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Orthopedic screw
A polyaxial screw is used for connecting vertebrae to rods in spinal surgery, particularly spinal fusion procedures. It is a type of screw whose spherical
Polyaxial_screw
Medical specialty of disorders which affect any portion of the nervous system
health subspecialty List of neurologists and neurosurgeons Polyaxial screw – Orthopedic screw "Neurological Surgery Specialty Description". American Medical
Neurosurgery
they are held together with the help of internal fixators such as plates, screws, nails, pins, and wires. Austin-Moore prosthesis[broken anchor] for fracture
List_of_orthopedic_implants
German surgeon
Richter, M; Droste, P; Goesling, T; Zech, S; Krettek, C (2006). "Polyaxially-locked plate screws increase stability of fracture fixation in an experimental
Martinus_Richter
POLYAXIAL SCREW
POLYAXIAL SCREW
Boy/Male
Hindu
Air screw, Stimulator
Boy/Male
Tamil
Air screw, Stimulator
POLYAXIAL SCREW
POLYAXIAL SCREW
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POLYAXIAL SCREW
POLYAXIAL SCREW
n.
Specifically, a kind of nail with a spiral thread and a head with a nick to receive the end of the screw-driver. Screws are much used to hold together pieces of wood or to fasten something; -- called also wood screws, and screw nails. See also Screw bolt, below.
n.
Anything shaped or acting like a screw; esp., a form of wheel for propelling steam vessels. It is placed at the stern, and furnished with blades having helicoidal surfaces to act against the water in the manner of a screw. See Screw propeller, below.
v. t.
To force; to squeeze; to press, as by screws.
p. pr. & vb. n.
of Screw
n.
One who, or that which, screws.
a.
Adapted for forming a screw by cutting; as, a screw-cutting lathe.
a.
Situated behind any transverse axis in the body of an animal; caudal; posterior; especially, behind, or on the caudal or posterior (that is, ulnar or fibular) side of, the axis of a vertebrate limb.
n.
An amphipod crustacean; as, the skeleton screw (Caprella). See Sand screw, under Sand.
n.
A tool for turning screws so as to drive them into their place. It has a thin end which enters the nick in the head of the screw.
imp. & p. p.
of Screw
n.
A steam vesel propelled by a screw instead of wheels; a screw steamer; a propeller.
v. i.
To turn one's self uneasily with a twisting motion; as, he screws about in his chair.
v. t.
To twist; to distort; as, to screw his visage.
v. t.
To turn, as a screw; to apply a screw to; to press, fasten, or make firm, by means of a screw or screws; as, to screw a lock on a door; to screw a press.
n.
A cylinder, or a cylindrical perforation, having a continuous rib, called the thread, winding round it spirally at a constant inclination, so as to leave a continuous spiral groove between one turn and the next, -- used chiefly for producing, when revolved, motion or pressure in the direction of its axis, by the sliding of the threads of the cylinder in the grooves between the threads of the perforation adapted to it, the former being distinguished as the external, or male screw, or, more usually the screw; the latter as the internal, or female screw, or, more usually, the nut.
n.
The postaxial bone of the forearm, or branchium, corresponding to the fibula of the hind limb. See Radius.