Liu Zhiguang's invention patent

I. Disease prevention sanitary isolation towel, patent number: 002 14927.3. The invention belongs to health care products, in particular to a disease-preventing health care product for isolating and preventing sexually transmitted diseases. The utility model is composed of a non-woven fabric covered with a plastic film and a double-sided adhesive block, with a rice-shaped slit in the center, which can be used in cooperation with condoms to avoid the spread of sexually transmitted diseases.

2. Metal phimosis expansion separator, patent number: ZL94240067.4. This utility model belongs to medical equipment, made of stainless steel, and has multiple functions. It is safe to treat phimosis in children without sequelae, and it is an effective instrument for treating phimosis in children.

3. Processing method of quick-frozen mountain slag food, patent number: 98110541.6. The invention relates to a method for quick-freezing fresh hawthorn into refrigerated food, which comprises the following steps: making ripe hawthorn fruits into hawthorn pill, or hawthorn skewers, hawthorn cakes and the like. It can also be made by sticking seasoning such as sugar or honey ice cream on the surface of hawthorn fruit in the above shape and putting it in the freezer for quick freezing.