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EP1628706A1 - Device for connecting a tubule to a mixer - Google Patents

Device for connecting a tubule to a mixer

Info

Publication number
EP1628706A1
EP1628706A1 EP04734800A EP04734800A EP1628706A1 EP 1628706 A1 EP1628706 A1 EP 1628706A1 EP 04734800 A EP04734800 A EP 04734800A EP 04734800 A EP04734800 A EP 04734800A EP 1628706 A1 EP1628706 A1 EP 1628706A1
Authority
EP
European Patent Office
Prior art keywords
mixer
tube
retaining
piece
transition piece
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.)
Withdrawn
Application number
EP04734800A
Other languages
German (de)
French (fr)
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
Original Assignee
Mixpac Systems AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mixpac Systems AG filed Critical Mixpac Systems AG
Publication of EP1628706A1 publication Critical patent/EP1628706A1/en
Withdrawn legal-status Critical Current

Links

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
    • A61M5/19—Syringes having more than one chamber, e.g. including a manifold coupling two parallelly aligned syringes through separate channels to a common discharge assembly
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M39/12—Tube connectors; Tube couplings for joining a flexible tube to a rigid attachment
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1077—Adapters, e.g. couplings adapting a connector to one or several other connectors

Definitions

  • the present invention relates to a connection for a tube to a mixer or mixer accessory.
  • a tube also called a capillary
  • a mixer For certain applications, especially in the dental or medical field, it is often necessary to connect a tube, also called a capillary, to a mixer in order to be able to apply the mixed material selectively, even in places that are difficult to access.
  • EP-A-0 091 773 discloses a connection of a pressure hose for compressed air controls, the hose being slotted and a clamp acting on it. Such an arrangement is not suitable for dental or medical technology.
  • EP-A-0 368 377 discloses an implantable injection chamber with a tube on the chamber into which a catheter is inserted, which is then fastened with a clamping ring.
  • US-A-4 013 310 relates to a connection for a tube to a connecting device, the tube being inserted into a flexible, slotted outlet of the device and a displaceable clamping ring securing the tube.
  • US-A-4 690 306 relates to a connection between an outlet piece and a mixer, but a screw ring is used for fastening.
  • US-A-4 771 919 discloses mounting a mixer on a cartridge by means of an adjustable screw ring.
  • US-A-3 971 576 relates to a hose connector for pneumatic circuits.
  • Figure 1 shows an embodiment cut and in side view
  • FIG. 1 shows the embodiment of Figure 1 in
  • the transition piece 3 has an insertion end 8 which is pushed into the mixer outlet and a conical end piece 9 with paragraph 10, while at the other end a conical retaining part 12 provided with slots 11 is arranged.
  • the slots 11 define retaining lamellae 14.
  • the bore 13 in the retaining part which corresponds to the outer diameter of the capillary, extends to the insertion end of the transition piece.
  • At least one of the retaining slats 14 has an inwardly directed nose 15 which fits into a corresponding notch or annular groove 16 in FIG
  • Capillary engages to hold it back. This is usually the case if the capillary is made of metal. If the capillary is made of a resilient material, the nose presses into the material of the capillary to hold it back.
  • fastening piece 4 which on the inside consists of a cylindrical part 17 and a conical part 18, the conical part tapering towards the end. It can also be seen that the
  • Fastening piece 4 at the end on the mixer side has a circumferential groove 20 into which a corresponding bead or protrusions 19 snaps or snaps on the outside of the mixer end.
  • Other snap-in elements such as noses and notches can also be used
  • the transition piece Before attaching a tube or capillary, the transition piece is pushed as far as it will go into the mixer outlet until the shoulder 9 comes behind the inner groove 6 on the mixer, snaps into place and holds the transition piece.
  • the capillary is pushed as far as it will go into the transition piece and then the fastening piece 4 is pushed on, causing the Retaining lamellae of the transition piece are pressed together and form a secure hold for the capillary.

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Pulmonology (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to a device for connecting a tubule (2) to a mixer or a mixer accessory that can be obtained on the market. Said device is provided with a transition piece (3) and a fixing piece (4), the transition piece comprising an insertion part (8) on one end and a receiving part (12) on the other end, and the fixing piece being slipped over the transition piece. One such connecting device enables thin tubules to be used in a reliable and simple manner e.g. in medical technology.

Description

Anschluss für ein Röhrchen an einen MischerConnection for a tube to a mixer
Die vorliegende Erfindung bezieht sich auf einen Anschluss für ein Röhrchen an einen Mischer oder Mischerzubehörteil.The present invention relates to a connection for a tube to a mixer or mixer accessory.
Für gewisse Anwendungen, vor allem im Dental- oder Medizinalbereich, ist es oft notwendig, an einen Mischer ein Röhrchen, auch Kapillare genannt, anzuschliessen, um das vermischte Material punktuell, auch an schwer zugänglichen Stellen, anbringen zu können.For certain applications, especially in the dental or medical field, it is often necessary to connect a tube, also called a capillary, to a mixer in order to be able to apply the mixed material selectively, even in places that are difficult to access.
Die EP-A-0 091 773 offenbart einen Anschluss eines Druckschlauches für Pressluft-Steuerungen, wobei der Schlauch geschlitzt wird und eine Klemme darauf wirkt. Eine solche Anordnung ist für die Dental- oder Medizinaltechnik nicht geeignet.EP-A-0 091 773 discloses a connection of a pressure hose for compressed air controls, the hose being slotted and a clamp acting on it. Such an arrangement is not suitable for dental or medical technology.
Die EP-A-0 368 377 offenbart eine implantierbare Injektionskammer mit einem Tubus an der Kammer, in den ein Katheter gesteckt wird, der dann mit einem Klemmring befestigt wird.EP-A-0 368 377 discloses an implantable injection chamber with a tube on the chamber into which a catheter is inserted, which is then fastened with a clamping ring.
Die US-A-4 013 310 bezieht sich auf einen Anschluss für einen Tubus an eine Verbindungsvorrichtung, wobei der Tubus in einen flexiblen, geschlitzten Ausgang der Vorrichtung gesteckt wird und ein verschiebbarer Klemmring den Tubus befestigt.US-A-4 013 310 relates to a connection for a tube to a connecting device, the tube being inserted into a flexible, slotted outlet of the device and a displaceable clamping ring securing the tube.
Die US-A-4 690 306 bezieht sich auf eine Verbindung zwischen einem Auslass-Stück und einem Mischer, wobei jedoch zur Befestigung ein Schraubring verwendet wird.US-A-4 690 306 relates to a connection between an outlet piece and a mixer, but a screw ring is used for fastening.
Die US-A-4 771 919 offenbart eine Befestigung eines Mischers auf eine Kartusche mittels eines verstellbaren Schraubrings. Die US-A-3 971 576 bezieht sich auf einen Schlauchanschluss für pneumatische Schaltungen.US-A-4 771 919 discloses mounting a mixer on a cartridge by means of an adjustable screw ring. US-A-3 971 576 relates to a hose connector for pneumatic circuits.
Es ist von diesem bekannten Stand der Technik ausgehend eine Aufgabe der vorliegenden Erfindung, einen für die Dental- und Medizinaltechnik verwendbaren, dichten Anschluss für an einen Mischer oder Mischerzubehörteil verbindbares Röhrchen anzugeben, der unter Verwendung von auf dem Markt erhältlichen Mischern kostengünstig herstellbar und einfach anwendbar ist. Ein solcher Anschluss ist in Anspruch 1 beschrieben.Based on this known prior art, it is an object of the present invention to provide a tight connection which can be used for dental and medical technology for a tube which can be connected to a mixer or mixer accessory and which can be produced inexpensively and is simple to use using mixers available on the market is. Such a connection is described in claim 1.
Die Erfindung wird im Folgenden anhand von Zeichnungen eines Ausführungsbeispiels näher erläutert.The invention is explained in more detail below with the aid of drawings of an exemplary embodiment.
Figur 1 zeigt ein Ausführungsbeispiel geschnitten und in Seitenansicht, undFigure 1 shows an embodiment cut and in side view, and
Figur 2 zeigt das Ausführungsbeispiel von Figur 1 imFigure 2 shows the embodiment of Figure 1 in
Längsschnitt.Longitudinal section.
In Figur 1 erkennt man einen Teil eines Mischers 1 und eine anzuschliessende Kapillare 2, die aus einem unnachgiebigen Werkstoff, z.B. Metall, oder einem nachgiebigen Material, z.B. Kunststoff, sein kann, ein Übergangsstück 3 und ein Befestigungsstück 4. Vom Mischer ist im Wesentlichen nur das Mischergehäuse 5 dargestellt. Der Mischer, bzw. das Mischergehäuse ist konventionell und seit einiger Zeit auf dem Markt erhältlich. In diesem Zusammenhang interessiert vor allem, dass beim Mischerauslassende eine Innennut 6 sowie eine Aussenabstufung 7 vorhanden sind.In Figure 1 you can see a part of a mixer 1 and a capillary 2 to be connected, which are made of a rigid material, e.g. Metal, or a compliant material, e.g. Plastic, can be a transition piece 3 and a fastening piece 4. Of the mixer, essentially only the mixer housing 5 is shown. The mixer or mixer housing is conventional and has been available on the market for some time. In this context, it is of particular interest that an inner groove 6 and an outer step 7 are present at the mixer outlet end.
Das Übergangsstück 3 weist ein Einschubende 8 auf, das in den Mischerauslass geschoben wird und ein konisches Endstück 9 mit Absatz 10 aufweist, während am anderen Ende ein konisches, mit Schlitzen 11 versehene Rückhalteteil 12 angeordnet ist. Die Schlitze 11 definieren Rückhaltelamellen 14. Die Bohrung 13 im Rückhalteteil, die dem Aussendurchmesser der Kapillare entspricht, reicht bis zum Einschubende des Übergangsstücks.The transition piece 3 has an insertion end 8 which is pushed into the mixer outlet and a conical end piece 9 with paragraph 10, while at the other end a conical retaining part 12 provided with slots 11 is arranged. The slots 11 define retaining lamellae 14. The bore 13 in the retaining part, which corresponds to the outer diameter of the capillary, extends to the insertion end of the transition piece.
Gegen das Ende hin weist mindestens eine der Rückhaltelamellen 14 eine nach Innen gerichtete Nase 15 auf, die in eine entsprechende Kerbe oder Ringnut 16 derTowards the end, at least one of the retaining slats 14 has an inwardly directed nose 15 which fits into a corresponding notch or annular groove 16 in FIG
Kapillare eingreift, um diese zurückzuhalten. Dies in der Regel für den Fall, dass die Kapillare aus Metall besteht. Falls die Kapillare aus einem nachgiebigen Material besteht, drückt sich die Nase in das Material der Kapillare, um diese zurückzuhalten.Capillary engages to hold it back. This is usually the case if the capillary is made of metal. If the capillary is made of a resilient material, the nose presses into the material of the capillary to hold it back.
Ein weiteres Teil ist das Befestigungsstück 4, das auf der Innenseite aus einem zylindrischen Teil 17 und einem konischen Teil 18 besteht, wobei sich das konische Teil zum Ende hin verjüngt. Ferner ist ersichtlich, dass dasAnother part is the fastening piece 4, which on the inside consists of a cylindrical part 17 and a conical part 18, the conical part tapering towards the end. It can also be seen that the
Befestigungsstück 4 am mischerseitigen Ende im Innern eine umlaufende Nut 20 aufweist, in die ein entsprechender Wulst oder Vorsprünge 19 aussen am Mischerende einschnappt oder einschnappbar. Es sind auch andere, einschnappbare Elemente wie Nasen und Kerben verwendbarFastening piece 4 at the end on the mixer side has a circumferential groove 20 into which a corresponding bead or protrusions 19 snaps or snaps on the outside of the mixer end. Other snap-in elements such as noses and notches can also be used
Vor dem Befestigen eines Röhrchen oder Kapillare wird das Übergangsstück bis zum Anschlag in den Mischerausgang gestossen, bis der Absatz 9 hinter die Innennut 6 am Mischer gelangt, einschnappt und das Übergangsstück festhält.Before attaching a tube or capillary, the transition piece is pushed as far as it will go into the mixer outlet until the shoulder 9 comes behind the inner groove 6 on the mixer, snaps into place and holds the transition piece.
Daraufhin wird die Kapillare bis zum Anschlag in das Übergangsstück gestossen und anschliessend das Befestigungsstück 4 aufgeschoben, wodurch die Rückhaltelamellen des Übergangsstücks zusammengepresst werden und einen sicheren Halt für die Kapillare bilden.Then the capillary is pushed as far as it will go into the transition piece and then the fastening piece 4 is pushed on, causing the Retaining lamellae of the transition piece are pressed together and form a secure hold for the capillary.
Es ist im Rahmen dieser Ausführung auch denkbar, ein anderes Befestigungsstück zu verwenden, beispielsweise mit einem Schraubgewinde, um einen besseren Rückhalt auf dem Mischergehäuse zu erzielen oder, ähnlich der Einkerbung oder der umlaufenden Nut auf der Kapillare, eine solche Kerbe oder ein anderes Rückhalteelement am Mischer sowie an einem Ende des Befestigungsstücks vorzusehen. Es ist auch möglich, das Befestigungsstück durch Kleben am Mischer zu befestigen.It is also conceivable in the context of this embodiment to use a different fastening piece, for example with a screw thread, in order to achieve better retention on the mixer housing or, similar to the indentation or the circumferential groove on the capillary, such a notch or another retaining element on Mixer and to be provided at one end of the mounting piece. It is also possible to attach the fastening piece to the mixer by gluing.
In einem weiteren Ausführungsbeipiel wird kein separates Rückhalteteil verwendet, sondern die Rückhaltelamellen werden direkt am Mischerauslass angespritzt oder separat hergestellt und mit diesem fest verbunden. Mit dieser Lösung kann die ganze Befestigung eines Röhrchens vereinfacht werden. Das Befestigungsstück ist dasselbe wie vorhergehend beschrieben oder analog dazu geformt, mit der gleichen Funktion. In a further exemplary embodiment, no separate retaining part is used, but the retaining lamellae are injection-molded directly on the mixer outlet or manufactured separately and firmly connected to it. With this solution, the entire fastening of a tube can be simplified. The fastener is the same as previously described or shaped analogously, with the same function.

Claims

Patentansprüche claims
1. Anschluss für ein Röhrchen an einen Mischer oder Mischer-Zubehörteil, mit einem Übergangsstück (3) und einem Befestigungsstück (4), wobei das Übergangsstück an einem Ende ein Einschubteil (8) und am anderen Ende ein Aufnahmeteil (12) aufweist.1. Connection for a tube to a mixer or mixer accessory, with a transition piece (3) and a fastening piece (4), the transition piece having an insertion part (8) at one end and a receiving part (12) at the other end.
2. Anschluss nach Anspruch 1, dadurch gekennzeichnet, dass das zum Einschieben in den Mischerauslass vorgesehene2. Connection according to claim 1, characterized in that that provided for insertion into the mixer outlet
Einschubteil des Übergangsstück ein konisches Ende (9) mit Absatz (10) und das zur Aufnahme des Röhrchens (2) vorgesehene Rückhalteteil (12) des Übergangsstücks Rückhalteelemente (14) aufweist.Insert part of the transition piece has a conical end (9) with shoulder (10) and the retaining part (12) of the transition piece provided for receiving the tube (2) has retaining elements (14).
3. Mischer oder Mischerzubehör und daran anschliessbares Röhrchen, dadurch gekennzeichnet, dass am Mischerauslass Rückhaltelemente für das Röhrchen angeordnet sind und ein auf den Mischerauslass aufschiebbares Befestigungsstück (4) vorgesehen ist.3. Mixer or mixer accessories and a tube which can be connected thereto, characterized in that retaining elements for the tube are arranged at the mixer outlet and a fastening piece (4) which can be pushed onto the mixer outlet is provided.
4. Anschluss nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Befestigungsstück (4) am Mischerende ein im Innern zylindrisches Teil (18) und am anderen Ende ein im Innern konisches Teil (17) aufweist.4. Connection according to one of claims 1 to 3, characterized in that the fastening piece (4) at the mixer end has an inside cylindrical part (18) and at the other end an inside conical part (17).
5. Anschluss nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Rückhaltelemente Rückhaltelamellen (14) sind und mindestens eine der Rückhaltelamellen (14) eine Nase (15) aufweist.5. Connection according to one of claims 1 to 4, characterized in that the retaining elements are retaining slats (14) and at least one of the retaining slats (14) has a nose (15).
6. Anschluss nach Anspruch 5, dadurch gekennzeichnet, dass das Röhrchen aus einem unnachgiebigen Material eine der Nase an der Rückhaltelamelle entsprechende Kerbe oder Ringnut (16) aufweist. 6. Connection according to claim 5, characterized in that the tube made of an unyielding material has a notch or annular groove (16) corresponding to the nose on the retaining lamella.
7. Anschluss nach Anspruch 4, dadurch gekennzeichnet, dass der zylindrische Teil (18) des Befestigungsteils (4) innen eine Nut (20) aufweist, die mit einem inneren Wulst oder Vorsprünge (19) am Mischer kooperiert. 7. Connection according to claim 4, characterized in that the cylindrical part (18) of the fastening part (4) has a groove (20) inside, which cooperates with an inner bead or projections (19) on the mixer.
EP04734800A 2003-06-03 2004-05-26 Device for connecting a tubule to a mixer Withdrawn EP1628706A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH9792003 2003-06-03
PCT/CH2004/000318 WO2004105856A1 (en) 2003-06-03 2004-05-26 Device for connecting a tubule to a mixer

Publications (1)

Publication Number Publication Date
EP1628706A1 true EP1628706A1 (en) 2006-03-01

Family

ID=33480360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04734800A Withdrawn EP1628706A1 (en) 2003-06-03 2004-05-26 Device for connecting a tubule to a mixer

Country Status (3)

Country Link
US (2) US20070025181A1 (en)
EP (1) EP1628706A1 (en)
WO (1) WO2004105856A1 (en)

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WO2004105856A1 (en) 2004-12-09
US20090302596A1 (en) 2009-12-10

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