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Wellead Medical’s ClearPetra System: Advancing Urinary Stone Treatment with Continuous Flow Lithotripsy

Wellead Medical’s ClearPetra System offers a breakthrough approach to continuous flow lithotripsy, utilizing Negative Pressure Aspiration through an oblique side port on the ClearPetra sheath. In this article, we will explore the key features of Wellead Medical‘s ClearPetra System, including its high stone clearance rate, reduction of intra-luminal pressure, prevention of stone retropulsion, improved visual field, and time-saving benefits, highlighting its role in revolutionizing urinary stone treatment.

High Stone Clearance Rate and Reduced Intra-Luminal Pressure

Wellead Medical’s ClearPetra System is designed to achieve a high stone clearance rate during lithotripsy procedures. The Negative Pressure Aspiration technology applied through the oblique side port of the ClearPetra sheath effectively removes fragmented stone debris and reduces the intra-luminal pressure within the urinary tract. This combination of factors enhances the efficiency of stone clearance, ensuring optimal treatment outcomes for patients.

Prevention of Stone Retropulsion and Improved Visual Field

The ClearPetra System’s Negative Pressure Aspiration mechanism also plays a crucial role in preventing stone retropulsion. By creating a controlled suction force, the system minimizes the risk of stone fragments being pushed back into the urinary tract, providing enhanced control and precision during the procedure. Additionally, the system’s design improves the visual field, allowing healthcare professionals to accurately visualize and target stone fragments, further optimizing the treatment process.


Wellead Medical’s ClearPetra System is transforming urinary stone treatment with its unique approach to continuous flow lithotripsy. The system’s Negative Pressure Aspiration technology offers a high stone clearance rate, reduces intra-luminal pressure, prevents stone retropulsion, and improves the visual field during the procedure. By eliminating the need for additional stone retrieval tools, such as baskets or forceps, the ClearPetra System saves valuable operating time.

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