摘要:
Immobilization and/or retrieval of material from a body can be accomplished, in accordance with the invention, with a device that includes a sheath and a basket. The basket is movable relative to the sheath from a retracted position in which the basket is withdrawn within the sheath and an expanded position in which the basket is extended beyond the distal end of the sheath and open. The basket has a first portion and a second portion with two or more legs extending from the first portion to the second portion. The basket further includes an intermediate portion between the first and second portions in which the legs are spirally arranged, substantially parallel, and non-intersecting. The intermediate portion of the basket is displaced radially outward relative to the first and second portions when the basket is in the expanded position. The basket in the expanded position may be used to immobilize and/or capture material within a body.
摘要:
A delivery device adapted to insert and deploy a stent within a body lumen. The delivery device includes a guide member adapted to retain a dilation assembly and a stent within a lumen thereof until the stent is to be deployed into the body lumen. The delivery device is configured to enable simultaneous insertion of the guide member, dilation assembly, stent, and optional guidewire within a body lumen. Following deploying the stent, the delivery device can be removed, while providing the capability of optionally maintaining the guide member or the guidewire to function or act as an exchange wire for additional surgical devices.
摘要:
A controller equipped with a user interface having a separate schedule review mode, including methods of accessing and/or programming such devices, are disclosed. The controller may include a user interface that can be utilized to initiate a scheduling routine having a separate schedule review mode for displaying one or more schedule parameters of the controller without initiating the editing mode. An illustrative method of accessing a schedule on a controller coupled to a user interface may include the steps of initializing a scheduling routine within the controller, initiating a schedule review mode within the controller, displaying one or more schedule parameters for at least one period on the user interface, and exiting the scheduling routine. One or more of the schedule parameters can be modified, if desired, by initiating a separate editing mode within the controller.
摘要:
Methods and systems for monitoring a component of an electrical device and/or a brush of a brush holder assembly are disclosed. One method includes receiving data from a plurality of remote monitoring locations at a central control unit, where the data may be evaluated in order to monitor states of brushes or other components of an electrical device at a plurality of remote electrical facilities. For example, multiple images of a component of an electrical device may be acquired. A comparison of the images, for example, a comparative imaging technique, such as pixel-by-pixel comparison or visual observation, may then be performed in order to evaluate a condition of the brush or other component, such as a threshold and/or anomalous condition of the brush or other component.
摘要:
Disclosed is a constraining mechanism that enhances the strength of a medical device, while also preventing over expansion of the device, during a procedure. The medical device includes a plurality of biased struts to which a constraining mechanism is coupled. The constraining mechanism includes a spine, which couples to one of the plurality of struts, and one or more branches extending from the spine. The branches have a curvature enabling the branches to substantially surround the plurality of struts while at the same time avoiding contact with the wall of the blood vessel of the patient when the medical device is deployed.
摘要:
The present invention relates generally to a device for adding stiffening support to a guidewire so as to enable the guidewire or device to pass through a chronic total occlusion. A method for passing a guidewire through a chronic total occlusion is also disclosed.
摘要:
A carrier tube assembly for packaging a medical catheter is disclosed. The carrier tube assembly includes an elongate tube, a medical catheter, and a plug. At least a distal portion of the elongate shaft of the medical catheter is positioned in the lumen of the elongate tube such that the proximal end of the elongate tube is hermetically sealed around a portion of the hub assembly of the medical catheter. The plug is inserted into the lumen of the elongate tube at the distal end of the elongate tube, hermetically sealing the distal end of the elongate tube. Thus, a hermetically sealed environment is established within the elongate tube. The plug includes a moisture and/or oxygen absorbing agent to absorb moisture and/or oxygen in the hermetically sealed environment.
摘要:
A method of manufacturing a guidewire having a discrete length. The method includes the steps of feeding a first end of a corewire into an extrusion device, gripping the first end of the corewire with a gripping apparatus, and extruding a first extrusion material onto an outer surface of the corewire while the gripping apparatus pulls the corewire through the extrusion device to form an extrusion jacket on the outer surface of the corewire. The corewire has a predetermined length corresponding to a length of the guidewire.
摘要:
A cannula (10) receives surgical instruments (120) for performing a surgical procedure on a body (130). The cannula (10) comprises a tube structure (12) defining a passage (16) through which the surgical instruments (120) are inserted into the body (130). The tube structure (12) has a proximal end (20) and a distal end (62). The tube structure (12) includes an expandable portion (40) for enabling an increase in the cross-sectional area of the passage (16) at the distal end (62). The expandable portion (40) of the tube structure (12), when expanded, has a conical configuration.
摘要:
A touch input device for use with a display that shows a plurality of items. The touch input device is operated by a user to select an item shown on the display. The touch input device includes a sensor having an operation plane for touching by the user with a finger. The sensor generates a sensor signal indicating contact area of the finger with the operation plane. The operation plane is pressed by the finger when the user selects an item from the display. When an increase rate of the finger contact area over a predetermined time period becomes greater than an increase rate threshold, the touch input device determines that the operation plane of the sensor has been pressed by the user to select an item.