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Application of Nickel Titanium in Prosthetic Heart Valves : Suggestion of a Micro-Robot Device

원문정보

초록

영어

This paper suggests a new model, for prosthetic heart valve implantation surgery using shape memory alloy (SMA), as the solution to the current existing limitations. It is true that prosthetic heart valve technology improved significantly since its first introduction in the 1950s. Nevertheless, the surgery is invasive because it requires opening one's heart. This not only increases the risk of the surgery itself, but restrains the elderly from receiving such surgical procedures. The research is divided into three sections. Researchers begin by introducing the current procedure of prosthetic heart valve implantation, and conduct a comparative analysis of SMA. Second, the limitations that exist in the current status quo of implantation surgery, are examined. Third, based on the comparative analysis of SMA, researchers suggest a new model of conducting a prosthetic heart valve surgery, and elaborate on future expectations. As this study is approaching the matter theoretically, further discussion is needed on the issue of practicality and feasibility in application.

목차

ABSTRACT
 INTRODUCTION
 THEORETICAL BACKGROUND
  Mechanism of Heart Valves
  Study on Previous Technology of Prosthetic Heart Valve Implantation
  Shape Memory Alloy (SMA)
 SUGGESTION OF APPLYING MICRO-ROBOT MODEL FOR THE DEVICE
 DISCUSSION ON THE MATERIAL
  NI-Ti
  Cu-Zn-Al, Cu-Al-Ni (Cu based)
  Ferromagnetic shape memory alloy
 THE MODEL'S SUITABILITY AS A PROSTHETIC HEART VALVE
  Biocompatibility (No Risk of Infection, Inflammation, Rejection)
  Durability
  Availability for Mass Production
  Acceptability to the Patient
  No Risk of Thrombosis
  Pressure equilibrium
 CLOSING REMARK (FUTURE EXPECTATIONS)
 CITATION

저자정보

  • Seong Hoon Kam Hana Academy Seoul, 535, Yeongseoro, Eunpyeong-gu, Seoul, Republic of Korea
  • Ga Hyun Kim Hana Academy Seoul, 535, Yeongseoro, Eunpyeong-gu, Seoul, Republic of Korea
  • Ki Woo Song Hana Academy Seoul, 535, Yeongseoro, Eunpyeong-gu, Seoul, Republic of Korea

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