US3841330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for bathing body cavities
Assignee: Individual
•
Filing: 1973-01-15
•
Granted: 1974-10-15
•
Expires: 1993-01-15
Abstract
Abstract An endoscope and the like comprising a shaft having independent conduit means for delivering and withdrawing fluid extending from its proximal to distal end. Pump means for pump fluid to and from the body cavity. The pump being operated to deliver and withdraw an equal volume simultaneously.
Inventors
- 👤 K Storz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00131; A61B1/00135; A61B1/12; A61M; A61M31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
In combination, an endoscope or similar apparatus for operating in a body cavity comprising a substantially hollow shaft having first and second conduit means extending between the proximal and distal ends respectively for the delivery and withdrawal of fluid from said body, and tubular pump means comprising a flexible hose extending respectively from said delivery and withdrawal conduit means and a rotary eccentric actuator acting thereon for simultaneously pumping an equal volume of fluid through said first and second conduit means to and from said body.
Claim 2
Dependent Claim
86 words
In combination, an endoscope or similar apparatus for operating in a body cavity comprising a substantially hollow shaft having first and second conduit means extending between the proximal and distal ends respectively for the delivery and withdrawal of fluid from said body, and tubular pump means comprising a flexible hose extending respectively from said delivery and withdrawal conduit means and a rotary eccentric actuator acting thereon for simultaneously pumping an equal volume of fluid through said first and second conduit means to and from said body.
References Cited (Backward Citations)
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US3329147A
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US3481334A
Cited
US3527203A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |