Microsurgical techniques use specialized microscopes adapted for surgical use, the microscopes and typically providing stereoscopic optics for good depth perception, a magnification range from 4x to 4...
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UW-Madison researchers have developed a device and method for improved CT-guided needle interventions. The new system greatly simplifies the use of introducer needles by providing a path for anesthet...
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A UW-Madison surgeon has developed a wire organizer to secure guide wires and catheters during procedures. One embodiment of the organizer is in the form of a plastic disk with features allowing for e...
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Many minimally invasive medical procedures use guidewires for catheter insertion. This often requires time-critical navigation of tortuous vasculature, demanding intricate manipulation of a guidewire...
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A frequent procedure in cardiovascular surgery is to replace or bypass a blood vessel in order to provide a more adequate flow of blood to downstream tissues. In operations that bypass coronary arteri...
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An improved antenna for microwave ablation uses a triaxial design which reduces reflected energy allowing higher power ablation and/or a smaller diameter feeder line to the antenna.
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Axial stress or similar properties in a stressed connective tissue may be assessed during surgery by excitation of the ligament to create a shear wave allowing measurement of the shear wave velocity w...
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An antenna includes a first dipole arm and a second dipole arm. The first dipole arm is connected to a first conductor and is formed of a first conducting material. The first dipole arm extends in an ...
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A balun includes a center conductor, a dielectric material, a tapered wall, a ring, and a prong. The center conductor extends a length of the balun. The dielectric material surrounds the center conduc...
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An antenna system is provided that includes a coaxial cable, an antenna, a reflector wall, and a slot wall. The reflector wall is formed of a conductive material connected to a conductive shield to ex...
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A syringe adapter having a syringe holder and an actuator are disclosed. The syringe holder may include a fixed portion that may receive a barrel of a syringe and an adjustable portion adjustably posi...
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A system and method are provided for a guide system for guiding an interventional medical instrument toward a region of interest (ROI) along a predetermined trajectory path. The guide system comprises...
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Disclosed herein are novel wavy, multi-component vascular grafts (WMVGs) with a wavy inner layer of rigid biopolymer fibers and an outer layer of elastic biopolymer fibers and a method for preparing W...
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Aspects of the disclosure are directed to methods and/or apparatuses involving the deployment and coupling of catheters. As may be implemented in accordance with one or more embodiments, each of first...
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Microwave ablation is a minimally invasive method for treating cancer, especially solid tumors. The method uses an interstitial antenna that heats tissue with microwave energy. These antennas require...
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An estimated eight out of 10 people will be affected by a spine condition during their lifetime, making treatment options like spinal fusion surgery imperative. Spinal fusion is a surgical procedure i...
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As an alternative to surgery, thermal ablation is a method of treating tumors of the liver, kidney, lung and other body parts. In the process, a slender antenna or probe is inserted through the skin t...
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Minimally invasive surgeries – including robotic procedures – utilize manipulators, which are inserted into patients to help maneuver tissue or tools. Manipulators can be classified either as rigi...
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The inhalation of small amounts of carbon monoxide (CO) by a transplant organ recipient has been shown to significantly improve transplant outcomes. Currently, medical grade CO is only available in hi...
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Drills are commonly used during orthopedic surgery to place screws that allow fixation of fractured bones. One problem that surgeons face while drilling is the overlying soft tissue becoming entangled...
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Glottic insufficiency is the medical term used to describe inadequate vocal fold contact during voice production. Glottic insufficiency results in poor voice quality and “breathiness” duri...
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The liver is a common site for both primary and metastasizing cancer. Surgical resection, the preferred treatment for liver cancer, is a time consuming procedure during which the surgeon must cut thro...
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Liver cancer is the fifth most common cancer in the world and is frequently fatal.  Surgical resection currently is the preferred treatment for liver cancer.  During the time-consuming treat...
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