US3921633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finger grip device
Assignee: Meridian Medical Technologies Inc
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Filing: 1974-05-06
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Granted: 1975-11-25
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Expires: 1994-05-06
Abstract
Abstract A finger grip device is affixed to a cartridge tube of a syringe for holding the syringe, said device comprising a collet having a smooth even diametrical inner surface fitting over the cartridge tube and having a tapered outer surface, the collet is also provided with longitudinal slots, the collet''s tapered outer surface fits into a similarly tapered surface of a collet sleeve whereby relative movement between the collet and collet sleeve will force the collet into snug engagement with the cartridge tube. The collet sleeve is provided with outstanding wing portions to act as finger grips.
Inventors
- 👤 Edward A Tischlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:33
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/3129; A61M5/3135; A61M5/3137; A61M2005/3139
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
306 words
A finger gRip device for a syringe wherein the syringe includes a cylindrical cartridge having one end closed by a cannula assembly and the other end open, a plunger slidably carried within the cartridge and medicament located in the cartridge between the plunger and closed end of the cartridge said finger grip device fitting over and gripping the open end of the cartridge, the finger grip device comprising: a collet, said collet having a cylindrical body open at both the rear and forward ends, the inner cylindrical surface being of uniform diameter, the outer surface of the body tapering outwardly and rearwardly from the forward end of the body, slot means in the collet body extending lengthwise and through the forward end thereof, a collet sleeve receiving the collet, said collet sleeve including a cylindrical sleeve body open at both its rear and forward ends, the inner surface of the sleeve body tapering outwardly and rearwardly from the forward end of said sleeve body to receive the tapered outer surface of the collet when said collet is inserted into the collet sleeve with its forward end facing the same direction as the forward end of the collet whereby relative movement of the collet with respect to the collet sleeve in the forward direction will cause the collet to be compressed and grip the open end of the cartridge over which it is passed, said collet sleeve being further provided with a pair of outwardly extending wing portions adapted to receive the fingers of the syringe user, and means for selectively positioning and holding said collet sleeve and said collet together in a retracted and assembled position to receive said cylindrical cartridge including retaining means on the rear end of the cylindrical body of the collet sleeve interengaging a biased outer mid-portion groove means on the collet.
Claim 2
Dependent Claim
306 words
A finger gRip device for a syringe wherein the syringe includes a cylindrical cartridge having one end closed by a cannula assembly and the other end open, a plunger slidably carried within the cartridge and medicament located in the cartridge between the plunger and closed end of the cartridge said finger grip device fitting over and gripping the open end of the cartridge, the finger grip device comprising: a collet, said collet having a cylindrical body open at both the rear and forward ends, the inner cylindrical surface being of uniform diameter, the outer surface of the body tapering outwardly and rearwardly from the forward end of the body, slot means in the collet body extending lengthwise and through the forward end thereof, a collet sleeve receiving the collet, said collet sleeve including a cylindrical sleeve body open at both its rear and forward ends, the inner surface of the sleeve body tapering outwardly and rearwardly from the forward end of said sleeve body to receive the tapered outer surface of the collet when said collet is inserted into the collet sleeve with its forward end facing the same direction as the forward end of the collet whereby relative movement of the collet with respect to the collet sleeve in the forward direction will cause the collet to be compressed and grip the open end of the cartridge over which it is passed, said collet sleeve being further provided with a pair of outwardly extending wing portions adapted to receive the fingers of the syringe user, and means for selectively positioning and holding said collet sleeve and said collet together in a retracted and assembled position to receive said cylindrical cartridge including retaining means on the rear end of the cylindrical body of the collet sleeve interengaging a biased outer mid-portion groove means on the collet.
Claim 3
Dependent Claim
251 words
A finger grip device adapted for securing to an open ended tube, said finger grip device comprising: a collet, said collet having a cylindrical body open at both the rear and forward ends, the inner cylindrical surface being of uniform diameter, the outer surface of the body tapering outwardly and rearwardly from the forward end of the body, means for contractingly biasing the collet comprising a slot means in the collet body extending lengthwise and through the forward end thereof, a collet sleeve receiving the collet, said collet sleeve including a cylindrical sleeve body open at both its rear and forward ends, the inner surface of the sleeve body tapering outwardly and rearwardly from the forward end of said sleeve body to receive the tapered outer surface of the collet when said collet is inserted into the collet sleeve with its forward end facing the same direction as the forward end of the collet whereby relative movement of the collet with respect to the collet sleeve in the forward direction will cause the collet to be compressed and grip the open end of the tube over which it is adapted to be passed, and said collet sleeve being further provided with a pair of outwardly extending wing portions and interengaging retaining means on the rear end of the cylindrical sleeve body of the collet sleeve defining means for holding the outer mid portion of the collet to the collet sleeve in retracted and assembled position ready to receive the aforementioned tube.
Claim 4
Dependent Claim
251 words
A finger grip device adapted for securing to an open ended tube, said finger grip device comprising: a collet, said collet having a cylindrical body open at both the rear and forward ends, the inner cylindrical surface being of uniform diameter, the outer surface of the body tapering outwardly and rearwardly from the forward end of the body, means for contractingly biasing the collet comprising a slot means in the collet body extending lengthwise and through the forward end thereof, a collet sleeve receiving the collet, said collet sleeve including a cylindrical sleeve body open at both its rear and forward ends, the inner surface of the sleeve body tapering outwardly and rearwardly from the forward end of said sleeve body to receive the tapered outer surface of the collet when said collet is inserted into the collet sleeve with its forward end facing the same direction as the forward end of the collet whereby relative movement of the collet with respect to the collet sleeve in the forward direction will cause the collet to be compressed and grip the open end of the tube over which it is adapted to be passed, and said collet sleeve being further provided with a pair of outwardly extending wing portions and interengaging retaining means on the rear end of the cylindrical sleeve body of the collet sleeve defining means for holding the outer mid portion of the collet to the collet sleeve in retracted and assembled position ready to receive the aforementioned tube.
Claim 5
Dependent Claim
30 words
The invention as set forth in claim 2 and wherein the collet is provided with stop means on its rearward end to limit movement of the cartridge into the collet.
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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) | 1978-11-24 | 1979-05-26 | 1979-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-24 | 1983-05-26 | 1983-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-24 | 1987-05-26 | 1987-11-25 | $7700.00 | Window Closed / Lapsed |