Angiography Catheter

What Is Angiography Catheter?

An angiography catheter is a thin, flexible tube used in medical procedures to visualize the blood vessels or organs of the body. It is typically used during a diagnostic test called angiography, where a contrast dye is injected through the catheter into the blood vessels to help identify any blockages or abnormalities. Angiography catheters can be guided through the body via a small incision or through an artery, vein, or other vessel, and can enable physicians to see inside the body and diagnose and treat a wide range of conditions. They are commonly made of materials such as plastic, silicone, or polyurethane, and come in a variety of sizes and shapes for different uses.

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Benefits of Angiography Catheter

Using an angiography catheter may eliminate the need for surgery. Catheter angiography presents a very detailed, clear and accurate picture of the blood vessels. By selecting the blood vessels through which the angiography catheter passes, it is possible to assess vessels in several specific body sites.

Accurate diagnosis
Angiography catheters enable doctors to visualize the blood vessels, identify blockages, and accurately diagnose conditions such as coronary artery disease, peripheral artery disease, or aneurysms.

Precise treatment
With the help of angiography catheters, doctors can perform a range of treatments such as balloon angioplasty, stent placement, or embolization to restore blood flow to affected areas or prevent bleeding.

Lower risk of complications
Angiography catheters are minimally invasive, which means there is a lower risk of complications such as bleeding, infection, or allergic reactions.

Shorter hospital stay
Angiography catheter procedures are typically outpatient procedures, which means patients can go home the same day or the day after the procedure.

Improved quality of life
By restoring blood flow to affected areas, angiography catheter procedures can improve symptoms such as chest pain, shortness of breath, or leg cramps, and ultimately improve a patient's quality of life.

Specifications of Angiography Catheter

An angiography catheter is a medical device used in radiographic imaging to visualize blood vessels and diagnose conditions in various parts of the body. The following are the specifications of an angiography catheter:

Material
Polyurethane and silicone are both commonly used materials for making angiography catheters. These materials are biocompatible, which means that they are not harmful or toxic to the human body, and they have good properties for medical applications, such as flexibility, durability, and resistance to fluids and chemicals. Polyurethane is a thermoplastic polymer that can be molded into a wide range of shapes and sizes and has good mechanical strength. Silicone is a type of rubber that can also be molded and has excellent biocompatibility, softness, and resistance to high temperatures and radiation. Both materials can be sterilized and are suitable for long-term use in the body.

Length
Length of an angiography catheter varies depending on its intended use and location of the body being imaged. Generally, catheters used for coronary angiography are about 100 cm (39.4 inches) long, while those used for cerebral angiography are around 130 cm (51 inches) long.

Diameter
Diameter refers to the width or thickness of an object or structure. In medical terminology, it typically refers to the size of a tube or catheter that is inserted into a patient's body for diagnostic or therapeutic purposes.
● The diameter of the angiography catheter ranges from 3F to 7F, with the most common sizes being 5F and 6F.
● The catheter allows for the injection of contrast material, which helps to visualize the blood vessels and identify any abnormalities or blockages.
● The size or diameter of the angiography catheter can vary depending on the intended use and the size of the blood vessels being examined.

Shape
Angiography catheters come in various shapes such:
● Straight catheters - These have a straight shaft and are used for accessing the larger blood vessels, such as the aorta.
● Pigtail catheters - These have a curved tip, which allows them to navigate through tortuous blood vessels. They are used for coronary angiography and ventriculography.
● Judkins catheters - These have a J-shaped tip and are used for selective angiography of the coronary arteries.
● Amplatz catheters - These have a straight or curved tip and are used for a variety of procedures, including left ventriculography, renal angiography, and peripheral angiography.
● Multipurpose catheters - These have a straight or slightly curved tip, and are adaptable to a variety of procedures, including coronary angiography, ventriculography, visceral angiography, and peripheral angiography.

Tip Configuration
The tip of an angiography catheter varies from one manufacturer to another. Some have a straight tip while others have a curved or angled tip.

Radiopaque Markers
Radiopaque markers are small objects that are visible under X-ray imaging and are used to help guide the placement of the catheter. These markers are often placed at strategic locations on the catheter to ensure accurate positioning inside the blood vessel. The angiography catheter is used to inject a contrast dye into the blood vessels to obtain clear images of the heart and blood vessels and to measure the pressure inside the heart.

Flow rate
Depending on the application, the flow rate of an angiography catheter can be between 0.5ml/sec and 5ml/sec.

Sterilization
The catheter is typically made of a flexible material such as plastic or silicone and is designed to be inserted into a blood vessel, usually through the groin or arm. Once in place, the catheter can be used to inject contrast dye into the blood vessels, allowing doctors to see the blood flow and spot any abnormalities or blockages. Angiography catheters are sterilized using gamma radiation or ethylene oxide gas to ensure patient safety.

Compatibility
Angiography catheters are compatible with various types of imaging equipment such as X-ray machines, CT scans, and MRI machines.

Indications
● An angiography catheter is used to diagnose and treat various medical conditions such as heart disease, stroke, and peripheral vascular disease.
● Angiography catheters may also be used to perform interventional procedures such as angioplasty, in which a balloon is inflated to widen a narrowed blood vessel, or stent placement, in which a mesh tube is inserted to prop the vessel open.

Why Angiography Catheter Is Used?

Angiography catheter is used to check the health of your blood vessels and how blood flows through them. Angiography catheter can help to diagnose or investigate several problems affecting blood vessels, including:
● Atherosclerosis-narrowing of the arteries, which could mean you're at risk of having a stroke or heart attack
● Peripheral arterial disease-reduced blood supply to the leg muscles
● A brain aneurysm-a bulge in a blood vessel in your brain
● Angina-chest pain caused by reduced blood flow to the heart muscles
● Blood clots or a pulmonary embolism-a blockage in the artery supplying your lungs
● A blockage in the blood supply to your kidneys
● Angiography catheter may also be used to help plan treatment for some of these conditions.

Procedure for using an angiography catheter

Doctors use angiography to diagnose and treat blood vessel diseases and conditions. Angiography exams produce pictures of major blood vessels throughout the body. Some exams use contrast material.
The steps doctors use the Angiography Catheter to perform angiography:
● X-rays with catheters
● Computed tomography (CT)
● Magnetic resonance imaging (MRI)
In catheter angiography, a thin plastic tube, called a catheter, is inserted into a blood vessel through a small incision in the skin. Once the angiography catheter is guided to the area being examined, the technologist injects a contrast material through the angiography catheter and captures images using a small dose of ionizing radiation (X-rays).

Types of Angiographic Catheter

Company Name	Product Name	Length (cm)
Alvimedica	Alvision	80, 100, 110, 125 (CE Mark approval pending)
AngioDynamics	Accu-Vu Sizing Catheter	70, 90, 100
AngioDynamics	Mariner Hydrophilic Angiographic Catheter	40–150
AngioDynamics	Soft-Vu Angiographic Catheter	25–150

Materials of Angiography Catheter

Angiography catheters are typically made from medical-grade plastics such as polyurethane, nylon, or silicone. The materials used are biocompatible and safe for use in the body.

1. Angiography catheters are designed to be inserted through a blood vessel, usually in the arm or leg, and guided to the area of interest using imaging techniques such as x-rays or ultrasound.

2. Angiography catheter is a flexible tube with a hollow center that allows blood to flow freely around it. At the tip of the catheter, there is a small balloon or a metal coil that can be inflated to block off the blood vessel temporarily. This allows the contrast dye to be injected into the area of interest with precision, giving a clear image of the blood vessels and any abnormalities or blockages.

3. Due to the delicate nature of the procedure, angiography catheters must be manufactured to very high standards. Angiography catheter are typically single-use devices and disposed of after each procedure to prevent the spread of infection.

4. Angiography catheters are a crucial component of minimally invasive diagnostic and therapeutic procedures. Angiography catheter allow doctors to safely and accurately visualize the blood vessels and perform interventions with minimal discomfort to the patient.

Applications of Angiography Catheter

Angiography catheter is a vital tool in the diagnosis and treatment of various medical conditions that affect blood vessels, heart, and other vital organs. Its versatility and minimally invasive nature make it a preferred choice among physicians and patients alike. Some of the applications of angiography catheter are:

Diagnostic angiography

It involves the use of angiography catheter to inject a contrast dye into the blood vessels to obtain detailed imaging information on the location, extent, and severity of circulatory system abnormalities, such as blood clots, aneurysms, or arterial blockages.

Interventional angiography

Tinvolves the use of angiography catheter for therapeutic procedures, such as balloon dilation, stent placement, embolization, and thrombolysis to treat blockages or injuries in blood vessels.

Cardiac catheterization

It uses angiography catheter to measure blood pressure, oxygen level, and blood flow in the heart and diagnose conditions such as coronary artery disease, heart valve problems, or Congenital heart disease.

Neurological disorders

Angiography catheter is used to diagnose and treat neurological disorders such as brain aneurysms, arteriovenous malformations, and hemorrhages.

Oncology

Angiography catheter is used to diagnose and treat cancerous growths by injecting anticancer drugs, radiation or embolic agents into the tumor location.

Peripheral Arterial Disease (PAD)

Angiography catheter is used to diagnose and treat PAD, a condition where there is a blockage in the leg arteries leading to pain, cramping, and other symptoms.

Renal Artery Stenosis

Angiography catheter is used to evaluate and treat renal artery stenosis, a common condition that leads to high blood pressure, low kidney function, and other complications.

When Choosing Angiography Catheter, You Should Consider:

Catheter Size

The size of the catheter should be appropriate for the vessel being examined and the required flow rate.

Material

Catheters are usually made of materials such as polyurethane or nylon. Some older materials include polyethylene or polyvinyl chloride.

Length

The length of the catheter should also be carefully considered to ensure that it can be maneuvered into the right position within the blood vessel.

Shape and Tip

Angiography catheters come in different shapes, each with a tip designed for a specific purpose. The tip can be straight, curved or angled, at varying degrees, to direct the catheter efficiently.

Flexibility

Catheter flexibility is important because it determines how well it can be maneuvered and positioned within the vessel.

Performance

Angiography catheters vary in their performance, such as the resistance to kinking or buckling, as well as their ability to position in the vessel.

Our Factory

Hangzhou Qiantong Biotechnology Co., Ltd. is located in Hangzhou, Zhejiang Province, China. Since its establishment in 2017, the company has been focusing on the field of vascular intervention and is determined to provide high-quality and affordable intervention consumables for global partners. We can provide not only semi-finished products, but also finished products. The products cover such fields as cardiology, cardiac surgery, vascular surgery, Radiology, Intracranial vascular intervention，Electrophysiology etc.

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With more than 10 years Production and sales experience in CAD /PAD, the founder and team from Hangzhou Qian Tong Biotechnology are specialized in providing products and service as follow:

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Certifications

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FAQ

Q: What is Catheter Angiography?

A: Doctors use angiography to diagnose and treat blood vessel diseases and conditions. Angiography exams produce pictures of major blood vessels throughout the body. Some exams use contrast material.

Q: Where is angiogram catheter inserted?

A: The catheter is placed in a blood vessel, usually in the groin or wrist. Dye flows through the catheter. Then X-ray images of the heart arteries are taken. The dye helps blood vessels show up more clearly on the X-ray images.

Q: What is the most common catheter angiogram?

A: Common procedures done through the catheter include the following: Coronary angiography: A catheter is used to inject a radiopaque contrast agent. During a radionuclide scan, a small amount of a radionuclide... read more into the blood vessels that feed the heart (coronary arteries) so that they can be seen on x-rays.

Q: Why is a catheter angiography done?

A: Catheter angiography uses a catheter, x-ray imaging guidance and an injection of contrast material to examine blood vessels in key areas of the body for abnormalities such as aneurysms and disease such as atherosclerosis (plaque).

Q: Is catheter angiography painful?

A: A long, thin, flexible tube (catheter) is inserted into the artery and is carefully guided to the area being examined – you may feel some pushing and pulling when this is done, but it should not be painful.

Q: What does an angiography catheter do?

A: In a coronary angiogram, a flexible tube called a catheter is inserted into an artery, usually in the groin, arm or neck. It's guided to the heart. A coronary angiogram can show blocked or narrowed blood vessels in the heart.

Q: What are the benefits of cardiac catheterization?

A: One procedure that is both a test AND a treatment is called cardiac catheterization. It can show your doctor how healthy your heart and blood vessels are, and treat heart valve problems, clogged arteries, and heart defects.

Q: What are the advantages of cardiac angiography?

A: The procedure can also provide important information about the blood pressure inside your heart. Coronary angiography also gives video images (angiograms) that can show whether the blood vessels surrounding your heart are narrowed or blocked. You may need treatment if there are any narrow areas or blockages.

Q: When should you avoid angiography?

A: An angiogram isn't right for everyone. Other tests may give you and your doctor all the information you need to make treatment decisions. These other tests do not have the risks of an angiogram. It's usually not suggested if you have a low risk of a heart attack or you don't have angina symptoms.

Q: When is angiography recommended?

A: You'd usually have an angiogram because you have signs of coronary heart disease (CHD), such as chest pain, and often because other tests, like an electrocardiogram (ECG), have suggested you might have CHD. CHD is caused by the build-up of fatty deposits in the coronary arteries.

Q: How many times angiography can be done?

A: Conclusions: Truly normal coronary arteries do not progress to significant disease within a time frame of 4 years. Repeat coronary angiography within that period is probably not indicated.

Q: Can heart catheterization clear a blockage?

A: Depending on the location and severity, the blockages can be treated with medications alone; with angioplasty plus stent placement (expanding a balloon located at the end of the catheter to open the blockage and placing a stent), which can be done during the cardiac catheterization procedure.

Q: Which is better CT angiography or catheter angiography?

A: A significant advantage of a CT angiogram over a traditional angiogram is that a CT angiogram is non-invasive. However, for abnormal CT angiography findings, such as blockage or narrowing of one or more blood vessels, the patient may need a standard angiography as a follow-up.

Q: Why is angiography done?

A: Angiography is used to check the health of your blood vessels and how blood flows through them. It can help to diagnose or investigate several problems affecting blood vessels, including: atherosclerosis – narrowing of the arteries, which could mean you're at risk of having a stroke or heart attack.

Q: What is the most common complication associated with catheter angiography?

A: The main risks of coronary angiography include: bleeding under the skin at the wound site (haematoma) – this should improve after a few days, but contact your GP if you're concerned. bruising – it's common to have a bruise in your groin or arm for a few weeks.

Q: Can angiography clear blockage?

A: No. An angiogram lets your provider see a blockage in your artery. During an angiogram, your provider can do an angioplasty to treat a blockage.

Q: Is catheter angiography invasive?

A: Cardiac catheterisation is an invasive diagnostic procedure that provides important information about the structure and function of the heart. It usually involves taking X-rays of the heart's arteries (coronary arteries) using a technique called coronary angiography or arteriography.

Q: What is the difference between cardiac cath and angiography?

A: An angiogram is an x-ray test that uses a special iodine contrast dye and camera (fluoroscopy) to take pictures of the blood vessels. When it is used to visualize the heart arteries, is called a coronary angiogram or cardiac catheterization.

Q: What is the difference between a CT angiogram and a catheter angiogram?

A: CT angiograms and traditional angiograms are both tests to view your blood vessels. CT angiograms are less invasive than traditional angiograms. With traditional angiography, your provider inserts a long, hollow tube (catheter) through a large blood vessel called an artery, usually in your groin or your wrist.

Q: What is the main advantage of cardiac catheterization?

A: A healthcare professional may perform cardiac catheterization to identify any potential heart conditions and allow surgeons to perform procedures to open any blocked arteries, including angioplasty and stent placement. Angioplasty is a procedure to open a blocked or narrowed artery.

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Catheter for Coronary Angiography, Cath Angio, Catheters Used In Coronary Angiography