US4620847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for administering powdered substances
Assignee: VSESOJUZNY NAUCHNO ISSLEDOVATELSKY INSTITUT MEDITSINSKIKH POLIME
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Filing: 1984-05-06
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Granted: 1986-11-04
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Expires: 2004-05-06
Abstract
Abstract A device for administering powdered substances into deep-seated cavities of an organism includes a sprayer of powdered substances, a conveying line including a drainage pipe and a catheter, a hollow cylindrical body divided by a diametral partition and a cover, and a first sleeve positioned in the diametral partition and a second sleeve positioned in the cover. Both sleeves have openings that are coaxial with the conveying line.
Inventors
- 👤 Nikolai M. Shishov
- 👤 Vladimir E. Zelenetsky
- 👤 Nadezhda A. Demina
- 👤 Ivan M. Bondarev
- 👤 Alexandr N. Cherny
- 👤 Valery A. Moskvitin
- 👤 Evgeny E. Rylov, deceased
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:58
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/06; B05B11/062; A; A61; A61M; A61M5/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
171 words
A device for administering powdered substances into deep-seated cavities of an organism, said device comprising a sprayer having a cylinder and a piston movable within said cylinder; a conveying line series-connected to said sprayer; a drainage pipe forming part of said conveying line; a catheter in said conveying line, arranged coaxially inside said drainage pipe and adapted to be introduced into a deep-seated cavity of an organism for spraying a powdered substance thereinside; a hollow cylindrical body connected at one end to said sprayer; a diametral partition dividing said hollow body; a cover adapted to close said hollow cylindrical body at an end opposite to said one end; a first sleeve having an opening and positioned in said diametral partition such that said opening is coaxial with said conveying line; said first sleeve receiving an end of said catheter and connecting it to said sprayer; a second sleeve having an opening and positioned in said cover coaxially with said opening of said first sleeve; said second sleeve retaining said drainage pipe.
Claim 2
Independent Claim
171 words
A device for administering powdered substances into deep-seated cavities of an organism, said device comprising a sprayer having a cylinder and a piston movable within said cylinder; a conveying line series-connected to said sprayer; a drainage pipe forming part of said conveying line; a catheter in said conveying line, arranged coaxially inside said drainage pipe and adapted to be introduced into a deep-seated cavity of an organism for spraying a powdered substance thereinside; a hollow cylindrical body connected at one end to said sprayer; a diametral partition dividing said hollow body; a cover adapted to close said hollow cylindrical body at an end opposite to said one end; a first sleeve having an opening and positioned in said diametral partition such that said opening is coaxial with said conveying line; said first sleeve receiving an end of said catheter and connecting it to said sprayer; a second sleeve having an opening and positioned in said cover coaxially with said opening of said first sleeve; said second sleeve retaining said drainage pipe.
Claim 3
Dependent Claim
45 words
A device as set forth in claim 1, comprising: said cover having a bottom and at least one opening in said bottom; a filter located on said bottom of said cover and adapted to cover all of said openings in said bottom of said cover.
References Cited (Backward Citations)
US2518522A
Cited
US2518523A
Cited
GB607237A
Cited
US2525742A
Cited
US2946332A
Cited
US3093274A
Cited
US3949751A
Cited
US3858583A
Cited
US3906950A
Cited
GB1436028A
Cited
US4017007A
Cited
US4082095A
Cited
SU615934A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-11-03 | 1990-05-05 | 1990-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-03 | 1994-05-05 | 1994-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-03 | 1998-05-05 | 1998-11-04 | $7700.00 | Window Closed / Lapsed |