With the widespread application of air tightness testers, some medical products in the medical industry have also begun to use air tightness testers for air tightness testing.Hirays Technology has tested the air tightness of many medical products such as: medical irrigation guns, electronic stethoscopes, medical punctures, etc.Recently, many customers are interested in the airtightness testing of medical puncture instruments. Today we will show you its airtightness testing method.

The trocar is a medical device that is commonly used in abdominal surgery and other minimally invasive surgeries. It is a widely used surgical instrument.The trocar can establish an access channel in the abdominal wall of the human body to allow other surgical instruments to enter the abdominal cavity and provide a channel for gas to enter and exit.Since the puncture device is mainly used in pneumoperitoneum surgery, there are high requirements for the air tightness of the puncture device. During the operation, the product is required to have no or only a small amount of gas leakage.There are various methods for detecting puncture devices, but most of them are not efficient.

Hirays air tightness testing steps

1: First of all, the Hirays Engineering Department will decide whether to use direct testing or indirect testing based on the individual conditions of the product.If the product is a semi-finished product or has air holes, the direct detection method is generally chosen.If the product is a finished product or does not have any air holes, then we have to use indirect detection methods.The medical puncture device has a guide column, so the direct detection method is generally chosen, and the detection gas is filled into the product from the guide column.

2: The product’s testing parameters are determined based on the product’s air tightness testing requirements and its ability to withstand pressure. The testing pressure of the medical puncture device is 4KPA. ,The guide pillar cannot be insertedhaveLeak, the guide column cannot exceed 20 bubbles after being pulled out for one minute., this is a qualified product, otherwise it is a defective product.Input the required test parameters into our air tightness detector, and after receiving our test instructions, the instrument can automatically determine whether the product is a good product or a defective product.

Because this method of air tightness testing using compressed air is more rigorous and more accurate than using water.Therefore, manufacturers prefer to use air tightness testing methods to test medical products.

Advantages of using Hirays air tightness testing instruments:

1. High-sensitivity pressure sensing and adjustment unit, combined with advanced differential pressure software algorithm, the minimum resolution can reach 0.1Pa. This algorithm has obtained a national patent

2. The patented technology independently developed by Hiraysi, "IVT pneumatic sealing valve island", greatly improves the test accuracy, ensures the stability of the instrument, and greatly improves the inflation speed.

3. Multiple test functions: The instrument integrates two pressure forms, positive and negative, and 8 test methods: two pressure forms and five test methods can be programmed into more than 20 test functions.

4. It has more than 200 groups of subroutines. Each group of subroutines can be programmed independently and can be selected or combined to meet various complex testing requirements.

5. Full-touch large-screen intelligent operating system, graphical UI design based on the detection process, the operation interface is simple and clear, easy to teach and learn

6. A variety of pressure adjustment components and ranges are optional, with a wide air pressure range (-80KPA&-1MPa) optional.Optional electronic pressure regulating valve can realize multiple sets of pressure sequential testing

7. Multiple communication interfaces: built-in RS232 serial port, RJ45 network port, USB communication interface, LTP external I/O control port, supporting multiple communication protocols

8. Optional barcode scanning function and printer are available to facilitate product data management and quality traceability. The instrument history record can reach up to 200,000 items and can be exported to the computer in batches.

9. The standard volume identification function can automatically identify the volume of the sample to be tested, and measure and judge the leakage rate in a volumetric manner.

10. Ultra-high stability and ease of use have passed the rigorous test of the market.

11. A variety of accessories are available, including inflatable bypass, quick connector, and standard leak hole. At the same time, the instrument supports third-party calibration and can issue a calibration report.