PFNA femoral intramedullary nail short nail support

An intramedullary nail and bone marrow technology, which is applied in the field of PFNA femoral intramedullary nail short nail bracket, and can solve problems such as loosening of the internal nail

Pending Publication Date: 2021-04-13
宿迁市浩欣机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the fixation of proximal femoral fractures, intramedullary nails are often used for fixation, but during the fixation process, the inner nails fixed by the proximal fixation instruments are prone to loosening

Method used

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  • PFNA femoral intramedullary nail short nail support
  • PFNA femoral intramedullary nail short nail support

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] Such as figure 1 with figure 2 As shown, a PFNA femoral intramedullary nail short nail bracket includes a handle 1 and a short nail 2. The lower end of the handle 1 is provided with a mounting hole 3, and one end of the mounting hole 3 is connected to one end of the short nail 2. The mounting hole 3 is convenient for short nails. The installation of the nail 2 is fixed; the other end of the mounting hole 3 is provided with a lock nut 14, and one end of the short nail 2 is provided with an internal thread matched with the lock nut 14, and the lock nut 14 is threadedly connected with one end of the short nail 2, The locking nut 14 makes one end of the short nail 2 and the handle 1 fixed more firmly.

[0018] The upper end of the handle 1 is provided with an aiming arm, and one end of the aiming arm is provided with a boss 11 matching the upper end of the handle 1. The boss 11 and the handle 1 are connected by a locking screw 12, and the locking screw 12 and the boss 11 ...

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PUM

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Abstract

The invention provides a PFNA (proximal femoral nail antirotation) femoral intramedullary nail short nail support, and particularly relates to the technical field of medical instruments. The support comprises a handle and a short nail, wherein a mounting hole is formed in the lower end of the handle, and one end of the mounting hole is connected with one end of the short nail; a sighting arm is arranged at the upper end of the handle, one end of the sighting arm is connected with the handle, the sighting arm is divided into a near-end sighting arm and a far-end sighting arm, a threaded sleeve is arranged at the other end of the near-end sighting arm, an intramedullary nail is arranged in the threaded sleeve, a near-end hole matched with the intramedullary nail is formed in the side wall of the short nail, the hole wall of the near-end hole is in sliding connection with the intramedullary nail, a sleeve and a through hole matched with the sleeve are arranged at the other end of the far-end sighting arm, the hole wall of the through hole is in sliding connection with the sleeve, a fixing nail is arranged in the sleeve, a far-end hole matched with the fixing nail is formed in the side wall of the short nail, and the hole wall of the far-end hole is in sliding connection with the fixing nail. According to the PFNA femoral intramedullary nail short nail support, the intramedullary nail can be fixed more stably.

Description

technical field [0001] The invention belongs to the technical field of medical devices, and in particular relates to a short PFNA femoral intramedullary nail bracket. Background technique [0002] Intertrochanteric fractures refer to fractures that occur at the base of the femoral neck to above the level of the lesser trochanter, and are common injuries in the elderly. When fixing proximal femoral fractures, intramedullary nails are often used for fixation, but during the fixation process, the inner nails fixed by the proximal fixation instruments used are prone to loosening. Therefore, there is a need for a short PFNA femoral intramedullary nail bracket that can solve the above problems. Contents of the invention [0003] The purpose of the present invention is to provide a PFNA femoral intramedullary nail short nail bracket, which can make the intramedullary nail more stable. [0004] The present invention provides following technical scheme: [0005] A PFNA femoral i...

Claims

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Application Information

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IPC IPC(8): A61B17/72A61B17/74
CPCA61B17/7233A61B17/74
Inventor 柏吉军
Owner 宿迁市浩欣机械有限公司
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