Abstract: A medical system includes a first medical device and a second medical device. The first medical device includes a handle and a shaft. The shaft includes a lumen. A distal portion of the shaft includes an articulation joint, and the lumen extends through at least a portion of the articulation joint. The second medical includes a control device and a rod. The rod is configured to be positioned within at least a portion of the lumen of the shaft within the articulation joint. The control device is configured to control a position of the rod within the shaft. The position of the rod within the shaft controls an articulation angle of the articulation joint.

Abstract: A medical device comprising, a handle body, a flexible shaft coupled to a distal end of the handle body, a distal tip coupled to a distal end of the shaft and including a movable element, and an actuator coupled to the handle body and configured, upon actuation, to move the movable element, wherein the actuator includes a first contact element having outer contact surfaces each configured for contact by a finger of a user, each of the outer contact surfaces being at least one of angled and recessed relative to the other outer contact surfaces to provide a plurality of positions of contact between the finger and the actuator.

Abstract: A steerable medical device includes a handle and an elongate shaft extending distally from the handle to a distal tip. A motor control assembly including a motor control housing is configured to detachably interface with the handle. The motor control assembly includes a first drive assembly and a second drive assembly disposed within the motor control housing. The motor control assembly includes an input device and a controller that is operably coupled with the first drive assembly, the second drive assembly and the input device. The controller is configured to control operation of the first drive assembly and/or the second drive assembly in order to move the distal tip, receive one or more user inputs from a user via the input device, and to modify operation of the first drive assembly and/or the second drive assembly in accordance with the received one or more inputs.

Abstract: According to one aspect, a handle assembly for a medical device may comprise a handle body; and an actuator for controlling a supply of air and a supply of liquid to the medical device. The actuator may comprise a button including a hole extending through a top surface of the button, and the hole may be offset from a center of the top surface of the button. The actuator may be configured to: supply air to the medical device when a user covers the hole; and/or supply liquid to the medical device when a user presses the button.

Abstract: Systems and methods for generating navigational guidance for a medical device within a body are disclosed. One computer-implemented method may include: receiving, at a computer server, image data associated with at least one anatomical object; determining, using a processor associated with the computer server and via application of a trained predictive navigational guidance model to the image data, navigational guidance for the medical device in relation to the at least one anatomical object; generating, based on the determining, at least one visual representation associated with the navigational guidance; and transmitting, to a user device in network communication with the computer server, instructions to display the at least one visual representation associated with the navigational guidance overtop of the image data on a display screen of the user device.

Abstract: A medical device comprising, a handle body, a flexible shaft coupled to a distal end of the handle body, a distal tip coupled to a distal end of the shaft and including a movable element, and an actuator coupled to the handle body and configured, upon actuation, to move the movable element, wherein the actuator includes a first contact element having outer contact surfaces each configured for contact by a finger of a user, each of the outer contact surfaces being at least one of angled and recessed relative to the other outer contact surfaces to provide a plurality of positions of contact between the finger and the actuator.

Abstract: A handle of a medical device may comprise an actuator; a lock movable relative to the actuator and having a feature movable relative to the actuator; and a rack having plurality of teeth separated from one another by a plurality of gaps. The lock may be configured to move the feature from (a) a first configuration, in which the feature is disposed in the gap, between two of the plurality of teeth, such that the two teeth inhibit the actuator from rotating; to (b) a second configuration, in which the feature is disposed outside of the gap, such that the actuator is rotatable. In the second configuration, the teeth may be disposed between the feature and the actuator.

Abstract: Systems and methods for generating navigational guidance for a medical device within a body are disclosed. One computer-implemented method may include: receiving, at a computer server, image data associated with at least one anatomical object; determining, using a processor associated with the computer server and via application of a trained predictive navigational guidance model to the image data, navigational guidance for the medical device in relation to the at least one anatomical object; generating, based on the determining, at least one visual representation associated with the navigational guidance; and transmitting, to a user device in network communication with the computer server, instructions to display the at least one visual representation associated with the navigational guidance overtop of the image data on a display screen of the user device.

Abstract: A medical device that includes a clamp having a body defining a channel and a fixation member that is configured to move relative to the body from an unlocked position to a locked position. The medical device includes an actuator coupled to the fixation member and configured to move the fixation member from the unlocked position to the locked position. The fixation member extends at least partially into or radially outward from the channel in response to moving from the unlocked position to the locked position.

Abstract: According to one aspect, a medical device may be configured for use with an endoscope and may include a tool. The tool may include an actuator, at least one extension at a distal portion of the actuator, and a distal end. The at least one extension may extend radially outward from the actuator and may have an edge configured to fragment debris within a body. The medical device may also include a cap configured for coupling to a distal end of the endoscope, and the cap may include a body defining an opening and a cavity. The opening may be configured to align with optics of the endoscope, and the at least one extension may be positioned within the cavity of the body.

Abstract: A handle of a medical device may comprise an actuator; a lock movable relative to the actuator and having a feature movable relative to the actuator; and a rack having plurality of teeth separated from one another by a plurality of gaps. The lock may be configured to move the feature from (a) a first configuration, in which the feature is disposed in the gap, between two of the plurality of teeth, such that the two teeth inhibit the actuator from rotating; to (b) a second configuration, in which the feature is disposed outside of the gap, such that the actuator is rotatable. In the second configuration, the teeth may be disposed between the feature and the actuator.

Abstract: A medical device that includes a clamp having a body defining a channel and a fixation member that is configured to move relative to the body from an unlocked position to a locked position. The medical device includes an actuator coupled to the fixation member and configured to move the fixation member from the unlocked position to the locked position. The fixation member extends at least partially into or radially outward from the channel in response to moving from the unlocked position to the locked position.

Abstract: Distal tips and elevators for medical devices, and related methods are described. A medical device may include a shaft having a working channel and a distal tip coupled to the shaft. The distal tip may include a housing having a slot in communication with the working channel. The slot may include a bottom opening formed in a bottom wall of the housing. The medical device may further include an elevator positioned within the slot. In a fully lowered configuration of the elevator, at least a portion of the elevator may extend through the bottom opening.

Abstract: Elevators for medical devices and related methods are described, including an elevator having a first side wall, a second side wall, and a guide surface for contacting an accessory device. The guide surface may extend between the first side wall and the second side wall. A distal portion of the second side wall may extend further upward in a direction perpendicular to a longitudinal axis of the elevator than a distal portion of the first side wall.

Abstract: An elongated tissue traction device adhered to target tissue and configured to lift the target tissue away from surrounding tissue. The tissue traction device may lift the target tissue as a surgical procedure is performed, such as resecting or cutting of the target tissue. The tissue traction device may be a bistable spring. The tissue traction device is in a first stable configuration when initially adhered to the target tissue. The tissue traction device may be shifted (e.g., actuated) into the second configuration, such as when the tissue is resected or cut around the target tissue to which the tissue traction device is adhered. In the second stable configuration, the tissue traction device curls and lifts the target tissue from the surrounding tissue.

Abstract: A medical device may include: a shaft configured to be inserted into a body lumen of a subject; a handle at a proximal end of the shaft, the handle including an adjustment mechanism configured to be transitioned from a first configuration, in which the shaft has a first stiffness, to a second configuration, in which the shaft has a second stiffness. The first stiffness may be different from the second stiffness.

Abstract: An actuation assembly for a medical device may include a first gear including: a first gear toothed region; and a first gear untoothed region; and a second gear including: a second gear toothed region; a second gear untoothed region; and an articulation wire coupled to the second gear. In a first portion of a rotational range of the first gear, the first gear toothed region may interact with the second gear toothed region, such that the second gear toothed region rotates upon rotation of the first gear. In a second portion of the rotational range, the first gear untoothed region may interact with the second gear untoothed region, such that the second gear remains stationary upon rotation of the first gear.

Abstract: A system may include an expandable member, and a plurality of sensors disposed on an outer surface of the expandable member and circumferentially spaced apart from one another, wherein each of the plurality of sensors includes a first emitter configured to emit light of a first wavelength, and a detector configured to detect light, and a controller coupled to the plurality of sensors.

Abstract: A medical device includes a shaft, a printed circuit board positioned around an outer surface of the shaft, and an end cap. The printed circuit board includes a plurality of electrical connections at a proximal end of the printed circuit board and another plurality of electrical connections at a distal end of the printed circuit board. The printed circuit board includes a plurality of communication conduits connecting electrical connections at the proximal end of the printed circuit board with respective electrical connections at the distal end of the printed circuit board. When the end cap is coupled to the shaft, (1) one or more cap lumens are in communication with one or more lumens in the shaft, and (2) the plurality of end cap electrical connections are electrically connected to the electrical connections at the distal end of the printed circuit board.

Abstract: A medical device may include: a shaft configured to be inserted into a body lumen of a subject; a handle at a proximal end of the shaft, the handle including an adjustment mechanism configured to be transitioned from a first configuration, in which the shaft has a first stiffness, to a second configuration, in which the shaft has a second stiffness. The first stiffness may be different from the second stiffness.