Patent US2523363A successfully refreshed from Google Patents.
US4662871A
Expired / Lapsed
US
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Disposable suction catheter and system for providing multiple suctioning capabilities during medical procedures or the like
Assignee: Individual
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Filing: 1984-09-18
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Granted: 1987-05-05
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Expires: 2004-09-18
Abstract
Abstract A multiple suctioning system, particularly for use in endoscopic procedures or the like, which is provided with a suction source, a Y-shaped connector which is provided with a rotatable stopcock and a plug-like stopper, at least three segments of pliable tubing, and a suction catheter which comprises an elongated handle, a deformable tip, means for preventing the tip from plugging, means for anchoring the catheter in a convenient location, bright-colored vinyl plastic tubing to connect the catheter to a suction source, means for attaching the tubing to the catheter, and means for controlling the flow of suction forces through the catheter.
Inventors
- 👤 Stephen Rafelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:56
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/71; A61M1/74; A61M1/741; A61M1/7413; A61M1/7415; A61M1/76; Y; Y10; Y10S; Y10S604/00; Y10S604/902
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
184 words
A suction catheter for use in endoscopic procedures in combination with an endoscope, said suction catheter and said endoscope being connected to a common suction source, said suction catheter comprising: an elongated handle; a tip having a body portion, a distal end and port means through which secretions are drawn, the body portion of said tip being attached to said handle; means for preventing said port means from plugging; passage means defined by said tip and said elongated handle for flow of suction forces from said port means to said suction source; means for anchoring said catheter in a convenient location near the site of said endoscopic procedures so that said catheter is easily accessible; and adjusting means defined by said elongated handle for controlling said suction forces flowing through said catheter to said suction source, said adjusting means being closed to cause said suction forces to flow through said endoscope to said suction source while said suction catheter remains in a non-suctioning mode and said adjusting means being open to allow said suction forces to flow through said suction catheter and said endoscope.
Claim 2
Dependent Claim
184 words
A suction catheter for use in endoscopic procedures in combination with an endoscope, said suction catheter and said endoscope being connected to a common suction source, said suction catheter comprising: an elongated handle; a tip having a body portion, a distal end and port means through which secretions are drawn, the body portion of said tip being attached to said handle; means for preventing said port means from plugging; passage means defined by said tip and said elongated handle for flow of suction forces from said port means to said suction source; means for anchoring said catheter in a convenient location near the site of said endoscopic procedures so that said catheter is easily accessible; and adjusting means defined by said elongated handle for controlling said suction forces flowing through said catheter to said suction source, said adjusting means being closed to cause said suction forces to flow through said endoscope to said suction source while said suction catheter remains in a non-suctioning mode and said adjusting means being open to allow said suction forces to flow through said suction catheter and said endoscope.
Claim 3
Dependent Claim
28 words
A suction catheter according to claim 1 wherein said means for preventing the port means from plugging are multiple ports located in the distal end of said tip.
Claim 4
Dependent Claim
26 words
A suction catheter according to claim 1 wherein said elongated handle and said tip are formed from bright-colored, flexible vinyl plastic for visibility in dim light.
Claim 5
Dependent Claim
26 words
A suction catheter according to claim 1 wherein said means for anchoring said catheter is a clip which is attached to the handle of said catheter.
Claim 6
Dependent Claim
18 words
A suction catheter according to claim 4 wherein said clip is attached to the body of said tip.
Claim 7
Dependent Claim
38 words
A suction catheter according to claim 1 wherein said means for anchoring said catheter is an indentation in said handle which cooperates with a ring located on a piece of equipment at the site of said endoscopic procedure.
Claim 8
Dependent Claim
34 words
A suction catheter according to claim 1 wherein said adjusting means is a regulator wheel which cooperates with a raised portion in said handle to prevent the suction forces from flowing through said catheter.
Claim 9
Dependent Claim
29 words
A suction catheter according to claim 7 wherein a sliding occluder cooperates with said raised portion in said handle to prevent the suction forces from flowing through said catheter.
Claim 10
Dependent Claim
34 words
A suction catheter according to claim 1 wherein said adjusting means is a fulcrum type device which cooperates with a clip on said handle to prevent said suction forces from passing through said catheter.
Claim 11
Dependent Claim
64 words
A suction catheter according to claim 1 wherein said adjusting means is a piece of pliable tubing positioned in the center of said handle which cooperates with a clip to prevent said suction forces from passing through said catheter, said tubing having a middle section in which the sides are tightly pressed together when said suction forces are prevented from flowing through said catheter.
Claim 12
Dependent Claim
41 words
A suction catheter according to claim 1 wherein said adjusting means is a one way valve which cooperates with a clip to allow said suction forces to pass through said catheter when said clip is pressed against said one way valve.
Claim 13
Dependent Claim
43 words
A suction catheter according to claim 1 wherein said adjusting means is an occluder slidably mounted within said handle, said occluder cooperating with a diaphragm placed within said handle which is closed by said occluder when said occluder is pressed against said diaphragm.
Claim 14
Dependent Claim
34 words
A suction catheter according to claim 2 wherein said adjusting means is a regulator wheel which cooperates with a raised portion in said handle to prevent the suction forces from flowing through said catheter.
Claim 15
Dependent Claim
27 words
A suction according to claim 13 wherein a sliding occluder cooperates with raised portion in said handle to prevent the suction forces from flowing through said catheter.
Claim 16
Dependent Claim
33 words
A suction catheter according to claim 2 wherein said adjusting means is a fulcrum-type device which cooperates with a clip on said handle to prevent said suction forces from passing through said catheter.
Claim 17
Dependent Claim
64 words
A suction catheter according to claim 2 wherein said adjusting means is a piece of pliable tubing positioned in the center of said handle which cooperates with a clip to prevent said suction forces from passing through said catheter, said tubing having a middle section in which the sides are tightly pressed together when said suction forces are prevented from flowing through said catheter.
Claim 18
Dependent Claim
41 words
A suction catheter according to claim 2 wherein said adjusting means is a one way valve which cooperates with a clip to allow said suction forces to pass through said catheter when said clip is pressed against said one way valve.
Claim 19
Dependent Claim
43 words
A suction catheter according to claim 2 wherein said adjusting means is an occluder slideably mounted within said handle, said occluder cooperating with a diaphragm placed within said handle which is closed by said occluder when said occluder is pressed against said diaphragm.
Claim 20
Dependent Claim
34 words
A suction catheter according to claim 3 wherin said adjusting means is a regulator wheel which cooperates with a raised portion in said handle to prevent the suction forces from flowing through said catheter.
Claim 21
Dependent Claim
29 words
A suction catheter according to claim 19 wherein a sliding occluder cooperates with said raised portion in said handle to prevent the suction forces from flowing through said catheter.
Claim 22
Dependent Claim
33 words
A suction catheter according to claim 3 wherein said adjusting means is a fulcrum-type device which cooperates with a clip on said handle to prevent said suction forces from passing through said catheter.
Claim 23
Dependent Claim
64 words
A suction catheter according to claim 3 wherein said adjusting means is a piece of pliable tubing positioned in the center of said handle which cooperates with a clip to prevent said suction forces from passing through said catheter, said tubing having a middle section in which the sides are tightly pressed together when said suction forces are prevented from flowing through said catheter.
Claim 24
Dependent Claim
41 words
A suction catheter according to claim 3 wherein said adjusting means is a one way valve which cooperates with a clip to allow said suction forces to pass through said catheter when said clip is pressed against said one way valve.
Claim 25
Dependent Claim
43 words
A suction catheter according to claim 3 wherein said adjusting means is an occluder slideably mounted within said hanle, said occluder cooperating with a diaphragm placed within said handle which is closed by said occluder when said occluder is pressed against said diaphragm.
Claim 26
Dependent Claim
102 words
The suction catheter according to claim 1 wherein said elongated handle terminates in connection means for connecting a length of flexible tubing to said elongated handle, said body portion is of a constant cross sectional area and terminates in an end portion, said end portion including a bulbous portion having a diameter greater than the diameter of said body portion and said end portion further including a plurality of ports for preventing said tip from plugging, the diameter of said elongated handle being greater than said body portion, and said end portion being bendable to retain its shape in any desired configuration.
Claim 27
Dependent Claim
18 words
A suction catheter according to claim 25 wherein said plurality of ports are located at said bulbous portion.
Claim 28
Dependent Claim
34 words
A suction catheter according to claim 25 wherein said adjusting means is a regulator wheel which cooperates with a raised portion in said handle to prevent the suction forces from flowing through said catheter.
Claim 29
Dependent Claim
29 words
A suction catheter according to claim 27 wherein a sliding occluder cooperates with said raised portion in said handle to prevent the suction forces from flowing through said catheter.
Claim 30
Dependent Claim
33 words
A suction catheter according to claim 25 wherein said adjusting means is a fulcrum-type device which cooperates with a clip on said handle to prevent said suction forces from passing through said catheter.
Claim 31
Dependent Claim
64 words
A suction catheter according to claim 25 wherein said adjusting means is a piece of pliable tubing positioned in the center of said handle which cooperates with a clip to prevent said suction forces from passing through said catheter, said tubing having a middle section in which the sides are tightly pressed together when said suction forces are prevented from flowing through said catheter.
Claim 32
Dependent Claim
41 words
A suction catheter according to claim 25 wherein said adjusting means is a one way valve which cooperates with a clip to allow said suction forces to pass through said catheter when said clip is pressed against said one way valve.
Claim 33
Dependent Claim
43 words
A suction catheter according to claim 25 wherein said adjusting means is an occluder slidably mounted within said handle, said occluder cooperating with a diaphragm placed within said handle which is closed by said occluder when said occluder is pressed against said diaphragm.
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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) | 1990-05-04 | 1990-11-03 | 1991-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-04 | 1994-11-03 | 1995-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-04 | 1998-11-03 | 1999-05-05 | $7700.00 | Window Closed / Lapsed |