US3754644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterile package containing a syringe cylinder of a disposable injection syringe having a piston rod detachable from the piston
Assignee: B Braun Melsungen AG
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Filing: 1972-07-19
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Granted: 1973-08-28
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Expires: 1992-07-19
Abstract
Abstract A sterile package is disclosed which comprises a disposable injection syringe cylinder which has a nozzle at one end, a piston located at its terminal position within the cylinder at the nozzle end thereof and a liner for the interior wall of the cylinder behind the piston to maintain the interior of the cylinder in a sterile condition. When the piston is retracted with an attachable piston rod to introduce a fluid into the syringe cylinder, the liner is likewise retracted. The end of the syringe cylinder opposite the nozzle end may be sealed by a removable foil.
Inventors
- 👤 H Hampel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:33
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/002
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
114 words
A sterile package comprising a syringe cylinder of a disposable injection syringe, said syringe cylinder being open at one end over its entire cross section and being provided at the other end with a syringe nozzle, an axially slideable piston located in its terminal position at the nozzle end of the cylinder in sealing relationship with said syringe nozzle, said piston being adapted to detachably receive a piston rod, and a covering foil lining the interior wall of the cylinder from said piston to said open end in contacting relationship thereto whereby the interior wall of the syringe cylinder is maintained in a sterile condition until withdrawal of the piston by a piston rod.
Claim 2
Dependent Claim
114 words
A sterile package comprising a syringe cylinder of a disposable injection syringe, said syringe cylinder being open at one end over its entire cross section and being provided at the other end with a syringe nozzle, an axially slideable piston located in its terminal position at the nozzle end of the cylinder in sealing relationship with said syringe nozzle, said piston being adapted to detachably receive a piston rod, and a covering foil lining the interior wall of the cylinder from said piston to said open end in contacting relationship thereto whereby the interior wall of the syringe cylinder is maintained in a sterile condition until withdrawal of the piston by a piston rod.
Claim 3
Dependent Claim
26 words
A sterile package as defined in claim 1 in which the opening of the syringe cylinder is sealed in a sterile manner by a removal foil.
Claim 4
Dependent Claim
42 words
A sterile package as defined in claim 1 in which the covering foil lining the syringe cylinder consists of a rectangle of resilient plastic material which is rolled up cylindrically and Is positioned close to the interior wall of the syringe cylinder.
References Cited (Backward Citations)
US2514575A
Cited
US3295525A
Cited
GB1122592A
Cited
US3545607A
Cited
US3628523A
Cited
US3677245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |