Medical Peristaltic Pump
Flow range:0.0053-6000ml/min
2.Basic peristaltic pump:LabM series
Flow range:0.0053-3100ml/min
3.Industrial peristaltic pump
Speed range:0.1-600rpm
Description
Technical Parameters
Medical peristaltic pump has a wide range of applications in the medical field, and its unique working principle and advantages make it a key equipment for liquid medicine transfer and treatment. It is mainly composed of three parts: drive, pump head and hose. It pumps fluid by alternately squeezing and releasing the pump's elastic delivery hose. The rotor of the pump is equipped with a plurality of rollers, when the rotor rotates, the rollers squeeze the pump tube in turn, so that the liquid in the tube flows forward. Since the part of the pump pipe in contact with the liquid is only internal, it will not be in direct contact with the mechanical parts of the pump, thus avoiding the risk of contamination of the liquid.
Medical peristaltic pump has the characteristics of unique working principle, high precision and high stability, good aseptic performance, wide applicability, easy maintenance and cleaning, and high safety. These characteristics make the device have a wide application prospect and important value in the medical field.
Parameter
Technical features
► Highly accurate flow control
By adjusting the motor speed or roller pressure, the flow rate can be accurately controlled, and the error range is usually less than ±0.5%.
Suitable for scenarios that require precise dosage, such as chemotherapy drug delivery, enteral nutrient infusion, etc.
► Contamination-free delivery
The liquid is only in contact with the inner wall of the hose, and the pump body is completely isolated from the liquid to avoid cross-contamination.
The hose can be replaced regularly, in line with the requirements of medical sterility.
► Low shear force
When the liquid flows in the hose, the shear force is extremely low, which is suitable for conveying shear-sensitive liquids (e.g. whole blood, protein solution).
► Self-priming capability
No need for additional filling pump, can automatically suction liquid, suitable for gas-liquid mixture or high viscosity liquid.
► Reversible conveying
By changing the steering of the motor, it can realise the forward and reverse conveying of liquids to meet special clinical needs.
► Modular design
The pump head and the driving part can be separated, which makes it easy to change different sizes of pump heads and hoses according to the flow demand.
How to achieve a sterile connection
Equipment preparation and inspection
Cleaning and disinfection
Thoroughly clean and disinfect the peristaltic pump and all parts that come into contact with drugs (such as pump tubes, joints, connectors, etc.) prior to connection.
Use proven cleaners and disinfectants and follow the manufacturer's cleaning and disinfecting guidelines.
Check sterile packaging
Ensure that the peristaltic pump and its components are in sterile packaging and that the packaging is not broken.
If the packaging is found to be broken or suspected of contamination, discard and replace it with a new sterile part.
Aseptic connection steps
Wear sterile gloves
Before making a sterile connection, the operator should wear sterile gloves to reduce contamination of the joint by hand microorganisms.
Using sterile joints
Select suitable sterile joints to ensure compatibility with components such as peristaltic pumps and infusion tubes.
Before joining, check that the sterile joint is intact and follow the manufacturer's instructions for use.
Connect peristaltic pump to infusion tube
Under sterile conditions, the pump tube and the infusion tube of the peristaltic pump are connected through a sterile joint.
Ensure that the connection is tight and secure to avoid leakage during pumping.
Verify sterility
Once the connection is complete, sterile media or other verification methods can be used to check that the joint remains sterile.
If contamination is found, the cleaning, disinfection, and connection steps should be re-performed immediately.
Precautions
Avoid pollution
Keep hands or other contaminants away from the peristaltic pump and its sterile components during connection.
If parts such as pump pipes or joints need to be replaced, they should be done under sterile conditions and ensure that the new parts are sterile.
Follow the aseptic practice
Follow the medical organization's aseptic practices, such as wearing sterile clothing, masks, and hats.
Perform operations within sterile areas and minimize activities outside sterile areas.
Regular inspection and maintenance
Check and maintain the peristaltic pump and its components regularly to ensure that they are in good working condition.
If the parts are found to be aging, damaged, or seriously polluted, replace them in time.
Aseptic connection verification and testing
Sterility test
After the connection is complete, a sterility test can be performed to verify the sterility status of the connection.
Testing methods may include injecting sterile media into the joint and observing it for microbial growth.
Performance test
In addition to sterility tests, performance tests should also be performed to ensure the normal operation of the peristaltic pump after sterile connection.
Testing may include flow testing, pressure testing, etc., to ensure the stability and accuracy of the equipment.
Function of the granulator in spray drying
◆ Precise control of material flow
The device enables precise control of the flow of liquid material, which is a key part of the spray drying granulation process. By adjusting the speed of the peristaltic pump, the feed speed of the material can be easily adjusted, so as to ensure that the material enters the spray drying chamber at a constant speed and amount. This precise control helps to achieve uniform material distribution, improve drying efficiency, and ensure product uniformity and consistency.
◆ Improve the drying efficiency
The precise transfer function of the peristaltic pump helps to reduce the fluctuation of the material during the drying process, so that the material can be more evenly distributed in the spray drying room. This can not only improve the drying efficiency, shorten the production cycle, but also reduce energy consumption and production costs. At the same time, because the peristaltic pump can maintain the stability of the flow, it can avoid the leakage and waste of materials in the transportation process, and further improve the production efficiency.
◆ Ensure product quality
In the pharmaceutical industry, product quality is of Paramount importance. The device helps reduce oxidation and contamination risks during conveying and drying by precisely controlling the flow of materials and delivering them steadily. This not only guarantees the purity and safety of the product, but also improves the stability and consistency of the product, thus meeting the pharmaceutical industry's demand for high-quality products.
◆ Adapt to a variety of materials and process needs
The equipment is suitable for a variety of media, including high viscosity, solid particle containing, fiber containing and gas containing fluids. This allows the peristaltic pump to transport many types of liquid materials in the spray drying granulator, such as pharmaceutical solutions, suspensions, etc. At the same time, the peristaltic pump also has good self-priming capacity and sealing, which can adapt to different process requirements and working environments.
◆ Easy to maintain and clean
The structure of the device is relatively simple and easy to disassemble and clean. In the pharmaceutical industry, the ease of maintenance of peristaltic pumps is an important advantage as equipment needs to be cleaned and disinfected frequently to ensure product sterility. By regularly replacing the pump pipe and cleaning the equipment, the good working condition of the peristaltic pump can be maintained and the service life of the equipment can be extended.
Hemodialysis - Avoid infection
Ensure the peristaltic pump and piping are clean and sterile
Select high quality piping
The pipeline used by the medical peristaltic pump should meet the GMP, USP Class VI, FDA and NSF certification standards to ensure that it does not contain any toxic and harmful substances. The pipe should be used once to avoid the risk of cross infection caused by repeated use.
Strict disinfection and cleaning
Before use, the peristaltic pump and its accessories are strictly disinfected and cleaned to ensure a sterile state. Regular maintenance and maintenance of the peristaltic pump, including cleaning the pump body, replacing worn parts, etc.
Aseptic operation
In the process of hemodialysis, the aseptic operation specifications are strictly implemented to ensure the aseptic state of the peristaltic pump and its pipelines in the process of connection, use, and replacement.
Optimize the use of peristaltic pumps
Precise flow control
By adjusting the rotational speed of peristaltic pump, the flow rate of dialysate is precisely controlled to avoid insufficient or excessive dialysis caused by too large or too small flow rate.
Precise flow control helps to reduce complications during dialysis, such as hypotension, imbalance syndrome, etc., thereby reducing the risk of infection.
Reduce shear force
When the peristaltic pump is transporting blood, the shear force on the blood cells should be minimized to protect the integrity of the blood cells.
Choose the appropriate pump tube and speed to reduce the impact of shear force on blood cells.
Strengthen infection prevention and control in hemodialysis centers
Establish and improve infection management system
Hemodialysis centers should establish and improve the infection management system, and clarify the responsible person and responsibility of infection prevention and control work.
Formulate infection prevention and control workflow and operating procedures to ensure that infection prevention and control work is in place.
01
Strengthen infection surveillance and reporting
Dialysis patients and staff should be regularly monitored for infection-related indicators to detect and deal with infection events in a timely manner.
Establish a sound infection incident reporting system to ensure timely reporting and effective treatment of infection incidents.
02
Raise staff awareness of infection prevention and control
Hemodialysis centers should regularly organize infection prevention and control training to improve staff awareness and skills.
Staff shall strictly implement hand hygiene, aseptic operation and personal protection requirements.
03
Strengthen dialysis pipeline management
Ensure that dialysis lines are unobstructed and clean to reduce the risk of infection.
After dialysis, the used pipes should be properly disposed of as medical waste immediately.
04
Patient management and education
Instruct patients to take effective infection prevention measures
Such as vaccination, personal hygiene, reasonable diet, etc., to improve the immunity of patients.
Strengthen patient health education
Improve patients' awareness of infection prevention and control and self-management ability to reduce the risk of infection caused by patients' own factors.
Conclusion
To avoid infection in hemodialysis, medical peristaltic pumps need to start from many aspects, including ensuring the cleanliness and sterility of peristaltic pumps and pipelines, optimizing the use of peristaltic pumps, strengthening infection prevention and control in hemodialysis centers, and strengthening patient management and education. These measures together constitute a comprehensive prevention and control system to avoid infection in hemodialysis.
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