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An automatic screwing device for surgery

A surgical and automatic technology, applied in the field of surgery, can solve the problems of poor operation continuity, reduced operation efficiency, cumbersome operation process, etc., so as to avoid the risk of bone nails being sucked by the suction device and accidentally falling off, improve the operation efficiency, and simplify the operation. The effect of the surgical procedure

Active Publication Date: 2018-02-02
科睿(辽宁)医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, surgical bone fixation and repair companies at home and abroad, such as: Medtronic Corporation of the United States, Berenger Snake Company of Germany, and Syndis Corporation of Switzerland, etc., all use manual screwdriver screwdriver methods, and the operation process is mainly, for example, skull repair. Surgery, that is, to repair the patient's skull defect with a plastic titanium plate. The titanium plate needs to be fixed with bone screws. Depending on the size of the repair, the size of the titanium plate is different, and the number of screws required is different. Next, the fixation of the titanium plate requires at least 10-20 screws. During the operation, use a manual screwdriver to pass the screws through the reserved holes on the titanium plate to fix the screws on the surrounding normal bone margins. After each fixation, you need to reinstall the other One screw, in this process, the doctor needs to pass the screwdriver to the equipment nurse, and the equipment nurse installs a screw on the head of the screwdriver, and then passes it to the doctor for operation. The operation process is cumbersome, and the operation continuity is not strong. Larger, and during the operation, due to the small size and light weight of the screw, it is easy to fall off in the operation area or other areas with relatively bacteria, and it is also easy to be sucked by the suction device, which reduces the operation efficiency and affects the operation process
At present, there is no device that can complete the continuous fixation of surgical screws in this field at home and abroad.

Method used

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  • An automatic screwing device for surgery
  • An automatic screwing device for surgery
  • An automatic screwing device for surgery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0035] Embodiment 1: It is a preferred implementation process of the device of the present invention, and the whole process includes: screwing, removing the shell, attaching, and refilling the screws in the nail box.

[0036] The screwing process of the device in the nailing state: as attached image 3 Or as shown in 4, press the trigger (7) and start the motor switch (8), start the motor and reduction unit (13) through the motor switch, after the motor and reducer rotate, they are converted into a Phillips screwdriver (3) through the drive shaft (10) At this time, the screwdriver and the nail tube (2) are relatively displaced under the action of the trigger pressure plate to compress and retract the spring (6), and the bit end of the screwdriver fits the screw (5) and generates a rotational pressure on the screw, which is driven by the rotation of the screwdriver The screw rotates and drills into the bone tissue. After the screw is drilled into the bone tissue, it is separated fr...

Embodiment approach 2

[0041] Another implementation process of the device of the present invention, namely the direct screwing operation of the device, is as attached image 3 As shown, after the screw is attached by the bit end of the screwdriver, press the trigger (7) and then start the motor switch (8), start the motor and reducer unit (13) through the motor switch, after the motor and reducer rotate, pass the drive shaft (10) ) Is converted to the rotation of the screwdriver (3). At this time, the screwdriver and the nail tube (2) have a relative displacement under the action of the trigger pressure plate to compress and retract the spring (6), and the bit end of the screwdriver fits the screw (5) and produces an impact on the screw. Under the action of rotating pressure, the screwdriver rotates to drive the screw to rotate and drill into the bone tissue.

Embodiment approach 3

[0043] Another implementation process of the device of the present invention, namely the reverse screwing operation of the device, when the screw is drilled into the bone, or when the expected effect is not achieved, the screw can be withdrawn from the bone tissue by the device of the present invention, and the screwdriver (3 Press the bit end of the) on the screw to be operated, and then press the motor reverse switch (15) to start the motor and reduction unit (13), the drive shaft (10) rotates in the reverse direction, driving the screwdriver (3) to reverse rotation, and then Pull the screw out of the bone tissue.

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Abstract

The invention provides an automatic nail screwing device for surgery. The device is mainly used for fixing of screws, connecting pieces and repair materials in surgical operations. The device is characterized in that screws can be continuously fixed by operating the device in a handheld mode, automatic operation is achieved, operation procedures are simplified, and operation efficiency is improved.

Description

Technical field [0001] The invention relates to an automatic screw screwing device for surgery, which is mainly used for fixing screws in surgical operations, can realize the automatic operation of the screw screwing process continuously, and belongs to the technical field of surgery. Background technique [0002] The fields involved in bone fixation and repair include neurosurgery, maxillofacial surgery, thoracic surgery, orthopedics, etc., such as neurosurgery craniotomy, skull drilling, skull repair, etc., it will involve postoperative skull connection fixation, skull repair titanium Plate fixation, etc., maxillofacial surgery trauma patients need to repair maxillofacial bones and shapes, involving repair materials, such as the fixation of titanium alloy plates, after thoracic surgery thoracotomy, the sternum needs to be fixed with connecting pieces, and most orthopedic operations involve For postoperative bone fixation and repair, the current main method is still the applicat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/92A61B17/00A61B17/16A61B17/88
CPCA61B17/00A61B17/1624A61B17/1628A61B17/8875A61B17/8886A61B17/92A61B2017/00017A61B2017/00137A61B2017/564A61B2017/922A61B2017/924
Inventor 不公告发明人
Owner 科睿(辽宁)医疗器械有限公司
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