47 results about "Ophthalmic Liquid" patented technology

The invention discloses a precise positioning ophthalmic drip device which structurally comprises a bottle hood, a bottle, anti-slip raised lines, a main device, hinges, fasteners, a flip cover, a bottle bottom, a partition plate, an open clamp slot and a card. The main device comprises a pressing transmission mechanism, a screw transmission mechanism, a cam transmission mechanism, a horizontal side pressure mechanism, a belt transmission mechanism, an auxiliary distraction mechanism, a medicine bottle cavity, eye drops and a liquid medicine outlet. The precise positioning ophthalmic drip device solves the problems that a traditional ophthalmic drip device is complicated in structure, troublesome in assembly and disassembly and inconvenient to use, and twinkling of patients cannot be controlled. The precise positioning ophthalmic drip device has the advantages that twinkling of the patients can be controlled, and the precise positioning ophthalmic drip device is simple in structure andconvenient to mount and use.

The invention discloses a method for preparing pH sensitive in-situ gel nano slow-release eye drop, which comprises the following steps of: wrapping ophthalmic medicaments in nano particles by using an emulsifying method to prepare medicament slow-release carriers, dispersing the medicament slow-release carriers in a pH sensitive liquid medium, and regulating the pH value, the osmotic pressure value and the like to obtain the pH sensitive in-situ gel nano slow-release eye drop. The eye drop prepared by the method has good pH sensitivity, biological adhesiveness and medicament long-acting slowrelease; the in vitro pH value is 4.0 to 4.5; the eye drop is liquid with good mobility and low viscosity; after the eye drop is dropped into the eye, the pH value is raised to about 7.4, the liquid preparation is quickly gelled in situ, the nano particle medicament carriers are immobilized therein and medicaments are slowly released, so the detention time of the medicaments in the eye can be increased, the bioavailability of the medicaments is improved, the frequency of eye medicament administration is reduced, and the eye drop has low stimulus at the same time.

The invention discloses an eye drop bottle with an expiration reminding structure. The eye drop bottle comprises a bottle, a connecting block, a liquid outlet tube and a bottle cap. The connecting block is fixedly arranged on the bottle, the liquid outlet tube sequentially penetrates the connecting block and the bottle and extends into an inner cavity of the bottle, a through hole is formed in thebottle cap, a transparent block is embedded in the through hole, linear marks are arranged on the transparent block in the perpendicular directions, the expiration reminding structure is arranged onthe inner wall of the bottle cap, a groove is formed in the connecting block, and a positioning structure and a pushing structure are arranged in the groove; the expiration reminding structure comprises a transparent liquid storage tank, a rubber block sealing assembly and a water absorbent resin ball; the positioning structure comprises a slider, a first rack and a spring; the pushing structure comprises a pushing block, a rubber rod, a support column and a second rack. The eye drop bottle has the advantages that the expiration reminding structure is fittingly arranged on the eye drop bottle,accordingly, the eye drop bottle is simple in structure and convenient to use, health risks due to use of expired eye drop can be eliminated, and wastage due to the fact that unexpired eye drop is thrown away can be prevented.