Patent application number | Description | Published |
20090203960 | Fluid Seal for Endoscope - A seal is provided for effectively inhibiting the egress of fluids from the working channel of an endoscope when an elongate device having a region with a non-circular cross-sectional shape is disposed therein. The seal has a body portion with a proximal end adapted for insertion of the elongate device, a distal end adapted for connection to the proximal end of the endoscope, and a wall defining a lumen adapted to receive the elongate device and to provide access to the working channel of the endoscope. The seal includes a sealing element for sealing the region of the elongate device with a non-circular cross-sectional shape. The sealing element conforms to the profile of the non-circular region. | 08-13-2009 |
20090281374 | Endoscope Anchoring Device - A device for accessing tissue within a body lumen comprises an elongated body portion defining a lumen and an anchoring mechanism including an expanding structure on a distal portion of the elongated body portion. The anchoring mechanism moves the expanding structure from an insertion configuration in which the expanding structure is constricted against the device to an operative configuration in a body in which the expanding structure expands away from the device without altering a length of the anchoring mechanism in combination with a control mechanism for selectively engaging the anchoring mechanism. | 11-12-2009 |
20100105982 | Fluid Seal for Endoscope - A seal is provided for effectively inhibiting the egress of fluids from the working channel of an endoscope when an elongate device having a region with a non-circular cross-sectional shape is disposed therein. The seal has a body portion with a proximal end adapted for insertion of the elongate device, a distal end adapted for connection to the proximal end of the endoscope, and a wall defining a lumen adapted to receive the elongate device and to provide access to the working channel of the endoscope. The seal includes a sealing element for sealing the region of the elongate device with a non-circular cross-sectional shape. The sealing element conforms to the profile of the non-circular region. | 04-29-2010 |
20100268195 | Catheter With Directed Flow Design - A catheter includes an elongated catheter body having a proximal portion and a distal portion. A first longitudinally accessible lumen and a second lumen extend side by side within and along the proximal portion, and the first lumen and the second lumen form a single common lumen within the distal portion which extends to a distal end of the distal portion. The first lumen and second lumen are co-axial within the distal portion prior to forming a single common lumen. | 10-21-2010 |
20110071432 | Fine Needle Aspiration Device with Distal Anchor - A device for capturing a tissue sample from within a body comprises a needle slidably comprising a needle lumen extending therethrough to a needle opening in the distal end and a stylet slidably received in the needle lumen for movement between an extended position in which a tissue penetrating distal tip of the stylet extends out of the needle opening to penetrate target tissue and a retracted position in which the distal tip of the stylet is received within the needle opening to substantially seal the needle lumen. The stylet further comprises an anchoring feature located proximally of the tissue penetrating distal tip. The anchoring feature comprises a first gripping member including a first proximal facing abutting surface adjacent to a first tissue receiving gap. Movement of the stylet distally out of the needle lumen brings the first gripping member into engagement with surrounding tissue to anchor the stylet at a desired position within the body. | 03-24-2011 |
20110213300 | IN-VIVO VISUALIZATION SYSTEM - Several embodiments of the present invention are generally directed to medical visualization systems that comprise combinations of disposable and reusable components, such as catheters, functional handles, hubs, optical devices, etc. Other embodiments of the present invention are generally directed to features and aspects of an in-vivo visualization system that comprises an endoscope having a working channel through which a catheter having viewing capabilities is routed. The catheter may obtain viewing capabilities by being constructed as a vision catheter or by having a fiberscope or other viewing device selectively routed through one of its channels. The catheter is preferably of the steerable type so that the distal end of the catheter may be steered from its proximal end as it is advanced with the body. A suitable use for the in-vivo visualization system includes but is not limited to diagnosis and/or treatment of the duodenum, and particularly the biliary tree. | 09-01-2011 |
20110224575 | Needle with Helical Grooves Converting Axial Movement to Rotational Movement - A device for penetrating tissues within a living body, comprises a shaft extending from a proximal end which, in an operative position, remains outside the body to a distal end which, in the operative position, is within a living body, the shaft comprising a channel extending therethrough from the proximal end to an opening at the distal end. The device also comprises a needle extending within the channel and comprising a tissue penetrating tip. A portion of an outer surface of the needle includes a first structure wrapping therearound and configured to mate with a second structure formed on a corresponding portion of an inner wall of the shaft. The first and second structures mate with one another so that, as the needle is urged axially through the channel, the mating causes the needle to rotate about an axis of the channel. | 09-15-2011 |
20120209073 | IN-VIVO VISUALIZATION SYSTEM - Several embodiments of the present invention are generally directed to medical visualization systems that comprise combinations of disposable and resuable components, such as catheters, functional handles, hubs, optical devices, etc. Other embodiments of the present invention are generally directed to features and aspects of an in-vivo visualization system that comprises an endoscope having a working channel through which a catheter having viewing capabilities is routed. The catheter may obtain viewing capabilities by being constructed as a vision catheter or by having a fiberscope or other viewing device selectively routed through one of its channels. The catheter is preferably of the steerable type so that the distal end of the catheter may be steered from its proximal end as it is advanced with the body. A suitable use for the in-vivo visualization system includes but is not limited to diagnosis and/or treatment of the duodenum, and particularly the biliary tree. | 08-16-2012 |
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 |
20130274765 | SECUREMENT STRUCTURE FOR JOINING MEDICAL DEVICE PARTS - A securement structure is positioned inside a channel of a first medical device to facilitate securement of the first medical device to a second medical device. The first medical device may be a ligation banding cap, and the second medical device may be an endoscope. The securement structure is adapted to be compressed between the second medical device and the first medical device to secure them together. This allows parts of different sizes to fit together. | 10-17-2013 |
20130274766 | MEDICAL DEVICE WITH EXTERNAL ACTUATION LINE - An actuation line is positioned external to the support structure lumen of a medical device. The medical device, which may be a ligation banding cap assembly, may comprise a support structure having a support structure lumen therethrough, an external channel on the outer surface of the support structure, and an actuation line positioned at least in part in the external channel. The external channel may be defined by raised ridges on either side of the external channel. The external channel may be recessed in the outer surface of the support structure. When the medical device is attached to a second elongated medical device, the actuation line is external to the support structure lumen of the medical device and the second elongated medical device. | 10-17-2013 |
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 |
20140066706 | IN-VIVO VISUALIZATION SYSTEM - Several embodiments of the present invention are generally directed to medical visualization systems that comprise combinations of disposable and reusable components, such as catheters, functional handles, hubs, optical devices, etc. Other embodiments of the present invention are generally directed to features and aspects of an in-vivo visualization system that comprises an endoscope having a working channel through which a catheter having viewing capabilities is routed. the catheter may obtain viewing capabilities by being constructed as a vision catheter or by having a fiberscope or other viewing device selectively routed through one of its channels. The catheter is preferably of the steerable type so that the distal end of the catheter may be steered from its proximal end as it is advanced with the body. A suitable use for the in-vivo visualization system includes but is not limited to diagnosis and/or treatment of the duodenum, and particularly the biliary tree. | 03-06-2014 |
20140107622 | CATHETER WITH DIRECTED FLOW DESIGN - A catheter includes an elongated catheter body having a proximal portion and a distal portion. A first longitudinally accessible lumen and a second lumen extend side by side within and along the proximal portion, and the first lumen and the second lumen form a single common lumen within the distal portion which extends to a distal end of the distal portion. The first lumen and second lumen are co-axial within the distal portion prior to forming a single common lumen. | 04-17-2014 |
20140194689 | FLUID SEAL FOR ENDOSCOPE - A seal is provided for effectively inhibiting the egress of fluids from the working channel of an endoscope when an elongate device having a region with a non-circular cross-sectional shape is disposed therein. The seal has a body portion with a proximal end adapted for insertion of the elongate device, a distal end adapted for connection to the proximal end of the endoscope, and a wall defining a lumen adapted to receive the elongate device and to provide access to the working channel of the endoscope. The seal includes a sealing element for sealing the region of the elongate device with a non-circular cross-sectional shape. The sealing element conforms to the profile of the non-circular region. | 07-10-2014 |
20140330242 | CATHETER WITH FORMED GUIDE WIRE RAMP - A rapid exchange catheter comprises a guide wire lumen including a substantially sealed portion in which a lumen wall extends around an entire periphery thereof and a channel portion including a channel opening the lumen to an exterior of the catheter, wherein a width of the channel is less than a maximum width of the channel portion. A guide wire ramp extends into the channel portion, with the ramp extending further into the lumen of the channel portion as a distal end of the ramp is approached. | 11-06-2014 |
20140364873 | CAP WITH BAND DEPLOYMENT FEATURES - According to an embodiment of the present disclosure, a medical device for deploying a ligation band may include a tubular body. The tubular body may include a proximal end, a distal end, a radially inner surface defining a lumen through the tubular body, and a radially outer surface. The radially outer surface may include protrusions arranged in rows extending at least partially around a proximal region of the radially outer surface. Protrusions in adjacent rows may be separated by a first distance. Surface features may extend at least partially around a distal region of the radially outer surface. Adjacent surface features may be separated by a second distance larger than the first distance. | 12-11-2014 |