Method of manufacturing a dental cord
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United States of America Patent
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May 25, 2021
Grant Date -
N/A
app pub date -
Oct 21, 2019
filing date -
Dec 17, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a method of manufacturing a dental cord. The method including: producing a spinning solution by dissolving a fiber-moldable hydrophobic polymer material in a solvent; spinning the spinning solution to obtain a polymer nanofiber web composed of nanofibers and including three-dimensional micropores; laminating the polymer nanofiber web to obtain a polymer membrane; slitting the polymer membrane to obtain a nanofiber tape yarn; hydrophilic-treating the nanofiber tape yarn to obtain a hydrophilic-treated nanofiber tape yarn; plying and twisting the hydrophilic-treated nanofiber tape yarn with a covered yarn to obtain a nanofiber multiple yarn; and impregnating the nanofiber multiple yarn with a hemostatic agent.
First Claim
Family
International Classification(s)
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- A61C:DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL....
- D02J:FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
- D02G:CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR T....
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
- D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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