Hand-held instrument for implanting, dispensing, and inflating a

Details Hand-held instrument for implanting, dispensing, and inflating a Hand-held instrument for implanting, dispensing, and inflating a

1986-10-31

1989-02-07

Truluck, Dalton L.

Surgery

Truss

Pad

128DIG25, 604 97, A61B 1900

Patent

active

048024791

ABSTRACT:
A compact, hand-held instrument by which to permit a physician to accurately and controllably implant, dispense, and inflate an inflatable membrane at a predetermined target area within the tissues of a patient. In a preferred embodiment of the invention, the inflatable membrane is a genitourinary prosthesis, and the targeted area lies within the corpus spongiousum surrounding the urethra to enable a patient to overcome urinary incontinence by means of increasing both localized tissue volume and passive occlusive pressure upon the urethral mucosa. The instrument includes a trocar assembly having a plurality of telescoping trocar members which may be either retracted for dilating a tunnel through the urethral tissues of the patient or expanded for placing, dispensing and inflating the membrane at the end of the tunnel. The membrane is percutaneously infused with and inflated by material (e.g. biocompatible fluid) supplied from a vernier hypodermic syringe to a hollow, non-coring needle, which needle carries the membrane and communicates with the syringe.

REFERENCES:
patent: 2042900 (1936-06-01), James
patent: 2854982 (1958-10-01), Pagano
patent: 2856920 (1958-10-01), Indelicato
patent: 3795246 (1974-03-01), Sturgeon
patent: 3895636 (1975-07-01), Schmidt
patent: 3989049 (1976-11-01), Yoon
patent: 4429724 (1984-02-01), Dorros et al.
patent: 4517979 (1985-05-01), Pecenka
patent: 4557255 (1985-12-01), Goodman
patent: 4686962 (1987-08-01), Haber

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