US4244467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the extemporaneous preparation of a solution under sterile conditions
Assignee: Sigma Tau Industrie Farmaceutiche Riunite SpA
•
Filing: 1979-06-04
•
Granted: 1981-01-13
•
Expires: 1999-06-04
Abstract
Abstract A device for extemporaneously preparing under sterile conditions a solution and dispensing carefully dosed amounts of the solution, is disclosed, wherein the container for the solvent is sealingly closed by an upwardly recessed capsule provided with an axially-extending, substantially cylindrical body the outwardly projecting end whereof is shaped as a piercing tip and having therein two parallel, adjacent passages. The opposite outlets of one passage are offset to the corresponding outlets of the adjacent passage.
Inventors
- 👤 Claudio Cavazza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:30
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3205; B65D81/3211
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
162 words
Apparatus for mixing and dispensing two substances comprising in combination a first container for sealingly containing a first substance, said first container having a neck defining a discharge opening and being sealable by a stopper, a second container for sealingly containing a second substance, said second container having a neck defining a discharge opening, a recessed plug having a base and upstanding side walls seated in said neck of the second container, said plug recess being open outwardly with respect to said second container and dimensioned sealingly to receive the neck of the first container, and an elongated transfer spout having a first end projecting into the second container and a second end extending substantially concentrically through the recess in said plug to enter the first container through said stopper, said transfer spout having a portion intermediate said first and second ends sealingly retained in said base of the recessed plug and being provided with two substantially parallel passages extending longitudinally therethrough.
Claim 2
Dependent Claim
162 words
Apparatus for mixing and dispensing two substances comprising in combination a first container for sealingly containing a first substance, said first container having a neck defining a discharge opening and being sealable by a stopper, a second container for sealingly containing a second substance, said second container having a neck defining a discharge opening, a recessed plug having a base and upstanding side walls seated in said neck of the second container, said plug recess being open outwardly with respect to said second container and dimensioned sealingly to receive the neck of the first container, and an elongated transfer spout having a first end projecting into the second container and a second end extending substantially concentrically through the recess in said plug to enter the first container through said stopper, said transfer spout having a portion intermediate said first and second ends sealingly retained in said base of the recessed plug and being provided with two substantially parallel passages extending longitudinally therethrough.
Claim 3
Dependent Claim
36 words
Apparatus as claimed in claim 1, wherein the first and second ends of the transfer spout are bevelled whereby the respective ends of the substantially parallel passages open into the bevelled ends at different longitudinal locations.
Claim 4
Dependent Claim
19 words
Apparatus as claimed in claim 2, wherein the bevelled second end of the transfer spout provides a piercing tip.
Claim 5
Dependent Claim
23 words
Apparatus as claimed in claim 1, further including a drop dispensing device selectively seatable around the transfer spout and within the plug recess.
Claim 6
Dependent Claim
37 words
Apparatus as claimed in claim 4, wherein the drop dispensing device has an axial bore threaded at least part way along its length and wherein mating threads are provided around the external surface of the transfer spout.
References Cited (Backward Citations)
US2580836A
Cited
US3050061A
Cited
US3325059A
Cited
US3484849A
Cited
US3857423A
Cited
USRE29656E
Cited
US4136692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-01-13 | 1984-07-14 | 1985-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-13 | 1988-07-14 | 1989-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-13 | 1992-07-14 | 1993-01-13 | $7700.00 | Window Closed / Lapsed |