Prosthesis
OwnerFranz Copfinventor
Life of this patent
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Abstract
A prosthesis which is to be incorporated with the aid of cement has a support plate (24), which projects beyond a shaft (32) on all sides. Constructed in the shaft is an axial supply duct (36) for cement and a suction aperture (56) is provided in a projecting lateral section (28) of the support plate (24). The distal boundary surface of the support plate (24) supports a plastically deformable sealing frame (52). In this manner, the space between the corticalis internal surface and the shaft external surface is closed in a sealing-tight manner and can be evacuated by a suction pump (64). As a result, the intermediate space between the corticalis and the shaft can be filled with cement in an inclusion-free manner.
Claims18
A prosthesis with an elongated shaft, which can be introduced into a cavity cleared in an end section of a tubular bone and comprises a supply duct arrangement, which comprises at least one outlet aperture opening onto at least one of the curved outer surface and the end face of the shaft, and a supply aperture opening onto a support plate, the support plate projecting at least in a partial region of its peripheral section beyond the shaft, wherein a suction aperture penetrating the support plate is provided in the projecting region of the peripheral section and the distal boundary surface of the support plate supports a circumferential sealing element.
Dependencies are inferred from the claim text.