Patent application number | Description | Published |
20130165959 | ADJUSTABLE RESECTION DEVICE AND RELATED METHODS OF USE - A medical device and related method of use for resecting a tissue. The medical device may include an elongate member having a proximal end, a distal end, and a lumen extending therebetween. The elongate member may include a distal portion defining a cavity having an opening. In addition, a mechanism may be configured to adjust a volume of the cavity by altering a depth of the cavity. | 06-27-2013 |
20130190562 | ENDOSCOPIC INSTRUMENT HAVING MOVABLE DISTAL TOOL - Embodiments of the disclosure may include a medical device comprising a flexible elongate member including a longitudinal axis and a tool connected to the elongate member near a pivot, wherein the tool may be configured for at least one of suction and infusion, and wherein the tool may be configured to pivot towards both sides of the longitudinal axis relative to the elongate member at the pivot. | 07-25-2013 |
20130190758 | MEDICAL DEVICES WITH MULTIPLE DEGREES OF FREEDOM AND RELATED METHODS OF USE - Embodiments of the disclosure are directed to a medical device. The medical device may include a shaft having a proximal end and a distal end. A positioning mechanism may be disposed adjacent the distal end of the shaft. The positioning mechanism may include an outer member and an inner member coupled to an end-effector. The outer member may be pivotably attached to the distal end of the shaft and the inner member may be pivotably attached to the outer member. | 07-25-2013 |
20130197515 | ENDOSCOPIC INSTRUMENT HAVING A CUTTING TOOL - An embodiment of the invention is directed to a medical instrument that includes a flexible elongate member and a distal assembly. The distal assembly is coupled to a distal end of the elongate member. The distal assembly includes a blunt member and a cutting tool pivotably attached to the blunt member. The blunt member is configured for insertion into a tissue layer. The cutting tool is arranged relative to the blunt member so that the cutting tool does not cut tissue as the blunt member is inserted into the tissue layer. | 08-01-2013 |
20130211403 | CUTTING TOOL WITH CIRCULATING WIRE - A medical device and related method of use for cutting tissue is described. The device includes an elongate tubular member having a proximal end, a distal end, and first and second lumens extending between the proximal and distal ends. The device further includes a first elongate arm having a third lumen extending distally from the first lumen and a second elongate arm having a fourth lumen extending distally from the second lumen. A cutting element extends from the third lumen of the first arm to the fourth lumen of the second arm, such that the cutting element is slidably disposed in at least one of the third and fourth lumens. | 08-15-2013 |
20130225934 | EXPANDABLE ENDOSCOPIC HOODS AND RELATED METHODS OF USE - A medical device for tissue resection and related methods of use are disclosed. The device may include an elongate member having a proximal end and a distal end. The distal end of the elongate member may include a distal portion defining an end face and a cavity extending distally therefrom. The distal portion may further include multiple sections configured to transition between a first position and a second position different from the first position. The medical device may further include a mechanism configured to adjust a volume of the cavity by moving at least one of the multiple sections from the first position to the second position. | 08-29-2013 |
20130261641 | INSERTS FOR DIVIDING A MEDICAL DEVICE LUMEN - An insert or elongate member divides the lumen of an elongated medical device, such as the working channel of an endoscope, into two or more secondary lumens. The insert or elongate member thereby improves the ability of the lumen of the elongated medical device to accommodate multiple items or uses. The insert or elongate member is capable of securing one item, such as a pull line, such that it does not interfere with another item positioned in the lumen of the elongated medical device or with another use of the lumen of the elongated medical device. In accordance with some embodiments, a ligating instrument comprises a ligating band dispenser, a pull line, and an elongate member having a dividing wall structure or a plurality of lumens, wherein the elongate member divides a working channel of an endoscope into a plurality of secondary lumens. | 10-03-2013 |
20130331855 | TISSUE RESECTION DEVICE AND RELATED METHODS OF USE - Embodiments of the present disclosure include a medical device including, among other things, an elongated member having a proximal end, a distal end, and at least one channel. A distal portion of the at least one channel may be displaced relative to a longitudinal axis of the elongated. | 12-12-2013 |
20140012255 | TISSUE RESECTION DEVICE AND RELATED METHODS OF USE - A device configured to facilitate resection of tissue. The device may include a proximal end configured to be secured to a distal portion of an introduction sheath and a distal end defining an opening that may communicate with a channel extending between the proximal and distal ends. The opening may be defined by at least one straight edge. | 01-09-2014 |
20140214027 | COUPLING MECHANISM FOR A MEDICAL DEVICE - Embodiments of the present disclosure include a medical device. The medical device may include a proximal handle, a distal tool, an elongate member connecting the distal tool to the proximal handle and including a first portion and a second portion, wherein the elongate member may be configured to deliver electrical energy to the distal tool, and a coupling mechanism configured to connect and disconnect the first and second portions of the elongate member. | 07-31-2014 |
20140243594 | MEDICAL DEVICE ACTUATION SYSTEMS AND RELATED METHODS OF USE - A medical system including an endoscope having a proximal end, a distal end, and a lumen extending therebetween is disclosed. The endoscope includes a port configured to provide access to the lumen. In addition, the system may include an actuation member slidably disposed through the lumen such that a proximal end of the actuation member extends through the port, and a distal end of the actuation member is operably coupled to an end-effector. The system may further include an actuation handle removably secured to the actuation member. In one embodiment, a portion of the end-effector has dimensions larger than a maximum dimension of the lumen. | 08-28-2014 |
20140257321 | RESECTION DEVICE AND RELATED METHODS OF USE - A tissue resection hood and related method of use for resecting the tissue are described. The tissue resection hood may include a distal end portion having an opening, a proximal end portion, and a cavity defined between the proximal and distal end portions, wherein the proximal end portion defines an opening configured to couple to an end of a sheath. The tissue resection hood may further include a cutting member configured to traverse the opening in the distal end portion and a mechanism configured to control a dimension of the cavity. | 09-11-2014 |
20140275769 | APPARATUS FOR TISSUE DISSECTION WITH SUCTION RING - A medical device may include a housing. The housing may include an outer wall, an inner wall spaced from the outer wall, and a cavity defined by the outer wall and the inner wall. The distal end of the outer wall may be disposed proximally from the distal end of the inner wall. The housing may further define a passageway therethrough. The cavity may be in fluid communication with a port configured to adjust pressure within the cavity. | 09-18-2014 |
20140276407 | Medical Devices Having Micropatterns - Medical devices having one or more micropatterned surfaces (e.g., micropatterned coatings). | 09-18-2014 |
20140276774 | TISSUE DISSECTION DEVICE AND RELATED METHODS OF USE - Embodiments of the present disclosure include a method for treating tissue. The method may include delivering a medical device through a channel of an endoscopic device, wherein the medical device may include an elongate member, a cap coupled to a distal end of the elongate member and having a cavity, and an electrically-conductive tool extending into the cavity of the cap. The method may also include extending a portion of the medical device out of the channel of the endoscopic device and to the tissue, drawing a portion of the tissue into the cavity of the cap, electrically activating the tool to pierce the portion of the tissue, and cutting the tissue by moving the medical device along a plane of the tissue. | 09-18-2014 |
20140276790 | DEVICES FOR TISSUE SEPARATION AND RELATED METHODS OF USE - The present disclosure is directed to a medical instrument. The medical instrument may include a shaft having a distal end configured to cauterize tissue. An expandable member may be positioned adjacent the distal end of the shaft. The expandable member may be configured for deployment between a collapsed configuration and an expanded configuration. | 09-18-2014 |
20140276809 | RESECTION DEVICE WITH SUPPORT MECHANISM AND RELATED METHODS OF USE - A medical device for resecting tissue. The medical device is slidably disposed within a working channel of an elongate introduction sheath. The medical device includes an elongate shaft having a proximal end, a distal end, and a lumen extending therebetween. The distal end of the elongate shaft may include an opening in communication with the lumen. In addition, the medical device includes a support structure having a slot extending along an inner surface of the support structure in communication with the lumen of the elongate shaft. The medical device further includes a snare loop having a first position disposed within the slot of the support structure, and a second position disposed within the lumen of the elongate shaft. An actuation member is slidably disposed within the lumen of the elongate shaft and is connected to the snare loop. | 09-18-2014 |
20140276810 | DEVICES FOR TISSUE RESECTION - A device for tissue resection and methods of using the same is disclosed, including a snare loop and a tubular handle. The snare loop has both conductive and insulated portions such that the snare loop can be used to cut tissue selectively to make perimeter cuts on the tissue to be resected. The snare loop may be placed and tightened on a target tissue and may be activated for cutting the tissue to be resected by passing an electrical current through the snare loop. Some embodiments of the device include a hood and cutting wire for making perimeter cuts on the tissue to be resected. | 09-18-2014 |
20140276814 | TISSUE RESECTION DEVICE AND RELATED METHODS OF USE - A medical device may include tubular member having a proximal end, a distal end, and a lumen extending therebetween. The tubular member may include an opening at a distal portion of the tubular member, wherein the opening is in communication with the lumen, wherein a distal end of the opening is disposed proximate of the distal end of the tubular member, and wherein the distal portion of the tubular member is configured to bend in at least one plane. The medical device may further include an actuation member extending at least partially within the tubular member, wherein a distal portion of the actuation member is configured to exit the tubular member at a location proximate the opening, wherein a distal end of the actuation member is coupled to the distal end of the tubular member, and wherein pulling the actuation member proximally is configured to cause the distal portion of tubular member to form a loop with itself. | 09-18-2014 |
20140276908 | RESECTION DEVICE WITH SUPPORT MECHANISM AND RELATED METHODS OF USE - A medical device for resecting tissue. The medical device includes a catheter shaft having a proximal portion and two or more distal branch portions. The distal branch portions are moveable between a closed position, and an open position. One or more lumens extend between the proximal portion and through each distal branch portion. An actuation element extends through the lumen of each distal branch portion. A snare loop is connected to each actuation element. | 09-18-2014 |
20140276909 | APPARATUS FOR TISSUE DISSECTION WITH SUCTION RING - A medical device may include a housing. The housing may include an outer wall, an inner wall spaced from the outer wall, and a cavity between the outer wall and the inner wall. The cavity may be in fluid communication with a lumen configured to adjust pressure within the cavity. The medical device may also include a cutting tool configured to move from extending around an outer surface of the housing to entering the cavity of the housing. | 09-18-2014 |
20140276910 | RETRIEVAL DEVICE AND RELATED METHODS OF USE - A medical device and a method for manipulating a tissue are disclosed. The medical device includes two or more bars, a snare loop and a constricting element. Each bar includes a proximal end, and one or more distal ends, such that the bars are in close proximity at the proximal end. The snare loop maybe coupled to the distal ends of the bars. The constricting element maybe movably coupled to the bars, such that the constricting element expands the snare loop when positioned at the proximal end of the plurality of bars while the constricting element collapses the snare loop when positioned at the distal end of the plurality of bars, thus, keeping the distal end of the snare loop stationary with respect to the tissue. | 09-18-2014 |
20140276911 | TISSUE RESECTION SNARES - A tissue resection device for resecting tissue from a target site within a patient's body. The device includes an elongate shaft having a proximal end and a distal end. An actuation member extends partially through the shaft, and reciprocates within the shaft between a retracted position and an extended position. Multiple snare wires extend through the actuation member, and emerge outwards from a distal portion of the actuation member. The snare wires cooperate and join to form a snare loop, which engages the tissue intended to be resected. The snare loop is configured to enhance friction while engaging the tissue, to resect the tissue. | 09-18-2014 |
20140277021 | TISSUE CUTTING DEVICES AND METHODS - A medical device may include an elongate member including a proximal end and a distal end. The medical device may also include a rotatable member at the distal end of the elongate member. The rotatable member may be rotatably coupled to the distal end of the elongate member. The rotatable member may include a longitudinal axis, and may be configured to rotate about the longitudinal axis. The rotatable member may also include a gripping element configured to engage a layer of tissue. The gripping element may be configured to selectively couple at least a portion of the layer of tissue to a surface of the rotatable member, to restrict relative movement between the portion of the layer of tissue and the surface of the rotatable member, during rotation of the rotatable member. | 09-18-2014 |
20140378988 | SUPPORTED RETRIEVAL DEVICE AND RELATED METHODS OF USE - A medical device for manipulating a tissue is disclosed. The device includes an elongate shaft having a proximal end, a distal end, and a first lumen between the proximal end and the distal end, which has an opening in communication with the first lumen. The elongate shaft further includes a second lumen or aperture disposed in an external surface of the elongate shaft. The device further includes: a support truss, a snare loop, and an actuation member having a distal end. The actuation member is movably disposed within the first lumen. The support truss is configured to be received within the first lumen, second lumen, or aperture such that a proximal end of the support truss is operably connected to the elongate shaft adjacent a proximal portion of the first lumen, second lumen, or aperture. The snare loop has a first portion connected to a distal end of the support truss and a second portion connected to the distal end of the actuation member. | 12-25-2014 |
20140378989 | RESECTION DEVICES AND RELATED METHODS OF DEPLOYMENT - A medical/surgical device for performing tissue resection can include an endoscope with proximal and distal ends, defining working channels, and a snare assembly located in one of the working channels. The working channel may include a bend near the distal end and towards the outward radial wall of the endoscope. The snare assembly may include a snare loop and an actuation element imparted with the pre-formed angular bends and an actuation control handle. The bends of the actuation element and the working channel may be the same. The rotational manipulation of the actuation element may synchronize the pre-formed bend of the actuation element with the bend of the working channel to concentrically (or otherwise) align the deployed snare loop with the endoscope or endoscope attachments. | 12-25-2014 |
20140379004 | Hemostasis Device With One Way Trap - A tissue clipping device includes (a) a first body extending from a proximal end to a distal end and including a first channel extending therethrough and (b) a plurality of first arm elements, each of the plurality of first arm elements extending radially into the first channel from a first end coupled to the first body to a second end proximal of its first end so that tissue drawn into a distal end of the first channel proximally beyond the second end of the plurality of first arm elements is compressed between each of the plurality of first arm elements and retained in the first channel. | 12-25-2014 |