Patent Publication Number: US 8685032 B2
Title: Pressure sensing vertebroplasty extension tube
Filing Date: February 15, 2011
Priority Date: February 23, 2010
Inventor(s): Jeffry S. Melsheimer
Original Assignee / Applicant(s): Cook Medical Technologies Llc
Link to Patent: US8685032B2
Summary:
This invention discloses a pressure sensing tube for conveying material through a lumen under pressure. This tube comprises an inner tube, an outer membrane and a Fujifilm Prescale® or Pressurex® film, of Sensor Products Inc., in between. When the pressure in the lumen reaches a certain value, the Fujifilm Prescale® or Pressurex® film changes in color corresponding to the pressure. The patent also mentions “Tactile pressure indicating sensor film” of Sensor Products Inc., in the non-patent citations.