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Surgical Instruments And How To Not Waste Time With Needle Holders
Author : Marshall Black
Submitted : 2012-01-03 20:03:48 Word Count : 870 Popularity: 2
Tags: surgical instruments, needle holders, medical
There are 2 variables: the angle of the needle in the holder, and the way the needle holder is being grabed. The angle of the needle can be perpendicular, obtuse, acute or parallel to the holder's grasp. If a needle is placed perpendicular to the needle holder, the needle can be driven through tissue by merely rotating the holder on its axis; this manipulation that gives no added on space. If, instead a needle is located at an oblique or obtuse angle to the holder, the handles must move through a wide arc to follow the curve of the needle while advancing it through tissue. Regrettably, in hard to get to areas where temptation arises to use a non-perpendicular needle attitude to direct the needle, there is less of a space to lead the holders handles through the aporant arc. In most cases, it is more easy to maneuver a perpendicular needle to the proper attitude than to struggle maneuvering the handles through a wide arc to drive an obtuse or acute angle needle through the tissue. Few situations exist where there is advantage in placing the needle right through the tissue. Minor situations occur where there is an advantage by putting the needle at an acute or obtuse angle to the needle holder. The more expert the surgeon is with his surgical instruments, the less the need for weird needle positions and curved needle holders.
A third attitude of the needle is with the plane of its curve parallel to the handles, "hooking" is very useful down in a deep wound when one must sew layers parallel to the surface. Doing it like this gives ease to the point and requires only a push or a pull to drive the needle through tissue. Such a maneuver uses very little or no space in handle manipulation, in comparasion to oblique attitudes.
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