• Journal of the Korean Society of Clothing and Textiles
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• v.40 no.5
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• pp.855-866
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• 2016

This study explored the concept and use of two kinds of textiles goods (Cheongpo [blue textile] and Samseung) sold by Cheongpo-jeon merchants in the Joseon Dynasty of Korea. Research was conducted based on an analysis of relevant documents published during the Joseon Dynasty. The Cheongpo-jeon was a merchant group that predated 1637. They sold various imported goods such as Cheongpo, Samseung, cotton textiles, felts, hats, incense, and needles. Cheongpo and Samseung were the main products among these imported goods. Cheongpo was a blue cotton textile imported from China that was sold by Chengpo-jeon merchants. The Samseung sold by merchants was a kind of imported textile whose surface provided a feeling like cotton flannel. The concept of the two textiles were different from existing ideas. Generally, the Cheongpo was believed to be a hemp fabric dyed in blue and the Samseung was a textile with a density of three seung (a traditional density unit of textiles). Cheongpo was used as a currency for war supplies during the two Japanese invasions of Korea (1592 to 1598). In addition, it was also used to make military uniforms, tents, and flags after the Japanese invasion. Samseung was used in the combat uniforms of Chinese soldiers from Ming China during the Japanese invasion of Korea. In addition, it was continuously used to make quilted gambeson amour and some of military uniforms until the $19^{th}$ century.

• Journal of Chest Surgery
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• v.29 no.6
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• pp.639-645
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• 1996

A 14-year-old male patient with previous surgical repair of tetralogy of Fallot was admitted with hemodynamically significant ventricular tachycardia (VT). On preoperative electrophysiologic study (EPS), the morphology of documented VT was RBBB of vertical axis with 320 msec cycle length. The endocardial mapping during VT delineated the origin of VT at right ventricular outflow tract (RVOT), where the patch was attached. The clinical VT had a clockwise reentry circuit around the patch with the earliest activation at the same site seen during the preoperative EPS. The previously placed right ventricular outflow patch and fibrous tissue were removed. During a postoperative EPS, it was no longer possible to induce the VT. Ventricular tachycardia following repair of tetralogy of Fallot seen in this patient was caused by a macro-reentry around the right ventricular outflow patch. We were able to ablate the VT with the aid of a detailed mapping of its epicardial activation sequence.