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Keywords: catheters
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Journal Articles
Article Type: Research Papers
J. Med. Devices. December 2011, 5(4): 041007.
Published Online: November 28, 2011
... assist via direct cardiac compression without abnormally inverting the curvature of the heart. The actions and features described above were mapped to particular design solutions and assessed in an acute implantation in an ovine model of acute heart failure (esmolol overdose). A balloon catheter...
Journal Articles
Article Type: Research Papers
J. Med. Devices. June 2011, 5(2): 021003.
Published Online: June 17, 2011
... the line of any residual medication. The risk of infection due to the introduction of bacteria in the catheter hub is increased with the number of times the hub is accessed. In addition, the two-step process adds millions of nursing hours per year and is prone to error. The goal of this effort...
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2011, 5(2): 027538.
Published Online: June 15, 2011
...Trevor Bruns; John Tucker; D. Caleb Rucker; Philip Swaney; Emad Boctor; E. Clif Burdette; Jessica Burgner; Robert Webster 15 06 2011 15 06 2011 catheters prosthetics surgery Concentric tube continuum devices, known as active cannulas, consist of multiple precurved elastic...
Journal Articles
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2011, 5(2): 027531.
Published Online: June 14, 2011
...Chris Rolfes; Paul Iaizzo 14 06 2011 14 06 2011 cardiology catheters defibrillators drug delivery systems surgery A longstanding controversy in the field of cardiac surgery is whether or not to repair the pericardium on completion of open heart surgery. The device...
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2011, 5(2): 027532.
Published Online: June 14, 2011
...Alex Ryan; George Mallin; Paul A. Iaizzo 14 06 2011 14 06 2011 biomechanics cardiovascular system catheters haemodynamics haemorheology In vivo animal models have been and remain the “gold standard” for medical device testing. However, these models sometimes present...
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2011, 5(2): 027523.
Published Online: June 13, 2011
...Samuel B. Kesner; Robert D. Howe 13 06 2011 13 06 2011 biomedical ultrasonics cardiovascular system catheters surgery Cardiac catheters allow clinicians to minimally invasively interact with the beating heart without stopping the heart or opening the chest. However...
Journal Articles
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2011, 5(2): 027521.
Published Online: June 13, 2011
...Alexander H. Slocum, Jr.; Anand Jagannath; Tyrel Waagen; Arvind K. Agnihotri; Robert A. Levine 13 06 2011 13 06 2011 bellows catheters diseases haemodynamics physiological models pulsatile flow surgery Percutaneous treatments for heart disease have created new...
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2011, 5(2): 027502.
Published Online: May 27, 2011
...Tan Ta; Tsung-chow Su 27 05 2011 27 05 2011 biological fluid dynamics biomedical engineering catheters coatings geometry hydrophobicity microorganisms For some postsurgical patients and stroke victims, a drainage bag is used to discharge urine. As a small...
Journal Articles
Article Type: Research Papers
J. Med. Devices. September 2010, 4(3): 031002.
Published Online: August 31, 2010
...) cryogel membranes were tested for their ability to stretch with uniaxial tension tests and for puncture strength with a modified ASTM method. Additionally, PVA cryogel covered stents were made by coating expanded bare metal stents. These covered stents were then hand-crimped onto a balloon catheter...
Journal Articles
Article Type: Design Innovations
J. Med. Devices. September 2010, 4(3): 035001.
Published Online: August 31, 2010
... shown that mild hypothermia, reducing tissue temperatures by 2 – 4 ° C , has the potential to save heart tissue that is not adequately perfused with blood. This paper describes the design of a cooling guide catheter that can provide rapid, local cooling to heart tissue during emergency angioplasty...
Journal Articles
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027542.
Published Online: July 24, 2009
... of time spent in iterative design cycles. An overview of the design process will be presented and discussed within the context of a specific case study–the rapid design/fabrication of a chordal cutting device. Experimental results will be used to assess: (i) The performance of the catheter in maneuvering...
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027543.
Published Online: July 24, 2009
...W. Elkhatib; A. Noreddin Central venous catheter (CVC)-associated infections have substantial impacts on morbidity, mortality, and overall cost of health care. Acinetobacter baumannii causes severe infections, survives on abiotic surfaces, colonizes and develops resistant biofilm on different...
Topics: Catheters
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027531.
Published Online: July 9, 2009
... with the medical device industry to reduce the quantity of packaging and waste associated with cardiac catheters, reduce the use of toxic cleaning solvents, minimize the use of PVC, and research safer disinfection and sterilization methods. This poster includes case studies of the above mentioned projects...
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027530.
Published Online: July 9, 2009
... fixed human hearts studied had negative ostia heights, but the effect on coronary flow is not known. 09 07 2009 blood vessels cardiovascular system catheters diagnostic radiography endoscopes haemorheology 2009 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027511.
Published Online: July 6, 2009
... is a multi-port infusion catheter incorporated into a temporary pacing lead. Placement of the device would be trivial for surgeons, who routinely place temporary pacing leads prior to closing the chest. Removal of the device post-operatively would be equally simple. More complex iterations include...
Journal Articles
Article Type: Design Of Medical Devices Conference Abstracts
J. Med. Devices. June 2009, 3(2): 027512.
Published Online: July 6, 2009
... tissue damage. Cryoablation was performed using a prototype balloon catheter cryoablation system (Boston Scientific Corporation). CT visualization of iceball formation was assessed both in vitro and in vivo. Initial in vitro studies were performed in agarose gel phantoms immersed in a 37 ° C water bath...
Journal Articles
Article Type: Design Innovations
J. Med. Devices. June 2009, 3(2): 025001.
Published Online: June 4, 2009
...Alexander H. Slocum, Jr.; William R. Bosworth; Anirban Mazumdar; Miguel A. Saez; Martin L. Culpepper; Robert A. Levine, MD This paper focuses on the design and implementation of a percutaneous catheter-based device to provide physicians with an externally controlled tool capable of manipulating...