Antimicrobial device for use in external fixators

Details Antimicrobial device for use in external fixators Antimicrobial device for use in external fixators

1990-12-05

1994-01-25

Brown, Michael A.

Surgery

Instruments

Orthopedic instrumentation

606 59, A61F 504

Patent

active

052812219

ABSTRACT:
An external fixator is provided with an antimicrobial device that greatly reduces the probability of infection around the fixator pins. The antimicrobial device comprises a sleeve that is pressed with an interference fit over each pin after the pin is installed in the patient. A cuff of Dacron felt surrounds the sleeve and is located within the subcutaneous tissue of the patient. The interference fit between the pin and the sleeve prevents entry of bacteria into the subcutaneous tissue between the sleeve and pin. The Dacron felt promotes ingrowth of scar tissue into the cuff interstices, thereby utilizing the body's natural defenses against infection. The external fixator frame is assembled to the pins after the antimicrobial devices are in place.

REFERENCES:
patent: 2035952 (1936-03-01), Ettinger
patent: 2055024 (1936-09-01), Bittner
patent: 2391693 (1945-12-01), Ettinger
patent: 2398915 (1946-04-01), Bell
patent: 3809074 (1974-05-01), De Moude
patent: 4185624 (1980-01-01), Gentile
patent: 4258708 (1981-03-01), Gentile
patent: 4662365 (1987-05-01), Gotzen
patent: 4856504 (1989-08-01), Yamamoto
patent: 4890631 (1990-01-01), Hardy
patent: 4957495 (1990-09-01), Kluger

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