US3822697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope of an endoscope
Assignee: Olympus Corp
•
Filing: 1973-03-20
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Granted: 1974-07-09
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Expires: 1993-03-20
Abstract
Abstract An envelope fitted to an endoscope provided with a flexible connection tube used in observing the stomach and liver, thereby enabling said flexible connection tube to have the same function as a rigid connection tube used in observing the abdominal and breast cavities.
Inventors
- 👤 O Komiya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00131; A61B1/00135; A61B1/313
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
98 words
An endoscope envelope for attaining the insertion of an endoscope having a flexible connection tube, comprising: a rigid pipe into which said connection tube is slidably inserted and which supports at least that portion of said connection tube which is to be introduced into the human body so as to obstruct the flexibility of said portion, said rigid pipe including a first portion adapted to be inserted into the human body, said first and second portions being concentrically connected; and fixing means disposed outside of the human body to removably attach said rigid pipe to said connection tube.
Claim 2
Dependent Claim
98 words
An endoscope envelope for attaining the insertion of an endoscope having a flexible connection tube, comprising: a rigid pipe into which said connection tube is slidably inserted and which supports at least that portion of said connection tube which is to be introduced into the human body so as to obstruct the flexibility of said portion, said rigid pipe including a first portion adapted to be inserted into the human body, said first and second portions being concentrically connected; and fixing means disposed outside of the human body to removably attach said rigid pipe to said connection tube.
Claim 3
Dependent Claim
66 words
The endoscope envelope according to claim 1 wherein said fixing means comprises a flange having a hollow portion and abutting against said second portion; a seal member received in said hollow portion to surround said connection tube; and a tightening screw inserted into the flange from the outside to control the condition of the seal member and to also fix the flange to said connection tube.
Claim 4
Dependent Claim
23 words
The endoscope envelope according to claim 2 wherein said fixing means includes a plate spring disposed between the seal member and tightening screw.
References Cited (Backward Citations)
US1087845A
Cited
US2990830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |