What class of medical device does an indwelling needle belong to?

May 25, 2023 Source: Cainiu Health

Dr. Li Feng

Introduction

Generally speaking, indwelling needles belong to Class III medical devices. The most widely used type in clinical practice is the disposable venous indwelling needle, which is simpler to operate and reduces patient pain compared to traditional intravenous infusion needles. The introduction of indwelling needles has solved clinical challenges related to patients with poor vascular conditions and those requiring intermittent intravenous infusions over a period of time.

Generally speaking, indwelling needles belong to Class III medical devices. The specific details are as follows:

Indwelling needles are widely used in clinical practice, particularly the disposable venous indwelling needle. Compared with traditional intravenous infusion needles, they are easier to operate and can protect blood vessels while reducing pain caused by repeated venipunctures. The introduction of indwelling needles has solved clinical challenges related to patients with poor vascular conditions or those requiring intermittent intravenous infusions over a period of time, thereby improving overall work efficiency. Since indwelling needles are classified as Class III medical devices, their manufacturing and production are subject to stricter requirements.

In summary, as indwelling needles fall within the scope of Class III medical devices, it is recommended that they be used only in正规 hospitals and administered by qualified medical professionals to avoid unnecessary pain or potential damage to blood vessels.

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Steps for inserting and withdrawing a single-handed indwelling needle

Under normal circumstances, an indwelling needle is a relatively soft intravenous infusion device that can reduce the pain of repeated venipuncture and alleviate fear of injections. A suitable blood vessel should be selected—typically one that is relatively thick, straight, has good blood flow, and good elasticity. A tourniquet is applied approximately 10 cm above the puncture site, and the skin at the puncture site is disinfected with a rotating motion, covering an area of approximately 8 cm × 8 cm.

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How to use an indwelling needle on the second day

Before using the indwelling catheter on the second day, first examine the condition of the catheter, disinfect the connection site, then attach the infusion tubing to the end of the indwelling catheter. Observe whether the fluid flows properly. If not, consider the possibility of catheter occlusion. For mild blockage, flush with normal saline; for severe blockage, consider replacing the indwelling catheter.

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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.