Indicate the presence of numerical data in the abstract (whether numerical data plays a key role in medical records), solely using the information from the abstract.

Abstract: We have developed a variable suction system for irrigation, aspiration and vitrectomy. The system is regulated by the operator's finger-tip. 
Question: Does the abstract contain any numerical data?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
No