2 results about "Spinal Meninges" patented technology

The application belongs to the technical field of biomedical experimental animal model construction, and provides a rat severe spinal cord injury immediate decompression model construction method. The method establishes a standardized surgical procedure, including minimally invasive exposure through the paraspinal muscle gap, precise dura mater incision, warm saline low-pressure lavage debridement, and strict dura mater suture repair. The method realizes immediate and effective reduction of intrathecal pressure, removal of harmful substances in the injury area, and stabilization of the local microenvironment after severe spinal cord injury. The application solves the problems of instability, poor repeatability, and difficulty in simulating the clinical decompression effect caused by the non-standard dura mater incision, uncontrollable lavage, and high risk of secondary injury in the prior art. The model constructed by the method is highly standardized and has strong repeatability, and is suitable for in-depth study of the neuroprotective mechanism of dura mater incision decompression treatment for spinal cord injury.

The application relates to the technical field of medical devices, and discloses an ultrasound-guided pressure monitoring epidural anesthesia positioning device, which comprises a placing shell, an upper tray and a lower tray arranged in the placing shell, and a puncture component comprising an ultrasound positioning epidural puncture needle assembly and a puncture sensor assembly, wherein the ultrasound positioning epidural puncture needle assembly comprises a puncture needle seat. The ultrasound-guided pressure monitoring epidural anesthesia positioning device can accurately determine the position of a needle tip, effectively avoid complications such as rupture of the spinal cord, blood vessel injury and nerve injury caused by blind puncture, significantly improve anesthesia safety, and clearly display anatomical structures such as ligaments and the spinal cord through ultrasound guidance. The ultrasound-guided pressure monitoring epidural anesthesia positioning device can significantly improve the puncture success rate for obese, patients with spinal deformity and old patients who are difficult to puncture in a traditional way. Meanwhile, the puncture pressure sensor can continuously monitor and display the pressure change curve in the puncture process, provide objective and quantitative judgment basis, and reduce the dependence on the subjective experience of an operator.