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Medical

Oxygenation Hollow Fiber Membrane

Hollow-Fiber-Membrane.jpg

Membrane oxygenator is one kind of micropore hollow fiber oxygenator, which is applied for extracorporeal circulation in extra-cardiac surgery or therapy to oxygenate the blood and remove carbon dioxide. Membrane oxygenator is a medical device to replace the lung in cardiac arrest. It is also a medical device for treating acute respiratory diseases and waiting for lung transplantation.


  Degassing Membrane Contactor --cbt.png

Cobetter has developed hollow fiber membrane that is also called gas exchange membrane, which is an very important raw material in membrane oxygenator. The gas exchange capillary works as the medium of gas and blood exchange. The gas and blood on both sides of the capillary can reach the oxygen and carbon dioxide exchange by diffusion.

Oxygenation Hollow Fiber Membrane 01 cbt.pngOxygenation-Hollow-Fiber-Membrane-cbt.gif

 

Product Line Classification      

Application

Effective
Duration

Membrane 
Material

Membrane 
Technology

Part No.

Specification

Configuration

CPB 

(cardopulmonary 
bypass)

Short Time Style:  

6H

Polypropylene

TIPS

(Thermally Induced 

Phase Separation)

PPB67  380/280

ID 280 * Wall 50 μm

- Single-thread spools

- Single layer mats

- Cross-wound mats



Max.mat width is 200mm

PPB628  300/200

ID 200 * Wall 50 μm

Polypropylene

Dry stretching

Developing *

ID 240 * Wall 30 μm

Developing *

ID 150 * Wall 30 μm

ECMO

(Extracorporeal 
Membrane 
Oxygenation)

Long Time Style: 
>24H

Polymethylpentene

TIPS

(Thermally Induced 

Phase Separation)

PMX20  380/200

ID 200 * Wall 90 μm

ECCO2R

(Extracorporeal 
Carbon Dioxide 
Removal)

ELS 
(Extracorporeal 
Life Support)


Note * :The heat exchange capillary that is used for heat exchange will be launched soon.



Polymethylpentene Gas Diffusion Capillary Structure And Characteristics

The hollow fiber membrane manufacturered with TIPS technology from Cobetter is with asymmetric structure.

                                                

Inner Surface

Asymmetric thin cortical structure, larger pore size, great gas permeability.





Outer Surface

Dense cortical structure: small pore size, great ability of preventing blood transmission , avoid blood infiltration and blockage, improve the effective lifetime.

Oxygenation-Hollow-Fiber-Membrane-01-cbt.jpg

* PMP Membrane Micro-structure Diagram


Gas Diffusion Membrane Basic Parameter

   Model   PMX20 380/200   PPB67 380/280   PPB628 300/200
   Materials   PMP   PP   PP
   Pore Structure   Asymmetric   Asymmetric   Asymmetric
   Wall Thickness   90±10 um   50±10 um   50±10 um
   Outer Diameter   380±30 um   380±30 um   300±20 um
   Inner Diameter   200 um   280 um   200 um
   Porosity (%)   50   55   55
   Tensile Strength (cN)   ≥ 90   ≥ 100   ≥ 100
   Elongation at Break   ≥ 100   ≥ 400   ≥ 400
   N2 Flux (cm2 · min · bar)   0.2 - 10   45-105   45-105

  




For technical data sheet or application inquiry, you are more than welcome to contact our sales representative by sales@cobetterfilter.com or leave a message.