Balls and ball bearings for medical applications




Medical devices use specialized precision balls, pins, and assemblies in applications ranging from intravenous administration to surgical tools. Materials used for medical specialty balls include glass and plastic, as well as 302, 304 and 316 stainless steel balls, pins, and assemblies. It is of utmost importance that engineers pay close attention to the ball and pin cleaning requirements, as the medical industry demands strict cleanliness standards. For example, ultrasonic cleaning capabilities, as well as a clean room, are necessary to meet the most stringent requirements for specialty medical balls.

Visit also: Ball Bearings Angular Contact Series

The following materials are commonly used for ball applications in the medical industry:

Materials

Common materials used for balls in medical devices include.

- Stainless steel

- Polyamide (PA)

- Polycarbonate (PC)

- Polyethylene (PE)

- Polypropylene (PP)

- Borosilicate glass

Their applications and advantages are discussed below.

Medical ball applications

Some common applications for medical balls include devices used in dispensing, flotation balls (polypropylene, polyethylene), and rolling elements (e.g., in a bearing).

Inline intravenous check valve

Stainless steel or plastic balls ensure the flow of medical fluids only into the body. They can be gravity- or spring-actuated but must be made of materials that are completely safe for body fluids. Custom balls can also be used to control the flow rate of medications into the body. Polyethylene has high chemical resistance, is biologically inert, and is inexpensive. Polycarbonate balls are used in insulin pumps, inhalers, and more. Polycarbonate offers impact resistance, clarity, and temperature resistance and is a good material for prototypes.

3-Ball Spirometer

These special custom balls are manufactured from medical-grade plastic and the density/weight of each ball is uniquely controlled. These balls are used to measure and/or train lung function. Polypropylene is inexpensive, steam sterilizable, recyclable, and has a low density. Polyamide (nylon) has good mechanical properties and high-temperature resistance compared to most plastics. In addition, polyamide does not require lubrication and is also environmentally friendly.

Quick connect couplings

Another application for custom balls in hospital rooms that require a quick connection to life-saving oxygen. High-purity stainless steel balls are often used for these connections. Stainless steel is corrosion-resistant, has high chemical resistance, high strength, and low cost (compared to more "exotic" metals like titanium, etc.).

Bearings for medical equipment

All medical/scientific devices that are actuated or rotate use some type of custom ball bearings. Non-catalog custom bearings can also be used for most medical/scientific equipment where medical grade material and cleanliness are warranted. Borosilicate is a material that is versatile due to its temperature resistance, chemical resistance, and low coefficient of thermal expansion (dimensional stability).

For details, please visit: https://www.abdultraders.com/

 

Comments

Post a Comment

Popular posts from this blog

The hidden side of needle roller bearings.

Image
  There are many types of bearings, the most common are ball bearings, or tapered roller bearings, cylindrical or spherical roller bearings. Their design meets certain technical requirements to adapt to the specific application. Less known is the needle roller bearing , but it is indispensable in certain applications where high demands are made on reliability and durability. Discover the hidden side of needle bearings that fit into many mechanisms. What is so special about them? The rolling elements used are shaped like needles, hence the name. These steel needles with a round or flat tip have a diameter of no more than 5 mm, and their length must be at least 3 times greater than their diameter. The bearing supports very high loads thanks to the contact the area developed by the needles, which are mounted in a cage made of steel or molded polyamide. It allows for extremely compact assemblies and is the bearing of choice when looking for a good compromise between performance...
Read more

Bearing Life Cycle

Image
  Each bearing has a certain potential for life. However, research has shown that, for various reasons, not all bearings achieve this. Important milestones that have a major impact on the life of a bearing can be recognized during the life cycle of the bearing. These steps are assembly, lubrication, alignment, basic condition monitoring, and disassembly. The life cycle stages of a bearing are extremely important to achieve maximum service life. By applying good maintenance practices and using the right tools, you can dramatically extend the life of your bearings and increase plant productivity and efficiency. Help your bearing reach its maximum life! Mounting: Mounting is one of the critical stages in the bearing life cycle. If the bearing is not mounted correctly using the correct method and tools, the bearing life will be shortened. Individual applications may require mechanical, thermal, or hydraulic mounting methods for proper and efficient bearing mounting. Selecting th...
Read more