Title:
穿孔器具ガイド装置及び穿孔装置
Document Type and Number:
Japanese Patent JP4231540
Kind Code:
B1
Abstract:
A boring instrument guiding device which is used to guide a boring instrument that forms a pilot hole for embedding a pedicle screw in a vertebral pedicle includes a reference pin 3 which is used as a reference by being inserted into the vertebral arch from the rear to the front of a spine, and an arm 4 which extends sideward from the proximal end side of the reference pin 3, and is characterized in that a plurality of guide holes 12, each of which is opened toward the tip position 3a of the reference pin 3 to guide the boring instrument 2, are formed in the arm 4 in a radial pattern centered at the tip position 3a of the reference pin 3. It is possible to provide a boring instrument guiding device which is capable of more easily and precisely guiding the boring instrument.
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Inventors:
Kota Suda
Application Number:
JP2008112087A
Publication Date:
March 04, 2009
Filing Date:
April 23, 2008
Export Citation:
Assignee:
Kota Suda
International Classes:
A61B17/16; A61B17/56
Domestic Patent References:
| JP11290337A | ||||
| JP3505985A | ||||
| JP2142559A | ||||
| JP9504213A | ||||
| JP2001525210A |
Attorney, Agent or Firm:
Yasushi Oshima
Shuzo Hinode
Seiji Goto
Junko Ohara
Shuzo Hinode
Seiji Goto
Junko Ohara