Multi-start thread U-shaped nail

A multi-thread and thread technology, applied in the field of medical equipment, can solve the problems of insufficient fracture fixation, inability to save time for surgery, slow wound healing of patients, etc., and achieve the effect of reliable fracture fixation, shortening operation time, and reducing operation pain.

Inactive Publication Date: 2014-06-25
JIANGSU ANGEL MEDICAL INSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The U-shaped pedicle screw is an important medical device used in the clinical practice of the spine. The existing U-shaped nails are complicated to operate, and the fracture fixation is not firm enough, which makes the patient's wound heal slowly, and most of the existing U-shaped nails are single. The thread structure of the head, the operation operation rotates very slowly, which can not save time for the operation and reduce the pain of the patient

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  • Multi-start thread U-shaped nail
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  • Multi-start thread U-shaped nail

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with specific examples. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the application.

[0015] Figure 1-5 It is a structural schematic diagram of a multi-threaded U-shaped nail of the present invention, comprising a screw 1, a thread 2, a cutting edge 3, and a nail front end 4, the screw 1 is provided with a thread 2, one end of the screw 1 is provided with a cutting edge 3, and the other end of the screw 1 One end is provided with a nail front end 4, and it is characterized in that: the screw thread 2 on the screw r...

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Abstract

The invention relates to the technical field of medical instruments, in particular to a multi-start thread U-shaped nail. The multi-start thread U-shaped nail comprises a screw, threads, a cutting edge and a nail front end. The screw is provided with the threads which are multi-start threads, one end of the screw is provided with the cutting edge, and the other end of the screw is provided with the nail front end. The multi-start thread U-shaped nail is convenient to operate and firm in fracture fixation, wound union is fast, the single-start thread is changed into two-start or multi-start threads, the multi-start threads are long in lead and fast in rotation, operation time for patients is greatly shortened, operation pain of the patients is alleviated, and quite good effect is achieved.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a multi-thread U-shaped nail. Background technique [0002] The U-shaped pedicle screw is an important medical device used in the clinical practice of the spine. The existing U-shaped nails are complicated to operate, and the fracture fixation is not firm enough, which makes the patient's wound heal slowly, and most of the existing U-shaped nails are single. The thread structure of the head makes the operation operation rotate very slowly, which cannot save time for the operation and reduce the pain of the patient. Therefore, in order to overcome the deficiencies of the above-mentioned technologies, a multi-thread design that conforms to human biomechanics is designed. This design makes the product screw up quickly during clinical use; it can also better play the role of lifting the spine; The advantage of not being easy to skid invalidation, a kind of multi-thread U...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/70
CPCA61B17/70A61B17/8625A61B17/864
Inventor 马程相
Owner JIANGSU ANGEL MEDICAL INSTR
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