Instrument
First Claim
1. An instrument for shaping a mouth part of a drilled tunnel provided in a bone, the instrument comprising a shaft having a longitudinal axis and a first and a second end and being hollow along its entire length, the first end of the shaft being provided with a projection, which includes two blades that are immobile with respect to the shaft for shaping the mouth part of the drilled tunnel when the instrument is turned around the longitudinal axis of the shaft, all of the blades on the projection being positioned on one side of a plane that divides the shaft into two halves, wherein the instrument is asymmetric at an intersecting surface perpendicular to the longitudinal axis and intersecting with the blade, and wherein the instrument shapes the surfaces surrounding the first end only substantially within an area corresponding with a turning angle of such a turning movement.
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Accused Products
Abstract
An instrument for shaping a mouth part of a drilled tunnel provided in a bone. The instrument includes a shaft having a longitudinal axis and a first and a second end. The first end of the shaft is provided with a projection, which includes a blade for shaping the mouth part of the drilled tunnel when the instrument is turned around the longitudinal axis of the shaft. The instrument is asymmetric at an intersecting surface perpendicular to the longitudinal axis and intersecting with the blade, the instrument thus shaping the surfaces surrounding the first end only substantially within an area corresponding with a turning angle of such a turning movement.
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Citations
11 Claims
- 1. An instrument for shaping a mouth part of a drilled tunnel provided in a bone, the instrument comprising a shaft having a longitudinal axis and a first and a second end and being hollow along its entire length, the first end of the shaft being provided with a projection, which includes two blades that are immobile with respect to the shaft for shaping the mouth part of the drilled tunnel when the instrument is turned around the longitudinal axis of the shaft, all of the blades on the projection being positioned on one side of a plane that divides the shaft into two halves, wherein the instrument is asymmetric at an intersecting surface perpendicular to the longitudinal axis and intersecting with the blade, and wherein the instrument shapes the surfaces surrounding the first end only substantially within an area corresponding with a turning angle of such a turning movement.
Specification