Artificial bladder

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone

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623 11, 600 30, A61F 204, A61F 202

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053706900

ABSTRACT:
An apparatus for use as an artificial bladder for implantation into a patient. The apparatus is comprised of a bladder having a rigid outer shell and a flexible inner shell that are connected at a bladder neck thereby creating an open space between the outer shell and inner shell that contains a biocompatible fluid, a storage unit for storing the biocompatible fluid at a pressure lower than the pressure inside the bladder, a pumping unit for creating a positive pressure to pump the biocompatible fluid from the storage unit to the open space in the bladder, a ureter replacement unit for allowing urine to move from the kidneys to the inner shell of the bladder, a valve unit for allowing the urine to exit the bladder, a urethra replacement unit for allowing the urine to exit the body from the valve unit and tubine units for allowing the biocompatible fluid to move between the bladder, storage unit and pumping unit.

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B. Friedman, D. Smith, and A. Finkle, Prosthetic Bladder of Silicone Rubber in Dogs, Investigative Urology, vol. I, pp. 323-338 (1964).
L. Belden, G. Kushner, U. Wascher, M. Naslund, and J. Mostwin, Design, Fabrication, Evaluation and Iterations of Tailored Urinary Bladder Prosthesis, Journal of Urology, vol. 143 Suppl. 1, p. 410A (1990).
C. Abbou, J. Leandri, J. Auvert, and P. Rey, New Prosthetic Bladder, Trans-American Society for Artificial Internal Organs, vol. 23, pp. 271-374 (1977).
H. Melchior, P. Rathert, A. Schiffer, W. Lutzeyer, Etude fonctionnelle de l'uretere apres remplacement partiel par prothese en elastomere de silicone, Journal Urology and Nephrology (Paris), vol. 77, Suppl. 2, pp. 515-521 (1971). A copy of an English translation is attached thereto.
J. P. Bordat, Etude experimentale d'une prothese vesicale en elastomere de silicone, Journal Urology and Nephrology (Paris), vol. 82, Suppl. 2, pp. 498-505 (1976). A copy of an English translation is attached thereto.
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C. Abbou and J. Auvert, Prosthetic Bladder Replacement in Dogs, Genitourinary Reconstruction with Prosthesis, pp. 71-75 (1981).
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M. Donovan, The Testing of Biocompatibility of Alouplastic Materials in Genitourinary Track Suitable for Use as Prosthetic Materials, Thesis, University of Dublin, Trinity College, Dublin, Ireland (1984).

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