What is the Importance of Cardiovascular Medical Devices?

MedTech Outlook | Tuesday, November 10, 2020

The healthcare sector uses cardiovascular medical devices as it assists in implants and reduces its risk.

FREMONT, CA: Cardiovascular medical devices are built and utilized for several reasons. They help the healthcare providers to maintain blood vessel flow lumens, close orifices, and communication and remove aneurysms and dissections. The medical devices can even entirely replace the functions of membranes, valves, and vessels. As everyone focuses on the implants' primary role, it becomes easy to forget that it may also have secondary objectives, which is to stay intact and do no harm. The loss of device integrity might not cause instant clinical sequelae, but the potential risk for such situations may increase during the device's lifetime. Every medical device is created to do something, but the tools can accurately perform its primary functions if the environment is suitable.

Interactions between Device and Environment

Several implants can make their interactions with the human bodies, which might even be related to physiologic phenomena and patient population. The devices must pulse with the cardiac cycle and flex with respiration. It also has to shorten, bend, stretch, crush, and twist with the joint motion and muscular contraction. There is much information about how the implants behave with anatomies with the help of research. There is significantly less knowledge about how the devices communicate with the environment during the novel application, like the devices that occupy the veins or cross between chambers of the hearts. For such a novel application, it is necessary to conduct proper research to understand the environment better.

The Tripod—Loading Conditions, Computational Modeling, Benchtop Testing

The loading of conditions is available in various flavors like force-controlled, displacement-controlled, and mixed. The displacement-controlled loading condition can deform agnostically any type of devices irrespective of the mechanical properties. The force-controlled state can create deformation commensurate with the device stiffness. It becomes difficult to predict deformation when the human cardiovascular system combines these two conditions. With the help of focused preclinical, cadaver, or clinical observations, the realistic loading conditions can be created and utilized for accurately detecting the stress and strain through computational modeling.

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