The invention discloses materials that adsorb readily to the surfaces of body tissues in situ and provide a steric barrier between such tissues, so that tissue adhesions, which typically form following surgical procedures, are minimized. These materials contain a polymer of hydrophilic molecules such as polyethylene glycol (PEG) bound to a polymer that spontaneously adsorbs to biological tissue such as phenylboronic acid (PBA). The PEG-PBA co-polymer can be formed in a variety of geometries. The materials can also be used to coat prosthetics and other implants.

La invención divulga los materiales que fijan por adsorcio'n fácilmente a las superficies de los tejidos finos del cuerpo in situ y proporcionan una barrera steric entre tales tejidos finos, para reducir al mínimo las adherencias del tejido fino, que forman típicamente después de procedimientos quirúrgicos. Estos materiales contienen un polímero de las moléculas hidrofílicas tales como glicol de polietileno (CLAVIJA) limitan a un polímero que fijaron por adsorcio'n espontáneamente al tejido fino biológico tal como ácido phenylboronic (PBA). El copolímero de PEG-PBA se puede formar en una variedad de geometries. Los materiales se pueden también utilizar para cubrir prosthetics y otro los implantes.

 
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