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Patent With Hepatopetal Flow In Virginia
State:
Multi-State
Control #:
US-000281
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Word;
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The word "patent" means open. The ductus arteriosus is a blood vessel that allows blood to go around the baby's lungs before birth. Soon after the infant is born and the lungs fill with air, the ductus arteriosus is no longer needed. It most often closes in a couple of days after birth.
Hepatopetal denotes flow of blood towards the liver, which is the normal direction of blood flow through the portal vein. The term is typically used when discussing the portal vein or recanalized vein of the ligamentum teres in patients with suspected portal hypertension. It is the opposite of hepatofugal.
Patent track sign is a finding on color Doppler ultrasound, representing blood traveling along the course a biopsy needle track. It can occur after a biopsy of any organ, but is more often seen after liver or kidney biopsies.
Hepatopetal denotes flow of blood towards the liver, which is the normal direction of blood flow through the portal vein. The term is typically used when discussing the portal vein or recanalized vein of the ligamentum teres in patients with suspected portal hypertension.
A normal portal venous flow is hepatopetal. A flow reversal (or a hepatofugal flow) is seen in the case of portal hypertension (Fig. 6).
If the vein compresses, this confirms that the vein is open and patent. If the vein does not compress and debris is seen within the vein, this confirms the presence of a blood clot or obstruction of the vein accounting for the patient's symptoms.
The invention must be statutory (subject matter eligible) The invention must be new. The invention must be useful.
These five steps will help you plan out the patent process as you seek to protect your invention. Understand your invention. The first step in how to get a patent is to understand your invention. Research your invention. Choose the type of protection. Draft your patent application. Wait for a formal response.
Just talk to a patent attorney, someone who specializes in medical devices. He or she will do a search for you and make sure you're in the clear to apply for a patent. As you know, the FDA does regulate medical devices, but with less scrutiny that medications. It also will depend if the device is implantable or not.
The five primary requirements for patentability are: (1) patentable subject matter; (2) utility; (3) novelty; (4) non-obviousness; and (5) enablement. Like trademarks, patents are territorial, meaning they are enforceable in a specific geographic area.
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A stepbystep overview of a patent application and maintenance process. The five stages of a patent process.This tutorial will focus on patents and the process for securing a patent in the U.S. First, let's consider why we have a patent system? This page outlines the typical process the Office of Innovation and Commercialization takes in pursuing patent protection for your invention. First, the applicant for patent must be able to demonstrate that he or she has developed a new, useful, and not obvious process or product.