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2. Birmingham gauge - Wikipedia

   en.wikipedia.org/wiki/Birmingham_gauge

   The Birmingham gauge ranges from 5/0 or 00000, the lowest gauge number corresponding to the largest size of 0.500 inches (12.7 mm), to 36, the highest gauge number corresponding to the smallest size of 0.004 inches (0.10 mm). The increments between gauge sizes are not linear and vary. [2]

3. Winged infusion set - Wikipedia

   en.wikipedia.org/wiki/Winged_infusion_set

   When the needle enters the vein, venous blood pressure generally forces a small amount of blood into the set's transparent tubing providing a visual sign, called the "flash" or "flashback", that lets the practitioner know that the needle is actually inside of a vein. The butterfly offers advantages over a simple straight needle. The butterfly's ...

4. Subcutaneous administration - Wikipedia

   en.wikipedia.org/wiki/Subcutaneous_administration

   The gauge of the needle used can range from 25 gauge to 27 gauge, while the length can vary between 1 ⁄ 2-inch to 5 ⁄ 8-inch for injections using a syringe and needle. [ 3 ] : 722 For subcutaneous injections delivered using devices such as injector pens , the needle used may be as thin as 34 gauge (commonly 30–32 gauge), and as short as 3 ...

5. Needle gauge comparison chart - Wikipedia

   en.wikipedia.org/?title=Needle_gauge_comparison...

   What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Cite this page; Get shortened URL; Download QR code; Wikidata item

6. French catheter scale - Wikipedia

   en.wikipedia.org/wiki/French_catheter_scale

   For instance, a two-way catheter of 20 Fr and a three-way catheter of 20 Fr have the same outer diameter, but the three-way catheter has an additional channel for irrigation, reducing the size of its drainage channel. The French gauge system was devised by Joseph-Frédéric-Benoît Charrière, a 19th-century Parisian surgical instrument maker. [3]

7. Venipuncture - Wikipedia

   en.wikipedia.org/wiki/Venipuncture

   The needle protrudes through the end of the tube holder, and has a needle on each end. After first cleaning the venipuncture site and applying a tourniquet, the phlebotomist uncaps the needle attached to the tube holder, inserts the needle into the vein, then slides evacuated tubes into the tube holder, where the tube's stopper is pierced by ...

8. Cannula - Wikipedia

   en.wikipedia.org/wiki/Cannula

   Its size mainly ranges from 14 to 26 [2] gauge. Different-sized cannula have different colours as coded. Different-sized cannula have different colours as coded. Decannulation is the permanent removal of a cannula ( extubation ), [ 3 ] especially of a tracheostomy [ 4 ] cannula, once a physician determines it is no longer needed for breathing.

9. Hypodermic needle - Wikipedia

   en.wikipedia.org/wiki/Hypodermic_needle

   Various needle lengths are available for any given gauge. Needles in common medical use range from 7 gauge (the largest) to 34 (the smallest). 21-gauge needles are most commonly used for drawing blood for testing purposes, and 16- or 17-gauge needles are most commonly used for blood donation, as the larger luminal cross-sectional area results ...