US5954698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catheter apparatus having valved catheter hub and needle protector
Assignee: Span America Medical Systems Inc
•
Filing: 1997-01-08
•
Granted: 1999-09-21
•
Expires: 2017-01-08
Abstract
Abstract Catheter apparatus having a needle protector attached to a catheter hub. The needle protector includes a needle. The catheter hub defines a valve chamber. A valve is positioned in the chamber for controlling fluid flow through the chamber. The catheter apparatus is used to insert a catheter in a blood vessel and to regulate fluid flow between the catheter hub and the blood vessel.
Inventors
- 👤 Kevin H. Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:22
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/06; A61M25/0612; A61M25/0631; A61M25/0097; A61M25/0606
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
189 words
An apparatus, comprising: a needle protector including a body having a first end and a second end, said body including a plurality of side walls extending between said first and second ends in a first geometric configuration, said side walls defining an interior space, said side walls defining a first slot and a second slot; a needle hub having a front end, a back end, a first side and a second side being positioned in said interior space, said front end being adapted to receive a needle, said first and second sides each including handle means, said handle means extending through said slots to positions outside of said body; a needle in communication with said front end of said needle hub; a catheter hub including a housing having a connection end defining a first fluid passageway and a catheter end defining a second fluid passageway, said housing including at least one hub wall defining a valve chamber; valve means positioned in said valve chamber for controlling fluid flow in both directions through said chamber between said first and second fluid passageways; and actuator means for actuating said valve means.
Claim 2
Independent Claim
189 words
An apparatus, comprising: a needle protector including a body having a first end and a second end, said body including a plurality of side walls extending between said first and second ends in a first geometric configuration, said side walls defining an interior space, said side walls defining a first slot and a second slot; a needle hub having a front end, a back end, a first side and a second side being positioned in said interior space, said front end being adapted to receive a needle, said first and second sides each including handle means, said handle means extending through said slots to positions outside of said body; a needle in communication with said front end of said needle hub; a catheter hub including a housing having a connection end defining a first fluid passageway and a catheter end defining a second fluid passageway, said housing including at least one hub wall defining a valve chamber; valve means positioned in said valve chamber for controlling fluid flow in both directions through said chamber between said first and second fluid passageways; and actuator means for actuating said valve means.
Claim 3
Dependent Claim
14 words
The invention of claim 1, wherein said first end includes a plurality of threads.
Claim 4
Dependent Claim
17 words
The invention of claim 1, wherein one of said side walls includes a plurality of spaced projections.
Claim 5
Dependent Claim
13 words
The invention of claim 1, wherein said first geometric configuration is a polygon.
Claim 6
Dependent Claim
11 words
The invention of claim 4, wherein said polygon is a hexagon.
Claim 7
Dependent Claim
15 words
The invention of claim 1, wherein said slots are opposed in relation to one another.
Claim 8
Dependent Claim
18 words
The invention of claim 1, wherein each of said slots includes a locking portion adjacent said second end.
Claim 9
Dependent Claim
21 words
The invention of claim 1, wherein said needle hub includes a hub fluid passageway extending between said front and back ends.
Claim 10
Dependent Claim
12 words
The invention of claim 8, wherein said back end includes absorbent means.
Claim 11
Dependent Claim
25 words
The invention of claim 1, wherein said handle means consists of a wing and a handle member having an exterior surface and an interior surface.
Claim 12
Dependent Claim
19 words
The invention of claim 10, wherein each handle member includes a plurality of spaced grips on said exterior surface.
Claim 13
Dependent Claim
19 words
The invention of claim 10, wherein said handle member includes at least one locking projection on said interior surface.
Claim 14
Dependent Claim
34 words
The invention of claim 12, wherein said needle protector includes an end cap having a first leg and a second leg, each of said legs defining a locking recess for receiving said locking projections.
Claim 15
Dependent Claim
23 words
The invention of claim 8, wherein said needle defines a needle passageway in communication with said hub fluid passageway of said needle hub.
Claim 16
Dependent Claim
21 words
The invention of claim 1, wherein said catheter end of said catheter hub includes a catheter consisting of a polymeric material.
Claim 17
Dependent Claim
34 words
The invention of claim 2, wherein said connection end includes a plurality of threads for mating with said plurality of threads of said first end to attach said catheter hub to said needle protector.
Claim 18
Dependent Claim
17 words
The invention of claim 1, wherein said connection end defines an annular shoulder adjacent said valve chamber.
Claim 19
Dependent Claim
24 words
The invention of claim 1, wherein said housing includes a top and a bottom, one of said hub walls being planar at said bottom.
Claim 20
Dependent Claim
27 words
The invention of claim 1, wherein said housing includes a plurality of hub walls arranged in a second geometric configuration, said second geometric configuration is a polygon.
Claim 21
Dependent Claim
11 words
The invention of claim 19, wherein said polygon is a hexagon.
Claim 22
Dependent Claim
17 words
The invention of claim 1, wherein said housing includes a valve seat positioned in said valve chamber.
Claim 23
Dependent Claim
29 words
The invention of claim 21, wherein said valve seat includes a plurality of fluid openings to allow for fluid flow between said valve chamber and said second fluid passageway.
Claim 24
Dependent Claim
28 words
The invention of claim 1, wherein said valve means consists of a valve comprised of resilient material, said valve extending substantially between said first and second fluid passageways.
Claim 25
Dependent Claim
75 words
The invention of claim 17, wherein said valve means consists of a valve comprised of resilient material having a substantially cylindrical configuration, said valve having an actuator end and a housing end, said actuator end being engaged with said annular shoulder, whereby actuation of said actuator means causes said actuator end to become disengaged from said shoulder to allow for fluid flow through said first fluid passageway, said valve chamber and said second fluid passageway.
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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) | 2002-09-20 | 2003-03-22 | 2003-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-09-20 | 2007-03-22 | 2007-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-09-20 | 2011-03-22 | 2011-09-21 | $7700.00 | Window Closed / Lapsed |