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US3894540A Expired / Lapsed US ⏱️ 0.0 years remaining

Catheter

Assignee: BONNER F J JUN
•
Filing: 1973-10-09
•
Granted: 1975-07-15
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Expires: 1993-10-09
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Abstract

Abstract A catheter for urinary and other purposes is disclosed, comprising means forming an elongated flexible conduit having an insertion end, the conduit also having a distal end spaced from the insertion end. Means are provided forming a protective sheath extending in continuous form from the insertion end toward the area of the distal end, and maintaining a substantially sterile condition on the entire outer surface of the conduit. The protective sheath may be a pair of telescopically-arranged tubes, or may be an accordion pleated light-weight material, for example. Catheters of this type may be provided for intermittent use or as indwelling catheters.

Inventors

  • 👤 Jr Francis J Bonner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:52
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/0105; A61M25/0111

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 224 words
A catheter comprising means forming an elongated flexible conduit an operative portion of the length of which is intended to be inserted into the body, said conduit having an insertion end constructed and arranged for insertion through a passage in the body, and for flow of fluid through said conduit, said conduit having a distal end spaced apart from said insertion end, and means forming an extendible and retractable protective sheath extending at least about said operative length from said insertion end toward said distal end and sealed to inhibit invasion of foreign micro-organisms to the entire corresponding surface of said conduit and maintaining a substantially sterile condition on the entire corresponding surface of said conduit, the outer surface of said conduit being sealed with respect to said sheath against invasion Of foreign micro-organisms, and said conduit having an opening for the discharge of said fluid beyond said sheath, said conduit being longitudinally slidable relative to said sheath for insertion into the body, and at least a portion of said sheath being retractable without interfering with the integrity of the protective seal to permit such relative sliding of said conduit, said outer surface of said operative length which is to be inserted into the patient''s body being protected from bacterial invasion through said sheath during the period of insertion and the period of use.
Claim 2
Dependent Claim 224 words
A catheter comprising means forming an elongated flexible conduit an operative portion of the length of which is intended to be inserted into the body, said conduit having an insertion end constructed and arranged for insertion through a passage in the body, and for flow of fluid through said conduit, said conduit having a distal end spaced apart from said insertion end, and means forming an extendible and retractable protective sheath extending at least about said operative length from said insertion end toward said distal end and sealed to inhibit invasion of foreign micro-organisms to the entire corresponding surface of said conduit and maintaining a substantially sterile condition on the entire corresponding surface of said conduit, the outer surface of said conduit being sealed with respect to said sheath against invasion Of foreign micro-organisms, and said conduit having an opening for the discharge of said fluid beyond said sheath, said conduit being longitudinally slidable relative to said sheath for insertion into the body, and at least a portion of said sheath being retractable without interfering with the integrity of the protective seal to permit such relative sliding of said conduit, said outer surface of said operative length which is to be inserted into the patient''s body being protected from bacterial invasion through said sheath during the period of insertion and the period of use.
Claim 3
Dependent Claim 20 words
The catheter defined in claim 1, wherein said catheter is an intermittent use catheter and said distal end is free.
Claim 4
Dependent Claim 28 words
The catheter defined in claim 1, wherein said catheter is an indwelling catheter and a fluid collecting chamber is formed integrally on said distal end and sealed thereto.
Claim 5
Dependent Claim 54 words
The catheter defined in claim 1, wherein said sheath comprises a pair of tubes slidably arranged on said conduit, one of said tubes also being slidable over the other said tube, whereby said tubes are telescopically contractable to facilitate insertion of said conduit into the body, while maintaining the integrity of the protective sheath.
Claim 6
Dependent Claim 24 words
The catheter defined in claim 4, wherein at least one of said tubes are substantially rigid when manually gripped for insertion of said conduit.
Claim 7
Dependent Claim 36 words
The catheter defined in claim 4, wherein a light-weight, flexible supplemental sheath is sealed to each of said tubes and encloses completely the zone in which one said tube is telescoped over the other said tube.
Claim 8
Dependent Claim 41 words
The catheter defined in claim 1, wherein said sheath has an end of reduced size which extends beyond said insertion end of said conduit and comprises a dilator which is insertable into the body before insertion of said insertable conduit end.
Claim 9
Dependent Claim 12 words
The catheter defined in claim 1, wherein said sheath is substantially accordion-pleated.
Claim 10
Dependent Claim 13 words
The indwelling catheter defined in claim 3, wherein said sheath is substantially accordion-pleated.
Claim 11
Dependent Claim 31 words
The indwelling catheter of claim 3, wherein said sheath comprises a pair of tubes slidably arranged on said conduit, one of said tubes also being slidable over the other said tube.
Claim 12
Dependent Claim 35 words
The indwelling catheter defined in claim 3, wherein sealing and anchoring means is secured to said protective sheath outside of said conduit and is also secured to the body into which said conduit is inserted.
Claim 13
Dependent Claim 36 words
The indwelling catheter defined in claim 3, wherein a check valve is provided in said conduit, between said insertion end and said collection chamber, preventing flow of body fluid from said chamber back into said body.
Claim 14
Dependent Claim 19 words
The indwelling catheter defined in claim 12, wherein a plurality of said check valves are provided in said conduit.
Claim 15
Dependent Claim 29 words
The indwelling catheter defined in claim 13, wherein one said valve is adjacent to said container and another said valve is adjacent to said insertion end of said conduit.
Claim 16
Dependent Claim 23 words
The catheter defined in claim 1, wherein said sheath extends beyond the insertion end of said conduit and is sealed beyond said end.
Claim 17
Dependent Claim 16 words
The catheter defined in claim 2, wherein a collection chamber is mounted on said distal end.
Claim 18
Dependent Claim 118 words
A body fluid removable catheter having a means for sterile insertion into a body comprising: means forming a catheter conduit having a body insertion end portion and a fluid discharge end portion, said body insertion portion having a first protective tube slidably enclosing a length of said insertion portion, a means for extending said catheter insertion portion comprising a second protective tube portion fixed, sealed to and enclosing a length of said fluid discharge end portion, said first and second protective tube portions being telescopically connected and having a combined length greater than the sealed length of said catheter conduit, whereby sliding motion of said first protective tube with respect to said second protective tube extends said catheter.
Claim 19
Dependent Claim 118 words
A body fluid removable catheter having a means for sterile insertion into a body comprising: means forming a catheter conduit having a body insertion end portion and a fluid discharge end portion, said body insertion portion having a first protective tube slidably enclosing a length of said insertion portion, a means for extending said catheter insertion portion comprising a second protective tube portion fixed, sealed to and enclosing a length of said fluid discharge end portion, said first and second protective tube portions being telescopically connected and having a combined length greater than the sealed length of said catheter conduit, whereby sliding motion of said first protective tube with respect to said second protective tube extends said catheter.
Claim 20
Dependent Claim 47 words
The cathetEr defined in claim 17 including a contamination prohibiting means comprising a collapsible flexible supplemental sheath, one end thereof being attached adjacent to an end of said first protective tube and the second end thereof being attached adjacent to an end of said second protective tube.
Claim 21
Dependent Claim 19 words
The catheter defined in claim 17 wherein said catheter has a dilator portion on said body insertion end portion.
Claim 22
Dependent Claim 15 words
The catheter defined in claim 19 wherein said dilator is provided with a seal cap.
Claim 23
Dependent Claim 16 words
The catheter defined in claim 20 wherein a lubrication medium is contained within said seal cap.
Claim 24
Dependent Claim 22 words
The catheter defined in claim 17 wherein said catheter is an intermittent use catheter and said body insertion end portion is free.
Claim 25
Dependent Claim 80 words
The catheter defined in claim 17 wherein said first and second protective tubes are slidably arranged on said body insertion end portion of said catheter conduit and said fluid discharge end portion of said catheter conduit, one of said tubes also being slidable over the other said tube, whereby said tubes are telescopically contractable to facilitate insertion of said body insertion end portion into the body, while maintaining the integrity of the protective sheath formed by said pair of tubes.
Claim 26
Dependent Claim 25 words
The catheter defined in claim 17, wherein said first protective tube is substantially rigid when manually gripped for insertion of said body insertion end portion.
Claim 27
Dependent Claim 38 words
The catheter defined in claim 17, wherein a lightweight, flexible supplemental sheath is sealed to said first and second protective tubes and encloses completely the zone in which one said tube is telescoped over the other said tube.
Claim 28
Dependent Claim 42 words
The catheter defined in claim 17, wherein said body insertion end portion has an end of reduced size which extends beyond said insertion end and comprises a dilator which is insertable into the body before insertion of said body insertion end portion.
Claim 29
Dependent Claim 28 words
The catheter defined in claim 17 wherein a lightweight, flexible supplemental sheath is sealed to each of said first and second protective tubes, said sheath being substantially accordion-pleated.
Claim 30
Dependent Claim 38 words
The catheter defined in claim 27, wherein said first and second protective tubes are slidable with respect to each other, and are also slidable with respect to the body insertion end portion and the fluid discharge end portion.
Claim 31
Dependent Claim 39 words
The catheter defined in claim 17, wherein a supplemental sheath is provided which is sealed to each of said first and second protective tubes and which extends beyond said body insertion end portion and is sealed beyond said end.
Claim 32
Dependent Claim 190 words
An improved catheter substantially sealed against the invasion of micro-organism infection of the type comprising a means for forming an elongated flexible conduit a portion of the length of which is intended to be inserted into the body, said conduit having an insertion end constructed and arranged for insertion through a passage in the body, and for flow of fluid into and through said conduit, said conduit having a distal end spaced apart from said insertion end and having an opening for the discharge of said fluid; the improvement which consists of means forming an extendible and retractable protective sheath extending at least about said length from said insertion end toward said distal end, means for providing against the invasion of micro-organisms comprising a sealed connection between said conduit and said sheath located adjacent said distal end of said conduit, and maintaining a substantially sterile condition on the entire corresponding surface of said conduit, said distal end having said opening beyond said sheath, said conduit being longitudinally slidable relative to said sheath for insertion into the body and said sheath being retractable to permit such relative sliding of said conduit.
Claim 33
Dependent Claim 190 words
An improved catheter substantially sealed against the invasion of micro-organism infection of the type comprising a means for forming an elongated flexible conduit a portion of the length of which is intended to be inserted into the body, said conduit having an insertion end constructed and arranged for insertion through a passage in the body, and for flow of fluid into and through said conduit, said conduit having a distal end spaced apart from said insertion end and having an opening for the discharge of said fluid; the improvement which consists of means forming an extendible and retractable protective sheath extending at least about said length from said insertion end toward said distal end, means for providing against the invasion of micro-organisms comprising a sealed connection between said conduit and said sheath located adjacent said distal end of said conduit, and maintaining a substantially sterile condition on the entire corresponding surface of said conduit, said distal end having said opening beyond said sheath, said conduit being longitudinally slidable relative to said sheath for insertion into the body and said sheath being retractable to permit such relative sliding of said conduit.

References Cited (Backward Citations)

US1120549A Cited
US1661494A Cited
US2482622A Cited
US3084693A Cited
US3154080A 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) 1978-07-14 1979-01-13 1979-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-07-14 1983-01-13 1983-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-07-14 1987-01-13 1987-07-15 $7700.00 Window Closed / Lapsed

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