Laser ruler for surgical operation

Abstract

The invention relates to a laser ruler for a surgical operation, and belongs to the technical field of measurement. The technical scheme is as follows: the laser ruler comprises a laser light source, a transparent ruler and a casing, wherein a light-emitting port is formed in a front wall of the casing; the laser light source is fixed at the rear inner part of the casing; a light-emitting surface of the laser light source is opposite to the light-emitting port in the front wall; and the transparent ruler is plugged in the light-emitting port of the casing. Scales of the transparent ruler are projected to a measured human tissue through laser, so that noncontact measurement of a tissue defect and a cut graft is realized; and the device is not required to be sterilized and not limited by an operation space, the tissue defect in an incision depth can be measured conveniently and rapidly, and the surgical operation cannot be affected during real-time measurement during the operation, so that the operation efficiency can be effectively improved, and the pain of a patient can be relieved.

Description

technical field [0001] The invention relates to a laser ruler for measuring the length of human tissue used in surgery, and belongs to the technical field of measurement. Background technique [0002] In orthopedic clinical practice, patients may have tissue defects, such as skin defects, bone defects, tendon defects, severe damage or defects of blood vessels and nerves, and autogenous bones, tendons, blood vessels, nerves, etc. are often cut to repair tissue defects. In addition, common orthopedic diseases or deformities such as cervical spondylosis, lumbar disc herniation or vertebral body tuberculosis, limb deformity or shortening often require vertebral body distraction bone grafting, interlaminar bone grafting or articular process interplantation during treatment. For operations such as bone grafting or bone defect bone grafting, autologous bone grafts also need to be excised during treatment. While cutting sufficient tissue to repair the defect, in order to avoid exce...

AI Technical Summary

Problems solved by technology

[0003] At present, ordinary rulers are generally used as measurement tools for human tissue or tissue defects in clinical practice. The disadvantages are that they need to be sterilized before the operation, and the operation is cumbersome. Moreover, due to the limitation of the operating space, it is impossible to accurately measure the depth of the incision during the operation. tissue defect

In addition, the real-time measurement during the operation with an ordinary ruler will also affect the operation, resulting in prolonged operation time and greater pain for the patient

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