Abstract: Systems, methods, and devices are provided for the treatment of edema. In one aspect a method for implanting an indwelling catheter within a vein of a patient is provided. The catheter can extend from a position upstream of at least one outflow port of a duct of the lymph system to a terminal position downstream of the at least one outflow port. In use, a first restriction can be created within the vein proximal to a distal region of the catheter. The first restriction can define a localized low pressure zone distal of the restriction and within a portion of the vein housing the catheter. The low pressure zone can be adjacent to the at least one outflow port to enable fluid to pass from the at least one lymph duct outflow port into the vein.

Abstract: Systems and methods for the intravascular treatment of clot material within a blood vessel of a human patient are disclosed herein. A method in accordance with embodiments of the present technology can include, for example, positioning a distal portion of a catheter proximate to the clot material within the blood vessel. The method can further include coupling a pressure source to the catheter via a tubing subsystem including a valve or other fluid control device and, while the valve is closed, activating the pressure source to charge a vacuum. The valve can then be opened to apply the vacuum to the catheter to thereby aspirate at least a portion of the clot material from the blood vessel and into the catheter.

Abstract: A surgical access device includes a cannula body, an anchor, and a first suture retention mechanism. The cannula body includes a housing and an elongated portion extending distally from the housing. The elongated portion defines a longitudinal axis and a channel extending therethrough. The anchor is disposed in mechanical cooperation with the elongated portion of the cannula body and is longitudinally translatable relative to the elongated portion. The first suture retention mechanism extends laterally from the anchor. A suture-receiving channel is defined between a portion of the suture retention mechanism and a portion of the anchor.

Abstract: Balloon based therapy devices for treatment of diseased vessels are described. The devices are adapted for active aspiration of a closure zone prior to delivery of a closure agent. The devices may be used for treatment of diseased veins in the lower limbs and pelvis.

Abstract: Ablation catheters and systems include multiple inline chambers for containing and heating an ablative agent. The heating chamber includes one or more channels to increase the contact surface area of the ablative agent with the walls of the heating chamber to provide more efficient heating. Induction heating is used to heat a chamber and vaporize a fluid within by wrapping a coil about a ferromagnetic chamber and providing an alternating current to the coil. A magnetic field is created in the area surrounding the chamber which induces electric current flow in the chamber, heating the chamber and vaporizing the fluid inside. Positioning elements help maintain the device in the proper position with respect to the target tissue and also prevent the passage of ablative agent to normal tissues.

Abstract: An introduction arrangement for a fenestrated or branched stent graft intended for deployment into the lumen of a vessel having a blind vessel extending from it. The introducer has a distal end intended to remain outside a patient in use and a proximal end with a nose cone dilator and an arrangement to retain the branched stent graft distally of the nose cone dilator. A sheath on the introducer extends over the branched stent graft to the nose cone dilator. An indwelling catheter extends from the distal end of the introducer and enters the fenestration or side arm and through to the nose cone dilator, the indwelling catheter has a guide wire extending through it. The guide wire can be extended beyond the nose cone dilator in use before the sheath is withdrawn from the branched stent graft so that it can be snared from the contra-lateral artery.

Abstract: An endovascular catheter for vein ablation comprising: an elongated rod sized for insertion into a vein; at least one irritation element coupled to the distal end portion of the rod, the at least one irritation element having an expanded irritation state for contacting an inner wall segment of the vein to irritate the vein segment to trigger spasm of the vein segment and a non-irritation state, the at least one irritation element arranged for iterative changes between the irritation state and the non-irritation state; and at least one support element coupled to the distal end portion of the rod, the support element arranged to apply a mechanical force from the distal end portion to iteratively return the irritation element to the expanded irritation state in response to dynamic feedback of vein walls pressing against the irritation element to force the irritation element into the non-irritation state.

Abstract: Guidewires and methods useable in conjunction with image guidance systems to facilitate performance of diagnostic or therapeutic tasks at locations within the bodies of human or animal subjects.

Abstract: A system for dilating a body cavity with a device including a series of elongated members, each having a central channel and increasing outer diameters where the members are positioned one over the other such that the members are advanced into the body cavity to incrementally dilate the body cavity. The central channels of each member allow for various procedures to be performed including, for example, the application of wireless energy (e.g., ultrasonic) to the body cavity, the introduction of an irrigating fluid and aspiration from the body cavity, and the introduction of a drug to the body cavity.

Abstract: A method of treating bowel diseases includes introducing a fluid into a portion of a patient's colon and applying energy thereto from an external energy source such that the fluid and the energy cooperate to treat tissue of the portion of the patient's colon in contact with the fluid. Another method of treating inflammatory bowel diseases includes sealing a portion of a patient's colon, introducing an electrically-conductive fluid thereto, and energizing an electrode disposed therein to treat tissue of the portion of the patient's colon in contact with the electrically-conductive fluid. Another method of treating inflammatory bowel diseases includes sealing a portion of a patient's colon and introducing a heated fluid at a temperature equal to or above 60° C. to treat tissue of the portion of the patient's colon in contact with the heated fluid.

Abstract: Disclosed is a localized method for treatment of cancer including the steps of providing a drug delivery catheter; navigating the catheter to the bile duct; and delivering a therapeutic agent into the bile duct. According to one aspect of the method, the drug delivery catheter is a multi-occlusion balloon catheter. The multi-occlusion balloon catheter may include at least two balloons. The multi-occlusion balloon catheter may optionally include a pressure transducer between the balloons to optimize delivery technique.

Abstract: A medical device for dilating urethral strictures comprises a urethral catheter disposed inside a slidable sheath. The device includes a localizing balloon and one or more dilating balloons capable of expanding radially outward to mechanically expand the urethral stricture. In certain embodiments, the device is adjustable in order to position the location of the one or more dilating balloons of the device relative to the urethral stricture of a patient.

Abstract: Apparatus, systems, and methods in which a catheter-based pump is used are disclosed. The catheter-based pump is placed within the inferior vena cava of a patient. The catheter-based pump has a variable obstructor, such as a balloon or some other artificial obstruction, which is sized and dimensioned to compartmentalize the inferior vena cava into an upstream region and a downstream region of the inferior vena cava. The catheter-based pump is configured to pump blood from the upstream region to a fluid line that discharges blood to a discharge location in the downstream region. Thus, a suitable pressure gradient across the organ is provided, which can benefit organ function.

Abstract: A delivery device can provide sequential delivery of a plurality of intraluminal devices or tacks held in a compressed state on the delivery device. Delivery platforms on the delivery device can hold a tack in a compressed position and be positioned between annular pusher bands that may also be radiopaque markers. The annular pusher bands can be made of wire or sections of material to increase flexibility while remaining radiopacity. A post deployment dilation device can be included. The post deployment dilation device can be a plurality of expansion filaments, a bellows, or a balloon. A tack deployment method can include allowing a self-expanding tack to expand, aligning the post deployment dilation device under the tack, and causing the post deployment dilation device to expand radial to push outward on the tack.

Abstract: An apparatus for preventing stroke by occluding blood flow through a right carotid artery and a left carotid artery of a patient is provided. The apparatus has a first occluding catheter that carries a first occluding balloon that has an inflated configuration that occludes either the right carotid artery or the left carotid artery. The apparatus also includes a second occluding catheter that carries a second occluding balloon that has an inflated configuration that occludes the other one of the right carotid artery or the left carotid artery that is not occluded by the first occluding balloon. An insertion device may also be present to allow for insertion of the first and second occluding catheters.

Abstract: The present invention comprises systems, methods and devices for the delivery of compositions for occluding or of means for opening conduits. The implantable occlusive material may be delivered pre-formed or in situ cured and, may be a resorbable material that supports tissue ingrowth that eventually replaces the material leaving little or no original material in place. The delivery system is positioned to allow for placement of the occlusive material into the body conduit. Use of delivery systems, methods and devices for re-opening an occluded body conduit are also included.

Abstract: Methods and devices to remove thromboembolic material from the human body using rotational energy and aspiration are disclosed. A thromboembolic removal system includes an extraction device and drive unit. The extraction device is introduced to the treatment area and activated by the drive unit to separate, break apart, loosen or soften thromboembolic material and to facilitate its aspiration outside the patient.

Abstract: The present invention comprises systems, methods and devices for the delivery of compositions for occluding or of means for opening conduits. The implantable occlusive material may be delivered pre-formed or in situ cured and, may be a resorbable material that supports tissue ingrowth that eventually replaces the material leaving little or no original material in place. The delivery system is positioned to allow for placement of the occlusive material into the body conduit. Use of delivery systems, methods and devices for re-opening an occluded body conduit are also included.

Abstract: A system for cleaning an implanted blood pump, comprising: an inflow catheter having an expandable inflow member positioned about the periphery thereof; an inflow tube coupled with the inflow catheter; a valve assembly coupled to the inflow tube; an outflow tube coupled to the valve assembly; and an outflow catheter having an expandable outflow member positioned about the periphery thereof, the outflow catheter being coupled to the outflow tube. In use, the inflow tube and outflow tube extend through the skin of a human body, the inflow catheter and outflow catheter are positioned within the human body, and the valve assembly is positioned outside the human body.

Abstract: An introduction arrangement for a fenestrated or branched stent graft (13) intended for deployment into the lumen of a vessel having a blind vessel extending from it. The introducer (1) has a distal end intended to remain outside a patient in use and a proximal end with a nose cone dilator (11) and an arrangement to retain the branched stent graft distally of the nose cone dilator. A sheath (15) on the introducer extends over the branched stent graft to the nose cone dilator. An indwelling catheter (22) extends from the distal end of the introducer and enters the fenestration or side arm and through to the nose cone dilator, the indwelling catheter has a guide wire (29) extending through it. The guide wire can be extended beyond the nose cone dilator in use before the sheath is withdrawn from the branched stent graft so that it can be snared from the contra-lateral artery.

Abstract: A method of removing thrombus accumulation from a space between a body valve and a wall of a body vessel is described herein. The method can include an occlusion catheter with a first occlusion member positioned on the second side of the vessel. An aspiration catheter is introduced through the vessel and the valve. The aspiration catheter can have a nozzle with a bent configuration to position the end opening proximate to the thrombus accumulation.

Abstract: An introduction arrangement for a fenestrated or branched stent graft (13) intended for deployment into the lumen of a vessel having a blind vessel extending from it. The introducer (1) has a distal end intended to remain outside a patient in use and a proximal end with a nose cone dilator (11) and an arrangement to retain the branched stent graft distally of the nose cone dilator. A sheath (15) on the introducer extends over the branched stent graft to the nose cone dilator. An indwelling catheter (22) extends from the distal end of the introducer and enters the fenestration or side arm and through to the nose cone dilator, the indwelling catheter has a guide wire (29) extending through it. The guide wire can be extended beyond the nose cone dilator in use before the sheath is withdrawn from the branched stent graft so that it can be snared from the contra-lateral artery.

Abstract: A deployment apparatus and method for deploying one or more stents to a bifurcated vessel is provided. The invention is particularly suited for T-type bifurcated vessels where a side branch extends from a main branch. The deployment apparatus has a primary inflatable portion for engagement within the main branch and a secondary inflatable portion for engagement within the side branch. A main stent is arranged on the primary inflatable portion and radially expanded within the main branch while the secondary inflatable portion maintains registration with the side branch. A side branch stent is then arranged on the secondary inflatable portion and expanded within the side branch while the primary inflatable portion maintains registration with the expanded main stent. A bifurcated stent system suitable for bifurcated lesions is also provided comprising a side branch stent with a shaped end designed to engage a similarly shaped side opening in a main stent.

Abstract: An apparatus includes an inner catheter that is coupled to a handle and defines a lumen configured to receive a guidewire. An outer catheter is movably coupled to the handle and defines a first lumen in fluid communication with a distal opening and that is configured to introduce a therapeutic agent through the distal opening and into a target pancreatic artery(ies). The outer catheter defines a second lumen configured to receive at least a portion of the inner catheter. An actuator is coupled to the handle and configured to move the outer catheter relative to the handle. A first occlusion element is coupled to the inner catheter and a second occlusion element is coupled to the outer catheter and disposed proximal to the first occlusion element. A distance between the first occlusion element and the second occlusion element is adjustable when the outer catheter is moved relative to the handle.

Abstract: An apparatus includes an inner catheter that is coupled to a handle and defines a lumen configured to receive a guidewire. An outer catheter is movably coupled to the handle and defines a first lumen in fluid communication with a distal opening and that is configured to introduce a therapeutic agent through the distal opening and into a target pancreatic artery(ies). The outer catheter defines a second lumen configured to receive at least a portion of the inner catheter. An actuator is coupled to the handle and configured to move the outer catheter relative to the handle. A first occlusion element is coupled to the inner catheter and a second occlusion element is coupled to the outer catheter and disposed proximal to the first occlusion element. A distance between the first occlusion element and the second occlusion element is adjustable when the outer catheter is moved relative to the handle.

Abstract: The disclosure provides macrolide particulates including a macrolide therapeutic agent such as rapamycin at high concentration in the particulate. In one method the particulates are made by adding a composition containing an polyoxyethylene sorbitan n-acyl ester, poly(ethyleneimine), or alkylated quaternary ammonium salt to a composition including macrolide dissolved in an alcohol such as ethanol. In another method the particulates are made by adding a non-solvent composition to a composition including macrolide and an alkyl-substituted chromanol dissolved in an alcohol such as ethanol. The formed macrolide particulates have one or more desirable properties including sizes in the range of 0.1 ?m to 10 ?m, spherical or near spherical shapes, low polydispersity, and/or stability. The macrolide particulates can be used for therapeutic compositions, or in association with an implantable or insertable medical device, such as associated with a polymeric coating on a device.

Abstract: Medical devices and methods are disclosed. An example method for accessing a body lumen may include providing a catheter system. The catheter system may include a catheter shaft having a lumen defined therein and an outer wall surface having a channel formed therein. A first guidewire may be disposed in the channel and a second guidewire may be disposed in the lumen. The method may also include advancing the catheter system through a body lumen to a location where the body lumen splits into a first section and a second section, advancing the first guidewire into the first section, and advancing the second guidewire into the second section, and advancing the catheter shaft along the second guidewire and into the second section. Advancing the catheter shaft along the second guidewire and into the second section may remove at least a portion of the first guidewire from the channel.

Abstract: Embodiments of a method and apparatus to prevent reperfusion injury. In one embodiment, blood flow proximal to a lesion is occluded. An infusion catheter is advanced to a region distal to the lesion and an anti-reperfusion injury drug is delivered. The lesion may then be treated with a dilating device to reintroduce blood flow to the region distal to the lesion.

Abstract: Disclosed is an expandable transluminal sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion of at least a part of the distal end of the sheath to a second, enlarged cross-sectional configuration. The sheath is configured for use in the vascular system and has utility in the introduction and removal of balloon counterpulsation catheters. The access route is through the femoral arteries and the iliac arteries into the aorta, where an intra-aortic balloon pump catheter is positioned to provide cardiac support. The distal end of the sheath is maintained in the first, low cross-sectional configuration during advancement to the arteries into the aorta. The distal end of the sheath is subsequently expanded using a radial dilatation device.

Abstract: The present invention is directed to a novel device and method for providing a disposable endotracheal intubation device for use with an auxiliary passageway serving as a guide for the placement of an orogastric or other enterally directed device in a patient. The present invention pertains to a medical catheter device, removably attachable to an endotracheal tube, for guiding the path of an enteral tube into the esophagus of a patient. The catheter device preferably employs an adjustable clamp to fix the position of the catheter relative to the endotracheal tube. The present invention also pertains to a combination medical intubation device comprising an endotracheal tube and a catheter proximate the endotracheal tube to guide the path of an enteral tube. The present invention also pertains to a method of intubating a patient using this combination medical intubation device.

Abstract: Devices and methods are described herein for engraftment of stem cells into a pancreas using an endovascular approach. Targeted intra-arterial injection of stem cells selectively in a splenic artery can achieve engraftment of insulin producing cells in the tail of the pancreas with high efficiency and without systemic circulation of these cells to other organs. In one embodiment, a catheter device includes expandable occlusion elements in the form of inflatable balloons that can be used to isolate a proximal and distal end of a pancreatic portion of the splenic artery. In another embodiment, the occlusion elements include a filter element instead of a balloon. In some embodiments, targeted delivery of stem cells to the pancreatic tail can be achieved for treatment of, for example, diabetes. In some embodiments, an arterial section of the splenic artery can be isolated for selective perfusion of therapeutic cells/drugs to the tail of the pancreas.

Abstract: An apparatus including a cannula having a dimension suitable for insertion into a blood vessel and an expandable body coupled thereto, the expandable body comprising a first expandable member and a second expandable member to isolate a length of the vessel upon expansion within the blood vessel. The expandable body having an intermediate expandable member along a working length between the first expandable member and the second expandable. A method including introducing a cannula and an expandable body coupled thereto into a blood vessel at a point coextensive with a treatment site and expanding a first expandable member and a second expandable member of the expandable body to isolate a length of the vessel adjacent the treatment site. The method further including delivering a treatment agent to a vessel region between the first expandable member and the second expandable member while inflating and deflating an intermediate expandable member.

Abstract: An apparatus for treatment of a bifurcation of a body lumen, the bifurcation having a main vessel and a branch vessel, the apparatus includes a bifurcated balloon with a first branch portion and a second branch portion, the second branch portion including an inflatable portion adapted to extend toward the branch vessel, the bifurcated balloon also having a proximal shaft portion and a distal shaft portion connected to the inflatable portion of the second branch portion, and wherein the first branch portion and the second branch portion each have a longitudinal axis, the axis of the first branch portion being substantially parallel to the longitudinal axis of the second branch portion.

Abstract: A balloon catheter assembly for delivering nano-carriers to bifurcation lesions in one or more of a main branch and a side branch of a blood vessel bifurcation within 30 to 90 seconds is provided. The balloon catheter assembly includes two or more balloons designed for use in the blood vessel bifurcation. The balloon catheter assembly may also include one or more stents. A surface of one or more of the two or more balloons is coated with the nano-carriers. Stents, when included, may also be coated with the nano-carriers. The nano-carriers include one or more drugs encapsulated with one or more biological agents.

Abstract: A medical device for the delivery of treatment fluid to body vessels is described. The device has a distal (21) and a proximal (20) end with a self-expanding, hollow tubular member (9) and a delivery catheter (10) suitable for deploying a self-expanding, tubular member (9). The tubular member (9) is configured to expand radially to form a central part (11) flanked by two annular ridges, which creates, in situ, an annular lumen that can apply treatment fluid locally to a vessel and a passageway that can maintain the flow of blood through the vessel. The device is particularly suited for minimally invasive and repeatable organ perfusion. A method for organ perfusion is also disclosed.

Abstract: Systems for treating a vessel bifurcation comprise a bifurcated catheter having a first branch and a second branch. Each branch defining an exchange region that extends from the distal end of the shaft to the guidewire port of the shaft. The catheter has a radial alignment mechanism which provides improved radial alignment characteristics of at least the exchange region of the branches.

Abstract: The present disclosure is directed to a catheter for site-specific delivery of a therapeutic agent to a blood vessel of a patient. The catheter further includes an elongated shaft having at least one inner lumen, a distal end and a proximal end and proximal and distal vessel-conforming balloons where each is separately positionable and inflatable, and when inflated, substantially restricts blood flow in the vessel and creates a treatment window of a defined but variable length for delivery of the therapeutic agent. The catheter optionally includes at least one marker band adjacent to the proximal balloon and at least one marker band adjacent to the distal balloon. At least one lateral aperture positioned in the window is in fluid communication with a drug delivery conduit located within either the inner shaft or the outer shaft to provide a homogeneous concentration of the therapeutic agent to the window.

Abstract: Gastrointestinal apparatus (10) is provided, including a guiding element (16) and an inflatable mechanical device (96), adapted to pull the guiding element (16) through a colon of a patient. A gastrointestinal tool (12) is shaped to define a bore (14) therethrough, and the guiding element (16) is adapted to pass through the bore (14). Other embodiments are also described.

Abstract: The invention discloses a balloon catheter assembly for delivering nano-carriers to bifurcation lesions in one or more of a main branch and a side branch of a blood vessel bifurcation within 30 to 90 seconds. The balloon catheter assembly includes two or more balloons designed for use in the blood vessel bifurcation. A surface of one or more of the two or more balloons is coated with the nano-carriers. The nano-carriers include one or more drugs encapsulated with one or more biological agents.

Abstract: Devices for the isolation of a selected portion of a vessel are described. In some embodiments, the device comprises an introducer sheath and a sealing catheter that are movable relative to each other to create an isolated volume with adjustable size and location. The methods for the treatment of vascular aneurysms using the devices are described. The treatment is achieved through the delivery of an effective amount of stabilization agent to an isolated volume that encompass the aneurysm. The device optionally has an aspiration means to improve the effectiveness of the treatment.

Abstract: Methods, systems and devices are provided for performing lung volume reduction in patients suffering from chronic obstructive pulmonary disease or other conditions where isolation of a lung segment or reduction of lung volume is desired. The methods are minimally invasive with instruments being introduced through the mouth (endotracheally) and rely on isolating the target lung tissue segment from other regions of the lung and occluding various lung passageways with the use of occlusal stents. The occlusal stents are delivered with the use of an occlusal stent delivery system which is loaded with the occlusal stent with the use of an occlusal stent loading system.

Abstract: To perform treatment by readily introducing a device causing minimal invasion even where approach from the body surface is difficult, a medical device includes a guide that is inserted into a lumen; a first balloon at a distal end of the guide, connected to a first flow path extending to a proximal end of the guide; a second balloon on the guide, separated from the first balloon on the proximal-end side and connected to a second flow path extending to the proximal end of the guide; a third balloon extending along the guide from a point between the first balloon and the second balloon to the proximal end and having a port for supplying or discharging fluid at the proximal end; and a cleansing flow path having a discharge port between the first balloon and the second balloon and extending to the proximal end of the guide.

Abstract: The invention discloses a balloon catheter assembly for delivering nano-carriers to bifurcation lesions in one or more of a main branch and a side branch of a blood vessel bifurcation within 30 to 90 seconds. The balloon catheter assembly includes two or more balloons designed for use in the blood vessel bifurcation. A surface of one or more of the two or more balloons is coated with the nano-carriers. The nano-carriers include one or more drugs encapsulated with one or more biological agents.

Abstract: In a region where an intestine is movable in the abdominal cavity, conventional endoscope apparatus have suffered from a difficulty in moving an endoscope advancing portion toward a deep intestinal portion. An apparatus for advancing an endoscope is provided, which can be easily manipulated to advance medical instruments having endoscopic functions toward a deep portion. The apparatus includes first and second medical instruments, each having, at a distal end portion thereof, a balloon portion that can be fixed to an intestinal wall. In a fixed state, the balloon portion of the first medical instrument is configured to form a gap for enabling a distal end portion of the second medical instrument to advance therethrough. In a fixed state, the balloon portion of the second medical instrument is configured to form a gap for enabling a distal end portion of the first medical instrument to advance therethrough.

Abstract: A balloon catheter may comprise a primary inflation balloon and a secondary inflation balloon located to one side of the primary inflation balloon. The secondary balloon comprises a first portion and a second portion, the first portion located closer to the primary balloon. The second portion has a greater size than the first portion, and a portion of the second portion extends outwardly beyond the first portion and overhangs the first portion. In some embodiments, a cross-sectional shape of the secondary balloon in an inflated state comprises a mushroom shape.

Abstract: The invention, in one embodiment, is directed to a catheter for site-specific delivery of a therapeutic agent to a blood vessel of a patient. The catheter further includes an elongated shaft having at least one inner lumen, a distal end and a proximal end and proximal and distal vessel-conforming balloons where each is separately positionable and inflatable, and when inflated, substantially restricts blood flow in the vessel and creates a treatment window of a defined but variable length for delivery of the therapeutic agent. The catheter optionally includes at least one marker band adjacent to the proximal balloon and at least one marker band adjacent to the distal balloon. At least one lateral aperture positioned in the window is in fluid communication with a drug delivery conduit located within either the inner shaft or the outer shaft to provide a homogeneous concentration of the therapeutic agent to the window.

Abstract: The present invention includes a first balloon member having a first hollow portion that allows an insertion portion of the endoscope to pass therethrough; a first transmission member that transmits an advance/retreat action performed by an operator to the first balloon member; a second balloon member having a second hollow portion that allows the insertion portion of the endoscope to pass therethrough; a second transmission member that transmits an advance/retreat action performed by an operator to the second balloon member; and a control portion that controls supply and exhaust of fluid to and from the inside of the first balloon member and the second balloon member to expand or contract the first balloon member and the second balloon member.

Abstract: Devices for enhancing minimally invasive cardiac surgery include a visualization device including an inflatable balloon at or near the distal end. Some visualization devices also include one or more lumens for allowing the introduction of one or more devices to a surgical site through the visualization device. Systems of the invention involve a visualization device which has at least one lumen for allowing introduction of an ablation device and/or other devices. A visualization device with an inflatable balloon may be positioned to create a space between a heart and pericardium when the balloon is inflated.

Abstract: The present invention is directed to a novel device and method for providing a disposable endotracheal intubation device for use with an auxiliary passageway serving as a guide for the placement of an orogastic or other enterally directed device in a patient. The present invention pertains to a combination intubation device comprising an endotracheal tube and a catheter proximate the endotracheal tube to guide the path of an enteral tube. In a preferred embodiment, the endotracheal tube is capable of defining an arcuate path in a first geometric plane between its proximal end and its distal end to facilitate introduction of the tube into the trachea of a patient. In a preferred embodiment, the catheter employs a fenestration to facilitate removal of the intubation device from the patient without removal of any enteral device previously directed therethrough into the patient.

Abstract: A combination aspiration/irrigation and illumination device using optical fibers circumferentially disposed around the aspiration conduit for transmitting illuminating light to a cavity to be aspirated. The ends of the optical fibers being formed at an angle relative to the aspiration conduit so as to direct the illuminating light inward to provide intensified illumination ahead of the aspiration conduit.