fig1

Figure 1. Medical catheter products equipped with miniature tactile sensors. (A) TRUEPHYSIO^® pressure measuring catheter from InsightLifetech Co., Ltd. (Available from: http://beixin.paiky.com.cn/product/122.html). (B) Mikro-Cath pressure measuring catheter from Millar Instruments Inc. (Available from: https://millar.com/Clinical/MikroCath/#Cardiovascular-Pressures). (C) Pressure measuring catheter from Scisense Inc. (Available from: http://www.bandetek.com/templates/consulting_008_1/second_14_148.html).