US3892237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-injecting syringe
Assignee: Individual
•
Filing: 1974-04-17
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Granted: 1975-07-01
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Expires: 1994-04-17
Abstract
Abstract An injecting device having a protecting casing and an empty plastic ampoule therein with a needle fitted onto the empty ampoule in such a manner that its canal is open into said ampoule. A glass ampoule containing the liquid to be injected is sealed inside the casing, and an inclined member is provided for breaking the end of the glass ampoule and filling the plastic ampoule with the liquid from the glass ampoule, and a releasable compression spring is used for ejecting through the needle the liquid of the plastics ampoule after it has been filled.
Inventors
- 👤 Maurice Steiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:55
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/20; A61M5/2053; A61M5/24; A61M5/2422; A61M5/2425; B; B67; B67B; B67B7/00; B67B7/92; A61M5/31; A61M5/3145
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
127 words
An injecting device comprising a protecting casing, and inside this casing an empty plastics collapsible ampoule, a needle having a canal and fitted onto said empty ampoule, said needle canal opening into said empty ampoule, a glass ampoule sealed inside the casing and containing the liquid to be injected, means to break the end of the glass ampoule, means to provide for the filling of the collapsible ampoule with the liquid coming out of the glass ampoule, mechanical resilient means for both propelling said needle through said casing and ejecting through said needle the liquid of the collapsible ampoule by compressing said collapsible ampoule after it has been filled up, compressioning means for said mechanical resilient means, and outside said casing, means for releasing said resilient means.
Claim 2
Dependent Claim
127 words
An injecting device comprising a protecting casing, and inside this casing an empty plastics collapsible ampoule, a needle having a canal and fitted onto said empty ampoule, said needle canal opening into said empty ampoule, a glass ampoule sealed inside the casing and containing the liquid to be injected, means to break the end of the glass ampoule, means to provide for the filling of the collapsible ampoule with the liquid coming out of the glass ampoule, mechanical resilient means for both propelling said needle through said casing and ejecting through said needle the liquid of the collapsible ampoule by compressing said collapsible ampoule after it has been filled up, compressioning means for said mechanical resilient means, and outside said casing, means for releasing said resilient means.
Claim 3
Dependent Claim
85 words
An injecting device as in claim 1, wherein said means to provide for the filling of the collapsible ampoule comprises an obturating member for said empty ampoule slidably mounted in said casing and having an axial canal, a blade slidingly mounted in said obturating member and provided with a hole aligned with said axial canal, means urging said blade towards the outside of said obturating member, and means for urging said blade towards tHe inside of said obturating member when said resilient means are released.
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) | 1978-06-30 | 1978-12-30 | 1979-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-30 | 1982-12-30 | 1983-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-30 | 1986-12-30 | 1987-07-01 | $7700.00 | Window Closed / Lapsed |