US4943282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shield for devices capable of penetrating skin
Assignee: Individual
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Filing: 1989-03-13
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Granted: 1990-07-24
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Expires: 2009-03-13
Abstract
Abstract A shield to selectively surround a needle or other sharp protrusion on a medical device, such as a syringe, to inhibit accidental injury.
Inventors
- 👤 Mary J. Page
- 👤 Benton W. Hamilton
- 👤 Bruce L. Skiles
- 👤 Robert V. Reinhart, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:43
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/3205; A61M5/321; A61M5/3243; A61M5/3271; A61M5/3272
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
206 words
An apparatus for inhibiting accidental injury to a user of a device having a part thereof capable of penetrating skin of said user, said apparatus comprising a sleeve slidably and rotatably engaging a portion of said device adjacent to said penetrating part; first means connected to said sleeve for retaining said sleeve at a first position on said portion of said device whereby the penetrating part is exposed, and second means connected to said sleeve for retaining said sleeve at a second position on said portion of said device whereby a part of the sleeve substantially surrounds the penetrating part, the first and second sleeve retaining means comprising at least one groove inscribed along an axial length of an inside surface of said sleeve, each groove being substantially circumferentially equidistant from any other groove, at least one ridge carried on said adjacent portion of said device, each ridge slidably engaging one of the at least one grooves, at least one slot along the axial length of said tube, each slot being substantially circumferentially equidistant from the at least one groove, and at least one peg carried on said penetrating part adjacent portion of said device, each peg slidably engaging one of the at least one slots.
Claim 2
Independent Claim
206 words
An apparatus for inhibiting accidental injury to a user of a device having a part thereof capable of penetrating skin of said user, said apparatus comprising a sleeve slidably and rotatably engaging a portion of said device adjacent to said penetrating part; first means connected to said sleeve for retaining said sleeve at a first position on said portion of said device whereby the penetrating part is exposed, and second means connected to said sleeve for retaining said sleeve at a second position on said portion of said device whereby a part of the sleeve substantially surrounds the penetrating part, the first and second sleeve retaining means comprising at least one groove inscribed along an axial length of an inside surface of said sleeve, each groove being substantially circumferentially equidistant from any other groove, at least one ridge carried on said adjacent portion of said device, each ridge slidably engaging one of the at least one grooves, at least one slot along the axial length of said tube, each slot being substantially circumferentially equidistant from the at least one groove, and at least one peg carried on said penetrating part adjacent portion of said device, each peg slidably engaging one of the at least one slots.
Claim 3
Dependent Claim
18 words
An apparatus according to claim 1 wherein the at least one groove is curved along a length thereof.
Claim 4
Dependent Claim
38 words
An apparatus according to claim 2 wherein the apparatus further comprises means connected to the sleeve for releasably engaging a container for receiving a discharge from the device while the penetrating part is substantially surrounded by the sleeve.
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) | 1993-07-23 | 1994-01-22 | 1994-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-07-23 | 1998-01-22 | 1998-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-07-23 | 2002-01-22 | 2002-07-24 | $7700.00 | Window Closed / Lapsed |