Patent US3115875A successfully refreshed from Google Patents.
US3115875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge syringes
Assignee: Individual
•
Filing: 1960-11-14
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Granted: 1963-12-31
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar H Wilburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150374; A61B5/150381; A61B5/150473; A61B5/150488; A61B5/150015; A61B5/15003; A61B5/150206; A61B5/150221; A61B5/150236; A61B5/150389; A61B5/150496; A61B5/150534; A61B5/15058; A61B5/150587; A61B5/150694; A61B5/150717; A61B5/153; A61B5/154; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/28; A61B5/150259; A61B5/150351; A61M2005/2403; A61M2005/2407; A61M5/2455; A61M5/2466; A61M2005/247; A61M5/31; A61M5/315; A61M5/31511; A61M5/32; A61M5/3202; A61M5/329; A61M5/3291
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
334 words
AN ASPIRATING CARTRIDGE SYRINGE COMPRISING, IN COMBINATION; A CASING BARREL HAVING A TUBULAR SLEEVE AND AN INTEGRAL CROSSHEAD TOGETHER DEFINING AN AMPULE-RECEIVING ASPIRATING BARREL SOCKET, AND A TUBULAR NECK EXTENDING OUTWARDLY FROM SAID CROSSHEAD; A CARTRIDGE HAVING A TUBULAR SIDE WALL OF CERTAIN INTERNAL DIAMETER TELESCOPICALLY RECEIVED IN SAID SOCKET AND CLOSED AT ITS PROXIMAL END BY AN ELASTIC ASPIRATING HEAD CLOSURE MEANS HAVING AN ANNULAR ELASTIC ENLARGEMENT SNUGLY RECEIVED IN SAID SOCKET AND RECIPROCATIVE THEREIN BY SAID CARTRIDGE SIDE WALL FOR PUMPING ACTION, SAID CARTRIDGE BEING CLOSED FORWARD OF ITS DISTAL END BY A PISTON PLUG SLIDABLE FORWARD THEREIN WITH A CHAMBER DEFINED WITHIN SAID SIDE WALL BETWEEN SAID HEAD CLOSURE MEANS AND PLUG AND WITH SAID HEAD CLOSURE MEANS BEING NEEDLE-PIERCEABLE FOR COMMUNICATION OF THE BORE OF A CANNULA TO THE CHAMBER, THE DISTAL END OF SAID CARTRIDGE SIDE WALL AND SAID PISTON PLUG DEFINING TOGETHER AN OPEN RECESS; A DOUBLE-ENDED CANNULA NEEDLE HAVING A THROUGH BORE EXTENDING FROM END TO END AND MOUNTED IN FLUIDTIGHT MANNER THROUGH SAID CROSSHEAD AND NECK, SAID NEEDLE HAVING AN INNER CARTRIDGE HEAD CLOSURE MEANS-PIERCING END EXTENDING BACK INTO SAID SOCKET IN OPPOSED RELATION TO SAID PIERCEABLE HEAD CLOSURE MEANS AND AN OUTER SUBCUTANEOUSLY INSERTABLE END EXTENDING FROM SAID NECK; AND A NEEDLE-PROTECTIVE, ELONGATED, TUBULAR COVER CAP HAVING AN IMPERFORATE SIDEWALL OF AN EXTERNAL TRANSVERSE DIMENSION LESS THAN THE INTERNAL DIAMETER OF SAID CARTRIDGE SIDEWALL REMOVABLY MOUNTED TO SAID NECK AND HOUSING THEREIN THE OUTER END OF SAID NEEDLE, SAID CAP BEING PROVIDED WITH A TRANSVERSE CLOSED TIP CARRYING A TRANSVERSE AND LATERALLYEXTENDING FLANGE STRUCTURE HAVING FLEXIBLE THIN EDGES SPACED TRANSVERSELY A DISTANCE SLIGHTLY GREATER THAN THE INTERNAL DIAMETER OF SAID CARTRIDGE SIDE WALL, SAID CAP BEING REMOVABLE FOR USE AS PISTON POST MEANS AND SAID TRANSVERSE FLANGE STRUCTURE THEREOF THEN BEING INSERTABLE IN THE DISTAL END RECESS OF SAID CARTRIDGE WITH DISTORTION OF THE FLEXIBLE THIN EDGES WHEREBY THE LATTER GRIPPINGLY ENGAGE SAID CARTRIDGE SIDE WALL TO HOLD SAID PISTON POST MEANS TEMPORARILY ASSEMBLED THERETO.
Claim 2
Dependent Claim
334 words
AN ASPIRATING CARTRIDGE SYRINGE COMPRISING, IN COMBINATION; A CASING BARREL HAVING A TUBULAR SLEEVE AND AN INTEGRAL CROSSHEAD TOGETHER DEFINING AN AMPULE-RECEIVING ASPIRATING BARREL SOCKET, AND A TUBULAR NECK EXTENDING OUTWARDLY FROM SAID CROSSHEAD; A CARTRIDGE HAVING A TUBULAR SIDE WALL OF CERTAIN INTERNAL DIAMETER TELESCOPICALLY RECEIVED IN SAID SOCKET AND CLOSED AT ITS PROXIMAL END BY AN ELASTIC ASPIRATING HEAD CLOSURE MEANS HAVING AN ANNULAR ELASTIC ENLARGEMENT SNUGLY RECEIVED IN SAID SOCKET AND RECIPROCATIVE THEREIN BY SAID CARTRIDGE SIDE WALL FOR PUMPING ACTION, SAID CARTRIDGE BEING CLOSED FORWARD OF ITS DISTAL END BY A PISTON PLUG SLIDABLE FORWARD THEREIN WITH A CHAMBER DEFINED WITHIN SAID SIDE WALL BETWEEN SAID HEAD CLOSURE MEANS AND PLUG AND WITH SAID HEAD CLOSURE MEANS BEING NEEDLE-PIERCEABLE FOR COMMUNICATION OF THE BORE OF A CANNULA TO THE CHAMBER, THE DISTAL END OF SAID CARTRIDGE SIDE WALL AND SAID PISTON PLUG DEFINING TOGETHER AN OPEN RECESS; A DOUBLE-ENDED CANNULA NEEDLE HAVING A THROUGH BORE EXTENDING FROM END TO END AND MOUNTED IN FLUIDTIGHT MANNER THROUGH SAID CROSSHEAD AND NECK, SAID NEEDLE HAVING AN INNER CARTRIDGE HEAD CLOSURE MEANS-PIERCING END EXTENDING BACK INTO SAID SOCKET IN OPPOSED RELATION TO SAID PIERCEABLE HEAD CLOSURE MEANS AND AN OUTER SUBCUTANEOUSLY INSERTABLE END EXTENDING FROM SAID NECK; AND A NEEDLE-PROTECTIVE, ELONGATED, TUBULAR COVER CAP HAVING AN IMPERFORATE SIDEWALL OF AN EXTERNAL TRANSVERSE DIMENSION LESS THAN THE INTERNAL DIAMETER OF SAID CARTRIDGE SIDEWALL REMOVABLY MOUNTED TO SAID NECK AND HOUSING THEREIN THE OUTER END OF SAID NEEDLE, SAID CAP BEING PROVIDED WITH A TRANSVERSE CLOSED TIP CARRYING A TRANSVERSE AND LATERALLYEXTENDING FLANGE STRUCTURE HAVING FLEXIBLE THIN EDGES SPACED TRANSVERSELY A DISTANCE SLIGHTLY GREATER THAN THE INTERNAL DIAMETER OF SAID CARTRIDGE SIDE WALL, SAID CAP BEING REMOVABLE FOR USE AS PISTON POST MEANS AND SAID TRANSVERSE FLANGE STRUCTURE THEREOF THEN BEING INSERTABLE IN THE DISTAL END RECESS OF SAID CARTRIDGE WITH DISTORTION OF THE FLEXIBLE THIN EDGES WHEREBY THE LATTER GRIPPINGLY ENGAGE SAID CARTRIDGE SIDE WALL TO HOLD SAID PISTON POST MEANS TEMPORARILY ASSEMBLED THERETO.
Claim 3
Dependent Claim
319 words
IN A CARTRIDGE SYRINGE A UNITARY CASING STRUCTURE COMPRISING A CASING BARREL MOLDED FROM ELASTIC PLASTIC OF APPRECIABLE RIGIDITY IN RELATIVELY THICK SECTION AND HAVING A TUBULAR SLEEVE AND AN INTEGRAL CROSSHEAD TOGETHER DEFINING AN AMPULE-RECEIVING ASPIRATING BARREL SOCKET, AN INTEGRAL TUBULAR NECK EXTENDING OUTWARDLY AXIALLY OF SAID CROSSHEAD, A NEEDLE-PROTECTIVE ELONGATED TUBULAR COVER CAP HAVING A CLOSED TIP AND AN IMPERFORATE SIDEWALL OF CERTAIN EXTERNAL TRANSVERSE DIMENSION INTEGRALLY CONNECTED TO THE OUTER END OF SAID NECK AND EXTENDING COAXIALLY THEREFROM TO FORM THEREWITH A TUBULAR STRUCTURE, SAID CAP HAVING A NEEDLE-RECEPTIVE ELONGATED CLOSED SPACE THEREIN CONNECTED TO THE BARREL SOCKET BY A NECK BORE, A DOUBLE-ENDED NEEDLE SNUGLY RECEIVED THROUGH THE NECK BORE AND HAVING AN OUTER INJECTIVE END HOUSED IN SAID CAP SPACE AND AN AMPULE-PIERCING INNER END EXTENDING BACK INTO THE BARREL SOCKET, SAID TUBULAR STRUCTURE AT THE CONNECTION OF SAID CAP TO SAID NECK HAVING ITS SIDE WALL ANNULARLY WEAKENED PERMITTING SAID CAP TO BE READILY MANUALLY TWISTED FREE FROM SAID NECK FOR CAP REMOVAL, AN AMPULE HAVING A TUBULAR SIDE WALL OF CERTAIN INTERNAL DIAMETER GREATER THAN THE EXTERNAL TRANSVERSE DIMENSION OF SAID TUBULAR CAP WITH SAID AMPULE TELESCOPED INTO SAID BARREL SOCKET AND HAVING A CLOSED PROXIMAL PISTON END SLIDABLY RECEIVED IN SAID BARREL SOCKET FOR PUMPING ACTION THEREIN AND AN INITIALLY OPEN DISTAL END CLOSED BY A PISTON PLUG SLIDABLY MOUNTED THEREIN WITH SAID TUBULAR CAP BEING FREELY SLIDABLE IN SAID AMPULE BEHIND SAID PISTON PLUG, AND TRANSVERSE AND LATERALLYEXTENDING FLEXIBLE FLANGE STRUCTURE ON THE TIP END OF SAID CAP HAVING FLEXIBLE OUTER EDGES OF AN EFFECTIVE OUTER DIAMETER SLIGHTLY GREATER THAN THE INTERNAL DIAMETER OF THE AMPULE TUBULAR SIDE WALL FOR SNUG INSERTION THEREIN AFTER SAID CAP IS TWISTED FREE FROM SAID NECK TEMPORARILY TO HOLD SAID REMOVED CAP AS A PISTON WHEN INSERTED THROUGH THE OPEN DISTAL END OF THE LATTER MEANS IN SAID AMPULE IN ANY AXIALLY ADJUSTED POSITION.
Claim 4
Dependent Claim
319 words
IN A CARTRIDGE SYRINGE A UNITARY CASING STRUCTURE COMPRISING A CASING BARREL MOLDED FROM ELASTIC PLASTIC OF APPRECIABLE RIGIDITY IN RELATIVELY THICK SECTION AND HAVING A TUBULAR SLEEVE AND AN INTEGRAL CROSSHEAD TOGETHER DEFINING AN AMPULE-RECEIVING ASPIRATING BARREL SOCKET, AN INTEGRAL TUBULAR NECK EXTENDING OUTWARDLY AXIALLY OF SAID CROSSHEAD, A NEEDLE-PROTECTIVE ELONGATED TUBULAR COVER CAP HAVING A CLOSED TIP AND AN IMPERFORATE SIDEWALL OF CERTAIN EXTERNAL TRANSVERSE DIMENSION INTEGRALLY CONNECTED TO THE OUTER END OF SAID NECK AND EXTENDING COAXIALLY THEREFROM TO FORM THEREWITH A TUBULAR STRUCTURE, SAID CAP HAVING A NEEDLE-RECEPTIVE ELONGATED CLOSED SPACE THEREIN CONNECTED TO THE BARREL SOCKET BY A NECK BORE, A DOUBLE-ENDED NEEDLE SNUGLY RECEIVED THROUGH THE NECK BORE AND HAVING AN OUTER INJECTIVE END HOUSED IN SAID CAP SPACE AND AN AMPULE-PIERCING INNER END EXTENDING BACK INTO THE BARREL SOCKET, SAID TUBULAR STRUCTURE AT THE CONNECTION OF SAID CAP TO SAID NECK HAVING ITS SIDE WALL ANNULARLY WEAKENED PERMITTING SAID CAP TO BE READILY MANUALLY TWISTED FREE FROM SAID NECK FOR CAP REMOVAL, AN AMPULE HAVING A TUBULAR SIDE WALL OF CERTAIN INTERNAL DIAMETER GREATER THAN THE EXTERNAL TRANSVERSE DIMENSION OF SAID TUBULAR CAP WITH SAID AMPULE TELESCOPED INTO SAID BARREL SOCKET AND HAVING A CLOSED PROXIMAL PISTON END SLIDABLY RECEIVED IN SAID BARREL SOCKET FOR PUMPING ACTION THEREIN AND AN INITIALLY OPEN DISTAL END CLOSED BY A PISTON PLUG SLIDABLY MOUNTED THEREIN WITH SAID TUBULAR CAP BEING FREELY SLIDABLE IN SAID AMPULE BEHIND SAID PISTON PLUG, AND TRANSVERSE AND LATERALLYEXTENDING FLEXIBLE FLANGE STRUCTURE ON THE TIP END OF SAID CAP HAVING FLEXIBLE OUTER EDGES OF AN EFFECTIVE OUTER DIAMETER SLIGHTLY GREATER THAN THE INTERNAL DIAMETER OF THE AMPULE TUBULAR SIDE WALL FOR SNUG INSERTION THEREIN AFTER SAID CAP IS TWISTED FREE FROM SAID NECK TEMPORARILY TO HOLD SAID REMOVED CAP AS A PISTON WHEN INSERTED THROUGH THE OPEN DISTAL END OF THE LATTER MEANS IN SAID AMPULE IN ANY AXIALLY ADJUSTED POSITION.
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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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |