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Double-nail-hook metaphysis pressurizing fixing device

A fixator and metaphyseal technology, which is applied in the field of double-hook metaphysis compression fixator, can solve the problems of stress concentration, difficulty in fracture reduction, unstable fixation of distal fracture fragments, etc., and achieves low cost and less material used. , the effect of easy removal

Inactive Publication Date: 2015-08-12
熊静 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When interlocking intramedullary nails are used to fix metaphyseal fractures, there are many problems in the operation, including the difficulty of fracture reduction, the stress concentration caused by the distal locking nail being too close to the fracture end, the unstable fixation of the distal fragments, and the possibility of complex complications. Intra-articular fracture requiring open reduction

Method used

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  • Double-nail-hook metaphysis pressurizing fixing device
  • Double-nail-hook metaphysis pressurizing fixing device
  • Double-nail-hook metaphysis pressurizing fixing device

Examples

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Embodiment 1

[0027] Such as figure 1 As shown, a double nail hook metaphyseal pressure fixer, the pressure fixer includes a first fixation part 1 and a second fixation part 3 and is used to connect the first fixation part 1 and the second fixation part 3 connection part 2;

[0028] The first fixing part 1 is two strips 4, the strips 4 are used to pass through the fracture part of the metaphysis and insert into the bone for fixation;

[0029] The shape of the connecting part 2 is a bifurcated strip-shaped hook attached to the surface of the bone, and the bifurcated strip of the connecting part 2 and the strip 4 of the first fixing part 1 are in a one-to-one corresponding connection relationship;

[0030] A pressure fixing hole 5 is provided on the second fixing part 3, and the second fixing part 3 is fixed on the backbone connected with the metaphysis through the pressure fixing hole 5 through the pressure screw.

[0031] The shape of the strip 4 is a round rod gradually tapering from the...

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Abstract

The invention discloses a double-nail-hook metaphysis pressurizing fixing device which comprises a first fixing part, a second fixing part and a connecting part. The connecting part is used for connecting the first fixing part and the second fixing part. The first fixing part comprises two strip-shaped objects. The strip-shaped objects are used for penetrating through the fracture part of the metaphysis and being inserted into the backbone to be fixed. The connecting part is in a forked strip-shaped hook shape attached to the surface of the bone. Forked strips of the connecting part and the strip-shaped objects of the first fixing device are connected in a one-to-one corresponding mode. A plurality of pressurizing fixing holes are formed in the second fixing part. Pressurizing screws penetrate through the pressurizing fixing holes so that the second fixing part can be fixed to the backbone connected with the metaphysis. The pressurizing fixing device is convenient to take out, low in cost, and beneficial for healing the fracture part and preventing secondary injuries to normal bone tissue.

Description

technical field [0001] The invention belongs to the technical field of medical devices, in particular, the invention relates to a double nail hook metaphyseal pressure fixer. Background technique [0002] Metaphyseal fractures are often caused by strong violence, often accompanied by comminuted fractures, severe soft tissue injuries, and the fractures are close to or involve the articular surface. Clinical treatment is difficult, and soft tissue necrosis, bone infection, and bone exposure are prone to occur. It brings many difficulties to clinical treatment, so the choice of fixation method is the key to determine the prognosis. There are many ways of fixation, including external fixation bracket, traditional open reduction and internal fixation, minimally invasive bone plate and interlocking intramedullary nail, etc. The use of external fixation brackets is likely to cause complications, such as screw tract infection, loosening of brackets, and fracture malunion. When int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/66
CPCA61B17/68A61B17/683A61B2017/564A61B2017/681
Inventor 不公告发明人
Owner 熊静
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