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US3877461A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for controlling body fluids

Assignee: Investors in Ventures Inc
•
Filing: 1973-07-02
•
Granted: 1975-04-15
•
Expires: 1993-07-02
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Abstract

Abstract A device for controlling body fluids. An implant is situated in a body cavity and is provided at its exterior surface with a material which will have a predetermined influence on at least one component of a body fluid encountered by the implant at the body cavity.

Inventors

  • 👤 Louis Bucalo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 08:08
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/20; A61F6/22; A61F6/24

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 85 words
For use in a body cavity of a living being, a vas valve implant adapted to be situated in a vas deferens and a spermicidal agent material carried by the implant at the exterior thereof for effecting a predetermined spermicidal influence on sperm in a body fluid encountered by the implant at the body cavity when the sperm is situated at the exterior of the implant, the material being in the form of a holding means for holding the vas valve in the vas deferens.
Claim 2
Dependent Claim 85 words
For use in a body cavity of a living being, a vas valve implant adapted to be situated in a vas deferens and a spermicidal agent material carried by the implant at the exterior thereof for effecting a predetermined spermicidal influence on sperm in a body fluid encountered by the implant at the body cavity when the sperm is situated at the exterior of the implant, the material being in the form of a holding means for holding the vas valve in the vas deferens.
Claim 3
Dependent Claim 105 words
For use in a body cavity of a living being, an implant adapted to be situated at the body cavity, and a material carried by said implant at the exterior thereof for effecting a predetermined influence on at least a component of a body fluid encountered by the implant at the body cavity, the implant having an elongated configuration and the material at the exterior thereof being situated between opposed ends of the implant, said implant being a vas valve and the material being a spermicidal agent, the vas valve having an intermediate barrier and said material being situated against opposed ends of the barrier.
Claim 4
Dependent Claim 105 words
For use in a body cavity of a living being, an implant adapted to be situated at the body cavity, and a material carried by said implant at the exterior thereof for effecting a predetermined influence on at least a component of a body fluid encountered by the implant at the body cavity, the implant having an elongated configuration and the material at the exterior thereof being situated between opposed ends of the implant, said implant being a vas valve and the material being a spermicidal agent, the vas valve having an intermediate barrier and said material being situated against opposed ends of the barrier.
Claim 5
Dependent Claim 27 words
The combination of claim 2 and wherein said material is in the form of a pair of washers respectively situated against said opposed ends of the barrier.

References Cited (Backward Citations)

US3443561A Cited
US3598127A Cited
US3563235A Cited
US3613661A Cited
US3699956A Cited
US3687129A Cited
US3777737A Cited
US3742933A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-04-14 1978-10-14 1979-04-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-04-14 1982-10-14 1983-04-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-04-14 1986-10-14 1987-04-15 $7700.00 Window Closed / Lapsed

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