The embodiments described herein relate to a self-positioning, quick-deployment low profile transvenous electrode system for sequentially pacing both the atrium and ventricle of the heart in the “dual chamber” mode, and methods for deploying the same.

The retention device is configured to be coupled to the end outer part of a urinary catheter or feeding catheter of the type having a “T” shaped valve, the retention device comprising a body with: a first portion extending in a longitudinal direction “X” and having an inner recess for receiving and accommodating an end part of a urinary catheter or feeding tube where the first portion is closed above by an upper portion comprising an anti-leakage element of the open end of the catheter or tube connecting the catheter, a second portion extending in a second direction “Y”, transverse to the longitudinal direction “X”, wherein the second portion comprises an inner recess extending along the transverse direction “Y”, and wherein the second portion is open at one of its ends, while at the opposite end it comprises an anti-opening wall, and a fastening element, configured to releasably fasten the retention device to an element external to the user's body.

This allows the user to perform any type of sports activity with the catheter fitted and placed inside the support without any risk of accidental action.

The invention also concerns the assembly formed by this retention device and a catheter.

Ventricular catheters and their methods of use are disclosed. In some embodiments, the disclosed ventricular catheters may reduce, or substantially prevent, obstruction of the catheter by astrocytes or other brain tissue due to adhesion and/or growth within the catheter. For example, in some embodiments, the holes and internal lumen of a ventricular catheter may be constructed such that the wall shear stresses applied within the holes and internal lumen of the catheter are greater than a threshold shear stress to prevent cell adhesion and growth within the catheter.

A detachable cooling apparatus comprises: a distal miming catheter forming a distal lumen that provides liquid as an input and a proximal miming catheter forming a proximal lumen that receives the liquid as an output, where the proximal miming catheter is connected to the distal running catheter. A focal hypothermia-inducing fluidics system comprises a thermal management and flow system (TMFS) that is operable to alter a liquid to a specific temperature and to regulate a flow rate, a closed-circuit flow system with a detachable cooling apparatus, a distal sensor array, a pump for moving the liquid through the TMFS, an inflow port that receives the liquid from the proximal running catheter, a plurality of capillary tubes that cool the liquid, and an outflow port that returns the liquid to the distal miming catheter.

Systems and methods for accessing small arteries for conveying catheters to target vessels such as brain vessels are described. In particular, the invention describes systems enabling a catheter to be introduced directly through a vessel opening without an external sheath wherein a distal tip of the catheter is protected by a protective cover. Methods of introducing catheters into vessels and kits are also described.

Disclosed are embodiments of a method for affecting thrombi formation on an indwelling catheter. The method involves the step of providing an intravenous catheter. The intravenous catheter includes an inner surface and an outer surface, and the intravenous catheter is located within a blood vessel. A light diffusing element is inserted into the intravenous catheter. Light is emitted from the light diffusing element such that the light irradiates the intravenous catheter. The light emitted from the light diffusing element is configured to promote or hinder thrombi formation on the inner surface or outer surface of the intravenous catheter. Also disclosed are an illumination system for affecting thrombi formation on an intravenous catheter as well as an indwelling intravenous catheter system.

A septal cross system is provided for a cerclage procedure for treating dysfunctional heart. The cerclage septal cross system includes a puncture catheter and a capture catheter. The puncture catheter a puncture catheter comprises a first lumen for a guidewire to be inserted thereinto. A coil element is arranged in the distal portion of the puncture catheter. The distal end of the pull-wire is attached to the distal portion of the coil element. The proximal end of the pull-wire is extended to the distal portion of the puncture catheter. The pull-wire is configured to bend inwardly the distal portion of the puncture catheter. A capture catheter comprises a first lumen for a first guidewire to be inserted thereinto and a second lumen for a second guidewire to be inserted thereinto. The distal end of the second wire has a snare wherein the distal portion is deflectable.

A catheter assembly including a multi-luminal catheter, a primary stylet, and a secondary stylet. The primary stylet and the secondary stylet are each inserted into separate lumens extending along the catheter tube. The primary stylet includes a magnetic region to enable magnetic tracking. The secondary stylet is configured to prevent buckling of the magnetic region during insertion. The secondary stylet includes a proximal section having a proximal column strength and a distal section having a distal column strength greater than the proximal column strength. During use, an insertion force exceeding an insertion force limit causes the proximal section to buckle to prevent buckling of the distal section. The primary stylet may also include electrical sensors and/or an optical fiber configured for shape sensing.

A Rapidly Insertable Central Catheter (“RICC”) includes an access section formed of a first material, a catheter body section formed of a second material, and a dilator section disposed therebetween. The first material has a first durometer and the second material has a second, lesser durometer. The dilator section is formed of the first material, the second material, or a third material having a third durometer. The catheter body defines a primary lumen communicating with a primary lumen aperture disposed in a distal tip of the access section, a secondary lumen communicating with a secondary lumen aperture and a tertiary lumen communicating with a tertiary lumen aperture. The secondary lumen aperture and the tertiary lumen aperture can be disposed at an equal longitudinal length from the primary lumen aperture. The RICC can include intricate tip structures formed from different materials and can define a smooth abluminal surface.

A delivery catheter system includes a catheter and an integrated embolic filter that is deployable prior to the delivery of a prosthesis in a patient's vasculature and retrievable after delivery of said prosthesis. The embolic filter is moveable from a collapsed state, in which the embolic filter is retained within the catheter body, to a deployed state in which the embolic filter extends from the catheter body and, in use, into contact with an inner wall of a patient's vasculature.