What are the medical electric surgical tools that use rubber seals?

The following are some of the types of rubber seals that may be used in medical power surgical tools:

Electric bone drill

Structural characteristics and sealing requirements

Electric bone drills are usually composed of motors, drill pipes, shells, and other parts. At the junction between the motor and the housing, rubber seals are required to prevent impurities such as body fluids, blood, and dust from entering the motor. Because the motor is the core power component of the electric bone drill, once it is contaminated, it may affect its performance, lead to failure, or even shorten the service life.

Rubber seals may also be used at the interface between the drill pipe and the housing. This is to ensure that bone chips and tissue fluid do not enter the inside of the tool through this interface during the procedure and to prevent the lubricating oil inside from leaking out.

Electric suction device

Functional and sealing requirements

Electric suction devices are used to suck out blood, pus, secretions, etc., in the surgical area. It contains a collection vessel, suction pipe, and power unit. Rubber seals play a key role at the junction of the suction pipe and the collection vessel and between the pipe and the power unit.

Seals ensure that gases and liquids can only flow in a predetermined direction during the suction process, preventing leakage. For example, if the seal at the pipe interface is not good, an effective negative pressure cannot be formed, which will affect the normal operation of the suction device.

Electric scalpel

Internal structure and sealing points

Electric scalpels have complex circuits and transmission parts inside. Rubber seals may be used in the shank section to protect the internal electronics from outside liquids and contaminants.

For some electric scalpels with replaceable heads, rubber seals may also be used at the junction of the head to the handle to ensure stability and safety during use, while preventing blood or other tissue fluids from seeping inside.

Electric saws (e.g. chainsaws for orthopedic surgery)

The importance of working environment and sealing

Electric saws cut hard tissues such as bones during orthopedic surgery. Rubber seals are indispensable at the junction between the motor compartment and the outside. Because there is a large amount of bone chips, blood, etc. in the surgical environment, the seal can prevent these impurities from entering the motor compartment and protect the motor and transmission components.

If the sealing design is used for the connection between the saw blade and the saw body, the rubber seal can also play a role in preventing foreign objects such as bone chips from entering the inside of the saw body and affecting its mechanical properties.