Abstract: The present disclosure relates generally to devices, systems, and methods for extracting ureteral stent from a patient. Some embodiments are particularly directed to an extraction tool capable of extending into a urethra and retrieving a stent without scope visualization, assistance from a medical professional, and/or prescription medication (e.g., for pain). The extraction tool may be a single-use tool having an end effector configured to capture a proximal portion of a stent. In several embodiments, the extraction tool be utilized in conjunction with a stent assembly having a band coupled to a proximal retention member of the stent.

Abstract: A medical device may include an introducer sheath, having a distal and a proximal end and a lumen extending from the distal end to the proximal end. The introducer sheath may also include a tab formed at the distal end and extending distal to the lumen, and a frangible portion extending between the distal end and the proximal end.

Abstract: Systems and methods for treating a patient may include accessing an anatomical structure with a single use visualization device, using the imaging capabilities of the single use visualization device within the anatomical structure, and in some cases, advancing the single use visualization device beyond the anatomical structure to and toward another anatomical structure within the patient. Disposable elements may be used with or added to the single use visualization device to accomplish tasks normally performed with reusable devices.

Abstract: A ureteroscope system includes a handle; an elongated shaft extends from the handle to a distal end and includes a working channel which is opened at the distal end; an external member extends from a proximal end to a distal end and is coupled to the shaft, the member includes a hub and a tube defining a first external channel; and a coupling mechanism defines first and second tubes and is coupled the distal end of the member to the distal end of the shaft. The first tube defines a first lumen and the second tube defines a second lumen which is sized and shaped to receive a distal end of the member. A proximal portion of the first tube is sized and shaped to be inserted into a distal portion of the shaft such that the first lumen is opened to the working channel.

Abstract: A medical device configured to be actuated using a first hand may include a handle comprising a proximal handle portion and a distal handle portion, an elongate shaft extending distally from the distal handle portion, wherein the elongate shaft includes a distal tip that is deflectable using a first actuation mechanism secured to the proximal handle portion, wherein the handle includes a port in communication with the elongate shaft, and an actuatable medical instrument configured to be slidably disposed within the elongate shaft and the port. A proximal end of the actuatable medical instrument may be operably connected to a second actuation mechanism secured to the proximal handle portion. The first actuation mechanism may be configured to be actuated by a thumb of the first hand. The second actuation mechanism may be configured to be actuated by the thumb of the first hand.

Abstract: A system for modularly assembling a scope device includes an optical module which has an optical housing and a longitudinal member extending distally therefrom. A distal end of the member includes a camera for visualizing a target area, electric wires and a light source extending from the camera to the optical housing. The system also includes a deflector module coupleable with the optical module. The deflector module includes a deflector housing and a deflector shaft extending distally therefrom. The shaft includes a first channel sized, shaped and configured to receive the member therein and a deflectable portion extending along a distal portion of the shaft. The deflector housing includes an actuator for deflecting the deflectable portion, the optical and deflector housings including corresponding connecting elements to engage one another when the member is inserted through the first channel and the deflector and optical housings are coupled.

Abstract: A medical system includes an insertion device and an insertion device handle. The insertion device handle has a proximal portion and a distal portion, with a delivery shaft extending from the distal portion. The medical system also includes a medical device, including a spool and a medical device handle. The medical device handle has a central opening, and the spool and the medical device handle are rotatably movable to one another and form a channel. The medical system includes an adapter couplable to a portion of the insertion device handle, and the adaptor includes a post element to be received within the central opening of the medical device handle.

Abstract: The present disclosure is directed to a medical device. Systems and methods are provided for utilizing a laser to break a kidney stones into smaller fragments and/or dust, and removing particles, stone fragments and/or stone dust from a patient. The medical device may include a tube having a distal end and a proximal end, a first lumen extending from the proximal end to the distal end of the tube and in fluid communication with the distal end and a plurality of side ports located at a distal portion of the tube, and a second lumen extending from the proximal end to the distal end of the tube.

Abstract: An actuation mechanism for an endoscope is disclosed. The actuation mechanism includes a housing configured to be attached to a handle of the endoscope and a thumbwheel coupled to the housing. Rotation of the thumbwheel causes longitudinal translation of an elongated medical device through a working channel of the endoscope. In some instances, the actuation mechanism includes a drive wheel and/or a roller wheel, wherein the elongate medical device is compressively positioned between the roller wheel and/or the drive wheel. Rotation of the thumbwheel may cause the drive wheel and/or the roller wheel to rotation in opposite rotational directions.

Abstract: Devices and methods for trimming a stent to a desired length with an outer tube and an inner tube having a distal end and a diameter configured to receive a portion of the stent in excess of the desired length. The inner tube may move within the outer tube and the distal end may include an end effector configured to trim the portion from the stent while the device and stent are within a patient.

Abstract: The present disclosure is directed to a medical device. Systems and methods are provided for utilizing a laser to break a kidney stones into smaller fragments and/or dust, and removing particles, stone fragments and/or stone dust from a patient. The medical device may include a tube having a distal end and a proximal end, a first lumen extending from the proximal end to the distal end of the tube and in fluid communication with the distal end and a plurality of side ports located at a distal portion of the tube, and a second lumen extending from the proximal end to the distal end of the tube.

Abstract: An insertion device includes an elongate member and a stylet. The elongate member has a proximal end portion, a distal end portion, and defines a lumen therethrough. The stylet has a proximal end portion, a distal end portion, and is slidably coupled to the elongate member. The stylet is configured to move from a first position to a second position with respect to the elongate member. The proximal end portion of the stylet is configured to removably couple a mesh carrier thereto. A portion of the proximal end portion of the stylet is disposed outside of the lumen of the elongate member when the stylet is in its first position and is disposed within the lumen when the stylet is in its second position.

Abstract: In one example, a medical device may be adapted for use with a delivery device, and the medical device may include a handle including at least one actuator; a body adapted to releasably mount to a distal portion of the delivery device, the body supporting a pair of jaws rotatably coupled to the body; and a control wire coupled to the pair of jaws and the actuator. The actuator may be configured to open and close the pair of jaws.

Abstract: Aspects of stone identification methods and systems are described. According to one aspect, an exemplary method comprises: transmitting to a processing unit, with an imaging element mounted on a distal end of a scope, image data about a stone object inside a body cavity; generating from the image data, with the processing unit, a visual representation of the stone object and the body cavity; establishing from a user input, with the processing unit, a scale for the visual representation; determining from the visual representation, with the processing unit, a size of the stone object on the scale; comparing, with the processing unit, the size of the stone object with a predetermined maximum size to determine a removal status; and augmenting, with the processing unit, the visual representation to include an indicator responsive to the removal status. Associated systems are also described.

Abstract: A medical device, comprising a fastening assembly, wherein the fastening assembly includes an adapter defining an opening therethrough, a fastener releasably coupled to the adapter, wherein the fastener includes at least two jaws pivotable relative to one another, the fastener having a first configuration wherein the jaws are open and a second configuration wherein the jaws are closed, and at least one cable coupled to the fastener and the adapter, the at least one cable being configured to apply tension to the fastener to transition between the first configuration and the second configuration while the fastener is coupled to the adapter, and to control release of the fastener from the adapter.

Abstract: A biopsy device adapted for use with an endoscope includes an adaptor that is adapted to be secured relative to an endoscope. The biopsy device includes a pair of jaws that are pivotably disposed relative to the adaptor. An actuator is operably coupled with the first jaw and the second jaw and extends proximally therefrom. The actuator is adapted to move the first jaw and the second jaw relative to the biopsy device housing.

Abstract: Aspects of stone identification methods and systems are described. According to one aspect, an exemplary method comprises: transmitting to a processing unit, with an imaging element mounted on a distal end of a scope, image data about a stone object inside a body cavity; generating from the image data, with the processing unit, a visual representation of the stone object and the body cavity; establishing from a user input, with the processing unit, a scale for the visual representation; determining from the visual representation, with the processing unit, a size of the stone object on the scale; comparing, with the processing unit, the size of the stone object with a predetermined maximum size to determine a removal status; and augmenting, with the processing unit, the visual representation to include an indicator responsive to the removal status. Associated systems are also described.

Abstract: A handle assembly includes a drive wire coupled to an expandable end effector, the wire having a diameter of no more than 3 French and a handle cannula receiving the wire therethrough, rotation of the handle cannula transferring torque to rotate the wire. The assembly also includes a shaft receiving the handle cannula, rotation of the shaft transferring torque to rotate the handle cannula. The assembly further includes an actuation assembly receiving the shaft, the actuation assembly coupled to a sheath sized to receive the wire and end effector therethrough, the actuation assembly moveable between a proximal configuration in which the sheath is moved proximally to expand the end effector and a distal configuration in which the sheath is moved distally to retract the end effector, the actuation assembly including a rotation mechanism transferring torque to the shaft to rotate the shaft.

Abstract: In one embodiment, a medical device includes a delivery tool having a carrier member, and a cartridge. The cartridge is coupled to the delivery tool. The cartridge defines an opening. The cartridge is configured to retain an anchor defining a lumen. The carrier member has a retracted configuration and an extended configuration. The carrier member is configured to extend through the lumen defined by the anchor and through the opening defined by the cartridge when the cartridge is coupled to the delivery tool and the carrier member is in its extended configuration.

Abstract: An adaptor may include a shell and a plunger positioned at a first end of the shell and moveable between an undepressed state and a depressed state. The adaptor may further include a ramp extending from a second end of the shell and a carrier coupled to the ramp. In the undepressed state, the carrier may be located at a first position along the ramp, and wherein, in the depressed state, the carrier may be located at a second position along the ramp, wherein the second position may be closer to the second end of the shell than the first position.