Patent US3878846A successfully refreshed from Google Patents.
US3878846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic syringe with parts disposable after use
Assignee: Laboratoire Spad
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Filing: 1972-11-22
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Granted: 1975-04-22
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Expires: 1992-11-22
Abstract
Abstract A hypodermic syringe of the kind comprising an assemblable syringe head and syringe body; a protective case for the syringe body; a cartridge containing a dose of anaesthetic intended for support in the syringe body; and a sterilization and presentation support for the syringe body, cases and cartridges. The hypodermic syringe having a head with a tip adapted for connection to the body, a rod slidingly mounted in the axial direction in the tip, gripping elements fixed to the tip and to the exterior free end of the rod, the body being hollow, and adapted to receive a cartridge of anaesthetic, having at one end threads for being fixed to the tip and adapted at the other end to receive a double needle holder, the gripping element fixed to the tip being mounted on the latter adjustably in the longitudinal direction with respect to the gripping element fixed to the exterior end of the rod.
Inventors
- 👤 Henri Rimbaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:05
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/3129; A61M5/3137; A61M5/24; A61M2005/2403; A61M2005/2407; A61M5/2455; A61M5/2466; A61M2005/247; A61M2005/2485; A61M2005/2488; A61M2205/00; A61M2205/58; A61M2205/586
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
193 words
A hypodermic syringe comprising: a syringe head including a tip having an axial bore extending therethrough, a hollow sterile syringe body connected to said head, a rod slidably mounted in said bore in said head and including a portion extending externally of said head, a gripping element fixed to said portion of the rod extending externally of the head, a counter-gripping element, means mounted on said head for adjustably securing said counter-gripping element thereto in an axially adjustable position with respect to said gripping element on said rod, means in said body for storing an injectible solution and operated by displacement of said rod, and means for dispensing said solution from said body, said tip comprising an elongated sleeve in which the rod slides, said means for adjustably securing said gripping element comprising a set of rings stacked on the said sleeve, locking means for locking the rings in the axial direction fitted at one end of the sleeve, said counter-gripping element being constituted by a disc interposed between two rings of said set of rings, said locking means being demountable to enable the disc to be interposed between any two other rings.
Claim 2
Dependent Claim
193 words
A hypodermic syringe comprising: a syringe head including a tip having an axial bore extending therethrough, a hollow sterile syringe body connected to said head, a rod slidably mounted in said bore in said head and including a portion extending externally of said head, a gripping element fixed to said portion of the rod extending externally of the head, a counter-gripping element, means mounted on said head for adjustably securing said counter-gripping element thereto in an axially adjustable position with respect to said gripping element on said rod, means in said body for storing an injectible solution and operated by displacement of said rod, and means for dispensing said solution from said body, said tip comprising an elongated sleeve in which the rod slides, said means for adjustably securing said gripping element comprising a set of rings stacked on the said sleeve, locking means for locking the rings in the axial direction fitted at one end of the sleeve, said counter-gripping element being constituted by a disc interposed between two rings of said set of rings, said locking means being demountable to enable the disc to be interposed between any two other rings.
Claim 3
Dependent Claim
193 words
A hypodermic syringe comprising: a syringe head including a tip having an axial bore extending therethrough, a hollow sterile syringe body connected to said head, a rod slidably mounted in said bore in said head and including a portion extending externally of said head, a gripping element fixed to said portion of the rod extending externally of the head, a counter-gripping element, means mounted on said head for adjustably securing said counter-gripping element thereto in an axially adjustable position with respect to said gripping element on said rod, means in said body for storing an injectible solution and operated by displacement of said rod, and means for dispensing said solution from said body, said tip comprising an elongated sleeve in which the rod slides, said means for adjustably securing said gripping element comprising a set of rings stacked on the said sleeve, locking means for locking the rings in the axial direction fitted at one end of the sleeve, said counter-gripping element being constituted by a disc interposed between two rings of said set of rings, said locking means being demountable to enable the disc to be interposed between any two other rings.
Claim 4
Dependent Claim
193 words
A hypodermic syringe comprising: a syringe head including a tip having an axial bore extending therethrough, a hollow sterile syringe body connected to said head, a rod slidably mounted in said bore in said head and including a portion extending externally of said head, a gripping element fixed to said portion of the rod extending externally of the head, a counter-gripping element, means mounted on said head for adjustably securing said counter-gripping element thereto in an axially adjustable position with respect to said gripping element on said rod, means in said body for storing an injectible solution and operated by displacement of said rod, and means for dispensing said solution from said body, said tip comprising an elongated sleeve in which the rod slides, said means for adjustably securing said gripping element comprising a set of rings stacked on the said sleeve, locking means for locking the rings in the axial direction fitted at one end of the sleeve, said counter-gripping element being constituted by a disc interposed between two rings of said set of rings, said locking means being demountable to enable the disc to be interposed between any two other rings.
Claim 5
Dependent Claim
26 words
A syringe as claimed in claim 1, comprising a second disc interposed between said rings of said set at a point remote from the first disc.
Claim 6
Dependent Claim
54 words
A syringe as claimed in claim 1, comprising a second disc interposed between said rings of said set at a point remote from the first disc, the two said discs having a frustoconical profile, one being flared towards the gripping element fixed to the rod and the other being flared in the opposite direction.
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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) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |