Capture devices and related systems and methods of use
AssigneeBoston Scientific Scimed, Inc.
InventorsMajd SLEEM, John SUBASIC
Life of this patent
Estimating the term…
Abstract
Capture devices and related systems are described, including a medical device that includes a handle coupled to an end effector. The end effector may be formed from a first wire and a second wire each forming a coil. The coil of the first wire may be proximal to the coil of the second wire. The first wire and the second wire each include a shape memory material, such that the end effector includes a collapsed configuration when constrained within a sheath and an expanded configuration when unconstrained by the sheath. While in the expanded configuration, the first wire and the second wire may be movable relative to each other top provide a space, e.g., an opening, between the coil of the first wire and the coil of the second wire.
Claims20
A medical device comprising:
- a handle coupled to an end effector, the end effector formed from a first wire and a second wire each forming a coil, the coil of the first wire being proximal to the coil of the second wire;
- wherein the first wire and the second wire each comprises a shape memory material, such that the end effector includes a collapsed configuration when constrained within a sheath and an expanded configuration when unconstrained by the sheath;
- wherein the first wire and the second wire are movable relative to each other to provide an opening between the coil of the first wire and the coil of the second wire while in the expanded configuration.
A medical device comprising:
- a handle including a first actuator and a second actuator;
- an end effector formed from a first wire and a second wire each comprising a shape memory material forming a coil, the coil of the first wire being proximal to the coil of the second wire, wherein the first wire is operably coupled to the first actuator and the second wire is operably coupled to the second actuator;
- and
- a sheath coupled to the handle and defining a lumen, the end effector being slidable along the lumen;
- wherein the end effector includes a collapsed configuration when constrained within the sheath and an expanded configuration when unconstrained by the sheath;
- and
- wherein the first wire and the second wire are movable relative to each other via the first actuator and the second actuator, respectively, to provide a space between the coil of the first wire and the coil of the second wire while in the expanded configuration.
A method of treating a subject, the method comprising:
- navigating a distal end of a medical device through a urinary tract of the subject to a treatment site;
- extending an end effector of the medical device through a lumen of a sheath of the medical device to exit the lumen, thereby transitioning the end effector from a collapsed configuration to an expanded configuration, wherein the end effector includes a first wire and a second wire each comprising a shape memory material and forming a coil in the expanded configuration, wherein the coil of the first wire is proximal to the coil of the second wire;
- moving one of the first wire or the second wire away from the other of the first wire or the second wire;
- capturing a target material within a volume of the end effector via an opening between the coil of the first wire and the coil of the second wire;
- and
- moving one of the first wire or the second wire towards the other of the first wire or the second wire to close the opening.
Dependencies are inferred from the claim text.