Dilation device for the urethra

Details Dilation device for the urethra Dilation device for the urethra

A - Human Necessities

61

M

A61M 29/04 (2006.01) A61F 2/06 (2006.01) A61M 29/00 (2006.01)

Patent

CA 2168372

A device for dilating at least an obstructed portion of a urethra includes a hollow core member (24) with opposed open ends permitting urination therethrough from the bladder, a confining covering (33) disposed on the hollow member (24) having a length of at least that of the obstructed portion and having hydrophilic means (32) integrally associated therewith. The hydrophilic means (32) is capable of absorbing water and gradually expanding for at least 30 minutes whereby the outer surface of the confining covering (33) expands radially and outwardly, after insertion into the urethra, until dilation of the obstructed portion occurs to a desired diameter and configuration. Methods for dilating an obstructed portion of the urethra and for treating benign prostatic hyperplasia are also provided.

Dispositif de dilatation au moins d'une partie obstruée d'un urètre. Il comporte un élément central creux (24) à extrémités opposées ouvertes permettant l'écoulement de l'urine à partir de la vessie, une enveloppe (33) placée sur l'élément creux (24), sa longueur étant au moins égale à celle de la partie obstruée, et des éléments hydrophiles (32) associés à l'enveloppe. Les éléments hydrophiles (32) peuvent absorber l'eau et prendre progressivement du volume pendant au moins 30 minutes de manière que la face externe de l'enveloppe (33) se dilate radialement vers l'extérieur, après l'introduction dans l'urètre, et jusqu'à ce que la partie obstruée soit dilatée et qu'elle ait le diamètre et la configuration voulus. En outre, on a prévu des procédés de dilatation d'une partie obstruée de l'urètre, et de traitement de l'hyperplasie prostatique bénigne.

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