Description

Chromic Catgut Suture is a natural, absorbable suture crafted from purified collagen, sourced from the submucosal or serosal layers of healthy sheep, goat, or bovine intestines. This suture is uniquely treated with chromic salts, providing it with a distinctive brown color and enhancing its performance by delaying absorption and minimizing tissue reactivity.

Key Features

• Absorption Profile: The suture's absorbability is managed through enzymatic proteolysis, with initial tensile strength diminishing within 14 to 21 days and complete absorption occurring typically between 90 to 120 days.
• Tissue Interaction: While it elicits a minimal to mild tissue reaction, its performance is noted for smooth passage through tissue, excellent knot security, and handling due to its twisted multifilament structure.

Sterility and Packaging

Chromic Catgut Sutures are supplied sterile, with sterilization methods including ethylene oxide and gamma irradiation. They are hermetically sealed in sterile containers or foil packs, often accompanied by a tubing fluid to maintain flexibility. Proper storage conditions include keeping the suture below 25°C and at a relative humidity below 50%, away from sunlight and moisture, ensuring a shelf life of up to five years.

Sizes and Configurations

Available in various USP sizes from 6-0 to 3, these sutures come in different lengths and may include a range of needle options such as round bodied, cutting edge, and taper point. The suture and packaging are color-coded brown for easy identification.

Applications

Chromic Catgut Sutures are ideal for general soft tissue approximation and ligation, suitable for use in obstetric, gynecological, gastrointestinal, ophthalmic, and orthopedic surgeries. They are particularly beneficial for temporary tissue approximation in scenarios where suture removal is challenging.

Advantages and Considerations

The suture's biocompatibility and biodegradability eliminate the need for removal, offering cost-effectiveness and wide availability. However, users should be aware of its variable absorption rates and the potential for mild to moderate tissue inflammation compared to synthetic alternatives. It is not recommended for long-term wound support or certain gastrointestinal applications.

Handling Instructions

Proper handling involves standard surgical knot-tying techniques, with additional throws recommended for security. The suture should not be dipped or soaked before use and must be used or discarded immediately after opening. It is intended for single use only and should not be resterilized.

Compliance

This suture meets the United States Pharmacopeia requirements for natural absorbable surgical sutures, ensuring reliable performance in various medical settings.