How to flush the catheter after completing intravenous infusion with an indwelling needle

Apr 06, 2023 Source: Cainiu Health

Dr. Yang Shuwen

Introduction

After completing intravenous infusion with an indwelling needle, the catheter can be sealed using normal saline, heparinized sodium chloride solution, or the infusion set pressure sealing method. Catheter sealing must be performed by qualified medical personnel. Before sealing, healthcare providers should wash their hands thoroughly, put on gloves and a mask, and prepare the normal saline. It is recommended to regularly disinfect the indwelling needle site, and if the needle remains in place for an extended period, it should be replaced periodically.

After completing intravenous infusion with an indwelling catheter, the catheter can be sealed using normal saline, heparinized saline, or the infusion set compression method. Catheter sealing should be performed by trained medical personnel. Taking normal saline sealing as an example, the specific procedure is as follows:

1. Before sealing, healthcare providers should wash their hands thoroughly, wear gloves and a mask, and prepare the normal saline.

2. Draw 10 mL of normal saline into a syringe and inject it through the heparin cap. When approximately 0.5–1 mL of saline remains, begin slowly withdrawing the syringe needle while continuing to inject, ensuring that the injection speed is faster than the withdrawal speed.

3. After completely removing the needle, inspect the indwelling catheter to confirm that the entire lumen is filled with normal saline.

It is recommended to regularly disinfect the access site of the indwelling catheter. If the catheter remains in place for an extended period, it should be replaced periodically.

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Why is the indwelling needle inserted one day earlier?

An indwelling needle usually refers to an intravenous (IV) indwelling catheter. Under normal circumstances, placing the IV indwelling needle one day prior to the procedure may be due to reasons such as reducing patient discomfort, preoperative laboratory tests, surgical preparation, venous access preparation, and intraoperative medication administration. Specific details are as follows: It should be noted that the exact timing of catheter placement may vary depending on hospital regulations, type of surgery, and individual patient conditions.

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What causes a hard lump after having an indwelling needle for 20 days, and what should be done?

Under normal circumstances, finding a lump 20 days after catheter placement may be caused by inflammation, foreign body residue, blood stasis, hematoma, infection, or other reasons. The treatment varies depending on the underlying cause. Specifically: in summary, the presence of a lump 20 days after catheter placement may result from multiple causes. If the patient experiences any discomfort, it is recommended to seek timely medical attention at a hospital.

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What does "24G indwelling needle" mean?

A 24G indwelling needle refers to a medical device, where "24G" generally indicates a needle diameter of approximately 0.55 mm. An indwelling needle is a medical instrument used for留置 catheters or tubes within the body. It is typically made of stainless steel or plastic and features a sharp tip and a connector that can be attached to infusion devices or other medical equipment. The size of indwelling needles is commonly indicated by the gauge (G).