Patent application number | Description | Published |
20130150716 | Devices, Systems, and Methods for Visualizing an Occluded Vessel - Embodiments of the present disclosure are configured to visualize severe blockages in a vessel and, in particular, chronic total occlusions in blood vessels. In some particular embodiments, the devices, systems, and methods of the present disclosure are configured to visualize the blockage to facilitate safe crossing of the blockage. | 06-13-2013 |
20140058251 | Device, System, and Method for Anatomical Lesion Length Estimation - An intravascular measurement system is provided. The system includes a catheter having a plurality of visible markers on a proximal portion that are proportional to a plurality of radiopaque markers on a distal portion. In at least one aspect, the system includes an imaging device adjacent the distal end. | 02-27-2014 |
20140058257 | Device, System, and Method Utilizing a Radiopaque Coil for Anatomical Lesion Length Estimation - A catheter is provided with increased flexibility and radiopaque measurement visibility. The radiopaque measurement bands are formed of a continuous coil of radiopaque material defined by areas of tightly packed coils spaced by areas of loosely wound coils. Systems and methods of utilizing the measurement structure are also provided. | 02-27-2014 |
20140163358 | High Pressure Therapeutic and Imaging Catheter - Disclosed herein is an integrated therapeutic and imaging catheter. The catheter comprises an inner member defining a guidewire lumen, a balloon assembly, a treatment device mounted about the balloon assembly, and an imaging device. The balloon assembly comprises an inner sleeve surrounding the inner member and a connection medium, wherein the connection medium is disposed between the balloon inner sleeve and the inner member, and an outer sleeve surrounding the inner sleeve. The imaging device is disposed distal to the balloon assembly and is coupled to the connection medium. | 06-12-2014 |
20140163361 | Combination Rotational and Phased-Array In Vivo Imaging Devices and Methods - An in vivo imaging device including at least two imaging modalities. In one aspect, the device includes a rotational imaging system in combination with a non-rotational imaging system. Systems including the imaging device, and methods of forming and in vivo imaging using a flexible, elongate body that includes two imaging modalities are also disclosed. | 06-12-2014 |
20140171736 | Transitional Region Having Cuts and A Skive for an Imaging Catheter - An imaging device for imaging a portion of a patient's vasculature with an imaging element may include a proximal portion having a relatively higher stiffness that provides rigidity for pushing the imaging device through a patient's vasculature, and may include a distal portion having a relatively lower stiffness that enables threading through a curved vasculature of the patient. The imaging device also may include a transition region disposed between the proximal portion and the distal portion. | 06-19-2014 |
20140171788 | Devices, Systems, and Methods for Targeted Cannulation - Described herein is a sensing wire for locating a blood vessel in a patient. The sensing wire comprises a hollow, rigid tube including a lumen extending from a proximal portion to a distal portion, an ultrasonic sensor coupled to the distal portion of the tube, and a communication assembly positioned at the distal portion and coupled to the ultrasound sensor. Also described is a system for accessing and evaluating a blood vessel in a patient. The system comprises an access sensor wire, an access needle sized to receive the access sensor wire, and a second sensing wire configured to be positioned within the access needle. A method is also disclosed for accessing a blood vessel with an introduction needle, where a short access sensing wire is replaced by a much longer second sensing wire after the needle is positioned in the vessel. | 06-19-2014 |
20140180055 | ASPIRATING AND REMOVING BIOLOGICAL MATERIAL - The invention generally relates to devices and methods for imaging and aspirating biological material from inside a vessel. In certain embodiments, the invention provides devices that include a body configured to fit within a lumen of a vessel. The body includes an opening. Devices of the invention also include an aspiration channel within the body. The aspiration channel includes a distal end that is connected to the opening. Devices of the invention also include an imaging assembly coupled to the body. | 06-26-2014 |
20140180066 | INTRODUCER HAVING A FLOW SENSOR - An introducer, including a needle, a guide shaft, and a sheath, that can be used to place an access cannula into a blood vessel. In an embodiment, the guide shaft includes a Doppler flow sensor, allowing a user to easily identify a vein or artery beneath the skin. In another embodiment, the guide shaft also includes a pressure sensor. | 06-26-2014 |
20140180067 | IMPLANT DELIVERY SYSTEM AND IMPLANTS - The invention generally relates to devices and methods that allow an operator to obtain real-time images of a luminal surface during an implant delivery procedure. In certain embodiments, a delivery device of the invention includes an elongate body and an inner member moveably disposed within the elongate body. The elongate body includes a first imaging element and defining a center lumen that leads to an opening. The elongate body is configured to releasably hold an implant within the center lumen and the first imaging element is configured to at least partially surround the center lumen such that the implant is deployable through the first imaging element. The inner member is configured to engage with and deploy the implant out of the opening of the elongate body and into a body lumen. | 06-26-2014 |
20140180071 | LOCATING INTRAVASCULAR IMAGES - The invention includes imaging catheters having image collectors co-located with radiopaque labels, methods of using the imaging catheters, and systems for locating the position of intravascular images within the body. In some instances, an angiogram is used to determine the precise location of the co-located radiopaque labels, and thus, the position of the intravascular image. | 06-26-2014 |
20140180076 | SMOOTH TRANSITION CATHETERS - The present invention generally relates to a rapid exchange configuration that reduces the profile of a catheter riding on a guidewire and minimizes guidewire resistance. According to certain embodiments, a body of the catheter includes a distal portion and a proximal portion. The distal portion defines a guidewire lumen and includes a guidewire exit port being open in a proximal direction and leading to the guidewire lumen. A proximal section of the guidewire lumen is straight. | 06-26-2014 |
20140180118 | Catheter Assembly with a Shortened Tip - Devices and methods of the invention generally relate to a shortened distal tip for use with intraluminal imaging devices. In certain aspects, an intraluminal device of the invention includes a body and a tip member. The body utilizes an imaging element located on a distal end of the body, in which the imaging element is configured to image an object within a forward plane extending beyond the distal end of the body. A tip member is coupled to the distal end of the body and sized to fit at least between the forward plane and the distal end. | 06-26-2014 |
20140180122 | INTRALUMINAL DEVICE HAVING ENHANCED DELIVERABILITY - Intraluminal devices, especially catheters having variable flexibility elements in a midsection of the device. The devices offer improved deliverability in an intraluminal environment, especially when used in imaging and treatment catheters. | 06-26-2014 |
20140180254 | Distal Catheter Tip Formation - The present disclosure provides various embodiments of methods of forming a tapering distal tip for a catheter. An exemplary method includes providing a mandrel and a holding hypotube, placing a tip first material with a first outer diameter over the mandrel and the hypotube, placing a tip second material with a second outer diameter over the mandrel and under the first material, placing a shrink tube of heat-shrink material around at least a junction of the first material and second material, heating the shrink tube, cooling the first material and second material, and removing the shrink tube and the hypotube. The first outer diameter is greater than the second outer diameter. | 06-26-2014 |
20140180255 | DISTAL CATHETER TIPS AND FORMATION THEREOF - The present disclosure provides various embodiments of products for a tapered catheter tip and methods of forming a tapered distal tip for a catheter. An exemplary tapered catheter tip of the invention includes a proximal segment, a distal segment, and a midsection there between. The midsection includes at least two tip materials in an overlapping configuration and the distal segment includes one of the at least two tip materials. | 06-26-2014 |
20140275996 | SYSTEMS AND METHODS FOR CONSTRUCTING AN IMAGE OF A BODY STRUCTURE - The invention generally relates to systems and methods for constructing an image of a body structure. In certain embodiments, methods of the invention involve externally imaging a body structure within the patient using a first imaging device. The methods also involve internally imaging the body structure within the patient using a second imaging device. The second imaging device includes a radiopaque label co-located with an image collector of the second imaging device. Additionally, methods of the invention involve combining external imaging data and internal imaging data to produce an image of the body structure. The label on the second imaging device facilitates alignment of the external imaging data and the internal imaging data. | 09-18-2014 |
20140276016 | FLUSHING FOR IMAGING CATHETERS - The invention is an imaging catheter chamber having a plurality of openings to allow easy passage of fluids, e.g., saline from the interior of the chamber to the exterior of the catheter. The invention is useful for both IVUS and OCT imaging. | 09-18-2014 |
20140276024 | IMAGING AND DELIVERING THROMBOLYTIC AGENTS TO BIOLOGICAL MATERIAL INSIDE A VESSEL - The invention generally relates to devices and methods for imaging and delivery thrombolytic agents to biological material inside a vessel. In certain embodiments, the invention provides devices that include a body configured to fit within a lumen of a vessel. The body includes an opening. Devices of the invention also include a channel within the body. The channel includes a distal end that is connected to the opening. Devices of the invention also include an imaging assembly coupled to the body. | 09-18-2014 |
20140276028 | Integrated Therapeutic Imaging Catheter and Methods - Disclosed herein is an integrated therapeutic and imaging catheter. The catheter comprises an inner member defining a guidewire lumen, a radiopaque balloon assembly, a treatment device operatively associated with an outer sleeve of the balloon assembly, and an imaging device adjacent the balloon assembly. The balloon assembly comprises an inner sleeve surrounding the inner member and an outer sleeve surrounding the inner sleeve. The catheter includes a connection medium, wherein when the connection medium extends through the balloon it is disposed between the balloon inner sleeve and the inner member. The imaging device is disposed adjacent to the balloon assembly and is coupled to the connection medium. | 09-18-2014 |
20150057536 | Balloon Catheter Junction - A balloon catheter junction includes a distal junction on a distal end of a balloon. The junction includes an inner member, a balloon inner sleeve encompassing the inner member and bonded to an interior of a mid-shaft, and a balloon distal leg bonded to an exterior of the mid-shaft. A connection medium is disposed between the balloon inner sleeve and the inner member. | 02-26-2015 |