US3559645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable syringe
Assignee: Individual
•
Filing: 1968-07-01
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Granted: 1971-02-02
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Expires: 1988-07-01
Abstract
Abstract A syringe contains a premeasured amount of medication in a hermetically sealed syringe which has a stiletto inserted in the needle and retained in the cap of the syringe, thereby being removed from the needle as the cap is removed.
Inventors
- 👤 Kathryn C Schaller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:54
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/281; A61M5/282; A61M5/31; A61M5/32; A61M5/3202; A61M2005/3103; A61M2005/3107; A61M2005/311
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
194 words
A single use disposable syringe comprising an integral, needlelike member having an enlarged base portion and an elongated needle portion; said needle like member having a bore therein extending through the entire length of said base portion and said needle portion; said bore having a substantially constant cross-sectional diameter extending along the entire length of saId needle portion and along only a portion of the length of the base portion; said bore flaring out at its terminus in the base portion to form a rounded, expanded recess; a collapsible container attached to said base portion and having a first opening and a second opening whereby a passage is created allowing free communication between the outside of the container and the concave recess in the base portion; a cap covering said needlelike member and attached to the base portion; a stiletto attached to said cap and located within said bore, wherein the said stiletto having a cross-sectional diameter substantially equivalent to the cross-sectional diameter of said bore as it extends along the length of said needle portion; and wherein said rounded, expanded recess is adapted to receive and guide the stiletto into the needle portion.
Claim 2
Dependent Claim
194 words
A single use disposable syringe comprising an integral, needlelike member having an enlarged base portion and an elongated needle portion; said needle like member having a bore therein extending through the entire length of said base portion and said needle portion; said bore having a substantially constant cross-sectional diameter extending along the entire length of saId needle portion and along only a portion of the length of the base portion; said bore flaring out at its terminus in the base portion to form a rounded, expanded recess; a collapsible container attached to said base portion and having a first opening and a second opening whereby a passage is created allowing free communication between the outside of the container and the concave recess in the base portion; a cap covering said needlelike member and attached to the base portion; a stiletto attached to said cap and located within said bore, wherein the said stiletto having a cross-sectional diameter substantially equivalent to the cross-sectional diameter of said bore as it extends along the length of said needle portion; and wherein said rounded, expanded recess is adapted to receive and guide the stiletto into the needle portion.
Claim 3
Dependent Claim
17 words
A syringe as set forth in claim 1 wherein said container is filled with an injectable fluid.
Claim 4
Dependent Claim
21 words
A syringe as set forth in claim 2 wherein said stiletto is attached to the cap by a heat sealing method.
Claim 5
Independent Claim
85 words
A method for assembling a disposable syringe having a hollow needle with a base portion, a collapsible container of injectable fluid, a closure cap and a stiletto adapted to plug the opening comprising: attaching the collapsible container to the base portion; releasingly attaching the closure cap to the base portion; inserting the stiletto first through the container, then through the base portion, and then through the needle; fastening the stiletto to the closure cap; filling the container with an injectable liquid; and sealing said container.
Claim 6
Independent Claim
85 words
A method for assembling a disposable syringe having a hollow needle with a base portion, a collapsible container of injectable fluid, a closure cap and a stiletto adapted to plug the opening comprising: attaching the collapsible container to the base portion; releasingly attaching the closure cap to the base portion; inserting the stiletto first through the container, then through the base portion, and then through the needle; fastening the stiletto to the closure cap; filling the container with an injectable liquid; and sealing said container.
Claim 7
Dependent Claim
21 words
The method as set forth in claim 4 wherein the stiletto is fastened to the cap by a heat sealing means.
Claim 8
Dependent Claim
17 words
The method as set forth in claim 5 wherein the container is sealed by heat sealing means.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |