: See also Hypodermic needle.

* Hypodermic needle

# REDIRECT Hypodermic needle

Hypodermic needles are normally made from a stainless-steel tube through a process known as tube drawing where the tube is drawn through progressively smaller dies to make the needle.

* Hypodermic needle

* Hypodermic needle

* Hypodermic needle model, a theory of a direct effect of the mass media on audiences

* Hypodermic needle model

* Hypodermic needle model or magic bullet theory, a model of communications in media theory

* Hypodermic needle

Hypodermic syringes are used with hypodermic needles to inject liquid or gases into body tissues, or to remove from the body.

Hypodermic needles are usually used by medical professionals ( physicians, nurses, paramedics ), but they are sometimes used by patients themselves.

Hypodermic needles are also used in recreational intravenous drug use.

Hypodermic syringe http :// www. usdoj. gov / dea / photos / paraphernalia / syringe. jpg

The writing mechanism may be a heated tip on the needle writing on heat-sensitive paper, or a hollow ink-fed pen.

The risk is greater if the needle in question is hollow and the puncture wound is deep.

A hollow needle is advanced through the skin until blood is aspirated ; the color of the blood and the rate of its flow help distinguish it from arterial blood ( suggesting that an artery has been accidentally punctured ), although this method is inaccurate.

This invention was called the Hyman Otor where a hollow needle is used to pass an insulated wire to the heart area to deliver the electrical shock.

The hollow steel needle acted as one end of the circuit and the tip of the insulated wire the other end.

The simplest form of intravenous access is by passing a hollow needle through the skin directly into the vein.

As a Governor of Dr Steevens ' Hospital in Dublin, in collaboration with Walter Stevenson he devised radiotherapy methods and promoted the establishment by the Royal Dublin Society of the Irish Radium Institute where they pioneered the " Dublin method " of using a hollow needle for deep radiotherapy, a technique that later entered worldwide use.

In the case of a mature female, the hollow, needle shaped part of each chelicera, the part that penetrates the skin, is approximately 1. 0 millimeter ( about 0. 04 in ) long, long enough to inject the venom to a point where it can be harmful.

As it is a hollow needle some of this can be carried into the next tube and contaminate it.

An alternative which is growing in practice is the use of a hollow piercing needle, as is done in body piercing.

For all ear piercings, the use of a sterilized hollow piercing needle tends to minimize the trauma to the tissue and minimize the chances of contracting a bacterial infection during the procedure.

A hypodermic needle ( from Greek ὑπο-( under -), and δέρμα ( skin )) is a hollow needle commonly used with a syringe to inject substances into the body or extract fluids from it.

The doctor inserts a small needle or a thin, hollow, plastic tube through the ribs in the back of the chest into the chest wall and draws fluid out of the chest.

* During thoracentesis, a needle or a thin, hollow, plastic tube is inserted through the ribs in the back of the chest into the chest wall.

A piece of thin brass was wrapped around a needle, forming a hollow cone.

U-2 pilot Francis Gary Powers was issued with a hollow silver dollar containing a tiny, saxitoxin-impregnated needle, to be used to commit suicide in case of capture by enemy forces.

An injection ( often referred to as a " shot " in US English, or a " jab " in UK English ) is an infusion method of putting fluid into the body, usually with a hollow needle and a syringe which is pierced through the skin to a sufficient depth for the material to be forced into the body.

A Tuohy needle is a hollow hypodermic needle, very slightly curved at the end, suitable for inserting epidural catheters.

To provide continuous epidural analgesia or anesthesia, a small hollow catheter may be threaded through the epidural needle into the epidural space, and left there while the needle is removed.

A king cobra skull ( Ophiophagus hannah ) Proteroglyphous snakes ( forward grooved ) have shortened maxillae bearing few teeth except for a substantially enlarged fang pointing downwards and completely folded around the venom channel, forming a hollow needle.

In this application, the charging of the battery deflects the needle to one side of the scale ( commonly, the right side ) and the discharging of the battery deflects the needle to the other side.

A simpler version exists, most commonly found on small motorcycles and dirt bikes, where the slide and needle is directly controlled by the throttle position.

Since the port must be accessed using a needle, if venous access is required on a frequent basis a catheter having external access is more commonly used.

Since the invention of the circular needle, they have been most commonly used to knit smaller tube-shaped pieces such as sleeves, collars, and socks.

The most commonly used are as follows: a 21g ( green top ) needle, a 22g ( black top ) needle, a 21g ( green label ) butterfly needle, a 23g ( blue label ) butterfly needle, and a 25g ( orange label ) butterfly needle ( however this needle is only used in pediatrics or extreme cases as it is so small that it can often result in hemolizing the blood sample, thereby invalidating the test ).

This first happened with hypodermic needles, but today many surgical instruments ( such as forceps, needle holders, and scalpel handles ) are commonly single-use rather than reusable items ( see waste autoclave ).

21-gauge needles are most commonly used for drawing blood for testing purposes, and 16-or 17-gauge needles are most commonly used for blood donation, as they are wide enough to allow red blood cells to pass through the needle without rupturing ( this also allows more blood to be collected in a shorter time ).

File: Roberts & Haghe Obelisk at Alexandria commonly called Cleopatra s needle. jpg | Obelisk at Alexandria Commonly Called Cleopatra's Needle Lithograph by Louis Haghe from an original by David Roberts.

Another suggestion is that the children's game thread the needle was commonly played there.

In sewing, thread ends are commonly wet by licking to make the fibres stick together and thus make threading them through the eye of a needle easier.

This would mean Matthew 19: 24 commonly translated as, ' It is easier for a camel to go through the eye of a needle than for a rich man to enter into the Kingdom of God.

It is commonly used in body piercing to hold the skin in place, and guide the needle through it.

Yucca filamentosa, leaf margin detailYucca filamentosa, commonly known as Adam's needle, is a medicinal plant native to eastern North America.

The exam is usually done under the fluoroscope, or less commonly ultrasound, to guide the needle into the correct place in the joint.