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Bone drilling device for orthopedic surgery based on vibration drilling

A technology of orthopedic surgery and bone drilling, which is applied in surgery, medical science, etc., can solve the problems of bone gangrene, osteomyelitis, affect the effect of surgery, and affect postoperative recovery, and achieve the effect of improving drilling accuracy

Active Publication Date: 2014-03-26
JIANGSU JIUXIN MEDICAL TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thermal injury can lead to bone gangrene and even osteomyelitis, which will not only affect postoperative recovery but also directly affect the effect of surgery

Method used

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  • Bone drilling device for orthopedic surgery based on vibration drilling
  • Bone drilling device for orthopedic surgery based on vibration drilling

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0019] See figure 1 , The bone drilling device for orthopedic surgery based on vibration drilling in this embodiment includes a base plate 1, a linear guide rail 2, a slider 3, an upper plate 4, a piezoelectric actuator 5, a coupling 6, a DC motor 7, and a motor mount 8 and drive control mechanism.

[0020] The linear guide rail 2 is fixed on the base plate 1. The slide block 3 is slidingly connected with the linear guide rail 2. The rear part of the upper board 4 is provided with a vertical board 41 . The tail of the piezoelectric actuator 5 is fixed on the vertical plate 41 of the upper plate 4 . The output end of the piezoelectric actuator 5 is connected to a DC motor 7 through a coupling 6 . The DC motor 7 is fixed on the front portion of the upper plate 4 by a motor mount 8 . A U-shaped groove is arranged in the motor mounting seat 8 , and the DC motor 7 is installed in the U-shaped groove of the motor mounting seat 8 . The U-shaped groove of the motor mounting base...

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Abstract

The invention discloses a bone drilling device for the orthopedic surgery based on vibration drilling. The bone drilling device comprises a bottom plate, a linear guide rail, a sliding block, an upper plate, a piezoelectricity actuator, a coupler, a direct current motor, a motor installing base and a drive control mechanism. The linear guide rail is fixed on the bottom plate. The sliding block is connected with the linear guide rail in a sliding mode. A vertical plate is arranged on the tail of the upper plate. The tail of the piezoelectricity actuator is fixed on the vertical plate of the upper plate. The output end of the piezoelectricity actuator is connected with the direct current motor through the coupler. The direct current motor is fixed on the front portion of the upper plate through a motor installing base. The drive control mechanism drives the piezoelectricity actuator and the direct current motor to work. The vibration drilling technology is applied to the bone drilling device for the orthopedic surgery, heat produced by the friction between a cutter and a workpiece in the process of cutting, the heat produced by the fracture and deformation of the workpiece due to cutting can be effectively reduced, and the drilling precision is effectively improved due to the rigidity effect, caused by vibration drilling, of a drill bit.

Description

technical field [0001] The invention relates to a bone drilling device for orthopedic surgery based on vibration drilling. Background technique [0002] With the continuous promotion and deepening of the minimally invasive concept in orthopedic surgery, it has become an important direction for the future development of orthopedic surgery to minimize the damage to patients caused by surgical operations on the premise of ensuring the surgical effect. As one of the most basic and common surgical operations in orthopedic surgery, the cutting heat generated during drilling can cause irreversible damage to bones. Thermal injury can lead to bone gangrene and even osteomyelitis, which will not only affect postoperative recovery but also directly affect the effect of surgery. [0003] Vibration drilling is a new drilling method that adds axial high-frequency vibration to the drill bit. The pulse action brought by the additional vibration can effectively improve the drilling effect ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/16
CPCA61B17/16A61B17/1626
Inventor 樊瑜波王豫刘文勇乔惠婷房志刚蒋伟
Owner JIANGSU JIUXIN MEDICAL TECHNOLOGY CO LTD
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