Various disclosed embodiments include illustrative apparatuses, systems, and methods for injecting medicant into target tissue. In an illustrative embodiment, an illustrative apparatus includes a distal end, a proximal end configured to engage a delivery catheter, and a plurality of flexible bands that extend from the distal end to the proximal end. The flexible bands exhibit a delivery configuration and a deployed expanded configuration. When the plurality of flexible bands are in the deployed expanded configuration a cavity is formed and a medicant receivable via the delivery catheter is disbursable into the cavity.

A medical elongated body and a medical elongated body set are constructed in a way that expedites medical instrument insertion into a tubular body lumen via a valve body. The medical elongated body includes a tubular body insertable into a body lumen, a hub having an internal space communicating with a lumen of the tubular body and disposed in a proximal portion of the tubular body, a valve body disposed in the internal space and having an insertion portion, and a cap member that fixes the valve body in the internal space by being attached to the valve body and has a proximal opening portion to communicate with the internal space via the insertion portion. The cap member has a marker portion that guides a medical instrument inserted into the tubular body to the valve body. The marker portion has a color distinguishable from a periphery of the marker portion.

Guide extension catheters and related methods are disclosed. A guide extension catheter can comprise, among other things, an elongate tube member and a push member. The push member can be operably coupled to the tube member at an eccentric coupling position and can extend proximally therefrom for slidably positioning the elongate tube member over and partially beyond a distal end of the guide catheter. The inner diameter of the elongate tube member may be adjustable, such that it constricts when not bound along its inner surface by the guide catheter. The elongate tube member can, for example, include a longitudinal slit configured to expand and contract to accommodate insertion and removal of the guide catheter, respectively.

A device for guiding and supporting a stent delivery catheter and other catheters is disclosed. The device may comprise a tubular guiding member and an elongated positioning member extending in a proximal direction beyond the tubular guiding member for advancing and retracting the tubular guiding member in distal and proximal directions. A distal portion of the elongate positioning member may be coupled to the proximal portion of the tubular guide. In embodiments, the device includes a ribbon having a distal portion and a proximal portion. In embodiments, the distal portion of the ribbon extends distally into the tubular guiding member and the proximal portion of the ribbon overlays an inner surface of the elongate positioning member. Methods for making medical devices and portions of medical devices (e.g., intravascular catheters, catheter shafts, and tubular guiding members) are also provided. Example methods may include providing a first ribbon comprising one or more thermoplastic materials and a piece of shrink tubing defining a shrink tube lumen and forming a first assembly by positioning the first ribbon inside the shrink tube lumen and urging the first ribbon to assume a tubular shape in which the first ribbon defines a ribbon lumen. A second assembly may be formed by loading an inner tubular member over a mandrel and forming or placing a support structure over an outer surface of the inner tubular member. A third assembly may be formed by inserting the second assembly into the ribbon lumen defined by the first ribbon of the first assembly. The third assembly may be heated to a process temperature.

A medical anchor device (1) for securing a medical article to a subject comprising an upper medical article attachment portion (2) and a lower insertion portion (3) for securing the medical anchor device (1) to the subject wherein the insertion portion (3) comprises a spiral anchor (5) so that the medical anchor device (1) is securable to and detachable from the subject by rotating the medical anchor device (1) in a clockwise or an anti-clockwise manner as required by the direction of the spiral anchor (5).

The present disclosure provides a detachable surgery drainage tube capable of being sutured and fixed, relates to a technical field of surgery drainage tubes, including a tube body, a suture line, and a first limiting component. The tube body is hollow. The suture line has a length, and is configured to act on a part to be drained. The first limiting component is an annular structure, and a structure of the first limiting component is easy to be cut by scissors. The first limiting component is disposed in the tube body, and two ends of the first limiting component are fixed at two ends of the tube body. A fixing component is disposed on the tube body with respect to the first limiting component, a fixing groove is disposed on the fixing component, the fixing groove is perforated, and the first fixing component penetrates through the fixing groove.

A medical dressing is provided. The medical dressing includes a patch configured for adhering to a skin surface of a patient, the patch comprising a first ring formed unitarily of an elastic material, the first ring having an orifice configured to correspond with an opening in the skin surface when the patch is adhered to the skin surface, the first ring being configured to elastically adapt in size to enable longitudinal movement of a procedural device therethrough while maintaining contact with the procedural device around a periphery of the procedural device, and a sleeve in sealing connection with the first ring at a proximal portion of the sleeve, the sleeve being configured to surround the procedural device over an external length of the procedural device. The sleeve includes a second ring at a distal portion, the second ring comprising a semi-elastic material configured to grip the procedural device to seal about the periphery of the procedural device and to maintain a position along the external length of the procedural device.

An implantable renal replacement therapy device may include: a first catheter configured to be inserted into a blood vessel in a subject's body; a pump in fluid communication with the first catheter, the pump is configured to pump subject's blood from the blood vessel; a filter in fluid communication with the pump, the filter is configured to: receive the subject's blood from the pump, and filter the received blood to provide a filtered blood and a filtrate liquid, wherein the filter is in fluid communication with the first catheter to cause an outflow of the filtered blood from the filter to the blood vessel; and a second catheter in fluid communication with the filter and configured to be inserted into an urinary bladder in the subject's body to cause an outflow of the filtrate liquid from the filter to the urinary bladder.

A vacuum aspiration system may be used to treat thromboembolic disease, such as deep vein thrombosis or pulmonary embolism. The system includes a housing, and a fluid flow path extending through the housing. A first catheter is in fluid communication with the flow path, and a connector is configured to place a source of aspiration in communication with the flow path. A clot container is carried by the housing. A hemostasis valve is provided in the housing, and configured to receive a second catheter and direct the second catheter through the first catheter.

An aspiration system exhibits an accelerated drop in negative pressure at the distal end of an aspiration catheter from the time of opening a valve. The system includes an aspiration pump in communication with a first chamber, and an aspiration catheter configured for placement into fluid communication with the first chamber by way of an elongate aspiration tube. A second chamber is provided between the aspiration tube and the catheter, and a valve is provided between the second chamber and the aspiration catheter. Upon opening of the valve with negative pressure at equilibrium in the first and second chambers, resistance to fluid flow between the second chamber and the distal end of the catheter is less than the resistance to fluid flow between the second chamber and the first chamber, causing a rapid aspiration into the second chamber.