How to smoothly put a blunt needle into a blood vessel What to do if placement fails

1. Before the insertion of the puncture needle (blunt needle), the operator should encourage the patient to describe the feeling of the insertion of the puncture needle, which can better ensure the consistency of the puncture.

2. The position of the arm and hand of the kidney friend should be kept the same during the tunnel establishment period or when the blunt needle is successfully replaced for treatment to ensure the consistency of the direction angle between the tunnel and the vein.

3. After the tunnel is established, the staff should also continue to maintain good information communication to ensure that all the medical staff who perform the operation can understand the relevant information of the tunnel. is described in detail.

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4. The process of blunt needle puncture should be "slid into" the blood vessel along the established tunnel, and it is not necessary to exert excessive external force during this process. The operator is advised to hold the catheter site of the blunt needle rather than the needle wing during puncture to minimize the external force provided by the hand during puncture.

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Some nursing staff like to use the "twisting needle" technique during the operation, rotating the needle left and right to make it enter the blood vessel, but this operation is not a recommended measure, because it is not clear whether the tunnel and surrounding areas will be caused by such an operation. Tissue stretching and damage.

5. The needle should not be "wetted" with sterile or non-sterile solutions prior to blunt needle puncture (it has been said that wetting the needle surface with normal saline allows for more "smooth" entry into the tunnel), as this will increase the Potential for contamination of the puncture needle, resulting in a risk of potential infection.

6. After the needle is inserted, it is not recommended to insert all the needle into the skin. It should be ensured that there is an exposed part of the needle of 1~2mm, so as to avoid the central collapse of the puncture site due to the needle being inserted too deeply.

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