EP1796849B1 - Discharging device comprising a discharge mechanism and a multicomponent syringe - Google Patents

Discharging device comprising a discharge mechanism and a multicomponent syringe Download PDF

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Publication number
EP1796849B1
EP1796849B1 EP05759644A EP05759644A EP1796849B1 EP 1796849 B1 EP1796849 B1 EP 1796849B1 EP 05759644 A EP05759644 A EP 05759644A EP 05759644 A EP05759644 A EP 05759644A EP 1796849 B1 EP1796849 B1 EP 1796849B1
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EP
European Patent Office
Prior art keywords
syringe
cartridge
dispensing device
holder
dispensing
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EP05759644A
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German (de)
French (fr)
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EP1796849A1 (en
Inventor
Wilhelm A. Keller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medmix Switzerland AG
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Sulzer Mixpac AG
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Priority to SI200531122T priority Critical patent/SI1796849T1/en
Priority to PL05759644T priority patent/PL1796849T3/en
Publication of EP1796849A1 publication Critical patent/EP1796849A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components

Definitions

  • the present invention relates to a discharge device with a discharge device and a multi-component syringe or cartridge according to the preamble of claim 1.
  • a discharge device with multi-component cartridge is for example from US-A-5 005 735 of the same applicant.
  • This patent discloses both a lateral insertion and a drawer from above, wherein the side insertion only the cross-sectional ratios of 1: 1 and no coding means are disclosed, so that the cartridge can be inserted in two layers.
  • the US-A-5,441,175 discloses a dispenser in which cartridges of various dimensions can be accommodated, but no means are disclosed for inserting the cartridges in a particular direction.
  • the EP-A-0 791 403 describes a dispensing device in which the cartridges are inserted from the top and different encoding possibilities are disclosed and finally discloses the U.S. Pat. No. 5,992,694 another dispenser, can be inserted coded into the cartridges, the cartridges are retained with a flap.
  • a discharge device which ensures a high level of reliability and can be used in the only syringes or cartridges, which are intended for an associated dispensing device and inserted in a defined position in the device and the syringe for the case the direct Handaustragens has an ergonomically optimal shape.
  • Such a device is defined in independent claim 1.
  • Fig. 4 of the US-A-5 005 735 is disclosed an embodiment in which the cartridge is inserted from above, wherein the reservoir is inserted with the smaller cross section first such that the reservoir is held with the larger diameter little. It is based on a second object of the invention to attach the syringe or cartridge with reservoir with different cross-section so on the dispenser that the reservoir with the largest cross section and thus with the greatest resistance during discharge is best kept. This object is achieved with the device according to the dependent claim 4.
  • Fig. 1 one recognizes a discharge device according to the invention, with a dispensing device 1 and a multi-component syringe 2, here double syringe, the sake of simplicity hereinafter syringe named, the syringe is inserted laterally with respect to the plane defined by the handle 3 and trigger lever 4 of the dispensing device, such as this is indicated by the arrow P in Fig. 2 is indicated.
  • Fig. 1 can be seen also the double ram 5 with teeth 6, in which engages a feed system, which then in connection with Fig. 5 is explained.
  • the syringe 2 has in the present case two reservoirs 7 and 8, wherein the reservoir 7 has a larger cross-section than reservoir 8 and accordingly a larger volume.
  • the syringe On the inlet side, the syringe has a retaining or mounting flange 9 and on the outlet side the two outlets 10 and 11 and fastening means 12, e.g. Bayonet sockets.
  • the mounting flange 9 has two legs 16 and 17 which serve as a support for the fingers, in the event that the syringe is actuated by hand, wherein the syringe outlet directed towards the bearing surfaces 13 and 14 on the legs anatomically shaped, ie curved , This results in an angled shape of the mounting flange 9, as best of all FIG. 3 evident.
  • This angled shape of the mounting flange results in one of the coding means whereby otherwise conventional commercially available syringes or cartridges can not be used and thus the risk is eliminated that can be used with this dispensing unzert e syringes. How out Fig. 3 Furthermore, it can be seen, the thickness D1 of leg 16 of the mounting flange is greater than the thickness D2 of leg 17 of the mounting flange.
  • the syringe holder 18 is designed as a separate replacement part, wherein the syringe holder has an insertion opening 19 which is shaped according to the mounting flange 9.
  • the insertion opening 19 has a slot 20 which corresponds to the upper thicker leg 16 of the mounting flange and a second slot 21 which corresponds to the lower, thinner leg 17 of the mounting flange.
  • the syringe holder 18, with its U-shaped guide member 22 is inserted into a correspondingly shaped opening in the housing 23 and through the lid 24, see Fig. 1 held, wherein the front cover part overlies a side 25 of a U-shaped shoulder, which is fastened with its two other sides to the retaining wall 26 of the device.
  • the device-side wall of the syringe holder has a passage 27 for the plunger and a recess for the plunger plates.
  • notch 28 shown on the thicker leg 16 of the mounting flange, which serves as a marker, or visual coding.
  • the notch is always mounted on the thicker leg of the mounting flange, which notch coincides with another visual coding, here notch 30, at the cartridge outlet flange 31, or mixer port - see FIG. 4A so that both the syringe and the mixer can be connected in a directional manner, which creates a very high level of operational safety.
  • the notches 28 and 30 are also applied to syringes whose reservoirs have a cross-sectional ratio of 1: 1.
  • Fig. 7 is drawn in that the contour of the insertion opening 19 is not continuous, but a constriction, for example, on both sides a small nose 29 which must overcome the first Consbende reservoir, whereby the syringe is held. It goes out further Fig. 7 shows that in syringes with different reservoirs, the syringe is always inserted with the largest reservoir first, whereby the flange part is held over a large circumference, while the smaller storage cylinder is held over a sufficient part of the mounting flange. As a result, the greatest forces that arise at the larger storage cylinder, are collected.
  • a syringe holder with a corresponding insertion opening is made, but its outer contours are each the same in order to be able to be fixed in the opening of the dispensing device. It is also possible to design the syringe holders so that they can be replaced without first having to remove the lid on the device housing. It should be mentioned in this context that to remove the syringe holder, the double ram must first be pulled out of the device completely.
  • a coding of the syringe sizes, or their volume and / or ratio of the reservoir mixing ratio of great advantage.
  • the length CL and the width CW of the mounting flange, see FIGS. 3 and 4 for the coding of the syringe volumes, and the opening width OW of the U-shaped guide part of the syringe holder for the coding of the mixing ratios are used.
  • a support of coding by coloring remains thereby undone.
  • the feed mechanism of the dispensing device is known per se, for. B. from the U.S. Pat. No. 5,992,694 of the same applicant. It is important in such a device to efficiently transfer the force and movement of a lever into a linear forward movement of the plunger.
  • a syringe with more than two supply cylinders can be used, wherein when using a dispensing device this usually has the same number of plungers.
  • cartridges may be provided.
  • the outlet of the syringe or cartridge may be provided for a conventional mixer of the prior art and may receive a known cap or other mixing and dispensing systems and extension parts or tubes may be connected.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Coating Apparatus (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Vehicle Body Suspensions (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

Disclosed is a dispensing device comprises a dispense mechanism and a multicomponent syringe. The fastening parts of the syringe are embodied such that the syringe can be inserted into a holder on the dispense mechanism on the plane of the reservoirs thereof and perpendicular to the plane formed by the handle and the triggering lever of the dispense mechanism. The fastening parts on the syringe and the insertion opening on the syringe holder of the dispense mechanism are provided with coding elements that ensure that the syringe is inserted in only one direction, thus preventing non-certified syringes from being dispensed by the dispense mechanism. In a preferred embodiment, ergonomically shaped syringe flanges can optionally be used for dispensing the syringe in an optimal manner by hand with the aid of a dispense mechanism.

Description

Die vorliegende Erfindung bezieht sich auf eine Austragvorrichtung mit einem Austraggerät und einer Mehrkomponentenspritze oder -kartusche gemäss Oberbegriff von Patentanspruch 1. Eine solche Austragvorrichtung mit Mehrkomponentenkartusche ist beispielsweise aus der US-A-5 005 735 des gleichen Anmelders bekannt. Diese Patentschrift offenbart sowohl einen seitlichen Einschub als auch einen Einschub von oben, wobei beim Seiteneinschub nur die Querschnittsverhältnisse von 1:1 dargestellt und keinerlei Codierungsmittel offenbart sind, so dass die Kartusche in zwei Lagen einschiebbar ist.The present invention relates to a discharge device with a discharge device and a multi-component syringe or cartridge according to the preamble of claim 1. Such a discharge device with multi-component cartridge is for example from US-A-5 005 735 of the same applicant. This patent discloses both a lateral insertion and a drawer from above, wherein the side insertion only the cross-sectional ratios of 1: 1 and no coding means are disclosed, so that the cartridge can be inserted in two layers.

Die US-A-5 441 175 offenbart ein Austraggerät, bei dem Kartuschen mit verschiedenen Dimensionen aufgenommen werden können, doch sind keine Mittel offenbart, um die Kartuschen in einer bestimmten Richtung einzuführen. Die EP-A-0 791 403 beschreibt ein Austraggerät, bei welchem die Kartuschen von oben eingeschoben und verschiedene Kodierungsmöglichkeiten offenbart werden und schliesslich offenbart die US-A-5 992 694 ein weiteres Austraggerät, in das Kartuschen kodiert eingeschoben werden können, wobei die Kartuschen mit einer Klappe zurückgehalten werden.The US-A-5,441,175 discloses a dispenser in which cartridges of various dimensions can be accommodated, but no means are disclosed for inserting the cartridges in a particular direction. The EP-A-0 791 403 describes a dispensing device in which the cartridges are inserted from the top and different encoding possibilities are disclosed and finally discloses the U.S. Pat. No. 5,992,694 another dispenser, can be inserted coded into the cartridges, the cartridges are retained with a flap.

Es ist bei heiklen Anwendungen, insbesondere in der Medizinaltechnik unerlässlich, sichere Systeme zu haben, die eine Verwechslung von Spritzen oder einer Verwendung von x-beliebigen Spritzen an einem Austraggerät verhindern, um stets sicher zu sein, dass die korrekten Spritzen mit dem korrekten Inhalt verwendet werden.It is imperative in sensitive applications, particularly in the medical field, to have secure systems that prevent confusion of syringes or use of any syringes on a dispenser to always be sure that the correct syringes are used with the correct contents become.

Ferner ist es wichtig, dass die Spritzen, die verschiedene Vorratsbehälter aufweisen, bezüglich dieser Behälter in der richtigen Lage eingeschoben werden, da sonst das Austraggerät beschädigt werden kann, was das Austragen verunmöglichen würde. Dadurch kann eine den Patienten gefährdende Verzögerung in der Anwendung resultieren.Furthermore, it is important that the syringes, which have different reservoirs, be relative to these containers in the be inserted correctly, otherwise the dispenser may be damaged, which would make dispensing impossible. This can result in a patient-endangering delay in the application.

Es ist davon ausgehend Aufgabe der vorliegenden Erfindung eine Austragvorrichtung anzugeben, die eine hohe Betriebssicherheit gewährleistet und bei der nur Spritzen oder Kartuschen verwendet werden können, die für ein zugehöriges Austraggerät bestimmt und in einer definierten Lage in das Gerät einschiebbar sind und die Spritze für den Fall des direkten Handaustragens eine ergonomisch optimale Form aufweist. Eine solche Vorrichtung ist im unabhängigen Patentanspruch 1 definiert.It is therefore an object of the present invention to provide a discharge device, which ensures a high level of reliability and can be used in the only syringes or cartridges, which are intended for an associated dispensing device and inserted in a defined position in the device and the syringe for the case the direct Handaustragens has an ergonomically optimal shape. Such a device is defined in independent claim 1.

In Fig. 4 der US-A-5 005 735 ist eine Ausführung offenbart, bei welcher die Kartusche von oben eingeschoben wird, wobei der Vorratsbehälter mit dem kleineren Querschnitt zuerst eingeschoben wird derart, dass der Vorratsbehälter mit dem grösseren Durchmesser wenig gehalten ist. Es ist davon ausgehend eine zweite Aufgabe der Erfindung, die Spritze oder Kartusche mit vorratsbehälter mit verschiedenem Querschnitt so am Austraggerät zu befestigen, dass der Vorratsbehälter mit dem grössten Querschnitt und damit mit dem grössten Widerstand beim Austragen am besten gehalten ist. Diese Aufgabe wird mit dem Gerät gemäss dem abhängigen Anspruch 4 gelöst.In Fig. 4 of the US-A-5 005 735 is disclosed an embodiment in which the cartridge is inserted from above, wherein the reservoir is inserted with the smaller cross section first such that the reservoir is held with the larger diameter little. It is based on a second object of the invention to attach the syringe or cartridge with reservoir with different cross-section so on the dispenser that the reservoir with the largest cross section and thus with the greatest resistance during discharge is best kept. This object is achieved with the device according to the dependent claim 4.

Es ist eine weitere Aufgabe der Erfindung mit dem Austraggerät Spritzen oder Kartuschen mit einer grossen Vielfalt von Abmessungen austragen zu können. Diese Aufgabe wird gemäss den abhängigen Ansprüchen gelöst.It is a further object of the invention to be able to discharge syringes or cartridges with a large variety of dimensions with the dispensing device. This object is achieved according to the dependent claims.

Die Erfindung wird im Folgenden anhand von Zeichnungen eines Ausführungsbeispiels näher erläutert.

Fig. 1
zeigt die erfindungsgemässe Vorrichtung in perspektivischer Seitenansicht,
Fig. 2
zeigt die Vorrichtung von Fig. 1 von oben und vereinzelt,
Fig. 3
zeigt die Mehrkomponentenspritze der Vorrichtung von Figur 1 von oben,
Fig. 4
zeigt die Spritze von Fig. 3 in Seitenansicht,
Fig. 4A
zeigt eine Sicht von Vorne auf die Spritze von Fig. 4,
Fig. 5
zeigt das Austraggerät von Fig. 1 mit entfernter Seitenwand und entfernter Spritzenhalterung,
Fig. 6.
zeigt eine Spritzenhalterung in Seitenansicht und
Fig. 7
zeigt die Spritzenhalterung in einer Sicht von oben.
The invention will be explained in more detail below with reference to drawings of an embodiment.
Fig. 1
shows the device according to the invention in a perspective side view,
Fig. 2
shows the device of Fig. 1 from above and isolated,
Fig. 3
shows the multi-component syringe of the device of FIG. 1 from above,
Fig. 4
shows the syringe from Fig. 3 in side view,
Fig. 4A
shows a view from the front of the syringe from Fig. 4 .
Fig. 5
shows the dispenser of Fig. 1 with the side wall removed and the syringe holder removed,
Fig. 6.
shows a syringe holder in side view and
Fig. 7
shows the syringe holder in a view from above.

In Fig. 1 erkennt man eine Austragvorrichtung gemäss Erfindung, mit einem Austraggerät 1 und einer Mehrkomponentenspritze 2, hier Doppelspritze, der Einfachheit halber im Folgenden Spritze benannt, wobei die Spritze in Bezug auf der durch den Griff 3 und Abzughebel 4 des Austraggerätes definierten Ebene seitlich eingeschoben ist, wie dies durch den Pfeil P in Fig. 2 angedeutet ist. In Fig. 1 erkennt man ferner den Doppelstössel 5 mit Verzahnung 6, in die ein Vorschubsystem eingreift, das dann im Zusammenhang mit Fig. 5 erläutert wird.In Fig. 1 one recognizes a discharge device according to the invention, with a dispensing device 1 and a multi-component syringe 2, here double syringe, the sake of simplicity hereinafter syringe named, the syringe is inserted laterally with respect to the plane defined by the handle 3 and trigger lever 4 of the dispensing device, such as this is indicated by the arrow P in Fig. 2 is indicated. In Fig. 1 can be seen also the double ram 5 with teeth 6, in which engages a feed system, which then in connection with Fig. 5 is explained.

Die Spritze 2 weist im vorliegenden Fall zwei Vorratsbehälter 7 und 8 auf, wobei der Vorratsbehälter 7 einen grösseren Querschnitt aufweist als Vorratsbehälter 8 und demgemäss ein grösseres Volumen. Einlassseitig weist die Spritze einen Rückhalte-, bzw. Befestigungsflansch 9 und auslassseitig die beiden Auslässe 10 und 11 sowie Befestigungsmittel 12 auf, z.B. Bajonettfassungen.The syringe 2 has in the present case two reservoirs 7 and 8, wherein the reservoir 7 has a larger cross-section than reservoir 8 and accordingly a larger volume. On the inlet side, the syringe has a retaining or mounting flange 9 and on the outlet side the two outlets 10 and 11 and fastening means 12, e.g. Bayonet sockets.

Der Befestigungsflansch 9 weist zwei Schenkel 16 und 17 auf, die als Auflage für die Finger dienen, für den Fall, dass die Spritze von Hand betätigt wird, wobei die zum Spritzenauslass hin gerichteten Auflageflächen 13 und 14 an den Schenkeln anatomisch geformt, d.h. gewölbt sind. Dies ergibt eine abgewinkelte Form des Befestigungsflansches 9, wie dies am besten aus Figur 3 hervorgeht. Das heisst mit anderen Worten, dass der Befestigungsflansch nicht senkrecht und eben zur Längsachse der Vorratszylinder verläuft sondern in Bezug auf diese Einschubebene P1 zwei abgewinkelte Schenkel aufweist, wobei die Schenkelauflagen gegenüber der Einschubebene P1 zweckmässigerweise einen Winkel von 20° - 35° bilden.The mounting flange 9 has two legs 16 and 17 which serve as a support for the fingers, in the event that the syringe is actuated by hand, wherein the syringe outlet directed towards the bearing surfaces 13 and 14 on the legs anatomically shaped, ie curved , This results in an angled shape of the mounting flange 9, as best of all FIG. 3 evident. This means in other words that the mounting flange is not perpendicular and just to the longitudinal axis of the storage cylinder but with respect to this insertion plane P1 has two angled legs, the leg supports relative to the insertion plane P1 expediently form an angle of 20 ° - 35 °.

Diese abgewinkelte Form des Befestigungsflansches ergibt eines der Codierungsmittel, wodurch sonst im Handel übliche Spritzen oder Kartuschen nicht verwendet werden können und somit die Gefahr beseitigt wird, dass mit diesem Austraggerät unzertifizierte Spritzen verwendet werden können. Wie aus Fig. 3 ferner hervorgeht, ist die Dicke D1 von Schenkel 16 des Befestigungsflansches grösser als die Dicke D2 von Schenkel 17 des Befestigungsflansches.This angled shape of the mounting flange results in one of the coding means whereby otherwise conventional commercially available syringes or cartridges can not be used and thus the risk is eliminated that can be used with this dispensing unzertifizierte syringes. How out Fig. 3 Furthermore, it can be seen, the thickness D1 of leg 16 of the mounting flange is greater than the thickness D2 of leg 17 of the mounting flange.

Aus den Fig. 6 und 7 geht hervor, dass die Spritzenhalterung 18 als vereinzeltes Austauschteil ausgeführt ist, wobei die Spritzenhalterung eine Einschuböffnung 19 aufweist, die entsprechend dem Befestigungsflansch 9 geformt ist. Somit weist die Einschuböffnung 19 einen Schlitz 20 auf, der dem oberen dickeren Schenkel 16 des Befestigungsflansches entspricht und einen zweiten Schlitz 21, der dem unteren, dünneren Schenkel 17 des Befestigungsflansches entspricht.From the 6 and 7 shows that the syringe holder 18 is designed as a separate replacement part, wherein the syringe holder has an insertion opening 19 which is shaped according to the mounting flange 9. Thus, the insertion opening 19 has a slot 20 which corresponds to the upper thicker leg 16 of the mounting flange and a second slot 21 which corresponds to the lower, thinner leg 17 of the mounting flange.

Die Spritzenhalterung 18, mit ihrem U-förmigen Führungsteil 22 wird in eine entsprechend geformte Öffnung im Gehäuse 23 eingeschoben und durch den Deckel 24, siehe Fig. 1, festgehalten, wobei sich der vordere Deckelteil über eine Seite 25 eines U-förmigen Absatzes legt, der mit seinen zwei anderen Seiten an der Rückhaltewand 26 des Gerätes befestigt ist. Die geräteseitige Wand der Spritzenhalterung weist einen Durchlass 27 für die Stössel sowie eine Aussparung für die Stösselplatten auf.The syringe holder 18, with its U-shaped guide member 22 is inserted into a correspondingly shaped opening in the housing 23 and through the lid 24, see Fig. 1 held, wherein the front cover part overlies a side 25 of a U-shaped shoulder, which is fastened with its two other sides to the retaining wall 26 of the device. The device-side wall of the syringe holder has a passage 27 for the plunger and a recess for the plunger plates.

In Fig. 4 ist auf dem dickeren Schenkel 16 des Befestigungsflansches eine Kerbe 28 eingezeichnet, die als Markierung, bzw. visuelle Codierung dient. Im Rahmen der vorliegenden Austragvorrichtung wird die Kerbe stets auf dem dickeren Schenkel des Befestigungsflansches angebracht, wobei diese Kerbe mit einer weiteren visuellen Codierung, hier Kerbe 30, am Kartuschenauslass-Flansch 31, bzw. Mischeranschluss übereinstimmt - siehe Figur 4A, so dass sowohl die Spritze als auch der Mischer gerichtet angeschlossen werden können, wodurch eine sehr grosse Betriebssicherheit geschaffen wird. Die Kerben 28 und 30 werden auch bei Spritzen angebracht, deren Vorratsbehälter ein Querschnittverhältnis von 1:1 aufweisen.In Fig. 4 is a notch 28 shown on the thicker leg 16 of the mounting flange, which serves as a marker, or visual coding. In the context of the present discharge device, the notch is always mounted on the thicker leg of the mounting flange, which notch coincides with another visual coding, here notch 30, at the cartridge outlet flange 31, or mixer port - see FIG. 4A so that both the syringe and the mixer can be connected in a directional manner, which creates a very high level of operational safety. The notches 28 and 30 are also applied to syringes whose reservoirs have a cross-sectional ratio of 1: 1.

In Fig. 7 ist eingezeichnet, dass die Kontur der Einschuböffnung 19 nicht stetig verläuft, sondern eine Einengung, z.B. beidseitig eine kleine Nase 29 aufweist, die der zuerst einzuschiebende Vorratsbehälter überwinden muss, wodurch die Spritze gehalten ist. Es geht ferner aus Fig. 7 hervor, dass bei Spritzen mit verschiedenen Vorratsbehältern die Spritze stets mit dem grössten Vorratsbehälter zuerst eingeschoben wird, wodurch dessen Flanschteil über einen grossen Umfang gehalten ist, während der kleinere Vorratszylinder über einen ausreichenden Teil des Befestigungsflansches gehalten ist. Dadurch werden die grössten Kräfte, die bei dem grösseren Vorratszylinder entstehen, aufgefangen.In Fig. 7 is drawn in that the contour of the insertion opening 19 is not continuous, but a constriction, for example, on both sides a small nose 29 which must overcome the first einzubende reservoir, whereby the syringe is held. It goes out further Fig. 7 shows that in syringes with different reservoirs, the syringe is always inserted with the largest reservoir first, whereby the flange part is held over a large circumference, while the smaller storage cylinder is held over a sufficient part of the mounting flange. As a result, the greatest forces that arise at the larger storage cylinder, are collected.

Bei der 1:1-Version treten im Vergleich zu den 4:1 oder 10:1 Versionen nur mittelgrosse Kräfte bei den Vorratsbehältern auf, welche vom Befestigungsflansch ausreichend aufgenommen werden.In the 1: 1 version, compared with the 4: 1 or 10: 1 versions, only medium-sized forces occur in the storage containers, which are adequately absorbed by the mounting flange.

Davon ausgehend wird je nach Spritzenart und -grösse eine Spritzenhalterung mit entsprechender Einschuböffnung angefertigt, wobei jedoch dessen Aussenkonturen jeweils dieselben sind, um in der Öffnung des Austraggerätes befestigt werden zu können. Es ist auch möglich, die Spritzenhalterungen so zu gestalten, dass sie ausgewechselt werden können, ohne zuerst den Deckel am Gerätegehäuse abnehmen zu müssen. Zu erwähnen ist in diesem Zusammenhang, dass zum Entfernen der Spritzenhalterung zuerst der Doppelstössel ganz aus dem Gerät herausgezogen werden muss.Based on this, depending on the syringe type and size, a syringe holder with a corresponding insertion opening is made, but its outer contours are each the same in order to be able to be fixed in the opening of the dispensing device. It is also possible to design the syringe holders so that they can be replaced without first having to remove the lid on the device housing. It should be mentioned in this context that to remove the syringe holder, the double ram must first be pulled out of the device completely.

Bei einem Satz von Spritzen und/oder von Spritzenhalterungen ist eine Codierung der Spritzengrössen, bzw. deren Volumen und/oder Verhältnis der Vorratsbehälter = Mischverhältnis von grossem Vorteil. So kann die Länge CL und die Breite CW des Befestigungsflansches, siehe Figuren 3 und 4, für die Codierung der Spritzenvolumen, und die Öffnungsweite OW des U-förmigen Führungsteils der Spritzenhalterung für die Codierung der Mischverhältnisse verwendet werden. Eine Unterstützung der Codierung durch Farbgebung bleibt dadurch unbenommen.In a set of syringes and / or syringe holders is a coding of the syringe sizes, or their volume and / or ratio of the reservoir = mixing ratio of great advantage. Thus, the length CL and the width CW of the mounting flange, see FIGS. 3 and 4 , for the coding of the syringe volumes, and the opening width OW of the U-shaped guide part of the syringe holder for the coding of the mixing ratios are used. A support of coding by coloring remains thereby undone.

Der Vorschubmechanismus des Austraggerätes ist an sich bekannt, z. B. aus der US-A-5 992 694 des gleichen Anmelders. Wichtig ist bei einem solchen Gerät, die Kraft und Bewegung eines Hebels effizient in eine lineare Vorwärtsbewegung der Stössel zu übertragen.The feed mechanism of the dispensing device is known per se, for. B. from the U.S. Pat. No. 5,992,694 of the same applicant. It is important in such a device to efficiently transfer the force and movement of a lever into a linear forward movement of the plunger.

Beschrieben wurde die Vorrichtung anhand einer Doppelspritze, doch kann anstatt einer Doppelspritze auch eine Spritze mit mehr als zwei Vorratszylindern verwendet werden, wobei bei der Verwendung eines Austraggerätes dieses in der Regel die gleiche Anzahl Stössel aufweist. Ausserdem können anstatt Spritzen, wie bereits eingangs erwähnt, Kartuschen vorgesehen sein. Der Auslass der Spritze oder Kartusche kann für einen herkömmlichen Mischer des Standes der Technik vorgesehen sein und eine an sich bekannte Verschlusskappe aufnehmen oder es können andere Misch- und Austragsysteme sowie Verlängerungsteile oder -rohre angeschlossen werden.The device has been described with reference to a double syringe, but instead of a double syringe, a syringe with more than two supply cylinders can be used, wherein when using a dispensing device this usually has the same number of plungers. In addition, instead of spraying, as already mentioned, cartridges may be provided. The outlet of the syringe or cartridge may be provided for a conventional mixer of the prior art and may receive a known cap or other mixing and dispensing systems and extension parts or tubes may be connected.

Claims (10)

  1. A dispensing device comprising a dispensing unit and a multicomponent syringe or cartridge, the fastening parts of the syringe or cartridge being configured such that the syringe or cartridge is insertable into a holder on the dispensing unit in the plane formed by longitudinal axes of its storage containers and transversely to the plane formed by the handle and by the trigger of the dispensing unit, characterized in that the fastening means (9) on the syringe (2) or cartridge and the holder (18) on the dispensing unit (1) have coding elements (16, 17; 20, 21) that allow an insertion of the syringe or cartridge in only one orientation; and in that the fastening means on the syringe or cartridge include a fastening flange (9) having two legs (16, 17) that are angled with respect to the insertion plane (P1), the fastening flange (9, 16, 17) fitting into a complementary insertion opening (19) in the holder (18) of the dispensing unit (1).
  2. A dispensing device according to claim 1, characterized in that the legs (16, 17) form an angle of 20° to 35° with the insertion plane (P1) and have an ergonomic curvature.
  3. A dispensing device according to claim 1 or claim 2, characterized in that the thickness (D1) of the first leg (16) is greater than the thickness (D2) of the second leg (17).
  4. A dispensing device according to any one of claims 1 to 3 with a syringe or cartridge whose storage containers have a cross-sectional ratio that is different from 1:1, characterized in that the coding is configured such that the syringe or cartridge has to be inserted with the storage container (7) having the larger cross-section first.
  5. A dispensing device according to any one of claims 1 to 4, characterized in that the insertion opening (19) of the syringe holder (18) has a constriction (29).
  6. A dispensing device according to any one of claims 1 to 5, characterized in that one (16) of the two legs (16, 17) of the fastening flange (9) has a visual coding (28) that corresponds to a further visual coding (30) on the outlet of the syringe or cartridge.
  7. A dispensing device according to any one of claims 1 to 6, characterized in that the syringe holder (18) is designed as an isolated component and can be removably fastened in the housing (23) of the dispensing unit (1).
  8. A dispensing device according to any one of claims 1 to 7, comprising a dispensing unit (1), a set of syringes (2) or cartridges having different geometrical dimensions and different cross-sectional ratios of the storage containers (7, 8), as well as a set of exchangeable syringe holders (18) whose insertion openings (19) are each adapted to the fastening flanges (9) of the syringes or cartridges with their angled legs (16, 17), with the remaining parts (22, 25) that are adapted to the housing (23) of the dispensing unit being made the same.
  9. A dispensing device according to claim 8, characterized in that the length (CL) and/or the width (CW) of the fastening flange (9) serve as a coding of the syringe volumes, and the opening width (OW) of the guiding portion (22) of the syringe holder (18) serve as a coding of the mixing ratios.
  10. A dispensing device according to any one of claims 1 to 9 for the manual handling, characterized in that the surfaces (13, 14) of the legs (16, 17) of the fastening flange (9) of the syringe directed toward the syringe outlet are ergonomically shaped or curved.
EP05759644A 2004-08-09 2005-07-19 Discharging device comprising a discharge mechanism and a multicomponent syringe Active EP1796849B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200531122T SI1796849T1 (en) 2004-08-09 2005-07-19 Discharging device comprising a discharge mechanism and a multicomponent syringe
PL05759644T PL1796849T3 (en) 2004-08-09 2005-07-19 Discharging device comprising a discharge mechanism and a multicomponent syringe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH13212004 2004-08-09
PCT/CH2005/000422 WO2006015506A1 (en) 2004-08-09 2005-07-19 Discharging device comprising a discharge mechanism and a multicomponent syringe

Publications (2)

Publication Number Publication Date
EP1796849A1 EP1796849A1 (en) 2007-06-20
EP1796849B1 true EP1796849B1 (en) 2010-06-30

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EP05759644A Active EP1796849B1 (en) 2004-08-09 2005-07-19 Discharging device comprising a discharge mechanism and a multicomponent syringe

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US (1) US8132694B2 (en)
EP (1) EP1796849B1 (en)
JP (1) JP4916440B2 (en)
CN (1) CN100503057C (en)
AT (1) ATE472379T1 (en)
DE (1) DE502005009835D1 (en)
DK (1) DK1796849T3 (en)
ES (1) ES2347162T3 (en)
PL (1) PL1796849T3 (en)
SI (1) SI1796849T1 (en)
WO (1) WO2006015506A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH705569A1 (en) 2011-11-01 2013-05-15 Medmix Systems Ag Discharge apparatus for semi-solid materials.
US9668881B1 (en) 2013-03-15 2017-06-06 Surgentec, Llc Bone graft delivery system and method for using same
US8945137B1 (en) 2013-03-15 2015-02-03 Surgical Device Exchange, LLC Bone graft delivery system and method for using same
US10238507B2 (en) 2015-01-12 2019-03-26 Surgentec, Llc Bone graft delivery system and method for using same
WO2017151751A1 (en) * 2016-03-02 2017-09-08 Think Surgical, Inc. Method for recovering a registration of a bone
US11116647B2 (en) 2018-04-13 2021-09-14 Surgentec, Llc Bone graft delivery system and method for using same
US10687828B2 (en) 2018-04-13 2020-06-23 Surgentec, Llc Bone graft delivery system and method for using same

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EP0291753B1 (en) 1987-05-20 1990-11-14 Wilhelm A. Keller Dispensing device for double compartment cartridges
US5129825A (en) * 1987-12-21 1992-07-14 Discko John Jr Dental syringe and capsule for use therewith
JPH0547450Y2 (en) * 1989-09-25 1993-12-14
EP0543776B1 (en) 1991-11-18 1995-10-04 Wilhelm A. Keller Security hook for securing a cartridge to a hand dispenser
EP0748189A1 (en) 1994-02-28 1996-12-18 Minnesota Mining And Manufacturing Company Dual chamber cartridge dispensing system for dental material
US5441175A (en) * 1994-05-23 1995-08-15 Jacobsen; Kenneth H. Universal tool for twin cartridge material systems
US5722829A (en) * 1995-02-27 1998-03-03 Minnesota Mining & Manufacturing Co. Cartridge dispensing system for dental material
US6769574B1 (en) 1995-03-13 2004-08-03 Mixpac Systems Ag Dispensing assembly having coded attachment of an accessory to a multiple component cartridge or dispensing device using differently sized inlets and outlets
US5918772A (en) 1995-03-13 1999-07-06 Wilhelm A. Keller Bayonet fastening device for the attachment of an accessory to a multiple component cartridge or dispensing device
US5542934A (en) * 1995-06-02 1996-08-06 Silver; Richard M. Multiple carpule hypodermic syringe
EP0791403B1 (en) * 1996-02-21 1999-12-15 Wilhelm A. Keller Means for the correct attachment of a multiple component cartridge to a dispensing appliance
ES2173264T3 (en) * 1996-02-21 2002-10-16 Wilhelm A Keller HAND-DRIVEN CONTRIBUTION APPARATUS FOR A DOUBLE CARTRIDGE.
JPH1050304A (en) 1996-08-02 1998-02-20 Japan Storage Battery Co Ltd Manufacture of paste-type electrode plate for lead-acid battery
JP3050304B2 (en) 1997-12-04 2000-06-12 日本電気株式会社 Optical ADM device
US6394314B1 (en) * 1999-10-12 2002-05-28 Discus Dental Impressions, Inc. Double-barreled syringe with detachable locking mixing tip
US6398761B1 (en) * 2001-01-19 2002-06-04 Ultradent Products, Inc. Double syringe barrels with ported delivery ends
US6938799B1 (en) * 2003-08-11 2005-09-06 Kenneth R. Berntsen Sealant/adhesive gun

Also Published As

Publication number Publication date
US20070289998A1 (en) 2007-12-20
JP4916440B2 (en) 2012-04-11
PL1796849T3 (en) 2010-12-31
CN100503057C (en) 2009-06-24
JP2008508999A (en) 2008-03-27
CN1993187A (en) 2007-07-04
WO2006015506A1 (en) 2006-02-16
EP1796849A1 (en) 2007-06-20
ES2347162T3 (en) 2010-10-26
ATE472379T1 (en) 2010-07-15
DK1796849T3 (en) 2010-10-25
US8132694B2 (en) 2012-03-13
SI1796849T1 (en) 2010-11-30
DE502005009835D1 (en) 2010-08-12

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