Storage and mixing device for bone cement with a pressure pump

A mixing device and bone cement technology, applied in mixers with rotating stirring devices, liquid and solid mixing, mixing machines, etc., can solve problems such as complex structures, reduce the risk of failure, and achieve safe operability Effect

Active Publication Date: 2017-12-15
HERAEUS MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is therefore the complex construction and the inability of the contents of the cartridge to be mixed by means of a mixing system to be manip

Method used

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  • Storage and mixing device for bone cement with a pressure pump
  • Storage and mixing device for bone cement with a pressure pump
  • Storage and mixing device for bone cement with a pressure pump

Examples

Experimental program
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Example Embodiment

[0187] Figure 1 to 6 An exemplary embodiment of the first storage and mixing device of the present invention is shown. Here, figure 1 A schematic cross-sectional view showing the first exemplary storage and mixing device of the present invention in an initial state. The storage and mixing device comprises a cartridge 1 having a cylindrical interior in which a plunger 2 is arranged to be linearly movable in the axial direction. On the front side of cartridge 1 ( figure 1 with 3 To 5, at the top), the interior or cartridge 1 is closed by a cartridge head 3 similar to a cap or cap. The cartridge head 3 is sealed against the cartridge 1 by means of a circumferential seal. In the interior of the cartridge 1, the bone cement powder 4 as the first matrix component 4 of PMMA bone cement is located between the plunger 2 and the cartridge head 3.

[0188] The plunger 2 is in air-tight contact with the inner wall of the cartridge 1 by means of a circumferential rubber seal. In this way,...

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PUM

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Abstract

The invention relates to a storage and mixing device for bone cement with a pressure pump, specifically to a storage and mixing device for two-component polymethyl methacrylate bone cements having a cartridge with a cylindrical interior. The invention further relates to a method of using the parental components of the storage and mixing device for bone cement with a pressure pump, specifically to a storage and mixing device for two-component polymethyl methacrylate bone cements.

Description

technical field [0001] The invention relates to a storage and mixing device for a two-component polymethylmethacrylate bone cement, said storage and mixing device having a cartridge with a cylindrical interior. [0002] The present invention also relates to a method of mixing a bone cement, in particular a matrix component of a two-component polymethylmethacrylate bone cement, using such a storage and mixing device. Background technique [0003] Polymethylmethacrylate (PMMA) bone cement dates back to the foundational work of Sir Charnley (Charnley, J.: Anchorage of the femoral head prosthesis of the femoral body). headprosthesis of the shaft of the femur). Bone and Joint Surgery (J. Bone Joint Surg.) 42(1960) 28-30). PMMA bone cement consists of liquid monomer components and powder components. The monomer component usually contains methyl methacrylate monomer and an activator (N,N-dimethyl-p-toluidine) dissolved therein. The powder component (also referred to as bone ceme...

Claims

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Application Information

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IPC IPC(8): A61B17/88B01F3/12B01F7/18B01F15/00B01F15/02B01F23/57
CPCA61B17/8802A61B17/8805A61B17/8833A61B2017/8838B01F23/565B01F23/53B01F27/90B01F35/3202B01F35/712B01F35/7174B01F2101/20B01F2101/2202B01F31/40B01F35/7131B01F35/718B01F35/522B01F23/57B01F27/806B01F27/2122B01F35/187
Inventor S·福格特T·克卢格
Owner HERAEUS MEDICAL
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