Patent US6176873B1 successfully refreshed from Google Patents.
US6176873B1
Expired / Lapsed
US
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Stent for endoscope
Assignee: Pentax Corp
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Filing: 1998-06-15
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Granted: 2001-01-23
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Expires: 2018-06-15
Abstract
Abstract A stent includes a mesh tube so constituted that a diameter thereof is contracted when axially extended, while the diameter thereof returns to its original diameter when not axially extended. A cap is provided to a first axial end of the mesh tube for bundling the first axial end of the mesh tube. The cap has a through hole connecting an interior and an exterior of the mesh tube. A tail tube is provided to a second axial end of the mesh tube so that the tail tube and the mesh tube form a continuous path. The tail tube bundling the second axial end of the mesh tube.
Inventors
- 👤 Teruo Ouchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:23
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/86; A61F2/90; A61F2/95; A61F2002/9528; A61M; A61M25/00; A61M25/01; A61M25/0105
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
123 words
A stent comprising: a mesh tube having a diameter that is contracted from an original size when axially extended, the diameter returning to the original size when not axially extended; a cap provided to a first axial end of said mesh tube, said cap bundling said first axial end of said mesh tube, said cap having a hole connecting an interior and an exteiror of said mesh tube; and a tail tube provided to a second axial end of said mesh tube so that said tail tube and said mesh tube form a continuous path, said tail tube bundling said second axial end of said mesh tube, said tail tube having a catch hole formed at a predetermined distance from said mesh tube.
Claim 2
Dependent Claim
123 words
A stent comprising: a mesh tube having a diameter that is contracted from an original size when axially extended, the diameter returning to the original size when not axially extended; a cap provided to a first axial end of said mesh tube, said cap bundling said first axial end of said mesh tube, said cap having a hole connecting an interior and an exteiror of said mesh tube; and a tail tube provided to a second axial end of said mesh tube so that said tail tube and said mesh tube form a continuous path, said tail tube bundling said second axial end of said mesh tube, said tail tube having a catch hole formed at a predetermined distance from said mesh tube.
Claim 3
Dependent Claim
39 words
The stent according to claim 1 , further comprising a string provided to said tail tube, wherein one end of said string is fixed to said tail tube, while the other end of said string is a free end.
Claim 4
Dependent Claim
19 words
The stent according to claim 2 , wherein a knot is formed on said free end of said string.
Claim 5
Dependent Claim
50 words
The stent according to claim 1 , said cap including an inner ring portion and an outer ring portion, wherein said inner and outer ring portions are so constituted that a periphery of said first axial end of said mesh tube is sandwiched between said inner and outer ring portions.
Claim 6
Dependent Claim
26 words
The stent according to claim 1 , further comprising a connecting ring fixed to said tail tube, which connects said mesh tube and said tail tube.
Claim 7
Dependent Claim
29 words
The stent according to claim 1 , wherein each of said cap and said tail tube has a diameter smaller than an original outer diameter of said mesh tube.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-01-23 | 2004-07-24 | 2005-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-01-23 | 2008-07-24 | 2009-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-01-23 | 2012-07-24 | 2013-01-23 | $7700.00 | Window Closed / Lapsed |