US5630795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning tube apparatus for endoscope
Assignee: Olympus Corp
•
Filing: 1995-02-27
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Granted: 1997-05-20
•
Expires: 2015-02-27
Abstract
Abstract A cleaning tube apparatus for an endoscope, comprises the endoscope having an observation optical system for observing a subject part at a forward-end portion, a cleaning tube detachable with respect to said endoscope, said cleaning tube being provided with a plurality of fluid jetting openings in a peripheral direction at one end of said cleaning tube, said fluid jetting openings being provided for leading cleaning fluid at least to said observation optical system, and a fluid supply unit connected to said cleaning tube, for supplying the cleaning fluid to said cleaning tube.
Inventors
- 👤 Seiji Kuramoto
- 👤 Ryoji Masubuchi
- 👤 Akio Nakada
- 👤 Yasuhiko Omagari
- 👤 Ichiro Nakamura
- 👤 Nobuhiko Washizuka
- 👤 Yoshinao Oaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:11
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00064; A61B1/00066; A61B1/00068; A61B1/00071; A61B1/00073; A61B1/0008; A61B1/00091; A61B1/00131; A61B1/00135; A61B1/00137; A61B1/0014; A61B1/00142; A61B1/12; A61B1/126
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
94 words
A cleaning tube apparatus in combination with an endoscope comprising: an observation optical system for observing a subject part, said observation optical system including a plurality of objective lenses at a forward-end portion; a cleaning tube detachable with respect to said endoscope, said cleaning tube being provided at one end with a plurality of fluid jetting openings each oriented in a rearward peripheral direction of said cleaning tube toward one of said plurality of objective lenses; and fluid supply means connected to said cleaning tube, for supplying the cleaning fluid to said cleaning tube.
Claim 2
Dependent Claim
94 words
A cleaning tube apparatus in combination with an endoscope comprising: an observation optical system for observing a subject part, said observation optical system including a plurality of objective lenses at a forward-end portion; a cleaning tube detachable with respect to said endoscope, said cleaning tube being provided at one end with a plurality of fluid jetting openings each oriented in a rearward peripheral direction of said cleaning tube toward one of said plurality of objective lenses; and fluid supply means connected to said cleaning tube, for supplying the cleaning fluid to said cleaning tube.
Claim 3
Dependent Claim
98 words
A cleaning tube apparatus in combination with an endoscope comprising: an observation optical system for observing a subject part, said observation optical system including a plurality of objective lenses at a forward-end portion; a cleaning tube insertable in a channel in said endoscope, said cleaning tube being provided at one end with a plurality of fluid jetting openings each oriented in a rearward peripheral direction at one end of said cleaning tube toward one of said plurality of objective lenses; and fluid supply means connected to said cleaning tube, for supplying the cleaning fluid to said cleaning tube.
Claim 4
Dependent Claim
98 words
A cleaning tube apparatus in combination with an endoscope comprising: an observation optical system for observing a subject part, said observation optical system including a plurality of objective lenses at a forward-end portion; a cleaning tube insertable in a channel in said endoscope, said cleaning tube being provided at one end with a plurality of fluid jetting openings each oriented in a rearward peripheral direction at one end of said cleaning tube toward one of said plurality of objective lenses; and fluid supply means connected to said cleaning tube, for supplying the cleaning fluid to said cleaning tube.
Claim 5
Dependent Claim
31 words
A cleaning tube apparatus in combination with an endoscope, according to claim 1, wherein said fluid supply means includes liquid feeding means for feeding the cleaning liquid to said cleaning tube.
Claim 6
Dependent Claim
35 words
A cleaning tube apparatus in combination with an endoscope according to claim 3, wherein said fluid supply means further includes gas feeding means connected to said cleaning tube for feeding gas to said cleaning tube.
Claim 7
Dependent Claim
58 words
A cleaning tube apparatus in combination with an endoscope, according to claim 1, wherein said fluid supply means includes liquid feeding means connected to said cleaning tube for feeding the cleaning liquid to said cleaning tube, and suction means connected to said cleaning tube for sucking the cleaning liquid from said fluid jetting openings in said cleaning tube.
Claim 8
Dependent Claim
30 words
A cleaning tube apparatus in combination with an endoscope, according to claim 5, wherein said liquid feeding means and said suction means are contained in a single liquid-feeding suction unit.
Claim 9
Dependent Claim
31 words
A cleaning tube apparatus in combination with an endoscope, according to claim 5, wherein said liquid feeding means and said suction means are provided by respective units separate from each other.
Claim 10
Dependent Claim
57 words
A cleaning tube apparatus in combination with an endoscope, according to claim 5, wherein said fluid supply means is provided with a reversible pump having a shaft which rotates in one direction to supply the cleaning liquid to said cleaning tube, and which rotates in an opposite direction to suck the cleaning liquid from said cleaning tube.
Claim 11
Dependent Claim
53 words
A cleaning tube apparatus in combination with an endoscope, according to claim 5, wherein said fluid supply means is provided with liquid-feeding suction control means for feeding the cleaning liquid for a predetermined period of time, and for sucking the cleaning liquid for a predetermined period of time after completion of liquid feeding.
Claim 12
Dependent Claim
73 words
A cleaning tube apparatus in combination with an endoscope, according to claim 5, wherein said fluid supply means is provided with a cleaning indicating switch for indicating cleaning operation; and liquid-feeding suction control means for feeding the cleaning liquid for a period of time said cleaning indicating switch is operated, and for stopping liquid feeding when operation of said switch is completed, to suck the clearing liquid for a predetermined period of time.
References Cited (Backward Citations)
US3109426A
Cited
US3903877A
Cited
US4204528A
Cited
US4281646A
Cited
US4294251A
Cited
US4509507A
Cited
JPS57187504A
Cited
US4451257A
Cited
US4648386A
Cited
US4667656A
Cited
US4567880A
Cited
US4767404A
Cited
US4755168A
Cited
US4860731A
Cited
JPH01192328A
Cited
US5020539A
Cited
US4878893A
Cited
US5007898A
Cited
JPH01310638A
Cited
US4919113A
Cited
US4991565A
Cited
US5203769A
Cited
JPH03272729A
Cited
US5191878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-05-19 | 2000-11-18 | 2001-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-05-19 | 2004-11-18 | 2005-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-05-19 | 2008-11-18 | 2009-05-20 | $7700.00 | Window Closed / Lapsed |