COVIDIEN Chromic gut absorbable sterile surgical sutures are composed of purified connective tissue (mostly collagen) derived from the serosal layer of beef (bovine) intestines. They are packaged in a solution of 89% isopropanol, 10% water, and 1% triethanolamine. Chromic gut sutures are treated with chromic salt solution.
The manufacture of catgut raw material, consisting of long ribbons of highly selected serosal tissue, ensures:
Purity of collagen for optimal tensile strength and in-vivo performance
Uniform treatment with a buffered chromium salt solution, resulting in a chromic strand with a more predictable strength and uniform in-vivo absorption
Surface smoothness to facilitate knot run-down and knot strength, due to electronic polishing of each strand.
Chromic gut sutures are indicated for use in general soft tissue approximation and/or ligation, including use in ophthalmic surgery, but not in cardiovascular or neurological surgery.
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