Patent ID: 11872160
Assignee: WENZHOU MEDICAL UNIVERSITY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A method for continuously balancing trans-lamina cribrosa pressure difference by utilizing a trans-lamina cribrosa pressure balance maintainer, comprising the following steps of forming and maintaining a new balance of the front and the rear of the lamina cribrosa by puncturing the lamina cribrosa of the eye of a patient and placing the trans-lamina cribrosa pressure balance maintainer in a pore of the lamina cribrosa to balance the trans-lamina cribrosa pressure difference, wherein the trans-lamina cribrosa pressure balance maintainer comprises a limiting plate that is provided at a bottom portion of the trans-lamina cribrosa pressure balance maintainer, a maintaining shaft that is connected to the limiting plate, a front end of the maintaining channel forming a top portion of the trans-lamina cribrosa pressure balance maintainer, a first drainage hole is defined at the top portion, a through flow channel is defined in a middle of the maintaining shaft, and the first drainage hole is in communication with the flow channel, the flow channel penetrates through the maintaining shaft and the limiting plate at the bottom portion of the trans-lamina cribrosa pressure balance maintainer, a bottom of the limiting plate is provided with a guide groove, and the guide groove is in communication with the flow channel, the maintaining shaft includes a side wall that defines a plurality of second drainage holes, and the plurality of second drainage holes are non-collinearly arranged, the first drainage hole has a pore size of 200 μm and the second drainage hole has a pore size of 10 μm.