Drilling a curved hole

Details Drilling a curved hole Drilling a curved hole

1983-01-17

1985-09-17

Mancene, Gene

Surgery

Truss

Perineal

128 92EB, 1283051, A61F 504

Patent

active

045414238

ABSTRACT:
Drilling apparatus for attachment to a rotary motor includes a flexible shaft confined in an elongated tubular sheath. The sheath is formed from a semi-rigid material which is bendable to a desired curvature, at the use site to select the curvature of the drilled hole, and which is rigid enough to retain that curvature in use. A drilling bit is fixed to one end of the flexible shaft, and includes a shank coacting with the distal end of the sheath to rotationally guide the drilling bit. The flexible shaft projects from the sheath at the proximal end so that both components may be secured to a drilling motor which is manipulated to guide the sheath while rotating the cutting bit. The sheath may remain in the drilled hole temporarily as a liner to guide the passage therethrough of a relatively stiff wire or other filamentary member.

REFERENCES:
patent: 4265231 (1981-05-01), Scheller, Jr. et al.
patent: 4312337 (1982-01-01), Donohue

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