Boston Scientific Scimed Patente

A method and system for determining changes between a planning image and a treatment image of a subject is described. The method comprising the steps of: defining one of more clinical volumes on the planning image of a subject and defining a planning envelope volume around the clinical volume for the planning image; acquiring a treatment image from the subject for a location corresponding to the location of the planning image; wherein the treatment image will have the same planning envelope volume as the planning image; determining the location of the one or more clinical volumes on the treatment image relative to the planning envelope volume; determining an encapsulation metric for one or more of the clinical volumes defining the extent of encapsulation of the clinical volume on the treatment image within the planning envelope volume on the treatment image.

An implantable fluid operated device may include a fluid reservoir configured to hold fluid, an inflatable member, and a pump assembly configured to transfer fluid between the fluid reservoir and the inflatable member. The pump assembly may include one or more fluid pumps and one or more valves. The one or more valves may be normally open valves, normally closed valves, or a combination thereof. One or more sensing devices may be positioned within fluid passageways of the fluid operated device. The electronic control system may control operation of the pump assembly based on fluid pressure measurements and/or fluid flow measurements received from the one or more sensing devices. Variable voltage can be applied to the control of the pump and/or the valves based on varying atmospheric conditions and the fluid pressure and/or flow measurements processed by the electronic control system.

According to an aspect, an implant includes an inflatable member and a pump assembly configured to facilitate a transfer of a fluid from the reservoir to the inflatable member. The inflatable member has a sidewall that defines a lumen. The sidewall has an outer surface and an inner surface disposed opposite the outer surface. The inner surface has a series of undulations.

A medical device for occluding the left atrial appendage is disclosed. The medical device for occluding the left atrial appendage includes an expandable member having a first end region, a second end region and an inner cavity. The medical device also includes a plurality of spine members coupled to the expandable member, the plurality of spine members spaced circumferentially around an outer surface of the expandable member. Additionally, the medical device includes a valve member extending at least partially into the inner cavity, wherein the plurality of spine members are configured to position the medical device within an opening of the left atrial appendage and wherein the expandable member is configured to expand and seal the opening of the left atrial appendage.

The present invention discloses a method for aligning a light source within a catheter system for treating a vascular lesion within or adjacent to a vessel wall within a body of a patient, the catheter system including the single light source that generates light energy, the method comprising the steps of: initiating control of a plurality of hardware of the catheter system, the plurality of hardware including at least one of (i) a light guide that is configured to selectively receive light energy from the light source, (ii) a camera that captures an alignment of the light source within the light guide, (iii) a mover that is configured to selectively adjust a positioning of the light source within the light guide; performing a coarse alignment of the positioning of the light source within the light guide; checking at least one of (i) the alignment of the light source within the light guide, and (ii) a light energy level of the light source; and performing a fine alignment of the positioning of the light source within the light guide.

The present invention discloses a method of optical alignment in a catheter system, the catheter system including a light source, a first light guide, a second light guide and an optical alignment system, the method comprising the steps of: generating light energy using the light source; directing the light energy toward at least one of a guide proximal end of the first light guide and a guide proximal end of the second light guide; determining an alignment of the light energy relative to at least one of the guide proximal ends of the light guides with the optical alignment system; and adjusting a positioning of the light energy relative to the at least one of the guide proximal ends of the light guides with the optical alignment system based on the alignment of the light energy.

Systems, devices, and methods for electroporation ablation therapy are disclosed, with the system including a pulse waveform signal generator for medical ablation therapy, and an endocardial ablation device includes an inflatable member and at least one electrode for focal ablation pulse delivery to tissue. The signal generator may deliver voltage pulses to the ablation device in the form of a pulse waveform. The system may include a cardiac stimulator for generation of pacing signals and for sequenced delivery of pulse waveforms in synchrony with the pacing signal.

A catheter system (100) for treating a treatment site (106) within or adjacent to a vessel wall of a blood vessel (108) includes a catheter shaft (110) that extends into the blood vessel (108), the catheter shaft (110) including a shaft recess (1470, 1570, 1670, 1770); an energy guide (1422A, 1522A, 1622A, 1722A) that is configured to receive energy from an energy source (124) and guide the energy into the blood vessel (108); and a plasma generator (1433, 1533, 1633, 1733) that is positioned at a guide distal end (1422D, 1522D, 1622D, 1722D) of the energy guide (1422A, 1522A, 1622A, 1722A), the plasma generator being configured to generate the plasma in a fluid (1432, 1532, 1632, 1732) within the blood vessel (108); and wherein the energy guide is positioned such that the plasma generator is positioned substantially within the shaft recess (1470, 1570, 1670, 1770).

The present invention relates to a device for treating a tissue, comprising a capsule extending longitudinally from a proximal end to a distal end and including a channel extending therethrough, the capsule releasably coupled to a proximal portion of the device, clip arms, proximal ends of which are slidably received within the channel of the capsule so that the clip arms are movable between an open configuration, in which distal ends of the clip arms extend distally past the distal end of the capsule to be separated from one another, and a closed configuration, in which the clip arms are restrained via an interior surface of the capsule so that distal ends of the clips arms are drawn toward one another, and a conductive coil connected to a power source at a proximal end of the device, wherein the conductive coil extends about an exterior surface of the capsule or about an interior surface of the capsule, or wherein the conductive coil is embedded within a wall of the capsule, wherein the conductive coil creates an electrical field which passes electrical energy to the clip arms to cauterize and/or coagulate tissue.

The present invention refers to an intravascular imaging catheter, comprising: an elongate sheath having a distal tip region and a body region; wherein the distal tip region includes a first port, a second port, and a guidewire lumen extending between the first port and the second port; a support member extending from a distal end of the distal tip region, along the distal tip region, and along at least a portion of the body region; wherein the support member is radially and/or circumferentially aligned with the guidewire lumen; and an imaging core slidably disposed within the elongate sheath.

A minimally invasive endoluminal annuloplasty system and method of use includes a guide catheter configured to direct a working catheter to a treatment site within a cardiac cavity. The guide catheter may be translatably disposed within the working catheter which may be translatably disposed within an introducer sheath that extends into the cardiac cavity. The guide catheter may be sized to reduce noise, and/or may be formed from a material that assists with visualization. In one embodiment the guide catheter comprises a distal guidewire anchor. Visualization may be used to embed the distal guidewire anchor into tissue at the target site.

Provided is an agent delivery device for delivering an agent to a target tissue via a pressurized fluid, the agent delivery device comprising: an enclosure configured to store the agent, receive the pressurized fluid, and release a combination of the pressurized fluid and the agent; and a valve configured to be coupled to a lumen of a catheter, wherein the valve has a first configuration preventing flow of the combination of the pressurized fluid and the agent through the lumen and a second configuration permitting flow of the combination of the pressurized fluid and the agent through the lumen.

The present invention discloses a clipping system for treating tissue, comprising: an endoscope including a shaft extending longitudinally from a proximal end to a distal end; an adapter including a proximal portion mounted over the distal end of the shaft of the endoscope and a distal portion extending distally from the proximal portion, the distal portion tapered toward a distal end thereof; a clip configured to be mounted over the distal portion of the adapter, the clip including first and second jaws, a first end of the first jaw being connected to a first end of the second jaw via a first hinge and a second end of the first jaw being connected to a second end of the second jaw via a second hinge so that the first and second jaws are movable between an insertion configuration, in which the first and second jaws are separated from one another to receive tissue therebetween, and an initial deployed configuration in which the first and second jaws are drawn toward one another to grip tissue therebetween, at least one of the first and second hinges being biased to draw the clip toward the initial deployed configuration; first and second extending members releasably coupled to the clip at distal ends thereof and movably connected to the adapter so that a longitudinal movement of the first and second extending members relative to the adapter moves the clip between the insertion configuration, the initial deployed configuration, in which the first and second jaws are moved toward one another immediately distal of the adapter, a review configuration, in which the clip is separated from a distal end of the endoscope via a distance selected so that the clip is visible via the endoscope, and a final deployed configuration, in which the clip is released from the extending member with the first and second jaws closed over tissue received therebetween; and a control element connected to proximal ends of the first and second extending members to extend proximally therefrom.

The present invention discloses a flow control assembly (125) for use in a retrograde flow system (100), the flow control assembly (125) comprising a housing (1300) configured to be separated into separate housing (1300) components, wherein the housing (1300) includes a first connector configured to be coupled to an arterial access sheath (110, 605), wherein the housing (1300) includes a second connector configured to be coupled to a venous return sheath (115), a flow pathway defined in-line within the housing (1300) that extends between the first connector and the second connector, an actuator assembly with at least one actuator (1330, 1340) coupled to the housing (1300), wherein the actuator assembly is configured to switch flow along the flow pathway between a first flow state and a second flow state; and wherein a portion of the actuator assembly engages the flow pathway when flow along the flow pathway is in the second flow state.

The present invention relates to an imaging medical device, comprising an elongate shaft having a distal end region, an imaging assembly disposed within the elongate shaft, the imaging assembly including a drive cable, a housing coupled to the drive cable, and a transducer coupled to the drive cable and/or the housing, and a bubble-reducing member designed so that when the imaging medical device is flushed, the bubble-reducing member disrupts bubbles travelling toward the housing and transducer.

A tissue retractor, comprising a sheet of shape memory material having a perimeter, and a plurality of anchors disposed about the perimeter configured to engage tissue, wherein the sheet is movable between a rolled configuration and a substantially planar configuration.

An elevator for use with a medical device, the elevator includes an elevator body having a surface for interacting with a medical instrument inserted through a working channel of the medical device; a pivot portion proximal of the elevator body, wherein the pivot portion includes a tapered portion that tapers proximally such that a proximalmost end of the pivot portion is thinner than more distal portions of the pivot portion; and a control arm, wherein the control arm includes one or more hollow portions.

The present invention discloses a medical imaging system, comprising: an imaging device configured to generate image data comprising pixel data including a plurality of individual pixel values; and a controller configured to process the image data to generate enhanced image data for display, wherein the controller is configured to: calculate, for each individual pixel value, a magnitude of the pixel value; and apply a gain function to the individual pixel value, wherein the gain function is a function of the calculated magnitude for that pixel value.

A system for delivering a functional and/or therapeutic agent may comprise a stent comprising a lumen extending longitudinally therethrough being configured to shift between a first configuration and a second configuration and a functional and/or therapeutic agent. When in the second configuration, the stent may define a first retention member, a second retention member, and a saddle region extending therebetween. When the stent is positioned within a body lumen, the first retention member, the second retention member, the saddle region and a portion of a tissue wall of the body lumen may define a volume which is configured to retain the functional and/or therapeutic agent therein.

A medical system may include: a medical device including an elongate shaft configured to access a treatment site within a patient and a handle coupled to a proximal end of the elongate shaft; a laser device including an elongate tubular member configured for insertion through a working lumen of the medical device, the elongate tubular member including a cooling channel and a laser fiber extending distally within the cooling channel; and a fluid management system including an inflow pump configured to pump fluid from a first fluid supply source through the elongate shaft to the treatment site, a cooling pump configured to pump fluid from a second fluid supply source through the cooling channel, and a controller configured to control the inflow pump and the cooling pump.

The present invention discloses a medical device comprising an elongated member including a location device at a distal end of the elongated member and mounted on an outer surface of the elongated member, the location device including at least one light emitting diode, LED, the at least one LED including a first LED emitting green light, and a second LED emitting red light. The location device further includes a sidewall, a proximal end wall at a proximal end of the sidewall, and a distal end wall at a distal end of the sidewall; the sidewall, the proximal end wall, and the distal end wall define a cavity; and at least one of the LEDs is disposed within the cavity.

The present invention relates to an apparatus, comprising an elongate member comprising an outer surface, a proximal end, a distal end, and at least one articulation joint disposed between the proximal end and the distal end, a lumen having a first opening proximate the proximal end of the elongate member and a second opening proximate the distal end of the elongate member, a first transducer comprising a phased array sensor disposed proximate the distal end of the elongate member, and a second transducer comprising a position tracking sensor.

A surgical laser system comprises an array of laser diodes configured to output laser energy. The surgical laser system further comprises a fiber bundle which comprises a plurality of optical fibers and has a proximal end configured to receive the laser energy from the array of laser diodes. Further, the surgical laser system comprises a delivery fiber which has a proximal end configured to receive laser energy from a distal end of the fiber bundle. The surgical laser system further comprises a tubular sheath defining a lumen in which at least a portion of the delivery fiber is disposed, wherein the tubular sheath is insertable into a working channel of an endoscope or cystoscope and includes a distal end configured to deliver laser energy discharged from the delivery fiber into a body of a patient.

A system for use with a flexible elongate tubular member, the system comprises a first guide mounted on an outer surface of the flexible elongate tubular member. The flexible elongate tubular member has a working channel extending therethrough. The system further comprises a first filament extendable through the first guide and along the outer surface of the flexible elongate tubular member, and wherein a distal end of the first filament is configured to be attached to a distal end of a first endoscopic instrument disposable within the working channel.

An assembly comprising: an axle, wherein rotation of the axle causes deflection of a portion of a medical device; a collet having an opening, wherein the axle extends through the longitudinal opening; and an actuator configured to interact with the collet; wherein a first configuration of the collet permits rotation of the axle relative to the collet and a second configuration of the collet inhibits rotation of the axle relative to the collet, wherein the actuator includes a protrusion, the collet includes a tab, and the protrusion interacts with the tab to transition the collet from the first configuration to the second configuration, wherein a notch defining an edge of the tab extends along an entirety of the tab from an axially proximate portion to an axially distal portion of the tab.

Disclosed is a medical device for administering an agent, the device comprising a housing defining an enclosure configured to be loaded with a therapeutic agent, a force applicator configured to crush or separate the therapeutic agent into smaller particles, and a lumen configured for receiving a stream of pressurized fluid and for administering said particles to a targeted site, wherein the agent is in a first form prior to it being crushed or separated into the smaller particles and being delivered to the lumen, preferably wherein the smaller particles of the agent form a powder of loose particles.

The present invention discloses a stent delivery system, comprising: an inner member having a stent receiving region configured to have a stent disposed thereon; a deployment sheath axially slidable relative to the inner member, the deployment sheath having a proximal end region; wherein the deployment sheath is rotatable relative to the inner member; a handle coupled to the deployment sheath; a rack track formed in the handle; a flexible rack coupled to the proximal end region of the deployment sheath; wherein the rack track is configured to allow the flexible rack to be moved therealong while being contained within the handle.

An occlusive implant system may include a catheter having a lumen extending therethrough, a core wire slidably and rotatably disposed within the lumen, the core wire having a threaded member disposed at a distal end, and a medical implant having an expandable frame, an occlusive element disposed on the frame, and a threaded insert coupled to a proximal portion of the frame, wherein the threaded member is removably coupled to the threaded insert.

The present invention relates to a flexible medical device configured for insertion into a natural orifice of a body, comprising a channel, a cartridge holder disposed at a distal end of the flexible medical device, a fastener cartridge coupled to the cartridge holder and configured to deploy at least one fastener from the fastener cartridge, the fastener cartridge being configured to be uncoupled from the cartridge holder while the flexible medical device, the cartridge holder, and the fastener cartridge are in the body, and the fastener cartridge being removable from the body by proximal movement through the channel of the flexible medical device.

An occlusive implant, comprising an expandable framework configured to shift between a collapsed configuration and an expanded configuration; an occlusive member disposed along at least a portion of the expandable framework; a first collar attached to the expandable framework; a sensor housing coupled to the first collar, the sensor housing having a first end and a second end opposite the first end; a sensor disposed along the second end of the sensor housing.

A system (100) for occluding a left atrial appendage (50), comprising:a delivery device including an outer sheath (110) and an inner elongate member (130) slidably disposed within a lumen (120) of the outer sheath; an implant (200) configured to occlude the left atrial appendage, the implant comprising: an expandable framework (210) configured to shift between a collapsed configuration when disposed within the outer sheath (110) and an expanded configuration when disposed outside of the outer sheath (110), wherein the expandable framework (210) includes an attachment point (240) configured to secure the expandable framework (210) to the delivery device; and an occlusive element (290) disposed on the expandable framework (210), wherein the occlusive element (290) covers the attachment point (240).

An enclosure system for enclosing a plurality of types of fluid container comprises a cap and at least one insert. The cap comprises internal cap threads arranged on an internal surface. The insert comprises external insert threads and internal port threads. The external insert threads are configured to engage the internal cap threads to hold the insert within cap. The internal port threads are configured to receive threads of a port of one of the plurality of types of fluid containers.

A fluid management system includes a pump configured to pump fluid through the system at a fluid flow rate. The system includes a processor including a user interface, the user interface allowing a user to input a set of system operating parameters, the processor being configured to control the pump to maintain a target fluid flow rate based on the set of system operating parameters. The system further includes a scope device coupled to the pump to deliver fluid to a target surgical site, the scope device including an elongated shaft extending from a distal end thereof, the elongated shaft including at least one sensor, the sensor transmitting sensor data relating to target surgical site to the processor. The processor automatically signals to the pump to adjust the fluid flow rate based on the sensor data.

A delivery system for delivering a medical agent is provided. The system comprises a medical device including a handle, a catheter, and a channel including a proximal opening; and a delivery device fluidly coupled to the catheter, the delivery device including a fluid container configured to contain a fluid and an enclosure configured to store the medical agent. The medical device is configured so that, when a distal end of the catheter is positioned at a target site, the medical device can deliver the agent and the fluid received from the delivery device towards the target site via the catheter.

Computer systems and computer-implemented analysis methods may be used for assistance in planning and/or performing a medical procedure, such as percutaneous nephrolithotomy or percutaneous nephrolithotripsy. The method may include receiving one or more radiographic images of an anatomical structure of a patient, generating a display of the radiographic image(s), generating at least one request for user input to identify features of the anatomical structure, receiving user input identifying the features of the anatomical structure, identifying at least one access plan based on the received user input, and generating a display of the identified access plan(s) associated with the radiographic image(s). The method may include generating a patient template that indicates an insertion site according to the identified access plan(s).

The present invention relates to a medical assembly, comprising a first imaging device (10") with a first handle (15") and a first shaft (154) extending distally from the first handle (15"); and a second imaging device (20") with a second handle (25") and a second shaft (254) extending distally from the second handle (25"). The first imaging device (10") further comprises a first imager at a distal end of the first shaft (154), and a first cable (370') extending from the first handle (15") for connection to an imaging unit (31). The second imaging device (20") further comprises a second imager at a distal end of the second shaft (254). Furthermore, the first imaging device (10") includes a second cable (500) having a first end in electrical communication with the first cable (370'). A connection between the first imaging device (10") and the second imaging device (15") device is formed via the second cable (500).

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