Ventricular access device and method
First Claim
1. A ventricular access device for establishing and allowing egress of blood from a heart ventricle comprising:
- (a) an introducer comprising an elongated rod,(b) a grommet comprising a conduit and an extension extending outwardly from said conduit;
wherein said grommet is sized and shaped to be mounted on said introducer;
wherein said introducer is adapted to introduce said grommet, when mounted on said introducer, into said ventricle and to cause said grommet conduit to penetrate the myocardium of said ventricle in an inside to outside manner such that a portion of said grommet conduit is external to said ventricle;
wherein said grommet conduit is adapted to provide an outlet for the flow of blood from said ventricle; and
wherein said extension is adapted to provide contact against the inner wall of said myocardium to retain said grommet in said myocardium notwithstanding the outward flow of blood from said ventricle.
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Accused Products
Abstract
A ventricular access device and method. In accordance with the method a grommet is introduced into a ventricle and the grommet conduit is caused to penetrate the ventricle'"'"'s myocardium in an inside to outside manner. The portion of the grommet conduit external to the ventricle is connected to a primary external conduit. The inventive device is a grommet in the form of a conduit and an extension (e.g. flange) extending outwardly from the conduit. The grommet conduit provides an outlet for the egress of blood from the ventricle. The extension provides contact against the inner wall of the ventricle to hold the grommet in place notwithstanding the outward flow of blood from the ventricle.
161 Citations
17 Claims
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1. A ventricular access device for establishing and allowing egress of blood from a heart ventricle comprising:
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(a) an introducer comprising an elongated rod, (b) a grommet comprising a conduit and an extension extending outwardly from said conduit;
wherein said grommet is sized and shaped to be mounted on said introducer;wherein said introducer is adapted to introduce said grommet, when mounted on said introducer, into said ventricle and to cause said grommet conduit to penetrate the myocardium of said ventricle in an inside to outside manner such that a portion of said grommet conduit is external to said ventricle;
wherein said grommet conduit is adapted to provide an outlet for the flow of blood from said ventricle; and
wherein said extension is adapted to provide contact against the inner wall of said myocardium to retain said grommet in said myocardium notwithstanding the outward flow of blood from said ventricle. - View Dependent Claims (2, 3, 4, 5)
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6. A surgical method for establishing an outlet for the flow of blood from a heart ventricle comprising:
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(a) introducing a grommet into said ventricle;
wherein said grommet comprises a conduit,(b) causing said grommet conduit to penetrate through the myocardium of said ventricle in an inside to outside manner such that a portion of said grommet conduit is external to said ventricle, and (c) connecting said grommet conduit to a primary external conduit which is external to said ventricle; wherein said grommet conduit is and remains positioned in said myocardium to provide an outlet through which blood from said ventricle can flow outwardly to said primary external conduit. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification