Hypodermic Needle

What is Hypodermic Needle?

A hypodermic needle is a hollow needle that is used in medical procedures to inject medications or fluids directly into the body or to withdraw fluids or blood for analysis. It is commonly used in vaccinations, administering medication, or taking blood samples. Hypodermic needles come in different sizes, ranging from small, thin needles for delicate procedures to larger needles for thicker substances. These needles are typically made of stainless steel and are designed to minimize discomfort or pain during the procedure.

Hypodermic Injection Needle

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Ravine is a professional manufacturer and exporter that is concernd with the design, development and production , medical devices, healthcare products, cosmetics and etc. Enterprise concept of "respect, integrity, innovation, persistence" has enabled us to meet customers’ requirements, no matter they are importers or retailers.
Ravine cooperate with Westlake university and other top scientific research institutes to develop high quality products. All of our products comply with international quality standards and are greatly appreciated in a variety of different market throughout the world. Our team has over 20 years export experience, we have good patience and enthusiasm to serve every customer.

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Benefits of Hypodermic Needle

01/

Easy and accurate administration of medication.

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Lower likelihood of complications and side effects due to precise dosing.

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Effective for administering vaccines and other injections for disease prevention.

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Allows for delivery of medication into the bloodstream or muscle tissue.

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Often used for diagnostic purposes, such as drawing blood samples for laboratory tests.

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Can be sterilized for safe reuse.

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Can be used for regional anesthesia to numb specific areas of the body or for pain management.

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Helps prevent the spread of communicable diseases through safe, sterile use.

Types of Hypodermic Needle

Standard hypodermic needles
These are the most commonly used needles, with a varying gauge (thickness) ranging from 18 to 32 and a length of 1/2 inch to 1 1/2 inches.

Insulin needles
These are shorter and thinner than standard needles, with a gauge of between 27 and 31 and a length of 5/16 inch to 1/2 inch. They are specifically used for administering insulin injections.

Tuberculin needles
These needles are longer and thinner than standard needles, with a gauge of 25 and a length of 5/8 inch. They are used for administering small doses of medication or for skin testing.

IV catheters
These are larger needles that are used for IV infusions and blood draws. They come in sizes ranging from 14 to 24 gauge and are typically 1 1/4 inch to 2 inches in length.

Spinal needles
These needles are longer and thicker than standard needles, with a gauge ranging from 22 to 27 and a length of 3 1/2 to 5 inches. They are used for spinal taps and spinal anesthesia.

Butterfly needles
These are short, thin needles with two wings that are used for drawing blood or accessing veins. They are typically a 23 or 25 gauge and range in length from 1/2 inch to 3/4 inch.

Filter needles
These are needles with a filter at the tip that is used to remove particles or debris from medication before it is administered. They come in various sizes and lengths.

Material of Hypodermic Needle

Hypodermic needles are normally made from a stainless-steel or Niobium tube through a process known as tube drawing where the tube is drawn through progressively smaller dies to make the needle. The end of the needle is bevelled to create a sharp pointed tip, letting the needle easily penetrate the skin.

Application of Hypodermic Needle

The hypodermic needle is primarily used for delivering medication or fluids subcutaneously (under the skin), intravenously (into the vein), or intramuscularly (into the muscle). It is commonly used in healthcare settings for injections, blood draws, and other medical procedures. The use of hypodermic needles has revolutionized the medical field, allowing for precise and efficient delivery of medication and treatment. They are also used in veterinary medicine and in the laboratory for research purposes. Improved technology has led to the development of smaller and thinner needles, making injections less painful and reducing the risk of infections.

Process of Hypodermic Needle

The production process for hypodermic needles involves several steps, including selecting the appropriate stainless steel material, cutting needle tubes to specific lengths, grinding and polishing the needle tips, assembling the needle with a syringe or injection device, sterilizing the final product, and packaging the needles for medical use.

Components of Hypodermic Needle

Cannula

This is the hollow needle part of the hypodermic needle, which is used to pierce the skin and inject or withdraw fluids.

Hub

This is the part of the needle that attaches to the syringe or other device for fluid administration.

Bevel

This is the slanted tip of the needle, which is designed to reduce the resistance when piercing the skin.

Shaft

This is the long, thin portion of the needle that connects the hub to the cannula.

Lumen

This is the hollow space inside the needle through which fluids are injected or withdrawn.

Point

This is the sharpened tip of the cannula.

Flange

This is a flat rim at the base of the hub, which is used to hold the needle steady during injection or withdrawal.

Protective cap

This is a plastic or metal cover that is placed over the needle to prevent accidental injury and contamination when the needle is not in use.

How to Use a Hypodermic Needle

Connect the hypodermic needle tip to a suitable syringe (via a luer lock or luer slip adapter).

Ensure the plunger is pushed forward. This ensures the correct substance is drawn and no air enters the syringe.

Insert the needle & syringe into the fluid substance (medication) or directly into the patient if taking blood.

Slowly & carefully pull back the syringe plunger, to extract blood or fill the syringe with fluid.

To dispense fluid, place the needle into the patient at a 45-90 degree angle (in the correct area/zone), slowly & carefully pushing the plunger forward.

Dispose of the syringe & needle appropriately (in the correct sharps waste containers, based on what medication & substances the needle and syringe have come in contact with).

How to Maintain Hypodermic Needle?

Clean the needle properly

After using the needle, clean it thoroughly with an alcohol swab. If the needle has been exposed to blood or other body fluids, be sure to sanitize it in a solution of 1 part bleach to 10 parts water for 30 minutes.

Store the needle carefully

Store needles in a clean, dry place, preferably in a puncture-proof container. This will help to prevent accidental needle-stick injuries and keep them clean and sharp.

Check the needle for damage

Before using a needle, inspect it carefully to ensure that it is not bent or damaged in any way. Damaged needles can break during use, causing injury.

Use the right needle for the job

Different needles are designed for different purposes, so always use the needle that is appropriate for the task at hand. For example, a hypodermic needle is not suitable for drawing up medication from a vial with a rubber stopper, as it can easily blunt the needle.

Dispose of needles properly

Never reuse needles. Once a needle has been used, dispose of it in a puncture-proof container. Do not throw needles in the trash, as they can pose a danger to others.

How do Hypodermic Needles Work?

Hypodermic needles are mostly used to inject medication or extract fluids from the body. The needle is a small, hollow tube made of stainless steel. The sharp tip of the needle is designed to penetrate through the skin, while the other end is attached to a syringe that contains the medication or fluid to be administered.

When the needle is inserted into the skin, it creates a small opening through which the medication or fluid can enter or leave the body. The needle is designed to create as little damage as possible to the surrounding tissue, so it is made to be as thin as possible while still being strong enough to penetrate the skin.

The size of the needle is usually measured by its gauge or thickness. The lower the gauge number, the thicker the needle. Thicker needles are often used to extract thicker fluids, while thinner needles are used for more delicate procedures where less damage to the tissue is desired.

Hypodermic needles work by delivering the desired medication or extracting fluids from the body with precision, allowing for accurate dosing and effective treatment. They have revolutionized medicine and made a wide range of medical procedures possible.

How to Choose Hypodermic Needle

Needle size

The size of the needle refers to its overall length and diameter. Needle sizes typically range from 18 to 30 gauge. The larger the gauge number, the smaller the needle diameter. The size of the needle will depend on the type of injection, the medication being administered, and the size and age of the patient. For larger doses, a longer needle may be required.

Needle length

The length of the needle will vary depending on the injection site and the depth of the tissue being penetrated. Intramuscular injections usually require longer needles than subcutaneous or intravenous injections.

Needle gauge

The gauge of the needle is an important factor to consider. A smaller gauge needle may be less painful for the patient and may be easier to use for subcutaneous or intravenous injections. Larger gauge needles may be necessary for thicker and more viscous medication.

Type of needle

The type of needle you choose will depend on the type of injection being administered. A blunt tip needle may be used for drawing medication from a vial or for injecting medication into a port or hub. A sharp tip needle may be used for injecting medication into the tissue.

Sterilization

It is important to choose a sterile needle to ensure the injection site does not become infected. Needles may be single-use or multi-use. Be sure to dispose of single-use needles appropriately and sterilize multi-use needles after each use.

Patient preference

It is also important to consider the patient's preference. For example, some patients may have a fear of needles or experience pain during the injection. In these cases, using a smaller gauge needle may be beneficial.

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Our factory

Ravine cooperate with Westlake university and other top scientific research institutes to develop high quality products. All of our products comply with international quality standards and are greatly appreciated in a variety of different market throughout the world. Our team has over 20 years export experience, we have good patience and enthusiasm to serve every customer.

FAQ

Q: What is a hypodermic needle used for?

A: Hypodermic (hypo – under, dermic – the skin) needles are hollow needles to inject substances into the body or extract fluids from the body, such as extracting blood from a vein.

Q: What is the difference between a syringe and a hypodermic needle?

A: What is the difference between a syringe and a hypodermic needle? As nouns, a syringe is different from a hypodermic injection in that a syringe is a device for injection or to draw out liquid through the membrane whereas a hypodermic injection is a hypodermic syringe, needle or injection.

Q: What is the difference between hypodermic and intramuscular needles?

A: There are 3 types of hypodermic injections. Subcutaneous ones go into the fat layer under the skin. Intramuscular ones are administered into the muscle. Intradermal ones only pierce as far as the dermal layer right below the skin.

Q: What are the 3 types of hypodermic injections?

A: The three main routes are intradermal (ID) injection, subcutaneous (SC) injection and intramuscular (IM) injection. Each type targets a different skin layer: Subcutaneous injections are administered in the fat layer, underneath the skin. Intramuscular injections are delivered into the muscle.

Q: What does a hypodermic needle look like?

A: Moreover, their shapes are hollow tube-like and have sharp tips. It is named a hypodermic needle because there was a surgeon who discovered the term hypodermic in 1858. He invented this unique word to define and elaborate on the term injection. He was Charles Hunter, a great surgeon from London.

Q: What does hypodermic mean in medical terms?

A: Adapted for use in or administered by injection beneath the skin.

Q: What gauge is a hypodermic needle?

A: Hypodermic needle gauges come in a broad range of sizes, usually between 14-gauge (thickest) and 30-gauge (thinnest). The specific gauge needed depends on the type of injection and the patient's individual needs.

Q: Are hypodermic needles magnetic?

A: The reason is that non-magnetic stainless steel is a relatively poor conductor of electric current and has no magnetic properties and therefore not detectable. The stainless steel used in hypodermic needles is typically austenitic 304 stainless steel, and therefore not detectable.

Q: Where is a hypodermic injection given?

A: At least 3 inches (7.5 centimeters) below your shoulder and 3 inches (7.5 centimeters) above your elbow, on the side or back. Outer side of upper thighs. Belly area. Below your ribs and above your hip bones, at least 2 inches (5 centimeters) away from your belly button.

Q: Why are hypodermic needles different sizes?

A: Longer needles (½ inch or longer) are commonly used for intramuscular injections, while shorter (shorter than ½ inch) needles are more often used for intravenous injections. Different sized needles are used for different purposes.

Q: How long is a hypodermic needle?

A: A variety of options for hypodermic needles are available: Length: A typical range is from 0.5 to 5 or more inches; the length required is application-dependent.

Q: What is the smallest hypodermic needle?

A: The 34G hypodermic needles are the smallest size available on the market. These are best used for very superficial injections and punctures to the epidermis.

Q: Can you reuse hypodermic needles?

A: Sterility and your safety. Pen and insulin syringe needles are designed for single use, and should only be used once—they are no longer sterile after use.

Q: How are hypodermic needles stored?

A: Security of syringes and needles Hypodermic syringes and needles must be stored in a locked, secure place. Spring or combination dial locks cannot be used to secure syringes and needles against unauthorized access.

Q: How do you use a hypodermic needle pressure gauge?

A: Insert the needle into the blast hose at a 45° angle, about six inches (150mm) behind the nozzle holder, with the tip of the needle pointing toward the nozzle. The needle should pen- etrate enough to position the tip into the center of the air stream. The gauge will register the act- ual pressure at the nozzle.

Q: Are hypodermic needles sterile?

A: Sterility: Available in sterile (often individually packaged), nonsterile; may be autoclavable.

Q: Can hypodermic needles break?

A: The use of needles is essential in most medical procedures and surgery; however, needle breakage is not known to happen very frequently. Even if it does, it is most likely to occur during dental procedures, sutures, aspiration, biopsy, anesthesia, and drug abuse.

Q: What are hypodermic needles made of?

A: Today's hypodermic needles are hollow devices made from flat sheets of stainless steel heated to achieve pliability. Fabrication then occurs by rolling stainless steel strips into a tubular shape and using a laser to weld the two seams.

Q: How are hypodermic needles measured?

A: The gauge (abbreviated as “G”) of a needle refers to the size of the hole in the needle. The higher the gauge, the smaller the hole. Needles come in various gauges and lengths. The length of a needle is listed after the gauge number.

Q: Why do hypodermic needles hurt?

A: In addition, the mechanics of needle insertion has been found to significantly affect pain. Both the force and the mechanical workload (i.e., area under the force-displacement curve) of hypodermic needle insertion have been found to positively correlate with the frequency of pain.

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Hypodermic Needle