polyethylene resin 20, tourmaline powder 6, Methylcellulose 0.5, polymethacrylic acid 0.3. The anion protective film is extruded into a polyethylene self-adhesive film together with slightly viscous EVA. Because the film is mixed with tourmaline powder during the production process, the protective film can release anions, because the basic structure of the cell membrane is a bimolecular layer composed of phospholipids, and The phosphorus-containing part of the phospholipid molecule is negatively charged, and the mutual repulsion of the same-sex charges is used to prevent the stem cells in the medicinal liquid from attaching to the inner wall of the liquid storage bag 2 and the pipeline.

Embodiment 3

[0038] An infusion pump dedicated to stem cells. The difference between the infusion pump and Example 2 is that the base material is prepared from the following components in parts by weight: polyethylene resin 25, tourmaline powder 8, methylcellulose 0.6, poly Methacrylic acid 0.4.

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Abstract

The invention discloses a special infusion pump and an infusion method for stem cells. The infusion pump includes a liquid storage device and an infusion pipeline. An anion protective film is provided on the inner wall of the liquid storage bag and the infusion pipeline. The anions repel each other to prevent the stem cells in the liquid from attaching to the inner wall of the reservoir and the pipeline. The infusion method includes the following steps: Step 1. Check the integrity of the infusion pump; Step 2. Close the stop clip and inject the mixture of stem cells and drugs; Step 3. Cover the protective cap and open the stop clip until the infusion There are no air bubbles in the pump, close the flow-stopping clip for use; Step 4. Connect the outer conical connector to the intravenous cannula on the patient to be infused, and then open the flow-stopping clip; Step 5. Use the auxiliary placement device to stabilize the reservoir Place it on a horizontal surface or hang it in a certain position; Step 6. After the infusion is over, close the stop clamp, and disconnect the external conical connector from the venous cannula.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a special infusion pump and an infusion method for stem cells. Background technique [0002] For a long time, people think that postoperative pain is a natural phenomenon and inevitable, and they can only endure it silently. In fact, pain itself can produce a series of pathophysiological changes, such as the influence of the body's autonomic nervous system, which makes the heart rate faster, shortness of breath, and blood pressure rise; mental changes lead to restlessness and depression, which in turn affect the function of the digestive system and physical strength. Recovery; the influence of endocrine and hormones directly and indirectly changes the functions of various receptors. Until the 1970s, people developed an infusion pump (analgesic pump), which is an electronically controlled injection device that can perform constant-speed intravenous injection of painkillers accordin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/152A61L31/12A61L33/04A61L31/04
CPCA61L31/042A61L31/048A61L33/04A61M5/152C08L23/06C08L1/28A61M5/158A61M5/16813A61K35/00A61K35/28A61L31/028A61L33/064A61L33/068A61M16/0816
Inventor 曹毓琳林俊堂李霞云贺伟刘世红卢承前
Owner 北京远教教育科技中心
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