Efficiency of a polymer-coated phacoemulsification tip in cataract surgery
Ivan A Cardenas1, Emilie L Ungricht, Brian Zaugg
1From the Department of Ophthalmology and Visual Sciences, John A. Moran Eye Center, University of Utah, Salt Lake City, Utah (Cardenas, Ungricht, Zaugg, Olson, Pettey); University of Utah School of Medicine, Salt Lake City, Utah (Cardenas, Ungricht).
Journal of Cataract and Refractive Surgery
|April 14, 2023
Summary
Phacoemulsification efficiency showed no significant difference between hybrid polymer and metal balanced tips. The hybrid tip offers equivalent efficiency with a potentially improved safety profile for surgeons.
Area of Science:
- Ophthalmology
- Surgical Technology
- Biomaterials
Background:
- Phacoemulsification is a key cataract surgery technique.
- Tip design impacts surgical efficiency and safety.
- Evaluating new tip materials like hybrid polymers is crucial.
Purpose of the Study:
- To compare the efficiency of a hybrid polymer tip versus a metal balanced tip during phacoemulsification.
- To measure efficiency using cumulative dissipated energy (CDE) and total procedure time.
Main Methods:
- An experimental study using the Centurion Vision System and Infiniti OZil handpiece.
- Phacoemulsification performed on porcine lenses with both metal and hybrid tips at varying ultrasound power settings.
- CDE and procedure time were recorded for each setting.
Main Results:
- No statistically significant differences in procedure time or CDE were found between the hybrid polymer tip and the metal balanced tip.
- Efficiency was comparable across all tested ultrasound power levels and modes.
Conclusions:
- The hybrid polymer tip demonstrates equivalent efficiency to the traditional metal balanced tip in phacoemulsification.
- The hybrid tip's potential safety benefits warrant further investigation.
- Future research should explore clinical applications and varied settings for the hybrid tip.


