Preformed catheter assembly

Details Preformed catheter assembly Preformed catheter assembly

1986-11-04

1988-04-19

Truluck, Dalton L.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 54, A61M 2500

Patent

active

047386673

ABSTRACT:
A catheter assembly which includes a catheter having a flexible, preformed distal end and a sheath slidably mounted thereon. The sheath can be slidably moved from a first position with the sheath overlying a portion of the catheter that is not precurved to a second position with the sheath overlying the precurved distal end in order to straighten the catheter for insertion and removal from a body cavity. When the catheter assembly is introduced into a body cavity, the distal end of the catheter is removed from the sheath in order to allow it to assume its preshaped form and thereby serve to retain the catheter. The distal end of the catheter is withdrawn into the sheath in order to remove the catheter from a body cavity.

REFERENCES:
patent: 3680562 (1972-08-01), Wittes et al.
patent: 3782381 (1974-01-01), Winnie
patent: 3856009 (1974-12-01), Winnie
patent: 3860006 (1975-01-01), Patel
patent: 3920023 (1975-11-01), Dye et al.
patent: 4033331 (1977-07-01), Guss et al.
patent: 4248224 (1981-02-01), Jones
patent: 4563181 (1986-01-01), Wijayarathna et al.
patent: 4568338 (1986-02-01), Todd
patent: 4694838 (1987-09-01), Wijayarthna et al.
"A Clinical Evaluation of a Modified Foley Catheter", by Rubino & Scialabba, Journal of Obstetrics and Gynaecology, May 1, 1983, pp. 103-104.
"A New Catheter for the Female Patient", by O'Neil et al., Austalian and New Zealand Journal of Obstetrics and Gynaecology, 1982, pp. 151-152.
"Coiled Tip Catheter for Measuring Intraversical Pressure", by Morita et al., Urology, Nov., 1986, p. 501.

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