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EP1375376B1 - Protected closure system for test tubes - Google Patents

Protected closure system for test tubes Download PDF

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Publication number
EP1375376B1
EP1375376B1 EP03001342A EP03001342A EP1375376B1 EP 1375376 B1 EP1375376 B1 EP 1375376B1 EP 03001342 A EP03001342 A EP 03001342A EP 03001342 A EP03001342 A EP 03001342A EP 1375376 B1 EP1375376 B1 EP 1375376B1
Authority
EP
European Patent Office
Prior art keywords
test tube
projections
closure system
cover
inner body
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
Application number
EP03001342A
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German (de)
French (fr)
Other versions
EP1375376A1 (en
Inventor
Ulisse Chiarin
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.)
Vacutest Kima SRL
Original Assignee
Vacutest Kima SRL
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Publication date
Application filed by Vacutest Kima SRL filed Critical Vacutest Kima SRL
Priority to SI200330876T priority Critical patent/SI1375376T1/en
Publication of EP1375376A1 publication Critical patent/EP1375376A1/en
Application granted granted Critical
Publication of EP1375376B1 publication Critical patent/EP1375376B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
    • B01L3/5082—Test tubes per se
    • B01L3/50825—Closing or opening means, corks, bungs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/02—Adapting objects or devices to another
    • B01L2200/026—Fluid interfacing between devices or objects, e.g. connectors, inlet details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/04—Closures and closing means
    • B01L2300/041—Connecting closures to device or container
    • B01L2300/042—Caps; Plugs

Definitions

  • the present invention relates to a proprietary closure system for laboratory tubes used in medical laboratories, e.g. for blood collection or for the treatment of biological fluids.
  • the wall of the lid must be sufficiently thick; this contradicts the premise that the difference between the outer diameter of the plug and the outer diameter of the laboratory tube must be as small as possible, otherwise the laboratory tube in the closed state, i. with the closure system, can not be used in containers or other adapter of laboratory machines.
  • European Patent EP 0 419 490 has attempted to overcome such disadvantages by providing the coupling between the two parts of the proprietary closure system solely by means of two extensions extending from the cylindrical inner surface of the cap in the direction of the longitudinal axis; these extensions form a gripping zone, which has the shape of a rib and is adapted to receive an annular groove extending from the inner body, the extension, which is opposite the laboratory tube, located between the front part of the laboratory tube and the above-mentioned annular groove is located.
  • this embodiment has the disadvantage that the part of the inner body which is inserted into the laboratory tube (the real plug) has a reduced length; but because the length of the plug is predetermined by the length of the needle of the syringe, the frictional force between the plug and the laboratory tube is also minimized.
  • US 2001/002607 discloses a protected locking system according to the preamble of claim 1.
  • the aim of the invention is to overcome the above-mentioned problems.
  • an object of the invention is to provide a protected closure system for laboratory tubes which consists of two separate parts, namely an inner body (plug) of elastomer and an outer body (cap) of plastic, the outer wall of this second body be as thin as possible so that the difference between the outer diameter of the second body and the diameter of the laboratory tube is as small as possible.
  • Another object of the present invention is to provide a protected closure system wherein the cap can be made by injection molding and wherein quite simple injection molds can be used, so that the manufacturing cost is lower than the manufacturing cost of known protected closure systems.
  • a still further object of the present invention is to provide a protected closure system wherein the assembly of the two parts, i. putting the cap on the inner body is quick and reliable.
  • Another object of the present invention is to provide a proprietary closure system in which the cap is always in contact with the outer top of the laboratory tube so that the coupling of the closure system to the laboratory tube is improved without the use of screws or screws Hook must be used.
  • the invention attaining the objects set forth above first includes a protected closure system according to claim 1, namely a laboratory tube closure system comprising the following features: an inner substantially cylindrical body having a lower portion suitable for insertion into the upper part of the laboratory tube to be inserted; a substantially cylindrical cap having an upper closing wall and a cylindrical wall serving to contain the inner body and the upper part of the laboratory tube; the closure system being characterized in that projections extend radially outward from the inner surface of the cylindrical wall and which are adapted to come into contact with the outer surface of the laboratory tube and to exert pressure against that outer surface to prevent the coupling of the Locking system with the laboratory tube to allow.
  • the protected closure system indicated at 1 and used to seal the laboratory tube 2 contains an inner substantially cylindrical body 3 made of elastomer, such as rubber or the like, with a part 4 of this inner body 3 thereto is suitable for use in the laboratory tube; Furthermore, the body 3 has an upper ring 5, which expands in the radial direction and against which the upper edge 2a of the laboratory tube is inserted.
  • the closure system has a cap 6 which is substantially cylindrical and made of a compact plastic; this cap 6 serves to receive the inner body 3 and the upper part of the laboratory tube (see Fig. 1).
  • the cap 6 has on its upper closing wall 7 a central opening 8 to allow the insertion of the withdrawal needle and has a cylindrical wall 9 which encloses the plug and the upper portion of the laboratory tube.
  • the projections 11 extend to a distance "X" from the top wall 7 of the cap 6, this distance being greater than the height "Y" of the ring 5 of the inner body.
  • the projections 11 are arranged in correspondence with openings 13 which are mounted in the upper wall 7 of the cap 6, wherein the cross section of the projections 11 is contained within the surface of this opening 13.
  • the projections 11 may have different shapes; for example, elongate projections 11 may be oriented in the direction of the longitudinal axis of the laboratory tube and may have a square or triangular cross-section (Figure 3).
  • the longitudinally oriented projections may be connected by angular projections 14 ( Figure 4) or the projections may have a curved extension ( Figure 8).
  • the projections may also consist of a plurality of elements 11.4 which are dot-shaped ( Figure 7) or the projections may be angular segments 11.5 which are transverse to the longitudinal axis of the laboratory tube ( Figure 6).
  • the closure system according to the invention has no grooves on its cylindrical part, but only projections 11, so that the required mechanical resistance with a minimum thickness of the wall 9 can be guaranteed.

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Clinical Laboratory Science (AREA)
  • Analytical Chemistry (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Closures For Containers (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Pipe Accessories (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)

Abstract

Stopper (1) comprises inner body (3), test tube (2), sealing portion (4) and cover (6) having engaging unit. The unit consist of projections (11) which extend on inside of side wall of cover so as to make contact with outer wall of test tube, projections being spaced from closing wall of cover and being able to form contact step capable of constraining projecting collar piece of inner body. Protected stopper comprises substantially cylindrically extending elastomer inner body which can be arranged so as to close a test tube and which comprises a sealing portion formed so as to be inserted into the mouth of the test tube and a collar piece connected above the sealing portion and projecting radially with respect to the latter so as to receive, in bearing contact therewith, the mouth of the test tube, cover made of plastic with a substantially cylindrically extending side wall (9), at least partly delimited at one end by an upper closing wall, the cover being able to be arranged so as to cover the inner body and top part of test tube when the stopper is engaged in the test tube, the cover having engaging unit for simultaneously securing the inner body to the cover and whole stopper on test tube. The engaging unit consist of numerous projections which extends on inside of side wall of the cover so as to make contact with the outer wall of the test tube, the projections being spaced from the closing wall of the cover and being able to form contact step capable of constraining the projecting collar piece of the inner body.

Description

GEBIET DER VORLIEGENDEN ERFINDUNGFIELD OF THE PRESENT INVENTION

Die vorliegende Erfindung betrifft ein geschütztes Verschlusssystem für Laborröhrchen bzw. Pfropfenröhrchen, die in medizinischen Labors verwendet werden, z.B. zur Blutentnahme oder für die Behandlung von biologischen Flüssigkeiten.The present invention relates to a proprietary closure system for laboratory tubes used in medical laboratories, e.g. for blood collection or for the treatment of biological fluids.

BESCHREIBUNG DES STANDES DER TECHNIKDESCRIPTION OF THE PRIOR ART

Seit einiger Zeit sind sogenannte geschützte Verschlusssysteme für Laborröhrchen bekannt; diese Verschlusssysteme werden so genannt, weil sie mit einer Kappe bzw. mit einem Deckel ausgerüstet sind, die sowohl den Pfropfen als auch das obere Teil bzw. das obere Ende des Laborröhrchens schützen, d.h. das Teil des Laborröhrchens, in das der Pfropfen eingesetzt wird.For some time, so-called protected closure systems for laboratory tubes are known; these closure systems are so called because they are equipped with a cap that protects both the plug and the upper part or top of the laboratory tube, i. the part of the laboratory tube into which the plug is inserted.

Im Wesentlichen enthält ein solches geschütztes Verschlusssystem zwei Teile, die formschlüssig miteinander gekuppelt sind:

  • einen inneren Körper aus Elastomer (der echte Pfropfen), der dazu dient, das Laborröhrchen zu verschließen und dazu geeignet ist, durchlöchert zu werden, um somit das Einsetzen der Nadel der Spritze ins Laborröhrchen zu ermöglichen; und
  • eine Kappe, die aus Kunststoffmaterial hergestellt und in entsprechender Weise starr ist.
Essentially, such a protected closure system contains two parts that are positively coupled with each other:
  • an elastomeric inner body (the true plug) which serves to seal the laboratory tube and is capable of being perforated to allow insertion of the needle of the syringe into the laboratory tube; and
  • a cap made of plastic material and correspondingly rigid.

Im Stand der Technik sind verschiedene geschützte Verschlusssysteme bekannt.Various proprietary closure systems are known in the art.

Beispielsweise sei das geschützte Verschlusssystem genannt, das in der europäischen Patentschrift EP 0 129.029 beschrieben ist; bei diesem geschützten Verschlusssystem weist die Kappe auf der inneren dem inneren Körper gegenüberliegenden Oberfläche eine Rille auf, in die eine entsprechende Rippe eingesetzt wird, die sich aus dem oben genannten inneren Körper erstreckt.For example, mention may be made of the proprietary closure system described in European Patent EP 0 129,029; in this protected closure system, the cap on the inner surface facing the inner body has a groove into which a corresponding rib extending from the above-mentioned inner body is inserted.

Sowohl das oben beschriebene geschützte Verschlusssystem als auch andere bekannte ähnliche Systeme haben den Nachteil, dass der Körper der Kappe Unterteile aufweist, die das Herstellen der Kappe durch Spritzgiessen äußerst kompliziert und schwierig machen.Both the protected closure system described above and other known similar systems have the disadvantage that the body of the cap has lower parts, make the making of the cap by injection molding extremely complicated and difficult.

Des Weiteren, weil Rippen auf der inneren Oberfläche des Deckels angebracht sind, muss die Wand des Deckels genügend dick sein; dies widerspricht aber der Voraussetzung, dass der Unterschied zwischen dem äußeren Durchmesser des Pfropfens und dem äußeren Durchmesser des Laborröhrchens so gering wie möglich sein muss, weil sonst das Laborröhrchen im geschlossenen Zustand, d.h. mit dem Verschlusssystem, nicht in Behälter oder andere Adapter von Labormaschinen eingesetzt werden kann.Furthermore, because ribs are mounted on the inner surface of the lid, the wall of the lid must be sufficiently thick; this contradicts the premise that the difference between the outer diameter of the plug and the outer diameter of the laboratory tube must be as small as possible, otherwise the laboratory tube in the closed state, i. with the closure system, can not be used in containers or other adapter of laboratory machines.

Das europäische Patent EP 0 419 490 hat versucht, solche Nachteile zu überwinden, indem die Verkupplung zwischen den zwei Teilen des geschützten Verschlusssystems allein durch zwei Verlängerungen geschaffen wird, die sich aus der zylindrischen inneren Oberfläche der Kappe in Richtung der Längsachse erstrecken; diese Verlängerungen bilden eine Greifzone, die die Form einer Rippe bzw. eine Aussparung aufweist und dazu geeignet ist, eine ringförmige Rille aufzunehmen, die sich aus dem inneren Körper erstreckt, wobei die Verlängerung, die gegenüber dem Laborröhrchen liegt, sich zwischen dem Vorderteil des Laborröhrchens und der oben genannten ringförmigen Rille befindet. Diese Ausführungsform hat aber den Nachteil, dass das Teil des inneren Körpers, das in das Laborröhrchen eingesetzt wird (der echte Pfropfen) eine reduzierte Länge aufweist; weil aber die Länge des Pfropfens von der Länge der Nadel der Spritze vorbestimmt ist, wird die Reibungskraft zwischen Pfropfen und Laborröhrchen auch minimiert.European Patent EP 0 419 490 has attempted to overcome such disadvantages by providing the coupling between the two parts of the proprietary closure system solely by means of two extensions extending from the cylindrical inner surface of the cap in the direction of the longitudinal axis; these extensions form a gripping zone, which has the shape of a rib and is adapted to receive an annular groove extending from the inner body, the extension, which is opposite the laboratory tube, located between the front part of the laboratory tube and the above-mentioned annular groove is located. However, this embodiment has the disadvantage that the part of the inner body which is inserted into the laboratory tube (the real plug) has a reduced length; but because the length of the plug is predetermined by the length of the needle of the syringe, the frictional force between the plug and the laboratory tube is also minimized.

US 2001/002607 offenbart ein geschütztes Verschlusssystem gemäss der Präambel des Anspruchs 1.US 2001/002607 discloses a protected locking system according to the preamble of claim 1.

Ziel der Erfindung ist es, die oben genannten Probleme zu überwinden.The aim of the invention is to overcome the above-mentioned problems.

Insbesondere ist ein Ziel der Erfindung, ein geschütztes Verschlusssystem für Laborröhrchen zu schaffen, das aus zwei einzelnen Teilen besteht, nämlich einen inneren Körper (der Pfropfen) aus Elastomer und einen äußeren Körper (die Kappe) aus Kunststoff, wobei die äußere Wand dieses zweiten Körpers so dünn wie möglich sein soll, so dass der Unterschied zwischen dem äußeren Durchmesser des zweiten Körpers und dem Durchmesser des Laborröhrchens so gering wie möglich ist.In particular, an object of the invention is to provide a protected closure system for laboratory tubes which consists of two separate parts, namely an inner body (plug) of elastomer and an outer body (cap) of plastic, the outer wall of this second body be as thin as possible so that the difference between the outer diameter of the second body and the diameter of the laboratory tube is as small as possible.

Ein weiteres Ziel der vorliegenden Erfindung ist es, ein geschütztes Verschlusssystem zu schaffen, wobei die Kappe durch Spritzgiessen hergestellt werden kann und wobei ganz einfache Spritzgussformen verwendet werden können, so dass die Herstellungskosten niedriger sind als die Herstellungskosten von bekannten geschützten Verschlusssystemen.Another object of the present invention is to provide a protected closure system wherein the cap can be made by injection molding and wherein quite simple injection molds can be used, so that the manufacturing cost is lower than the manufacturing cost of known protected closure systems.

Ein noch weiteres Ziel der vorliegenden Erfindung ist es, ein geschütztes Verschlusssystem zu schaffen, wobei der Zusammenbau der zwei Teile, d.h. das Aufsetzen der Kappe auf den inneren Körper schnell und zuverlässig ist.A still further object of the present invention is to provide a protected closure system wherein the assembly of the two parts, i. putting the cap on the inner body is quick and reliable.

Ein weiteres Ziel der vorliegenden Erfindung ist es, ein geschütztes Verschlusssystem zu schaffen, bei dem die Kappe immer in Berührung mit dem äußeren oberen Teil des Laborröhrchens ist, so dass die Verkupplung des Verschlusssystems mit dem Laborröhrchen verbessert wird, ohne dass zu diesem Zweck Schrauben oder Haken verwendet werden müssen.Another object of the present invention is to provide a proprietary closure system in which the cap is always in contact with the outer top of the laboratory tube so that the coupling of the closure system to the laboratory tube is improved without the use of screws or screws Hook must be used.

ÜBERBLICK DER VORLIEGENDEN ERFINDUNGOVERVIEW OF THE PRESENT INVENTION

Zu der die oben genannten Ziele erreichenden Erfindung gehört zuerst ein geschütztes Verschlusssystem nach Anspruch 1, nämlich ein Verschlusssystem für Laborröhrchen bzw. Propfenröhrchen, das die folgenden Merkmale enthält: einen inneren im Wesentlichen zylindrischen Körper mit einem unteren Teil, das dazu geeignet ist, in das obere Teil des Labörröhrchens eingesetzt zu werden; eine im Wesentlichen zylindrische Kappe mit einer oberen Schließwand und eine zylindrische Wand, die dazu dient, den inneren Körper und das obere Teil des Laborröhrchens zu enthalten; wobei das Verschlusssystem dadurch gekennzeichnet ist, dass sich Vorsprünge aus der inneren Oberfläche der zylindrischen Wand in radialer Richtung erstrecken, die dazu geeignet sind, in Berührung mit der äußeren Oberfläche des Laborröhrchens zu kommen und gegen diese äußere Oberfläche einen Druck auszuüben, um die Verkupplung des Verschlusssystems mit dem Laborröhrchen zu ermöglichen.The invention attaining the objects set forth above first includes a protected closure system according to claim 1, namely a laboratory tube closure system comprising the following features: an inner substantially cylindrical body having a lower portion suitable for insertion into the upper part of the laboratory tube to be inserted; a substantially cylindrical cap having an upper closing wall and a cylindrical wall serving to contain the inner body and the upper part of the laboratory tube; the closure system being characterized in that projections extend radially outward from the inner surface of the cylindrical wall and which are adapted to come into contact with the outer surface of the laboratory tube and to exert pressure against that outer surface to prevent the coupling of the Locking system with the laboratory tube to allow.

Ferner gehört zu der die oben genannten Ziele erreichenden Erfindung ein Laborröhrchen gemäß Anspruch 13.Further, to the invention achieving the above objects is a laboratory tube according to claim 13.

Weitere Ausführungsformen der die oben genannten Ziele erreichenden Erfindung sind in den abhängigen Ansprüchen definiert.Further embodiments of the invention achieving the above objects are defined in the dependent claims.

KURZE BESCHREIBUNG DER FIGURENBRIEF DESCRIPTION OF THE FIGURES

Die vorliegende Erfindung wird besser verstanden durch die Beschreibung einer möglichen Ausführungsform, die in Bezug auf die Figuren gegeben wird, die aber nur als Beispiels dient, ohne den Umfang der Erfindung zu beschränken. Es zeigen:

Fig. 1
einen Schnitt durch ein Laborröhrchens mit einem geschützten Verschlusssystem gemäß der vorliegenden Erfindung;
Fig. 2
eine Plansicht der Kappe des Verschlusssystems von Fig. 1;
Fig. 3-8
perspektivische Teilschnittdarstellungen einiger möglicher Ausführungsformen der Kappe des Verschlusses von Fig. 1.
The present invention will be better understood from the description of a possible embodiment given with reference to the figures, which is given by way of example only, without limiting the scope of the invention. Show it:
Fig. 1
a section through a laboratory tube with a protected closure system according to the present invention;
Fig. 2
a plan view of the cap of the closure system of Fig. 1;
Fig. 3-8
partial perspective views of some possible embodiments of the cap of the closure of Fig. 1.

DETAILLIERTE BESCHREIBUNG DER ERFINDUNGDETAILED DESCRIPTION OF THE INVENTION

Wie in Fig. 1 gezeigt ist, enthält das geschützte Verschlusssystem, das mit 1 gekennzeichnet ist und zum Verschließen des Laborröhrchens 2 dient, einen inneren im Wesentlichen zylindrischen Körper 3 aus Elastomer, wie Gummi oder Ähnliches, wobei ein Teil 4 dieses inneren Körpers 3 dazu geeignet ist, ins Laborröhrchen eingesetzt zu werden; weiterhin weist der Körper 3 einen oberen Ring 5 auf, der sich in radialer Richtung ausdehnt und gegen den der obere Rand 2a des Laborröhrchen eingesetzt wird.As shown in Fig. 1, the protected closure system indicated at 1 and used to seal the laboratory tube 2 contains an inner substantially cylindrical body 3 made of elastomer, such as rubber or the like, with a part 4 of this inner body 3 thereto is suitable for use in the laboratory tube; Furthermore, the body 3 has an upper ring 5, which expands in the radial direction and against which the upper edge 2a of the laboratory tube is inserted.

Des Weiteren weist das Verschlusssystem eine Kappe 6 auf, der im Wesentlichen zylindrisch und aus einem kompakten Kunststoff ist; diese Kappe 6 dient dazu, den inneren Körper 3 und das obere Teil des Laborröhrchens aufzunehmen (siehe Fig. 1). Die Kappe 6 weist auf ihrer oberen Schließwand 7 eine mittlere Öffnung 8 auf, um das Einführen der Entnahmenadel zu ermöglichen und besitzt eine zylindrische Wand 9, die den Pfropfen und den oberen Abschnitt des Laborröhrchens umschließt.Furthermore, the closure system has a cap 6 which is substantially cylindrical and made of a compact plastic; this cap 6 serves to receive the inner body 3 and the upper part of the laboratory tube (see Fig. 1). The cap 6 has on its upper closing wall 7 a central opening 8 to allow the insertion of the withdrawal needle and has a cylindrical wall 9 which encloses the plug and the upper portion of the laboratory tube.

Gemäß der vorliegenden Erfindung erstrecken sich aus der zylindrischen Wand 9 in radialer Richtung einige Vorsprünge 11, die in Berührung mit der äußeren Oberfläche 12 des Laborröhrchens 2 kommen und gegen diese äußere Oberfläche 12 einen Druck ausüben, um die Verkupplung des Verschlusssystems mit dem Laborröhrchen zu ermöglichen.According to the present invention, from the cylindrical wall 9 extend in the radial direction some projections 11 which come into contact with the outer surface 12 of the laboratory tube 2 and against this outer surface 12 a pressure exercise to allow coupling of the closure system to the laboratory tube.

Wie in Fig. 1 gezeigt, erstrecken sich die Vorsprünge 11 bis zu einer Entfernung "X" von der oberen Wand 7 der Kappe 6 aus, wobei diese Entfernung größer ist als die Höhe "Y" des Rings 5 des inneren Körpers. Somit wird eine Abstützstufe des Rings dargestellt und wird dadurch gewährleistet, dass in geschlossenem Zustand, die Kappe gegen das obere Teil des Laborröhrchens festgehalten wird.As shown in Fig. 1, the projections 11 extend to a distance "X" from the top wall 7 of the cap 6, this distance being greater than the height "Y" of the ring 5 of the inner body. Thus, a support stage of the ring is shown and is ensured by the fact that in the closed state, the cap is held against the upper part of the laboratory tube.

Wie in Fig. 2 gezeigt ist, sind die Vorsprünge 11 in Übereinstimmung mit Öffnungen 13 angeordnet, die in der oberen Wand 7 der Kappe 6 angebracht sind, wobei der Querschnitt der Vorsprünge 11 innerhalb der Fläche dieser Öffnung 13 enthalten ist.As shown in Fig. 2, the projections 11 are arranged in correspondence with openings 13 which are mounted in the upper wall 7 of the cap 6, wherein the cross section of the projections 11 is contained within the surface of this opening 13.

Schließlich, wie in Fig. 3 und in den anderen Figuren gezeigt ist, können die Vorsprünge 11 verschiedene Formen aufweisen; zum Beispiel können langförmige Vorsprünge 11 in Richtung der Längsachse des Laborröhrchens orientiert sein und einen quadratischen oder dreieckigen Querschnitt aufweisen (Fig. 3).Finally, as shown in Fig. 3 and in the other figures, the projections 11 may have different shapes; for example, elongate projections 11 may be oriented in the direction of the longitudinal axis of the laboratory tube and may have a square or triangular cross-section (Figure 3).

Des Weiteren können die in Längsrichtung orientierten Vorsprünge durch eckige Vorsprünge 14 verbunden sein (Fig. 4) oder die Vorsprünge können eine kurvenförmige Ausdehnung aufweisen (Fig. 8). Die Vorsprünge können auch aus einer Vielzahl von Elementen 11.4 bestehen, die punktförmig bzw. noppenförmig sind (Fig. 7) oder die Vorsprünge können Winkelsegmente 11.5 sein, die quer zur Längsachse des Laborröhrchens liegen (Fig. 6).Further, the longitudinally oriented projections may be connected by angular projections 14 (Figure 4) or the projections may have a curved extension (Figure 8). The projections may also consist of a plurality of elements 11.4 which are dot-shaped (Figure 7) or the projections may be angular segments 11.5 which are transverse to the longitudinal axis of the laboratory tube (Figure 6).

Von der oben erwähnten Beschreibung kann man feststellen, dass die Ziele dieser Erfindung erreicht worden sind: das erfindungsgemäße Verschlusssystem weist keine Rille bzw. Vertiefungen auf seinem zylindrischen Teil, sondern nur Vorsprünge 11 auf, so dass der erforderliche mechanische Widerstand mit einer minimalen Dicke der Wand 9 gewährleistet werden kann.From the above-mentioned description, it can be seen that the objects of this invention have been achieved: the closure system according to the invention has no grooves on its cylindrical part, but only projections 11, so that the required mechanical resistance with a minimum thickness of the wall 9 can be guaranteed.

Natürlich sind andere Ausführungsformen möglich als die oben beschriebenen Ausführungsformen, wobei der Schutzumfang durch die folgenden Ansprüche definiert ist.Of course, other embodiments are possible than the embodiments described above, the scope of protection being defined by the following claims.

Claims (9)

  1. Protected closure system (1) for test tubes or stoppered tubes (2), which has the following features:
    an inner, substantially cylindrical body (3) having a bottom part (4) suitable for insertion in the top part of a test tube,
    the inner body (3) having at the top a positioning ring (5) which extends in the radial direction and which is inserted against that edge (2a) of the test tube (2) which is at the top in the closed state,
    a substantially cylindrical cap (6) having a closing-off wall (7) at the top and a cylindrical wall (9), the purpose of which cap (6) is to receive the inner body (3) and the top part of the test tube (2),
    the closing-off wall (7) at the top of the can (3) has openings (13) distributed around its circumference,
    the closure system being characterised in that there extend in the radial direction, from the inner surface of the cylindrical wall, projections (11) suitable for coming into contact with the outer surface (12) of the test tube (2) and for exerting a pressure against the said outer surface (12) to enable the closure system to be connected to the test tube,
    the projections (11) extending axially to a distance X from the closing-off wall (7) at the top, this distance X being larger than the height Y of the positioning ring (5),
    the projections (11) also extending in the longitudinal direction, i.e. in the direction in which the longitudinal axis of the test tube (2) lies, and
    the cross-section of the projections (11) always being contained with the area of the said openings (13).
  2. Protected closure system according to claim 1, characterised in that the projections (11) extend inwards in the radial direction to an imaginary cylindrical surface whose diameter is smaller than the outside diameter of the test tube, thus causing a frictional force to be produced in the closed state whose strength ensures that the cap is connected to the test tube and at the same time requires a certain amount of effort on the part of the user to open or close the test tube.
  3. Protected closure system according to claim 1, characterised in that the cross-section (11.1) of the projections (11) is square.
  4. Protected closure system according to claim 1, characterised in that the cross-section (11.2) of the projections (11) is triangular.
  5. Protected closure system according to one of claims 1 to 4, characterised in that projections (14) are provided which connect the projections extending in the longitudinal direction.
  6. Protected closure system according to either of claims 1 and 2, characterised in that the projections (11) comprise a plurality of elements (11.4) in the form of points or studs.
  7. Protected closure system according to either of claims 1 and 2, characterised in that the projections (11) are sectors (11.5) extending through an angle which lie transversely to the longitudinal axis of the test tube.
  8. Protected closure system according to one of claims 1 to 6, characterised in that the inner body (3) is made of elastomer and in that the cap (6) is made of compact plastics material.
  9. Test tube (2) able to be used in a medical laboratory, characterised in that it is fitted with a protected closure system according to one of claims 1 to 8.
EP03001342A 2002-06-17 2003-01-23 Protected closure system for test tubes Expired - Lifetime EP1375376B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200330876T SI1375376T1 (en) 2002-06-17 2003-01-23 Protected closure system for test tubes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002VI000131A ITVI20020131A1 (en) 2002-06-17 2002-06-17 CAP WITH PROTECTION FOR TEST TUBES
ITVI20020131 2002-06-17

Publications (2)

Publication Number Publication Date
EP1375376A1 EP1375376A1 (en) 2004-01-02
EP1375376B1 true EP1375376B1 (en) 2007-05-30

Family

ID=27677610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03001342A Expired - Lifetime EP1375376B1 (en) 2002-06-17 2003-01-23 Protected closure system for test tubes

Country Status (8)

Country Link
US (1) US7198757B2 (en)
EP (1) EP1375376B1 (en)
AT (1) ATE363440T1 (en)
DE (2) DE20301029U1 (en)
ES (1) ES2286337T3 (en)
IT (1) ITVI20020131A1 (en)
PT (1) PT1375376E (en)
SI (1) SI1375376T1 (en)

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FR2891530B1 (en) * 2005-10-04 2007-12-07 Valois Sas RECOVERY BODY, METHOD FOR MANUFACTURING SAME, AND FLUID PRODUCT DISPENSER USING SAME
FR2891529B1 (en) * 2005-10-04 2007-12-07 Valois Sas RECOVERY ORGAN, PROCESS FOR PRODUCING SUCH ORGAN AND DISPENSER COMPRISING SUCH AN ORGAN
FR2891533B1 (en) * 2005-10-04 2007-12-07 Valois Sas RECOVERY BODY, METHOD FOR MANUFACTURING SAME, AND FLUID PRODUCT DISPENSER USING SAME
MX338571B (en) 2008-03-05 2016-04-22 Becton Dickinson Co Capillary action collection device and container assembly.
MX359080B (en) 2008-03-05 2018-09-06 Becton Dickinson Co Co-molded pierceable stopper and method for making the same.
FR2950035B1 (en) 2009-09-15 2011-09-02 Raymond A & Cie LOCKING COIFFE FOR CONTAINER WITH COLLAR
FR2950865B1 (en) 2009-10-01 2011-10-28 Raymond A & Cie LOCKING CAP FOR A COLLARED CONTAINER WITH A FASTENING CAPSULE
USD632802S1 (en) * 2010-03-08 2011-02-15 Salinas Victor R Protective cover for a pharmaceutical vial
US8460620B2 (en) 2010-12-03 2013-06-11 Becton, Dickinson And Company Specimen collection container assembly
WO2013094611A1 (en) * 2011-12-22 2013-06-27 凸版印刷株式会社 Plug
DK2617362T3 (en) 2012-01-20 2019-07-15 Buehlmann Laboratories Ag SAMPLING, DISSOLUTION AND EXHAUST INSTALLATION
FR2986782B1 (en) 2012-02-13 2014-03-07 Raymond A & Cie PLUG LOCKING DEVICE ON FLANGE CONTAINER, PLUG-IN CLOSURE FLANGE CONTAINER PROVIDED WITH SUCH LATCHING DEVICE
EP3670381B1 (en) * 2013-03-13 2021-11-17 Abbott Laboratories Keyed caps for containers and devices and systems related thereto
USD881709S1 (en) 2013-12-20 2020-04-21 Abbott Laboratories Bottle with cap
USD881708S1 (en) 2013-12-20 2020-04-21 Abbott Laboratories Bottle with cap
USD886609S1 (en) 2013-12-20 2020-06-09 Abbott Laboratories Bottle cap
USD869276S1 (en) 2013-12-20 2019-12-10 Abbott Laboratories Bottle cap
US12442829B2 (en) 2015-05-01 2025-10-14 Abbott Laboratories Containers and caps having ket rings for enabling removal of liquid contents of a container
JP6542387B2 (en) 2015-05-01 2019-07-10 アボット・ラボラトリーズＡｂｂｏｔｔ Ｌａｂｏｒａｔｏｒｉｅｓ Device for removing the liquid content of a container
DE102015011207A1 (en) * 2015-08-26 2017-03-02 Andreas Stihl Ag & Co. Kg Closure lid and injection mold for its production
CN111235024A (en) * 2020-03-27 2020-06-05 浙江省肿瘤医院 Detection device for gene detection
CN112916069A (en) * 2021-01-25 2021-06-08 上海快灵生物科技有限公司 Test tube lid and test tube

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Also Published As

Publication number Publication date
EP1375376A1 (en) 2004-01-02
US20030231988A1 (en) 2003-12-18
PT1375376E (en) 2007-07-16
ITVI20020131A1 (en) 2003-12-17
DE20301029U1 (en) 2003-07-31
ATE363440T1 (en) 2007-06-15
SI1375376T1 (en) 2007-10-31
DE50307353D1 (en) 2007-07-12
ES2286337T3 (en) 2007-12-01
US7198757B2 (en) 2007-04-03

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