US 6,267,594 B1 · Medical or dental-medical instrument for material-removing working of body tissue and tool for such an instrument

Abstract

The invention relates to a medical or dental-medical instrument (1) for the material-removing working of body tissue or a substitute material, having an elongate handpiece (2), a holding device (4) arranged in the forward end region of the handpiece (2), and a tool (5) having a tool shaft (5a) and a tool body (5b) connected therewith, which is releasably connected with the handpiece (2) by means of the holding device (4), there being arranged in the handpiece (2) a vibration drive (6) for the tool (5), which transfers to the tool (5) high frequency oscillating movements, back and forth in at least one plane or orbital or three-dimensional, the tool body (5b) having an abrasive working surface (5c), the tool body (5b) being formed by means of a lamina (B), and the working surface (5c) being arranged at a narrow edge (21) of the lamina (B).

Claims19

Dependent claims

Medical or dental instrument for the material-removal working of body tissue or a substitute material, said instrument comprising:

a handpiece which contains a vibrator;
a shaft connected to be vibrated by said vibrator, said shaft having an end which extends out from said handpiece;
and
a tool connected to be vibrated in a given direction by said shaft, said tool being formed as a lamina having smooth extensive side surfaces separated by a narrow abrasive working surface which extends along a line, the direction of said line being independent of said given direction of vibration.

1 more element

Dependencies are inferred from the claim text.

Medical or dental-medical instrument for material-removing working of body tissue and tool for such an instrument

Life of this patent

Medical or dental-medical instrument for material-removing working of body tissue and tool for such an instrument

Life of this patent

Abstract

Claims19