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Relay type bone moving device based on gear power and use method of device

A technology of power and gears, applied in the field of relay-type bone transfer devices based on gear power, can solve the problem of high price and achieve the effect of preventing complications of joint stiffness

Pending Publication Date: 2020-06-19
海城市正骨医院
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0008] The present invention aims at the problems of complications and high price in the bone moving device in the prior art, and proposes a relay-type bone moving device based on gear power with simple structure, low cost and no complications and its use method

Method used

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  • Relay type bone moving device based on gear power and use method of device
  • Relay type bone moving device based on gear power and use method of device
  • Relay type bone moving device based on gear power and use method of device

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Embodiment Construction

[0045] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the present invention will be further described below with reference to the accompanying drawings and in conjunction with specific embodiments, so that those skilled in the art can implement it with reference to the description. The scope of protection is not limited to this specific embodiment. Apparently, the embodiments described below are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] a kind of like figure 1 The relay-type bone transport device based on gear power shown includes an internal fixation bridging plate 1 , a sliding block 2 , two sets of external rotation shaft combiners and eight screws 7 .

[0047] Such as figur...

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Abstract

The invention discloses a relay-type bone moving device based on gear power and a use method of the device, and belongs to the technical field of orthopedic medical instruments. The relay-type bone moving device includes an internal fixed bridge plate, a sliding block, a plurality of sets of in-vitro rotating shaft combiners and a plurality of screws; and when a bone is moved, a moving sleeve is rotated to drive the sliding block, the movement of the sliding block drives a truncated free bone block to move, so that the spacing of a bone defect area becomes smaller, and the moving distance datais read through a scale line on a power shaft core. The device can effectively combine the internal fixed bridge steel plate with the in-vitro rotating shaft combiners with gears, according to the bone defect length, a relay-type extension manner is used to make the sliding block carrying the truncated bone block stably slide on a sliding groove in the internal fixed bridge plate, the bone blockis pulled on the premise of ensuring a force line, so that a simple, safe, effective and reliable bone moving technology can be realized.

Description

technical field [0001] The invention belongs to the technical field of orthopedic medical instruments, and in particular relates to a gear power-based relay type bone moving device and a method of use. Background technique [0002] In 1950, Russian scholar Ilizarov advocated the use of external fixator combined with bone transfer and distraction osteogenesis to treat bone defects. Numerous studies have found that the Ilizarov bone transfer technique can effectively correct angular deformities of the lower extremities, unequal limb lengths, and treat fracture nonunions and bone defects. [0003] Comminuted fractures, open fractures with large bone defects caused by pathological factors such as trauma, inflammation, and bone disease, defects caused by large-segment osteonecrosis caused by infection, and limb unequal lengths are all caused by diseases of bone defects. In addition, bone transfer technology is widely used in the augmentation surgery of orthopedic medicine in cl...

Claims

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Application Information

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IPC IPC(8): A61B17/66A61B17/80
CPCA61B17/66A61B17/8004
Inventor 李鑫苏继承苏纪权
Owner 海城市正骨医院
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