What Device Prevents DVT? | Guide to IPC & IVC Filters

Thursday, 07/3/2025

Discover effective devices that prevent DVT in our comprehensive guide. Learn about IPC and IVC filters by Longest, designed to reduce deep vein thrombosis risks safely. Find the right solution for DVT prevention today. What device prevents DVT? Explore now with Longest.

This is the table of contents for this article

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Preface
What is DVT?
What is Used to Prevent DVT?
What is Intermittent Pneumatic Compression (IPC) Device
How IPC devices work
Clinical effectiveness
Who should use IPC
What is Inferior Vena Cava (IVC) Filters
How IVC filters work
Indications
Benefits and risks
IPC Devices vs. IVC Filters: How to Choose
Longest Medical: Leading DVT Prevention Machine Manufacturer in China
Conclusion

Preface

Deep Vein Thrombosis (DVT) is a serious and potentially life-threatening condition that affects millions worldwide each year. It occurs when a blood clot forms in a deep vein, commonly in the legs, leading to complications such as pain, swelling, and, in severe cases, pulmonary embolism. Despite advancements in modern medicine, many individuals remain unaware of the causes, symptoms, and most importantly, the effective preventive measures available. This blog explores the critical role of prevention technologies in combating DVT, with a focus on the two most commonly used devices: Intermittent Pneumatic Compression (IPC) devices and Inferior Vena Cava (IVC) filters.

Understanding the mechanisms behind these tools and their appropriate applications can make a significant difference in patient outcomes. Whether you're a healthcare professional, patient, or caregiver, equipping yourself with this knowledge is essential for preventing DVT-related complications. As we dive into each section, we will uncover how these technologies work, who should use them, and how they compare—ultimately guiding you toward the most suitable choice.

What is DVT?

Deep Vein Thrombosis (DVT) occurs when a blood clot forms in a deep vein, typically in the legs or pelvis. This can happen due to prolonged immobility, surgery, trauma, or underlying conditions that increase blood clotting. Symptoms often include leg pain, swelling, warmth, and redness, although some cases are asymptomatic. If untreated, DVT can lead to a life-threatening pulmonary embolism (PE) when the clot travels to the lungs.

DVT prevention is crucial, especially in hospitalized patients, post-operative individuals, and those with limited mobility. Medical guidelines recommend using DVT prevention devices proactively to minimize risk. These devices are particularly important for patients with high-risk profiles, such as those undergoing orthopedic surgery, individuals with cancer, or long-term immobile patients. By integrating DVT prevention equipment into care protocols, healthcare providers can significantly reduce the risk of complications.

What is Used to Prevent DVT?

To prevent DVT effectively, healthcare providers rely on a combination of pharmacological and mechanical strategies. Among mechanical methods, two devices are most frequently used: Intermittent Pneumatic Compression (IPC) devices and Inferior Vena Cava (IVC) filters. Each serves a specific purpose and is selected based on the patient’s individual risk profile and medical condition.

IPC devices are commonly employed in clinical and home care settings to promote blood flow in the legs. They are non-invasive, easy to use, and ideal for patients who cannot take anticoagulant medications. On the other hand, IVC filters are invasive devices placed in the inferior vena cava to catch blood clots before they reach the lungs. They are used in high-risk cases where anticoagulation is contraindicated or ineffective. Understanding these tools’ functions, benefits, and limitations helps in selecting the most suitable prevention strategy for DVT.

What is Intermittent Pneumatic Compression (IPC) Device

LGT-2200DVT Portable IPC Device

Intermittent Pneumatic Compression (IPC) devices are non-invasive tools designed to prevent DVT by enhancing venous blood flow in the lower extremities. They consist of inflatable sleeves that wrap around the legs and periodically inflate to mimic natural muscle contractions. These rhythmic compressions help push blood toward the heart, reducing venous stasis—a primary cause of clot formation.

IPC devices are especially beneficial for surgical patients, bedridden individuals, and those with mobility impairments. Their ease of use and minimal risk make them a popular choice in both hospitals and home care settings. Clinicians often prescribe IPC devices as part of a multi-modal DVT prevention plan. Below, we’ll examine how IPC devices work, their clinical effectiveness, and who should use them.

How IPC devices work

IPC devices operate by inflating and deflating air-filled cuffs around the limbs. This intermittent compression boosts blood circulation, mimicking the muscle pump mechanism. The increased flow reduces blood stagnation, minimizing the chance of clot formation.

Clinical effectiveness

Numerous studies show that IPC devices significantly lower the incidence of DVT in post-surgical and immobilized patients. Their non-pharmacological nature makes them suitable for patients at risk of bleeding. IPC is also effective when combined with low-dose anticoagulants.

Who should use IPC

● Post-operative patients (orthopedic, abdominal, cardiac)

● Long-term bedridden individuals

● Stroke or spinal cord injury patients

● Pregnant women with limited mobility

● Patients contraindicated for anticoagulants

What is Inferior Vena Cava (IVC) Filters

Inferior Vena Cava (IVC) filters are implantable devices designed to prevent pulmonary embolism (PE) in patients who are at high risk of developing DVT but cannot undergo anticoagulation therapy. These filters are inserted into the inferior vena cava—the large vein that returns blood from the lower body to the heart. Once in place, the device acts as a mechanical barrier, catching large clots and preventing them from reaching the lungs.

IVC filters are typically used in critical care situations where the risk of clot migration is high. They serve as a last resort for patients who cannot use blood thinners due to bleeding risks or recent surgeries. Although effective, IVC filters are generally not a first-line preventive option due to their invasive nature and associated complications.

How IVC filters work

The filter is deployed through a catheter, usually inserted via the femoral or jugular vein. Once in place, it expands and anchors itself inside the vena cava. The conical design allows normal blood flow while trapping clots.

Indications

● Patients with contraindications to anticoagulation

● History of recurrent DVT or PE

● Recent major trauma or surgery

● High-risk surgical patients

● Cancer patients with clotting disorders

Benefits and risks

Benefits:

● Immediate PE protection

● Alternative when anticoagulants are not viable

● Suitable for trauma and emergency settings

Risks:

● Filter migration or fracture

● Vena cava perforation

● Long-term thrombosis

● Difficult retrieval if left in place

IPC Devices vs. IVC Filters: How to Choose

Choosing between IPC devices and IVC filters depends on multiple factors, including the patient's health status, mobility, risk of bleeding, and treatment goals. While IPC is a first-line, non-invasive solution suitable for most at-risk patients, IVC filters are reserved for cases where IPC and anticoagulation are not feasible. Below is a comparison table for a clearer understanding:

Feature	IPC Devices	IVC Filters
Invasiveness	Non-invasive	Invasive (requires catheter placement)
Mechanism	External limb compression	Internal clot capture in vena cava
Usage duration	Temporary or long-term	Usually temporary, sometimes permanent
Common setting	Hospitals, rehab, home	ICU, surgical centers
Suitability for bleeding risk	Highly suitable	Preferred when anticoagulants fail
Side effects	Minor (skin irritation)	Moderate to serious (migration, DVT)

When deciding, clinicians consider medical history, contraindications, and the urgency of DVT risk. IPC devices are preferred for preventive care, especially in immobilized patients. IVC filters, while effective, should be used cautiously and only when necessary due to their potential complications.

Longest Medical: Leading DVT Prevention Machine Manufacturer in China

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With over 25 years of experience, Longest Medical has become a global leader in providing non-invasive rehabilitation and prevention solutions. Headquartered in China, Longest offers a full range of DVT prevention machines, including high-precision Intermittent Pneumatic Compression devices. Their products are certified by GMP, ISO 13485, CE, FDA, and other international standards, ensuring top-tier quality and safety.

The company’s large-scale manufacturing facilities span over 84,000 square meters, supported by a team of 700 professionals and over 214 patents. Longest Medical serves more than 10,000 healthcare institutions in over 80 countries. Their DVT prevention devices are widely used in orthopedic surgeries, intensive care units, and long-term care facilities. With a strong commitment to R&D, quality control, and customer support, Longest continues to innovate and deliver effective, reliable, and affordable DVT prevention solutions to the global market.

Conclusion

Preventing Deep Vein Thrombosis is a vital component of patient care, especially for those who are immobilized or undergoing major surgery. Both Intermittent Pneumatic Compression devices and Inferior Vena Cava filters offer unique advantages based on patient needs and risk factors. While IPC devices are ideal for routine prevention, IVC filters provide life-saving protection in high-risk scenarios.

By choosing reliable and clinically effective DVT prevention solutions, healthcare providers can significantly improve patient outcomes. Longest Medical stands out as a trusted manufacturer of non-invasive DVT prevention equipment. With advanced manufacturing, global certifications, and a focus on innovation, Longest is well-positioned to be your partner in safeguarding vascular health. Consider Longest for dependable and high-quality DVT prevention devices tailored to your clinical needs.

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Prdoucts Categories

FAQ

LGT-2210DS

Is it suitable for children's use?

Yes, but the sleeves should be customized. MOQ is required.

LGT-2200SP

How does an intermittent pneumatic compression device (IPCD) relieve lymphedema?

IPCD works by sequentially inflating and deflating a garment worn over the affected area, thereby applying directional compression. The cycle of pressure and release stimulates the lymph vessels to absorb lymph fluid. Simultaneously, this directional compression facilitates the upward flow of lymph towards the torso, guiding the fluid towards healthy lymph vessels. Moreover, IPC can utilize the "squeeze out" effect to expel certain metabolites and inflammatory substances that cause pain. These substances are removed through blood circulation and lymphatic circulation, ultimately helping to eliminate edema.

2500s plus physical therapy version

What's the interface of the PowerShocker LGT-2500S Plus machine? Is it easy to learn?

The PowerShocker LGT-2500S Plus has a 7'' intuitive touchscreen interface. It is an accessible system.Many users say easy to learn with minimal training required.

Company

How is the company's cooperation with the international market?

In 2012, the International Sales Department was established, and cooperative relationships have been established with distributors and agents in more than 80 countries around the world. The products are widely used in overseas medical institutions and are highly recognized. We actively participate in international academic exchange activities to promote resource sharing.

OEM&ODM

Do customized products comply with international certification standards?

Yes. Our production processes strictly adhere to international quality management systems. Customized products can assist in applying for certifications such as CE, FDA, and TGA according to the target market's requirements, ensuring compliant sales.

Deep Vein Thrombosis (DVT) Compression Therapy Device LGT-2201DVT

The LGT-2201DVT is a compression therapy device. It is composed of an intermittent pneumatic controller (main unit), sleeves, and a connection hose. The working principle is that air inflates and deflates the sleeves sequentially to generate circulating pressure on the human body.

By squeezing the proximal and distal limbs, it can directly or indirectly promote blood circulation and the lymphatic system, improve the body's micro-circulation, prevent thrombi, reduce limb swelling, and address diseases related to blood and lymph circulation. Suitable places for use are clinics and hospitals.

Deep Vein Thrombosis (DVT) Compression Therapy Device LGT-2201DVT

LGT - 2202DVT DVT Pump for Hospitals

The LGT-2202DVT is a gradient-pressure compression therapy system engineered to lower the risk of deep vein thrombosis (DVT) and pulmonary embolism (PE) post-surgery. It is compact and user-friendly. Ideal for hospitals, it streamlines workflows and boosts patient outcomes. This innovative DVT prevention solution caters to orthopedic rehabilitation, post-surgical recovery, and ICU/critical care settings, enhancing patient safety and clinical results.

LGT - 2202DVT DVT Pump for Hospitals

Effective Gradient Compression DVT Pump LGT-2200DVT

The LGT-2200DVT is a compression therapy device comprised of an intermittent pneumatic controller (main unit), sleeves, and a connection hose. Its working principle is that air inflates and deflates the sleeves sequentially to generate circulating pressure on the human body. By squeezing the proximal and distal limbs, it can directly or indirectly promote blood circulation and the lymphatic system, improve body micro-circulation, prevent thrombi, and reduce limb swelling. It addresses diseases related to blood and lymph circulation. It is widely used in hospital settings to improve workflow efficiency and enhance patient care.

Effective Gradient Compression DVT Pump LGT-2200DVT

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