Agitating – In vacuum chamber
Patent
1985-10-17
1988-01-26
Nerbun, Peter
Agitating
In vacuum chamber
422225, B01F 1306
Patent
active
047213906
ABSTRACT:
The present invention relates to a method for producing bone cement for fixing protheses, whereby the bone cement is manufactured by mixing various substances with each other to provide a setting mass which in set condition is adapted to fix prostheses at surrounding bone tissue. In order to prevent large amounts of air from being stirring into the mixture, mixing of said various substances occurs under vacuum. The invention also relates to a device for carrying out the method for producing bone cement for fixing prostheses, whereby the bone cement is manufactured by mixing various substances with each other to provide a setting mass which in set condition is adapted to fix protheses at surrounding bone tissue, and whereby the mixture is applied to the bone tissue by means of a feed device (20) from which the mixture (19) may be pressed out. In order to avoid transfer of the mixture from a special mixing container to the feed device, the present device comprises an agitator (8) which is connectable to the feed device (20) and a vacuum source (17) which is connectable to the feed device for mixing said substances in said feed device under vacuum.
REFERENCES:
patent: 3640510 (1972-02-01), Lea
patent: 4185072 (1980-01-01), Puderbaugh et al.
patent: 4277184 (1981-07-01), Solomon
Mit AB
Nerbun Peter
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