Abstract: In one embodiment, a medical device includes a tissue anchor has a first portion and a second portion. The tissue anchor is configured to be placed within bodily tissue of a patient. The first portion of the tissue anchor includes an extension member configured to engage the bodily tissue to help retain the tissue anchor within the bodily tissue. The first portion has an inner surface and defines a cavity. The second portion of the tissue anchor has a helical ridge. The helical ridge is configured to engage the inner surface of the first portion of the tissue anchor to movably couple the second portion of the tissue anchor to the first portion of the tissue anchor.

Abstract: A stent delivery device having a locking mechanism. The device includes a handle assembly, an elongate inner member, and an elongate outer tubular member surrounding the elongate inner member. The handle assembly includes a handle attached to one of the inner member and the outer tubular member, and an actuator attached to the other of the inner member and the outer tubular member. Actuation of the actuator relative to the handle between a first position and a second position causes axial movement of the outer tubular member relative to the inner member. The locking mechanism has a locked position in which the actuator is prevented from moving from the first position to the second position and an unlocked position in which the actuator is permitted to move from the first position to the second position.

Abstract: Embodiments of the present disclosure provide a device for extracting and/or morcellating tissue or other unwanted material from within a patient's body. In one embodiment, a medical device may include an elongate member including a proximal end, a distal end, and a lumen extending therebetween. The medical device may also include an expandable member disposed at the distal end, wherein an interior of the expandable member is in fluid communication with the lumen in the elongate member, wherein the expandable member includes a plurality of conducting elements extending from and disposed circumferentially about the elongate member, wherein at least two of the plurality of conducting elements are joined together by a material extending therebetween.

Abstract: A retrieval device includes a sheath having a distal end, and a plurality of support members extending distal of the distal end, the support members each including a distal loop. The retrieval device further includes a hollow member extending distal of the distal end, and a movable member extending distally from the hollow member and slidably extending through the distal loops of the support members.

Abstract: A percutaneous nephrolithotomy (PCNL) needle may include a cannula including a shaft and a cannula hub coupled to a proximal end of the cannula shaft. A depth guide may be disposed on an outer surface of the cannula shaft. A stylet may be disposable within the cannula lumen and may include a tapered point at a distal end of the stylet and a stylet hub coupled to a proximal end of the stylet that is configured to be releasably securable to the cannula hub. An adjustable depth stop may be releasably securable to the cannula shaft at a desired position relative to the depth guide, the adjustable depth guide capable of being manipulated between an adjustment configuration in which the adjustable depth guide is moveable relative to the cannula shaft and a secured configuration in which the adjustable depth guide is secured relative to the cannula shaft.

Abstract: A medical device may include a radially expandable sheath extending between a proximal end and a distal end and defining a lumen therein. The sheath may be expandable between a first configuration and a second configuration. The medical device may further include a plurality of expansion support members positioned along the sheath. Each of the expansion support member may extend circumferentially about a longitudinal axis of the sheath.

Abstract: This disclosure concerns systems and methods for removal of material from the body of a patient, and particularly for percutaneous nephrolithotomy. Systems according to the various embodiments of the disclosure include one or more of nested first and second components, for instance a scope nested within a suction or irrigation catheter, guidewires with self-expanding distal tips, and wash-out elements to facilitate rapid removal of stones through an access sheath.

Abstract: Devices for guiding an instrument into a body of a patient, at a targeted point of entry and along an insertion path at a targeted insertion angle, are described herein, such as a guide for an access needle in a PCNL procedure for accessing the kidney to remove kidney stones, the devices comprising a base component, a guide assembly, and optionally an insertion mechanism. The base component is aligned in use with the point of entry and the guide assembly cooperates with the base component to allow for the instrument to be aligned and fixed at any circumferential angle around an axis perpendicular to the point of entry and at any vertical angle ranging from 0 to 45 degrees away from the axis in a direction toward the body. The optional mechanism allows for mechanical insertion once the instrument is aligned and fixed.

Abstract: A guidewire including an elongate inner member having a proximal portion and a distal portion, an elongate outer member disposed about the elongate inner member, wherein one of the elongate inner member and the elongate outer member is more flexible relative to the other of the elongate inner member or the elongate outer member, and the elongate inner member is movable relative to the elongate outer member.

Abstract: An apparatus may include a handle having a first portion and a second portion. The second portion may extend at an angle from the first portion. The handle may also include a passage configured to receive a medical device therethrough and defined by the first portion. Further, the handle may include an actuator operably coupled to the first portion. The apparatus may also include an endoscopic insertion device coupled to and extending distally of the first portion of the handle. Further, manipulation of the actuator may be configured to deflect a distal portion of the insertion device.

Abstract: The present disclosure is directed to a medical device. The medical device may include a tube having a distal end, a proximal end, at least one side port located at the distal end, and a distal end face, a lumen in communication with the at least one side port and fluidly connecting the proximal end of the tube with the at least one side port, and a working channel extending from the proximal end to the distal end face of the tube.

Abstract: The present disclosure is directed to a medical device. Systems and methods are provided for removing particles, stone fragments and/or stone dust from a patient. The medical device described herein may work by positioning within the kidney, a catheter to flush stone dust. The catheter may include a dual lumen tube which provides fluid through one lumen to irrigate a target area and provides suction through a second lumen to carry out the irrigation fluid along with stone dust. This stone dust may be the result of a previously performed stone dusting. The irrigation fluid may be introduced with a pulsed flow. The pulsed flow irrigation may facilitate the removal of small stone fragments. The suction may be applied by a vacuum at to evacuate the target area at a flow rate balanced with the flow rate of the introduction of the irrigation fluid.

Abstract: A method of using a suction device to remove an object from a subject's body includes extending a suction device into the body through a lumen of a medical device and expanding the suction head from a contracted configuration to an expanded configuration within the body. The suction head may be provided at a distal end of an elongate conduit. The method may also include applying suction to move the object into the expanded suction head, and removing the suction device with the object from the body.

Abstract: A marking device may include a body. The body may be configured to transition between a closed configuration and an open configuration. The body may further include two arms. A distal end of each arm may be coupled to a distal end of the body. The marking device may further include a suture coupled to the body. Application of a force on a proximal end of each arm may be configured to cause the body to transition between the closed configuration and the open configuration.

Abstract: A stent delivery device having a locking mechanism. The device includes a handle assembly, an elongate inner member, and an elongate outer tubular member surrounding the elongate inner member. The handle assembly includes a handle attached to one of the inner member and the outer tubular member, and an actuator attached to the other of the inner member and the outer tubular member. Actuation of the actuator relative to the handle between a first position and a second position causes axial movement of the outer tubular member relative to the inner member. The locking mechanism has a locked position in which the actuator is prevented from moving from the first position to the second position and an unlocked position in which the actuator is permitted to move from the first position to the second position.

Abstract: A method for treating BPH may include marking a target tissue portion of a prostate of a patient with a contrasting agent. The method may further include emitting energy from an energy emitting device toward the target tissue portion. Further, the method may include enucleating the target tissue portion.

Abstract: Embodiments of the present disclosure include medical devices, and related methods of use, and manufacture thereof. A medical device is disclosed having an inner member and an outer member. The inner member may have a sharp edge, and the outer member may have a window configured to receive tissue. The medical device may include a plurality of suction passageways, the plurality of suction passageways may extend through at least one or both the inner member and the outer member and may be located adjacent the window. In addition, the inner member may be configured to move relative to the outer member.

Abstract: A retrieval device includes a sheath having a distal end, and a plurality of support members extending distal of the distal end, the support members each including a distal loop. The retrieval device further includes a hollow member extending distal of the distal end, and a movable member extending distally from the hollow member and slidably extending through the distal loops of the support members.

Abstract: A medical device is disclosed which may include an elongate luminal element configured for insertion into a natural body lumen. An elongate working member may positioned within the elongate luminal element. The elongate luminal element may include at least a first lumen which may extend along a longitudinal axis of the multi-lumen element. The working member may include an auger portion on a distal end thereof which may be configured to pierce tissue. In addition, the auger portion may be rotatable about the longitudinal axis.

Abstract: A medical device may include an elongate member including a proximal end, a distal end, and a lumen extending therebetween, wherein a distal end of the lumen includes a wall disposed substantially perpendicular to a longitudinal axis of the elongate sheath, wherein the wall includes at least one opening therethrough. The medical device may also include an actuation assembly operably coupled to the proximal end, an actuating member coupled to a portion of the actuation assembly and extending into the lumen of the elongate member, and at least one loop having a first portion coupled to a distal end of the actuating member and a second portion extending through the at least one opening.