Patent US4518387A successfully refreshed from Google Patents.
US4518387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Syringe injection apparatus with adjustable dosage indicator
Assignee: Individual
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Filing: 1982-12-27
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Granted: 1985-05-21
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Expires: 2002-12-27
Abstract
Abstract An invention which allows the patient to self-inject himself. The invention serves as a two-fold unit. First, the invention allows the patient to measure out the exact amount of medical fluid to be used. Secondly, the invention allows the patient to inject himself with a minimum amount of discomfort or pain without having to remove the syringe from the apparatus.
Inventors
- 👤 Frank Murphy
- 👤 William F. Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:05
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/42; A61M5/422; A61M5/178; A61M5/31; A61M5/315; A61M5/31565; A61M5/3159; A61M5/31591; A61M2005/3125; A61M2005/3126; A61M5/31501; A61M2005/31508; A61M2205/00; A61M2205/58; A61M2205/583; A61M2205/585; A61M5/3129; A61M5/31533; A61M5/31545; A61M5/31548; A61M5/3155; A61M5/31551; A61M5/31561; A61M5/31576; A61M5/31578; A61M5/3158
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
79 words
A manual syringe injection apparatus, comprising: a cylindrical tube; a cylindrical needle guide attached to said tube by a sliding means at one end of said tube, said needle guide separating upon contact with a surface to tension such surface; an elevator ejector attached to said tube in the center section of said tube; and a piston assembly inserted inside of the other end of said tube, wherein a syringe is locked into said tube by said elevator ejector.
Claim 2
Dependent Claim
79 words
A manual syringe injection apparatus, comprising: a cylindrical tube; a cylindrical needle guide attached to said tube by a sliding means at one end of said tube, said needle guide separating upon contact with a surface to tension such surface; an elevator ejector attached to said tube in the center section of said tube; and a piston assembly inserted inside of the other end of said tube, wherein a syringe is locked into said tube by said elevator ejector.
Claim 3
Dependent Claim
36 words
A manual syringe injection apparatus in claim 1, wherein a pair of needle guides are attached to said outer needle guide adjuster to aid in loading and injecting of said syringe and in tensioning recipient surface.
Claim 4
Dependent Claim
29 words
A manual syringe injection apparatus in claim 2, wherein said tube comprises: a nose sleeve section; a housing section; and a stopper sleeve section threaded on its outer perimeter.
Claim 5
Dependent Claim
44 words
A manual syringe injection apparatus in claim 3, wherein said outer needle guide adjuster is attached to an outer sleeve and nose section and said elevator ejector is attached to said housing section and said piston assembly is inserted into said stopper sleeve section.
Claim 6
Dependent Claim
24 words
A manual syringe injection apparatus in claim 3, wherein a dosage stop and an auxiliary dosage stop are attached to said stopper sleeve section.
Claim 7
Dependent Claim
35 words
A manual syringe injection apparatus comprising: a hollow conical vial adapter, wherein said adapter has one end that attaches to a standard medical vial and the other end attaches to the apparatus of claim 1.
References Cited (Backward Citations)
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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) | 1988-05-20 | 1988-11-19 | 1989-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-05-20 | 1992-11-19 | 1993-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-05-20 | 1996-11-19 | 1997-05-21 | $7700.00 | Window Closed / Lapsed |