Buzz
For those who spent a significant part of their lives before the 21st century, the present era once felt like a distant, almost fantastical future. Growing up with movies like Blade Runner (set in 2019), many of us find the current reality less futuristic in appearance than we imagined.
While the long-awaited flying car remains elusive, these groundbreaking advancements in medical technology, though less visually striking, hold immense potential to significantly improve our quality of life as we advance further into the future.
10. Personalized Joint Replacements Using Biomaterials
Although joint and bone replacement technology has advanced significantly in recent years, with plastic and ceramic devices increasingly replacing metal ones, the latest generation of artificial bones and joints pushes the boundaries even further—by being engineered to integrate seamlessly with the body.
This innovation is largely enabled by 3-D printing (a recurring theme in this field). In the UK, surgeons at Southampton General Hospital have developed a groundbreaking method where a titanium hip implant, created via 3-D printing, is secured using a “glue” derived from the patient’s own stem cells. Even more remarkable, Professor Bob Pilliar from the University of Toronto has advanced this further with implants that closely replicate the structure of human bone.
Through a process that uses ultraviolet light to bond his bone substitute material into highly intricate structures with exceptional accuracy, Pilliar and his team design implants featuring a microscopic network of nutrient-carrying channels.
As the patient’s bone cells regenerate, they spread throughout this network, effectively merging the natural bone with the implant. Over time, the artificial bone material dissolves, leaving behind the newly grown cells and tissue that maintain the implant’s shape. As Pilliar notes, “It’s not quite Star Trek, where you can instantly heal someone with a beam, but it’s certainly moving in that direction.”
9. Miniature Pacemaker
Since the initial pacemaker implantation in 1958, the technology has seen significant advancements. While major breakthroughs occurred in the 1970s, progress plateaued by the mid-1980s. Remarkably, Medtronic—the pioneer behind the first battery-operated pacemaker—is now introducing a device that promises to transform pacemaker technology just as their earlier invention surpassed wearable models. This new device is as small as a vitamin tablet and, incredibly, eliminates the need for surgical implantation.
The latest version is inserted through a catheter in the groin(!), where it attaches to the heart using small prongs and delivers the necessary electrical pulses. Unlike traditional pacemaker surgery, which involves creating a cavity for the device near the heart, this compact version simplifies the procedure and, impressively, reduces complication rates by over 50 percent compared to the original, with 96 percent of patients experiencing no significant complications.
While Medtronic is likely to be the first to market, having already secured FDA approval, other leading pacemaker manufacturers are developing similar devices to avoid falling behind in the lucrative $3.6 billion annual industry. Medtronic initiated the development of its compact lifesaving device back in 2009.
8. Google’s Eye Implant
Google, the omnipresent search engine giant and global powerhouse, appears determined to weave technology into every facet of human existence. While some of their ideas may seem unconventional, their latest innovation holds both transformative potential and a hint of unease, offering applications that could revolutionize lives while also raising ethical concerns.
The initiative, known as Google Contact Lens, is precisely as it sounds: an implantable lens designed to replace the eye’s natural lens (which is removed during the procedure) and capable of adjusting to improve vision. Made from the same material as soft contact lenses, it bonds seamlessly to the eye and offers a range of medical possibilities—such as monitoring blood pressure in glaucoma patients, tracking glucose levels for diabetics, or wirelessly updating to adapt to changes in a patient’s eyesight.
It might even fully restore lost vision. However, given that this prototype technology is essentially a step away from embedding a camera in the eye, concerns about potential misuse have sparked widespread debate.
Currently, there’s no definitive timeline for its market release. However, a patent has been secured, and clinical trials have demonstrated the procedure’s feasibility.
7. Synthetic Skin
While artificial skin graft technology has seen consistent advancements over the years, two groundbreaking developments from distinct fields are poised to revolutionize research. At MIT, scientist Robert Langer has created a “second skin” named XPL (“cross-linked polymer layer”). This ultra-thin material replicates the look of firm, youthful skin, producing an immediate effect upon application, though its benefits currently last only about a day.
Equally fascinating, Professor Chao Wang from the University of California Riverside is developing an even more advanced polymer material. This innovation can self-repair at room temperature and contains tiny metal particles, enabling it to conduct electricity. While he doesn’t explicitly claim to be creating superheroes, Wang, a self-proclaimed Wolverine fan, describes his work as “an effort to turn science fiction into reality.”
Notably, some self-healing materials have already entered the market, such as the self-repairing coating on LG’s Flex phone, which Wang highlights as a precursor to the diverse applications he envisions for this technology. That said, it’s clear his ambitions lean toward the extraordinary.
6. Brain Implants to Restore Movement
At 19, Ian Burkhart, now 24, experienced a tragic accident that left him paralyzed from the chest down. Over the past two years, he has collaborated with doctors to refine a brain-implanted microchip that interprets brain signals and converts them into movement. While the device is still in development—requiring a lab setting and a computer-connected sleeve on his arm—Ian has regained abilities like pouring from a bottle and even playing video games.
Ian acknowledges that he may not personally benefit from this technology in the long term. Instead, his participation serves as a “proof of concept,” demonstrating that limbs disconnected from the brain can be reconnected through external means using brain signals.
His willingness to undergo brain surgery and dedicate years to thrice-weekly sessions is likely to significantly advance this technology for future generations. While similar methods have restored partial motion in monkeys and controlled robotic arms with human brain waves, this marks the first successful attempt to bridge the neural gap causing paralysis in a human.
5. Bioabsorbable Grafts
Stents or grafts—polymer mesh tubes surgically placed in arteries to reduce blockages—are a double-edged sword. While effective, they often lead to complications over time and are only moderately successful. The risk of complications, especially in younger patients, makes the findings of a recent study on bioabsorbable vascular grafts particularly encouraging.
The technique, known as endogenous tissue restoration, can be simplified as follows: In young patients born with missing heart connections, doctors used an advanced material as a “scaffold” to help the body rebuild these connections naturally. The implant eventually dissolves as the body replaces it with organic tissue. Though the study was small, involving only five young patients, all recovered without complications.
While this concept isn’t new, the innovative material used in the study (made from “supramolecular bioabsorbable polymers, produced through a proprietary electrospinning process”) marks a significant advancement. Earlier stents, crafted from other polymers and even metal alloys, have shown inconsistent results, leading to limited adoption of the treatment outside North America.
4. Bioglass Cartilage
Another breakthrough in 3-D–printed polymer technology could transform the treatment of severe injuries. A collaborative team from Imperial College London and the University of Milano-Bicocca has developed a material dubbed “bioglass”—a blend of silica and polymer that replicates the durable, flexible nature of cartilage.
These bioglass implants, while similar in concept to the stents mentioned earlier, are crafted from a distinct material for entirely different purposes. One potential application is serving as a scaffold to promote the natural regeneration of cartilage. Additionally, they possess self-healing capabilities, allowing them to rebond when torn apart.
While the initial application being tested is spinal disc replacement, a permanent version of the implant is under development to address knee injuries and other areas where cartilage cannot regenerate. The use of 3-D printing for production makes these implants more cost-effective and functional compared to current lab-grown alternatives.
3. Injectable Brain Mesh
Finally, we introduce a groundbreaking technology capable of seamlessly integrating with the brain through a single injection. Researchers at Harvard University have created an electrically conductive polymer mesh that, when injected, spreads throughout the brain, blending seamlessly with its tissue.
So far, the mesh, composed of 16 electrical elements, has been successfully implanted into the brains of two mice for five weeks without triggering immune rejection. Scientists anticipate that a larger version, featuring hundreds of elements, could monitor brain activity at the neuronal level in the near future, with potential applications in treating neurological conditions like Parkinson’s disease and stroke.
This innovation could also provide deeper insights into higher cognitive functions, emotions, and other poorly understood brain processes. By bridging the gap between neurology and physical science, this technology could drive future advancements and, like many entries on this list, potentially pave the way for superhero-like capabilities.
2. Ghost Hearts
Doris Taylor, director of regenerative medicine at the Texas Heart Institute, is pioneering a technique that diverges slightly from the 3-D–printed biopolymers discussed earlier. Dr. Taylor has successfully tested this method in animals and is now preparing for human trials. Her approach, which relies solely on organic materials, may seem even more futuristic than previous innovations.
In essence, an animal heart—such as that of a pig—is treated with a chemical solution that removes all cells, leaving behind a protein framework known as a “ghost heart.” This scaffold is then infused with the patient’s own stem cells.
Once the necessary biological components are in place, the heart is connected to a bioreactor, which mimics the functions of the circulatory system and lungs, until it begins to function as a viable organ. At that point, it can be transplanted into the patient. Dr. Taylor has achieved success with rats and pigs but has yet to test the procedure on humans.
A similar technique has shown promise with simpler organs like bladders and tracheae. Dr. Taylor acknowledges that refining this process—and creating a reliable supply of engineered hearts to eliminate transplant waiting lists—is still a distant goal. However, even if the effort falls short, it will significantly advance our understanding of heart structure and improve treatments for heart-related conditions.
1. Self-Healing Polymer Muscles
Stanford chemist Cheng-Hui Li is developing a groundbreaking material that could serve as the foundation for artificial muscles, potentially surpassing the capabilities of natural ones. His innovative compound, composed of silicon, nitrogen, oxygen, and carbon atoms, can stretch up to 40 times its original length and then return to its normal state.
Additionally, it can repair holes within 72 hours and, remarkably, reattach itself if cut apart, thanks to an iron “salt” in its composition that creates an attractive force. Currently, the pieces must be manually aligned to reattach, as they don’t move toward each other independently—yet.
Currently, the only drawback of this prototype is its low electrical conductivity, expanding just 2 percent under an electrical field compared to the 40 percent achieved by natural muscles. However, this limitation is expected to be resolved soon. It’s also likely that Li, the bioglass cartilage researchers, and Dr. Wolverine from earlier entries will collaborate—if they haven’t already.
