Patent US5015235A successfully refreshed from Google Patents.
US5015235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Syringe needle combination
Assignee: National Flooring Equipment Inc
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Filing: 1989-09-15
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Granted: 1991-05-14
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Expires: 2009-09-15
Abstract
Abstract A needle (11) for a hypodermic syringe is a force fit on a hub (12) which can be secured onto a container for the fluid to be injected. A cover (13) fits over a boss on the hub and provides an enclosure for the needle. The assembly of hub, needle and cover are housed in a container (14) which fits around the hub (12). To control the depth of penetration of the needle, the user selects an adjuster (15) from a set of adjusters of different sizes and fits it over a part of the hub.
Inventors
- 👤 David D. Crossman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:24
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/46; A61M5/002; A61M5/178; A61M5/31; A61M5/32; A61M5/3202; A61M5/3205; A61M5/321; A61M5/3213
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
94 words
A method of injecting a substance into a patient, the method comprising: (a) providing a needle combination including a needle for a syringe, a hub containing a boss carrying the needle, a depth adjuster and a cover which fits over the boss on the hub and defines an enclosure for the needle; (b) removably fitting the depth adjuster on the hub, so as to set the degree of penetration of the needle in the patient; (c) removing the cover; (d) inserting the needle into the patient; and (e) injecting the substance through the needle.
Claim 2
Independent Claim
94 words
A method of injecting a substance into a patient, the method comprising: (a) providing a needle combination including a needle for a syringe, a hub containing a boss carrying the needle, a depth adjuster and a cover which fits over the boss on the hub and defines an enclosure for the needle; (b) removably fitting the depth adjuster on the hub, so as to set the degree of penetration of the needle in the patient; (c) removing the cover; (d) inserting the needle into the patient; and (e) injecting the substance through the needle.
Claim 3
Dependent Claim
17 words
A method as claimed in claim 1 wherein the needle is a tight fit in the hub.
Claim 4
Dependent Claim
22 words
A method as claimed in claim 1 wherein the needle combination includes screw thread means for attaching the hub on the syringe.
Claim 5
Dependent Claim
30 words
A method as claimed in claim 1 wherein the depth adjuster is one of a number of alternative adjusters, each of which is of a different length from the others.
Claim 6
Dependent Claim
29 words
A method as claimed in claim 1 wherein the depth adjuster is in the form of a sleeve which is fitted to the hub and spaced around the needle.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-05-13 | 1994-11-12 | 1995-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-05-13 | 1998-11-12 | 1999-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-05-13 | 2002-11-12 | 2003-05-14 | $7700.00 | Window Closed / Lapsed |