DE2031841B2 - Injection syringe or the like - Google Patents
Injection syringe or the likeInfo
- Publication number
- DE2031841B2 DE2031841B2 DE2031841A DE2031841A DE2031841B2 DE 2031841 B2 DE2031841 B2 DE 2031841B2 DE 2031841 A DE2031841 A DE 2031841A DE 2031841 A DE2031841 A DE 2031841A DE 2031841 B2 DE2031841 B2 DE 2031841B2
- Authority
- DE
- Germany
- Prior art keywords
- piston
- piston rod
- syringe
- rod
- cylinder
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/15058—Joining techniques used for protective means
- A61B5/150587—Joining techniques used for protective means by friction fit
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150236—Pistons, i.e. cylindrical bodies that sit inside the syringe barrel, typically with an air tight seal, and slide in the barrel to create a vacuum or to expel blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150244—Rods for actuating or driving the piston, i.e. the cylindrical body that sits inside the syringe barrel, typically with an air tight seal, and slides in the barrel to create a vacuum or to expel blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150251—Collection chamber divided into at least two compartments, e.g. for division of samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150259—Improved gripping, e.g. with high friction pattern or projections on the housing surface or an ergonometric shape
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150267—Modular design or construction, i.e. subunits are assembled separately before being joined together or the device comprises interchangeable or detachable modules
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150305—Packages specially adapted for piercing devices or blood sampling devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150389—Hollow piercing elements, e.g. canulas, needles, for piercing the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150503—Single-ended needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150534—Design of protective means for piercing elements for preventing accidental needle sticks, e.g. shields, caps, protectors, axially extensible sleeves, pivotable protective sleeves
- A61B5/150694—Procedure for removing protection means at the time of piercing
- A61B5/150717—Procedure for removing protection means at the time of piercing manually removed
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150755—Blood sample preparation for further analysis, e.g. by separating blood components or by mixing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/155—Devices specially adapted for continuous or multiple sampling, e.g. at predetermined intervals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing
- A61M2005/31598—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing having multiple telescopically sliding coaxial pistons encompassing volumes for components to be mixed
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
- A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
- A61M5/31515—Connection of piston with piston rod
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Diabetes (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Centrifugal Separators (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Description
gung durch diesen Schlitz bewegbarer Riegel ange- diesem wieder trennbaren Kolbenstange 14 zusam-through this slot movable bolt attached to this separable piston rod 14
bracnt ist. men ^n ^eT Spritze ist eine durch eine Kappe 16is bracnt. men ^ n ^ eT syringe is one through a cap 16
a a a T reiire zweckmä^ Ausgestaltung ist es, verschließbare Tülle 18 angeformt. Zur Führung im a T ei r i ^ re expedient embodiment is formed there, closable spout 18th For guidance in the
daß die beiden durch Relativdrehung zueinander in 5 Spritzenzylinder 10 ist die Kolbenstange mit scbei-that the two are rotated relative to each other in 5 syringe cylinder 10, the piston rod with scbei-
dieser Relativdrehung hindernde, wahlweise in oder Ende der Kolbenstange 14 ist eine Handhabe 22 vor-A handle 22 is provided to prevent this relative rotation, either in or at the end of the piston rod 14.
außer Emgnff bringbare Verriegelungselemente auf- gesehen.Locking elements which can be brought out except for reception are seen.
weisen. Dabei besteht eine besonders vorteilhafte Der Kolben 12 ist aus einem hochelastischen Ausfuhrungsform darin, daß parallel zur Kolbenstan- io Werkstoff, vorzugsweise Silikongummi, angefertigtpoint. The piston 12 is made of a highly elastic one Embodiment is that parallel to the piston rod io material, preferably silicone rubber, made
genachse sich im Kolben einerseits und am Riegel und ist an der der Kolbenstange 14 zugewandtengenachse itself in the piston on the one hand and on the bolt and is on the piston rod 14 facing
andererseits mit gleichem Zentrumsabstand eine Seite mit einer schlitzartigen öffnung versehen, dieon the other hand, with the same center distance, one side is provided with a slot-like opening which
fen befinden, wobei die gegenseitige Zuordnung von einer in den Kolben durch diese öffnung 24 einsetz-Bonrung und Zapfen so gewählt ist, daß beide bei 15 baren Platte 26 aus härterem Werkstoff, vorzugs-fen are located, the mutual association of one in the piston through this opening 24 insert-Bonrung and pin is selected so that both at 15 baren plate 26 made of harder material, preferably
emer baugbewegung der Kolbenstange in Eingriff ge- weise Polystyrol oder Polypropylen entspricht.Emer construction movement of the piston rod in engagement corresponds to polystyrene or polypropylene.
lan|en· . Die öffnung 24 wie auch der Schlitz 28 in der lan | en ·. The opening 24 as well as the slot 28 in the
hine weitere zweckmäßige Ausgestaltung besteht Platte 26 sind so bemessen, daß durch sie ein ;:mIn another useful embodiment there is plate 26 are dimensioned so that through them a;: m
darin, daß der Kolbenstange mindestens ein An- Ende der Kolbenstange 14 anfeebrachter Riegel 30 in schlag zugeordnet ist, der geeignet ist. die Drehung ao das Innere des hohlen Kolbens 12 einsclrebbar istthat the piston rod 14 is associated at fe ebrachter latch 30 in at least one impact-arrival end of the piston rod, which is suitable. the rotation ao the interior of the hollow piston 12 can be engaged
der Kolbenstange relativ zum Kolben in einem Dreh- wenn sich der Riegel 30 und diese Schlitze in Dck-of the piston rod relative to the piston in one rotation - if the bolt 30 and these slots are in Dck-
sinn zu sperren, sobald sich die in oder außer Ein- kung befinden. An den in einer festgelegten Da-l·-meaning to block as soon as they are in or out of convergence. At the in a fixed Da-l -
gritt bringbaren Elemente in ihrer Lösestellung be- richtung des Riegels 30, in Fig. 3 beispielsweise eni-grittable elements in their release position in the direction of the bolt 30, in FIG. 3, for example,
linden. gegen dem Uhrzeigersinn, vorn liegenden Kanten des !Noch eine andere vorteilhafte Ausführungsform a5 Schlitzes 28 in der Platte 26 sind Anschlägt 32 α undlinden. counterclockwise, the front edges of the! Yet another advantageous embodiment a 5 slot 28 in the plate 26 are stops 32 α and
besteht dann, daß in einem bestimmten Drehsinn der 32 b vorgesehen, die ein Srgezahnprofil aufweisenthere is then that in a certain direction of rotation of the 32 b is provided, which have a Srgezahnprofil
Kolbenstange relativ zum Kolben an der jeweils in (Fig.4) und in dieser Drehrichtung rampenartic au--Piston rod relative to the piston at the rampenartic au-
Drehnchtung vorn befindlichen Kante des Schlitzes laufen.Rotate the front edge of the slot.
ein dem Riegel zugeordneter Anschlag angebracht Gegenüber dem Schlitz 28 um jeweils s>0 verist der sich in dieser Drehrichtung in Form einer 30 setzt sind in der Platte 26 Bohrungen angebracht, dk-a stop assigned to the bolt is attached opposite the slot 28 by s> 0 verist which is set in this direction of rotation in the form of a 30, 26 holes are made in the plate, dk-
schragen Rampe allmählich ausläuft. parallel zur Zylinderachse verlaufen. Diesen Bohriri-sloping ramp gradually tapering off. run parallel to the cylinder axis. This Bohriri-
bchließlicn besteht noch eine zweckmäßige Aus- gen M α und 34 b ist am Riegel 30 ein Zapfen 36 zuFinally, there is still an expedient exit M α and 34 b is a pin 36 on the bolt 30
gestaltung dann, daß zu beiden Seiten des Schlitzes geordnet, der etwas kürzer ist als die Wandstärke derdesign then that arranged on both sides of the slot, which is slightly shorter than the wall thickness of the
in jeweils gleichem Winkelabstand von diesem je eine Platte 26one plate 26 each at the same angular distance therefrom
Bohrung -η dieser Wand angebracht ist. 35 Soll in der in F i g. 1 gezeigten Lage die Kolben besonders vorteilhau :si es, daß der Kolben als stange vom Kolben getrennt werden, wird die KoI-Honlkoiper ausgebildet ist und der dem Kolben zu- benstange etwas in axialer Richtung in das Innere geordnete lei. der Verbindungselemente in einer des Zylinders 10 geschoben, wodurch sich der Zap-Flatte ausgebildet ist, die dur-h eine der Kolbenstange fen 36 aus der Bohrung 34 a löst. Nun kann die KoI-zugeordnete Öffnung in den elastischen Kolben ein- 40 benstange 14 um 90r gedreht werden, bis der Riegel setzbar ist und aus härterem Material als dieser be- 30 an den Anschlägen 32 ο bzw. 32 b anliegt. In distent. Dabei besteht der Kolben vorzugsweise aus SiIi- ser Lage kann nun durch eine entgegengesetzte Kongummie. hur die Platte wird Polystyrol oder Poly- Axialbewegung der Kolbenstange 14 diese aus dem propylen bevorzugt. Koiben 12 und damit auch aus dem Spritzenzylinder Die Herstellung des Kolbens aus einem hochela- 45 10 entfernt werden. Das Einsetzen der Kolbenstange stiscnen Material, z. B. Silikongummi, bringt den 14 in den Kolben 12 erfolgt in umgekehrter Reihenweiteren Vorteil, daß keine besondere Dichtung be- folge Hole -η this wall is attached. 35 Should in the in F i g. 1 the piston is particularly advantageous: if the piston is separated from the piston as a rod, the KoI-Honlkoiper is designed and the piston rod is arranged somewhat axially into the interior. of the connecting elements pushed into one of the cylinder 10, whereby the Zap-Flatte is formed, which releases one of the piston rod fen 36 from the bore 34 a dur-h. The opening assigned to the KoI in the elastic piston can now be rotated by 90 r until the bolt can be set and is made of a material that is harder than this and rests against the stops 32 o or 32 b. In distant. In this case, the piston preferably consists of a SiIis layer can now through an opposite cone. For the plate, polystyrene or poly-axial movement of the piston rod 14 is preferred, made of propylene. Koiben 12 and thus also from the syringe cylinder The manufacture of the plunger from a hochela- 45 10 can be removed. The insertion of the piston rod stiscnen material such. B. silicone rubber, brings the 14 in the piston 12 takes place in reverse order further advantage that no special seal follows
nötigt wird und der Kolben in einer Vielfach-Form Wie ersichtlich ist, wird eine Drehung zwischen iwrsteilDar ist Kolbenstange 14 und Kolben 12 nur in einer axialen . An lla?° der "un folgenden Beschreibung eines 5° Bewegungsrichtung der Kolbenstange sirher verhin-1? ^LZeJchrun? dargestel'ten Ausführungsbeispiels dert, nämlich in der auch zum Trei.nen von Kolbender Erfindung wird diese näher erläutert. Es zeigt stange und Kolben benutzten Bewegungsrichtung In Mf- L ei.nen Axialschnitt durch eine erfindungs- der entgegengesetzten axialen Richtung ist eine gemaue spritze, solche 3icftprung unnötig.is required and the piston is in a multiple shape As can be seen, rotation between iwrteilDar piston rod 14 and piston 12 is only in an axial one. An l l a? ° of the "un following description of a 5 ° the direction of movement of the piston rod sirher verhin-1? ^ L Ze J chrun? Represents g estel 'th embodiment changed, namely in the well is to Trei.nen of the piston of the invention this in more detail explained. It shows the rod and piston used in the direction of movement Mf L ei. nen axial section through a Inventions the opposite axial direction is a gemaue syringe, such icftprung 3 unnö tig.
A1S-*- einen Schnitt nach der Linie H-IJ in 55 Es ist noch zu erwähnen, daß im Rahmen der Er-A 1 S - * - a section along the line H-IJ in 55 It should also be mentioned that in the context of the
1J". '. findung mehrere Varianten möglich sind; so kann 1 J ". '. Finding several variants are possible; so can
J-Mg. i eine Draufsicht von unten auf die in den beispielsweise der Riegel mit dem Kolben verbundenJ-Mg. i is a plan view from below of the example of the bolt connected to the piston
Kolben eingelegte Platte und sein und sich in einem Abstand von der oberen Stirn-Piston inserted plate and his and at a distance from the upper face
■ 1T^/ta1/1—-. mtt durcih diese Platte nach der wand des Kolbens 12 befinden, während am inneren■ 1 T ^ / ta 1/1 - -. mtt through this plate are located on the wall of the piston 12, while on the inside
Linieiv-lV uiFig. 3. 60 Ende der Kolbenstange von dieser gabelförmig eineLine IV uiFig. 3. 60 end of the piston rod from this fork-shaped one
Die 5>pntze setzt sich im wesentlichen aus einem geschlitzte Scheibe getragen wird, die mit dem RiegelThe 5> pntze is essentially made up of a slotted disc that is supported by the latch
Spntzenzylmder 10. einem Kolben 12 und einer mit am Kolben in Eingriff gebracht werden kannSpntzylmder 10. one piston 12 and one with the piston can be brought into engagement
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (7)
linderachse erstreckenden Wand einen diametral Eine Spritze dieser Art wird der Aufgabe gerecht, verlaufenden Schlitz (28) aufweist und daß an einfach und billig herstellbar tu sein und die Mögdem dem Kolben zugewandten Ende der Kolben- lichkeit zu bieten, die Kolbenstange bei jeder beliebistange ein durch deren Axialbewegung durch die- gen axialen Stellung des Kolbens innerhalb des Spritsen Schlitz bewegbarer Riegel (30) angebracht 30 zenzylinders mit diesem verbinden und von diesem ist. lösen zu können. Die Spritze kann somit nicht nur2. Syringe according to claim 1, characterized in that it is provided which is suitable for indicating the connection that the piston (12) in one of the KoI element faces into the respective desired one of its two rod rods (14), and extends transversely to the cylinder. 25 lungs, according to main patent 2 024 117.
A syringe of this type fulfills the task of having a running slot (28) and that it can be produced simply and cheaply and that the end of the piston facing the piston can be inserted through the piston rod at any rod the axial movement of which, due to the axial position of the piston within the syringe slot, connects the movable bolt (30) with the cylinder and is connected to it. to be able to solve. The syringe can therefore not only
dadurch gekennzeichnet, daß in einem bestimm- Zur Lösung dieser Aufgabe wird vorgeschlagen, ten Drehsinn der Kolbenstange (14) relativ zum daß der Kolben und die mit einer Handhabe verse-Kolben (12) an der jeweils in Drehrichtung vorn hene Kolbenstange durch eine Relativdrehung zwibefindlichen Kante des Schlitzes (28) ein dem 60 sehen beiden um die Längsachse des Zylinders mit-Riegel (30) zugeordneter Anschlag (32 a, 32 6) einander in oder außer Eingriff bringbare Elemente angebracht ist, der sich in dieser Drehrichtung in aufweisen und daß als Stellglied die an der Kolben-Form einer schrägen Rampe allmählich verläuft. stange befindliche Handhabe dient.6. Syringe according to one of claims 2 to 5, should be disconnected or connected to this,
characterized in that in a certain direction of rotation of the piston rod (14) relative to the fact that the piston and the piston (12) verse with a handle on the respective in the direction of rotation at the front hene piston rod by a relative rotation between Edge of the slot (28) a stop (32 a, 32 6) which can be brought into or out of engagement with one another and which can be brought into or out of engagement with each other is attached to the two around the longitudinal axis of the cylinder with bolt (30), which are located in this direction of rotation and that as an actuator which gradually runs on the piston shape of an inclined ramp. Handle located on the rod is used.
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702024117D DE2024117B1 (en) | 1970-05-16 | 1970-05-16 | Injection syringe |
DE19702031841 DE2031841C (en) | 1970-06-26 | Injection syringe or the like | |
DE19702040789 DE2040789A1 (en) | 1970-05-16 | 1970-08-17 | Disposable syringe - with multicompartment cylinder - for injections and blood sample collection |
CH145371A CH540698A (en) | 1970-05-16 | 1971-02-01 | Injection syringe |
NL7102018A NL7102018A (en) | 1970-05-16 | 1971-02-16 | |
DD153783A DD99308A5 (en) | 1970-05-16 | 1971-03-15 | |
ZA713008A ZA713008B (en) | 1970-05-16 | 1971-05-10 | A syringe with a piston movable in axial direction |
ES1971168953U ES168953Y (en) | 1970-05-16 | 1971-05-14 | A SYRINGE FOR INJECTIONS. |
FR7117743A FR2091684A5 (en) | 1970-05-16 | 1971-05-17 | Disposable syringe - with multicompartment cylinder - for injections and blood sample collection |
AU28910/71A AU2891071A (en) | 1970-05-16 | 1971-05-17 | Syringe |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2024117 | 1970-05-16 | ||
DE19702031841 DE2031841C (en) | 1970-06-26 | Injection syringe or the like | |
DE19702040789 DE2040789A1 (en) | 1970-05-16 | 1970-08-17 | Disposable syringe - with multicompartment cylinder - for injections and blood sample collection |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2031841A1 DE2031841A1 (en) | 1972-06-08 |
DE2031841B2 true DE2031841B2 (en) | 1973-01-04 |
DE2031841C DE2031841C (en) | 1973-07-26 |
Family
ID=
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2733526A1 (en) * | 1976-08-31 | 1978-03-02 | Contraves Ag | DEVICE FOR THE RELEASABLE CONNECTION OF A PISTON TO A PISTON TAPPET |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2733526A1 (en) * | 1976-08-31 | 1978-03-02 | Contraves Ag | DEVICE FOR THE RELEASABLE CONNECTION OF A PISTON TO A PISTON TAPPET |
Also Published As
Publication number | Publication date |
---|---|
FR2091684A5 (en) | 1972-01-14 |
AU2891071A (en) | 1972-11-23 |
DE2040789A1 (en) | 1972-02-24 |
ZA713008B (en) | 1972-01-26 |
ES168953Y (en) | 1973-01-01 |
CH540698A (en) | 1973-08-31 |
DD99308A5 (en) | 1973-08-05 |
DE2031841A1 (en) | 1972-06-08 |
DE2024117B1 (en) | 1971-09-16 |
ES168953U (en) | 1971-11-01 |
NL7102018A (en) | 1971-11-18 |
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Legal Events
Date | Code | Title | Description |
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C3 | Grant after two publication steps (3rd publication) |