Usage of IV Catheters

Usage of IV catheters

1.Preparations: infusion bottle (glass bottle, plastic bag, plastic bottle) ,infusion device;

  Fixed dressings (adhesive tape, transparent film);

  Connecting parts (heparin cap, needle free connection);

  Flow control device (infusion pump, micropump);

  IV catheter;

  Disinfectant iodophor, cotton swab;

  Tourniquet.

2. Select the blood vessel: choose the  straight blood vessel with big diameter, good elasticity and rich blood flow.Avoid venous valve and joint.

3.Disinfection of the skin: the scope of disinfection is 8*8cm.

4.Ligation of tourniquet: 10cm above the scope of disinfection.It should not be too tight and should not more than 2 minutes.

5. Remove the needle cap and loose the needle core: remove the needle cap vertically and loose the needle core.

6.Connect the scalp needle, exhaust.

7.Puncture: pull skin tight, pierce the needle into the vein at 15-30 degree slowly, further insert needle 0.2cm after seeing blood return .

8.Withdraw needle core:hold needle seat with one hand and return needle core with another hand.

9. Delivery of I.V. catheter: all the catheter shall be sent into the vein.

10. Relax the tourniquet and adjust the speed of dripping.

11. Sealing the tube and caring: fix it with puncture point at the center with the aseptic and transparent dressing. Keep the puncture point clean and dry, change the transparent dressing one time every 3-5 days . In summer , it can be shortened to 2 days.Change it in time when the dressing is not sticky or there is pollution in the dressing.

12. Record: stick sticker on the site of venipuncture, write the date of puncture, and sign operator's name, etc. The status of IV cannula and the name, dose and usage of for special medication shall be recorded every day.