公开(公告)号：US20080254091A1

公开(公告)日：2008-10-16

申请号：US12065713

申请日：2006-07-14

Applicant: Young-Woo Lee ,  Bo-Young Chu

Inventor： Young-Woo Lee ,  Bo-Young Chu

IPC: A61L31/04 ,  B32B5/02 ,  B32B5/18 ,  B05D3/00 ,  B05D1/00 ,  A61K38/48 ,  A61K38/57 ,  A61K31/727 ,  A61K38/49

CPC classification number: A61L31/10 ,  A61L2400/12 ,  D01D5/003 ,  Y10T428/249921 ,  Y10T428/249988

Abstract: The present invention relates to a multi-layered anti-adhesion barrier, particularly to a multi-layered anti-adhesion barrier comprising a nanofibrous structured base layer electrospun from a hydrophobic, biodegradable, biocompatible polymer and a polymer layer formed by coating a hydrophilic, biooriginated polymer on the base layer, and a method for the preparing the same. The multi-layered anti-adhesion barrier of the present invention can solve the problems of the conventional gel, solution, sponge, film or nonwoven type anti-adhesion systems, including adhesion to tissues or organs, flexibility, physical strength, ease of handling (ease of folding and bending), etc., offers improved user convenience. With a nanofibrous structure, the multi-layered anti-adhesion barrier of the present invention effectively blocks the infiltration or migration of blood and cells and promotes the healing of wounds. It is not torn or broken when folded or rolled and can be easily handled using small surgical instruments. Thus, it can minimize a foreign body reaction when used in various surgical operations.

Abstract translation: 本发明涉及一种多层抗粘连屏障，特别涉及一种多层抗粘连屏障，其包括由疏水性，可生物降解的生物相容性聚合物构成的纳米纤维结构化基层电纺丝，以及通过将亲水的，生物活化的 基材层上的聚合物及其制备方法。 本发明的多层防粘附屏障可以解决常规的凝胶，溶液，海绵，膜或非织造类型的抗粘连系统的问题，包括对组织或器官的粘附，柔韧性，体力，易于处理（ 折叠和弯曲的方便性）等，提供了改善的用户便利性。 利用纳米纤维结构，本发明的多层抗粘连屏障有效地阻止了血液和细胞的渗透或迁移，促进了伤口的愈合。 折叠或滚动时不会撕裂或破裂，可以使用小型手术器械轻松处理。 因此，当用于各种外科手术时，可以使异物反应最小化。

公开(公告)号：US07313076B2

公开(公告)日：2007-12-25

申请号：US10899071

申请日：2004-07-27

Applicant: Young-woo Lee

Inventor： Young-woo Lee

IPC: G11B7/00

CPC classification number: G11B7/1267 ,  G11B7/0045 ,  G11B7/00736

Abstract: A method of and apparatus for setting optimum recording power using characteristic values calculated inversely from recording power that allows a recordable optical disc to have a minimum value of jitter. The method includes setting a first optimum recording power value using characteristic values of an RF signal detected from an optical disc, and recording a predetermined pattern on the optical disc while changing the first recording power value; measuring a value of jitter according to the recorded pattern, and setting a recording power value when a minimum value of jitter is obtained as a second optimum recording power value; inversely calculating the characteristic values from the second optimum recording power value; and setting a third optimum recording power value using the inversely calculated characteristic values. Accordingly, it is possible to improve recording and reproducing qualities of optical discs that have the same time information and ID but their writing/reading speeds and media are different.

Abstract translation: 使用从允许可记录光盘具有最小抖动值的记录功率反向计算的特征值来设置最佳记录功率的方法和装置。 该方法包括使用从光盘检测的RF信号的特征值来设定第一最佳记录功率值，并且在改变第一记录功率值的同时在光盘上记录预定图案; 根据记录图案测量抖动值，并且当获得最小抖动值作为第二最佳记录功率值时，设置记录功率值; 从第二最佳记录功率值反演计算特征值; 以及使用所述逆计算的特征值来设定第三最佳记录功率值。 因此，可以提高具有相同时间信息和ID但是其写入/读取速度和媒体不同的光盘的记录和再现质量。