Ventricular amniotic shunt and introducer system

Details Ventricular amniotic shunt and introducer system Ventricular amniotic shunt and introducer system

1984-09-24

1986-12-23

Pellegrino, Stephen C.

Surgery

Devices transferring fluids from within one area of body to...

With flow control means

604164, 604169, A61M 2700, A61M 2500

Patent

active

046310517

ABSTRACT:
Cerebrospinal fluid is drained from a ventricle of the brain of a fetus and into the amniotic cavity in an antenatal procedure that does not require a hysterotomy, such being carried out by a shunt and introducer system. The introducer portion of the system includes a plurality of components that are slidably assembled and that provide a guiding sheath through which the shunt is passed with the aid of a pushing tool and a stylet that passes through the pushing tool and into the shunt. The hydrocephalus valve within the shunt is radially offset from the longitudinal axis of the shunt in order to permit stylet passage therethrough.

REFERENCES:
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patent: 3527226 (1970-09-01), Hakim
patent: 3894541 (1975-07-01), El-Shafei
patent: 4166469 (1979-09-01), Littleford
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patent: 4382445 (1983-05-01), Sommers
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Article, "In Utero Diagnosis and Treatment of Non-Human Primate Fetal Skeletal Anomalies", Michejda and Hogden, from Journal of the American Medical Association, vol. 246, No. 10, pp. 1093-1097, Sep. 4, 1981.
Article, "Fetal Surgery: Saving the Unborn", Freiherr, from Research Resources Reporter, vol. VII, No. 2, Feb., 1983.

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