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Medicine: "Microsurgery: Sew Small" - Paper

Medicine: "Microsurgery: Sew Small"



A man came into the emergency ward at one o'clock. His thumb came in an
hour later. The surgeon's job: get them back together.
The successful re-attaching of fingers to hand requires long hours of
painstaking work in microsurgery. In the operating room , the surgeon
doesn't stand, but sits in a chair that supports her body. Her arm is
cradled by a pillow. Scalpels are present as are other standard surgical
tools, but the suture threads are almost invisible, the needle thinner
than a human hair. And all the surgical activity revolves around the
most important instument, the microscope.

The surgeon will spend the next few hours looking through the microscope
at broken blood vessels and ...

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But in the
1960s, surgeon's began using microscopes to sew what previously had been
almost invisible blood vessels and nerves in limbs. Their sewing
technique had been developed on large blood vessels over a half century
earlier but could not be used in microsurgery until the needles and
sutures became small enough. The surgical technique, still widely used
today, had taken the frustrating unreliability out of sewing slippery,
round-ended blood vessels by ingeniously turning them into triangles. To
do this, a cut end of a blood vessel was stitched at three equidistant
points and pulled slightly apart to give an anchored, triangular shape.
This now lent itself to easier, more dependable stitching and paved the
way for microsurgery where as many as twenty stitches will have to be made
in a blood vessel three millimetres thick. The needle used for this can
be just 70 millimetres wide, only ten times the width of a human blood
cell.

All this technology is focused on getting body ...

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Medicine: "Microsurgery: Sew Small". (2005, September 2). Retrieved December 23, 2024, from http://www.essayworld.com/essays/Medicine-Microsurgery-Sew-Small/32664
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"Medicine: "Microsurgery: Sew Small"." Essayworld.com. September 2, 2005. Accessed December 23, 2024. http://www.essayworld.com/essays/Medicine-Microsurgery-Sew-Small/32664.
"Medicine: "Microsurgery: Sew Small"." Essayworld.com. September 2, 2005. Accessed December 23, 2024. http://www.essayworld.com/essays/Medicine-Microsurgery-Sew-Small/32664.
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PAPER DETAILS
Added: 9/2/2005 09:32:36 PM
Category: Health & Medicine
Type: Free Paper
Words: 893
Pages: 4

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