Hollow fiber membrane type oxygenator with ultrafiltration device

Abstract

The invention relates to a hollow fiber membrane type oxygenator with an ultrafiltration device. The hollow fiber membrane type oxygenator with the ultrafiltration device comprises a vein blood storage chamber and an oxygenation heat exchange chamber and further comprises an ultrafilter which is located inside the vein blood storage chamber. An ultrafilter blood inlet below the ultrafilter is communicated with the oxygenation heat exchange chamber through a blood pipeline. One or more ultrafilter blood outlets are formed in the side face of the upper portion of the ultrafilter. An ultrafiltrate outlet is formed in the side face of the lower portion of the ultrafilter. The ultrafiltrate outlet is communicated with the outside of the vein blood storage chamber. According to the hollow fiber membrane type oxygenator with the ultrafiltration device, the oxygenator and the ultrafilter are designed into an integral device; when the hollow fiber membrane type oxygenator is used, a surgical operator just needs to open a disposable package and then install the hollow fiber membrane type oxygenator on a supporting frame, ultrafiltration work can be conducted simply by turning on an ultrafiltration switch, in this way, redundant connection operation is reduced, operation efficiency is greatly improved, the risk of misoperation is lowered, and both the safety performance and the reliability are high.

Description

technical field [0001] The invention relates to a hollow fiber membrane oxygenator with an ultrafiltration device. Background technique [0002] Membrane oxygenator is an artificial organ that can exchange blood and gas. It is used to replace human lung function to oxygenate blood and remove carbon dioxide according to the principle of biological lung alveolar gas exchange. It is an essential medical treatment for cardiovascular surgery. It is also a necessary medical equipment for the treatment of acute respiratory diseases and the stage of waiting for lung transplantation. The membrane oxygenator currently in clinical use has six functions including oxygenation, heat exchange, blood storage, intracardiac suction recovery, defoaming, and filtration. The world's recorded ultrafilters began in 1928 and have been used in clinical practice since the 1950s and 1960s. The common ultrafiltration methods in clinical practice today include conventional ultrafiltration, improved ul...

AI Technical Summary

Problems solved by technology

[0004] 1. An ordinary membrane oxygenator and an ultrafilter are two devices. During the operation, the operator needs to open the package twice, install two brackets for support, and connect the two devices with pipes. There are many links in the process and the operation is complicated, which affects the efficiency of the operation;

[0005] 2. Ordinary ultrafilters do not have a heat exchange function. Even if they are used together with a membrane oxygenator, they will inevitably lose a lot of heat during the operation of the pipeline, which will affect the surgical effect;

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