Patent US4944731A successfully refreshed from Google Patents.
US4944731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Needle protection
Assignee: Individual
•
Filing: 1989-03-14
•
Granted: 1990-07-31
•
Expires: 2009-03-14
Abstract
Abstract The invention provides a needle protector for a device incorporating a needle comprising at least one arm mounted or mountable at or generally adjacent to a hub, or blunt end of the needle, and hinged or articulated so as to be capable of folding along the needle such as to shield and protect the tip thereof, and being positively securable in that folded disposition.
Inventors
- 👤 John Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:52
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3205; A61M5/321; A61M5/3216; A61M2005/3217
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
161 words
A needle protector for use with a hypodermic syringe which has a needle, a cylindrical body with a hub connecting the needle to the body and a plunger for movement within the body, the needle protector comprising a pair of arms mounted or mountable at or generally adjacent to the hub of the syringe and diametrically opposed, one to the other, on each side of the syringe, each arm being hinged or articulated so as to be capable of folding along the needle such as to shield and protect the tip thereof and being positively securable in that folded disposition, the arms additionally being pivotable away from the needle to lie alongside the body of the syringe, with the arms incorporating angled tabs or flaps constituting finger tabs for engagement by the first and second fingers respectively of a user on either side of the syringe for operation thereof by depression of the syringe plunger with the thumb of the user.
Claim 2
Dependent Claim
161 words
A needle protector for use with a hypodermic syringe which has a needle, a cylindrical body with a hub connecting the needle to the body and a plunger for movement within the body, the needle protector comprising a pair of arms mounted or mountable at or generally adjacent to the hub of the syringe and diametrically opposed, one to the other, on each side of the syringe, each arm being hinged or articulated so as to be capable of folding along the needle such as to shield and protect the tip thereof and being positively securable in that folded disposition, the arms additionally being pivotable away from the needle to lie alongside the body of the syringe, with the arms incorporating angled tabs or flaps constituting finger tabs for engagement by the first and second fingers respectively of a user on either side of the syringe for operation thereof by depression of the syringe plunger with the thumb of the user.
Claim 3
Dependent Claim
29 words
A needle protector as claimed in claim 1 wherein the arms are provided with clips for engaging the needle or the other arm when in the needle protective position.
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) | 1993-07-30 | 1994-01-29 | 1994-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-30 | 1998-01-29 | 1998-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-30 | 2002-01-29 | 2002-07-31 | $7700.00 | Window Closed / Lapsed |