US6200296B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
5mm injection needle
Assignee: Becton Dickinson and Co
•
Filing: 1997-06-05
•
Granted: 2001-03-13
•
Expires: 2017-06-05
Abstract
Abstract A needle assembly for a medication delivery pen or hypodermic syringe having a usable length of 5 mm (0.197″) that delivers a dose of medication to a proper location in the tissue “strata” or subcontinuous layer without the need for the user or patient to “pinch-up” the skin layer during the injection.
Inventors
- 👤 Michael A. Dibiasi
- 👤 Robert E. West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:27
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/34; A61M5/347; A61M5/42; A61M5/24; A61M5/348
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
67 words
A needle assembly comprising: a needle hub; and a 31 gauge needle cannula mounted in said needle hub, said cannula having a distal tip and a usable length between said needle hub and said distal tip of 0.197 inches so to deliver a dose of medication to a proper location in a tissue without the need for a user to pinch-up a skin layer during the injection.
Claim 2
Dependent Claim
67 words
A needle assembly comprising: a needle hub; and a 31 gauge needle cannula mounted in said needle hub, said cannula having a distal tip and a usable length between said needle hub and said distal tip of 0.197 inches so to deliver a dose of medication to a proper location in a tissue without the need for a user to pinch-up a skin layer during the injection.
Claim 3
Dependent Claim
19 words
A needle assembly according to claim 1 , wherein said cannula has an outer diameter less than 0.0105 inches.
Claim 4
Dependent Claim
26 words
A needle assembly according to claim 1 , wherein said cannula has an outer diameter no smaller than 0.010 inches and no larger than 0.0105 inches.
Claim 5
Dependent Claim
26 words
A needle assembly according to claim 1 , wherein said cannula has an inner diameter no smaller than 0.0045 inches and no larger than 0.006 inches.
Claim 6
Dependent Claim
16 words
A needle assembly according to claim 1 , wherein said cannula is made of stainless steel.
Claim 7
Dependent Claim
26 words
A needle assembly according to claim 1 , wherein said cannula has a wall thickness no smaller than 0.00225 inches and no larger than 0.00275 inches.
Claim 8
Dependent Claim
96 words
A hypodermic syringe comprising: a housing having a distal end; a plunger slidably mounted within said housing; and a needle assembly mounted on said distal end of said housing, said needle assembly comprising: a needle hub; and a 31 gauge needle cannula mounted in said needle hub, said cannula having a distal tip and a usable length between said needle hub and said distal tip of 0.197 inches so to deliver a dose of medication to a proper location in a tissue without the need for a user to pinch-up a skin layer during the injection.
Claim 9
Dependent Claim
96 words
A hypodermic syringe comprising: a housing having a distal end; a plunger slidably mounted within said housing; and a needle assembly mounted on said distal end of said housing, said needle assembly comprising: a needle hub; and a 31 gauge needle cannula mounted in said needle hub, said cannula having a distal tip and a usable length between said needle hub and said distal tip of 0.197 inches so to deliver a dose of medication to a proper location in a tissue without the need for a user to pinch-up a skin layer during the injection.
Claim 10
Dependent Claim
18 words
A needle assembly according to claim 7 , wherein said needle assembly is permanently mounted on said housing.
Claim 11
Dependent Claim
18 words
A needle assembly according to claim 7 , wherein said needle assembly is removably mounted to said housing.
Claim 12
Dependent Claim
91 words
A pen needle assembly for use with a medication delivery pen, said pen needle assembly comprising: a needle hub for mounting said pen needle on a medication delivery pen; and a 31 gauge needle cannula mounted in said needle hub and having a proximal tip, a distal tip, and a usable length between said needle hub and said distal tip of 0.197 inches so to deliver a dose of medication to a proper location in a tissue without the need for a user to pinch-up a skin layer during the injection.
Claim 13
Dependent Claim
91 words
A pen needle assembly for use with a medication delivery pen, said pen needle assembly comprising: a needle hub for mounting said pen needle on a medication delivery pen; and a 31 gauge needle cannula mounted in said needle hub and having a proximal tip, a distal tip, and a usable length between said needle hub and said distal tip of 0.197 inches so to deliver a dose of medication to a proper location in a tissue without the need for a user to pinch-up a skin layer during the injection.
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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) | 2004-03-12 | 2004-09-11 | 2005-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-03-12 | 2008-09-11 | 2009-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-03-12 | 2012-09-11 | 2013-03-13 | $7700.00 | Window Closed / Lapsed |