Medical Micro-Electro Mechanical Systems (MEMS) Can Be Used In Drug Delivery

Medical Micro-Electro Mechanical Systems (MEMS)

 In a world where microchips containing sensors, actuators, circuitry and memory have become commonplace, MEMS, Medical Micro-electro Mechanical Systems (MEMS) are entering the realm of the biomedical industry with great promise for improving the quality of medical care. MEMS devices can sense pressure, detect movement and forces, identify chemicals and other bio-agents, pump fluids and perform many other functions that can be of value in medical and biological applications.

Medical Micro-electro Mechanical Systems (MEMS) can be fabricated using a variety of materials, including silicon, alumina, glass, teflon, and borosilicate glass, ceramics such as lead zirconate titanate, barium strontium titanate, and aluminum nitride, and metals such as titanium, gold, silver, copper, nickel, and iron. MEMS can be fabricated in very small volumes with great uniformity and reliability, comparable to integrated circuits.

The Global Medical Micro-Electro Mechanical Systems (MEMS) Market Is Expected To Be Valued At US$ 4,710.4 Million In 2019 And Is Expected To Exhibit A CAGR Of 18.5% Over The Forecast Period (2019-2027).

The most promising applications of Medical Micro-electro Mechanical Systems (MEMS) in medicine are related to drug delivery and sensor-based monitoring systems. In the case of drug delivery, MEMS can address a number of problems associated with conventional drug administration such as long-term treatments, narrow therapeutic windows, complicated dosing schedules, combined therapies, and labile active substance administration. Implantable MEMS devices may be designed for controlled release of drugs without the need to create an incision, thereby avoiding complications associated with conventional intravenous and intramuscular injections.

Medical Micro-electro Mechanical Systems (MEMS)drug delivery systems typically consist of a micropump and one or more drug-containing reservoirs. The drug is stored in the microreservoirs and then released into a patient's blood stream over time or at specific intervals through porous membranes. These MEMS drug release devices avoid the need for invasive infusion procedures and can be actuated by both external and internal stimuli, which can be mechanical or electrical.

Similarly, Medical Micro-electro Mechanical Systems (MEMS)can be used to develop medical stents that are deployed within a patient's body to keep a vessel open. A capacitive Si pressure sensor can be integrated into a stent to monitor the pressure in a blood vessel continuously. This type of system can detect recrudescence, and the detected signals can be transmitted outside the body for diagnosis.

Another example of a Medical Micro-electro Mechanical Systems (MEMS) sensor-based system is a brain probe that can be inserted into a patient's skull to stimulate the brain physically or chemically. Such probes are expected to allow for more accurate diagnoses and treatment of neurological disorders, especially in patients with cognitive impairments. 

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