US4419098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle shield
Assignee: Becton Dickinson and Co
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Filing: 1981-11-12
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Granted: 1983-12-06
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Expires: 2001-11-12
Abstract
Abstract A needle shield is provided for a needle holding assembly, such as a blood collection assembly, which reduces the possibility of contamination to the user by providing a radially positioned guidance groove at the entry of the shield for easy guidance of the used needle point back into the shield.
Inventors
- 👤 Michael C. Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150221; A61B5/150259; A61B5/150374; A61B5/150381; A61B5/150389; A61B5/150473; A61B5/150496; A61B5/150534; A61B5/15058; A61B5/150587; A61B5/150694; A61B5/150702; A61B5/150717; A61B5/150732; A61B5/153; A61B5/154; A61B5/155; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3202; A61B5/150572
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
74 words
A needle shield for a needle holding assembly, characterized by (a) a longitudinally extending housing defining an elongated chamber therein; (b) said housing having a closed end and an open end; (c) at least one radial slot in said housing extending from said open end to a point spaced from said open end; and (d) said radial slot providing communication between said elongated chamber and outside said shield throughout the length of said slot.
Claim 2
Dependent Claim
74 words
A needle shield for a needle holding assembly, characterized by (a) a longitudinally extending housing defining an elongated chamber therein; (b) said housing having a closed end and an open end; (c) at least one radial slot in said housing extending from said open end to a point spaced from said open end; and (d) said radial slot providing communication between said elongated chamber and outside said shield throughout the length of said slot.
Claim 3
Dependent Claim
26 words
The apparatus of claim 1, further characterized by (a) a plurality of circumferentially spaced grooves adjacent said open end for cooperating with a needle holding assembly.
Claim 4
Dependent Claim
121 words
A needle holding assembly, characterized by (a) a hub; (b) a needle extending from said hub; (c) a needle shield for said needle; (d) cooperating means on said needle shield and said hub for holding said needle shield on said hub; (e) said needle shield comprising (1) a longitudinal needle shield body defining an elongated chamber therein; (2) said elongated chamber for receiving said needle; (3) said needle shield body having an open end and a closed end; (4) at least one radial slot in said body extending from said open end to a point spaced from said open end; and (5) said radial slot providing communication between said elongated chamber and outside said shield throughout the length of said slot.
Claim 5
Dependent Claim
121 words
A needle holding assembly, characterized by (a) a hub; (b) a needle extending from said hub; (c) a needle shield for said needle; (d) cooperating means on said needle shield and said hub for holding said needle shield on said hub; (e) said needle shield comprising (1) a longitudinal needle shield body defining an elongated chamber therein; (2) said elongated chamber for receiving said needle; (3) said needle shield body having an open end and a closed end; (4) at least one radial slot in said body extending from said open end to a point spaced from said open end; and (5) said radial slot providing communication between said elongated chamber and outside said shield throughout the length of said slot.
Claim 6
Dependent Claim
41 words
The apparatus of claim 3, further characterized by (a) said cooperating means includes a plurality of circumferentially spaced cooperating grooves in said elongated chamber adjacent the open end thereof; and (b) a plurality of cooperating ribs on said needle holding hub.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-12-05 | 1987-06-06 | 1987-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-05 | 1991-06-06 | 1991-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-05 | 1995-06-06 | 1995-12-06 | $7700.00 | Window Closed / Lapsed |