MEDICAL STENT HAVING MOVEMENT PREVENTION MEANS
First Claim
1. A medical stent with stoppers, comprising a body having a cylindrical shape meshed with an elastic member and having an internal passage, and stoppers forming portions of the body and preventing the body from moving in a lesion,wherein the body includes:
- a first elastic part at the center thereof;
a pair of second elastic parts disposed at respective sides of the first elastic part and extending from the first elastic part;
third elastic parts respectively disposed outside of the second elastic parts and extending from the second elastic parts, andfourth elastic parts respectively disposed outside of the third elastic parts, extending from the third elastic parts, and forming the ends of the body,wherein the stopper is composed ofthe second elastic parts and the fourth elastic part, andthe second elastic parts are larger in diameter than the first elastic part and the third elastic parts.
1 Assignment
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Accused Products
Abstract
The present invention provides a medical stent with a stopper which can be inserted into lumens of a human such as the duodenum, the colon, the biliary tract, and the esophagus, and that is useful for lesions due to stricture caused by benign and malignant tumors.
The medical stent with stoppers of the present invention includes a body having a cylindrical shape meshed with an elastic member and having an internal passage, and stoppers forming portions of the body and preventing the body from moving in a lesion, in which the body has a first elastic part at the center thereof, a pair of second elastic parts disposed at respective sides of the first elastic part and extending from the first elastic part, third elastic parts disposed outside of the second elastic parts and extending from the second elastic parts, and fourth elastic parts disposed outside of the third elastic parts, extending from the third elastic parts, and forming ends of the body, the stopper composed of the second elastic parts and the fourth elastic part, and the second elastic parts being larger in diameter than the first elastic part and the third elastic parts.
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Citations
10 Claims
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1. A medical stent with stoppers, comprising a body having a cylindrical shape meshed with an elastic member and having an internal passage, and stoppers forming portions of the body and preventing the body from moving in a lesion,
wherein the body includes: -
a first elastic part at the center thereof; a pair of second elastic parts disposed at respective sides of the first elastic part and extending from the first elastic part; third elastic parts respectively disposed outside of the second elastic parts and extending from the second elastic parts, and fourth elastic parts respectively disposed outside of the third elastic parts, extending from the third elastic parts, and forming the ends of the body, wherein the stopper is composed of the second elastic parts and the fourth elastic part, and the second elastic parts are larger in diameter than the first elastic part and the third elastic parts. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification