Tibia osteotomy angle regulation and control and locking plate positioning system
A positioning system and locking plate technology, applied in the field of medical devices, can solve problems such as the difficulty of installing a locking plate for medial tibial fractures
Inactive Publication Date: 2021-03-09
王飞
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Problems solved by technology
[0003] Installation of locking plates for medial tibial fractures is technically difficult
Method used
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[0069]In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0070] It should be noted that when an element is referred to as being “disposed on” or “connected to” another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0071] It should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "horizontal", "longitudinal", "widthwise" etc. is based on the orientation or position...
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The invention provides a tibia osteotomy angle regulation and control and locking plate positioning system. The system comprises a distractor and at least one holder, the distractor comprises a firstarm body: the first arm body comprises a main body part and an extension part arranged relative to the main body part; column bodies: the column bodies are rotatably mounted on the main body part of the first arm body, and a threaded structure is arranged along the outer wall of each column body; the distractor comprises at least one column body; and second arm bodies: each column body is providedwith a second arm body, each second arm body comprises a main body part and a first extending part arranged relative to the main body part, and the main body parts of the second arm bodies and the threaded structures of the outer walls of the column bodies are installed in a fitted mode; and each holder includes: a handle; a mounting block: the mounting block is mounted at the end part of each handle; and a clamping mechanism: the clamping mechanism comprises a first locking arm and a second locking arm which are arranged in the width direction of each mounting block, the first locking arm ismounted to each mounting block through a first locking arm handle, and the second locking arm is mounted to each mounting block through a second locking arm handle. The cooperation of the distractorand the holder can realize accurate positioning and mounting of a locking plate.
Description
technical field [0001] The invention relates to the technical field of medical devices, in particular to a tibial osteotomy angle control and locking plate positioning system for orthopedic surgery. Background technique [0002] Locking plates are used in orthopedic surgery to aid in the reduction of severed limbs. The operation needs to open an osteotomy gap at the fracture site, use a spreader to stretch the osteotomy gap to an appropriate height, and then install a locking plate. [0003] The installation of locking plates for medial tibial fractures is technically difficult. To deal with the collapsed articular surface of the medial tibial plateau, a medial support plate is usually used to achieve stable fixation. First, create an osteotomy gap on the inner side of the proximal tibia, and then use a spreader to expand the osteotomy gap to an appropriate height. The distraction effect of the spreader is an important guarantee to ensure the smooth articular surface and r...
Claims
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IPC IPC(8): A61B17/02A61B17/80
CPCA61B17/025A61B17/8061A61B2017/564
Inventor 王飞康慧君李石伦牛映祯
Owner 王飞