US4085742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endoscope equipped with a film cassette
Assignee: Individual
•
Filing: 1976-07-23
•
Granted: 1978-04-25
•
Expires: 1996-07-23
Abstract
Abstract An endoscope has a film cassette incorporated at the forward section of a sheath and a film cassette access opening is provided in the outer periphery of the forward section of the sheath. An outer cover means is detachably fitted over the outer peripheral portion of the forward section of the sheath and includes a hood member for protecting the front end surface of the forward section of the sheath and imparting no injury to the inner cavity of a human being which might otherwise occur by the edge of the forward end of the sheath.
Inventors
- 👤 Takeshi Okada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:49
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/04; A61B1/05
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
150 words
An endoscope equipped with a film cassette comprising: a sheath with a detachable film cassette incorporated in the forward end thereof; a control section connected to the base end of the sheath; a film cassette access opening formed in the outer periphery of the forward section of the sheath; outer cover means comprising a hollow member having a shape corresponding to that of the outer periphery of the forward section of the sheath and detachably fitted thereon to permit the film cassette access opening to be closed; and a hood member made of an elastic material and integrally secured to at least the outer periphery of the forward end portion of the hollow member to protect the front end surface of the forward section of the sheath and to impart no injury to the inner cavity of a human being during the insertion of the sheath into said inner cavity.
Claim 2
Dependent Claim
150 words
An endoscope equipped with a film cassette comprising: a sheath with a detachable film cassette incorporated in the forward end thereof; a control section connected to the base end of the sheath; a film cassette access opening formed in the outer periphery of the forward section of the sheath; outer cover means comprising a hollow member having a shape corresponding to that of the outer periphery of the forward section of the sheath and detachably fitted thereon to permit the film cassette access opening to be closed; and a hood member made of an elastic material and integrally secured to at least the outer periphery of the forward end portion of the hollow member to protect the front end surface of the forward section of the sheath and to impart no injury to the inner cavity of a human being during the insertion of the sheath into said inner cavity.
Claim 3
Dependent Claim
46 words
An endoscope according to claim 1, in which said hollow member has a forward end portion threadably engaged with a frame body of the forward section of the sheath and a rear end abutted in a liquid-tight fashion against the frame body through a sealing member.
Claim 4
Dependent Claim
25 words
An endoscope according to claim 1, in which said hollow member is made of a metal and said hood member is made of a rubber.
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) | 1981-04-24 | 1981-10-24 | 1982-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-24 | 1985-10-24 | 1986-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-24 | 1989-10-24 | 1990-04-25 | $7700.00 | Window Closed / Lapsed |