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The earliest Chinese oil lamps are dated from the Warring States period (481–221 BC). The ancient Chinese created oil lamps with a refillable reservoir and a fibrous wick, giving the lamp a controlled flame. Lamps were constructed from jade, bronze, ceramic, wood, stone, and other materials. The largest oil lamp excavated so far is one ...
Other stitches or suturing techniques include: Purse-string suture, a continuous, circular inverting suture which is made to secure apposition of the edges of a surgical or traumatic wound. [13] [14] Figure-of-eight stitch; Subcuticular stitch. A continuous suture where the needle enters and exits the epidermis along the plane of the skin.
Catgut sutures were used by the ancient Romans as early as the 2nd century CE. [138] [139] [140] They also used sutures with metallic hooks. [109] Celsus discusses other kinds of suturing techniques in his medical literature. He wrote that the wounds were to be stitched up. Roman doctors used linen, wool, silk, hair, and clips to seal wounds.
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The vertical mattress stitch is most commonly used in anatomic locations which tend to invert, such as the posterior aspect of the neck, and sites of greater skin laxity such as the closure of lax skin after removing a dermoid cyst or reduced subcutaneous tissue (e.g., the shin) that do not provide adequate subcutaneous tissue for dermal closure. [6]
A photographer travels back to Russia to see how the deadly flesh eating drug, Krokodil, has affected the life of a recovering drug addict. The Lingering Effects of Krokodil [Video] Skip to main ...
Blumenthal side cuts are short cuts at the ends of a straight incision which angle obliquely away from the cornea. This induces minimal astigmatism and is used for a wide tunnel. [1] A "smile" incision is parallel to the edge of the cornea. It is an easy incision but induces more astigmatism and is more prone to separation. [1]
(Reuters) - Military bloggers on Friday reported that Russian forces were moving closer to capturing a major town on the eastern front in the war in Ukraine as part of their drive westward to ...