Apparatus For Treating Bone
First Claim
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1. An apparatus for treating a bone that provides a path from a skin to a bone, comprising:
- a cannula (300) which comprises a pipe (330) and a handle (311) connected to an end of the pipe (330) and having a receiving groove (312); and
an expander (400) which comprises an expanding pipe (430) being able to be inserted into the pipe (330) of the cannula (300) and a head (421) connected to an end of the expanding pipe (430) and configured to be received in the receiving groove (312) through a coupling means.
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Abstract
An apparatus for treating a bone, which provides a path from the skin to a bone, is provided which comprises a cannula with an improved coupling structure, an expander, a needle, and a spacer. With the apparatus, operation time can be reduced. The cannula and the expander can be easily combined together or separated from each other. Further, the needle can be easily removed from the bone. In addition, an insertion space for a cavity-forming instrument, such as a balloon catheter, can be easily obtained inside the bone.
192 Citations
24 Claims
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1. An apparatus for treating a bone that provides a path from a skin to a bone, comprising:
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a cannula (300) which comprises a pipe (330) and a handle (311) connected to an end of the pipe (330) and having a receiving groove (312); and an expander (400) which comprises an expanding pipe (430) being able to be inserted into the pipe (330) of the cannula (300) and a head (421) connected to an end of the expanding pipe (430) and configured to be received in the receiving groove (312) through a coupling means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification