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CIA Medical is a leading provider of medical and surgical supplies. See our list of 18 gauge IV needles and prices below. Order online, call us at (312) 275-5850, or get a 2-hour custom quote by filling the form on this page.

What Is an 18 Gauge IV Needle?

The "gauge" of needles refers to the size of the hole in the needle, with higher gauges having smaller holes. Common sizes range from 16 gauge up to 30 gauge. 18 gauge IV needles are among the largest options out there and are used for a wide variety of IV purposes.

Like other IV needles, 18 gauge IV needles are typically inserted into key areas around the body, like the wrist, hand, arm, groin, or chest. They’ll be connected to a catheter, guiding the catheter tube into a major vein so that fluids and medications can be administered directly into the patient’s body.

18 gauge IV needles are among the most commonly used infusion supplies in hospitals and clinics all over the world. They’re very useful for delivering fluids to a patient to restore fluid balance after dehydration or water loss, as well as for delivering medicines of various kinds to treat a wide range of diseases and illnesses.

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Smiths Medical #306501

Smiths Medical #306501, Protectiv Plus IV Catheter 18gx1.25" 50/Bx, 4 BX/CA

$124.50 per BOX

Ships Within: 24 Hours
Smiths Medical #405511

Smiths Medical #405511, Jelco Catheter Peripheral IV Straight With Wings Green 18gx1-1/4" Ea

$1.32 EACH

Ships Within: 24 Hours
Smiths Medical #308500

Smiths Medical #308500, Protective IV Catheter 18G 50/BX, 4 BX/CS

$123.07 per BOX

Ships Within: 24 Hours
Smiths Medical #3065

Smiths Medical #3065, CATHETER IV PROTECT PLUS 18GX1.25"

$479.87 per CASE

Ships Within: 24 Hours
B Braun #4251131-02

B Braun #4251131-02, Introcan Safety 3 Closed IV Catheter 18 Ga. x 1.25 in., PUR, Winged, 50/BX, 4 BX/CS

$180.18 per BOX

Ships Within: 24 Hours
Smiths Medical #305506

Smiths Medical #305506, Protectiv IV Catheter Green 18gx1.25" 50/Bx, 4 BX/CA

$112.67 per BOX

Ships Within: 24 Hours
B Braun #4251687-02

B Braun #4251687-02, Introcan Safety IV Catheter 18 Ga. x 1.25 in., PUR, Straight, EACH

$4.06 EACH

Ships Within: 24 Hours
Smiths Medical #4055

Smiths Medical #4055, CATHETER IV JELCO 18GX1 1/4 200/CS

$209.34 per CASE

Ships Within: 24 Hours
Smiths Medical #3065

Smiths Medical #3065, Protectiv Plus IV Catheter 18gX1.25" Ea, 200 EA/CS

$2.85 EACH

Ships Within: 24 Hours
Smiths Medical #305506

Smiths Medical #305506, Protectiv Safety IV Catheter 18gX1-1/4" Ea, 200 EA/CA

$2.37 EACH

Ships Within: 24 Hours
B Braun #4252561-02

B Braun #4252561-02, Introcan Safety IV Catheter 18 Ga. x 2.5 in., FEP, Straight, 50/BX

$177.51 per BOX

Ships Within: 2-3 Days
Smiths Medical #3355

Smiths Medical #3355, Protectiv Acuvance Safety Cath 18gX1.25" Ea

$3.52 EACH

Ships Within: 24 Hours
Nipro #CI+1832-2C

Nipro #CI+1832-2C, CATHETER, IV, 18G X 1-1/4", TEFLON, STD, 200/CS

$216.00 per CASE

Ships Within: 24 Hours
Smiths Medical #305506

Smiths Medical #305506, Protectiv IV Catheter Green 18gx1.25" 50/Bx, 4 BX/CA

$450.68 per CASE

Ships Within: 24 Hours
B Braun #4252560-02

B Braun #4252560-02, Introcan Safety IV Catheter 18 Ga. x 1.25 in., FEP, Straight, 200/CS

$644.26 per CASE

Ships Within: 24 Hours
Smiths Medical #308500

Smiths Medical #308500, CATHETER, IV, PROTECT PLUS-W IV 18GX1 1/4, 200/CS

$1,349.49 per CASE

Ships Within: 24 Hours
B Braun #4252560-02

B Braun #4252560-02, Safety IV Catheter, Straight, FEP, 18G x 1.25 50/Box

Call for Pricing

Ships Within: 2-3 Days
Exel International #26735

Exel International #26735, SAFELET IV Catheter (Pen Type), 18G x 1 1/4", Green, 200/CS

$214.22 per CASE

Ships Within: 24 Hours
B Braun #4251131-02

B Braun #4251131-02, Introcan Safety 3 Closed IV Catheter 18 Ga. x 1.25 in., PUR, Winged, 50/BX, 4 BX/CS

$720.72 per CASE

Ships Within: 24 Hours
B Braun #4252551-02

B Braun #4252551-02, Introcan Safety IV Catheter 18 Ga. x 1.75 in., FEP, Straight, 200/CS

$644.26 per CASE

Ships Within: 24 Hours
Smiths Medical #306501

Smiths Medical #306501, Protectiv Plus IV Catheter 18gx1.25" 50/Bx, 4 BX/CA

$457.64 per CASE

Ships Within: 24 Hours
Smiths Medical #442520

Smiths Medical #442520, CATHETER, CATHALON IV 18GA X 1 1/4", 200/CS

$939.05 per CASE

Ships Within: 24 Hours
Avanos Medical #18153

Avanos Medical #18153, Tray Univer Block 18gx1.5 25Gx1.5 10/Ca

$187.34 per CASE

Ships Within: 24 Hours
Smiths Medical #407500

Smiths Medical #407500, CATHETER, IV, WINGED, 18GX1.75, 200/CS

$445.97 per CASE

Ships Within: 2-3 Days
Smiths Medical #335403

Smiths Medical #335403, CATHETER, IV, PROTECT, ACUVANCE, 18GX1 3/4, 200/CS

$760.97 per CASE

Ships Within: 24 Hours
B Braun #4253604-02

B Braun #4253604-02, CATHETER, IV, INTROCAN 18GX1-1/4", SFTY, 50/BX

$187.41 per BOX

Ships Within: 2-3 Days
Smiths Medical #335503

Smiths Medical #335503, CATHETER, IV, PROTECT, ACUVANCE, 18GX1 1/4, 200/CS

$760.97 per CASE

Ships Within: 24 Hours
Smiths Medical #335503

Smiths Medical #335503, CATHETER, IV, PROTECT, ACUVANCE, 18GX1 1/4, EACH

$4.08 EACH

Ships Within: 2-3 Days
Halyard Health #182122

Halyard Health #182122, TRAY, UNIVERSAL BLOCK, NEEDLE 18GX.5, 10 EA/CS

$341.56 per CASE

Ships Within: 24 Hours
Smiths Medical #442420

Smiths Medical #442420, CATHETER, CATHALON IV 18GX1 3/4 NONRADIO, 200/CS

$939.05 per CASE

Ships Within: 24 Hours
Smiths Medical #335503

Smiths Medical #335503, CATHETER, IV, PROTECT, ACUVANCE, 18GX1 1/4, 50/BX

$190.26 per BOX

Ships Within: 2-3 Days
Smiths Medical #335403

Smiths Medical #335403, CATHETER, IV, PROTECT, ACUVANCE, 18GX1 3/4, EACH

$4.08 EACH

Ships Within: 24 Hours
Smiths Medical #3065

Smiths Medical #3065, Protectiv Plus IV Catheter 18gX1.25" Ea, 200 EA/CS

$479.87 per CASE

Ships Within: 24 Hours
Smiths Medical #3065

Smiths Medical #3065, Protectiv Plus IV Catheter 18gX1.25" Ea, 200 EA/CS

$489.89 per CASE

Ships Within: 2-3 Days
Halyard Health #18142

Halyard Health #18142, TRAY, BLOCK, UNIVERSAL, 18G, 25G NEEDLES, 10/CS

$381.13 per CASE

Ships Within: 24 Hours
BD  #383520

BD #383520, BD Nexiva Closed IV Catheter System Single Port, 18 G x 1.75 in. (1.3 mm x 45 mm), Green, 20/Box 80/Case

$543.57 per CASE

Special Order Item
Pelton & Crane #305506

Pelton & Crane #305506, CATHETER, IV, SFTY, 18GX 1.25", LF, STERILE, 50/BX

$175.58 per BOX

Special Order Item
Pelton & Crane #305506

Pelton & Crane #305506, CATHETER, IV, SFTY, 18GX 1.25", LF, STERILE, 200/CS

$702.28 per CASE

Special Order Item
Pelton & Crane #305506

Pelton & Crane #305506, CATHETER, IV, SFTY, 18GX 1.25", LF, STERILE, EACH

$3.77 EACH

Special Order Item
Smiths Medical #442420

Smiths Medical #442420, CATHETER, CATHALON IV 18GX1 3/4 NONRADIO, EACH

$4.95 EACH

Special Order Item
BD  #381144

BD #381144, Angiocath IV Catheter 18g X 1.16, 50/Box 200/Case

$162.86 per CASE

Special Order Item
BD  #381447

BD #381447, Insyte Autoguard BC Shielded IV Catheter, Green, Non Winged, 50/Box, 4 Box/CS

$558.13 per CASE

Special Order Item
Terumo #SR*FNP1832

Terumo #SR*FNP1832, IV Catheter 18gx1-1/4" Surflash Safety 50/Bx, 4 BX/CA

$113.08 per BOX

Special Order Item
BD  #381147

BD #381147, CATHETER IV ANGIOCATH STERILE 18GX1.88 GREEN 200/CS

$240.00 per CASE

Special Order Item
Smiths Medical #335503

Smiths Medical #335503, Catheter IV 18gx1-1/4" Acuvnce 200/CS

$624.00 EACH

Special Order Item
B Braun #4252561-02

B Braun #4252561-02, Introcan Safety IV Catheter 18 Ga. x 2.5 in., FEP, Straight, 50/BX

$576.53 per CASE

Special Order Item
Smiths Medical #307500

Smiths Medical #307500, Catheter Protective IV 18G 200/CS

$485.33 per CASE

Special Order Item
B Braun #4251679-02

B Braun #4251679-02, Introcan Safety IV Catheter 18 Ga. x 1.75 in., PUR, Straight, 200/CS

$619.17 per CASE

Special Order Item

How Does an 18 Gauge IV Needle Work?

Insertion of an 18 gauge IV needle will usually begin with the patient either seated or lying down with one of their arms exposed. The doctor or nurse will then identify an injection site on the patient's arm (or elsewhere around the body) and will clean the area. They then usually tie a tourniquet above the area to limit the flow of blood before inserting the IV needle into the vein. The needle punctures the skin and is connected to a cannula, which is then inserted into the vein by sliding over the needle. The cannula can then be secured in position and used for infusion therapy via a connected catheter or IV line.

18G IV Needle Sizes 

The main distinguishing characteristic of 18 gauge IV needles is that they are exactly 18 gauge in terms of the diameter of the needle hole. These needles are very precisely manufactured to meet the 18 gauge standard. There are other sizes of IV needles out there, including 16 gauge, which is slightly larger than 18 gauge, and 20-30 gauge needles, too.

18G IV Needle Types

In terms of type, 18 gauge IV needles are all very similar in their shape and design. They may have slightly different color coding or attachments, depending on the manufacturer, but they're all very similar overall.

18G IV Needle Uses

The main function of an 18 gauge IV needle is to puncture the skin to allow insertion of a cannula or IV line. Due to the relatively large size of these needles, they're commonly used for administering blood, delivering fluids to the body at a rapid rate, and for intramuscular injections.

18G IV Needle Suppliers

Smiths Medical, Nipro, and B Braun are among the leading suppliers of 18 gauge IV needles.

Buy Wholesale 18 Gauge IV Needles Online at CIA Medical

CIA Medical is a leading name in the world of wholesale medical supplies. We offer a huge range of medical goods, including 18 gauge IV needles and many other infusion and IV supplies and accessories, all at the most competitive prices. You can count on CIA Medical to provide top quality goods and professional service for every customer.