Patent classifications
A61M2025/0681
Methods and apparatus for treating disorders of the sinuses
A medical device for the treatment of a sinus opening includes a handle, a grooming sheath, a rail, a guide wire, a balloon catheter and a balloon catheter movement mechanism. The handle has a proximal end, a distal end and a longitudinal axis along the length of the handle. The grooming sheath has a distal end and a proximal end with the proximal end of the grooming sheath being attached to the distal end of the handle. The rail has a distal end and a proximal end and disposed partially within the grooming sheath to define an annular lumen is between the rail and the grooming sheath. The guide wire operatively extends from the distal end of the rail and the balloon catheter is disposed at least partially in the handle and annular lumen. The balloon catheter movement mechanism operatively disposed on the handle and configured for advancement and retraction of the balloon catheter through both the handle and the annular lumen and along both the rail and guide wire by user operation of the balloon catheter movement mechanism. A method for treating a sinus opening includes inserting a medical device for the treatment of a sinus opening partially into a patient's anatomy and then positioning a guide wire operatively extending from a rail of a medical device into a sinus opening of the patient. The method further includes advancing a balloon catheter from an annular lumen of the medical device and along both the rail of the medical device and the guide wire. The method also includes treating the sinus opening via inflation of the balloon catheter. In the method, the annular lumen is between the rail and a grooming sheath of the medical device and the advancing is accomplished via user operation of a balloon catheter movement mechanism of the medical device.
Catheters having low viscosity lubricant
A closed-system urinary catheter with a low viscosity gel lubrication is disclosed. The system has an uncoated catheter, but a hydrophilic coated catheter could be used. The low viscosity lubricating gel within the sachet uniformly coats the catheter when the sachet is ruptured just prior to use. A low viscosity lubrication gel could alternatively be place in the area inside the sheath and external to the catheter. Therefore, the variability that occurs with a hydrophilic catheter or the areas of a non-lubricated catheter with the higher viscosity gel catheters is avoided.
Apparatus and methods for delivery, repositioning, and retrieval of transcatheter prosthetic valves
Apparatus and methods are described herein for use in the delivery and deployment of a prosthetic mitral valve into a heart. In some embodiments, an apparatus includes a catheter assembly, a valve holding tube and a handle assembly. The valve holding tube is releasably couplable to a proximal end portion of the catheter assembly and to a distal end portion of the handle assembly. The handle assembly includes a housing and a delivery rod. The delivery rod is configured to be actuated to move distally relative to the housing to move a prosthetic heart valve disposed within the valve holding tube out of the valve holding tube and distally within a lumen of the elongate sheath of the catheter assembly. The catheter assembly is configured to be actuated to move proximally relative to the housing such that the prosthetic valve is disposed outside of the lumen of the elongate sheath.
Expandable introducer sheath for medical device
An introducer sheath for the insertion of a medical device into a blood vessel having an expandable sheath. The sheath has a length, a thickness, and proximal and distal ends. The expandable sheath has a frame extending longitudinally between the proximal and the distal ends, and having an exterior surface and an interior surface that forms an interior lumen along the length of the frame. The frame is configured to achieve an expanded state and a contracted state, the expanded state forming an expanded cross-section in the lumen for passing a medical device therethrough. The frame has a smooth coating about the exterior surface and protrusions extending into the lumen along the interior surface. The introducer sheath can be introduced into a patient in the contracted state, with the distal end of the introducer sheath prevented from moving in the proximal direction by an abutment against a dilator end surface.
MEDICAL ELONGATED BODY
A medical elongated body that is capable of improving convenience during use by a surgeon, and capable of preventing peeling, from a catheter main body, of a drug portion (a hydrophilic coating) containing metal ions and a drug when disposed on a wound site of a patient. An introducer sheath includes a tubular sheath configured to be percutaneously inserted into a blood vessel, and a hub connected to a proximal portion of the tubular sheath, in which the tubular sheath includes a first region and a second region located on a proximal side relative to the first region, the first region has a first hydrophilic coating having lubricity, the second region includes a groove portion extending from a distal side of the tubular sheath toward a proximal side of the tubular sheath, the groove portion having a second hydrophilic coating containing at least one of metal ions and a drug.
Systems and methods for treating pulmonary hypertension
A system for treating heart disease, such as pulmonary hypertension or right heart failure, including an implantable component and external components for monitoring the implantable component is provided. The implantable component may include a compliant member, e.g., balloon, coupled to a reservoir via a conduit. Preferably, the compliant member is adapted to be implanted in a pulmonary artery and the reservoir is adapted to be implanted subcutaneously. The external components may include a clinical controller component, monitoring software configured to run a clinician's computer, a patient monitoring device, and a mobile application configured to run on a patient's mobile device.
Introducer sheath
A medical device may include an introducer sheath, having a distal and a proximal end and a lumen extending from the distal end to the proximal end. The introducer sheath may also include a tab formed at the distal end and extending distal to the lumen, and a frangible portion extending between the distal end and the proximal end.
Introducer sheath
An introducer sheath is disclosed configured to be percutaneously inserted into a biological lumen and can shorten the time required for hemostasis at a wound site and lessen the physical burden on the patient after withdrawal of the introducer sheath. The introducer sheath includes a catheter body to be percutaneously introduced into a biological lumen, a hub configured to be connected to the proximal side of the catheter body, and a drug part that has a hemostatic agent capable of treating a wound site in biological tissue. The drug part is disposed at the proximal side of an outer surface of the catheter body.
BALLOON CATHETER FOR PROLAPSED NASAL VALVE PROCEDURE
A method is used to insert an implant within a lateral wall of a nose of a patient. The method includes forming an initial incision with a surface of the lateral wall of the nose. A stylet is advanced within the lateral wall of the nose, thereby creating a pocket within the lateral wall of the nose. The stylet is further advanced until an expanding body of the stylet is at least partially housed within the pocket of the lateral wall. The expanding body of the stylet is enlarged to thereby enlarge the pocket within the lateral wall. The implant is placed within the enlarged pocket of the lateral wall.
WIGGLE CATHETER
A wiggle catheter (a dilator) is disclosed to facilitate advancing catheters after puncturing a blood pathway, including without limitation navigation of noncompliant hardware through a diseased lumen. The wiggle catheter includes a proximal section, a distal section, and an intermediate section disposed between the proximal section and the distal section, the intermediate section may include a plurality of angulated kinks along the long axis of the catheter, the angulated kinks having substantially the same diameter at the outer edge of the kinks, said diameter of the outer edge of the kinks being substantially same as the inner diameter of an introducer sheath whereby the wiggle catheter may be positioned inside the introducer sheath with the outer edges of the kinks in close proximity to the inner surface of the introducer sheath. The wiggle catheter may also include a sinusoidal waveform like structure or a helical or spiral structure.