Patent lumen meaning

The ductus arteriosus is open during prenatal life, allowing most of the blood of the fetus to bypass the lungs, but normally this channel closes shortly after birth and changes into a fibrous cord called the ligamentum arteriosum. Patent Pending is a phrase that an application for a patent has been filed and is in some stage in the process. The state of being freely open or exposed. Patency definition is - the quality or state of being patent.

How to use patency in a sentence. Lumen is a luminous term because it is Latin for light, including the light that comes through a window.

When a hollow organ is cut across, you can see light through the space that has been opened. So the word lumen came to mean this space. For example, in arteriosclerosis, fat deposits narrow the lumen of the artery. Lumen definition, the unit of luminous flux, equal to the luminous flux emitted in a unit solid angle by a point source of one candle intensity. Patent Prosecution We specialize in the preparation, filing, and prosecution of utility patent applications for technology companies and universities.

Patent Annuities Our annuity service provides you with reminders of upcoming annuities for patents worldwide and pays the annuities upon your instruction. Patent definition is - open to public inspection —used chiefly in the phrase letters patent. Synonym Discussion of patent.

A system for providing lumen support and dilation includes a balloon catheter having an inner balloon and an outer mesh bonded to the shaft, with the mesh surrounding the inner balloon and defining an intermediate space therebetween.

The mesh may have holes formed in an outer wall, with the inner balloon being free from holes. Patent (adjective): Open, unobstructe affording free passage. Thus, for example, the bowel may be patent (as opposed to obstructed). Pronounced pa-tent with the accent on the first syllable. CROSS-REFERENCE TO RELATED APPLICATIONS.

This application claims the benefit of U. Multi- Lumen Catheter Including an Elliptical Profile,” which is incorporated herein by reference in its entirety. The lumen (symbol: lm) is the SI derived unit of luminous flux, a measure of the total quantity of visible light emitted by a source per unit of time. English dictionary definition of patent. A grant made by a government that confers. Applications for patents are usually handled.

Failure for the lumen of the urachus to be filled in leaves a patent (open) urachus. The telltale sign is leakage of urine through the umbilicus. First, the question was do we stop infusions on the patent lumens while we declot the occluded lumen.

A patent urachus needs to be surgically removed. If I have a triple lumen PICC, and two lumens have a brisk blood return and flush, and one is totally occlude then I would continue to use the functioning lumens and TPA the occluded one. When a Patent Claim Is Broader Than the Disclosure angioplasty catheter that had two lumens.

However, the claim at issue simply called for an inflation lumen separate from the guide wire lumen.

A tracheal tube is a catheter that is inserted into the trachea for the primary purpose of establishing and maintaining a patent airway and to ensure the adequate exchange of oxygen and carbon dioxide. Suppose Company A, a manufacturer and seller of Baubles, was based in the US and wanted to expand to the Chinese market with an international business license. They can enter the agreement with a Chinese firm, allowing them to use their product patent and giving other resources, in return for a payment. With clarity on the difference lumens and lux, conversion between the two is simple. A utility patent is for processes, machines, and articles of manufacture.

A design patent is used for any new, original ornamental design that can be affixed to an item of manufacture. A plant patent is granted to anyone that has invented or created a new plant. The value of a patent depends on how it was acquired.

Rights, granted to inventors by the federal government, pursuant to its power under Article I, Section Clause of the U. Constitution, that permit them to exclude others from making, using, or selling an invention for a definite, or restricte period of time.