Facilitating drainage

Details Facilitating drainage Facilitating drainage

2006-05-16

2006-05-16

Pellegrino, Brian E (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Hollow or tubular part or organ

C623S023640, C604S533000

Reexamination Certificate

active

07044980

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

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“An overview of superelastic stent design” T.W. Deurig et al.—Minimally Invasive Therapy & Allied Technologies—vol. 9, No. (3/4), Aug., 2000, ISSN 1364-5706—pp. 235-246.

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