Boston Scientific Medical Device Limited

A system comprising a generator which is capable of supplying energy for puncturing a tissue and an electrical current of known voltage, wherein the electrical current of known voltage can pass through the tissue without damaging the tissue. The system also includes a puncturing device comprising an elongate member. A distal tip of the elongate member comprises an energy delivery device which is configured for delivering the energy for puncturing and two electrodes which are configured for delivering the electrical current of known voltage from one electrode to the other through a material which is in contact with the distal tip. The system further includes a sensor which is capable of detecting a value of the electrical current between the two electrodes. The generator comprises a generator switch for disabling energy delivery tip based on the value of the electric current detected by the sensor.

A tissue-engagement member having a pair of jaws movable between a closed configuration and an open configuration, an actuator movable to shift the jaws between the closed and open configurations, and a biasing element biasing the jaws into a closed configuration. The biasing element may be provided over a portion of the tissue-engagement member. A cam mechanism may be provided in operative association with at least one of the jaws and/or the actuator. The biasing element may operatively engage at least one of the jaws and/or the actuator to actuate the cam mechanism to return the jaws to a closed configuration from an open configuration. A manipulator having an actuator-engagement element may be provided to engage an actuation element operatively associated with the actuator. The actuator-engagement element may operatively engage the actuation element in a range of orientations.

An elongated medical tubular assembly is configured to improve, at least in part, transmission of a signal from the signal-transmitting device, received, at least in part, within the elongated medical tubular assembly, toward the signal-transceiving device of the medical-imaging system. The elongated medical tubular assembly defines a lumen extending from a distal tip toward a proximal end of the elongated medical tubular assembly; and the lumen is configured to receive, at least in part, the signal-transmitting device in such a way that the lumen, in use, receives, at least in part, the signal-transmitting device at the signal-liberating feature.

A clipping system includes an adapter, a clip and a first extending member. The clip includes first and second jaws which are movable between an insertion configuration and an initial deployed configuration. The jaws are biased toward the initial configuration. The first member is releasably coupled to the clip and movably connected to the adapter. The first member includes a distal end releasably coupled to the first jaw such that longitudinal movement of the first member relative to the adapter moves the clip between the insertion configuration, the initial configuration and a review configuration. The first member is operable to retract the clip proximally over the adapter so that the clip is forced open as the clip is retracted over the adapter. A first releasable link connects the first member to the clip and releases when the first member is subject to a force exceeding a predetermined threshold value.

Biopsy caps and seals, and methods for making and using the same may be provided in conjunction with an endoscope assembly. A seal may include a main body including a circumferential outer wall surrounding a central lumen. The seal may include at least one support wall extending radially from the outer wall towards a center of the lumen, and at least one helical flap extending from the support wall helically downward along an inner surface of the outer wall, where the at least one helical flap defines an opening at the center of the lumen. The seal may alternatively include a plurality of projections extending radially inward from the outer wall towards a center of the lumen, where the plurality of projections are arranged in a series of circumferentially and angularly offset layers.

According to one aspect, a handle assembly for a medical device may comprise a handle body comprising a distal portion and a proximal portion, the proximal portion including a protruding portion that protrudes radially outward relative to a central longitudinal axis of the handle body; and an actuator for controlling a supply of air and a supply of liquid to the medical device. The actuator may comprise a button including a concave top surface and a hole extending through the concave top surface, and the hole may be offset from a center of the concave top surface. The button may be positioned entirely on the protruding portion. The actuator may be configured to: supply air to the medical device when a user covers the hole; and/or supply liquid to the medical device when a user presses the button.

Computer system is configured to receive electrocardiogram signal, from electrocardiographic sensor, configured to indicate cardiac cycle of heart of patient. Computer system is also configured to generate electrocardiogram tracing based on electrocardiogram signal that was received. Computer system is also configured to identify treatment time duration is configured to span a part of electrocardiogram tracing that was generated, and tissue layer is treatable during, at least in part, treatment time duration. This is done in such a way that, during treatment time duration, blood pressure within heart urges tissue layer to impart relatively lower amount of tissue force toward treatment device while treatment device is positioned proximate to tissue layer, and treatment device is activated to treat the tissue layer. The computer system is also configured to provide treatment time duration that was identified.

Novel and unique medical devices and associated methods are disclosed, for a medical device for puncturing tissue at a tissue site. The medical device includes an elongate member having a distal section defining a distal section curved portion and a distal section straight portion. The distal section straight portion is distal to the distal section curved portion. An active tip is located at a distal end of the distal section. The active tip is operable to deliver energy to create a puncture through the tissue. The medical device includes a constant diameter layer. The distal section straight portion includes a minimum diameter portion located proximal to a constant diameter portion, and the constant diameter layer surrounds the minimum diameter portion.

A steerable uneven double lumen cannula includes an elongate tube having proximal and distal ends, first and second lumens of different diameters, and a steering wire lumen. A wire filament may extend through the steering wire lumen. The wire filament may exit and reenter the steering wire lumen through a plurality of openings in the outer surface of the elongate tube. A handle may be coupled to the proximal end and may be configured to apply tension to the wire filament to control steering of the distal end.

Medical devices and related methods are described. The medical device may include a handle having a proximal end that includes a seal. The seal may include a first portion and a second portion. The first portion may define a proximal opening configured to receive a shaft of a medical instrument, at least part of the first portion proximate the proximal opening being a flexible membrane. The second portion may be integral with or coupled to the first portion. The flexible membrane may be movable relative to the second portion to form and maintain a fluid-tight seal with the shaft.