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PEAK Surgical Receives 510(k) Clearance to Market PEAK(R) Surgery System for Use in General Surgery
Date:7/24/2008

can cause extensive thermal damage to surrounding tissue. In cases where the risk of collateral damage or scarring from electrosurgery is considered to be unacceptable, surgeons must use both a traditional scalpel for cutting and an electrosurgery device for coagulation. The PlasmaBlade combines into a single surgical tool the precision of a scalpel and the bleeding control of a traditional electrosurgery device.

Unlike most radiofrequency-based surgical products that use continuous voltage waveforms to cut tissue, the PULSAR Generator supplies pulsed plasma-mediated electrical discharges through the PlasmaBlade. Because the radiofrequency is provided in short on-and-off pulses and the blade contains highly insulated electrodes, the PlasmaBlade cuts tissue at an average temperature that is half that of a conventional electrosurgery device and can be as low as 50 degrees Centigrade. This temperature reduction results in reduced heat transfer and half the damage to surrounding tissues compared with traditional electrosurgical devices. The PlasmaBlade also can dissect tissue in a wet or dry surgical field.

The pulsed plasma-mediated discharges and electrode insulation techniques were originally developed at the Hansen Experimental Physics Laboratory and Department of Ophthalmology at Stanford University.

"Surgeons typically must switch between a scalpel and a traditional electrosurgery device depending on the surgical field and type of tissue they are cutting," said Dr. Thomas M. Krummel, professor and chair of surgery at Stanford University School of Medicine. "I believe the PlasmaBlade has the potential to revolutionize the way surgery is performed because it eliminates the need to change from one surgical tool to another as a surgeon cuts through all types of soft tissue, including skin, fat and muscle. It also has the ability to cut in a wet or dry surgical field, an advancement over most electrosurgical tools in use today."

PlasmaBlade
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SOURCE PEAK Surgical, Inc.
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