Implantable Medical Devices Are Designed To Be Introduced Into the Human Body

 

Implantable medical devices are medical devices manufactured to replace a missing biological structure, enhance an existing biological structure, or support a damaged biological structure. They can placed into a naturally or surgically formed cavity of the body. Some examples of implantable medical devices include cardiac pacemakers, hip implants, coronary stents, implantable cardiac defibrillators, implantable insulin pumps, and intraocular lenses. Some implantable medical devices, such as a pacemaker, may be battery-powered.

 

Implantable Medical Devices

A cardiac pacemaker is a small, battery-operated device that helps regulate the heart rate. A cardiac pacemaker senses when the heart beats irregularly or very slowly and helps the heart beat more regularly. Three types of pacemakers are commercially available, such as single chamber, dual-chamber, and biventricular pacemaker. Most pacemakers have two components, such as a pacing lead and a pulse generator. The pulse generator produces electrical pulses, while the pacing lead carries these signals from the pulse generator to regulate heartbeat.

Active implantable medical devices, such as pacemaker units, implantable cardiac pacemakers, implantable insulin pumps, implantable breast pumps, implantable kidney dialysis systems, etc., are designed to be introduced totally or partially into the human body for diagnostic or therapeutic purposes. Implantable medical devices are inserted into a patient’s body and are intended to remain in the body after the procedure. Usually, such devices are battery powered, in the past, such devices were powered by plutonium, while the modern devices use lithium batteries that can last up to fifteen years.

About one million cardiac pacemakers are implanted every year worldwide. Germany was one of the first countries to adopt pacemakers, and successful operations have been taking place in Germany for over 50 years. Moreover, several companies have developed pacemakers that are MRI compatible. In 2017, Japan approved the use of a leadless pacemaker designed to be implanted through a catheter in the right ventricle to deliver single-chamber pacing. With the increasing prevalence of chronic degenerative ailments such as arthritis and chronic cardiac disease, the demand for implantable medical devices is also increasing.

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