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US 2010/0063579 A1Published application
Stent
AssigneeStandard Sci-Tech Inc.
InventorSung-Soon An
Life of this patent
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Abstract
The present invention discloses a stent that is designed to be easily removed from a lumen such as an esophagus, a blood vessel, or other organs of a human body without performing a surgical operation. The stent of the present invention includes an elastic body unit that is formed in a cylindrical shape and has an elastic force and a covering unit that is combined with or coated on the elastic body unit. The covering unit includes an extending portion that is separated from an end portion of the elastic body unit.
Claims7
A stent comprising:
- an elastic body unit that is formed in a cylindrical shape and has an elastic force;
- and
- a covering unit that is combined with the elastic body unit to prevent a
- tissue of a human body from infiltrating inside the elastic body unit,
- wherein, the covering unit comprises an extending portion that is separated from an end portion of the elastic body unit, and
- a connecting string is coupled to the end portion of the elastic body unit to shrink the elastic body unit.
3 more elements
A stent comprising:
- an elastic body unit that is formed in a cylindrical shape and has an elastic force;
- a covering unit combined with the elastic body unit;
- and
- a connecting string that is coupled to the end portion of the elastic body unit to shrink the elastic body unit,
- wherein, an outer circumference of the covering unit is coated with a coating layer formed of a lesion growth suppressing material or the covering unit contains a lesion growth suppressing material.
2 more elements
Dependencies are inferred from the claim text.