US5149328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intravenous needle assembly having interlocking wings
Assignee: Hospira Inc
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Filing: 1990-12-31
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Granted: 1992-09-22
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Expires: 2010-12-31
Abstract
Abstract A winged needle assembly includes a steel needle, a plastic hub molded to secure a portion of the needle, flexible wings attached to the hub for manual manipulation of the needle, and an interlocking pattern of grooves or ridges on the wing surfaces to prevent relative movement of the wings when flexed together.
Inventors
- 👤 Juergen H. Zaha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:00
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/06; A61M25/0612; A61M25/0637
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
63 words
A winged needle assembly comprising: a steel needle: a plastic hub molded to secure a portion of the needle: flexible wings radially attached to the hub for manual manipulation of the needle: and opposed mirror image patterns of grooves on said flexible wings for interlocking opposed wings to each other when said wings are flexed together to prevent relative movement of said needle.
Claim 2
Dependent Claim
63 words
A winged needle assembly comprising: a steel needle: a plastic hub molded to secure a portion of the needle: flexible wings radially attached to the hub for manual manipulation of the needle: and opposed mirror image patterns of grooves on said flexible wings for interlocking opposed wings to each other when said wings are flexed together to prevent relative movement of said needle.
Claim 3
Dependent Claim
64 words
A winged needle assembly comprising: a steel needle: a plastic hub molded to secure a portion of the needle: flexible wings radially attached to the hub for manual manipulation of the needle: and opposed mirror image patterns of raised ridges on said flexible wings for interlocking opposed wings to each other when said wings are flexed together to prevent relative movement of said needle.
Claim 4
Dependent Claim
64 words
A winged needle assembly comprising: a steel needle: a plastic hub molded to secure a portion of the needle: flexible wings radially attached to the hub for manual manipulation of the needle: and opposed mirror image patterns of raised ridges on said flexible wings for interlocking opposed wings to each other when said wings are flexed together to prevent relative movement of said needle.
References Cited (Backward Citations)
US3670727A
Cited
US3640275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-09-22 | 1996-03-23 | 1996-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-09-22 | 2000-03-23 | 2000-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-09-22 | 2004-03-23 | 2004-09-22 | $7700.00 | Window Closed / Lapsed |