US3782369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endoscope with irrigation means
Assignee: Individual
•
Filing: 1971-09-02
•
Granted: 1974-01-01
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Expires: 1991-09-02
Abstract
Abstract An endoscope comprising a shaft having a head in which is mounted an eye-piece for direct viewing. Inlet and outlet means for passing a fluid irrigation media through the shaft is provided beneath the head. A transparent body extends from the eye-piece to the inlet-outlet means and serves to prevent formation of air bubbles or the entrapment of particles in the head.
Inventors
- 👤 K Storz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:45
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
119 words
An endoscope or the like comprising a hollow shaft having a hollow head located at its proximal end and radially dirEcted inlet and outlet openings located at a common level distally of said hollow head for the supply and removal of fluid to said shaft, an eyepiece located at the proximal end of said head and axially aligned with said shaft, a transparent body extending axially between said eye-piece and said inlet and outlet openings axially aligned with said shaft and substantially filling the interior of said hollow shaft, the distal end of said transparent body being arranged at the level of said inlet and outlet openings so as to be rinsed by the fluid passing through said endoscope.
Claim 2
Dependent Claim
119 words
An endoscope or the like comprising a hollow shaft having a hollow head located at its proximal end and radially dirEcted inlet and outlet openings located at a common level distally of said hollow head for the supply and removal of fluid to said shaft, an eyepiece located at the proximal end of said head and axially aligned with said shaft, a transparent body extending axially between said eye-piece and said inlet and outlet openings axially aligned with said shaft and substantially filling the interior of said hollow shaft, the distal end of said transparent body being arranged at the level of said inlet and outlet openings so as to be rinsed by the fluid passing through said endoscope.
Claim 3
Dependent Claim
13 words
The endoscope according to claim 1 wherein the said transparent body is glass.
Claim 4
Dependent Claim
14 words
The endoscope according to claim 1 wherein said body is rectangular in cross section.
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |