Adjustable mri head coil apparatus and mri system

An adjustable MRI head coil apparatus and MRI system include a fixture and a plurality of plates attached to the fixture. Each of the plurality of plates includes a plurality of RF receive elements arranged in a fixed orientation. The adjustable MRI head coil apparatus and MRI system also include an actuator mechanism configured to adjust the relative position of each of the plurality of plates in order to fit a variety of different patient head sizes.

Adjustable MRI head coil apparatus and MRI system

An adjustable MRI head coil apparatus and MRI system include a fixture and a plurality of plates attached to the fixture. Each of the plurality of plates includes a plurality of RF receive elements arranged in a fixed orientation. The adjustable MRI head coil apparatus and MRI system also include an actuator mechanism configured to adjust the relative position of each of the plurality of plates in order to fit a variety of different patient head sizes.

ADJUSTABLE MRI HEAD COIL APPARATUS AND MRI SYSTEM

An adjustable MRI head coil apparatus and MRI system include a fixture and a plurality of plates attached to the fixture. Each of the plurality of plates includes a plurality of RF receive elements arranged in a fixed orientation. The adjustable MRI head coil apparatus and MRI system also include an actuator mechanism configured to adjust the relative position of each of the plurality of plates in order to fit a variety of different patient head sizes. 1. An adjustable MRI head coil apparatus comprising:a fixture;a plurality of plates, each of the plurality of plates comprising a plurality of RF receive elements arranged in a fixed orientation, wherein each of the plurality of plates is attached to the fixture; andan actuator mechanism configured to adjust the relative position of each of the plurality of plates in order to allow the plurality of plates to fit a variety of different patient head sizes.2. The adjustable MRI head coil apparatus of claim 1 , wherein the plurality of plates comprises a front plate adapted to fit on the front of a patient's head.3. The adjustable MRI head coil apparatus of claim 2 , wherein the plurality of plates comprises a left plate adapted to fit on the left side of the patient's head.4. The adjustable MRI head coil apparatus of claim 3 , wherein the plurality of plates comprises a right plate adapted to fit on the right side of the patient's head.5. The adjustable MRI head coil apparatus of claim 4 , wherein the plurality of plates comprises a back plate adapted to fit on the back of the patient's head.6. The adjustable MRI head coil apparatus of claim 5 , wherein the front plate claim 5 , the back plate claim 5 , the left plate claim 5 , and the right plate comprise complementary shapes that fit together in order to substantially surround the patient's head.7. The adjustable MRI head coil apparatus of claim 1 , further comprising an arm attached to the fixture and a base claim 1 , wherein the arm is adapted to be translated along ...

Wire guided device

The present subject matter discloses a wire guided device, including a sheath, a working assembly, and a wire guide. The working assembly includes a working portion, configured to contact an intended tissue, and a connector, connecting the working portion and the sheath. The wire guide is disposed at and connected to the working assembly. The wire guide is configured to allow a guide wire to pass through, wherein the wire guide is disposed at a predetermined distance from a distal end of the working assembly. The wire guide and the guide wire do not interfere with an operation of the working portion.

Wire guided device

The present subject matter discloses a wire guided device, including a sheath, a working assembly, and a wire guide. The working assembly includes a working portion, configured to contact an intended tissue, and a connector, connecting the working portion and the sheath. The wire guide is disposed at and connected to the working assembly. The wire guide is configured to allow a guide wire to pass through, wherein the wire guide is disposed at a predetermined distance from a distal end of the working assembly. The wire guide and the guide wire do not interfere with an operation of the working portion.

Large tissue defect recruiting device

An actuation assembly for a tissue recruiting device for recruiting tissue and closing a defect. The actuation assembly includes one or more control actuators operable to control the position and rotation of an actuation element coupled to a grasping device. The grasping device is configured to grasp tissue. The actuation assembly is operable by a user to deploy the grasping device via the actuation element to grasp tissue. The actuation assembly may independently deploy multiple grasping devices, such as on opposite sides of a defect. The actuation assembly may also deploy a closure mechanism configured to circumferentially surround the deployed grasping devices to close the defect.

Large tissue defect recruiting device

An actuation assembly for a tissue recruiting device for recruiting tissue and closing a defect. The actuation assembly includes one or more control actuators operable to control the position and rotation of an actuation element coupled to a grasping device. The grasping device is configured to grasp tissue. The actuation assembly is operable by a user to deploy the grasping device via the actuation element to grasp tissue. The actuation assembly may independently deploy multiple grasping devices, such as on opposite sides of a defect. The actuation assembly may also deploy a closure mechanism configured to circumferentially surround the deployed grasping devices to close the defect.

Wire guided device

The present subject matter discloses a wire guided device, including a sheath, a working assembly, and a wire guide. The working assembly includes a working portion, configured to contact an intended tissue, and a connector, connecting the working portion and the sheath. The wire guide is disposed at and connected to the working assembly. The wire guide is configured to allow a guide wire to pass through, wherein the wire guide is disposed at a predetermined distance from a distal end of the working assembly. The wire guide and the guide wire do not interfere with an operation of the working portion.

Wire guided device

The present subject matter discloses a wire guided device, including a sheath, a working assembly, and a wire guide. The working assembly includes a working portion, configured to contact an intended tissue, and the connector, connecting the working portion and the sheath. The wire guide is disposed at and connected to the working assembly. The wire guide is configured to allow a guide wire to pass through, wherein the wire guide is disposed at a predetermined distance from a distal end of the working assembly. The wire guide and the guide wire do not interfere with an operation of the working portion.

Wire guided device