Document Detail


An annular compliance chamber for the Pennsylvania State University electric total artificial heart.
MedLine Citation:
PMID:  8268569     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To eliminate the need for a separate parapleural compliance chamber, we are currently investigating the feasibility of an annular compliance chamber. This chamber wraps around the energy converter and fits between the blood pumps of the Pennsylvania State University electric total artificial heart. For the 100 cc total artificial heart, the compliance chamber volume is 76 ml and the tissue contacting surface area is approximately 85 cm2. The chamber is made of Dacron velour covered segmented polyether polyurethane urea. The annular compliance chamber was evaluated in vitro by comparing pump balance control performance against that obtained with an open vent. In the CVP range of 5-12 mmHg, LAP was maintained within 1 mmHg of the values obtained with a vent. Studies continue to determine the range of volumes over which the chamber is effective, differences in rates of diffusion, and performance during changes in barometric pressure.
Authors:
J D Reibson; G Rosenberg; A J Snyder; T J Cleary; J H Donachy; G Felder; W S Pierce
Related Documents :
2312139 - Development of an implantable motor-driven assist pump system.
11075899 - Modeling and control of a magnetic bearing system for the magnetically suspended centri...
8621199 - Pulse pressure correlates in humans with a proscillaridin a immunoreactive compound.
8993259 - Flow characteristics of the hemopump: an experimental in vitro study.
8944949 - In vitro evaluation of automatic control performance of a total artificial heart with c...
17386089 - Laboratory study on "intracranial hypotension" created by pumping the chamber of a hydr...
1720479 - The multicenter isradipine/diuretic atherosclerosis study: a study of the antiatherogen...
22673879 - Impact of arterial hypertension on the eye.
19963859 - Microwave non-invasive sensing of respiratory tidal volume.
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  ASAIO journal (American Society for Artificial Internal Organs : 1992)     Volume:  39     ISSN:  1058-2916     ISO Abbreviation:  ASAIO J.     Publication Date:    1993 Jul-Sep
Date Detail:
Created Date:  1994-01-31     Completed Date:  1994-01-31     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9204109     Medline TA:  ASAIO J     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  M415-8     Citation Subset:  IM    
Affiliation:
Department of Surgery, M. S. Hershey Medical Center, Pennsylvania State University, Hershey 17033.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:
Atmospheric Pressure
Blood Pressure / physiology
Cardiac Output / physiology
Compliance
Electric Power Supplies
Equipment Design
Heart, Artificial*
Hemodynamics / physiology*
Humans

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  Effects of a total artificial heart right stroke volume limiter on left-right hemodynamic balance.
Next Document:  Hemodynamic changes with posture in calves with total artificial heart.