US4628940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for sampling cells from the mucous membrane of the cervix uteri
Assignee: Individual
•
Filing: 1983-09-01
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Granted: 1986-12-16
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Expires: 2003-09-01
Abstract
Abstract The sampling device includes means for spraying or flushing the mucous membrane with a liquid, in order to release cells therefrom, and a container for collecting the liquid together with cells suspended therein. The spray means of the device includes a rinsing or flushing pipe (3) having connected thereto a spray nozzle (4) which is connected to a liquid container, and a suction tube (5) for removing the liquid, together with the suspended cells, to the collecting container (19) by suction.
Inventors
- 👤 Jan I. Naslund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:34
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0291; A61B17/00; A61B17/32; A61B17/3203; A61M; A61M1/00; A61M1/84; A61M1/85
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
130 words
A device for obtaining cell samples from the mucous membrane of the cervix uteri for the detection of cervical cancer comprising: spray nozzle means (4) for applying, to the cervical mucous membrane, a plurality of liquid jets positively pressurized at a pressure between 5 and 15 bar to have sufficiently high kinetic energy to dislodge a diagnostically adequate sample of cells from the mucous membrane by the impact of the liquid on the mucous membrane; a liquid supply pipe (3) connected to said spray nozzle means and connectable to a source of pressurized liquid; a suction tube (5) opening adjacent said spray nozzle means for removing the liquid and dislodged cells; and a collecting container (19) coupled to said suction tube for receiving the liquid and cells from said tube.
Claim 2
Independent Claim
130 words
A device for obtaining cell samples from the mucous membrane of the cervix uteri for the detection of cervical cancer comprising: spray nozzle means (4) for applying, to the cervical mucous membrane, a plurality of liquid jets positively pressurized at a pressure between 5 and 15 bar to have sufficiently high kinetic energy to dislodge a diagnostically adequate sample of cells from the mucous membrane by the impact of the liquid on the mucous membrane; a liquid supply pipe (3) connected to said spray nozzle means and connectable to a source of pressurized liquid; a suction tube (5) opening adjacent said spray nozzle means for removing the liquid and dislodged cells; and a collecting container (19) coupled to said suction tube for receiving the liquid and cells from said tube.
Claim 3
Dependent Claim
38 words
The device according to claim 1 further including a handgrip (1) for holding the device and wherein said spray nozzle means, liquid supply pipe, and suction tube are integrally formed as a unit detachably connectable to said handgrip.
Claim 4
Dependent Claim
28 words
The device according to claim 1 further including a handgrip (1) for holding of the device and wherein said collecting container (19) is detachably connectable to said handgrip.
Claim 5
Dependent Claim
25 words
The device according to claim 1 wherein said collecting container (19) is provided with a level controlling suction pipe (20) connectable to a suction source.
Claim 6
Dependent Claim
50 words
The device according to claim 1 further including means (11) coupled to said liquid supply pipe for controlling the pressure of the liquid between a low pressure at which the liquid cleanses the cervix uteri and a high pressure at which the liquid jets dislodge cells from the mucous membrane.
Claim 7
Dependent Claim
21 words
The device according to claim 1 wherein said spray nozzle means (4) is detachably connected to said liquid supply pipe (3).
Claim 8
Dependent Claim
24 words
The device according to claim 1 wherein said suction tube (5) is coaxial with said liquid supply pipe (3) and axially displaceable within it.
Claim 9
Dependent Claim
26 words
The device according to claim 1 wherein said spray nozzle means includes a plurality of circumferentially spaced ducts (22) communicating with said liquid supply pipe (3).
Claim 10
Dependent Claim
23 words
The device according to claim 8 wherein said spray nozzle means (4) includes a centrally located opening communicating with said suction tube (5).
Claim 11
Dependent Claim
21 words
The device according to claim 9 further including a recess coaxial with said central opening for receiving said suction tube (5).
Claim 12
Dependent Claim
24 words
The device according to claim 1 further including a positive pressure pump (13) and liquid supply container (15) couplable to said liquid supply pipe.
Claim 13
Dependent Claim
21 words
The device according to claim 1 further including a suction device (16) and drain tank (17) couplable to said collecting container.
Claim 14
Dependent Claim
27 words
The device according to claim 12 further including a level controlling suction pipe (20) opening into said container and couplable to said suction device and drain tank.
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) | 1989-12-15 | 1990-06-16 | 1990-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-15 | 1994-06-16 | 1994-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-15 | 1998-06-16 | 1998-12-16 | $7700.00 | Window Closed / Lapsed |