Disposable cartridge assembly for hypodermically implanting a ge

Details Disposable cartridge assembly for hypodermically implanting a ge Disposable cartridge assembly for hypodermically implanting a ge

1986-07-03

1987-08-18

Truluck, Dalton L.

Surgery

Truss

Perineal

128325, 128DIG25, 604 97, 604274, A61B 1900

Patent

active

046869620

ABSTRACT:
A non-surgical method for implanting a genitourinary prosthesis comprising an extensible, inflatable tissue expanding containment membrane to be located between the urethra and the subcutaneous corpus spongiousum of a patient to overcome urinary incontinence by means of localized, controlled tissue volume increase. A disposable cartridge assembly is also disclosed for hypodermically positioning, injecting and inflating the containment membrane and for percutaneously infusing the membrane with biocompatible fluid or suspended particulate matter. The containment membrane functions as an envelope for retaining the fluid or suspended particulate matter therewithin while simultaneously increasing localized tissue volume and advantageously preventing the migration of such fluid or particles through the patient's body. Accordingly, an increased passive occlusive pressure may be applied to the patient's urethra to return the patient to continence.

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patent: 3795246 (1974-03-01), Sturgeon
patent: 4005699 (1977-02-01), Bucalo
patent: 4019499 (1977-04-01), Fitzgerald
"Polytef (Teflon) Migration after Periurethal Injection: Tracer and X-ray Microanalysis Techniques in Experimental Study" by A. A. Malizia, Jr. et al, vol. XXX, Trans. Am. Soc. Artif. Intern. Organs, 1983, pp. 330-334.
"Migration and Granulomatous Reaction after Periurethral Injection of Polytef (Teflon)" by Anthony A. Malizia, Jr. et al, vol. 251, Journal of the A.M.A., Jun. 22/29, 1984, pp. 3277-3281.
"Periurethral Polyetrafluoroethylene Injections in Incontinent Female Subjects with Neurogenic Bladder Disease" by Robert I. Lewis et al, vol. 131, Journal of Urology, Mar. 1984, pp. 459-462.
"Periurethral Polytetrafluoroethylene Injection for Urinary Incontinence" by Victor A. Politano, vol. 127, Journal of Urology, Mar. 1982, pp. 439-442.
"Endoscopic Injections of Teflon to Treat Urinary Incontinence in Women", British Medical Journal, vol. 288, Jan. 21, 1984, p. 192.

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