Patent US3805770A successfully refreshed from Google Patents.
US3805770A
Expired / Lapsed
US
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Endoscope guide and lubricating means
Assignee: Olympus Corp
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Filing: 1972-07-18
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Granted: 1974-04-23
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Expires: 1992-07-18
Abstract
Abstract An endoscope guide comprising a cylindrical spongy member and a cylindrical support fitted to the rear end of said spongy member so as to hold it tightly.
Inventors
- 👤 T Okada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:20
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/31
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
83 words
An endoscope guide and lubricating means comprising: a soft liquid-absorptive generally cylindrical spongy member having a passageway therethrough in the axial direction thereof for allowing the insertion of an endoscope through said passageway; a plurality of projections on the inner walls of said passageway, each of said projections extending in the axial direction of said passageway; and a generally cylindrical support formed of harder material than that of the cylindrical spongy member and connected to said cylindrical spongy member to securely support same.
Claim 2
Dependent Claim
83 words
An endoscope guide and lubricating means comprising: a soft liquid-absorptive generally cylindrical spongy member having a passageway therethrough in the axial direction thereof for allowing the insertion of an endoscope through said passageway; a plurality of projections on the inner walls of said passageway, each of said projections extending in the axial direction of said passageway; and a generally cylindrical support formed of harder material than that of the cylindrical spongy member and connected to said cylindrical spongy member to securely support same.
Claim 3
Dependent Claim
46 words
The endoscope guide according to claim 1 wherein the cylindrical spongy member has a plurality of rods made of harder material than that of said cylindrical spongy member, each of said rods being inserted into said cylindrical spongy member and extending in the axial direction thereof.
Claim 4
Dependent Claim
25 words
The endoscope guide according to claim 1 which further comprises a casing surrounding the cylindrical support and at least part of the cylindrical spongy member.
Claim 5
Dependent Claim
55 words
The endoscope guide according to claim 1 wherein said cylindrical support comprises a first cylindrical portion and a second cylindrical portion of smaller diameter than said first cylindrical portion and connected to said first cylindrical poRtion, said cylindrical portions being coaxial with each other, said second cylindrical portion extending interior of said cylindrical spongy member.
Claim 6
Dependent Claim
58 words
The endoscope guide according to claim 4 further comprising a casing surrounding the cylindrical support and extending over the outer periphery of said cylindrical spongy member in the vicinity of said second cylindrical portion of said cylindrical support, said cylindrical spongy member being interposed between a portion of said casing and said second portion of said cylindrical support.
Claim 7
Dependent Claim
17 words
The endoscope guide according to claim 1 wherein said cylindrical spongy member is impregnated with a lubricant.
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) | 1977-04-22 | 1977-10-22 | 1978-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-22 | 1981-10-22 | 1982-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-22 | 1985-10-22 | 1986-04-23 | $7700.00 | Window Closed / Lapsed |