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Mixing device for prepack vacuum cementing system, vacuum cementing system and method

A mixing device and cement technology, applied in the direction of mixers with rotary stirring devices, chemical instruments and methods, mixers, etc., to achieve the effects of not easy to break down, simple mode of action, and simple cost

Active Publication Date: 2013-06-12
HERAEUS MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage here is that the rotary lock has to be removed or lifted in order to open the vacuum cementing system and thus enable a gas flow for sterilizing the interior of the vacuum cementing system

Method used

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  • Mixing device for prepack vacuum cementing system, vacuum cementing system and method
  • Mixing device for prepack vacuum cementing system, vacuum cementing system and method
  • Mixing device for prepack vacuum cementing system, vacuum cementing system and method

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Embodiment Construction

[0060] FIG. 1 shows a schematically illustrated cross-sectional illustration of a mixing device according to the invention. The mixing device ( 1 ) comprises a cartridge ( 2 ) with a cartridge head ( 4 ), which is connected to the cartridge body by fastening means ( 6 ) in the form of threads. The cartridge ( 2 ) is locked on the underside by a delivery piston ( 6 ), which is arranged movably in the direction of the cartridge head ( 4 ). A rotatably supported locking mechanism (8) is arranged under the cartridge head (4), and a fine-pore filter (10) is arranged between the cartridge head (4) and the cartridge (2) under the locking mechanism. between the interior. The fine-pore filter ( 10 ) is used so that the powder stored in the interior of the cartridge ( 2 ) cannot penetrate to the locking mechanism ( 8 ), while the gas can easily pass through the fine-pore filter ( 10 ).

[0061] The locking mechanism ( 8 ) comprises two handles ( 12 ), which extend through two ventilat...

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Abstract

The invention relates to a mixing device (1) for mixing a mixable material, in particular a medical cement, said device comprising at least one cartridge (2) and a closure piece (8), wherein the at least one cartridge contains a first component of the mixable material and comprises a cartridge head (4) in which at least one air opening is arranged, and the closure piece (8) is arranged on the cartridge head (4) in such a way that the at least one air opening in the cartridge head (4) can be closed and opened by the closure piece (8), wherein the closure piece (8) is mounted so as to be rotatable or slideable relative to the cartridge head (4), and a connection (26) extends through the cartridge head (4) or a cartridge wall into the interior of the cartridge (2) and connects the interior of the cartridge (2) to a container (30) for a second component of the mixable material. The invention further relates to a vacuum cementing system comprising such a mixing device (1), and to a method for mixing a mixable material using such a mixing device (1) or such a vacuum cementing system.

Description

technical field [0001] The invention relates to a mixing device for mixing compound materials, in particular medical cement, said mixing device comprising at least one cartridge and a locking mechanism, wherein said at least one cartridge contains a first set of said compound materials portion and includes a cartridge head in which at least one vent opening is arranged and the locking mechanism is arranged on the cartridge head so that the at least one vent in the cartridge head The opening can be locked and opened by the locking mechanism [0002] The invention also relates to a vacuum cementing system with such a mixing device and a method for using such a mixing device or such a vacuum cementing system. [0003] Here the invention proposes a device for mixing cement from monomers and cement powder. Background technique [0004] Polymethylmethacrylate-bone cement (PMMA-bone cement) has been known for decades and derives from the fundamental work of Sir Charnley (Charnley...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/88B01F7/00B01F15/00B01F15/02B01F13/00
CPCA61B17/8822A61B17/8827B01F27/2124B01F27/2122B01F27/80B01F33/501B01F35/146B01F35/3202B01F35/4521B01F35/187B01F35/75425A61B17/88B29B7/10
Inventor S.福格特H.比希纳
Owner HERAEUS MEDICAL
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