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Precise bone nailing device for orthopedic internal fixation surgery

A technology for surgery and bone nailing, applied in the field of medical appliances, can solve problems such as deviation and time-consuming, achieve high comfort, improve the fixation effect, and ensure the fixation effect

Inactive Publication Date: 2018-10-12
林芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this device needs to fasten the fracture site in advance, which needs to be fixed separately, which is easy to consume time, and the direct alignment method is easy to cause deviation when nailing the bone

Method used

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  • Precise bone nailing device for orthopedic internal fixation surgery
  • Precise bone nailing device for orthopedic internal fixation surgery
  • Precise bone nailing device for orthopedic internal fixation surgery

Examples

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Embodiment Construction

[0019] Attached below Figure 1~9 The present invention will be described in detail below.

[0020] Such as Figure 1~9 As shown, the present invention includes a fixing frame 1, a fixing cross bar 15, a supporting vertical rod 19, and a chassis 30. The fixing frame 1 is composed of an upper fixing frame 1-1 and a lower fixing frame 1-2, both of which are semicircular. And the two ends are connected by a fixing frame hinge 2, and the other ends are respectively connected with an upper locking block 1-3 and a lower locking block 1-4, and an arc-shaped locking bar 3 is fixed on the lower locking block 1-4. The upper is provided with locking teeth 4, the upper locking block 1-3 is provided with an upper locking block opening 5, the locking bar 3 passes through the upper locking block opening 5, and one side of the upper locking block 1-3 is provided There is a lock rod 6, one end of the lock rod 6 passes through the upper lock block 1-3 into the upper lock block opening 5, the oth...

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Abstract

The invention relates to the technical field of medical appliances, in particular to a precise bone nailing device for an orthopedic internal fixation surgery. The device comprises a fixing frame, a fixing cross rod, a support vertical rod and a chassis. The fixing frame is composed of an upper fixing frame and a lower fixing frame which are connected by a fixing frame hinge. The support verticalrod is composed of an upper support vertical rod and a lower support vertical rod, the fixing cross rod passes through the lower support vertical rod, and the top end of the upper support vertical rodis fixedly connected with a support cross rod fixedly connected with a chassis sliding rod. The outside walls of the two fixing frames are provided with sliding slots, the sliding slots are providedwith a movable positioning ruler, a sliding positioning block is provided with a positioning cylinder penetrating the positioning block through a positioning sliding slot. The bone nailing device is reasonable in structure design. The fixing frame can be used for fixing the fracture part of a patient, the sliding positioning block can be moved to the appropriate position by means of matching of amain positioning ruler and the sliding positioning block, and screws can be accurately nailed into the positions to be fixed by using the principle of three points and one line.

Description

Technical field [0001] The invention relates to the technical field of medical appliances, in particular to a precise bone nail device for orthopedic internal fixation operations. Background technique [0002] Fracture refers to the complete or partial fracture of the continuity of the bone structure. After the fracture is reset, it is prone to re-displacement due to instability. Therefore, measures must be taken to fix it in a suitable position to gradually heal. Common fixation methods include internal fixation. Fixation and external fixation, of which internal fixation is through surgical incision and fixation with steel plates, steel needles, intramedullary needles, screws, etc. In the Chinese invention patent with the announcement number CN104622552A, an orthopedic restoration nail device was published, which directly adjusts the alignment of the fracture end through the restoration of the bone nail, which is accurate, stable and reliable, and can effectively shorten the ope...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/88A61B17/92
CPCA61B17/8866A61B17/92
Inventor 林芳
Owner 林芳
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