Paste application device for the mixing of a paste from two components
A technology of applying device and paste, which is applied in the direction of device, emulsification, coating, etc. to apply liquid to the surface, so as to achieve the effect of good sealing, firmness and tight connection
Inactive Publication Date: 2016-08-03
HERAEUS MEDICAL
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- Abstract
- Description
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- Application Information
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Problems solved by technology
This problem may be more pronounced at higher gas pressures
Method used
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[0142] Figure 1 to Figure 6 Different views of a compressed gas driven paste applicator according to the invention and / or parts thereof are shown. The paste applicator is designed in the manner of a pistol and can be held in one hand and operated with the other. A hollow cylinder 1 made of plastic material and a two-component cartridge 2 arranged adjacent to said hollow cylinder 1 are located on the inner side of the paste applicator. The hollow cylinder 1 is surrounded by a first part 3 of the pressure vessel and the two-component cartridge 2 is surrounded by a second part 4 of the pressure vessel. The two parts 3, 4 of the pressure vessel consist of a metallic material, such as aluminum alloy, zinc or steel, and are materially joined circumferentially by means of a two-part union nut 6 on a circumferential outward-facing seam. way to connect to each other. The outer walls of the hollow cylinder 1 and the two-component cartridge 2 are in contact with their surfaces agains...
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Abstract
The invention relates to a paste application device for the mixing of a paste from two components, particularly to a paste application device for storage of two starting components, for mixing the starting components to form a paste, and for the application of the paste. The paste application device comprises a two-component cartridge comprising two cylindrical internal spaces, two feed plungers that can be shifted axially in the internal spaces and limit the internal spaces on a first side of the two-component cartridge, and at least two dispensing openings by means of which the internal spaces are open on a second side of the two-component cartridge, a hollow cylinder that has one front face that is open and one front face that is partially closed, in which is situated a plunger and which has two pestles, whereby the two-component cartridge and the hollow cylinder are arranged in a pressure vessel. The hollow cylinder comprises a connector for a compressed gas cartridge that extends through an opening in the pressure vessel, and whereby a manually operable valve element is attached downstream from dispensing openings or a dispensing tube having a manually operable valve element can be attached downstream from the dispensing openings, whereby the valve element can be used to regulate the volume flow of the starting components through the dispensing openings. The invention further relates to a method for mixing and dispensing the paste.
Description
technical field [0001] The present invention relates to a paste applicator for storing two starting components, for mixing said starting components to form a paste, and for applying said paste material. [0002] The invention also relates to a method for mixing and dispensing pastes. [0003] It is therefore the object of the present invention to devise a manually operable paste applicator for dispensing pasty substances, in particular pasty polymethylmethacrylate cement dough (PMMA cement dough). The paste applicator and the method are also intended for storing, mixing and dispensing pasty two-component systems. Background technique [0004] Conventional polymethylmethacrylate bone cements (PMMA bone cements) are usually made from powdery components and liquid monomer components (K.-D. Kühn: Knochenzementefürdie Endoprothetik: einaktueller Vergleichder 15 physikalischen undchemischen Eigenschaftenhandelsüblicher PMMA-Zemente. Springer-Verlag Berlin Heidelberg New York, 20...
Claims
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IPC IPC(8): A61B17/88B01F23/47
CPCA61B17/8802B05C17/00513B05C17/00503B05C17/00559B05C17/015B05C17/00576A61B17/8816A61B2017/8838A61B17/8822B05C17/00553B05C17/0146
Inventor S.福格特
Owner HERAEUS MEDICAL