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Device And Method For Mixing And Storing Polymethyl Methacrylate Bone Cement With Pressure Pump And Ampoule Breaker

A technology of polymethyl methacrylate and bone cement, applied in the field of monomer liquid and cement powder device, mixed bone cement, mixed polymethyl methacrylate bone cement, can solve the problems of complex structure and the like

Active Publication Date: 2017-10-20
HERAEUS MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this concept is, therefore, that the construction is complex and that the contents of the cartridge cannot be mixed by means of an externally operated mixing system after the monomer liquid has been sucked in, since the guide holes for the mixing rods or mixing tubes cannot be easily made to last ground vacuum airtight

Method used

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  • Device And Method For Mixing And Storing Polymethyl Methacrylate Bone Cement With Pressure Pump And Ampoule Breaker
  • Device And Method For Mixing And Storing Polymethyl Methacrylate Bone Cement With Pressure Pump And Ampoule Breaker
  • Device And Method For Mixing And Storing Polymethyl Methacrylate Bone Cement With Pressure Pump And Ampoule Breaker

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Embodiment Construction

[0174] Figures 1 to 6 A device according to the invention for mixing polymethylmethacrylate bone cement and for storing the parent components of said bone cement, in particular monomer liquid and cement powder, is shown in different views The first exemplary embodiment of . The device is suitable for carrying out the method according to the invention.

[0175] The device comprises a hollow cylinder 1 in which a pump plunger 2, cylindrical in some regions, is arranged so as to be axially displaceable. An opening device 3 in the form of a short lever 3 is mounted at the outer side wall of the hollow cylinder 1 so as to be pivotable about an axis perpendicular to the axial direction of movement of the pump plunger 2 . A recess in the form of a window is located in the cylinder housing of the hollow cylinder 1 in the region of the joystick 3, through which window the joystick 3 is in the initial position ( Figures 1 to 3 ) extends into the interior of the hollow cylinder 1 . ...

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Abstract

The application relates to a device and method for mixing and storing a polymethyl methacrylate bone cement with a pressure pump and an ampoule breaker, in particular to a device for mixing the polymethyl methacrylate bone cement and storing a monomer liquid and the cement powder which are used as the mother generation components of the bone cement. The present invention further relates to a method for mixing the bone cement, in particular the polymethyl methacrylate bone cement.

Description

technical field [0001] The invention relates to a device for mixing polymethylmethacrylate bone cement and for storing the parent components of said bone cement. More precisely, the present invention relates to a device for mixing polymethylmethacrylate bone cement and for storing monomer liquid and cement powder as parent components of said bone cement. [0002] The invention further relates to a method for mixing bone cement, in particular polymethylmethacrylate bone cement. Background technique [0003] Polymethylmethacrylate (PMMA) bone cement dates back to the foundational work of Mr. Charnley (Charnley, J.: Anchorage of the femoral headprosthesis of the shaft of the femur, J. Bone Joint Surg, 42(1960) 28-30). PMMA bone cement consists of liquid monomer components and powder components. The monomer component generally contains methyl methacrylate monomer and an activator (N,N-dimethyl-p-toluidine) dissolved therein. The powder component, also known as bone cement po...

Claims

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Application Information

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IPC IPC(8): A61B17/88B01F27/906
CPCA61B17/8816A61B17/8822A61B2017/8838B01F31/441B01F33/5014B01F35/7131B01F35/7174B01F35/718B01F35/75425B01F2101/20B01F27/806B01F23/53B01F27/906B01F35/187B01F35/522B01F35/754251A61B17/8833
Inventor S·福格特T·克卢格
Owner HERAEUS MEDICAL
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