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Common handheld surgical retractors. A retractor is a surgical instrument used to separate the edges of a surgical incision/wound or to hold away certain organs and tissues (i.e. to provide tissue retraction) so that body parts underneath may be accessed during surgical operations.
There are several synonyms that refer to human positioning, often used interchangeably, but having specific nuances of meaning. [1] Position is a general term for a configuration of the human body. Posture means an intentionally or habitually assumed position. Pose implies an artistic, aesthetic, athletic, or spiritual intention of the position.
They are wrapped around the wrists or ankles, and tied to the side of a bed, to prevent self-harm and harm to medical staff. Handcuffs are an example of a limb restraint. Mittens to prevent scratching are common for newborns, but may also be used on psychiatric patients or patients who manage to use their hands to undo limb restraints.
Alien hand movement in the posterior variant may show a typical posture, sometimes referred to as a "parietal hand" or the "instinctive avoidance reaction" (a term introduced by neurologist Derek Denny-Brown as an inverse form of the "magnetic apraxia" seen in the frontal variant, as noted above), in which the digits move into a highly extended ...
Hand – A hand is a prehensile, multi-fingered appendage located at the end of the forearm or forelimb of primates. The human hand normally has five digits: four fingers plus one thumb ; [ 201 ] [ 202 ] these are often referred to collectively as five fingers, however, whereby the thumb is included as one of the fingers.
Examples: The thumb is on the radial side of the hand (the same as saying the lateral side); the ulnar side of the wrist is the side toward the little finger (medial side). Ventral and dorsal , which describe structures derived from the front (ventral) and back (dorsal) of the embryo , before limb rotation.
Medical gloves are disposable gloves used during medical examinations and procedures to help prevent cross-contamination between caregivers and patients. [1] Medical gloves are made of different polymers including latex , nitrile rubber , polyvinyl chloride and neoprene ; they come unpowdered, or powdered with corn starch to lubricate the ...
Eponymous medical signs are those that are named after a person or persons, usually the physicians who first described them, but occasionally named after a famous patient. This list includes other eponymous entities of diagnostic significance; i.e. tests, reflexes, etc.