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  2. Suture materials comparison chart - Wikipedia

    en.wikipedia.org/wiki/Suture_materials...

    The following table compares some of the most common adsorbable sutures. Plain catgut. Chromic catgut. Polyglycolide. (P.G.A.) Polydioxanone (PDS) Description. Adsorbable biological suture material. Plain is an adsorbable suture made by twisting together strands of purified collagen taken from bovine intestines.

  3. 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. There are numerous types of suture which differ by needle shape and size as well as thread material ...

  4. Surgical instrument - Wikipedia

    en.wikipedia.org/wiki/Surgical_instrument

    Surgical instrument. A surgical instrument is a medical device for performing specific actions or carrying out desired effects during a surgery or operation, such as modifying biological tissue, or to provide access for viewing it. [1] Over time, many different kinds of surgical instruments and tools have been invented.

  5. French catheter scale - Wikipedia

    en.wikipedia.org/wiki/French_catheter_scale

    The Charrière is measured by the ''outer'' diameter, and is defined as 1 Fr = 1/3 mm, and thus 1 mm = 3 Fr; therefore the diameter of a round catheter in millimetres can be determined by dividing the French size by 3. [2] The French units roughly correspond to the outer circumference of the catheter (see table below).

  6. Vertical mattress stitch - Wikipedia

    en.wikipedia.org/wiki/Vertical_mattress_stitch

    Vertical mattress stitch. All bites are in the same vertical plane. The vertical mattress stitch, often called vertical Donati stitch (named after the Italian surgeon Mario Donati), [1] is a suture type used to close skin wounds. The advantages of the vertical mattress suture are that it provides closure for both deep and superficial layers ...

  7. Catgut suture - Wikipedia

    en.wikipedia.org/wiki/Catgut_suture

    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.

  8. Manual small incision cataract surgery - Wikipedia

    en.wikipedia.org/wiki/Manual_small_incision...

    Kratz described the tunnel as an astigmatically neutral way of accessing the anterior chamber. In 1984, B. H. Thrasher et al. showed that incision position relative to the limbus has a strong effect on surgically induced astigmatism, as a 9 mm posterior incision induces less astigmatism than a 6 mm limbal incision. [1]

  9. Polyglycolide - Wikipedia

    en.wikipedia.org/wiki/Polyglycolide

    Elderly, anemic and malnourished patients may absorb the suture more quickly. Its color is either violet or undyed and it is sold in sizes USP 6-0 (1 metric) to USP 2 (5 metric). It has the advantages of high initial tensile strength, smooth passage through tissue, easy handling, excellent knotting ability, and secure knot tying.

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