Surgical Lasers

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Accuratus (Phillipsburg, NJ) offers light-reflecting ceramic that maximizes light uniformity and intensity in high-energy laser systems, LED-based therapies, and intense pulsed light sources. The total reflectance exceeds 90 percent from 450 nm to 2.5 microns, covering the visible and near-infrared wavelengths.
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Amplitude Systemes (Bordeaux, France) offers the s-Pulse HP ultrafast laser, designed to process medical devices such as stents, percutaneous valves, catheters, and electrodes. It can cut cobalt-chrome and Nitinol stents as well as polymer stents with no heat effects, without changing material properties. The shape-memory capacity of the alloy remains unchanged. The laser generates ultra-short pulses under 500 femtoseconds, enabling the processing of stents and brain micro stents without any burrs, recasting, or micro-cracking. It offers high energy capabilities (up to 2mJ) for thick stents and high repetition rate (up to 300 kHz), and is available with infrared, green, and UV output.
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According to Pantec Biosolutions AG (Liechtenstein, Europe), the global aesthetic market, which includes skin rejuvenation, is expected to grow from a $4.4 billion market in 2010 to a $7.5 billion market in 2015. Meanwhile, the market for transdermal drug delivery is growing rapidly and is expected to be a multi-billion dollar market by 2015. Designed for medical professionals and consumers, these new devices offer a precise delivery method for a variety of medical applications, such as skin rejuvenation, in-vitro fertilization, and vaccinations.
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Emblation Microwave (Alloa, Scotland) offers the MSYS245 medical-grade microwave power generator, capable of more than 100 W CW output power at 2.45 GHz. It is suitable for a wide range of surgical applications, including soft tissue ablation, microwave hyperthermia therapy, diathermy, and microwave coagulation therapy. The compact microwave generator can replace much larger existing sources of microwave power such as magnetrons and traveling-wave tubes (TWTs), which also require separate power supplies. It measures 11.8" × 2.2" × 10.8" and weighs less than 10 pounds. It features a transistor oscillator feeding a fourstage amplifier based on gallium-nitride (GaN) transistors mounted on (SiC) substrates for thermal stability. The heat-pip-based cooling system transfers heat away from the amplifier’s active devices and maintains the enclosure at low operating temperatures even when running at full power. The MSYS245 employs pulse-width modulation (PWM) techniques to maintain power within 5% of a selected value over the full operating temperature range. The front-panel controls allow a user to enable or disable RF output power and to monitor status.
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Active Electrode Monitoring (AEM) instruments incorporate a “shielded and monitored” design to lower risk of injury.

Any surgery brings with it risk, both to the patient and the surgeon. However, laparoscopic surgery sometimes brings an additional invisible risk: stray energy burns. Electrosurgical devices and laparoscopic instruments can suffer insulation failures and capacitive coupling, potentially causing stray energy burns to the patient. Often these burns occur out of sight of the surgeon and may go unnoticed until the patient presents with symptoms like peritonitis or sepsis.

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Wounds can be closed rapidly, without staples, sutures, or tapes.

A novel approach for the immediate sealing of traumatic wounds is under development. A portable microwave generator and handheld antenna are used to seal wounds, binding the edges of the wound together using a biodegradable protein sealant or “solder.” This method could be used for repairing wounds in emergency settings, by restoring the wound surface to its original strength within minutes. This technique could also be utilized for surgical purposes involving solid visceral organs (i.e., liver, spleen, and kidney) that currently do not respond well to ordinary surgical procedures.

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A new system for femtosecond laser-assisted cataract surgery developed at Stanford University School of Medicine uses a new approach to make the procedure less dependent on surgical skill and allow for greater consistency.
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