Endovascular cerebrospinal fluid shunt
First Claim
Patent Images
1. A method for draining cerebrospinal fluid from a patient'"'"'s subarachnoid space, the method comprising the steps of:
- providing an implantable shunt having opposed first and second ends, a one-way valve located at the first end of the shunt, and a tip disposed at the second end, said tip being constructed to penetrate a sinus wall of the patient, wherein the first and second ends are in fluid communication to enable the cerebrospinal fluid (CSF) to be drained through the tip and out through the valve;
endovascularly delivering the shunt to the sinus wall;
penetrating the sinus wall and implanting the second end of the shunt in a CSF space of the patient; and
draining cerebrospinal fluid from the patient.
1 Assignment
0 Petitions
Accused Products
Abstract
An endovascular implantable shunt device for draining cerebrospinal fluid from a patient'"'"'s subarachnoid space includes a shunt having opposed first and second ends, a one-way valve located at the first end of the shunt, a helical tip disposed at the second end, and a hollow passageway extending between the helical tip and one-way valve. The helical tip is constructed to penetrate a patient'"'"'s sinus wall. Cerebrospinal fluid drains through the helical tip and out through the valve.
215 Citations
16 Claims
-
1. A method for draining cerebrospinal fluid from a patient'"'"'s subarachnoid space, the method comprising the steps of:
-
providing an implantable shunt having opposed first and second ends, a one-way valve located at the first end of the shunt, and a tip disposed at the second end, said tip being constructed to penetrate a sinus wall of the patient, wherein the first and second ends are in fluid communication to enable the cerebrospinal fluid (CSF) to be drained through the tip and out through the valve; endovascularly delivering the shunt to the sinus wall; penetrating the sinus wall and implanting the second end of the shunt in a CSF space of the patient; and draining cerebrospinal fluid from the patient. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
Specification