3 results about "Lacrimal punctum" patented technology

This invention provides an auxiliary device for lacrimal duct prosthesis placement in cases of lacrimal punctum stenosis. The device includes a guide tube and a tapered guide head located at the lower end of the guide tube. The guide tube comprises a left half and a right half disposed opposite each other, with an elastic clamping portion connected above the left and right half tubes. The left and right half tubes are openable and closeable via the elastic clamping portion. An arc-shaped left groove and a right groove are formed along the length direction on opposite sides of the left and right half tubes, respectively. The left and right grooves can be joined to form a receiving cavity. The tapered guide head includes a left guide head and a right guide head connected to the lower ends of the left and right half tubes, respectively. The left and right guide heads can be closed and connected. Compared to existing lacrimal duct prosthesis implantation aids, this invention's lacrimal duct prosthesis placement auxiliary device is simple to operate and allows for gentle, stepwise expansion, effectively reducing damage to ocular tissues.

1. Name of the designed product: slippers (tearful eyes). 2. Use of the designed product: for daily wear. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view.

The invention provides a lacrimal point dilator for lacrimal passage flushing, and relates to the technical field of ophthalmology medical instruments, the lacrimal point dilator comprises a rectangular retaining frame, two dilating assemblies are slidably mounted on the rectangular retaining frame, and two rows of positioning slots are formed in the top end of the rectangular retaining frame; the expansion assembly comprises two sliding sleeves, a longitudinal guide plate and a longitudinal track plate, two L-shaped sliding plates are slidably installed on the longitudinal guide plate, and the two sliding sleeves are slidably installed on the longitudinal guide plate in a spring pushing mode; a positioning inserting rod and a shifting plate are integrally formed on the sliding sleeve, adhesive patches are fixed to the pasting block in an adhesive mode, and the two corresponding adhesive patches on the same side are fixed to the upper eyelids and the lower eyelids, close to the punctum, of the eyes in an adhesive mode respectively; and a double-rotation-direction threaded rod is rotationally mounted below the expansion assembly. According to the lacrimal passage flusher, when the lacrimal passage is expanded and exposed, the two traction steel wires are in an inclined pulling state, and a flushing operation space is formed between the two traction steel wires, so that medical personnel can conveniently flush the lacrimal passage without barriers by utilizing the relatively wide flushing operation space.