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343 results about "Sweat gland" patented technology

Sweat glands, also known as sudoriferous or sudoriparous glands, from Latin sudor, meaning 'sweat', are small tubular structures of the skin that produce sweat. Sweat glands are a type of exocrine gland, which are glands that produce and secrete substances onto an epithelial surface by way of a duct. There are two main types of sweat glands that differ in their structure, function, secretory product, mechanism of excretion, anatomic distribution, and distribution across species...

In-vitro inducing differentiation of umbilical cord mesenchymal stem cells into tissue engineering skin seed cells

The invention relates to in-vitro inducing differentiation of umbilical cord mesenchymal stem cells into skin tissue engineering seed cells. The invention discloses a new research direction for human umbilical cord mesenchymal stem cells, i.e. in-vitro inducting differentiation into skin tissue engineering seed cells. The invention also discloses an experimental method thereof, which comprises the following steps: collecting the caesarean umbilical cords in aseptic environment; culturing original-generation umbilical cord mesenchymal stem cells (UCMSCs) by an enzyme digestion or tissue-piece adherent method; after purifying and subculturing to the third generation, inducing by using different in-vitro condition induction liquids to differentiate into epidermis stem cells and fibroblasts; and inducing and differentiating epidermis stem cells and fibroblasts into sudoriferous gland cells by using coculture mode with the normal sudoriferous cells. After the induced cells are digested, liquid nitrogen is stored for later use. The invention provides seed cells for skin tissue engineering, and has the advantages of strong multiplication capacity, easy inducing differentiation, low immunogenicity, abundant sources and easy obtainment.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA

Preparation method of tissue engineering skin containing appendant organs

The invention relates to a preparation method of tissue engineering skin containing appendant organs. In the invention, the preparation method comprises the following steps of: inoculating amniotic mesenchyme stem cells, amniotic mesenchyme stem cells induced to the directions of hair papillae, amniotic epithelial cells and amniotic epithelial cells induced to the directions of the epithelia of the sweat gland into a gel solution, then inoculating the amniotic epithelial cells and the amniotic epithelial cells induced by keratinocyte in a warp direction on the surface of a structure of the hair follicle and the sweat gland after culturing by a dermal layer by induced culture forming the structure of the hair follicle and the sweat gland, and obtaining the tissue engineering skin with the structure of the hair follicle and the sweat gland after culturing. The skin has elasticity, toughness, vigorous cellular metabolism, strong multiplication capacity, sufficient secretion of extracellular matrices, tight linkage of the cuticular layer, the inophragma and the cells of the dermal layer and little possibility of falling off, enhances the success rate of transplantation, can promote the healing of a wound surface, enhances the effects of restoration and replacement and has the function of regulating the immunological rejection of a receptor; by the contained structure of the hair follicle and the sweat gland, the function of the skin is more complete; the adopted amniotic tissues are postpartum wastes and have extensive source, strong cell multiplication capability and multiplepassage frequency; and the invention is beneficial to the mass production of seed cells and lowers the industrialization cost.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY +1

Dynamic lumbar spinal cord comprehensive fumigation treatment device

ActiveCN103550059AFully effective absorbencyEfficient use ofMedical devicesBathing devicesHuman bodyStoma
The invention discloses a dynamic lumbar spinal cord comprehensive fumigation treatment device which is applied to the field of medical instruments and comprises a frame body and a supporting plate arranged on the frame body and allowing human bodies to lie low. A medicine heating bath is arranged below the supporting plate, a fumigation zone is arranged right above the medicine heating bath on the supporting plate, dense steam rising holes are formed in the fumigation zone, and a lower limb moving device is arranged behind the fumigation zone on the supporting plate. When a user lies low on the supporting plate to achieve fumigation on the lumbar spinal cord through the fumigation zone, the lower limb moving device can drive motion and tension of lumbar spinal cord tissues to ensure fumigated medicines to be to be absorbed and utilized fully and effectively, the user can move lower limbs positively, load increasing and torsional resistance flexion and extension and other activities of angles, hips and kneeds are performed actively, therefore, expansion of vessels in the body is prompted, blood circulation of body surface tissues and great secretion of sweat glands are promoted, activity of skins is improved quickly, and absorption effect of the skins is improved. The dynamic lumbar spinal cord comprehensive fumigation treatment device is novel in design and conforms to the skin pharmacology.
Owner:广东孜未医疗科技有限公司
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