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The instruments and equipment used to transport the sick and the injured and to administer first aid.

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Instrument used to inject or remove a liquid substance.

Support for the index and the middle finger while the thumb pushes down on the thumb rest.

Device pressed or pulled to operate the plunger.

Cylindrical stem that slides up and down the hollow barrel; its movement draws in or expels liquid.

The divisions inscribed on the syringe; they constitute units of volume.

Piece of rubber connected to a plunger; the rubber adheres to the sides of the barrel so that a liquid can be removed or injected.

Nut-shaped end of the syringe; it fits inside the needle hub.

Piece of plastic at the base of the needle; it fits into the Luer-Lock tip.

The oblique tip of the syringe.

Reservoir that creates a vacuum so that a liquid can be removed or injected.

Device that covers the Luer-Lock tip when the needle hub is not inserted into the syringe.

Hollow bevel-tipped metal stem that is covered with a needle hub; it is used for intravenous and subcutaneous injections and sampling.