US6524234B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tip portion of an endoscope
Assignee: Pentax Corp
•
Filing: 2001-09-07
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Granted: 2003-02-25
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Expires: 2021-09-07
Abstract
Abstract In an endoscope, an aspirated mucosa movement regulating portion is provided in a position intermediate between the distal end and the bottom of a tip hood for ensuring that the mucous membrane aspirated from the distal end of the tip hood toward an aspiration port will not get to viewing window.
Inventors
- 👤 Teruo Ouchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:57
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/012; A61B1/018; A61B1/00064; A61B1/00071; A61B1/0008; A61B1/00089; A61B1/00163; A61B1/00165; A61B17/00; A61B17/00234; A61B2017/00238; A61B2017/00269; A61B2017/00292; A61B2017/00296
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
93 words
A tip portion of an endoscope having a tubular tip hood provided at the distal end of an insertion portion, with at least a viewing window and an aspiration port being provided in a position corresponding to the bottom of said tip hood, wherein an aspirated mucosa movement regulating portion is provided in a position intermediate between the distal end and the bottom of said tip hood for ensuring that the mucous membrane aspirated from the distal end of said tip hood toward said aspiration port will not get to said viewing window.
Claim 2
Dependent Claim
93 words
A tip portion of an endoscope having a tubular tip hood provided at the distal end of an insertion portion, with at least a viewing window and an aspiration port being provided in a position corresponding to the bottom of said tip hood, wherein an aspirated mucosa movement regulating portion is provided in a position intermediate between the distal end and the bottom of said tip hood for ensuring that the mucous membrane aspirated from the distal end of said tip hood toward said aspiration port will not get to said viewing window.
Claim 3
Dependent Claim
35 words
The tip portion of an endoscope according to claim 1 , wherein a treatment tool projecting port for causing treatment tools to project is provided either to double as said aspiration port or separately therefrom.
Claim 4
Dependent Claim
47 words
The tip portion of an endoscope according to claim 2 , wherein said aspirated mucosa movement regulating portion is a wall member generally parallel to the bottom plane of said tip hood, with an opening formed in an area positioned ahead of said treatment tool projecting port.
Claim 5
Dependent Claim
34 words
The tip portion of an endoscope according to claim 1 , wherein said aspirated mucosa movement regulating portion is an annular wall formed along the inner periphery of said tip hood to project inwardly.
Claim 6
Dependent Claim
61 words
The tip portion of an endoscope according to claim 1 , wherein said aspirated mucosa movement regulating portion is a partition provided in the intermediate position of said tip hood to project inwardly from its inner periphery so as to provide a division at least between the space ahead of said viewing window and the space ahead of said aspiration port.
Claim 7
Dependent Claim
17 words
The tip portion of an endoscope according to claim 1 , wherein said tip hood is transparent.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2006-02-24 | 2006-08-26 | 2007-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-02-24 | 2010-08-26 | 2011-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-02-24 | 2014-08-26 | 2015-02-25 | $7700.00 | Window Closed / Lapsed |