DE8813938U1 - Injection device - Google Patents
Injection deviceInfo
- Publication number
- DE8813938U1 DE8813938U1 DE8813938U DE8813938U DE8813938U1 DE 8813938 U1 DE8813938 U1 DE 8813938U1 DE 8813938 U DE8813938 U DE 8813938U DE 8813938 U DE8813938 U DE 8813938U DE 8813938 U1 DE8813938 U1 DE 8813938U1
- Authority
- DE
- Germany
- Prior art keywords
- injection device
- cannula
- ampoule
- injection
- piston rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002347 injection Methods 0.000 title claims description 21
- 239000007924 injection Substances 0.000 title claims description 21
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000003708 ampul Substances 0.000 claims 4
- 239000000463 material Substances 0.000 claims 1
- 229940090044 injection Drugs 0.000 description 11
- 229930003347 Atropine Natural products 0.000 description 3
- RKUNBYITZUJHSG-UHFFFAOYSA-N Hyosciamin-hydrochlorid Natural products CN1C(C2)CCC1CC2OC(=O)C(CO)C1=CC=CC=C1 RKUNBYITZUJHSG-UHFFFAOYSA-N 0.000 description 3
- RKUNBYITZUJHSG-SPUOUPEWSA-N atropine Chemical compound O([C@H]1C[C@H]2CC[C@@H](C1)N2C)C(=O)C(CO)C1=CC=CC=C1 RKUNBYITZUJHSG-SPUOUPEWSA-N 0.000 description 3
- 229960000396 atropine Drugs 0.000 description 3
- 229940034740 atropine injection Drugs 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M5/2066—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically comprising means for injection of two or more media, e.g. by mixing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/20—Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
- A61M2005/206—With automatic needle insertion
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
• *
t ·• *
t ·
Vaihinger Strasse 50
7000 Stuttgart 80Vaihinger Strasse 50
7000 Stuttgart-80
Die Erfindung betrifft ein als Fluessigkeitsmischlnjektions-Automat ausgebildetes Injektionsgeraet mit einer vor der Injektion gespannten Schraubfeder und rcit einer gegen den Federdruck verriegelten Kolbenstange, die in einem Hohlkolben laengsverschiebbar gefuehrt ist, insbesondere zum einmaligem Gebrauch, z. B. Atropin.The invention relates to an injection device designed as a liquid mixing injection machine with a helical spring tensioned before the injection and with a piston rod locked against the spring pressure, which is guided longitudinally displaceably in a hollow piston, in particular for single use, e.g. atropine.
Es gibt kein Injektionsgeraet, das das Mischen von Pulver und Fluessigkeit mit gleichzeitigem Einstechen in den Koerper und anschließendem injizieren der gemischten Fluessigkeit auf dem Harkt. Patentauslegestelle Stuttgart Gruppe AM-6.There is no injection device that allows the mixing of powder and liquid with simultaneous piercing into the body and subsequent injection of the mixed liquid on the needle. Patent Office Stuttgart Group AM-6.
Das Geraet wurde fuer eine Atropin-Spritze, wie sie bei der Bundeswehr oder Armee gebraucht wird konzeptiert. Nach neuen Gesichtspunkten muessen 2 Komponenten getrennt gehalten werden und beim Ernstfall, bei dem der Einestz auf Sekunden ankommt gemischt, eingestochen und injiziert werden. Erwaehnenswert ist, dass bei diesem Funktionsablauf sich keine Luftblase bilden kann, was toedlich sein koennte.The device was designed for an atropine syringe, as used by the German army or the Bundeswehr. According to new considerations, two components must be kept separate and mixed, punctured and injected in an emergency, where the use of the syringe depends on seconds. It is worth mentioning that no air bubble can form during this function, which could be fatal.
Der Erfindung liegt die Aufgabe zugrunde, einen Injektions-Automaten zu schaffen, bei dem sowohl das Mischen 2 verschiedener Komponenten (Fluessigkeit und Pulver) sowie das Elnechiessen der Sprltzenkanuele in den Koerper, als auch das blasenfreie Injizieren von gemischtem Atropin automatisch nach Ausloesen einer Verriegelung vorgenommen wird.The invention is based on the object of creating an injection machine in which the mixing of two different components (liquid and powder) as well as the injection of the syringe needle into the body and the bubble-free injection of mixed atropine are carried out automatically after a lock is triggered.
Zur Loesung dieser Aufgabe wird erfindungsgemaess vorgeschlagen, dass ein in die Aussenhuelse einsteckbarer und dabei den die Feder spannende gefuellter Spritzenzylinder mit Kanuele unloesbar eingesetzt und durch den Sicherungsbolzen (&bgr;) verriegelt ist. Die dafuer vorgesehenen Teile sind aus Kunststoff und im Spritzgussverfahren hergestellt. In weiterer Ausgestaltung der Erfindung wird vorgeschlagen, dass der Sicherungsbolzen einen Ziehring besitzt um die Entriegelung schnell und sicher vorzunehmen. Der Innendurchmesser der Aussenhuelse 1st dem Spritzenzylinder so angepasst, dass sich dieser in Laengsrichtung leicht bewegen laesst. An der Aussenhuelse unten an der Kanuelenseite ist diese durch eine sterilen Verschlussplatte (8) verschlossen. Der ganze Innenraum des Injektionsgeraetes muss nach dem Einbau hundertprozentig steril sein. Es zeigen: Fig. 1 einen Atropininjektlone-Automaten, fuer den einmaligen Gebrauch im Laengsschriltt und Ruhezustand.To solve this problem, the invention proposes that a filled syringe cylinder with a cannula that can be inserted into the outer sleeve and tensions the spring is inserted in a non-detachable manner and locked by the safety bolt (β). The parts provided for this are made of plastic and are manufactured using an injection molding process. In a further development of the invention, it is proposed that the safety bolt has a pull ring in order to unlock it quickly and safely. The inner diameter of the outer sleeve is adapted to the syringe cylinder so that it can be easily moved in the longitudinal direction. On the outer sleeve at the bottom on the cannula side, this is closed by a sterile closure plate (8). The entire interior of the injection device must be 100% sterile after installation. Shown: Fig. 1 an atropine injection machine for single use in longitudinal step and rest state.
Flg. 2 einen Atropininjektions-Automaten, fuer den einmaligen Gebrauch im Laengeschnitt nach Ziehen des Sicherungsbolzene (6) und damit das Freiwerden der Kolbenstange (2), die den Pulverbeutel zerstoert und im weiteren Weg das Pulver in die Fluessigkeit stoesst.Fig. 2 shows an atropine injection machine for single use in lengthwise section after pulling the safety bolt (6) and thus freeing the piston rod (2), which destroys the powder bag and pushes the powder into the liquid.
Fig. 3 einen Atropininjektions-Automaten, fuer den einmaligen Gebrauch im Laengsschnitt in der Endphase, das heisst Einstich der Kanuele (3), Mischen und Ausstossen der gemischten Fluessigkeit.Fig. 3 an atropine injection machine for single use in longitudinal section in the final phase, i.e. insertion of the cannula (3), mixing and expulsion of the mixed liquid.
Der Injektion-Automat besteht aus der Aussenhuelse (1), der gefuellten Spritze (2) mit Kanuele (3), dem Hohlkolben (4), dem Pulverbeutel (5), dem Sicherungsbolzen (6), der Schraubenfeder (7), der Kolbenstange <£) und der Verschlussplatte (9). Die Aussenhuelse (1), der Sicherungsbolzen (6) und die Kolbenstange sind nunststoff-Spritzgussteile. Der Pulverbeutel kann entweder aus Aluminiumfolie oder metallbedampfte Kunststofffolie sein.The injection machine consists of the outer sleeve (1), the filled syringe (2) with cannula (3), the hollow piston (4), the powder bag (5), the safety bolt (6), the coil spring (7), the piston rod <£) and the closure plate (9). The outer sleeve (1), the safety bolt (6) and the piston rod are plastic injection-molded parts. The powder bag can be made of either aluminum foil or metal-coated plastic foil.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8813938U DE8813938U1 (en) | 1988-11-08 | 1988-11-08 | Injection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8813938U DE8813938U1 (en) | 1988-11-08 | 1988-11-08 | Injection device |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8813938U1 true DE8813938U1 (en) | 1989-12-07 |
Family
ID=6829634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8813938U Expired - Lifetime DE8813938U1 (en) | 1988-11-08 | 1988-11-08 | Injection device |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE8813938U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995003844A1 (en) * | 1993-07-31 | 1995-02-09 | Weston Medical Limited | Needle-less injector |
US5480381A (en) * | 1991-08-23 | 1996-01-02 | Weston Medical Limited | Needle-less injector |
WO1997048430A1 (en) * | 1996-06-18 | 1997-12-24 | Owen Mumford Limited | Improvements relating to injection devices |
-
1988
- 1988-11-08 DE DE8813938U patent/DE8813938U1/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5480381A (en) * | 1991-08-23 | 1996-01-02 | Weston Medical Limited | Needle-less injector |
WO1995003844A1 (en) * | 1993-07-31 | 1995-02-09 | Weston Medical Limited | Needle-less injector |
US5891086A (en) * | 1993-07-31 | 1999-04-06 | Weston Medical Limited | Needle-less injector |
EP1020200A2 (en) * | 1993-07-31 | 2000-07-19 | Weston Medical Limited | Needle-less injector |
EP1020200A3 (en) * | 1993-07-31 | 2001-12-05 | Weston Medical Limited | Needle-less injector |
WO1997048430A1 (en) * | 1996-06-18 | 1997-12-24 | Owen Mumford Limited | Improvements relating to injection devices |
US6077247A (en) * | 1996-06-18 | 2000-06-20 | Owen Mumford Limited | Injection devices |
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