Anterior cervical approach dynamic fixing plate
A fixed plate and anterior approach technology, applied in the field of dynamic anterior cervical fixation plate, can solve the problems of adjacent segment degeneration, cervical spine loss of motion function, etc., to avoid excessive activity, retain cervical spine motion function, and reduce postoperative complications Effect
Pending Publication Date: 2019-09-13
SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
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Problems solved by technology
[0004] The existing anterior cervical vertebral body connection and fixation device achieves a firm fixation effect by sacrificing the range of motion of the corresponding segmental vertebral body, but it leads to the loss of part of the cervical spine's motion function and produces complications such as degeneration of adjacent segments
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[0018] Below in conjunction with specific embodiment, further illustrate the present invention. 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 present application.
[0019] Such as figure 1 An anterior cervical dynamic fixation plate is shown, which is used to fix two adjacent cervical vertebral segments, including a first bone plate 1 and a second bone plate 2, and the space between the first bone plate 1 and the second bone plate 2 can be limited Nested connection of telescoping and limited rotation, wherein the stretched state of the first bone plate 1 and the second bone plate 2 is as ...
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The invention relates to an anterior cervical approach dynamic fixing plate. The anterior cervical approach dynamic fixing plate comprises a first bone setting plate and a second bone setting plate, wherein the first bone setting plate and the second bone setting plate are in nested connection in limited stretching and limited rotating manners; a connecting plate is arranged at one end, corresponding to the second bone setting plate, of the first bone setting plate; lugs are respectively arranged on two sides of the connecting plate; a cavity for accommodating the connecting plate is formed inside the second bone setting plate; limiting chutes are respectively formed in two sides of the cavity; the connecting plate is arranged inside the cavity in a limited rotating manner, and the lugs are encapsulated in the limiting chutes in a limited sliding manner; fixing holes, corresponding to to-be-fixed cervical spine segments of the anterior cervical approach of a patient, are formed in thefirst bone setting plate and the second bone setting plate. According to the anterior cervical approach dynamic fixing plate, the cervical spine fixed segments have stretching activities and lateral bending activities in a certain range based on ensuring the stability of cervical spine fixed segments, reduction of postoperative complications can be favored, and maintenance of cervical spine motorfunctions can be favored.
Description
technical field [0001] The invention belongs to the technical field of anterior cervical connection and fixation, and in particular relates to an anterior cervical dynamic fixation plate. Background technique [0002] Cervical spondylosis, cervical disc herniation and compression of the dural sac and spinal cord in the cervical spinal canal are common pathogenesis of cervical spondylosis. In recent years, anterior cervical discectomy, fusion and fixation (ACDF) has been promoted in more and more hospitals. It has a significant curative effect on the cervical spondylosis caused by the above-mentioned cervical spondylosis. [0003] The principle of anterior cervical discectomy, fusion and fixation (ACDF) is to resect the herniated disc, ligamentum flavum or osteophyte through the anterior approach of the cervical spine, implant a supporting structure between the adjacent pyramids of the lesion segment, and stabilize the corresponding segment The anterior edge of the vertebral...
Claims
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IPC IPC(8): A61B17/70
CPCA61B17/7062
Inventor 丁宝志赵杰
Owner SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE