Provided herein as a guidewire controller cassette for positioning a guidewire within a patient body, including a housing having an interior space; a translational module received within the interior space and having an entry side, an opposed exit side and a lateral wall being disposed therebetween, the translational module comprising a first guidewire path extending between the entry side and the exit side and configured to move the guidewire translationally along the first guidewire path; and a rotational module received within the interior space and mounted at the lateral wall, the rotational module comprising an opening for receiving the proximal end of the guidewire, a rotating axis allowing the proximal end of the guidewire being rotated thereabout, and a second guidewire path which is a loop path extending out from the opening to the entry side.

A method for sealing and flushing a delivery member includes sealing one or more lumens and flushing air from the one or more lumens. An interventional device delivery system includes a handle assembly and a delivery member. The handle assembly includes a catheter holder with a passageway therethrough. A flush block is associated with the catheter holder and has a flush port and a flush chamber. The delivery member is associated with the handle assembly and includes a plurality of catheters. At least one of the catheters has a proximal end disposed within the passageway in the catheter holder and is in fluid communication with the flush chamber.

The present invention discloses a steerable guidewire and a method for manufacturing the same, and a steerable catheter and a method for manufacturing the same. According to an aspect of the present invention, a steerable guidewire, which is inserted into a catheter and guides the catheter to a desired blood vessel, may include: a steerable tip part that can be bent in at least two stages due to a stimulus from the outside and that is steered in a predetermined direction; and a non-steerable tip part that is not steerable. The steerable tip part may include: a first steerable tip part having a first length and bent in a first angle with respect to the non-steerable tip part; and a second steerable tip part having one end connected to the first steerable tip part, having a second length, and bent and steered into a second angle with respect to the non-steerable tip part. The first steerable tip part may be positioned farther from the non-steerable tip part than the second steerable tip part. The first length of the first steerable tip part may be smaller than a sum of lengths of steerable tip parts other than the first steerable tip part, and the first angle may be steered so as to be larger than the second angle.

The present disclosure provides a guide wire system comprising (a) a guide wire having a distal end and a proximal end, wherein the guide wire comprises a superelastic material, (b) a first connector coupled to the proximal end of the guide wire, (c) a second connector coupled to the guide wire between the distal end and the proximal end, (d) an electromagnetic sensor coupled to the distal end of the guide wire, and (e) a polymeric tube surrounding the guide wire and at least a portion of the electromagnetic sensor.

A cannulator (100) can include a compound needle (104) and a compound cannula (102). The compound needle can include a needle (110), a dilator (108), and a needle hub (106). The dilator can be disposed over the needle with at least a tip of the needle extending beyond a distal end of the dilator. The needle hub can be around a proximal-end portion of the dilator. The compound cannula can include a cannula (140) and a cannula hub (142) around a proximal- end portion of the cannula. The cannulator can have a mated state of the compound needle and the compound cannula for at least cannulation with the cannulator. The mated state of the cannulator can include the dilator disposed in the cannula with a proximal-end portion of the cannula hub coupled to a distal-end portion of the needle hub.

The application describes embodiments including, e.g., a measurement device comprising: a casing, a first magnet arranged within the casing such that it is rotatable out of an equilibrium orientation responsive to an external magnetic torque acting on the first magnet, a second magnet to provide a restoring torque to force the first magnet back into the equilibrium orientation responsive to an external magnetic torque rotating the first magnet out of the equilibrium orientation, allowing for a rotational oscillation of the first magnet, which is excited by the external magnetic torque, with a resonant frequency, and a temperature sensitive magnetic material to modify the resonant frequency.

The disclosure provides insertion tools and articles that facilitate entry of a medical device, such as a balloon catheter, into the body. In embodiments the insertion tools have an elongate hollow body (50) that is able to protect a portion of a medical device, such as a balloon of a balloon catheter, during an insertion procedure. In one embodiment the insertion tool has an elongate hollow body (131), a tapered distal end (135), and a locking mechanism (133) at the proximal end which can secure a portion of a balloon catheter. An opening at the distal end can allow passage of the balloon in a folded uninflated state.

Torque devices for navigating a guidewire through a body lumen are disclosed. The devices have a variable speed transmission design, including at least a first transmission region along a first position of the device, and a second transmission region along a second position of the device. The first and second transmission regions have different diameters, thereby allowing rotational control of the guidewire between at least two different stroke angles.

A guidewire retention assembly is disclosed. The assembly may include a body member extending between a first end and a second end and defining a retention lumen, a connector defining a connector lumen, a vent, and a continuous outside surface, the vent comprising an opening extending radially from the connector lumen, and the connector releasably coupleable to the first end of the body member and the second end of the body member, such that the connector releasably couples the first end of the body member to the second end of the body member.

A scalpel guide configured to be coupled with a scalpel blade. The scalpel guide engages a guidewire during use to constrain lateral displacement of the scalpel blade with respect to the guidewire. The scalpel guide includes laterally extending walls between which the guidewire is placed during use. The guide may be attached to the scalpel blade or formed integral to the scalpel blade.