The design of U-shaped cervical hot water bottle integrates ergonomics, heat transfer principle and material science knowledge, and meets people's needs for hot compress cervical spine from the aspects of fitting neck curve, efficient warmth, safety and reliability. The following is your introduction:

Ergonomics: The U-shaped design perfectly fits the natural curve of the neck. Normal human cervical spine has a forward physiological curvature, U-shaped hot water bag can be tightly wrapped around the neck, from the back of the cervical spine under the occipital bone, along the two sides of the trapezius muscle extended to the front of the throat on both sides, giving the neck all-round support. This fit avoids the limitation of local contact with traditional hot water bags, so that the entire neck muscle group can be evenly heated, and the relaxation effect is more comprehensive. For example, whether the user is sitting at the office, watching TV, or lying down, the U-shaped design can be adapted to the neck posture, ensuring that the hot compress effect is not affected by the posture.

Heat transfer principle: hot water is stored inside the hot water bag, and heat transfer is achieved by heat conduction. The direction of heat transfer is always from the hot area (hot water) to the cold area (neck skin and subcutaneous tissue). U-type hot water bags are usually made of materials with good heat conduction performance, such as soft PVC materials, which can quickly transfer hot water heat to the skin surface, and then penetrate into the subcutaneous tissue to promote local blood circulation. At the same time, in order to ensure that the heat is sustained and stable, the thickness of the hot water bag and the insulation of the material are carefully designed to release the heat slowly and maintain the long-term hot compress effect, which can generally keep the warm state for 1-2 hours and continue to provide warm care for the neck.

Safety protection design principle: In order to prevent burns, the U-shaped cervical hot water bag has multiple safety considerations in design. First of all, the water injection port uses a special sealing structure to ensure that the hot water does not leak, such as the use of spiral sealing plug, with rubber gaskets, to increase the sealing and avoid the risk of burns caused by water leakage. Secondly, some products are equipped with a temperature control system, when the water temperature in the bag exceeds the safety threshold, the heating power supply is automatically cut off or the cooling measures are started to ensure the safety of use. Moreover, the selected materials meet the safety standards, not only non-toxic and harmless, but also have a certain heat resistance, can withstand hot water and high temperature without deformation, do not release harmful substances, from the source to ensure user safety.

Changzhou Yuefeng Plastic Products Co., Ltd. specializes in the production of hot water bottle, PVC hot water bottle, hand warm hot water bottle, cold water sack, insert hot water bottle,,cervical spine hot water bag, plush hot water bottle.