application of tex
application of textiles in heart prostheses
dr.Ibrahim .g.,e.
A Prosthesis is a device that is used to overcome surgically some deficiency in the body. The most common prostheses are vascular ,prosthetic heart valves and patches…etc
Classification of prostheses
Each prosthesis shall be classified as indicated below
1-synthetic textile
A-knitted B-woven
2-synthetic non-textile
A-extruded /expanded polymers
3-Biological
A-Allograft B- Xenograft
Patches
Patches are used to close gaps in the septal wall of the heart . Prosthetic patch has become a widely accept technique for the repair of coarctation .
Patch may be either autogenous or synthetic. Synthetic patches may be made from polyester or teflon mesh or tightly woven polyester .The size of the patch is determined by the length of the arteriotomy , and the patch is made large enough to ensure that sutures can be placed in an area of the heart that is free of disease . patch has been laminated on to the surface of a cardiac pumping diaphragm to maintain a totally biolized surface.
