FI951313A - syringe - Google Patents
syringe Download PDFInfo
- Publication number
- FI951313A FI951313A FI951313A FI951313A FI951313A FI 951313 A FI951313 A FI 951313A FI 951313 A FI951313 A FI 951313A FI 951313 A FI951313 A FI 951313A FI 951313 A FI951313 A FI 951313A
- Authority
- FI
- Finland
- Prior art keywords
- plunger
- valve lock
- valve
- outlet
- barrel
- Prior art date
Links
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a dispensing syringe with an elongated barrel 1 inside which is an elongated plunger 2 with a hollow rod, which can move to and fro in the longitudinal direction of the barrel 1. The end 5 of the plunger 2 and the interior end 6 of the barrel 1 define in between them a substantially sealed chamber 4 for accepting the pharmaceutical substance, into which substance a flowing agent is added through the hollow interior 10 of the plunger 2. The end 5 of the plunger has at least one outlet 7 for the flowing agent. The end 5 of the plunger has a valve lock 3 equipped with at least one closing member 8 for sealing the said outlet 7 in order to form a valve between the interior 10 of the plunger and the chamber 4 by the action of both the valve lock 3 and the end 5 of the plunger. The valve lock 3 has at least one opening 9 situated sideways in relation to the closing member 8 in fluid communication with the chamber 4. The valve lock 3 is at least substantially in the area of the end 5 of the plunger formed from flexible material, which allows the closing member 8 of the valve lock 3 to detach itself from the position closing the outlet 7 by the pressure difference on the different sides of the valve, when the outlet 7 and the opening 9 in the valve lock 3 have a fluid communication between them. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI951313A FI101604B1 (en) | 1994-11-28 | 1995-03-21 | Dispensing syringe |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI945574A FI945574A0 (en) | 1994-11-28 | 1994-11-28 | Doseringsanlaeggning |
FI951313A FI101604B1 (en) | 1994-11-28 | 1995-03-21 | Dispensing syringe |
Publications (4)
Publication Number | Publication Date |
---|---|
FI951313A0 FI951313A0 (en) | 1995-03-21 |
FI951313A true FI951313A (en) | 1996-05-29 |
FI101604B FI101604B (en) | 1998-07-31 |
FI101604B1 FI101604B1 (en) | 1998-07-31 |
Family
ID=26159841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI951313A FI101604B1 (en) | 1994-11-28 | 1995-03-21 | Dispensing syringe |
Country Status (1)
Country | Link |
---|---|
FI (1) | FI101604B1 (en) |
-
1995
- 1995-03-21 FI FI951313A patent/FI101604B1/en active
Also Published As
Publication number | Publication date |
---|---|
FI101604B (en) | 1998-07-31 |
FI101604B1 (en) | 1998-07-31 |
FI951313A0 (en) | 1995-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: ASTRA AB |