US4950255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catheter connector and clamp
Assignee: I Flow Corp
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Filing: 1988-04-07
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Granted: 1990-08-21
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Expires: 2008-04-07
Abstract
Abstract A combination catheter connector and clamp provided with an interlocking hook and post for locking two connector parts together. A manifold separates the lumens of a multilumen catheter into separate arms which can be closed or opened by a pushbutton clamp. A silicone block is used between the engagement portions of the connector parts.
Inventors
- 👤 Eric W. Brown
- 👤 Charles Kienholz
- 👤 Earl F. Robinson
- 👤 Rex O. Bare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/56; A; A61; A61M; A61M39/00; A61M39/10; A61M39/22; A61M39/28; A61M39/284; A61M2039/1027; A61M2039/1077; A61M39/1011
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
112 words
A multilumen connector part comprising: a housing having a plurality of engagement parts at one end and means for receiving a multilumen catheter at an other end; a manifold having a plurality of compressible and resilient conduits within said housing, said manifold providing independent fluid communication between each lumen of said multilumen catheter and a different one of said conduits and said conduits each leading to a different one of said plurality of engagement ports; and clamping means attached to said housing for selectively closing off said plurality of conduits by pushing against all of said conduits in an area of said housing where said conduits are arranged in a non-overlapping manner.
Claim 2
Dependent Claim
112 words
A multilumen connector part comprising: a housing having a plurality of engagement parts at one end and means for receiving a multilumen catheter at an other end; a manifold having a plurality of compressible and resilient conduits within said housing, said manifold providing independent fluid communication between each lumen of said multilumen catheter and a different one of said conduits and said conduits each leading to a different one of said plurality of engagement ports; and clamping means attached to said housing for selectively closing off said plurality of conduits by pushing against all of said conduits in an area of said housing where said conduits are arranged in a non-overlapping manner.
Claim 3
Dependent Claim
34 words
The multilumen connector part of claim 1 wherein said clamping means comprises a pushbutton having flow restrictor members which close off said plurality of conduits when said pushbutton is held in a closed position.
Claim 4
Dependent Claim
25 words
The multilumen connector part of claim 2 wherein said pushbutton further includes guide members for riding up and down in slots formed in said housing.
Claim 5
Dependent Claim
32 words
The multilumen connector part of claim 2 wherein said pushbutton further includes a ledge engaging said housing to hold said pushbutton against said housing when said pushbutton is in a closed position.
Claim 6
Dependent Claim
30 words
The multilumen connector part of claim 1 further comprising post means extending from said housing so as to be available for making locking engagement with a second multilumen connector part.
Claim 7
Dependent Claim
22 words
The multilumen connector part of claim 1 further comprising a resilient sealing block secured within said housing for forming the engagement ports.
Claim 8
Dependent Claim
123 words
A catheter connector comprising: a first lock adapter including means for receiving a catheter having at least one lumen, an engagement port for each lumen and a conduit for each port connecting said port to one of said at least one lumen; a second lock adapter having an engagement portion connectable to said first lock adapter so that each said conduit in said first lock adapter interconnects with a conduit in said second lock adapter; post means extending out from one of said first or second lock adapters; and hook means attached to the other of said first or second lock adapters so that said first lock adapter is locked to said second lock adapter when said hook means engages said post means.
Claim 9
Dependent Claim
123 words
A catheter connector comprising: a first lock adapter including means for receiving a catheter having at least one lumen, an engagement port for each lumen and a conduit for each port connecting said port to one of said at least one lumen; a second lock adapter having an engagement portion connectable to said first lock adapter so that each said conduit in said first lock adapter interconnects with a conduit in said second lock adapter; post means extending out from one of said first or second lock adapters; and hook means attached to the other of said first or second lock adapters so that said first lock adapter is locked to said second lock adapter when said hook means engages said post means.
Claim 10
Dependent Claim
27 words
The catheter connector of claim 7 further comprising clamp means attached to said first lock adapter for selectively closing each said conduit in said first lock adapter.
Claim 11
Dependent Claim
38 words
The catheter connector of claim 8 wherein said clamp means comprises a pushbutton attached to said housing and flow restrictor members extending from said pushbutton for closing off said conduits when said pushbutton is in a closed position.
Claim 12
Dependent Claim
49 words
The catheter connector of claim 9 wherein said pushbutton further includes guide members which fit through slots formed in said housing, said guide members having expanded portions at their ends for preventing said guide members from coming out of the slots thereby maintaining said pushbutton attached to said housing.
Claim 13
Dependent Claim
27 words
The catheter connector of claim 7 wherein said hook means comprises a member having a hook at one end and a rotatable attachment at an other end.
Claim 14
Dependent Claim
25 words
The catheter connector of claim 7 wherein said second lock adapter further includes a penetrable self-sealing septum covering each conduit in said second lock adapter.
Claim 15
Dependent Claim
44 words
The catheter connector of claim 12 further comprising a needle holder having a needle for each conduit in said second lock adapter, each needle being insertable through said septum so as to be put in communication with a conduit in said second lock adapter.
Claim 16
Dependent Claim
31 words
The catheter connector of claim 7 further comprising a resilient sealing block for connecting the engagement portion of said second lock adapter to the engagement ports of said first lock adapter.
Claim 17
Dependent Claim
89 words
A catheter connector part comprising: a housing having means for receiving a catheter having at least one lumen, an engagement port for each lumen and a conduit for each port connecting said port to one of said at least one lumen; post means extending from said housing so as to be available for making locking engagement with a second catheter connector part; a pushbutton attached to said housing; and flow restrictor members extending from said pushbutton for closing off said conduits when said pushbutton is in a closed position.
Claim 18
Dependent Claim
89 words
A catheter connector part comprising: a housing having means for receiving a catheter having at least one lumen, an engagement port for each lumen and a conduit for each port connecting said port to one of said at least one lumen; post means extending from said housing so as to be available for making locking engagement with a second catheter connector part; a pushbutton attached to said housing; and flow restrictor members extending from said pushbutton for closing off said conduits when said pushbutton is in a closed position.
Claim 19
Dependent Claim
26 words
The catheter connector part of claim 15 wherein said pushbutton further includes a ledge for engaging said housing to hold said pushbutton in the closed position.
Claim 20
Dependent Claim
49 words
The catheter connector part of claim 15 wherein said pushbutton includes guide members which fit through slots formed in said housing, said guide members having expanded portions at their ends for preventing said guide members from coming out of the slots thereby maintaining said pushbutton attached to said housing.
Claim 21
Dependent Claim
31 words
The catheter connector part of claim 15 further comprising a resilient sealing block for connecting the engagement ports of said housing with the engagement portion of a second catheter connector port.
Claim 22
Dependent Claim
80 words
A catheter connector part comprising: a housing having means for receiving a catheter having at least one lumen, an engagement port for each lumen and a conduit for each port connecting said port to one of said at least one lumen; hook means for making locking engagement with a second multilumen connector part; a pushbutton attached to said housing; and flow restrictor members extending from said pushbutton for closing off said conduits when said pushbutton is in a closed position.
Claim 23
Dependent Claim
80 words
A catheter connector part comprising: a housing having means for receiving a catheter having at least one lumen, an engagement port for each lumen and a conduit for each port connecting said port to one of said at least one lumen; hook means for making locking engagement with a second multilumen connector part; a pushbutton attached to said housing; and flow restrictor members extending from said pushbutton for closing off said conduits when said pushbutton is in a closed position.
Claim 24
Dependent Claim
31 words
The catheter connector part of claim 19 wherein said hook means comprises a member having a hook at one end and being rotatably attached to said housing at an other end.
Claim 25
Dependent Claim
49 words
The catheter connector part of claim 20 wherein said pushbutton includes guide members which fit through slots formed in said housing, said guide members having expanded portions at their ends for preventing said guide members from coming out of the slots thereby maintaining said pushbutton attached to said housing.
Claim 26
Dependent Claim
31 words
The catheter connector part of claim 20 further comprising a resilient sealing block for connecting the engagement ports of said housing with the engagement portion of a second catheter connector port.
Claim 27
Dependent Claim
26 words
The catheter connector part of claim 22 wherein said pushbutton further includes a ledge for engaging said housing to hold said pushbutton in the closed position.
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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) | 1993-08-20 | 1994-02-19 | 1994-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-20 | 1998-02-19 | 1998-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-20 | 2002-02-19 | 2002-08-21 | $7700.00 | Window Closed / Lapsed |