Transdermal guiding bone reaming tool device and method
A technology of reaming tools and joints, applied in medical science, surgery, etc., can solve the problems of easy stabbing of other tissues, error-prone, collapse and damage of surrounding bone tissue, etc.
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[0032] In FIG. 1 , a percutaneous guided bone reaming tool device 10 of the present invention includes a blunt guide pin 20 , a guide screw tube 30 , and a handle 40 . One end of the blunt guide pin 20 is a blunt spherical end 21, the center of the guide screw tube 30 has a through hole 31, and one end forms a flat taper 32, and the outer surface of the tube body is formed from the flat taper 32 to the other end. There is a thin thread section 33, and the other end is provided with a force applying portion 34. The handle 40 is provided with a seat 41, which can be movably connected with the force applying portion 34 of the guide screw tube 30. The seat 41 There is a through hole 42 , the blunt guide pin 20 can move through the through hole 42 , and pass through the flat head cone portion 32 along the through hole 31 of the guide screw tube 30 .
[0033] In Fig. 2, when the present invention is applied in actual operation, for a damaged skeletal tissue, such as on a vertebral j...
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