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6481 results about "Dual purpose" patented technology

Jump to navigation Jump to search. Dual-purpose is a noun and adjective referring to things serving two purposes. It can specifically refer to: Dual-use technology Dual purpose gun, naval artillery mounting designed to engage both surface and air targets.

Endovascular system for arresting the heart

Devices and methods are provided for temporarily inducing cardioplegic arrest in the heart of a patient and for establishing cardiopulmonary bypass in order to facilitate surgical procedures on the heart and its related blood vessels. Specifically, a catheter based system is provided for isolating the heart and coronary blood vessels of a patient from the remainder of the arterial system and for infusing a cardioplegic agent into the patient's coronary arteries to induce cardioplegic arrest in the heart. The system includes an endoaortic partitioning catheter having an expandable balloon at its distal end which is expanded within the ascending aorta to occlude the aortic lumen between the coronary ostia and the brachiocephalic artery. Means for centering the catheter tip within the ascending aorta include specially curved shaft configurations, eccentric or shaped occlusion balloons and a steerable catheter tip, which may be used separately or in combination. The shaft of the catheter may have a coaxial or multilumen construction. The catheter may further include piezoelectric pressure transducers at the distal tip of the catheter and within the occlusion balloon. Means to facilitate nonfluoroscopic placement of the catheter include fiberoptic transillumination of the aorta and a secondary balloon at the distal tip of the catheter for atraumatically contacting the aortic valve. The system further includes a dual purpose arterial bypass cannula and introducer sheath for introducing the catheter into a peripheral artery of the patient.
Owner:EDWARDS LIFESCIENCES LLC

System and method for treating biological tissue with a plasma gas discharge

Devices and methods for treating biological tissue using a plasma gas-discharge are disclosed herein. An electrode for igniting a gas flow to form a plasma gas-discharge, wherein the electrode is configured within the device such that upon encountering a surface of the biological tissue by the electrode, a path of current from the electrode to the surface of the biological tissue is formed, thereby igniting the gas flow and forming the plasma gas-discharge. In some embodiments, electromagnetic interactions between the treated biological tissue and the plasma gas discharge traversing the electromagnetic interaction gap shape the profile of the plasma gas discharge. According to some embodiments, the device includes an electrode for igniting gas of the gas flow, and electromagnetic interactions between the electrode and the skin determine, at least in part, the electromagnetic interactions that shape the profile of the plasma gas discharge. In some embodiments, the device further includes a housing for providing support for the electrode, wherein the electrode is disposed relative to the housing such that the electrode is substantially electrically unshielded by the housing, and the electrode is positioned to electromagnetically interact with a surface of the biological tissue to shape, at least in part, the plasma profile. According to some embodiments, the presently disclosed device includes a dual-purpose nozzle-electrode for gas delivery and for igniting the gas flow. A method of transdermal ion delivery of a plasma flux to biological tissue as a means of treating the biological tissue is also provided.
Owner:ALMA LASERS LTD

Millimeter-wave time-division linear frequency modulation multiple-target detection colliding-proof radar for car

The invention relates to the technical field of radio fix radars, in particular to a millimetre wave time-division linear frequency modulation multi-object detection automobile anti-collision radar. The radar of the invention adopts full phase parameter receiving/emitting benchmark signal and time-division and time-sequence asynchronous control to receive/emit a dual-purpose quasi-light integrated medium lens antenna array, and scans the objects possible to be collided on the warning road surfaces by DSP according to lane scanning wave beam; the road situation photographing combined with the vehicle speed and GPS data MCU to control time-division n-passage modulation frequency and waveform millimetre wave linear locking phase frequency modulation; emission is carried out sequentially by R/T2, a circulator, a wave beam switch and the antenna array; echo passes through the antenna array, the wave beam switch, the circulator, the R/T1, low noise high amplifier, subharmonic mixing, middle amplifier and a time-dividing circuit and multi-object signal corresponding matching filter wave and is processed and controlled by MCU at DSP; when a plurality of road barriers are encountered, the orientation, distance and relative speed are determined by DSP restriction virtual warning; three-dimensional images are displayed by a CRT; the closer the distance of the object is, the higher the resolution is; the object which is closest to the vehicle is recognised; sound and light alarm are carried out when the distance is less than safety distance; when the distance is near to the dangerous distance, the vehicle can intelligently avoid the barrier or reduce the speed or brake; the radar of the invention can make a choice according to the control reference road situation, the vehicle speed and the GPS data, thus obviously improving the driving safety of the vehicle.
Owner:阮树成
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