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Heat exchanger and artificial lung

A heat exchanger, hollow technology, applied in the direction of suction equipment, drug equipment, other medical equipment, etc., can solve the problem of hydrogen peroxide concentration increase, and achieve the effect of preventing concentration increase

Active Publication Date: 2019-08-06
TERUMO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, depending on the constituent material of the hollow fiber membrane, hydrogen peroxide in the aqueous hydrogen peroxide solution may permeate, resulting in an increase in the concentration of hydrogen peroxide in the blood.

Method used

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  • Heat exchanger and artificial lung
  • Heat exchanger and artificial lung
  • Heat exchanger and artificial lung

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0046] figure 1 It is a plan view of the artificial lung provided with the heat exchanger (first embodiment) of the present invention. figure 2 For viewing from the direction of arrow A figure 1 A diagram of the artificial lung is shown. image 3 for figure 2 B-B line sectional view in. Figure 4 for from figure 2 The figure viewed from the direction of the arrow C in the figure. Figure 5 for figure 1 D-D line sectional view in . Figure 6 for Figure 5 E-E line sectional view in. Figure 7 Made to show figure 1 The figure ((a) is a perspective view, (b) is a developed view) of the process of the hollow-fiber membrane layer which the artificial lung has shown is shown. Figure 8 Made to show figure 1 The figure ((a) is a perspective view, (b) is a developed view) of the process of the hollow-fiber membrane layer which the artificial lung has shown is shown. Figure 9 for figure 1 A cross-sectional view of a hollow fiber membrane included in the hollow fiber me...

no. 2 approach

[0104] Figure 11 It is a plan view showing the hollow fiber membrane sheet before being formed into the hollow fiber membrane layer included in the heat exchanger (second embodiment) of the present invention. Figure 12 To show the Figure 11 The perspective view of the hollow fiber membrane layer formed by folding the hollow fiber membrane sheet shown.

[0105] Hereinafter, a second embodiment of the heat exchanger according to the present invention will be described with reference to this figure, but the description will focus on the differences from the above-mentioned embodiment, and the description of the same items will be omitted.

[0106] This embodiment is the same as the above-mentioned first embodiment except that the structure of the hollow fiber membrane layer is different.

[0107] The hollow fiber membrane layer 3C in the artificial lung 10 in this embodiment consists of Figure 11 The illustrated hollow fiber membrane sheet 300 is constructed.

[0108] The...

no. 3 approach

[0112] Figure 13 It is a perspective view showing the hollow fiber membrane layer included in the heat exchanger (third embodiment) of the present invention.

[0113] Hereinafter, a third embodiment of the heat exchanger according to the present invention will be described with reference to this figure, but the description will focus on the differences from the above-mentioned embodiment, and the description of the same items will be omitted.

[0114] This embodiment is the same as the above-mentioned first embodiment except that the structure of the hollow fiber membrane layer is different.

[0115] Such as Figure 13 As shown, the hollow fiber membrane layer 3D is the Figure 11 The illustrated hollow fiber membrane sheet 300 is wound into a roll and formed into a cylinder a plurality of times.

[0116] Also in this embodiment described above, the same effects as those of the first embodiment and the second embodiment described above can be exhibited.

[0117] As mentio...

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Abstract

The heat exchanger is provided with a hollow fiber membrane layer that comprises a plurality of hollow fiber membranes 31 and in which the plurality of hollow fiber membranes 31 are agglomerated. Thehollow fiber membranes 31 comprise a barrier layer 5 having hydrogen peroxide barrier properties. The barrier layer 5 has an oxygen permeability coefficient of 6 cc.cm / m2.24h / atm or less at 25 degreescentigrade.

Description

technical field [0001] The invention relates to a heat exchanger and an artificial lung. Background technique [0002] Conventionally, there are known heat exchangers and artificial lungs including a bundle of hollow fiber membranes composed of a plurality of hollow fiber membranes whose overall shape is cylindrical. The hollow fiber membrane sheet described in Patent Document 1 can be applied to the hollow fiber membrane bundle formed in a cylindrical shape. The hollow fiber membrane sheet described in Patent Document 1 is obtained by arranging a plurality of hollow fiber membranes substantially in parallel to form weft yarns, and joining the weft yarns together with warp yarns to form a curtain. Furthermore, such a curtain-shaped hollow fiber membrane sheet can be folded to form a bundle of hollow fiber membranes having a prismatic external shape, or a hollow fiber membrane having a cylindrical external shape. [0003] When the above-mentioned hollow fiber membrane bundl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M1/18
CPCA61M1/1698A61M2205/366B01D63/02B01D63/026B01D67/0088B01D71/56B01D2325/20A61M60/38A61M60/113A61M1/3623B01D2325/52B01D63/0232A61M1/1629A61M60/205
Inventor 行天章松本航
Owner TERUMO KK
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