Catheter

Details Catheter Catheter

1976-01-26

1978-08-15

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128DIG16, 128348, A61M 500, A61M 2500

Patent

active

041065069

ABSTRACT:
A combined needle and catheter of the type in which the needle is used to lead the end of the catheter thereon into a body cavity and, after insertion, is withdrawn through the catheter with most of the catheter remaining in the body, where the catheter has a strengthening die wiper, a retention bead, a radio-opaque material imbedded therein, and/or a flexible reinforcing member imbedded therein with its pointed end downward and located within the orifice of a die wiper. Thereafter, a measured quantity of a viscous plastic material or fluid plastisol is applied to the die wiper on the side thereof opposite the pointed end of the needle and the assembly of needle, die wiper and plastisol is then inverted so that the die wiper falls by gravity and wipes a coating of fluid plastisol along the shank of the needle. When the die wiper has completed its traverse of the needle shank, the assembly is heated to solidify the fluid plastisol on the needle and thereby form a removable flexible catheter on the needle.

REFERENCES:
patent: 1274081 (1918-07-01), Riethmueller
patent: 2531667 (1950-11-01), Brent
patent: 3094122 (1963-06-01), Gauthier et al.
patent: 3204634 (1965-09-01), Koehn
patent: 3219036 (1965-11-01), Stafford
patent: 3618613 (1971-11-01), Schulte
patent: 3811440 (1974-05-01), Moorehead et al.
Gaertner - Surg, Gyne, Obstet., vol. 119, No. 3, Sep. 1964, pp. 599-600.

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