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Patent Without Stenosis In Franklin
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Multi-State
County:
Franklin
Control #:
US-000281
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Word;
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Utility patent application: may be filed by anyone who invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof.
A nonprovisional utility patent application must include a specification, including a description and a claim or claims; drawings, when necessary; an oath or declaration; and the prescribed filing, search, and examination fees. Patent Center accepts electronic documents formatted in DOCX.
Understanding and meeting these three basic requirements—novelty, non-obviousness, and utility—is vital for any inventor seeking patent protection. The patent application process is both rigorous and meticulous, demanding a strategic approach to intellectual property protection.
A nonprovisional utility patent application can be filed with the USPTO through the Office's electronic filing system called Patent Center, delivery by U.S. mail, or hand delivery to the Office in Alexandria, Virginia. By far, most patent applications filed at the USPTO are utility applications.
Patent ductus arteriosus (PDA) is an extra blood vessel found in babies before birth and just after birth. In most babies who have an otherwise normal heart, the PDA will shrink and close on its own in the first few days of life. If it stays open longer, it may cause extra blood to flow to the lungs.
A large PDA causes irregular blood flow in the heart and lungs. As a result, pressure rises in the pulmonary artery. Over time, the increased pressure damages the smaller blood vessels in the lungs. A life-threatening and permanent type of lung damage called Eisenmenger syndrome may occur.
It is estimated that left untreated, the mortality rate for patent ductus arteriosus (PDA) is 20% by age 20 years, 42% by age 45 years, and 60% mortality rate by age 60 years. An estimated 0.6% per year undergoes spontaneous closure.
Patent ductus arteriosus, or PDA, is a heart defect that can develop soon after birth. It affects the way blood flows through a baby's lungs. Mild PDA might not need treatment, but some children with the defect may require catheterization or surgery.
A grade of patent without stenosis was given to any vessel displaying no or only minor disturbances in color-flow characteristics and no stenoses of ≥50%. A grade of patent with stenosis was assigned to any vessel displaying moderate or severe disturbances in color-flow characteristics and a stenosis of ≥50%.
The outlook for children who receive PDA treatment and have no other heart conditions is excellent. Most children go on to lead full, healthy lives with no restrictions on activities. They may need periodic checkups with their pediatric cardiologist to make sure no other heart or lung problems have developed.