Plug for the intramedallary canal of a bone and method

Details Plug for the intramedallary canal of a bone and method Plug for the intramedallary canal of a bone and method

1979-04-27

1981-12-01

Crowder, Clifford D.

Surgery

Truss

Pad

128 92C, A61F 100, A61F 124

Patent

active

043028551

ABSTRACT:
A bone plug is disclosed for plugging the intramedullary canal of a bone to restrict the flow of cement used to affix a prosthesis. The bone plug includes a resilient body of medical grade material. The body has a smooth, blunt, rounded nose, a midportion joined to the nose and having a toroidal shape and an upper, open ended portion joined to the midportion and defining a recess. The upper, open ended portion is generally frusto-conical in shape and further defines a plurality of circumferentially spaced petal-like elements.

REFERENCES:
patent: 3008203 (1961-11-01), Dagenhard
patent: 3058225 (1962-10-01), Ward
patent: 3200984 (1965-08-01), Fueslein et al.
patent: 3358869 (1967-12-01), Palmer et al.
patent: 3738355 (1973-06-01), Salvatore
patent: 3740779 (1973-06-01), Rubricuis
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patent: 3848272 (1974-11-01), Noiles
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patent: 3943914 (1976-03-01), Grenfell et al.
patent: 4012796 (1977-03-01), Weisman et al.
patent: 4016867 (1977-04-01), King et al.
patent: 4065817 (1978-01-01), Branemark et al.
patent: 4245359 (1981-01-01), Stuhmer
"Silastic Brand Intramedullary Implant (Swanson Design)"--Pamphlet by Dow Corning Corp., Medical Products Division, Midland, Mich., Jan. 1969, pp. 1-9.
"Muller Type Total Hip Prosthesis In Zimaloy", (Catalog), Cement Restrictor 4043-20; Sep. 1974.

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