Eye drop filtration solution
Published Time:
2025-02-05
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Ophthalmic preparations, from contact lens cleaning and storage solutions to rinsing solutions in ophthalmic surgery and eye treatment products, must meet stringent regulatory requirements and product specifications.
The majority of eye drops consist of water. In addition, there may be salts such as sodium chloride, preservatives, petroleum jelly for the production of ointments, and gel polymers for lubricants. Heat-sensitive ophthalmic solutions can be sterilized by sterile filtration or by adding sterilizing components to pre-sterilized bulk solutions.
Separation Target
● Pre-filtration
Reduce particulate matter and bioburden before sterile filtration
● Sterile filtration
Reliable and long-term retention of microorganisms
Application Requirements
● Filters must provide consistently high flow rates and be robust to meet the demands of large-scale manufacturing processes
● Sterile filters must reliably retain microorganisms over time.
● Filters must be free from adsorption or binding and robust to meet the demands of large-scale production of preservatives in product manufacturing
Recommendation
| Filtration Steps | Recommendation |
| Pre-filtration | PP, MCE, GF |
| Sterile Venting | PTFE |
| Final Filtration | PES |
Plasma separation filtration
Small-volume parenteral (SVP) injection
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We focus on filtering the market, with a strict quality system and professional management model, stably producing high-quality filtering products, allowing our customers to filter with peace of mind. If you have any questions, please leave a message to consult!
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