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Longer Peristaltic Pump Supports Excellence in Radiofrequency ablation (RFA) Technology03-23-2021

Liver cancer causes more than 500,000 deaths a year worldwide, and about 90% of primary malignant tumors of the liver are hepatocellular carcinoma (HCC).The main treatment of the hepatocellular carcinoma (HCC) are still the two traditional treatment methods surgery and radiofrequency ablation.


Radiofrequency ablation (RFA) is a treatment that use image guidance to apply thermal energy via a probe that results in coagulation necrosis of the target tissue. In RF ablation, the patient is part of a closed-loop circuit that includes an RF generator, an electrode needle, and a large dispersive electrode. The thermal damage caused by RF heating is dependent on both the tissue temperature achieved and the duration of heating. At more than 100–110°C, tissue vaporizes and carbonizes. Therefore, the active tip of the ablation probe should be internally cooled with circulating water.

The role of peristaltic pump

Internally cooled electrodes have been designed to minimize carbonization and gas formation around the needle tip by eliminating excess heat near the electrode. The peristaltic pump is an important part of the process, which is used to transfer the cooling medium to control the heating process. RF energy heats the tissue while circulating water moderates the temperature close to the active tip to ensure more uniform heating.


Early detection of liver cancer

As mentioned above, liver cancer that is diagnosed at an early stage has a good chance of being cured with surgery or nonsurgical treatments such as radiofrequency ablation. It is particularly important to further promote the detection and screening of viral hepatitis in the broad masses, especially for the people who have risk factors for HCC , get screened for liver cancer on a regular schedule.


Meanwhile, with ramped up testing and prioritized research to fight against coronavirus, efficient and reliable lab solutions are a must. Longer offers a broad range of critical components used in analysis instruments for in-vitro diagnostic (IVD) and clinical laboratory and give hope to more patients.


For more information, go to Longerpump.com or call +86-312-3110087.



Starting in 1997, Longer is a wholly owned subsidiary of the Halma Group, and is affiliated to Medical Sector. Our product lines, including peristaltic pumps, laboratorial syringe pumps, industrial syringe pumps, micro-gear pumps, dispensing and filling systems, OEM pumps, and more, are sold through company-owned customer channel outlets and a strong network of international dealers. Longerpump responds with excellence to customer needs, and offers application expertise and technical support. For more info: www.longerpump.com