Dutch scientists have developed 3D printed heart stents that can grow with the body

The heart stent is not only for the elderly to be implanted, but many young children with congenital heart disease can also benefit significantly from the implantation of stents and catheters, but the children will gradually grow up and the cardiovascular system will also correspond. Growth, then what should the heart stent do during the growth process?

Researchers from the Eindhoven University of Technology in the Netherlands have developed a heart stent that can self-regulate as children grow, avoiding the need for a second surgery to replace the implant during growth. . The study was published in the magazine "3D Printing and Additive Manufacturing."

The bracket was first designed with a computer model, modeled on a nickel-titanium bracket, and then simulated the shape of the copolymer 3D print bracket, and the prototype of the bracket was made in 3D printed form. The stent model has an elastic mesh structure. The researchers' idea is that the stent can self-expand after reaching the implantation site, similar to the suture after surgery, and can eventually be degraded by the organism.

Worldwide, 280,000 people need heart valve surgery every year, and by 2050, the demand for heart valves is expected to triple. Although the bioprostheses and mechanical valves currently used can meet the needs of saving lives, for many pediatric patients, their ability to match growth and development is still lacking. In addition, for pediatric patients, this invasive implant device should be implanted in the most gentle manner, such as minimally invasive, in order to facilitate clinical application; in addition, in order to meet clinical needs This kind of equipment should also be able to produce quickly and easily on a large scale, and 3D printing is undoubtedly a good choice.

Image source: medgadget

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