How To Use The Coaxial Positioning Needle?

It is easy to place and position accurately, reduce image irradiation time, shorten operation time, establish multiple sampling channels, avoid the pain of multiple surface punctures for patients, and reduce the possibility of needle tract transfer. During chest puncture, to reduce the risk of pneumothorax, the typical use of the coaxial positioning needle is CT-guided biopsy; however, the tip of the needle sheath is polished and the needle core has a groove, which enhances the visibility under ultrasound. Ultrasound-guided puncture at other sites should also be used routinely.

How to use the coaxial positioning needle

Under the guidance of the image, puncture the coaxial positioning needle to the edge of the lesion, adjust the angle, take out the needle core, indwelling the needle cannula, insert the wound biopsy gun/needle into the needle cannula, take out the biopsy gun/needle after firing, Replace the core of the coaxial positioning needle, remove the tissue sample from the biopsy gun/needle, and continue winding for the next sampling. Fine-tune the angle of the coaxial positioning needle, take out the needle core, insert the biopsy gun/needle again for sampling, and repeat the first two steps until the required number of samples is taken. sample. GCO coaxial positioning needle can be used with TZ, Evolution, Speed-Cut soft tissue biopsy needle/gun. The GCO can have a plug-in connection with the biopsy needle/gun to make it one piece. Prevents rotation of biopsy needle/gun after insertion into coaxial positioning needle; functions as a whole. The outer diameter is only 1G larger than that of the biopsy needle, which reduces the risk. The needle body is 5cm shorter than that of the same type of biopsy needle. Since the needle handle is 3cm, and the biopsy needle is wound by 2cm, it is completely matched with the same type of biopsy needle. It can damage the tissue and prevent the transfer of the needle track. The front end of the needle sheath is polished, and the needle core has a groove, which enhances the visibility under ultrasound.

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