Device for injecting bone cement

Details Device for injecting bone cement Device for injecting bone cement

2006-02-14

2006-02-14

Robert, Eduardo C. (Department: 3731)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

06997930

ABSTRACT:
In a device for injecting bone cement, the discharge direction of the bone cement after insertion of the cannula should be controllable in a certain region. This is made possible through a radial exit aperture which is provided on the front end of the cannula. Since the cannula is inserted with the aid of a guide wire, it has an orifice on its front end, which orifice must be closed off by means of a ball prior to the injection. A plunger serves to insert the ball. So that the situation of the radial aperture is known at all times, even with inserted cannula, the handle of the cannula has an asymmetrical shape.

REFERENCES:
patent: 4595006 (1986-06-01), Burke
patent: 4969888 (1990-11-01), Scholten
patent: 5080655 (1992-01-01), Haaga
patent: 5360416 (1994-11-01), Ausherman et al.
patent: 5487392 (1996-01-01), Haaga
patent: 5775333 (1998-07-01), Burbank
patent: 9949819 (1999-10-01), None

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