20445results about "Diagnostics" patented technology

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

A holographic augmented reality ultrasound needle guide system and method includes an augmented reality display such as a headset wearable by a user. The augmented reality display is configured to depict a virtual ultrasound image. The augmented reality display is further configured to allow a user to select a desired reference point on the virtual ultrasound image. The system is configured to depict a holographic needle guide based on the selection of the desired reference point. The system is also configured to adjust a trajectory of the holographic needle guide to avoid intersecting undesired anatomical structures. The augmented reality display is further configured to stamp the holographic needle guide into a selectively locked trajectory and position.

The teachings generally provide for a hand-held medical robotic system for use with a surgical tool, the system comprising an instrument comprising a hand-held portion, a tool support coupled to the hand-held portion, and an actuator assembly operatively interconnecting to move the tool support in a plurality of degrees of freedom to place the surgical tool and a localizer. The system additionally comprises a control system configured to determine a state of the surgical tool and determine a position and / or orientation of a reference coordinate system relative to a known coordinate system, activate a guided mode based on a first relationship criteria between the state of the surgical tool and the reference coordinate system, and deactivate the guided mode based on a second relationship criteria between the state of the surgical tool and the reference coordinate system, wherein the first relationship criteria and the second relationship criteria are different.

Methods of generating three-dimensional (3D) views of a scene, such as a surgical scene, and associated systems and devices are disclosed herein. In some embodiments, a representative method includes moving a sensor array about a target volume and capturing RGB image data and depth data of the target volume with multiple cameras and a depth sensor of the sensor array, respectively. Poses of the RBG cameras and the depth sensor can be determined at each position. The captured RGB image data and the RGB camera poses can be used to train a radiance volume of a neural radiance field (NeRF) algorithm, and the depth data can be used to constrain the training of the NeRF algorithm. The NeRF algorithm can render a 3D image of the target volume based on a specified observer pose.

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. The array is selectively transformable between a delivery or low-profile state (e.g., a generally straight shape) and a deployed state (e.g., a radially expanded, generally helical shape). The multi-electrode array is sized and shaped so that the electrodes or energy delivery elements contact an interior wall of the renal blood vessel when the array is in the deployed (e.g., helical) state. The electrodes or energy delivery elements are configured for direct and / or indirect application of thermal and / or electrical energy to heat or otherwise electrically modulate neural fibers that contribute to renal function or of vascular structures that feed or perfuse the neural fibers.

An angled intraosseous access system including a guide block and / or a guide plate is disclosed. The system includes a driver having a body, and including a needle assembly rotatably coupled thereto, the needle assembly defining a needle axis. One of the guide block or the guide plate is configured to engage a skin surface and align the needle assembly axis at a predetermined angle relative to the skin surface to access the medullary cavity at the predetermined angle. Advantageously, the angled needle of the intraosseous access system can mitigate pain during infusion and mitigate backwalling.

Catheter devices for treating occlusions in body lumen are described herein. The catheter devices may include a tubular body having a distal end, an distal portion elastically connected to the distal end of the tubular body, an impactor connected to the distal portion and separated by a space from the distal end of the tubular body, a distal shock wave emitter located adjacent to the space and connected to a power source, and an enclosure at least partially surrounding each of the distal end of the tubular body, the elastic distal portion, the impactor, and the distal shock wave emitter. The impactor may be configured to move in response to shock waves generated from the distal shock wave emitter, such that a length of the space in the proximal-distal direction increases by between 0.05 mm and 0.6 mm.

Examples of a self-supported device for guiding motions of a target joint of a target body are disclosed. The device comprises a motion generator, a motion transfer system, a target body interfacing system, a load bearing system and a controller. The load bearing system comprises a plate connected to the motion transfer system and a network of joints and links configured to constrain the plate to rotate in three dimensions about a center of rotation of the load bearing system. A position of the center of rotation of the load bearing system being adjustable by adjusting a connection point between the links. The plate of the load bearing system is connected to an adjustable target body interfacing system that is configured to be mounted to the target body. The center of rotation of the load bearing system coincides (or nearly coincides) with a center of rotation of the target joint of the target body.

A robotic surgical system includes one or more robotic actuators configured to interact with biological tissue during a surgical procedure. A plurality of sensors include at least one of fiber Bragg grating sensors, piezoelectric strain sensors, or magnetostrictive sensors to capture real-time mechanical, elasticity, or deformation data from biological tissues. deep learning engine trained on a dataset comprising tissue mechanical responses across multiple tissue types, pathological states, and patient demographics. Pre-contact predictive adjustment profiles are generated for anticipated tissue interactions using preoperative imaging data registered to intraoperative coordinates. Intraoperative deviations are detected from predicted mechanical behavior and autonomously recalibrate actuator forces. Upcoming surgical maneuvers are anticipated based on prior task sequences and adjust actuator stiffness or damping properties in preparation for anticipated contact. An emergency override of actuator forces is provided via an anomaly detection module when real-time sensor data deviates beyond a threshold from the predicted safe mechanical response range. A feedback loop iteratively refines the deep learning engine during the procedure using supervised learning updates, anomaly detection, and reinforcement learning strategies. The reinforcement learning model is optionally shared across procedures to optimize distributed actuator force patterns for minimizing localized and cumulative tissue stress.

A method for sensing tissue data and managing processing power is disclosed.

A system comprises an EMD and coupled to a robotic drive. The EMD includes an external member defining a lumen and an internal member disposed in the lumen and coupled to a distal portion of the external member, and a linearly and rotationally-actuatable element coupled to the external member. The robotic drive includes a plurality of device modules, each of the plurality of device modules being independently linearly movable by the robotic drive, a first cassette coupled to a first one of the plurality of device modules and to the linearly and rotationally-actuatable element of the external member, and a second cassette coupled to a second one of the plurality of device modules and to the internal member.

The present disclosure provides a surgical instrument, which comprises a lockout assembly that can be unlocked by a surgical staple cartridge, wherein the lockout assembly prevents a pair of closure plates and a firing bar of the surgical instrument from advancing distally when in a locked position, and allows the pair of closure plates and the firing bar to advance distally when in an unlocked position.

The invention relates to a device for use in the transcatheter treatment of mitral valve regurgitation, specifically a coaptation assistance element for implantation across the valve; a system including the coaptation assistance element and anchors for implantation; a system including the coaptation assistance element and delivery catheter; and a method for transcatheter implantation of a coaptation element across a heart valve.

Methods and devices for consistently and accurately controlling the depth of the graft tunnel. A sheath is inserted into the bone until a stop member on the sheath contacts the bone. A cutting member is then deployed to drill a larger bore in the tunnel until making contact with the distal end of the sheath. The cutting member may be drawn retrograde within the tunnel, or driven antegrade from an opening opposite the opening in which the sheath resides. The drill and the sheath can then be removed, leaving the tunnel that includes a tunnel portion sized to fit a graft so that the graft fits tightly within the tunnel portion and is flush with the opening of the tunnel.

A surgical staple cartridge includes installation poka-yoke features. The surgical staple cartridge is configured to be installed between a pair of closure plates of a surgical instrument. The closure plates are configured to push the surgical staple cartridge towards a staple anvil portion of the surgical instrument to clamp tissue between the surgical staple cartridge and the staple anvil portion. The surgical staple cartridge includes two opposite side walls extending in a longitudinal direction parallel to an installation direction of the surgical staple cartridge. A protrusion and / or a slot are provided on an outer surface of at least one of the side walls. The protrusion as well as the slot are configured to cooperate with corresponding features on the closure plates, so as to prevent an inappropriate installation of the surgical staple cartridge.

Methods and devices for consistently and accurately controlling the depth of the graft tunnel. A sheath is inserted into the bone until a stop member on the sheath contacts the bone. A cutting member is then deployed to drill a larger bore in the tunnel until making contact with the distal end of the sheath. The cutting member may be drawn retrograde within the tunnel, or driven antegrade from an opening opposite the opening in which the sheath resides. The drill and the sheath can then be removed, leaving the tunnel that includes a tunnel portion sized to fit a graft so that the graft fits tightly within the tunnel portion and is flush with the opening of the tunnel.

The invention relates to a device for use in the transcatheter treatment of mitral valve regurgitation, specifically a coaptation enhancement element for implantation across the valve; a system including the coaptation enhancement element and anchors for implantation; a system including the coaptation enhancement element, catheter and driver; and a method for transcatheter implantation of a coaptation element across a heart valve.

The present teachings provide for a hand-held robotic instrument for use with a surgical tool. In one configuration, the instrument comprises a housing configured to be held by a user, the housing defining a remote axis of motion. Control systems for controlling the hand-held robotic instrument are also contemplated, which are capable of switching control modes based on fixation, boundaries, and / or frames.

A hemostatic device includes an elongated body, a flexible annular portion, a shield and an inflatable seal. The elongated body is configured to be connected to a vacuum source. The flexible annular portion is connected to the elongated body and includes a plurality of holes on the inner circumference of the flexible annular portion. The flexible annular portion is configured to be placed in the uterus. When the elongated body is inserted into the uterus, activation of the vacuum source is configured to draw a vacuum through the plurality of holes to contract the uterus. The shield is folded around the outer circumference of the annular portion, and the shield has an edge extending radially inward relative to the flexible annular distal portion. The shield is configured to prevent tissue from blocking the plurality of holes when a vacuum is applied. The inflatable seal is connected to the elongated body and configured to seal the uterus.

A robotic system includes a robotic arm that interacts with an object during operation. It further includes a locking component that, during operation, locks a multi-position component in an operating position. Responsive to a triggering event, locking of the multi-position component in the operating position is released and the multi-position component moves away from its operating position, facilitating separation between the robotic arm and the object.

An intraosseous system and methods for accessing a medullary cavity. The intraosseous system can include an access assembly and an advancement assembly. The access assembly can include an obturator assembly coupled to a needle assembly. The advancement assembly can include a housing having an inner wall and a drive screw coupled to an energy source. The drive screw can include a threaded portion extending from a drive screw head. The threaded portion can extend into the housing. The advancement assembly can further include an advancement nut threadably engaged with the threaded portion of the drive screw. The advancement nut can include an outer surface configured to slide along the inner wall a predetermined distance without rotating. The advancement assembly can further include a socket configured for attachment to the access assembly.

An end effector state estimation system for use in minimally invasive surgery (MIS) applications performs sensing and prediction algorithms to determine and visualize the state of an implantable therapeutic device during deployment. The end effector state estimation system includes a flexible elongate member, a therapeutic device coupled to a distal portion of the flexible elongate member, a sensor that measures at least one parameter related to the deployment state of the therapeutic device, and a processor. The processor receives image data from an imaging system representative of the therapeutic device positioned within the body cavity of the patient and the at least one parameter from the sensor, determines the deployment state of the therapeutic device based on the image data and the at least one parameter, outputs a graphical representation of the deployment state of the therapeutic device.

New and innovative systems and methods for calibrating and correcting sensors associated with a collaborative robot are disclosed. An example system comprises: at least one robotic arm; a sensor affixed to a location on the robotic arm, wherein the sensor measures force and torque across six degrees of freedom (6DOF); a processor; and memory. The system may receive, from the sensor, sensor input in real-time that indicate a measured force or torque. The system may generate, in real-time, sensor corrections that correspond to offset, linear, and non-linear deviations of the measured force in each sensor axis. The sensor corrections may correspond to offset, linear, and non-linear cross-coupling of the measured force between two or more sensor axes. The sensor corrections may be determined by applying offset, linear, and non nonlinear corrections to each degree of freedom (DOF) from every other DOF.

The present technology relates to systems and methods for removing a thrombus from a blood vessel of a patient. In some embodiments, the present technology is directed to systems including an elongated catheter having a distal portion configured to be positioned within the blood vessel of the patient, a proximal portion configured to be external to the patient, and a lumen extending therebetween. The system can also include a fluid delivery mechanism coupled with a fluid lumen and configured to apply fluid to at least partially fragment the thrombus. The system can further include one or more ultrasound transducers configured to direct ultrasonic energy towards a target location or thrombus and control operation of the system based on received ultrasound echoes.

Labeling and packaging systems include a primary packaging with a top seam and a bottom seam, and enclosing a medical device within its interior cavity. The system further comprises a label system, which consists of a first body with a front surface and a rear surface, extending over a frontal plane and attached to the front surface of the primary packaging. Additionally, the label system includes a first right handle and a first left handle, both attached to the top edge of the first body. A tear line extends longitudinally from the top edge of the first body, and is disposed between the right handle and the left handle. The tear line has a distance (d) that is less than a length (L) of the first body. The tear line is designed to facilitate separation when the right handle is pulled in the opposite direction from the left handle.

A patient specific instrument is disclosed for correcting a condition present in a patient. The patient specific instrument includes a body that includes an inferior side having a bone engagement surface shaped to match a first surface of a first bone and a second surface of a second bone of a joint. The instrument also includes a superior side having a first guide feature and a second guide feature that together, with the bone engagement surface overlying the first surface and the second surface, are positioned to guide resection of the first bone and the second bone during a surgical osteotomy for correcting the condition. The body is configured to seat transverse to the joint with the bone engagement surface engaging the first surface of the first bone and the second surface of the second bone.

The present disclosure relates to a surgical stapler and a staple cartridge for use with the surgical stapler, where a cartridge body of the staple cartridge includes: a tissue contact platform; a plurality of staple cavities arranged in rows along a longitudinal direction of the staple cartridge; and a retaining pin assembly slidably arranged in an end of the cartridge body proximate to the outside and can extend distally out of a retaining pin hole opened on the tissue contact platform along a longitudinal direction of the surgical stapler when the closure drive mechanism is actuated, wherein a pin rod of the retaining pin assembly having a round cross section; wherein, in the longitudinal direction of the staple cartridge, an outermost edge of an outermost staple cavity in at least one row of the staple cavities is aligned with or extends beyond a longitudinal axis of the pin rod; and wherein the pin rod of the retaining pin assembly is offset relative to a longitudinal centerline of the staple cartridge; or alternatively the pin rod of the retaining pin assembly is centered relative to the longitudinal centerline of the staple cartridge while a longitudinal centerline of a plurality of rows of the staple cavities is offset relative to the longitudinal centerline of the staple cartridge. The surgical stapler according to the present disclosure includes: an anvil for causing staples in the staple cartridge formed, which is formed thereon with a plurality of staple forming pockets arranged in rows, and an anvil side retaining pin receiving hole for receiving a free end of a retaining pin assembly of the staple cartridge, wherein an outermost edge of an outermost staple forming pocket in at least one row of the staple forming pockets is aligned with or extends beyond a center of the retaining pin receiving hole at the anvil side.

A suturing device comprising an elongated member including a cavity formed in a surface thereof, a needle passage, and a vacuum port. When the elongated member is inserted into a body including tissue and a vacuum is applied to the cavity, the tissue is captured by the cavity. A needle pusher is operable to move a needle having a sutured attached thereto through the tissue until a first end of the needle is captured by a needle capturing assembly. A clamp coupled to the elongated member is used to extract the needle from the needle capturing assembly and reposition the needle with suture attached to be re-engaged by the needle pusher. The cavity may include a plurality of cavity portions for capturing multiple contiguous portions of the tissue such that a single pass of the needle and the suture results in the suturing of the multiple portions of the tissue.

A deflectable catheter is disclosed that includes a proximal handle, an elongated catheter shaft extending distally from the proximal handle and including a deflectable distal end portion, a drive mechanism associated with the proximal handle for deflecting the distal end portion of the catheter shaft between a first position where the distal end portion of the catheter shaft is aligned with an axis of the catheter shaft and a second position where the distal end portion of the catheter shaft is deflected angularly away from the axis of the catheter shaft, and indicator means associated with the drive mechanism for providing a visual indication of the position of the drive mechanism, which corresponds to a degree of curved deflection of the deflectable distal end portion of the catheter shaft.

A powered surgical device includes a power source and a motor coupled to the power source. The device may include a reload having a plurality of staples. The device may also include a transmission assembly movable by the motor. The device may also include a sensor configured to monitor operation of the transmission assembly and output sensor data. The device may also include a controller configured to: determine a position of the transmission assembly, and operate the motor based on the position of the transmission assembly to advance the transmission assembly to eject the plurality of staples from the reload. The controller is further configured to stop the motor once the plurality of staples is ejected from the reload for a preset period of time.