Provided is a method for producing a chemically modified cellulose fiber with which fibrillation can be performed along with sulfation reaction. The method for producing a chemically modified cellulose fiber includes a step (a) of treating a cellulose fiber with sulfamic acid to allow a cellulose fine fiber which is a constituent of the cellulose fiber to react with the sulfamic acid, thereby substituting some of hydroxyl groups of cellulose with a substituent represented by a structural formula (1) below (where M represents a monovalent to trivalent cation), and a step (b) of performing fibrillation simultaneously with the step (a). ##STR00001##

The present invention discloses a braided silk scaffold with adjustable mechanical and degradation properties, and a preparation method and use thereof, belonging to the field of three-dimensional scaffold materials for tendon/ligament repair. The preparation method includes braiding at least one silk strand to form a silk core; placing 1-6 bundles of silk cores in a braiding machine, and braiding at least one layer of silk cladding on the surface of the silk cores to form a silk base frame; removing sericin from the silk base frame; soaking the silk base frame in a collagen solution with a concentration of 3-20 mg/ml, and cross-linking the silk base frame in a vacuum thermal cross-linking machine to obtain the silk scaffold. The braided silk scaffold with adjustable mechanical and degradation properties according to the present invention has good mechanical properties and biocompatibility.

A unitary, single-use, sanitary sterilizing wipe for a beverage can. It has a number of can wiping interfaces incorporated into its design that matingly conforms to a standard beverage can, and uses a natural sterilizing fluid that is frictionally wiped onto the can's outer surfaces before drinking from the can. It may be used anywhere by opening the polymer seal, removing the wipe, placing it on the top of a beverage can and twisting it under pressure to sterilize the can.

Disclosed are a non-woven fabric composite and an article including the same. The disclosed non-woven fabric composite includes an at least partially electrostatically treated meltblown non-woven layer and a spunbond non-woven layer disposed on one or both sides thereof, pressure loss is less than 5.0 mmH.sub.2O, and a size of the pilling mass after the Martindale abrasion test is less than 5 mm.

One or more electrical components may be incorporated into a piece of fabric. The electrical component may include an internal portion that is located inside of the fabric, an external portion that is located on an exterior surface of the fabric, and protrusions that extend through the fabric to electrically and/or mechanically couple the internal and external portions of the electrical component. The internal portion of the component may be inserted into the fabric during formation of the fabric. The external portion of the component may be coupled to the internal portion after the fabric is formed by inserting the protrusions on the internal portion into recesses in the external portion. The external portion of the component may contain skin-facing and/or viewer-facing input-output devices, while the internal portion may contain circuitry that electrically communicates with the input-output devices in the external portion.

The present invention aims to provide a tissue reinforcement material having water absorbency and high stretchability. Provided is a tissue reinforcement material including a non-woven fabric containing polyglycolide, wherein the tissue reinforcement material has an average fiber diameter of 0.5 .Math.m or more and 7.0 .Math.m or less, an areal density of 1.0 g/m.sup.2 or more and 50 g/m.sup.2 or less, and a flexural rigidity (B value) measured with a pure bending tester of 0.001 gf.square-solid.cm.sup.2/cm or more and 0.01 gf.square-solid.cm.sup.2/cm or less.

A woven retention device for interfacing with a bone surface is provided that includes a sleeve body that can surround a fastener, a proximal end for receiving the fastener, and a distal end. The sleeve body includes interwoven monofilaments of different diameters forming a substantially tubular lattice with protuberances distributed on interior and exterior surfaces of the lattice at a predetermined spatial relationship. In a first state, the sleeve body has a plurality of combinations of filament cross-section geometries at the intersection points, forming a plurality of protuberance thicknesses as measured in a radial direction of the sleeve body. In a second state when a fastener is inserted into the tubular lattice, pressure from the fastener is transmitted to the tubular lattice such that the spatial relationship of the protuberances changes according to a function of bone density and an interfacing surface shape of the fastener.

Pre-dosed wipes and packaged systems of such wipes including a nonwoven substrate formed from renewable natural plant-based fibers or derivatives of such fibers. The pre-dosed wipe as a whole meets applicable biodegradability/compostability standards (e.g., ASTM D6400, EN13432 or the like). The wipe may be a sanitizing or disinfecting wipe, including a quaternary ammonium compound as an antimicrobial agent in the composition with which the substrate is dosed. The composition may also include water and a surfactant. The wipe may be substantially void of thermoplastic fibers, such as PE, PP, PET, as well as so-called biodegradable polyesters and the like (e.g., PHA, PLA, PVOH). The nonwoven substrate may be formed by any of various techniques, an example of which is spunlace. The formulation may have a pH of at least 5 (e.g., 6 to 8), to maintain tensile strength of the natural plant-based substrate.

A nano-zinc oxide-supported bacterial cellulose microfiber-alginate fiber composite is described. The composite is obtained by absorbing nano-zinc oxide-supported bacterial cellulose microfibers on an alginate fiber spunlace non-woven fabric; the nano-zinc oxide is uniformly distributed on the surface of the bacterial cellulose microfibers. This composite has good biocompatibility, mechanical properties and water absorption properties, and has a great application prospect in biomedical fields, such as wound dressings, human body repair materials, tissue engineering materials, etc.

Disclosed are a medicated thread manufacturing system and medicated thread manufacturing method. The medicated thread manufacturing system includes a first slideway and a second slideway, a thread clamping apparatus and a medicine spraying apparatus that are slidably arranged on the first slideway, and a thread winding apparatus slidably arranged on the second slideway. The thread clamping apparatus is used for clamping two ends of a to-be-processed medicated thread, straightening the to-be-processed medicated thread and twisting the to-be-processed medicated thread in the straightened state into a single-strand rope state. The medicine spraying apparatus is used for spraying a medicine towards a surface layer of the to-be-processed medicated thread in the straightened state. The thread winding apparatus is used for abutting a center position of the to-be-processed medicated thread in the single-strand rope state and pulling the to-be-processed medicated thread towards a direction opposite to the first slideway to fold the to-be-processed medicated thread, and used for rotating the to-be-processed medicated thread, such that the to-be-processed medicated thread winds and extends from middle to two ends to be twisted in a double-strand rope state. The control apparatus controls a matching opportunity of the thread clamping apparatus, the medicine spraying apparatus and the thread winding apparatus. Artificial participation is not needed in the manufacturing process of the medicated thread, such that automation of manufacturing the medicated thread is realized.