EP0799437B1 - device for developing a dental x-ray film - Google Patents
device for developing a dental x-ray film Download PDFInfo
- Publication number
- EP0799437B1 EP0799437B1 EP95942021A EP95942021A EP0799437B1 EP 0799437 B1 EP0799437 B1 EP 0799437B1 EP 95942021 A EP95942021 A EP 95942021A EP 95942021 A EP95942021 A EP 95942021A EP 0799437 B1 EP0799437 B1 EP 0799437B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dental
- ray film
- development
- packaging
- developing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004806 packaging method and process Methods 0.000 claims description 25
- 238000003780 insertion Methods 0.000 abstract description 24
- 230000037431 insertion Effects 0.000 abstract description 24
- 239000011888 foil Substances 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 5
- -1 polyethylene Polymers 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C3/00—Packages of films for inserting into cameras, e.g. roll-films, film-packs; Wrapping materials for light-sensitive plates, films or papers, e.g. materials characterised by the use of special dyes, printing inks, adhesives
- G03C3/003—Individual packages for X-ray film, e.g. for dental applications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
- G03D13/00—Processing apparatus or accessories therefor, not covered by groups G11B3/00 - G11B11/00
- G03D13/02—Containers; Holding-devices
- G03D13/04—Trays; Dishes; Tanks ; Drums
- G03D13/06—Light-tight tanks with provision for loading in daylight
- G03D13/065—Loading of filmpacks or chips
Definitions
- the invention relates to a device for development of a dental X-ray film, which in two cover areas having a light protection cover is packaged at the on the cover surfaces on one of the packaging common Edge a tear tab is formed and the Cover surfaces at their two parallel to the edge with edges of the respective tear tab slightly are tearable together, the Device a development container with a development frame underneath an input slot, in which the dental X-ray film is to be used.
- the usual dental X-ray films are common to date with a lead foil, a separating box and a surrounding one Black paper in a bag-like packaging made of plastic, light and mouth saliva-proof.
- the separation box is between the lead foil and the dental X-ray film is arranged around the dental X-ray film Protect against contact with the lead foil. Otherwise would create these spots on the dental X-ray film.
- the Black paper protects against the incidence of light.
- the known packaging does not only have that Disadvantage that you can only handle them cumbersome. They are also for environmental protection and reasons Conservation of resources is not optimal. Because in every package a lead foil is present, falls with everyone Unpacking a dental X-ray film such a lead foil as waste. For cost reasons, you therefore form the Lead foil is relatively thin-walled, which however has the disadvantage has that it only absorbs 20-40% of the x-rays and therefore only imperfect protection against X-rays offers.
- the outer packaging is usually made made of polyethylene and can therefore be just like that Lead foil not together with separation cardboard and black paper to be disposed of. Usually, however, convenience the entire packaging with the lead foil and the polyethylene part thrown in the trash.
- CH-A-351 495 describes packaging for one Dental X-ray film, which is housed in a light protection cover which is in turn in an easy to open Outer shell is arranged.
- Tear-off tabs are for transparent covers for dental X-ray films in EP-A-0 363 092.
- a device for developing sheet films for the Radiation protection measurement is described in DE-B-12 26 881.
- a development container has a gable roof-shaped upper part, the entry slot runs on the ridge.
- the invention is based on the problem of a device to develop an initially mentioned in the To create packaging contained dental X-ray film.
- This object is achieved in that the developing device above that in the developing container entering slot and in alignment with this an insertion shaft in a lock body for packaging with the dental X-ray film, which is open to an insertion side that is transverse to the Level of the direction of insertion of the dental X-ray film into the Development container and perpendicular to the top of the Development container, and in which of opposite Each side has a slot for receiving each a tear tab of the packaging opens, where these two slots at the same time towards the insertion side are open.
- This device makes the setup a dark room or a darkened room unnecessary.
- the lock body is when the light protection cover is torn open reliably light-tight without being one of them complex design of the lock body is required if according to another development of the invention Lock body on the insertion side one in the closed Condition the insertion shaft and the two slots light-tight has covering flap.
- the light protection cover can open upwards when torn open protrude from the insertion shaft. Then you need for the lock body a lesser height than it's length of the dental X-ray film. A particularly safe one However, light tightness results when according to another Further development of the invention of the insertion shaft that of the top of the lock body of the development container opposite side is closed.
- An alternative embodiment of the device for development one initially in the aforementioned packaging packaged dental X-ray film, which is a developing container with a development framework below one Has insertion slot in which the dental X-ray film is to use the developing device two in parallel on both sides of the input slot has drivable rollers arranged relative to one another, which to connect to the tear tabs of the packaging are trained.
- Such a device also no longer requires unpack the dental X-ray film in the dark and in the development container, rather the Device just like the first one with light in the usual practice rooms.
- the device is particularly simple if according to another development of the invention one of the Rolling can be driven by a handwheel and both rolls each have a gear or friction wheel, which together are engaged.
- the x-ray film can be put together with the development framework after its development in a water bath and a warm air chamber be placed so that it is particularly convenient is to be handled if according to another configuration the invention of the development framework by means of a snap connection easily detachable below the input slot is arranged.
- the packaging shown in Figure 1 has an outer x-ray protective cover 1, which is preferably made of polypropylene and must be waterproof. Fixed with an inner one Wall surface of the X-ray protective cover 1 is connected Lead foil 2, which should be thick enough to be used for X-rays to provide effective radiation protection for the patient. Inside the x-ray protective cover 1 a dental X-ray film 3 which is covered by a light protection cover 4 is surrounded. The X-ray protective cover 1 is, for example trained on one side so that you can use it without destruction can open and close again to give you the Remove the dental X-ray film 3 with the light protection cover 4 can.
- FIG. 2 shows the light protection cover 4 from its broad side. Therefore you can see a cover surface 5, behind the the dental X-ray film 3 is arranged. Seen in Figure 2 there is another one behind the dental X-ray film 3 Cover surface 6, which can be seen in Figure 3. On the cover surface 5, a tear tab 7 is formed. Like figure 3 reveals, the covering surface 6 has a corresponding one Pull tab 8 on. If you pull the pull tabs 7, 8, as can be seen in FIG. 3, apart, then you tear the cover surfaces 5, 6 apart, so that the dental X-ray film 3 from the light protection cover 4 comes free and falls down out of it.
- FIG. 4 shows a cover 9 in perspective Development device, which is shown on a partially Development container 10 placed from above is and on which a lock body 11 is arranged is.
- This lock body 11 has an insertion shaft 12, which has an input slot 13 in the cover 9 flees.
- the insertion shaft 12 is upward, however also towards an insertion side 14 of the lock body 11 open.
- This insertion side 14 is perpendicular to the plane the cover 9 is aligned and is located on a Narrow side of the input slot 13.
- both slots 15, 16 are also open to the insertion side 14.
- One in figure 4 open flap 17 can about a hinge axis 18 to be pivoted so that they are closed Condition against the insertion side 14 light-tight is present.
- FIG. 5 shows that on the underside of the cover 9 a development frame 19 by a two spring elements 20, 21 having locking connection is held.
- This Development framework 19 is dimensioned so that one over the Lock body 11 inserted dental X-ray film 3 to slips against the lower end of the development frame 19.
- rollers 24, 25 In the embodiment according to FIG Entry slot 13 in the cover 9 between two in each a cover trough 22, 23 arranged rollers 24, 25.
- the Roller 24 can be rotated by means of a handwheel 26.
- Gears 27, 28 transmit this rotary motion to the other roller 25.
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur Entwicklung eines Zahnröntgenfilms, welcher in einer zwei Abdeckflächen aufweisenden Lichtschutzhülle verpackt ist, bei der an den Abdeckflächen an einer der Verpackung gemeinsamen Kante jeweils eine Aufreißlasche angeformt ist und die Abdeckflächen an ihren beiden parallel zu der Kante mit der jeweiligen Aufreißlasche verlaufenden Kanten leicht auseinandereißbar miteinander verbunden sind, wobei die Vorrichtung einen Entwicklungsbehälter mit einem Entwicklungsrahmen unterhalb eines Eingabeschlitzes aufweist, in welchem der Zahnröntgenfilm einzusetzen ist.The invention relates to a device for development of a dental X-ray film, which in two cover areas having a light protection cover is packaged at the on the cover surfaces on one of the packaging common Edge a tear tab is formed and the Cover surfaces at their two parallel to the edge with edges of the respective tear tab slightly are tearable together, the Device a development container with a development frame underneath an input slot, in which the dental X-ray film is to be used.
Die gebräuchlichen Zahnröntgenfilme sind bislang gemeinsam mit einer Bleifolie, einem Trennkarton und einem umgebenden Schwarzpapier in einer taschenartigen Verpackung aus Kunststoff licht- und mundspeicheldicht untergebracht. Der Trennkarton ist zwischen der Bleifolie und dem Zahnröntgenfilm angeordnet, um den Zahnröntgenfilm vor Berührung mit der Bleifolie zu schützen. Anderenfalls würde diese Flecken auf dem Zahnröntgenfilm erzeugen. Das Schwarzpapier schützt vor Lichteinfall.The usual dental X-ray films are common to date with a lead foil, a separating box and a surrounding one Black paper in a bag-like packaging made of plastic, light and mouth saliva-proof. The separation box is between the lead foil and the dental X-ray film is arranged around the dental X-ray film Protect against contact with the lead foil. Otherwise would create these spots on the dental X-ray film. The Black paper protects against the incidence of light.
Wenn der belichtete Zahnröntgenfilm entwickelt werden soll, muss man ihn zunächst in einem abgedunkelten Raum der Verpackung entnehmen. Das Entnehmen der für Erwachsene nur 30 x 40 mm und für Kinder sogar nur 22 x 30 mm großen Zahnröntgenfilme im Dunklen aus der Verpackung bereitet Schwierigkeiten; denn die Verpackungen sind aufwendig und unterschiedlich gestaltet und nicht leicht zu öffnen, weil sie den Film vor Lichteinfall und vor Mundfeuchtigkeit schützen müssen. Weiterhin muss beim Auspacken darauf geachtet werden, dass man zum Entwickeln den Zahnröntgenfilm von der lose in der Verpackung sitzenden Bleifolie, dem Trennkarton und Schwarzpapier befreit. Ein automatisches Auspacken der Zahnröntgenfilme ist bei den bekannten Verpackungen wegen ihrer aufwendigen und komplizierten unterschiedlichen Gestaltung nicht möglich.When the exposed dental x-ray film are developed you have to put it in a darkened room remove from the packaging. Taking out for adults only 30 x 40 mm and for children even only 22 x 30 mm large dental X-ray films in the dark from the packaging Difficulties; because the packaging is complex and designed differently and not easy to because they open the film from incidence of light and from oral dampness need to protect. Furthermore, when unpacking care is taken to develop the Dental X-ray film of the loose in the packaging Lead foil, the separating box and black paper are exempt. A automatic unpacking of the dental X-ray films is with the well-known packaging because of its complex and complex different design not possible.
Die bekannten Verpackungen haben jedoch nicht nur den Nachteil, dass man sie nur umständlich handhaben kann. Sie sind auch aus Gründen des Umweltschutzes und der Schonung von Ressourcen nicht optimal. Weil in jeder Verpackung eine Bleifolie vorhanden ist, fällt mit jedem Auspacken eines Zahnröntgenfilms eine solche Bleifolie als Abfall an. Aus Kostengründen bildet man deshalb die Bleifolie relativ dünnwandig aus, was jedoch den Nachteil hat, dass sie nur 20 - 40% der Röntgenstrahlen absorbiert und deshalb nur einen unvollkommenen Schutz vor Röntgenstrahlung bietet. Die äußere Verpackung besteht üblicherweise aus Polyethylen und darf deshalb genau wie die Bleifolie nicht zusammen mit Trennkarton und Schwarzpapier entsorgt werden. Meist wird jedoch aus Bequemlichkeit die gesamte Verpackung mit der Bleifolie und dem Polyethylenteil in den Papierkorb geworfen.However, the known packaging does not only have that Disadvantage that you can only handle them cumbersome. They are also for environmental protection and reasons Conservation of resources is not optimal. Because in every package a lead foil is present, falls with everyone Unpacking a dental X-ray film such a lead foil as waste. For cost reasons, you therefore form the Lead foil is relatively thin-walled, which however has the disadvantage has that it only absorbs 20-40% of the x-rays and therefore only imperfect protection against X-rays offers. The outer packaging is usually made made of polyethylene and can therefore be just like that Lead foil not together with separation cardboard and black paper to be disposed of. Mostly, however, convenience the entire packaging with the lead foil and the polyethylene part thrown in the trash.
Nach dem Auspacken des Zahnröntgenfilmes bereitet sein Einsetzen in den Entwicklungsrahmen der Entwicklungsvorrichtung zusätzliche Schwierigkeiten, weil diese Arbeit ebenfalls im Dunklen erfolgen muss. Meist wird der Zahnröntgenfilm an einer Ecke am Entwicklungsrahmen festgeklammert. Dabei kommt es leicht vor, dass in den Bildbereich hineingeklammert wird, so dass ein Teil des Bildinhaltes verlorengeht. Das anschließende Entwickeln und Fixieren des Zahnröntgenfilms erfolgt mit den bekannten Vorrichtungen häufig hinsichtlich Bewegung und Temperatur der Bäder nicht optimal. Dadurch entstehen oftmals Röntgenbilder von ungenügender Qualität.Be ready after unpacking the dental X-ray film Insert into the development frame of the developing device additional difficulties because of this work must also be done in the dark. Mostly the dental X-ray film clipped to the development frame at one corner. It easily happens that in the image area is bracketed so that part of the image content get lost. The subsequent development and fixing the dental X-ray film is done with the known Devices often in terms of movement and temperature the bathrooms are not optimal. This often results X-ray images of insufficient quality.
Während die Entwicklung von Zahnröntgenfilmen in vielen zahnärztlichen Praxen in kleinen, verdunkelten und zuweilen schlecht belüfteten Räumen mit umständlich zu handhabenden Entwicklungsgeräten erfolgt, sind in der Mikrofilmtechnik einfach zu handhabende, kleinvolumige Entwicklungsvorrichtungen bekannt, welche mit Fixierentwickler arbeiten können. Als Beispiel für den Stand der Technik sei auf die DE-B-11 46 353 verwiesen. Diese Schrift zeigt eine Entwicklungsbox, auf welche lichtdicht eine Kassette mit dem zu entwickelnden Film gesetzt wird. Dieser Film rutscht nach dem Öffnen der Kassette in einen Filmrahmen und gelangt dann in den Behälter. Eine solche Entwicklungsvorrichtung ist jedoch für Zahnröntgenfilme nicht geeignet, weil diese beim Röntgen in einer möglichst flachen und natürlich kostengünstigen Verpackung untergebracht sein müssen, während die Filme bei der vorgenannten Entwicklungsvorrichtung aus einer Kamera jeweils in die Kassette laufen. Die Kassette ist also keine Verpackung, sondern ein immer wieder zu verwendendes Bauteil.During the development of dental X-ray films in many dental practices in small, darkened and sometimes poorly ventilated rooms with awkward to handling developing devices are in the Microfilm technology easy to handle, small volume Development devices known, which with fixing developer can work. As an example of the state of the Technology is referred to DE-B-11 46 353. This Scripture shows a development box, on which lightproof a cassette is placed with the film to be developed. This film slides into one after opening the cassette Film frame and then gets into the container. Such However, developing device is for dental X-ray films not suitable, because this is possible in an x-ray flat and of course inexpensive packaging must be accommodated while the films are at the aforementioned Development device from one camera each run into the cassette. So the cassette is not one Packaging, but a component that can be used again and again.
Die CH-A-351 495 beschreibt eine Verpackung für einen Zahnröntgenfilm, welcher in einer Lichtschutzhülle untergebracht ist, die ihrerseits in einer leicht zu öffnenden Außenhülle angeordnet ist.CH-A-351 495 describes packaging for one Dental X-ray film, which is housed in a light protection cover which is in turn in an easy to open Outer shell is arranged.
Aufreißlaschen sind bei Klarsichthüllen für Zahnröntgenfilme in der EP-A-0 363 092 beschrieben.Tear-off tabs are for transparent covers for dental X-ray films in EP-A-0 363 092.
Eine Vorrichtung zum Entwickeln von Blattfilmen für die Strahlenschutzmessung ist in der DE-B-12 26 881 beschrieben. Bei der in dieser Schrift erläuterten Vorrichtung hat ein Entwicklungsbehälter ein satteldachförmiges Oberteil, auf dessen First der Eingabeschlitz verläuft.A device for developing sheet films for the Radiation protection measurement is described in DE-B-12 26 881. In the device explained in this document a development container has a gable roof-shaped upper part, the entry slot runs on the ridge.
Der Erfindung liegt das Problem zugrunde, eine Vorrichtung zur Entwicklung eines zunächst in der eingangs genannten Verpackung enthaltenen Zahnröntgenfilms zu schaffen.The invention is based on the problem of a device to develop an initially mentioned in the To create packaging contained dental X-ray film.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Entwicklungsvorrichtung oberhalb des in den Entwicklungsbehälter hineinführenden Eingabeschlitzes und fluchtend mit diesem in einem Schleusenkörper einen Einführschacht für die Verpackung mit dem Zahnröntgenfilm hat, welcher zu einer Einführseite hin offen ist, die quer zur Ebene der Einführrichtung des Zahnröntgenfilms in den Entwicklungsbehälter und rechtwinklig zur Oberseite des Entwicklungsbehälters liegt, und in welchen von entgegengesetzten Seiten her jeweils ein Schlitz zum Aufnehmen jeweils einer Aufreißlasche der Verpackung mündet, wobei diese beiden Schlitze zugleich zu der Einführseite hin offen sind.This object is achieved in that the developing device above that in the developing container entering slot and in alignment with this an insertion shaft in a lock body for packaging with the dental X-ray film, which is open to an insertion side that is transverse to the Level of the direction of insertion of the dental X-ray film into the Development container and perpendicular to the top of the Development container, and in which of opposite Each side has a slot for receiving each a tear tab of the packaging opens, where these two slots at the same time towards the insertion side are open.
Bei einer solchen Vorrichtung kann man die Lichtschutzhülle bei Tageslicht von der Einführseite her so in den Einführschacht einschieben, dass die Aufreißlaschen in entgegengesetzte Richtungen aus den Schlitzen ragen. Dann braucht man nur noch an den beiden Aufreißlaschen zu ziehen, wodurch die Lichtschutzhülle aufgerissen wird und der Zahnröntgenfilm durch den Eingabeschlitz in den Entwicklungsrahmen fällt.With such a device you can use the light protection cover in daylight from the entry side into the Insert the insertion slot so that the pull tabs in opposite directions protrude from the slots. Then all you have to do is pull the two pull tabs, whereby the light protection cover is torn open and the dental X-ray film through the input slot in the development frame falls.
Durch diese erfindungsgemäße Vorrichtung wird das Einrichten einer Dunkelkammer oder eines verdunkelten Raumes unnötig. Auch entfällt der Zeitverlust, der bisher durch den Transport des verpackten Zahnröntgenfilms zur Dunkelkammer und durch das dortige umständliche Auspacken des Zahnfilms, seine komplizierte Handhabung beim Entwickeln sowie durch den Transport des entwickelten Zahnfilms auftrat.This device according to the invention makes the setup a dark room or a darkened room unnecessary. The loss of time that was previously caused by the transport of the packaged dental X-ray film to the dark room and by unpacking it there of the dental film, its complicated handling when developing as well as by transporting the developed dental film occurred.
Der Schleusenkörper ist beim Aufreißen der Lichtschutzhülle zuverlässig lichtdicht, ohne dass es hierzu einer aufwendigen Gestaltung des Schleusenkörpers bedarf, wenn gemäß einer anderen Weiterbildung der Erfindung der Schleusenkörper an der Einführseite eine im geschlossenen Zustand den Einführschacht und die beiden Schlitze lichtdicht abdeckende Klappe aufweist.The lock body is when the light protection cover is torn open reliably light-tight without being one of them complex design of the lock body is required if according to another development of the invention Lock body on the insertion side one in the closed Condition the insertion shaft and the two slots light-tight has covering flap.
Die Lichtschutzhülle kann beim Aufreißen nach oben hin aus dem Einführschacht herausragen. Dann benötigt man für den Schleusenkörper eine geringere Höhe als es der Länge des Zahnröntgenfilms entspricht. Eine besonders sichere Lichtdichtigkeit ergibt sich jedoch, wenn gemäß einer anderen Weiterbildung der Erfindung der Einführschacht an der der Oberseite des Schleusenkörpers der dem Entwicklungsbehälter abgewandten Seite geschlossen ist.The light protection cover can open upwards when torn open protrude from the insertion shaft. Then you need for the lock body a lesser height than it's length of the dental X-ray film. A particularly safe one However, light tightness results when according to another Further development of the invention of the insertion shaft that of the top of the lock body of the development container opposite side is closed.
Eine alternative Ausführungsform der Vorrichtung zur Entwicklung eines zunächst in der vorgenannten Verpackung verpackten Zahnröntgenfilms, welche einen Entwicklungsbehälter mit einem Entwicklungsrahmen unterhalb eines Einführschlitzes aufweist, in welchem der Zahnröntgenfilm einzusetzen ist, besteht darin, dass die Entwicklungsvorrichtung zu beiden Seiten des Eingabeschlitzes zwei parallel zueinander angeordnete, antreibbare Walzen hat, welche zum Verbinden mit den Aufreißlaschen der Verpackung ausgebildet sind.An alternative embodiment of the device for development one initially in the aforementioned packaging packaged dental X-ray film, which is a developing container with a development framework below one Has insertion slot in which the dental X-ray film is to use the developing device two in parallel on both sides of the input slot has drivable rollers arranged relative to one another, which to connect to the tear tabs of the packaging are trained.
Auch eine solche Vorrichtung macht es nicht mehr erforderlich, den Zahnröntgenfilm im Dunklen auszupacken und in den Entwicklungsbehälter zu geben, vielmehr kann die Vorrichtung genau wie die zuerst genannte bei Licht in den üblichen Praxisräumen benutzt werden.Such a device also no longer requires unpack the dental X-ray film in the dark and in the development container, rather the Device just like the first one with light in the usual practice rooms.
Besonders einfach ist die Vorrichtung gestaltet, wenn gemäß einer anderen Weiterbildung der Erfindung eine der Walzen durch ein Handrad antreibbar ist und beide Walzen jeweils ein Zahnrad oder Reibrad aufweisen, welche miteinander in Eingriff stehen.The device is particularly simple if according to another development of the invention one of the Rolling can be driven by a handwheel and both rolls each have a gear or friction wheel, which together are engaged.
Der Röntgenfilm kann zusammen mit dem Entwicklungsrahmen nach seiner Entwicklung in ein Wasserbad und eine Warmluftkammer gestellt werden, so dass er besonders bequem zu handhaben ist, wenn gemäß einer anderen Ausgestaltung der Erfindung der Entwicklungsrahmen mittels einer Rastverbindung leicht lösbar unterhalb des Eingabeschlitzes angeordnet ist.The x-ray film can be put together with the development framework after its development in a water bath and a warm air chamber be placed so that it is particularly convenient is to be handled if according to another configuration the invention of the development framework by means of a snap connection easily detachable below the input slot is arranged.
Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips sind eine Verpackung und zwei Entwicklungsvorrichtungen nach der Erfindung in der Zeichnung dargestellt und werden nachfolgend beschrieben. In ihr zeigen die
- Fig. 1
- einen senkrechten Schnitt durch eine vollständige Verpackung,
- Fig.2
- eine Ansicht einer Lichtschutzhülle der Verpackung,
- Fig.3
- eine Seitenansicht der Hülle während ihres Aufreißens,
- Fig.4
- eine perspektivische Ansicht eines Deckels eines Entwicklungsbehälters nach der Erfindung,
- Fig.5
- eine Seitenansicht des Deckels mit einem Entwicklungsrahmen,
- Fig.6
- eine perspektivische Ansicht einer zweiten Ausführungsform eines Deckels des Entwicklungsbehälters.
- Fig. 1
- a vertical cut through a complete package,
- Fig. 2
- a view of a light protection cover of the packaging,
- Fig. 3
- a side view of the casing as it is torn open,
- Fig. 4
- 2 shows a perspective view of a lid of a development container according to the invention,
- Fig. 5
- a side view of the lid with a development frame,
- Fig. 6
- a perspective view of a second embodiment of a lid of the developing container.
Die in Figur 1 gezeigte Verpackung hat eine äußere Röntgenschutzhülle
1, die vorzugsweise aus Polypropylen besteht
und wasserfest sein muss. Fest mit einer inneren
Wandfläche der Röntgenschutzhülle 1 verbunden ist eine
Bleifolie 2, welche dick genug sein soll, um beim Röntgen
für den Patienten einen wirksamen Strahlenschutz zu bilden.
Im Inneren der Röntgenschutzhülle 1 befindet sich
ein Zahnröntgenfilm 3, der von einer Lichtschutzhülle 4
umgeben ist. Die Röntgenschutzhülle 1 ist beispielsweise
an einer Seite so ausgebildet, dass man sie ohne Zerstörung
öffnen und wieder verschließen kann, um ihr den
Zahnröntgenfilm 3 mit der Lichtschutzhülle 4 entnehmen zu
können.The packaging shown in Figure 1 has an outer x-ray
Die Figur 2 zeigt die Lichtschutzhülle 4 von ihrer Breitseite.
Deshalb sieht man eine Abdeckfläche 5, hinter der
der Zahnröntgenfilm 3 angeordnet ist. In Figur 2 gesehen
hinter dem Zahnröntgenfilm 3 befindet sich eine weitere
Abdeckfläche 6, die in Figur 3 zu sehen ist. An der Abdeckfläche
5 ist eine Aufreißlasche 7 angeformt. Wie Figur
3 erkennen lässt, weist die Abdeckfläche 6 eine entsprechende
Aufreißlasche 8 auf. Zieht man die Aufreißlaschen
7, 8, wie das in Figur 3 zu sehen ist, auseinander,
dann reißt man die Abdeckflächen 5, 6 auseinander, so
dass der Zahnröntgenfilm 3 von der Lichtschutzhülle 4
freikommt und nach unten hin aus ihr herausfällt.FIG. 2 shows the
Die Figur 4 zeigt perspektivisch einen Deckel 9 einer
Entwicklungsvorrichtung, welcher auf einen teilweise dargestellten
Entwicklungsbehälter 10 von oben her aufgesetzt
ist und auf dem ein Schleusenkörper 11 angeordnet
ist. Dieser Schleusenkörper 11 hat einen Einführschacht
12, welcher mit einem Eingabeschlitz 13 im Deckel 9
fluchtet. Der Einführschacht 12 ist nach oben hin, aber
auch zu einer Einführseite 14 des Schleusenkörpers 11 hin
offen. Diese Einführseite 14 ist rechtwinklig zur Ebene
des Deckels 9 ausgerichtet und befindet sich an einer
Schmalseite des Eingabeschlitzes 13.FIG. 4 shows a
In den Einführschacht 12 führt von entgegengesetzten Seiten
jeweils ein Schlitz 15, 16. Beide Schlitze 15, 16
sind zugleich zur Einführseite 14 hin offen. Eine in Figur
4 offen dargestellte Klappe 17 vermag um eine Scharnierachse
18 verschwenkt zu werden, so dass sie im geschlossenen
Zustand gegen die Einführseite 14 lichtdicht
anliegt.In the
Zum Entwickeln eines Zahnröntgenfilms 3 schiebt man bei
Licht die Lichtschutzhülle 4 mit dem Zahnröntgenfilm 3
von der Einführseite 14 her so in den Einführschacht 12,
dass seine beiden Aufreißlaschen 7, 8 in die Schlitze 15,
16 zu liegen kommen und aus ihnen in Figur 2 gesehen nach
rechts und links herausragen. Dann schließt man die
Klappe 17. Anschließend zieht man an den beiden Aufreißlaschen
7, 8, wodurch die Lichtschutzhülle 4 aufgerissen
wird und der Zahnröntgenfilm 3 nach unten durch den Eingabeschlitz
13 in den Entwicklungsbehälter 10 zu fallen
vermag.To develop a
Die Figur 5 zeigt, dass an der Unterseite des Deckels 9
ein Entwicklungsrahmen 19 durch eine zwei Federelemente
20, 21 aufweisende Rastverbindung gehalten ist. Dieser
Entwicklungsrahmen 19 ist so bemessen, dass ein über den
Schleusenkörper 11 eingebrachter Zahnröntgenfilm 3 bis
gegen das untere Ende des Entwicklungsrahmens 19 rutscht. FIG. 5 shows that on the underside of the cover 9
a
Bei der Ausführungsform gemäß Figur 6 befindet sich der
Eingabeschlitz 13 im Deckel 9 zwischen zwei jeweils in
einer Deckelmulde 22, 23 angeordneten Walzen 24, 25. Die
Walze 24 kann mittels eines Handrades 26 gedreht werden.
Zahnräder 27, 28 übertragen diese Drehbewegung auf die
andere Walze 25.In the embodiment according to
Wenn man in dem Entwicklungsbehälter 10 einen Zahnröntgenfilm
3 entwickeln will, dann setzt man die Lichtschutzhülle
4 mit dem Zahnröntgenfilm 3 auf den Eingabeschlitz
13 und befestigt die Aufreißlaschen 7, 8 an den
Walzen 24, 25. Dann dreht man am Handrad 26, wodurch die
Aufreißlaschen 7, 8 zunehmend auf den Walzen 24, 25 aufgewickelt
werden und die Lichtschutzhülle 4 aufgerissen
wird, so dass der Zahnröntgenfilm 3 in das Innere des
Entwicklungsbehälters 10 fällt. Dabei wird er in vertikale
Nuten eines Entwicklungsrahmens aufgenommen, der dem
Entwicklungsrahmen 19 nach Figur 5 entspricht. If you put a dental X-ray film in the developing
- 11
- RöntgenschutzhülleX-ray protective cover
- 22nd
- BleifolieLead foil
- 33rd
- ZahnröntgenfilmDental X-ray film
- 44th
- LichtschutzhülleLight protection cover
- 55
- AbdeckflächeCover area
- 66
- AbdeckflächeCover area
- 77
- AufreißlaschePull tab
- 88th
- AufreißlaschePull tab
- 99
- Deckelcover
- 1010th
- EntwicklungsbehälterDevelopment container
- 1111
- SchleusenkörperLock body
- 1212th
- EinführschachtInsertion shaft
- 1313
- EingabeschlitzInput slot
- 1414
- EinführseiteIntroduction page
- 1515
- Schlitzslot
- 1616
- Schlitzslot
- 1717th
- Klappeflap
- 1818th
- ScharnierachseHinge axis
- 1919th
- EntwicklungsrahmenDevelopment framework
- 2020th
- FederelementSpring element
- 2121
- FederelementSpring element
- 2222
- DeckelmuldeLid recess
- 2323
- DeckelmuldeLid recess
- 2424th
- Walzeroller
- 2525th
- Walzeroller
- 2626
- HandradHandwheel
- 2727
- Zahnradgear
- 2828
- Zahnradgear
Claims (6)
- Device for developing a dental X-ray film (3) packaged in a light-protection wrapper (4) which comprises two covering faces (5, 6), in which a respective tear-open tab (7, 8) is formed on the covering faces (5, 6) on an edge common to the packaging and the covering faces (5, 6) are connected to one another at their two edges extending parallel to the edge with the respective tear-open tab (7, 8) so that they can easily be torn apart, wherein the device comprises a development container (10) with a development frame (19) beneath an input slot (13) in which the dental X-ray film (3) is to be inserted, characterized in that the development device has, above the inlet slot (13) leading into the development container (10) and aligned therewith in a sluice member (11), an entry duct (12) for the packaging with the dental X-ray film (3) which is open toward an entry side (14), is located transversely to the plane of the entry direction of the dental X-ray film (3) into the development container (10) and at right angles to the upper side of the development container (10) and into which there opens from opposite sides a respective slot (15, 16) for receiving a respective tear-open tab (7, 8) of the packaging, these two slots (15, 16) at the same time being open to the entry side (14).
- Device according to claim 1, characterized in that, on the entry side (14), the sluice member (11) has a flap (17) which covers the entry duct (12) and the two slots (15, 16) in a light-proof manner in the closed state.
- Device according to claims 1 or 2, characterized in that the entry duct (12) is closed on the side of the sluice member (11) remote from the upper side of the development container (10).
- Device for developing a dental X-ray film (3) packaged in a light-protection wrapper (4) which comprises two covering faces (5, 6), in which a respective tear-open tab (7, 8) is formed on the covering faces (5, 6) on an edge common to the packaging and the covering faces (5, 6) are connected to one another at their two edges extending parallel to the edge with the respective tear-open tab (7, 8) so that they can easily be torn apart, wherein the device comprises a development container (10) with a development frame (19) beneath an input slot (13) in which the dental X-ray film (3) is to be inserted, characterized in that it has, on both sides of the inlet slot (13), two drivable rollers (24, 25) which are arranged parallel to one another and are designed for connection to the tear-open tabs (7, 8) of the packaging.
- Device according to claim 4, characterized in that one of the rollers (24) can be driven by a hand wheel (26) and the two rollers (24, 25) each comprise a gear-wheel (27, 28) or friction wheel which engage with one another.
- Device according to claims 4 or 5, characterized in that the development frame (19) is arranged readily releasably beneath the inlet slot (13) by means of a catch connection (spring elements 20, 21).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4446247 | 1994-12-23 | ||
| DE4446247A DE4446247A1 (en) | 1994-12-23 | 1994-12-23 | Packaging for a dental X-ray film and device for developing the dental X-ray film |
| PCT/DE1995/001818 WO1996020428A1 (en) | 1994-12-23 | 1995-12-19 | Packaging for dental x-ray film and device for developing said film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0799437A1 EP0799437A1 (en) | 1997-10-08 |
| EP0799437B1 true EP0799437B1 (en) | 1998-09-09 |
Family
ID=6536882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95942021A Expired - Lifetime EP0799437B1 (en) | 1994-12-23 | 1995-12-19 | device for developing a dental x-ray film |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5887213A (en) |
| EP (1) | EP0799437B1 (en) |
| JP (1) | JPH11500537A (en) |
| AT (1) | ATE170991T1 (en) |
| AU (1) | AU4326296A (en) |
| DE (2) | DE4446247A1 (en) |
| WO (1) | WO1996020428A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7181758B1 (en) * | 1994-07-25 | 2007-02-20 | Data Innovation, L.L.C. | Information distribution and processing system |
| DE19630378A1 (en) * | 1996-07-29 | 1998-02-05 | Kentzler Kaschner Dental Gmbh | Packaging for dental X-ray film |
| US6216870B1 (en) | 1996-08-03 | 2001-04-17 | Ulrich Welp | Packaging for a dental x-ray film |
| US8946295B2 (en) * | 2002-07-25 | 2015-02-03 | Sunny Pharmtech Inc. | Histone hyperacetylating agents for promoting wound healing and preventing scar formation |
| DE102004023103A1 (en) * | 2004-05-11 | 2005-12-08 | Welp, Ulrich, Dr. | Dental X ray development machine, has automatic film development unit with transport rollers feeding scanner digitizing negative film |
| US7063459B2 (en) * | 2004-10-28 | 2006-06-20 | Eastman Kodak Company | Dental x-ray packets having non-lead radiation shielding |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH351495A (en) * | 1955-09-28 | 1961-01-15 | Agfa Ag | Light-tight film pack for daylight development |
| DE1122371B (en) * | 1957-08-28 | 1962-01-18 | Agfa Ag | Sheet film pack for roentgenographic purposes, especially dental film pack |
| US3060860A (en) * | 1960-10-10 | 1962-10-30 | Edward J Schaefer | End bell for motor-pump unit |
| DE1856383U (en) * | 1962-06-16 | 1962-08-09 | Agfa Ag | X-RAY FILM PACK FOR INTRAOPERATIVE SHOOTING. |
| DE1873444U (en) * | 1963-04-04 | 1963-06-06 | Eltro G M B H & Co Ges Fuer St | X-RAY FILM CASSETTE. |
| DE1226881B (en) * | 1964-01-17 | 1966-10-13 | Dr Med Franz Kimberger | Daylight developing device for sheet films used for radiation protection measurements |
| US3430042A (en) * | 1966-10-10 | 1969-02-25 | Phil X | Dental x-ray film pack having an independent developer means therein |
| US3737363A (en) * | 1968-05-27 | 1973-06-05 | Productron Inc | Dental film stripper |
| US3580159A (en) * | 1969-02-20 | 1971-05-25 | Jack B Buck | Dental x-ray film holder |
| US3727533A (en) * | 1971-07-20 | 1973-04-17 | T Perl | Lightproofed dental radiographic film developer |
| US4032943A (en) * | 1975-06-19 | 1977-06-28 | Pennwalt Corporation | Dental x-ray film processing system |
| DE7535699U (en) * | 1975-11-10 | 1976-03-04 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | FILM PACK FOR INTRAORAL DENTAL RENTALS |
| IT1076858B (en) * | 1977-01-10 | 1985-04-27 | Gimad Italiana Di Giorgio Drag | EQUIPMENT AND PROCEDURE FOR THE DEVELOPMENT OF FILMS IN PARTICULAR X-RAYS FOR DENTAL USE |
| FR2604265B1 (en) * | 1986-09-19 | 1988-12-02 | Paulhe Pascal | METHOD AND DEVICE FOR UNPACKING SENSITIVE PLATES FOR DENTAL X-RAYS |
| DE3821586A1 (en) * | 1988-06-25 | 1990-01-04 | Otto Dr Walter | X-ray film developing cassette and device for developing the X-ray film located therein |
| EP0363092A3 (en) * | 1988-10-05 | 1991-10-09 | Eastman Kodak Company | Barrrier means for intraoral radiography |
| SE8900840D0 (en) * | 1989-03-10 | 1989-03-10 | Boris Bozinovski | hygienist |
| US5077779A (en) * | 1991-01-24 | 1991-12-31 | Eastman Kodak Company | Dental film packet improvement and method for effecting same |
| US5070263A (en) * | 1991-02-08 | 1991-12-03 | Sundstrad Data Control, Inc. | Compact dual rotor torque motor for accelerometers |
| US5170423A (en) * | 1992-03-05 | 1992-12-08 | Yurosko John J | Intra oral dental x-ray packet |
-
1994
- 1994-12-23 DE DE4446247A patent/DE4446247A1/en not_active Withdrawn
-
1995
- 1995-12-19 DE DE59503550T patent/DE59503550D1/en not_active Expired - Fee Related
- 1995-12-19 AU AU43262/96A patent/AU4326296A/en not_active Abandoned
- 1995-12-19 AT AT95942021T patent/ATE170991T1/en not_active IP Right Cessation
- 1995-12-19 JP JP8520117A patent/JPH11500537A/en not_active Ceased
- 1995-12-19 EP EP95942021A patent/EP0799437B1/en not_active Expired - Lifetime
- 1995-12-19 US US08/860,168 patent/US5887213A/en not_active Expired - Fee Related
- 1995-12-19 WO PCT/DE1995/001818 patent/WO1996020428A1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| WO1996020428A1 (en) | 1996-07-04 |
| ATE170991T1 (en) | 1998-09-15 |
| JPH11500537A (en) | 1999-01-12 |
| DE59503550D1 (en) | 1998-10-15 |
| US5887213A (en) | 1999-03-23 |
| AU4326296A (en) | 1996-07-19 |
| EP0799437A1 (en) | 1997-10-08 |
| DE4446247A1 (en) | 1996-06-27 |
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