Bone biopsy apparatus

Details Bone biopsy apparatus Bone biopsy apparatus

1987-09-09

1989-01-17

Coven, Edward M.

Surgery

Truss

Pad

128310, 604264, 408204, 408703, 30174, 30278, 30301, A61B 1000

Patent

active

047982136

ABSTRACT:
Apparatus for obtaining a bone biopsy comprising a trocar which includes a guide tube with gripping teeth at one end and a tubular drill which is insertable through the tube. The drill has cutting teeth at its forward end and comprises an outer retaining sheath and an inner retaining sheath which is slidable axially within the outer retaining sheath. The inner retaining sheath consists of two separable longitudinal halves which separate when the inner retaining sheath is removed from the outer retaining sheath by means of an elongated extractor.

REFERENCES:
patent: 3628524 (1971-12-01), Jamshidi
patent: 4142517 (1979-03-01), Stavropoulos et al.
patent: 4461305 (1984-07-01), Cibley

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