University of Pittsburgh Senior Design – BioE 1160. Pressure Sensing Transseptal Cannula for use with TandemHeart ™ PTVA System. Project Advisors: David H.J. Wang, Ph.D. Douglas E. Smith, Ph.D. Dennis Kopilec Marlin H. Mickle, Ph.D.
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Senior Design – BioE 1160
Pressure Sensing Transseptal Cannula for use with TandemHeart™ PTVA System
Team Members:Mihoko HashimotoLauren KokaiNitin NarayanaKatie O’Callaghan
February 17, 2004
Unmonitored changes in LA pressure of patients on the TandemHeart™ PTVA System (below a certain pressure threshold) may pose a threat to the patient due to a potential “suck down” of tissue (overdrainage of LA). This causes tissue damage and reduced blood flow.
Real time pressure readings in the LA can possibly prevent the tissue “suck down”.
The ultimate goal is to enable real-time measurements of Left Atrial Pressure (LAP) with TandemHeart use, by placing an absolute pressure sensor chip at the tip of the cannula.
+ Study the feasibility of the incorporation of RF transmitter complex to transmit the real-time measurements without need for wiring.
High Level Timing Goals
Project Criteria: Milestone 1 (30%) Milestone 2 (30%)
Milestone 3 (10%) Milestone 4 (10%)
Milestone 5 (5%) Milestone 6 (7.5%)
Milestone 7 (7.5%)
The FCC limits the maximum permissible exposure limits for the maximum rate at which energy can be transferred to a square cm of a person’s body over a period of time.
(47 CFR § 2.1093)