The advantages and disadvantages of PTFE (polytetrafluoroethylene) for medical supplies are analyzed as follows:

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Advantages:

1. High temperature resistance: PTFE has good high temperature resistance and can maintain its stable performance at high temperatures, so it can be used to make medical devices for high temperature disinfection.

2. Lubricity: PTFE has excellent lubricity, so it can be used to make medical devices such as artificial joints, reduce friction and wear, and improve service life.

3. Biocompatibility: PTFE has good histocompatibility with the human body and will not cause immune response and inflammation, so it can be used to make artificial organs, blood vessels and other medical devices.

4. High temperature resistance: PTFE has good high temperature resistance and can maintain its stable performance at high temperatures, so it can be used to make medical devices for high temperature disinfection.

5. Chemical inertia: PTFE has chemical inertia, so that it will not have adverse reactions with any biological tissue, so it can be used in devices directly implanted into the human body.

Cons:

1. High cost: The manufacturing cost of PTFE is higher and the price is more expensive, which limits its application in the medical field.

2, processing difficulties: PTFE processing temperature is high, the need for professional equipment and skills, so the processing is more difficult.

3. Plastic parts easy to crack: PTFE plastic parts are easy to crack, affecting its use effect and life.

In summary, PTFE has a wide range of application prospects in the medical field, and its advantages such as chemical inertness, lubricity, biocompatibility and high temperature resistance make it one of the preferred materials for medical device manufacturing. However, its disadvantages such as high cost, difficult processing, poor air permeability and easy cracking of plastic parts also need to be paid attention to during use.

4. Poor air permeability: PTFE has poor air permeability and may not be the best choice for medical equipment that requires air permeability.