Mounting mechanism and production and assembly method of artificial bone

Abstract

The invention discloses a mounting mechanism and production assembly method of an artificial bone. The mounting mechanism of the artificial bone comprises a bone body, a connecting assembly and a fastening assembly, wherein the bone body is provided with a first sleeve hole and a second sleeve hole; the bone body is further provided with a first fastening hole and a first cooperating hole which penetrate through the side wall of the first sleeve hole and a second fastening hole and a second cooperating hole which penetrate through the side wall of the second sleeve hole; the connecting assembly comprises two intramedullary nails, and each intramedullary nail comprises a connecting body movably arranged in the first sleeve hole or the second sleeve hole and a fixing body; the fastening assembly comprises two fastening pieces, abutting ends of the fastening pieces can penetrate through the first fastening hole or the second fastening hole to fixedly abut against the connecting bodies, and fixing bodies of the corresponding intramedullary nails protrude to be fixed at the end of the bone body. The mounting mechanism and production assembly method of the artificial bone reduce the treatment duration of bone defect and improve the success rate and reliability of the treatment of the bone defect.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an artificial bone installation mechanism and a production and assembly method thereof. Background technique [0002] At present, for large bone defects caused by severe bone trauma, bone tumor resection, etc., the main treatment methods are as follows: 1) Bone transplantation, which repairs large bone defects by transplanting autologous bone (such as tibia, etc.) or allogeneic bone. At present, this method has achieved certain clinical effects, but the repair of bone defects by transplanting autologous bone will bring new trauma, and if the transplantation fails, it will bring greater harm to the patient; Bone not only will have infection, nonunion and other complications or rejection, but also has the risk of spreading diseases; 2) Bone cement filling, which is to fix the intramedullary nail at the defect first, and then use bone cement to wrap the intramedullary nail, ...

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Problems solved by technology

[0002] At present, for large bone defects caused by severe bone trauma, bone tumor resection, etc., the main treatment methods are as follows: 1) Bone transplantation, which repairs large bone defects by transplanting autologous bone (such as tibia, etc.) or allogeneic bone. At present, this method has achieved certain clinical effects, but the repair of bone defects by transplanting autologous bone will bring new trauma, and if the transplantation fails, it will bring greater harm to the patient; Bone not only will have infection, nonunion and other complications or rejection, but also has the risk of spreading diseases; 2) Bone cement filling, which is to fix the intramedullary nail at the defect first, and then use bone cement to wrap the intramedullary nail, In order to fill the bone defect, due to the physical and chemical properties of bone cement, after a long period of fixation, it will be separated from the intramedullary nail. In addition, the intramedullary nail may also shift, making the fixation unstable

[0003] At present, after bone defect, due to the long treatment time of the above-mentioned treatment methods, the defect site will be in a state of no-load or disused for a long time, which will lead to osteoporosis, which is not conducive to the functional health of the defect site, and is easy to cause serious complications

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