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Medical device innovations lead to extraordinary advances

Updated: 6/10 4:00 pm



Vaccination patches: Researchers are developing a plastic skin patch that could replace many painful injections. The patch contains plastic 'micro-needles' that dissolve into the skin, painlessly delivering vaccinations for a variety of diseases, including the flu. Patients might even be able to administer the vaccine themselves.

Resorbable heart stent: A plastic heart stent can open a clogged artery to restore blood flow to the heart - and then slowly dissolve into the body. This resorbable plastic could eliminate the need for another invasive procedure to remove the stent, as well as reduce the likelihood of blood clots and scarring.

3-D body part printing: Researchers are using a layered assembly manufacturing technique - called '3-D printing' - to create medical devices and implants using plastics. For example, a type of plastic and living cells are combined into a material used to make 3-D printed implants to replace human ear cartilage. The combination of materials makes the body more likely to respond favorably to the implant, according to researchers.


Bacteria-resistant plastics: Several newly discovered plastics might contribute to reduced infections. These plastics have 'nonstick' surfaces that bacteria aren't attracted to, which could help prevent contamination from bacteria-laden 'biofilms.' The plastics could be used to make catheters or medical equipment to help ward off preventable disease.

Self-healing prosthetics: Researchers are developing a new plastic 'skin' that recognizes when it's been damaged and responds by healing itself. The plastic skin mimics the flexibility and sensitivity of human skin - it becomes electrically conducive by adding a bit of nickel. The plastic skin can restore its mechanical and electrical properties after being cut and that cycle can be repeated over and over again. Among other applications, researchers hope the self-healing plastic may be used to manufacture lifelike prosthetic limbs that heal themselves after injury - much the way human skin does.


Printing human ears, delivering painless vaccines, self-healing artificial skin, see-through medical devices; while these innovations may sound futuristic, some already exist - and others may hold the potential to improve medical care for people around the world.

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