Columellar strut for nasal tip support
A component and nasal cavity technology, which is applied in the field of bioabsorbable medical devices and can solve problems such as unoptimized nasal tip support treatment methods and the like
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[0049] The U-shaped nasal center column support bar of the present invention is thermoformed from a flat polymer sheet consisting of 20% by weight of polydioxanone polymer and 80% by weight of 85 / 15 Blends of copolymers of poly(lactide-co-glycolide) were prepared. Plates were extruded using a 5 / 8" extruder and a 6" slot film die. The extruder and slot die were manufactured by Randcastle Extrusion Systems Inc., Rohan Berlin, NJ, USA. The film die has a temperature between about 160°C and 180°C. The plate has a thickness of about 0.25mm. A strip of membrane is perforated to create the perforations and contours of the device. The support rods have a width of 8mm and a length of 30mm. Two rows of suture holes approximately 1.0 mm wide by 2.5 mm long were formed along a first line approximately 3 mm from the centerline of the spine and a second line 2 mm from the first line. The cavity is formed by die cutting. In a subsequent step, the precut device is placed in a forming di...
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