Search results
Results from the WOW.Com Content Network
shown above. [edit on Wikidata] 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. There are numerous types of suture which differ by needle shape and ...
An increasing French size corresponds to a larger external diameter. This is contrary to Birmingham gauge, where an increasing gauge corresponds to a smaller diameter needle. The French size is a measure of the outer diameter of a catheter (not internal drainage channel, or inner diameter). So, for example, if a two-way catheter of 20 Fr is ...
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.
Surgical suture on needle holders. Catgut suture is a type of surgical suture made of twisted strands of purified collagen taken from the small intestine of domesticated ruminants or beef tendon. It is naturally degraded by the body's own proteolytic enzymes. Full tensile strength remains for at least 7 days, and absorption is complete by 90 days.
A sewing machine needle is a specialized needle for use in a sewing machine. A sewing machine needle consists of: [1] shank - clamped by the sewing machine's needle holder. shoulder - where the thick shank tapers down to the shaft. shaft - a length suitable for driving the eye and thread through the material and down to the bobbin.
Emergency medicine, Infectious disease. A needlestick injury is the penetration of the skin by a hypodermic needle or other sharp object that has been in contact with blood, tissue or other body fluids before the exposure. [1] Even though the acute physiological effects of a needlestick injury are generally negligible, these injuries can lead ...
Meaning Origin language and etymology Example(s) dacry(o)-of or pertaining to tears: Greek δάκρυ, tear dacryoadenitis, dacryocystitis-dactyl(o)-of or pertaining to a finger, toe Greek δάκτυλος (dáktulos), finger, toe dactylology, polydactyly: de-from, down, or away from Latin de-dehydrate, demonetize, demotion dent-
Sewing needle. A sewing needle. A sewing needle, used for hand- sewing, is a long slender tool with a pointed tip at one end and a hole (or eye) to hold the sewing thread. The earliest needles were made of bone or wood; modern needles are manufactured from high carbon steel wire and are nickel - or 18K gold -plated for corrosion resistance.