Sealing device for the medullary cavity

Details Sealing device for the medullary cavity Sealing device for the medullary cavity

1994-06-13

1996-04-16

Rimell, Sam

Surgery

Instruments

Orthopedic instrumentation

606 92, A61F 100

Patent

active

055077498

ABSTRACT:
The invention relates to a device for sealing the medullary cavity of a bone during the application of bone cement. The device comprises an elastic bottom portion (10) for positive contact with the bone around the medullary cavity and a rigid top portion (30). When the bone cement cartridge (40) is pushed down, the rigid top portion (30) presses the bottom portion (10) against the bone, and the medullary cavity is sealed in a vacuum-tight manner. The device according to the invention makes it easier to fill the medullary cavity with bone cement under vacuum and to carry out drainage at the same time. (FIG. 1).

REFERENCES:
patent: 1971284 (1934-08-01), Stockman
patent: 4205767 (1980-06-01), Shackelford
patent: 4274163 (1981-06-01), Malcom et al.
patent: 4338925 (1982-07-01), Miller
patent: 4593685 (1986-06-01), McKay et al.
patent: 4595006 (1986-06-01), Burke et al.
patent: 4671263 (1987-06-01), Draenert
patent: 4815454 (1989-03-01), Dozier, Jr.
patent: 4896662 (1990-01-01), Noble
patent: 4966601 (1990-10-01), Draenert
The Use Of Methylmathacrylate As An Adjunct In Internal Fixation, Harrington et al., Dated Dec. 1972.

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