DE1730777U - INJECTION SYRINGE WITH GLASS CYLINDER. - Google Patents

INJECTION SYRINGE WITH GLASS CYLINDER.

Info

Publication number
DE1730777U
DE1730777U DESCH17912U DESC017912U DE1730777U DE 1730777 U DE1730777 U DE 1730777U DE SCH17912 U DESCH17912 U DE SCH17912U DE SC017912 U DESC017912 U DE SC017912U DE 1730777 U DE1730777 U DE 1730777U
Authority
DE
Germany
Prior art keywords
glass cylinder
syringe
cylinder
nozzle
injection syringe
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
Application number
DESCH17912U
Other languages
German (de)
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.)
K SCHNAUDER FA
Original Assignee
K SCHNAUDER FA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by K SCHNAUDER FA filed Critical K SCHNAUDER FA
Priority to DESCH17912U priority Critical patent/DE1730777U/en
Publication of DE1730777U publication Critical patent/DE1730777U/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—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
    • 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
    • A61M5/3129—Syringe barrels
    • A61M5/3134—Syringe barrels characterised by constructional features of the distal end, i.e. end closest to the tip of the needle cannula
    • 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
    • A61M2005/3103—Leak prevention means for distal end of syringes, i.e. syringe end for mounting a needle
    • A61M2005/3104—Caps for syringes without needle

Description

M 54902*18, M 54902 * 18,

RICHARD SCHULTZ Zur Gebrauehsmusteranmeldung vom 18.JuIi 1956.RICHARD SCHULTZ On the registration for the registered sample of 18 June 1956.

PATENTANWALTPATENT ADVOCATE

BERLIN SW 29BERLIN SW 29

GRAEFESTRASSE 43 FERNRUF: 66 89 45GRAEFESTRASSE 43 TELEPHONE: 66 89 45

Karl Schnauder in Kitzingen/Main.Karl Schnauder in Kitzingen / Main.

Injektionsspritze mit Glaszylinder.Injection syringe with glass cylinder.

Bei den seit Jahrzehnten "bekannten Becordspritzen hat sich durch die neueren Erkenntnisse über Sterilisation Keim- und Pyrogenfreiheit herausgestellt, daß die sogenannten Lötstellen, an denen die Metallansätze durch Lot oder Kitt mit dem Spritzenzylinder verbunden sind, den hohen Temperaturanforderungen meist nicht entsprechen. Ss treten bei den hohen Temperaturen, die bei einer einwandfreien Sterilisation für Keim-und Pyrogenfreiheit gefordert v/erden müssen, Änderungen im Gefüge des Lotes oder Kittes auf, die sich so äußern, daß das Lot oder der Kitt porös wird, so daß in die Poren InJektionslSsung,oder, wenn mit Hen Spritzen Blut angesaugt wurde, sogar Blut eintritt· Duron keine Art der Heinigung sind die eingedrungenen Lösungen oder Blutteilchen zu entfernen. Sie bilden somit einen Keimherd, zum mindesten aber einen Pyrogenherd.With the Becord syringes, which have been known for decades, recent findings on sterilization have shown that they are sterile and pyrogen-free, and that the so-called soldering points at which the metal attachments are connected to the syringe barrel by solder or putty usually do not meet the high temperature requirements the high temperatures, which must be required for sterile and pyrogen-free sterilization, changes in the structure of the solder or putty, which manifest themselves in such a way that the solder or the putty becomes porous, so that injection solution into the pores, or, if blood was sucked in with Hen syringes, blood even enters · Duron does not have a way of removing the solutions or blood particles that have penetrated.

Die Erfindung hat sich zur Aufgabe gemacht, diesen Mangel zu beseitigen. Anstelle des Lotes oder Kittes wird hier ein King aus einer Kautschuk- oder Kunststoff- bzw. Plastic-Verbindung eingesetzt, so daß zwischen MetallkernThe invention has set itself the task of eliminating this deficiency. Instead of solder or putty here a king made of a rubber or plastic or Plastic connection used so that between metal core

Claims (2)

und Glaszylinder ein porenfreier Abschluß erzielt wird. Es ist dann gleichgültig, ob die äußere Lötung oder Kittung, die bisher für die Dichtheit der Spritze entscheidend war, dicht ist oder nicht. Die Neuerung ist auf der Zeichnung in einem Ausführungsbeispiel in übertriebenem Maßstab in Ansicht, zum Teil im Längsschnitt dargestellt. Die Spritze besteht in üblicher Weise aus dem Glaszylinder a, in dessen unterer Verschlußbüchse af sich die Kolbenstange d1 des Kolbens d führt, der selbst im Zylinder a gleitet. Das Spritzenaundstück b greift mit einer Buchse b1 in den Glaszylinder a und ist mit diesem durch einen Hing c aus Kautschuk, geeignetem Kunststoff o.dgl. dicht verbunden, so daß eine unabsichtliche Lösung nicht eintreten kann. Das läundstück b übergreift den Zylinderrand in üblicher Weise kappenförmig. Der etwaige Spielraum kann noch durch eine bei derartigen Spritzen übliche Kittung oder Lötung f zusätzlich abgedichtet sein. Die Düse b" selbst kann beliebige Gestaltung bzw. Länge aufweisen. Schutzansprüche:and glass cylinder a pore-free seal is achieved. It is then irrelevant whether the external soldering or cement, which was previously decisive for the tightness of the syringe, is tight or not. The innovation is shown on the drawing in an embodiment in an exaggerated scale in view, partly in longitudinal section. The syringe consists in the usual way of the glass cylinder a, in whose lower locking sleeve af the piston rod d1 of the piston d is guided, which itself slides in the cylinder a. The syringe nozzle b engages with a socket b1 in the glass cylinder a and is connected to this by a hinge c made of rubber, suitable plastic or the like. tightly connected so that an unintentional release cannot occur. The läundstück b overlaps the cylinder edge in the usual way in a cap-shaped manner. Any clearance can be additionally sealed by cementing or soldering f, which is customary in such syringes. The nozzle b ″ itself can have any design or length. 1. Injektionsapritze mit Glaszylinder, dadurch gekennzeichnet, daß die Spritzendüse (b) durch einen Hing (c) aus Kunststoff o.dgl. in dem Glaszylinder (a) dicht eingepreßt ist.1. Injection syringe with glass cylinder, characterized in that that the syringe nozzle (b) by a Hing (c) made of plastic or the like. pressed tightly in the glass cylinder (a) is. 2. Injektionsspritze nach Anspruch 1, dadurch gekennzeichnet, daß die übliche Kitt- oder Lötverbindung (f) zusätzlich verwendet ist.2. Injection syringe according to claim 1, characterized in that the usual cement or solder connection (f) additionally is used.
DESCH17912U 1956-07-18 1956-07-18 INJECTION SYRINGE WITH GLASS CYLINDER. Expired DE1730777U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DESCH17912U DE1730777U (en) 1956-07-18 1956-07-18 INJECTION SYRINGE WITH GLASS CYLINDER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH17912U DE1730777U (en) 1956-07-18 1956-07-18 INJECTION SYRINGE WITH GLASS CYLINDER.

Publications (1)

Publication Number Publication Date
DE1730777U true DE1730777U (en) 1956-09-27

Family

ID=32692986

Family Applications (1)

Application Number Title Priority Date Filing Date
DESCH17912U Expired DE1730777U (en) 1956-07-18 1956-07-18 INJECTION SYRINGE WITH GLASS CYLINDER.

Country Status (1)

Country Link
DE (1) DE1730777U (en)

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