Manually actuated hydraulic sphincter

Details Manually actuated hydraulic sphincter Manually actuated hydraulic sphincter

1982-09-21

1986-02-25

Apley, Richard J.

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

Implantable prosthesis

Vocal cord

128 1R, 128DIG25, 128748, 128 79, A61F 100, A61F 500, A61B 1400

Patent

active

045717494

ABSTRACT:
An implantable hydraulic urinary sphincter system is disclosed for maintaining continence in those patients unable to control or stop inadvertent urinary flow. The invented apparatus generally consists of an artificial urinary sphincter and a control means for obtaining continence while causing the artificial sphincter to apply minimal pressure to the urethra for all conditions of the bladder. The invented apparatus: (1) automatically causes sphincter fluid pressure to increase or decrease with sensed bladder and/or abdominal pressure, and (2) is manually actuated by a patient when he or she desires to urinate. The invented apparatus can be filled with fluid, or the fluid pressure can be reset, after implantation without necessitating a surgical procedure.

REFERENCES:
patent: 4106510 (1978-08-01), Hakim et al.
patent: 4408597 (1983-10-01), Tenny, Jr.
Timm et al., "Intermittent Occlusion Syst", IEEE Trans, Oct. 1970, vol. 17, p. 352.

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