Sponge neck circumference is a medical aid commonly used to support and protect the neck, and can also be used in the rehabilitation and treatment process of the neck. It is usually made of soft sponge material and designed to wrap around the neck to provide comfortable support.
The following are the characteristics and functions that sponge collars may have:

1. Neck support: The main function of a sponge collar is to provide support for the neck, help stabilize the neck, reduce the burden on neck muscles, and promote neck relaxation.
2. Comfort: Due to the use of soft sponge material, the sponge collar has good comfort, which can reduce friction and pressure on the patient’s neck skin, and reduce discomfort.
3. Ventilation and breathability: Some sponge collar designs have ventilation and breathability characteristics to ensure ventilation and comfort of the neck skin, reducing discomfort for patients during use.
4. Adjustable: Some sponge collars have an adjustable design that can be adjusted according to the patient’s neck size and shape, ensuring appropriate fit and support.
5. Lightweight and Easy to Use: Sponge collars are usually lightweight and easy to use, allowing patients to easily wear and remove them without the need for additional assistance.
6. Medical applications: Sponge collars are commonly used in the rehabilitation process of neck injuries, cervical spondylosis, or surgery to provide necessary support and stability, promote neck recovery and functional recovery.

Sponge collar is a simple but effective assistive device that can provide neck support and comfort for patients, helping to alleviate neck discomfort and promote rehabilitation. Choosing a collar of appropriate size and quality is crucial for the treatment effectiveness and comfort of patients.