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DE20216631U1 - Syringe for mixing solids and liquids, e.g. adhesives or bone cement, comprising liquid-tight piston in cylinder which is not air-tight - Google Patents

Syringe for mixing solids and liquids, e.g. adhesives or bone cement, comprising liquid-tight piston in cylinder which is not air-tight
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DE20216631U1
DE20216631U1DE20216631UDE20216631UDE20216631U1DE 20216631 U1DE20216631 U1DE 20216631U1DE 20216631 UDE20216631 UDE 20216631UDE 20216631 UDE20216631 UDE 20216631UDE 20216631 U1DE20216631 U1DE 20216631U1
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air
syringe
tight
liquid
solid
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Abstract

A syringe comprises liquid-tight piston in injection cylinder (1) which is not air-tight.

Description

Translated fromGerman

Beim Mischen von flüssigen mitpulverförmigenSubstanzen, wie dies z.B. bei der Zubereitung von bestimmten Klebstoffenoder Knochenzement erforderlich ist, wird beim offenen Rühren immerLuft untergemischt, was der Festigkeit der Substanzen nicht zuträglich ist.When mixing liquid withpowderySubstances such as when preparing certain adhesivesor bone cement is always required when stirring openAir mixed in, which is not conducive to the strength of the substances.

Im Bereich der Knochenzemente wurdenzur Lösungdieses Problems z.B. komplizierte Vakuum-Mischapparate entwickelt.Die vorliegende Erfindung beschreibt eine einfache Vorrichtung,mit der das Mischen von Pulver mit flüssigen Substanzen oder auchvon zwei verschiedenen flüssigenSubstanzen weitgehend luftfrei erfolgen kann.In the area of bone cementto the solutionthis problem e.g. complicated vacuum mixers developed.The present invention describes a simple devicewith the mixing of powder with liquid substances or alsoof two different liquidSubstances can be largely air-free.

Die Vorrichtung besteht aus einemSpritzenzylinder (1), der an seiner Spitze mit einem Stopfen (12)verschlossen ist. In dem Spritzenzylinder befindet sich eine Kugel(4), die zum Mischen des Inhalts durch Schütteln dient.Diese Kugel ist vorzugsweise aus Stahl.The device consists of a syringe barrel ( 1 ) with a stopper at the top ( 12 ) is closed. There is a ball in the syringe barrel ( 4 ), which is used to mix the contents by shaking. This ball is preferably made of steel.

Die zu mischenden Bestandteile, etwaein Pulver und eine Flüssigkeitwerden in das offenen Ende des Spritzenzylinders (1) hineingegeben,und danach wird der Spritzenkolben (5) eingesetzt. DiesesEinsetzen des Spritzenkolbens (5) ist normalerweise nichtohne weiteres möglich,da die eingeschlossenen Luft dem entgegensteht. Deshalb ist der Spritzenkolben(5) mit einer Entlüftungsvorrichtung versehen,die je nach Charakter der zu mischenden Substanzen aus kleinen Löchern (10)im Boden (7) des Spritzenkolbens (5) bestehenkann, oder aber durch die Anordnung von geeigneten Filtermedien (11),die zwar die Luft frei entweichen lassen, nicht aber die flüssigen Bestandteiledes Zylinders. Dadurch kann der Kolben (5) problemlos inden Zylinder eingeführtwerden, die Luft entweicht dabei, so dass nach dem Entweichen desLuftüberstandesdie in der Spritze befindlichen Substanzen nun mehr durch Schütteln mitHilfe der Stahlkugel (4) vermischt werden, ohne dass nennenswerteMengen Luft dabei untergemischt werden.The ingredients to be mixed, such as a powder and a liquid, are placed in the open end of the syringe barrel ( 1 ) and then the syringe plunger ( 5 ) used. This insertion of the syringe plunger ( 5 ) is normally not easily possible because the enclosed air prevents this. Therefore the syringe plunger ( 5 ) with a venting device which, depending on the character of the substances to be mixed, consists of small holes ( 10 ) in the ground ( 7 ) of the syringe plunger ( 5 ) can exist, or by arranging suitable filter media ( 11 ) that allow the air to escape freely, but not the liquid components of the cylinder. This allows the piston ( 5 ) can be easily introduced into the cylinder, the air escapes, so that after the excess air has escaped, the substances in the syringe can now be shaken with the help of the steel ball ( 4 ) are mixed without significant amounts of air being mixed in.

Nach dem Durchmischen kann die Kappe (12)an der Spitze (3) der Spritze (1) abgenommen werdenund das gemischte Material durch Vorschieben des Kolbens entleertwerden. Dabei kann vorteilhafterweise an der Spitze der Spritzenoch eine Vorrichtung eingebaut werden, die das Verlegen der Spritzenspitze(3) durch die Stahlkugel (4) verhindert.After mixing, the cap ( 12 ) at the top ( 3 ) the syringe ( 1 ) are removed and the mixed material is emptied by advancing the piston. In this case, a device can advantageously be installed at the tip of the syringe, which allows the syringe tip to be moved ( 3 ) through the steel ball ( 4 ) prevented.

Die Konstruktion der Spritze istin den1 bis4 dargestellt.The construction of the syringe is in the 1 to 4 shown.

1 zeigteinen Spritzenzylinder (1), der an einem Ende flanschähnlicheFingerhaltevorrichtungen (2) trägt, am anderen Ende eine Ausspritzdüse (3),die kegelig geformt ist und einen relativ weiten Querschnitt hat.Im Inneren des Zylinders befindet sich eine Kugel (4),vorzugsweise aus Stahl.2 zeigtden dazugehörigenKolben, der aus einer Kolbenstange (5) besteht, die vorzugsweiseeinen kreuzförmigenQuerschnitt hat. An dem einen Ende der Kolbenstange (5)ist eine Fingerdruckplatte (6) angebracht, am anderen Endeder Kolbenstange ist ein zylindrischer Formkörper (7) mit einerstumpf-kegeligen Spitze angebracht, der sowohl aus Vollmaterialals auch aus einzelnen Kunststoffrippen bestehen kann. Über diesenFormkörperist ein Kolbenstopfen (8) aus Kunststoff oder Gummi gestülpt, deran seinem äußeren RandDichtungsringe (9) trägt,die den Kolben gegen den Zylinder abdichten. Durch den Kolbenstopfenund durch den Formkörperan der Spitze der Kolbenstange verlaufen eine oder mehrere Bohrungen(10) und zwischen Formkörper(7) und Kolbenstopfen (8) kann ein Filterelement(11) angeordnet sein. 1 shows a syringe barrel ( 1 ) that has flange-like finger grips ( 2 ) carries an ejection nozzle at the other end ( 3 ), which is conical in shape and has a relatively wide cross section. Inside the cylinder is a ball ( 4 ), preferably made of steel. 2 shows the associated piston, which comes from a piston rod ( 5 ) exists, which preferably has a cross-shaped cross section. At one end of the piston rod ( 5 ) is a finger pressure plate ( 6 ) attached, at the other end of the piston rod is a cylindrical molded body ( 7 ) with a blunt-tapered tip, which can consist of both solid material and individual plastic ribs. A piston plug ( 8th ) made of plastic or rubber, the sealing rings on its outer edge ( 9 ) that seal the piston against the cylinder. One or more bores run through the piston plug and through the molded body at the tip of the piston rod ( 10 ) and between molded body ( 7 ) and piston plug ( 8th ) a filter element ( 11 ) be arranged.

3 zeigtdie montierte Anordnung mit der Verschlusskappe (12) aufder Spritzdüse(3). 3 shows the assembled arrangement with the sealing cap ( 12 ) on the spray nozzle ( 3 ).

4 zeigtvergrößert dieAnordnung der Bohrung im Kolbenstopfen und im Formkörper der Kolbenstange. 4 shows enlarged the arrangement of the bore in the piston plug and in the molded body of the piston rod.

Claims (6)

Translated fromGerman
Vorrichtung zur luftfreien Mischung von festen undflüssigenSubstanzen, bestehend aus einem Spritzenzylinder, einem Stopfenauf der Spitze dieses Spritzenzylinders und einem Spritzenkolben,dadurchgekennzeichnet, dass der Spritzenkolben im Spritzenzylinderzwar flüssigkeitsdicht,nicht aber luftdicht ist.Device for the air-free mixing of solid and liquid substances, consisting of a syringe barrel, a stopper on the tip of this syringe barrel and a syringe plunger,characterized in that the syringe plunger in the syringe barrel is liquid-tight but not air-tight.Vorrichtung zur luftfreien Mischung von festen undflüssigenSubstanzen nach Anspruch 1, dadurch gekennzeichnet, dass der Bodendes Spritzenkolbens mit feinen Kanälen perforiert ist, die zwarLuft durchlassen können,nicht aber die zu mischenden Substanzen.Device for the air-free mixing of solid andliquidSubstances according to claim 1, characterized in that the bottomof the syringe plunger is perforated with fine channelsCan let air passbut not the substances to be mixed.Vorrichtung zur luftfreien Mischung von festen undflüssigenSubstanzen nach Anspruch 1, dadurch gekennzeichnet, dass der Spritzenkolbeneinen Kolbenstopfen aus Kunststoff oder Gummi trägt, dessen Dichtungen gegenden Spritzenzylinder zwar gegen die zu mischenden Flüssigkeitenabdichten, gegen Luft aber durchlässig sind.Device for the air-free mixing of solid andliquidSubstances according to claim 1, characterized in that the syringe plungercarries a piston plug made of plastic or rubber, the seals againstthe syringe barrel against the liquids to be mixedseal, but are permeable to air.Vorrichtung zur luftfreien Mischung von festen undflüssigenSubstanzen nach Anspruch 1, dadurch gekennzeichnet, dass der Spritzenkolbeneinen Kolbenstopfen aus Gummi oder Kunststoff trägt, wobei sowohl der Kolbenbodenals auch der Stopfen an mindestens einer Stelle perforiert sindund sich zwischen den Perforationen ein Filtermaterial befindet, dasszwar luftdurchlässigist, nicht aber fürdie zu mischenden Substanzen durchlässig ist.Device for the air-free mixing of solid andliquidSubstances according to claim 1, characterized in that the syringe plungercarries a piston plug made of rubber or plastic, both the piston crownas well as the plug are perforated in at least one placeand there is a filter material between the perforations thatair permeableis, but not forthe substances to be mixed is permeable.Vorrichtung zur luftfreien Mischung von festen undflüssigenSubstanzen nach Anspruch 1 bis 4, dadurch gekennzeichnet, dass imInneren des Spritzenzylinders eine Kugel, vorzugsweise aus Stahlliegt, die beim Schüttelndie im Zylinder befindlichen Substanzen durchmischt.Device for the air-free mixing of solid and liquid substances according to claim 1 to 4, characterized in that in the interior of the syringe barrel is a ball, preferably made of steel, the sub in the cylinder when shaken punch mixed.Vorrichtung zur luftfreien Mischung von festen undflüssigenSubstanzen nach Anspruch 5, dadurch gekennzeichnet, dass sich imSpritzenausgang ein Platzhalter befindet, der ein Verschließen desSpritzenausganges durch die Kugel verhindert.Device for the air-free mixing of solid andliquidSubstances according to claim 5, characterized in that inSyringe outlet is a placeholder, which is a closure of theSyringe exit prevented by the ball.
DE20216631U2002-10-282002-10-28Syringe for mixing solids and liquids, e.g. adhesives or bone cement, comprising liquid-tight piston in cylinder which is not air-tightExpired - LifetimeDE20216631U1 (en)

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DE20216631UDE20216631U1 (en)2002-10-282002-10-28Syringe for mixing solids and liquids, e.g. adhesives or bone cement, comprising liquid-tight piston in cylinder which is not air-tight

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DE20216631UDE20216631U1 (en)2002-10-282002-10-28Syringe for mixing solids and liquids, e.g. adhesives or bone cement, comprising liquid-tight piston in cylinder which is not air-tight

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DE20216631U1true DE20216631U1 (en)2004-03-11

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
EP1813217A1 (en)*2006-01-302007-08-01Stryker Trauma GmbHDevice and method for injecting material and separating mixture components
WO2011021072A1 (en)*2009-08-202011-02-24Tecres S.P.A.Bone cement mixer
WO2013098805A1 (en)*2011-12-292013-07-04Omrix Biopharmaceuticals Ltd.Method and device for fast dissolution of solid protein composition
CN106618716A (en)*2017-02-162017-05-10常州凯耀医疗器械有限公司Bone cement injector
CN106861540A (en)*2015-12-072017-06-20贺利氏医疗有限公司The vacuum mixing device with operating parts and pressure vacuum pump for mixing polymethyl methacrylate bone-cementum

Citations (7)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US2854977A (en)*1956-06-151958-10-07Mine Safety Appliances CoMixing and dispensing device
DE7148104U (en)*1971-12-211972-05-25Jordana P SYRINGE OR SYRINGE BOTTLE ESPECIALLY FOR HEALING AND HYGIENIC PURPOSES
WO1985004567A1 (en)*1982-06-141985-10-24Slobodan TepicMethod of preparing and applying a self curing two-component powder/liquid cement
DE3839979A1 (en)*1988-11-261990-08-09Koerber KarlheinzBubble-free capsule alginate
DE9011685U1 (en)*1990-08-101991-12-12THERA Patent GmbH & Co. KG Gesellschaft für industrielle Schutzrechte, 82229 Seefeld Granule syringe
EP0600580A2 (en)*1992-11-181994-06-08Ultradent Products, Inc.Syringe apparatus with detachable mixing and delivery tip
DE19949866A1 (en)*1999-10-152001-11-15Copf FranzRepair material for forming cartilage layer comprises chondrozites and/or chondroplastes and biologically compatible base material

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US2854977A (en)*1956-06-151958-10-07Mine Safety Appliances CoMixing and dispensing device
DE7148104U (en)*1971-12-211972-05-25Jordana P SYRINGE OR SYRINGE BOTTLE ESPECIALLY FOR HEALING AND HYGIENIC PURPOSES
WO1985004567A1 (en)*1982-06-141985-10-24Slobodan TepicMethod of preparing and applying a self curing two-component powder/liquid cement
DE3839979A1 (en)*1988-11-261990-08-09Koerber KarlheinzBubble-free capsule alginate
DE9011685U1 (en)*1990-08-101991-12-12THERA Patent GmbH & Co. KG Gesellschaft für industrielle Schutzrechte, 82229 Seefeld Granule syringe
EP0600580A2 (en)*1992-11-181994-06-08Ultradent Products, Inc.Syringe apparatus with detachable mixing and delivery tip
DE19949866A1 (en)*1999-10-152001-11-15Copf FranzRepair material for forming cartilage layer comprises chondrozites and/or chondroplastes and biologically compatible base material

Cited By (12)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
EP1813217A1 (en)*2006-01-302007-08-01Stryker Trauma GmbHDevice and method for injecting material and separating mixture components
WO2007085489A1 (en)*2006-01-302007-08-02Stryker Trauma GmbhDevice and method for injecting material and separating mixture component
WO2011021072A1 (en)*2009-08-202011-02-24Tecres S.P.A.Bone cement mixer
CN102470037A (en)*2009-08-202012-05-23泰克里斯公司Bone cement mixer
CN102470037B (en)*2009-08-202014-09-24泰克里斯公司 bone cement mixer
WO2013098805A1 (en)*2011-12-292013-07-04Omrix Biopharmaceuticals Ltd.Method and device for fast dissolution of solid protein composition
AU2012360048B2 (en)*2011-12-292017-05-25Omrix Biopharmaceuticals Ltd.Method and device for fast dissolution of solid protein composition
US10618950B2 (en)2011-12-292020-04-14Omrix Biopharmaceuticals Ltd.Method and device for fast dissolution of solid protein composition
US11634473B2 (en)2011-12-292023-04-25Omrix Biopharmaceuticals Ltd.Method and device for fast dissolution of solid protein composition
CN106861540A (en)*2015-12-072017-06-20贺利氏医疗有限公司The vacuum mixing device with operating parts and pressure vacuum pump for mixing polymethyl methacrylate bone-cementum
CN106861540B (en)*2015-12-072019-12-27贺利氏医疗有限公司Vacuum mixing device for mixing polymethylmethacrylate bone cement with an operating part and a pressure vacuum pump
CN106618716A (en)*2017-02-162017-05-10常州凯耀医疗器械有限公司Bone cement injector

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