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This shows the CAD model and prototype of the fiber-optic-sensor-based microsurgical tool, SMART
SMART Surgical Tools Ensure Stability During Surgery
September 29, 2012
Baltimore-based Johns Hopkins University Whiting School of Engineering and Johns Hopkins School of Medicine researchers have integrated computer-controlled piezoelectric motors to Optical Coherence Tomography (OCT) imaging technique as a distance sensor for optimizing the tip of a surgical tool.
A paper reporting on the new device Smart Micromanipulation Aided Robotic-surgical Tool (SMART) was published in Optical Society's (OSA) open-access journal Optics Express.
Hand tremors are common while maneuvering at the order of 50-100 µm. In order to mitigate this condition and to enhance stability, a variety of optomechatronics techniques such as robotics have been developed. The researchers have been challenged to explore means for accurate measurement and regulation for the relative motions of a surgical instrument with respect to the target.
With improved resolution (up to 10 µm) and eye-safe feature near infrared light, OCT’s developing imaging technique is considered as an ideal tool for researchers.....read more
Image by; Joe Cyganowski~For Sun-Times Media
Breakthrough hair transplant robot finds home in Skokie
September 25, 2012
SKOKIE — Some employees in Dr. Gregory Turowski’s Skokie office call the new assistant “Harry” although they admit his — or more accurately its — name is a bit cliched.
But what else would one call a breakthrough robot with the potential to revolutionize human hair transplants?Harry deserves his own name since he has only six siblings in the world and he remains the only such “Harry” in the Midwest.
“It’s a less invasive way of doing what we’ve been doing for many years,” said Turowski from his office.Turowski is a plastic surgeon at New Horizons Cosmetic Center, 9843 Gross Point Road. He performs a variety of cosmetic surgeries and was on the ground floor of new technology in human hair transplants.
And now he owns the only “Harry” in the region, a contraption in blue that allows an anesthetized patient to lean forward while sitting in a comfortable chair, his head and chin situated just right while the machine works its magic.
The process in transplanting hair is more thorough and efficient, and the results are better than the old-fashioned way, Turowski says.
“It’s a robot, but it doesn’t operate by itself,” Turowski said, making the case that Harry doesn’t eliminate the need for his job. “But it’s a very complicated process.”The machine, called the ARTAS System and approved by the U.S. Food and Drug Administration, extracts follicles “quickly and painlessly” from the back of the head. They are implanted into balding areas using controlled pneumatic pressure to smoothly slide out each graft.....read more
MSc Minimally Invasive and Robotic Surgery - Student Interviews.
September 24, 2012
Students of the MSc Minimally Invasive and Robotic Surgery at the ICENI centre, Anglia Ruskin University talk about their experiences on the course.
Robotic snake slithers through body, detects tumors
September 23, 2012
We may not have a Prometheus-style surgery pod on our hands just yet, but doctors across the globe are slowly beginning to embrace other types of robots in the operating room.
One such automated medical device? The cancer-detecting robot snake.
Developed by engineers at Britain’s OC Robotics, the mechanical snake has been designed to slither through the human body, both identifying and removing hard-to-reach tumors. The idea is that the snake would be guided by a nearby surgeon and wouldn’t require the patient to be opened up.
While the snake is still only a prototype, researchers are optimistic about its potentially non-invasive qualities.....read more
Questions remain on value of robot prostate surgery
September 6, 2012
NEW YORK (Reuters Health) - Men who get robot surgery for prostate cancer have fewer short-term complications than men whose procedure is done the old-fashioned way - but the newer treatment is pricier, according to a new analysis of close to 30,000 patients.
Although the findings may help inform decisions about cancer surgery, a gold-standard trial comparing the two methods of prostate removal head-to-head is still lacking, researchers said."We don't really have that high-level evidence… that can tell us that one is better than the other, or how one is different than the other," said Dr. Paul Nguyen, who treats prostate cancer at Brigham and Women's Hospital in Boston.
For example, even if some complications such as bleeding happen less frequently with robotic surgery, it's possible men who get that procedure may have more sexual or urinary problems further down the road....read more
Courtesy photo/UNL. Miniature In Vivo Surgical Robot for Single-Incision Surgery
Surgical robot by UNL grad students wins national competition
September 4, 2012
LINCOLN, Nebraska -- A team of graduate students from the University of Nebraska-Lincoln's Surgical Robotics Lab won first place in the American Society of Mechanical Engineers' 2012 Student Mechanism and Robot Design Competition, Graduate Student Robotics category, with their project, "Miniature In Vivo Surgical Robot for Single-Incision Surgery.
"Mechanical and materials engineering students Jack Mondry of Orlando, Florida, Joseph Bartels of Wauneta, Thomas Frederick of Omaha and Eric Markvicka of Ravenna presented their creation at the Chicago event in mid-August. Their platform for R-LESS (robotic laparo endoscopic single site) surgery aims to streamline the crowded operating table while still providing the dexterity necessary to perform general surgical procedures....read more
An analysis conducted by researchers at NewYork-Presbyterian Hospital/Columbia University Medical Center stated that a revolutionary procedure that simplifies a robotic partial nephrectomy, a surgical procedure of removing a kidney tumor, can bring 25% reduction in the critical time the kidney is without blood flow, also called as warm ischemia time (WIT).
The procedure, “first assistant sparing technique” (F.A.S.T) provides results similar to that of a standard robotic partial nephrectomy surgery rapidly and efficiently, despite the size, complexity or location of tumor. The procedure has been reported in the Journal of Endourology published in June. The F.A.S.T. integrates conventional steps within the robotic process.
The study results were determined following a six-month long comparative analysis of F.A.S.T against standard robotic techniques involving 44 patients who experienced robotic partial nephrectomy. F.A.S.T. showed efficiency as much as a standard robotic approach. Using this procedure, the experts can achieve complete tumor removal without any positive surgical margins.
According to Dr. Ketan K. Badani, chief of robotic and minimally invasive surgery at NewYork-Presbyterian Hospital/Columbia University Medical Center......continue reading
Is robotic laparoscopic hysterectomy better than conventional laparoscopic hysterectomy?
September 1, 2012
Robotic assisted laparoscopic procedures are gaining in popularity throughout the US for complicated procedures such as hysterectomy. With any new procedure, dedicated investigators conduct evaluations to determine whether it is an improvement over the traditional approach.
A comparison was made by researchers from Kantonsspital Aarau (Aarau, Switzerland) and University Hospital Basel (Basel, Switzerland).They published their findings in the September 2012 edition of the journal Obstetrics & Gynecology.
Traditionally, hysterectomies have been performed by open surgery, either via the abdominal or vaginal approach. Several decades ago, some gynecologic surgeons adopted the laparoscopic approach; however, most procedures continued to be done by the traditional approach.A major breakthrough occurred in laparoscopy just before the turn of the century with the introduction of robotic surgery......read more
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