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  2. 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]

  3. 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]

  4. Cystoscopy - Wikipedia

    en.wikipedia.org/wiki/Cystoscopy

    Rigid cystoscopy can be performed under the same conditions, but is generally carried out under general anesthesia, particularly in male subjects, due to the pain caused by the probe. The sizes of the sheath of the rigid cystoscope are 17 French gauge (5.7 mm diameter), 19 Fr gauge (6.3 mm diameter), and 22 Fr gauge (7.3 mm diameter).

  5. Surgical suture - Wikipedia

    en.wikipedia.org/wiki/Surgical_suture

    A surgical suture, also known as a stitch or stitches, is a medical device used to hold body tissues together and approximate wound edges after an injury or surgery. Application generally involves using a needle with an attached length of thread .

  6. Hypodermic needle - Wikipedia

    en.wikipedia.org/wiki/Hypodermic_needle

    Pravaz designed a hypodermic needle measuring 3 cm (1.18 in) long and 5 mm (0.2 in) in diameter; it was made entirely of silver. [ citation needed ] Charles Hunter , a London surgeon, is credited with the coining of the term "hypodermic" to describe subcutaneous injection in 1858.

  7. Jackson-Pratt drain - Wikipedia

    en.wikipedia.org/wiki/Jackson-Pratt_drain

    A Jackson-Pratt drain (also called a JP drain) is a closed-suction medical device that is commonly used as a post-operative drain for collecting bodily fluids from surgical sites. The device consists of an internal drain connected to a grenade-shaped bulb or circular cylinder via plastic tubing. [1]

  8. Veress needle - Wikipedia

    en.wikipedia.org/wiki/Veress_needle

    Modern needles are 12 to 15 cm long, with an external diameter of 2 mm. The outer cannula consists of a beveled needle point for cutting through tissues of the abdominal wall. A spring-loaded, inner stylet is positioned within the outer cannula. This inner stylet has a dull tip to protect any viscera from injury by the sharp, outer cannula.

  9. Tygon tubing - Wikipedia

    en.wikipedia.org/wiki/Tygon_Tubing

    Tygon Fuel and Lubricant Tubing F-4040-A is translucent yellow for positive identification and flow monitoring. It is used in small engine fuel lines, recreational vehicles, and lubrication lines. Tygon LP1100 is a low permeation EPA and CARB certified fuel line [4] also used in small engines. Tygon R-3400 UV Resistant Tubing is