US5122121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety needle assembly
Assignee: Angiodynamics Inc
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Filing: 1990-08-30
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Granted: 1992-06-16
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Expires: 2010-08-30
Abstract
Abstract A safety needle for use in the vascular system. The needle has a first end adapted to be placed in the vascular system and a second end with a stopper and adapted to pass a guide wire. The needle has a port positioned between the first and second needle ends. The port is adapted to be connected to a blood collection device. The blood which enters the first end of the needle is diverted through the port to the blood collection device which avoids having the blood reach the second end of the needle.
Inventors
- 👤 Thomas A. Sos
- 👤 Eamonn Hobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:34
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/06; A61M25/0693
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
142 words
A needle assembly useable with a guide wire in the vascular system comprising: an elongated needle having a first end shaped and dimensioned for introduction into the vascular system and a second end capable of receiving a guide wire therethrough, said needle having a port positioned between said first and second ends; stopper means for sealing said second end, said stopper means being formed such that a guide wire may be passed therethrough said stopper means preventing blood flow outwardly from said second needle end; a tube having a first end and a second end, said tube connectable at its first end to said needle port; and a bag connectable to said second end of said tube whereby blood entering said first needle end flow through said port into said bag thus preventing said blood form flowing to said second needle end.
Claim 2
Dependent Claim
142 words
A needle assembly useable with a guide wire in the vascular system comprising: an elongated needle having a first end shaped and dimensioned for introduction into the vascular system and a second end capable of receiving a guide wire therethrough, said needle having a port positioned between said first and second ends; stopper means for sealing said second end, said stopper means being formed such that a guide wire may be passed therethrough said stopper means preventing blood flow outwardly from said second needle end; a tube having a first end and a second end, said tube connectable at its first end to said needle port; and a bag connectable to said second end of said tube whereby blood entering said first needle end flow through said port into said bag thus preventing said blood form flowing to said second needle end.
Claim 3
Dependent Claim
27 words
The needle assembly of claim 1 wherein said needle includes a hub segment and wherein said port and said stopper means are positioned in said hub segment.
Claim 4
Dependent Claim
20 words
The needle assembly of claim 2 wherein said hub segment has a larger inner and outer diameter than said needle.
Claim 5
Dependent Claim
20 words
The needle assembly of claim 2 wherein said hub segment is formed separately from the rest of said elongated needle.
Claim 6
Dependent Claim
15 words
The needle assembly of claim 1 wherein said stopper means is a rubber diaphragm disc.
Claim 7
Dependent Claim
20 words
The needle assembly of claim 1 and further including a stylet shaped and dimensioned to be received in said needle.
Claim 8
Dependent Claim
21 words
The needle assembly of claim 1 wherein said tube is sufficiently pliable to enable an arterial pulse to be felt therethrough.
Claim 9
Dependent Claim
19 words
The needle assembly of claim 1 wherein said tube is sufficiently transparent to permit blood to be seen therein.
Claim 10
Dependent Claim
19 words
The needle assembly of claim 1 wherein said bag is sufficiently transparent to permit blood to be seen therein.
Claim 11
Dependent Claim
20 words
The needle assembly of claim 9 wherein said hub segment is formed separately from the rest of said elongated needle.
Claim 12
Dependent Claim
16 words
The needle assembly of claim 1 wherein said tube and said bag are formed of silicone.
Claim 13
Dependent Claim
17 words
The needle assembly of claim 1 wherein said tube and said bag are formed of polyvinyl chloride.
Claim 14
Dependent Claim
34 words
The needle assembly of claim 1 and further including a blood collection device connected to said needle port, said blood collection device includes a one-way valve to prevent blood from exiting from said device.
Claim 15
Dependent Claim
19 words
The needle assembly of claim 1 wherein said bag includes a one-way valve to prevent blood from exiting therefrom.
Claim 16
Dependent Claim
48 words
The needle assembly of claim 1 and further including a three way stopcock having a first port connectable to said bag, a second port connectable to said tube, and a third port adapted for connection to a syringe to enable the use of test injections of contrast media.
Claim 17
Dependent Claim
70 words
The needle assembly of claim 1 further including a stylet wherein said stylet and said needle first end are both beveled and wherein said stylet and said needle first end are both formed such that when said stylet is fully advanced in said needle the beveled ends of said stylet and needle align to form a single oblique plane relative to a common annular axis of the stylet and needle.
References Cited (Backward Citations)
DE418525C
Cited
US2346334A
Cited
US2564977A
Cited
US3406685A
Cited
US3474786A
Cited
US3757771A
Cited
US4513754A
Cited
US4504265A
Cited
US4700694A
Cited
US4998977A
Cited
US4808157A
Cited
US4838875A
Cited
US4935008A
Cited
US5000745A
Cited
US5046509A
Cited
US5000740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-06-16 | 1995-12-16 | 1996-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-06-16 | 1999-12-16 | 2000-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-06-16 | 2003-12-16 | 2004-06-16 | $7700.00 | Window Closed / Lapsed |