Andrei Karev has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A stent shaped as a three-dimensional body which is formed by interlaced threads (1) arranged in multistart turns of a helical line. The threads (1) are arranged in at least two groups (2 and 3) of the helical turns featuring opposite senses of helix. The stent ends are established by sections (5) where the turns of one helical line merge into those of the other helical line, said sections appearing as a single length of the thread (1).
Type:
Application
Filed:
November 30, 2006
Publication date:
April 5, 2007
Inventors:
Sergei Pulnev, Andrei Karev, Sergei Schukin
Abstract: A stent shaped as a three-dimensional body which is formed by interlaced threads (1) arranged in multistart turns of a helical line. The threads (1) are arranged in at least two groups (2 and 3) of the helical turns featuring opposite senses of helix. The stent ends are established by sections (5) where the turns of one helical line merge into those of the other helical line, said sections appearing as a single length of the thread (1).
Type:
Application
Filed:
November 30, 2006
Publication date:
March 29, 2007
Inventors:
Sergei Pulnev, Andrei Karev, Sergei Schukin