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854 results about "Monitoring pressure" patented technology

Portable wound treatment apparatus having pressure feedback capabilities

InactiveUS20070167927A1Readily remove and replaceIncrease speedSurgeryWound drainsPressure feedbackIntensive care medicine
A reduced pressure treatment apparatus includes a drape for positioning over the wound site to create and maintain a substantially air-tight cavity between the wound site and the drape. A multi-lumen suction tube is provided to be attached to a reduced pressure source. The multi-lumen suction tube includes a center lumen and at least one outer lumen and is configured to deliver reduced pressure beneath the drape to the substantially air-tight cavity. The multi-lumen suction tube is adapted to allow fluid to be drawn from the wound site through the center lumen and pressure to be monitored at the wound site through the at least one outer lumen.
Owner:KCI LICENSING INC

Surgical device with pressure monitoring ability

A device with a functional tip containing at least one active electrode capable of creating a controlled perforation in body tissue through the application of Radio Frequency (RF) energy is described. The position of the tip of the device can be determined in response to pressure sensed at the tip and determined by a monitor. The device is useful to remove or perforate unwanted tissue in a controlled manner in any location in the body, particularly in the atrial septum for controlled transseptal puncture. In this application, the device is introduced into the right atrium, and the functional tip is then positioned against the atrial septum. Energy is applied to create the perforation and pressure is monitored to determine if the perforation was created in a desired location. Other possible applications include the removal of plaque or thrombotic occlusions from diseased vessels.
Owner:BOSTON SCI MEDICAL DEVICE LTD

Device and method for thickened oil deposit gas injection huff-puff oil extraction physical simulation experiments

ActiveCN102748018AReliable dataReliable Research PlatformBorehole/well accessoriesControl systemModel system
The invention discloses a device and method for thickened oil deposit gas injection huff-puff oil extraction physical simulation experiments. The device comprises an injection system, a model system, an output control system and a data collection and control system, wherein the injection system is connected with the model system so as to inject formation water, crude oil and huff-puff gas into the model system, the outlet end of the model system is connected with the output control system, the output control system is used for controlling the output of oil-gas mixtures of the model system and calculating gas flow and oil production in the outputted oil-gas mixtures, the model system is further connected with the data collection and control system, and the data collection and control system is used for collecting pressure, temperature and huff-puff gas flow data in a model body and monitoring and processing data in real time. The device can be used for truly simulating processes of injecting gas into a stratum, soaking and extracting indoors and monitoring pressure and pressure gradient distribution rules of different positions from the well bottom of a gas injection well to the far end of the stratum in gas injection and extraction simulation processes.
Owner:PETROCHINA CO LTD

Real-time acquisition experimental device for flowing foam structural images in porous media

The invention discloses a real-time acquisition experimental device for flowing foam structural images in porous media (rocks), which comprises a gas-liquid injecting system, a foam seepage simulation system, an image acquisition system and an output fluid separation metering system, wherein the gas-liquid injecting system is used for providing the fluid condition of a foam seepage simulation experiment; the foam seepage simulation system is used for simulating the environment of porous media of foam seepage and monitoring pressure data in the simulation process; the image acquisition system is used for acquiring foam microstructure images in the process of the foam seepage; and the output fluid separation metering system is used for separating and metering output fluid at a rock outlet automatically. Aiming at foam seeped in the real rocks in the high-pressure experimental state, the real-time dynamic observation and image acquisition of a foam microstructure are realized. The real-time acquisition experimental device has high practicability, performs quantitative description on a foam structure on the basis of the image acquisition, and provides an effective tool for developing microcosmic flowing study on foam in the porous media.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
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