China factory Medical Vacuum Pump Manufacturer vacuum pump design

Product Description


Product Features

With ultra-low negative pressure design (-50mmHg to -450mmHg) which is continuously adjustable.

With super-smart design and multi operating mode which is more practical.

With stable performance and long life which can operate more than 10,000 hours continuously.

The elaborate designed muffler system controls running noise of the device in a very low range (less than 45 dB), which does not affect the patient’s rest.

With microcomputer chip controlled, it has high accuracy and user-friendly operation interface.

Its intelligent memory system can automatically record the parameters and modes in the last setup, free from repeatedly setting after each starting up.

LCD digital display makes it convenient for user to adjust and operate.


Multiple safety power supply solutions:

1 .It adopts AC/DC power supply with the host in use of full DC power, having no danger of electric shock; 

2.lts built-in spare battery may still endure 4 hours after a power failure, while it can last 8 hours in intermittent mode;

3.A 12V 5A vehicle DC power supply can also be used to ensure the continuous treatment of patients with negative pressure suction unit, when being transferred or going out;

Equipped with overflow alarm device, the unit will automatically stop in service and alarm when the dirty liquid reaches the warning line, to prevent the solution into the host and to avoid secondary pollution and damage.

With the function of automatic gas-leak alarm, the unit will then spontaneously stop and alarm when the negative pressure value remains no change within 10 minutes after the operation.

Multiple safety protections: gas-leak alarm, automatic overheat prevention, overflow prevention, etc.


Product Property

Adjustable scope: lOmmHg

Negative pressure range: -50 mmHg -450 mmHg; pressure display error: +0.2%

Suction flow: 1.51 /min~ 8.0L /min

Intelligence Setup: multi operation setup, more practical 

Noise:not more than 45Db

External power supply:

12V 5A DC switch power (medically certified); the host, DC powered, has no risk of electric shock

Operation status:continuous and intermit-10t

multiple safety protections:

leakage alarm; automatic heat

dissipation while overheated,

anti-overflow protection


Scope of Application:

Suitable of acute wound,chronic diabetic wound and wound drainage of more exudate after surgery.



Debridement undone or wound with the necrotic eschar; Wound with tumor tissue;Sinus connected with the organs; Wound with great vessels or organs exposed.

Detailed Photos


Packing list:

NO. Description Quantity
1 Negative Pressure Drainage Device 1
2 AC Adapter & AC cable 1
3 User  Manual 1
4 Solution collection bottle 1
5 Bottle cap 1
6 Connection interface 3
7 Silicon gel bent pipe 3
8 Filter 3
9 European standard plug 1

Case 1
1. Right foot skin necrosis, infection;
2. Open fractures of the first wedge of the right foot;
3. After debridement suture of right foot skin laceration;
4. After open fracture operation of middle and lower segment of right femur.




Q1Are you trade company or manufacture?

A1: We are manufacture. We have 2 factories in HangZhou and HangZhou City, and we sincerely welcome you visit our factory.

Q2Can I get some samples?

A2: We are glad to offer you free sample.

Q3:What certificate does your company have?

A3: CE, EN ISO13485 Certification. If you need, we can send you the copy.

Q4Are the OEM and ODM available?

A4: Yes. We offer OEM and ODM service. About new product, you can send us your sample. And we make sample for you. For your own brand, you can also send us your design of package and we make the package according to your requirement.

Q5What is the Grade of your clean room?

A5: Our clean room is 100,000 grades.

Q6If we need registration in our own country, then what kind of assistance you can offer?

A6: We can prepare the documents you need; free sample and other thing that can help you finish the registration.

Q7Is there cheap shipping cost to import to our country?

A7: For small order, express will be best. And for bulk order, sea ship way is best but take much time. For urgent orders, we suggest via air to airport plus our ship partner send to your door.

Q8: Can we get support if we have our own market position?

A8: Please inform us your detailed mind on your market demand, we will discuss and propose helpful suggestion for you, to find the best solution for you.


Type: Portable
Function: Treatment
Certification: CE, ISO13485, FSC
LCD Display: With LCD Display
Group: Adult
Adjustable Scope: 10mmhg.


vacuum pump

Can Vacuum Pumps Be Used in the Automotive Industry?

Yes, vacuum pumps are widely used in the automotive industry for various applications. Here’s a detailed explanation:

The automotive industry relies on vacuum pumps for several critical functions and systems within vehicles. Vacuum pumps play a crucial role in enhancing performance, improving fuel efficiency, and enabling the operation of various automotive systems. Here are some key applications of vacuum pumps in the automotive industry:

1. Brake Systems: Vacuum pumps are commonly used in vacuum-assisted brake systems, also known as power brakes. These systems utilize vacuum pressure to amplify the force applied by the driver to the brake pedal, making braking more efficient and responsive. Vacuum pumps help generate the required vacuum for power brake assistance, ensuring reliable and consistent braking performance.

2. Emission Control Systems: Vacuum pumps are integral components of emission control systems in vehicles. They assist in operating components such as the Exhaust Gas Recirculation (EGR) valve and the Evaporative Emission Control (EVAP) system. Vacuum pumps help create the necessary vacuum conditions for proper functioning of these systems, reducing harmful emissions and improving overall environmental performance.

3. HVAC Systems: Heating, Ventilation, and Air Conditioning (HVAC) systems in vehicles often utilize vacuum pumps for various functions. Vacuum pumps help control the vacuum-operated actuators that regulate the direction, temperature, and airflow of the HVAC system. They ensure efficient operation and precise control of the vehicle’s interior climate control system.

4. Turbocharger and Supercharger Systems: In performance-oriented vehicles, turbocharger and supercharger systems are used to increase engine power and efficiency. Vacuum pumps play a role in these systems by providing vacuum pressure for actuating wastegates, blow-off valves, and other control mechanisms. These components help regulate the boost pressure and ensure optimal performance of the forced induction system.

5. Fuel Delivery Systems: Vacuum pumps are employed in certain types of fuel delivery systems, such as mechanical fuel pumps. These pumps utilize vacuum pressure to draw fuel from the fuel tank and deliver it to the engine. While mechanical fuel pumps are less commonly used in modern vehicles, vacuum pumps are still found in some specialized applications.

6. Engine Management Systems: Vacuum pumps are utilized in engine management systems for various functions. They assist in operating components such as vacuum-operated actuators, vacuum reservoirs, and vacuum sensors. These components play a role in engine performance, emissions control, and overall system functionality.

7. Fluid Control Systems: Vacuum pumps are used in fluid control systems within vehicles, such as power steering systems. Vacuum-assisted power steering systems utilize vacuum pressure to assist the driver in steering, reducing the effort required. Vacuum pumps provide the necessary vacuum for power steering assistance, enhancing maneuverability and driver comfort.

8. Diagnostic and Testing Equipment: Vacuum pumps are also utilized in automotive diagnostic and testing equipment. These pumps create vacuum conditions necessary for testing and diagnosing various vehicle systems, such as intake manifold leaks, brake system integrity, and vacuum-operated components.

It’s important to note that different types of vacuum pumps may be used depending on the specific automotive application. Common vacuum pump technologies in the automotive industry include diaphragm pumps, rotary vane pumps, and electric vacuum pumps.

In summary, vacuum pumps have numerous applications in the automotive industry, ranging from brake systems and emission control to HVAC systems and engine management. They contribute to improved safety, fuel efficiency, environmental performance, and overall vehicle functionality.

vacuum pump

What Is the Difference Between Dry and Wet Vacuum Pumps?

Dry and wet vacuum pumps are two distinct types of pumps that differ in their operating principles and applications. Here’s a detailed explanation of the differences between them:

Dry Vacuum Pumps:

Dry vacuum pumps operate without the use of any lubricating fluid or sealing water in the pumping chamber. They rely on non-contact mechanisms to create a vacuum. Some common types of dry vacuum pumps include:

1. Rotary Vane Pumps: Rotary vane pumps consist of a rotor with vanes that slide in and out of slots in the rotor. The rotation of the rotor creates chambers that expand and contract, allowing the gas to be pumped. The vanes and the housing are designed to create a seal, preventing gas from flowing back into the pump. Rotary vane pumps are commonly used in laboratories, medical applications, and industrial processes where a medium vacuum level is required.

2. Dry Screw Pumps: Dry screw pumps use two or more intermeshing screws to compress and transport gas. As the screws rotate, the gas is trapped between the threads and transported from the suction side to the discharge side. Dry screw pumps are known for their high pumping speeds, low noise levels, and ability to handle various gases. They are used in applications such as semiconductor manufacturing, chemical processing, and vacuum distillation.

3. Claw Pumps: Claw pumps use two rotors with claw-shaped lobes that rotate in opposite directions. The rotation creates a series of expanding and contracting chambers, enabling gas capture and pumping. Claw pumps are known for their oil-free operation, high pumping speeds, and suitability for handling dry and clean gases. They are commonly used in applications such as automotive manufacturing, food packaging, and environmental technology.

Wet Vacuum Pumps:

Wet vacuum pumps, also known as liquid ring pumps, operate by using a liquid, typically water, to create a seal and generate a vacuum. The liquid ring serves as both the sealing medium and the working fluid. Wet vacuum pumps are commonly used in applications where a higher level of vacuum is required or when handling corrosive gases. Some key features of wet vacuum pumps include:

1. Liquid Ring Pumps: Liquid ring pumps feature an impeller with blades that rotate eccentrically within a cylindrical casing. As the impeller rotates, the liquid forms a ring against the casing due to centrifugal force. The liquid ring creates a seal, and as the impeller spins, the volume of the gas chamber decreases, leading to the compression and discharge of gas. Liquid ring pumps are known for their ability to handle wet and corrosive gases, making them suitable for applications such as chemical processing, oil refining, and wastewater treatment.

2. Water Jet Pumps: Water jet pumps utilize a jet of high-velocity water to create a vacuum. The water jet entrains gases, and the mixture is then separated in a venturi section, where the water is recirculated, and the gases are discharged. Water jet pumps are commonly used in laboratories and applications where a moderate vacuum level is required.

The main differences between dry and wet vacuum pumps can be summarized as follows:

1. Operating Principle: Dry vacuum pumps operate without the need for any sealing fluid, while wet vacuum pumps utilize a liquid ring or water as a sealing and working medium.

2. Lubrication: Dry vacuum pumps do not require lubrication since there is no contact between moving parts, whereas wet vacuum pumps require the presence of a liquid for sealing and lubrication.

3. Applications: Dry vacuum pumps are suitable for applications where a medium vacuum level is required, and oil-free operation is desired. They are commonly used in laboratories, medical settings, and various industrial processes. Wet vacuum pumps, on the other hand, are used when a higher vacuum level is needed or when handling corrosive gases. They find applications in chemical processing, oil refining, and wastewater treatment, among others.

It’s important to note that the selection of a vacuum pump depends on specific requirements such as desired vacuum level, gas compatibility, operating conditions, and the nature of the application.

In summary, the primary distinction between dry and wet vacuum pumps lies in their operating principles, lubrication requirements, and applications. Dry vacuum pumps operate without any lubricating fluid, while wet vacuum pumps rely on a liquid ring or water for sealing and lubrication. The choice between dry and wet vacuum pumps depends on the specific needs of the application and the desired vacuum level.

vacuum pump

Can Vacuum Pumps Be Used in the Medical Field?

Yes, vacuum pumps have a wide range of applications in the medical field. Here’s a detailed explanation:

Vacuum pumps play a crucial role in various medical applications, providing suction or creating controlled vacuum environments. Here are some key areas where vacuum pumps are used in the medical field:

1. Negative Pressure Wound Therapy (NPWT):

Vacuum pumps are extensively utilized in negative pressure wound therapy, a technique used to promote wound healing. In NPWT, a vacuum pump creates a controlled low-pressure environment within a wound dressing, facilitating the removal of excess fluid, promoting blood flow, and accelerating the healing process.

2. Surgical Suction:

Vacuum pumps are an integral part of surgical suction systems. They provide the necessary suction force to remove fluids, gases, or debris from the surgical site during procedures. Surgical suction helps maintain a clear field of view for surgeons, enhances tissue visualization, and contributes to a sterile operating environment.

3. Anesthesia:

In anesthesia machines, vacuum pumps are used to create suction for various purposes:

– Airway Suction: Vacuum pumps assist in airway suctioning to clear secretions or obstructions from the patient’s airway during anesthesia or emergency situations.

– Evacuation of Gases: Vacuum pumps aid in removing exhaled gases from the patient’s breathing circuit, ensuring the delivery of fresh gas mixtures and maintaining appropriate anesthesia levels.

4. Laboratory Equipment:

Vacuum pumps are essential components in various medical laboratory equipment:

– Vacuum Ovens: Vacuum pumps are used in vacuum drying ovens, which are utilized for controlled drying or heat treatment of sensitive materials, samples, or laboratory glassware.

– Centrifugal Concentrators: Vacuum pumps are employed in centrifugal concentrators to facilitate the concentration or dehydration of biological samples, such as DNA, proteins, or viruses.

– Freeze Dryers: Vacuum pumps play a vital role in freeze-drying processes, where samples are frozen and then subjected to vacuum conditions to remove water via sublimation, preserving the sample’s structure and integrity.

5. Medical Suction Devices:

Vacuum pumps are utilized in standalone medical suction devices, commonly found in hospitals, clinics, and emergency settings. These devices create suction required for various medical procedures, including:

– Suctioning of Respiratory Secretions: Vacuum pumps assist in removing respiratory secretions or excess fluids from the airways of patients who have difficulty coughing or clearing their airways effectively.

– Thoracic Drainage: Vacuum pumps are used in chest drainage systems to evacuate air or fluid from the pleural cavity, helping in the treatment of conditions such as pneumothorax or pleural effusion.

– Obstetrics and Gynecology: Vacuum pumps are employed in devices used for vacuum-assisted deliveries, such as vacuum extractors, to aid in the safe delivery of babies during childbirth.

6. Blood Collection and Processing:

Vacuum pumps are utilized in blood collection systems and blood processing equipment:

– Blood Collection Tubes: Vacuum pumps are responsible for creating the vacuum inside blood collection tubes, facilitating the collection of blood samples for diagnostic testing.

– Blood Separation and Centrifugation: In blood processing equipment, vacuum pumps assist in the separation of blood components, such as red blood cells, plasma, and platelets, for various medical procedures and treatments.

7. Medical Imaging:

Vacuum pumps are used in certain medical imaging techniques:

– Electron Microscopy: Electron microscopes, including scanning electron microscopes and transmission electron microscopes, require a vacuum environment for high-resolution imaging. Vacuum pumps are employed to maintain the necessary vacuum conditions within the microscope chambers.

These are just a few examples of the wide-ranging applications of vacuum pumps in the medical field. Their ability to create suction and controlled vacuum environments makes them indispensable in medical procedures, wound healing, laboratory processes, anesthesia, and various other medical applications.

China factory Medical Vacuum Pump Manufacturer   vacuum pump design		China factory Medical Vacuum Pump Manufacturer   vacuum pump design
editor by CX 2023-11-12