News tagged with incision
Surgical breast biopsy not overused, study suggests
Contrary to earlier findings, surgical breast biopsies may not be as overused as previously thought, according to a study in the February issue of the Journal of the American College of Radiology. Surgical breast biopsies are mo ...
Feb 01, 2012 |
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War on hospital infections drags on
At a time when most new moms are bonding with their babies, Cheri Stout-Robinson was hospitalized for treatment of flesh-eating bacteria.
Dec 06, 2011 |
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Results of the PARTNER Trial Cohort A cost effectiveness analysis reported
The cost effectiveness of transcatheter aortic valve implantation (TAVR) compared to surgical aortic valve replacement (SAVR) depends on whether TAVR is performed via the femoral artery or transapically, through a small incision ...
Medicine & Health / Cardiology
Nov 10, 2011 |
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Quality of life benefits of transcatheter aortic valve replacement differ by access site
Results of the PARTNER Cohort A QOL study demonstrate that transcatheter aortic valve replacement (TAVR) results in improved quality of life compared with surgical valve replacement, but only when performed via the transfemoral ...
Medicine & Health / Cardiology
Nov 10, 2011 |
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Study cuts Whipple procedure wound infections in half with new measures
Thomas Jefferson University Hospital surgeons found that a carefully-selected surgical care check list of 12 measures reduced Whipple procedure wound infections by nearly 50 percent.
Oct 26, 2011 |
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New 'scarless' surgery takes out tumors through natural skull opening
A technique developed by Johns Hopkins surgeons is providing a new route to get to and remove tumors buried at the base of the skull: through the natural hole behind the molars, above the jawbone and beneath the cheekbone.
Oct 26, 2011 |
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Air shield keeps bacteria out of open wounds
This spring, Nimbic Systems, based near Houston, Texas, received Food and Drug Administration (FDA) clearance for the company's Air Barrier System, a unique medical device for reducing surgical-incision ...
Oct 10, 2011 |
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Microlenses for 3-D endoscopes
Modern endoscopic techniques enable doctors to perform surgery without major incisions. Certain interventions require instruments with special 3-D optics. Researchers have developed an image sensor that transmits ...
Oct 05, 2011 |
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For common toy breed dog windpipe issue, veterinarians use technology and precision
Jack, a 12-year-old Yorkshire terrier, was lethargic and gasping for air when he arrived at the University of Missouri Veterinary Hospital. His tongue and gums were a bluish-purple. But, just one day following ...
Oct 04, 2011 |
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Using lasers to vaporize tissue at multiple points simultaneously
Researchers at Vanderbilt University have developed a new technique that uses a single UV laser pulse to zap away biological tissue at multiple points simultaneously, a method that could help scientists study ...
Sep 13, 2011 |
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Breakthrough procedure helps patients with throat, mouth cancer
(Medical Xpress) -- A new robotic procedure performed by a Michigan State University physician at Lansing's Sparrow Hospital could vastly improve the quality of life and recovery time for patients who suffer from throat and ...
Sep 01, 2011 |
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Incisionless surgery now available as an investigational treatment for esophageal disorder
Jorge Sobenes is a husband and father who loves to cook for his family. In a nine month period however, he went from enjoying his favorite foods to not being able to eat or drink due to a tightening in his throat and difficulty ...
Aug 22, 2011 |
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Adding a stent during minimally invasive surgery to repair aneurysms prevents recurrence
The addition of a simple stent can help prevent potentially lethal blood vessel bulges in the brain from recurring after they are repaired in a minimally invasive "coiling" procedure, according to new research by Johns Hopkins ...
Medicine & Health / Neuroscience
Jul 26, 2011 |
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Pediatric urologist develops procedure to eliminate scarring in kidney surgeries
Surgery and all its implications can be scary, especially so for pediatric patients and their parents who dread sometimes disfiguring scars.
Jul 01, 2011 |
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Sticky solution for surgical sealants
(Medical Xpress) -- A Monash University researcher has developed a new form of surgical sealant that is not only easier for surgeons to manipulate, allowing for a more effective application, but significantly ...
Jun 22, 2011 |
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Cutting
Cutting is the separation of a physical object, or a portion of a physical object, into two portions, through the application of an acutely directed force. An implement commonly used for cutting is the knife or in medical cases the scalpel. However, any sufficiently sharp object is capable of cutting if it has a hardness sufficiently larger than the object being cut, and if it is applied with sufficient force. Cutting also describes the action of a saw which removes material in the process of cutting.
Cutting is a compressive and shearing phenomenon, and occurs only when the total stress generated by the cutting implement exceeds the ultimate strength of the material of the object being cut. The simplest applicable equation is stress = force/area: The stress generated by a cutting implement is directly proportional to the force with which it is applied, and inversely proportional to the area of contact. Hence, the smaller the area (i.e., the sharper the cutting implement), the less force is needed to cut something.
For more information about Cutting, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
