Pelvic fracture microinvasive intramedullary fixation device

Abstract

The invention provides a pelvic fracture microinvasive intramedullary fixation device and belongs to the technical field of orthopedic medical instruments. The pelvic fracture microinvasive intramedullary fixation device is used for performing intramedullary reduction fixation on the pelvic fracture. The following technical scheme is adopted: a pelvic intramedullary tunnel is designed in advance under pelvic CT three-dimensional reconstruction; a guide wire and a guide sleeve are fabricated according to the bending radian of the pelvic intramedullary tunnel; the pelvic intramedullary tunnel is drilled by use of a soft drill under the guidance of the pre-bent guide wire and the perspective of a C-shaped arm; a cambered intramedullary nail is implanted into the pelvic intramedullary tunnel along the guide wire and fastened and connected with the pelvis by use of fixing screws; after the fracture is cured, an opening is formed at the pubic tubercle and then the cambered intramedullary nail is taken out. The pelvic intramedullary fixation adopted by the pelvic fracture microinvasive intramedullary fixation device is the innovation of the pelvic fracture fixation surgery; the intramedullary fixation device and method are capable of realizing perfect reduction fixation of the pelvic ring and the acetabular fracture under the cooperation of direct sight and C-shaped arm irradiation, convenient to operate and firm in fixation; the operation time and the recovery time are greatly shortened, the treatment effect is improved and the pain of a patient can be alleviated.

Description

technical field [0001] The invention relates to an intramedullary fixation device for open reduction and fixation of pelvic fractures, belonging to the technical field of orthopedic medical devices. Background technique [0002] Pelvic internal fixation is a new technology in the field of orthopedic trauma treatment in recent years, and it also shows a new direction for the development of orthopedic surgery medical technology. Compared with traditional surgery, intramedullary bone treatment of the pelvis has the advantages of better support and less damage to surrounding tissues, and is more and more popular among doctors and patients. The development of contemporary science and technology provides a strong guarantee for intramedullary fixation. Under the guidance of X-ray machines, CT and advanced electronic and optical equipment, doctors can use special instruments and various instruments to perform operations. With the development and progress of science and technolog...

AI Technical Summary

Problems solved by technology

With the development of minimally invasive technology, the use of minimally invasive surgery in orthopedic surgery is becoming more and more common, but there is no precedent for the use of intramedullary fixation in the surgical treatment of pelvic ring and acetabular fractures, especially the use of reconstruction plates for reduction and fixation It is difficult to be satisfied with the effect, so intramedullary fixation in pelvic ring and acetabular fracture surgery has become a difficult problem to solve at present

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