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Surgery

The PlasmaButton Electrode developed by Olympus promises fast, accurate and gentle treatme...

A new low-temperature plasma technology promises less invasive treatment for men with Benign Prostatic Hyperplasia (BPH), or enlarged prostate. The PlasmaButton Vaporisation Electrode developed by Olympus allows surgeons to literally vaporize the enlarged prostate tissue quickly, safely and virtually bloodlessly, with minimal damage to healthy tissue.  Read More

A team of Harvard researchers has perfected a technique to track cells and molecules in li...

Scientists and MDs have a wide range of technologies available for the imaging of live tissue, but each of these comes with its own limitations - be it poor contrast, low resolution, long response times or the viewing process damaging the tissue being observed. A team of Harvard researchers has developed a new type of optical biomedical imaging that promises to overcome these obstacles and is so fast and high-resolution that it can capture live video of cells and molecules.  Read More

A stitch in time ... artificial animal body tissue is helping veterinarian students gain c...

It’s vital that surgeons, whether operating on humans or animals, are familiar with how body tissue feels and reacts before conducting their inaugural operation. However, until recently, many veterinarian students were practicing basic surgical and suturing procedures on carpet pads and pig’s feet before moving on to their first “live” patient. But an invention by Colorado State University (CSU) veterinarians has provided students with a substrate that is infinitely closer to the real thing by developing artificial body parts that closely resemble real skin, muscles and vessels – they can even bleed! Of course the real benefit is that no animals (or humans) are hurt in the procedures.  Read More

Kryptonite provides five to ten times the mechanical strength of the breastbone closure of...

Stories about Kryptonite are sure to pique interest, and this one has both a "super" and a scientific angle. Canadian researchers are using a super glue called Kryptonite to create a stronger closure of the breastbone for heart patients after open chest surgery. This means faster recovery time, fewer complications and less post-operative pain.  Read More

The SpectroPen could help surgeons see the edges of tumors in human patients in real time ...

Statistics indicate that complete removal, or resection, of a tumor is the single most important predictor of patient survival for those with solid tumors. So, unsurprisingly, the first thing most patients want to know after surgery is whether the surgeon got everything. A new hand-held device called the SpectroPen could help surgeons provide a more definite and desirable answer by allowing them to see the edges of tumors in human patients in real time during surgery.  Read More

The Sofie force-feedback surgical robot  (Photo: Bart van Overbeeke)

Robot-assisted surgery has a number of advantages over traditional surgery – it’s steadier, more precise, less invasive, plus the surgeon doesn’t even have to be in the same room (or continent) as the patient. One of its drawbacks, however, is the fact that surgeons can’t feel any of the resistance put up by the patients’ tissues – essentially, the controls provide no sense of touch. To address this problem, Linda van den Bedem from Eindhoven University of Technology (TU/e) has created a prototype surgical robot that does provide tactile feedback, and its name is Sofie... or Surgeon’s Operating Force-feedback Interface Eindhoven.  Read More

Georgia Tech research technician Kellie Templeman (left) and former graduate student Tim P...

More than 1,000 tons (2.2 million pounds) of titanium devices are implanted in patients worldwide every year with joint replacements one of the more common procedures. Light, strong and totally biocompatible, titanium is one of the few materials that naturally match the requirements for implantation in the human body. Researchers have now developed an improved coating technique that could strengthen the connection between titanium joint-replacement implants with a patient’s own bone. The stronger connection – created by manipulating signals the body’s own cells use to encourage growth – could allow the implants to last longer.  Read More

A medical student from Beth Israel Deaconess Medical Center is shown testing the new hapti...

Laparoscopic gastric banding is a common surgical treatment for morbid obesity and the most critical factor in the success of the operation lies in the hands of the surgeon - who needs the proficiency and skill to insert slender, handheld tools into the body of the patient. A team of interdisciplinary researchers, led by Rensselaer Polytechnic Institute, has recently won a US$2.3 million federal grant to develop a touch-sensitive virtual reality simulator that will realistically replicate how performing a gastric band operation feels - making it ideal for developing and teaching fundamental surgical skills and for assessing physicians wanting to be certified as a laparoscopic surgeon.  Read More

Kaicheng Liang, a recent graduate who worked on the biopsy robot (photo courtesy of Duke P...

A robot guided by 3-D ultrasound and artificial intelligence has demonstrated it can locate lesions in simulated breast and prostate tissue and take biopsies without human assistance. A team of bioengineers at Duke University, North Carolina, 'souped up' an existing robot arm with a purpose-built ultrasound system which acts as the robot's 'eyes' by collecting data from its scan and locating its target. An artificial intelligence program processes the real-time 3D information from the ultrasound and gives the robot specific commands to perform using a mechanical 'hand' that can manipulate the same biopsy plunger device used by doctors.  Read More

HOST developers Khurshid Guru, MD, (left) and Thenkurussi Kesavadas, PhD

It might be OK to see a trainee tag affixed to the chest of someone serving you a burger, but quite another to see the same tag on the chest of your surgeon as you’re put under before an operation. Of course that’s not the reality with trainee surgeons getting practice alongside more experienced surgeons and on cadavers. But cadavers don’t grow on trees – thankfully – and practicing on live patients exposes them to some risk. Now two Buffalo scientists have paired up to create a new procedure-based, hands-on surgical training software system that promises to deliver effective training in emerging robot-assisted surgical techniques.  Read More

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