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Medical - Medical: Instruments / cardiology | | English term or phrase: aortic sizers | | Thank you in advance for an explanation or a link |
| | | aortic sizers | Explanation:
Used in valve replacement surgery to determine the appropriate size of the prosthetic heart valve.
A variety of accessories are available for quick and easy selection of optimal valve type, appropriate valve size and ideal positioning for valve placement.
http://www.atsmedical.com/Products.aspx?id=1378
Sizing of the annulus is performed next (Video 5), first determining the diameter, and later checking the seating of the prosthesis, especially in relation to the orifices of coronary arteries and to the aortotomy itself. Misleading dimensions of the sizers must be kept in mind [8,9], to select a prosthesis which will actually fit into the annulus.
http://mmcts.ctsnetjournals.org/cgi/content/full/2005/1129/m... |
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23 mins confidence:  
28 mins confidence: Heart valve sizers for prosthetic valves
Explanation:
Aortic Sizers
In aortic or mitral valve replacement, assessment of the native annular size and selection of the correspondingly sized prosthetic valve is necessary to achieve maximum hemodynamic performance. With the Nitinol Aortic Sizer the diameter of the orifice can be cetermined precisely. The shaft of the instrument is made of Nitinol with thermal shape memory effect. Soft pressure allows the surgeon to shape the sizer to fit the patients geometry. The hollow geometry allows a perfect view in the annulus. After heat sterilisation the sizer returns to its original straight shape.
Aortic Sizers
In aortic or mitral valve replacement, assessment of the native annular size and selection of the correspondingly sized prosthetic valve is necessary to achieve maximum hemodynamic performance. With the Nitinol Aortic Sizer the diameter of the orifice can be cetermined precisely. The shaft of the instrument is made of Nitinol with thermal shape memory effect. Soft pressure allows the surgeon to shape the sizer to fit the patients geometry. The hollow geometry allows a perfect view in the annulus. After heat sterilisation the sizer returns to its original straight shape.
The Aortic Sizers are arranged in ascending order according to length and width.
www.endosmart.com/index.php?id=34 - Similar pages
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| May 27, 2008 - Changes made by Alexander Vorobyev: | | Field (specific) | Medical (general) => Medical: Instruments |
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