Prostatic stent facilitating drainage

Details Prostatic stent facilitating drainage Prostatic stent facilitating drainage

A - Human Necessities

61

F

A61F 2/84 (2006.01) A61F 2/90 (2006.01)

Patent

CA 2400909

A prostatic stent (3) comprises a body member (5) and a retaining member. The body member (5) includes a distal terminating end (4), a proximal end portion (7), and a lumen extending within the body member to allow fluid drainage through the body member. The body member (5) is sized for placement substantially within the prostatic section of the urethra, with the distal terminating end (4) located proximal of an external sphincter to allow normal operation of the external sphincter. The retaining member (8) extends from the proximal end portion (7) of the body member (5). The retaining member (8) is collapsible into a first state to allow passage of the prostatic stent (3) into the urethra, and the retaining member (8) is expandable into a second state when located in a bladder to hold the body member (5) in place substantially within the prostatic section of the urethra.

L'invention concerne un stent prostatique comprenant un corps et un élément de retenue. Le corps comprend une extrémité terminale distale, une extrémité proximale, et une lumière s'étendant à l'intérieur du corps afin de permettre le drainage du fluide à travers le corps. Le corps est dimensionné de manière à pouvoir être placé sensiblement à l'intérieur de la section prostatique de l'urètre, avec l'extrémité terminale distale située à proximité d'un sphincter externe afin de permettre le fonctionnement normal de celui-ci. L'élément de retenue s'étend à partir de l'extrémité proximale du corps. Il peut se plier dans un premier état afin de permettre le passage du stent prostatique dans l'urètre, et l'élément de retenue est extensible dans un second état lorsqu'il est situé dans une vessie afin de maintenir en place le corps sensiblement à l'intérieur de la section prostatique de l'urètre.

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