Nail taking device used in orthopedics department

A technology of orthopedics and lead screw, which is applied in the field of orthopedic nail removers, can solve the problems that the screws are difficult to form effective clamping, cannot guarantee the smooth pull out of the screws, and the groove of the batch head is damaged, so as to avoid broken nails, convenient and quick adjustment, The effect of strong clamping force
CN107485442AInactive Publication Date: 2017-12-19SHANGHAI TENTH PEOPLES HOSPITAL
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI TENTH PEOPLES HOSPITAL
Publication Date
2017-12-19
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention provides a nail taking device used in the orthopedics department. The nail taking device comprises a base, wherein a column is arranged on one side of the base, a height adjusting device is arranged on the column and is connected and arranged on a lifting plate above the base, two guiding shafts are fixed to the upper surface of the lifting plate, a motor fixing plate is arranged above the lifting plate and is in sliding fit with the guiding shafts, a lifting motor is fixed above the motor fixing plate and is connected with a first lead screw located below the lifting motor through a coupler, the first lead screw is matched with the lifting plate in a threaded mode, the lower end of the first lead screw penetrates through the lifting plate, and a pneumatic clamping mechanism is installed at the lower end. The nail taking device used in the orthopedics department is convenient to use, can clamp a screw and then rotatably pull out the screw and has the advantages of making nail taking convenient and being quick, convenient and efficient.
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Description

technical field

[0001] The invention mainly relates to a tool used in medical operations, in particular to an orthopedic nail remover. Background technique

[0002] In orthopedic trauma medical operations such as fracture repair, the commonly used treatment method is internal fixation, that is, after the fracture site is reset, the bone plates and screws supported by metal materials are used to connect the restored bones. Once the fracture has healed, another surgery is required to remove the screws. The traditional staple remover is generally that the doctor directly uses a screwdriver to remove the screw. However, when the screw stays in the human body for too long, the strength of the threaded connection and the groove of the bit will change, which makes the groove of the bit often damaged or the screw broken, making it difficult to take out the screw smoothly.

[0003] In the existing improved nail remover, other mechanical auxiliary structures are generally used to cl...

Claims

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