摘要:
An apparatus and method for providing reinforced surgical fastener suture lines to prevent tissue tearing and fluid leakage following the creation of an anastomosis, the closing of margins following the removal of diseased tissue, and/or the ligating and dividing of individual blood vessels. A retainer assembly is provided having an alignment frame and a pressure equalization member. The alignment frame includes an internally disposed receiving area for housing the pressure equalization member and a pair of guide channels disposed in fluid communication with the receiving area for guiding the jaw members of a surgical fastener applying device into contact with pledget material disposed within the receiving area. Any number of surgical fastener applying devices may be retrofitted to provide reinforced surgical fastener suture lines by applying an adhesive along the length of the pledget material, positioning the jaw members of a surgical fastener applying device within the guide channels, and closing the surgical fastener applying device such that the jaw members are brought into compressed contact with the adhesive-laden pledget material. The surgical fastener applying device may then be opened with the pledget material releasibly attached to the jaw members, the jaw members positioned about a section of body tissue, and the surgical fastener applying device fired to create a reinforced suture line boasting reduced tissue tearing and reduced fluid leakage.
摘要:
A pre-determined concentration of stabilized, maturation-arrested porcine reticulocytes in a red blood cell base, useful as a reticulocyte control composition. The composition can be provided in the form of a concentrated reticulocyte composition, to be diluted to a desired final reticulocyte concentration at the time of use. The composition can also be provided in the form of a diluted, ready-to-use control composition. Also included is a method of preparing such a composition, the method involving sequential steps of forming and sedimenting Rouleaux bodies.
摘要:
A pre-determined concentration of stabilized, maturation-arrested porcine reticulocytes in a red blood cell base, useful as a reticulocyte control composition. The composition can be provided in the form of a concentrated reticulocyte composition, to be diluted to a desired final reticulocyte concentration at the time of use. The composition can also be provided in the form of a diluted, ready-to-use control composition. Also included is a method of preparing such a composition, the method involving sequential steps of forming and sedimenting Rouleaux bodies.
摘要:
A pre-determined concentration of stabilized, maturation-arrested porcine reticulocytes in a red blood cell base, useful as a reticulocyte control composition. The composition can be provided in the form of a concentrated reticulocyte composition, to be diluted to a desired final reticulocyte concentration at the time of use. The composition can also be provided in the form of a diluted, ready-to-use control composition. Also included is a method of preparing such a composition, the method involving sequential steps of forming and sedimenting Rouleaux bodies.
摘要:
A non-crosslinked, decellularized and purified mammalian tissue (e.g., bovine pericardium) having particular use as an implantable resorbable material. The material is treated by alkylating its primary amine groups in a manner sufficient to reduce the antigenicity of the tissue, permitting the treated tissue to be used in vivo and without crosslinking, and in turn, permitting it to be resorbable. The material can be used in surgical repair of soft tissue deficiencies for a certain period of time while the implant itself is gradually remodeled or absorbed by the host. Also provided are a method of preparing such a material, as well as a method of using such a material for surgical repair.
摘要:
A non-crosslinked, decellularized and purified mammalian tissue (e.g., bovine pericardium) having particular use as an implantable resorbable material. The material is treated by alkylating its primary amine groups in a manner sufficient to reduce the antigenicity of the tissue, permitting the treated tissue to be used in vivo and without crosslinking, and in turn, permitting it to be resorbable. The material can be used in surgical repair of soft tissue deficiencies for a certain period of time while the implant itself is gradually remodeled or absorbed by the host. Also provided are a method of preparing such a material, as well as a method of using such a material for surgical repair.