Medical instrument for removing tissue, bone cement or the like in the human or animal body
First Claim
1. A medical instrument for removing tissue, bone cement or organic or synthetic materials from a human or animal body, comprising:
- a hand piece having a distal end;
an application part arranged at said distal end of said hand piece, said application part being axially movable to-and-fro relative to said hand piece, said application part having at least in a region of a distal end of said application part a conduit, which has, in a distal region of said conduit, at least one of a suction and an irrigation aperture;
a drive mechanism for said application part, said drive mechanism being provided in said hand piece, said drive mechanism transferring a pressure being continuously present in said hand piece into said to-and-fro movement of said application part; and
a sleeve operable to control the configuration of an air outlet opening so as to adjust at least one of a length of stroke and a frequency of said to-and-fro movement of said application part.
1 Assignment
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Accused Products
Abstract
A medical instrument for treating, in particular for removing tissue, bone cement or the like in the human or animal body, comprising a hand piece having a distal end; an application part arranged at said distal end said hand piece, said application part being axially movable to-and-fro relative to said hand piece; a drive mechanism for said application part, said drive mechanism being provided in said hand piece, said drive mechanism transferring a pressure being continuously present in said hand piece into said to-and-fro movement of said application part, wherein said application part has at least in a region of a distal end of said application part a conduit, which has, in a distal region of said conduit, at least a suction and/or irrigation aperture.
62 Citations
22 Claims
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1. A medical instrument for removing tissue, bone cement or organic or synthetic materials from a human or animal body, comprising:
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a hand piece having a distal end;
an application part arranged at said distal end of said hand piece, said application part being axially movable to-and-fro relative to said hand piece, said application part having at least in a region of a distal end of said application part a conduit, which has, in a distal region of said conduit, at least one of a suction and an irrigation aperture;
a drive mechanism for said application part, said drive mechanism being provided in said hand piece, said drive mechanism transferring a pressure being continuously present in said hand piece into said to-and-fro movement of said application part; and
a sleeve operable to control the configuration of an air outlet opening so as to adjust at least one of a length of stroke and a frequency of said to-and-fro movement of said application part. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification