摘要:
Mechanical stresses and deformations are applied directly to cell surface receptors or molecules and measured using a system including a magnetic twisting device in combination with ferromagnetic microbeads coated with ligands for integrins or any other surface receptors. The system can be used diagnostically to characterize cells and molecules and to determine the effect of transformation and compounds, including drugs, on the cells and molecules. The system can also be used to induce cells to grow or alter production of molecules by the cells.
摘要:
A portable magnetic resonance (MR) system for quantitatively measuring properties of a subject's lungs, such as regional ventilation and lung density, is provided. The portable MR system includes a magnet, radio frequency (RF) coil assembly, and spectrometer system. The magnet can be positioned near the subject's chest. The magnetic field of the magnet substantially homogeneous in a region-of-interest located at a distance from the surface of the magnet that localizes the region-of-interest in the subject's lung. The RF coil assembly includes one or more RF coils that are sized to be positioned near the subject's chest, and receives MR signals from the region-of-interest. The spectrometer system controls the RF coil assembly and computes from the acquired MR signals, a quantitative metric indicative of a characteristic of the subject's lung in the region-of-interest. An active noise cancellation system is provided so RF shielding of the portable MR system is not required.
摘要:
The method and device of the invention provides a measure of lung function at a preselected region of the lung by detecting and measuring light scattering following contact of the light onto lung tissue. Multiple parameters concerning the status of the lungs can be measured using a variety of wavelengths of light targeted at the lung tissue. In this way it is possible to determine regions of impaired lung function in patients with emphysema. The device utilizes an optical fiber, a light collection system and a spectral separation device to provide an image of the lung and to determine functional parameters such as gas exchange.
摘要:
A balloon bounce game suitable for use indoors, includes a generally rectangular mat of flexible material for defining a playing surface, the mat having first indicia for defining a center line that divides the playing surface into two equal area play fields, and second indicia for defining score areas in each of the play fields. The mat is of such dimensions as to enable the mat to be placed on a floor indoors, and for a player located in a serve zone behind a far end of one of the play fields to hit or strike a balloon over the center line to bounce or land in a score field in the other one of the play fields. The form and positions of the indicia therefore make a vertical net unnecessary.
摘要:
Systems and methods for insurance claims processing are provided. A system for processing insurance claims may comprise at least one subsystem that makes an automatic assignment of a project to a loss services provider via a selection of an item on a user interface, and at least one subsystem that incorporates information from a report from the loss services provider into a database without manual retyping of said information from the report.
摘要:
A system and method for producing a more accurate ventilation image, as compared to existing lung Fourier decomposition methods, and an image of ventilation dependent blood volume are provided. A time series of images depicting a subject's lungs during free-breathing are acquired and co-registered to a reference image. From the registration process, geometric information indicative proton density changes due to inhalation and exhalation of gas is obtained. This geometric information is used to correct the proton density values in the time series of image frames. These corrected proton density values are Fourier transformed to produce a Fourier spectrum, from which a signal peak occurring at the breathing frequency is extracted and Fourier transformed to produce a more accurate ventilation image. This more accurate ventilation image can be subtracted from a breathing frequency image produced by conventional lung Fourier decomposition methods to produce a ventilation dependent blood volume image.
摘要:
A visor for automotive use including a plurality of air directing channels for reducing the aerodynamic drag of the visor. The visor is formed from a single sheet of material and the channels are formed by flat bottomed depressions beginning near the front edge of the visor and becoming progressively deeper to a point near the back edge of the visor. From this point, the bottom of the depression abruptly rises back to the visor surface. The depressions have a maximum width near the front edge and taper to half this width near the back edge of the visor. The channels direct air from under the visor through openings formed between the visor and the vehicle and exhaust the air with essentially laminar flow.