Abstract: A biopsy driver includes a housing, a battery supply, a motor, a trigger, and a control circuit. The control circuit has a trigger switch circuit, a resistance network circuit, and a pulse width modulation circuit. The trigger switch circuit has an OFF state and an ON state. The resistance network circuit is coupled to an input of the pulse width modulation circuit. The pulse width modulation circuit is configured to generate a variable pulse width signal to control a rotational speed of the motor. When the trigger switch circuit is in the ON state, the trigger switch circuit is configured to: connect a negative terminal of the battery supply to the chassis ground, and select a resistance value from the resistance network circuit to select a desired duty cycle of the variable pulse width signal generated by the pulse width modulation circuit.

Abstract: A device for soft tissue biopsy or excision for either handheld or stereotactic table use may comprise a work element configured to selectively open and close at least one articulable beak configured to penetrate tissue, or follow a central lumen of another device or over a wire in a longitudinal direction. Flush and vacuum tissue transport mechanisms may be incorporated. A single tube or an inner sheath and an outer sheath which may be co-axially disposed relative to a work element may be configured to actuate a beak or beaks and provisions for simultaneous beak closing under rotation may be incorporated.

Abstract: A catheter system and method, the system including a catheter having a lumen, a position sensor, and at least one pull-wire to articulate the catheter, a tool including a metal tip at the distal end of the catheter, a proximity sensor associated with the catheter and configured to detect the presence of the tool proximate an articulation region on the target, and an articulation mechanism configured to apply pressure to the pull-wire to articulate and de-articulate the catheter. The method determining that the tool cannon pass through the articulation region based on the level of articulation of the catheter and the properties of the tool, de-articulating the catheter to allow the tool to pass through the articulation region and re-articulating the catheter to a position and orientation of the catheter prior to de-articulation.

Abstract: The disclosure provides various embodiments of systems to facilitate the cutting of tissue structures and other tissue structures percutaneously.

Abstract: Systems and methods for tissue containment and retrieval are disclosed. The containment system includes a primary chamber interconnected with a secondary channel extending from the primary chamber. A tissue specimen is mobilized inside a body cavity and placed into the primary chamber through a first opening. The first opening is pulled through a first incision or orifice and the narrower secondary channel is placed at a second incision or orifice. A second opening at the end of the secondary channel permits observation via a scope inserted through the second opening of the tissue specimen in the primary chamber undergoing morcellation via the first opening. Other systems and methods for deployment, containment, debulking and sealing of the second opening to create a closed system for the safe retrieval of the tissue specimen are provided.

Abstract: Methods and apparatuses are disclosed for closing a patent foramen ovale. Some of the disclosed apparatuses include an elongate body having a proximal end and a distal end, with first and second suture clasp arms adapted to hold end portions of a suture when in an extended position. A first suture catch mechanism is slidably housed in the elongate body and moves in a proximal-to-distal direction to engage the suture end held by the first suture clasp arm, and a second suture catch mechanism is slidably housed in the elongate body and moves in a distal-to-proximal direction to suture end held by the second suture clasp arm. The first suture clasp arm can be positioned around the septum primum to deliver a suture thereto, and the second suture clasp arm can be positioned around the septum secundum to deliver a suture thereto.

Abstract: Expandable surgical anchors and methods of tissue repair with knotless fixation. The method includes coupling a repair strand to tissue to be fixated and inserting an implant with the repair strand that is captured by an implant into a pre-drilled bone hole in an insertion direction. After the implant is inserted into the bone hole, an expanding cannulated fixation device is installed into the bone hole such that the repair strand is positioned outside of the fixation device. After installing the fixation device into the bone hole, the fixation device is expanded by pulling the implant in an activation direction into the fixation device while the fixation device remains stationary, thereby compressing the fixation device against the bone hole with the repair strand disposed between an outer surface of the fixation device and the bone hole and providing tissue fixation without tying any knots.

Abstract: A device for securing soft tissue to bone includes a suture anchor, a first suture portion, a second suture portion and a working suture. The suture anchor has a lumen therethrough. The first suture portion has a length extending from a first end to a second end and passes into and out of the lumen over at least part of the length moving toward the second end from the first end. The second suture portion has a length extending from a first end to a second end and is disposed relative to the suture anchor such that at least part of the second suture portion encircles the suture anchor circumferentially around an outer surface of the suture anchor at least one complete rotation. The working suture has a first end operatively connected to at least one of the suture anchor, the first suture portion and the second suture portion.

Abstract: A rotation adapter for a minimally invasive surgical apparatus is disclosed. The rotation adapter has a proximal journal and a distal journal. The rotation adapter also has a rotation index coupled between the proximal and distal journals. The rotation adapter further has an actuator input wherein the actuator input comprises a keyed slot and an effector output.

Abstract: A needle driver device comprises a needle track defining a curved path and a drive system configured to operably engage with and drive a needle along the needle track. The drive system comprises a first drive member, a second drive member, and a needle driver link. The first drive member is rotatable about a first drive member axis, and the second drive member is rotatable about a second drive member axis spaced apart from the first drive member axis. The needle driver link comprises a distal end portion removably engageable with a needle that is positionable in the needle track, the distal end portion being movable along an arcuate-shaped path proximate the needle track. Devices, systems, and methods relate to needle driver devices.

Abstract: A tissue aperture closure device may include more than one suture deployed in multiple directions around a perimeter of a tissue aperture. The sutures may be pulled through a suture lock to tension the sutures and close the tissue aperture. The suture lock may be transitioned between a locked configuration and an unlocked configuration in which the tension of the sutures may be adjusted.

Abstract: A suture apparatus can include a surgical cable having a plurality of woven shape retaining wires. The surgical cable can have a leading end portion and a trailing end portion. The suture apparatus can include a leader connected to the leading end portion of the surgical cable and can be configured to be advanced around bone portions. The woven shape-retaining wires of the cable can be configured to form a twist lock of the surgical cable by twisting of the surgical cable leading and trailing end portions together.

Abstract: A medical stapler includes a stapling head including a staple ejection portion, an anvil openably and closably coupled to the stapling head by a rotation shaft, a staple receiving portion provided in the anvil and provided at a position facing the staple ejection portion when the stapling head and the anvil are in a closed state, a lever rotatably provided on the stapling head, and a lever operation wire connected to the lever and provided to extend in a direction of a proximal end of the stapling head, in which the lever is capable of raising upward with respect to the stapling head in accordance with advance and retraction of the lever operation wire.

Abstract: A surgical instrument. The surgical instrument has a force delivery system which communicates a changing force to a user of the surgical instrument when a limit of a surgical function is reached. A sensor senses position of a moving element to communicate a signal to the force delivery system. In various embodiments, the system generates a vibratory force to signal the user.

Abstract: Disclosed is a surgical instrument, comprising an end effector configured to grasp tissue. The end effector comprises a jaw, and a staple cartridge seatable in the jaw, wherein the staple cartridge comprises a sensor array. The surgical instrument further comprises a power source configured to supply power to the staple cartridge, and a transmission system. The transmission system is configured to wirelessly transmit the power from the surgical instrument to the staple cartridge, monitor an efficiency of a transfer of the power from the surgical instrument to the staple cartridge, and adjust a transfer parameter based on the efficiency of the transfer.

Abstract: A staple cartridge can comprise a plurality of staples positioned within a cartridge body, wherein the cartridge body can comprise a tissue-contacting deck and a plurality of ridges extending from the tissue-contacting deck. The ridges can be configured to prevent, or reduce the possibility of, tissue from moving relative to the staple cartridge during use. The staple cartridge can further comprise a plurality of staple cavities, wherein each staple cavity can comprise an opening in the deck which is at least partially surrounded by a ridge. The ridges can comprise a uniform height or a height which varies along the length thereof. The height can vary relative to a proximal end and a distal end of the cartridge body and/or between the center of the cartridge body and the side.

Abstract: Various embodiments of a device for deep surgical corridor microvascular anastomosis are described herein.

Abstract: The subject invention relates generally to the repair of severed or damaged nerve and/or epineurium in a patient in need of such treatment. In particular, the present invention provides devices and methods of repairing severed or damaged nerve and/or epincurium. In some embodiments, a device is provided for the in vivo repair of severed or damaged nerve and/or epineurium comprising: a pliable collagen membrane comprising a first surface and a second surface, said first surface having a plurality of protruding collagen bundles and said second surface comprising a plurality of apertures, said apertures and said collagen bundles arranged to form a self-engaging attachment when said first surface and said second surface are placed together.

Abstract: A medical stapler includes a stapling head having a staple ejection portion and having a length in one direction, an anvil openably and closably coupled to the stapling head by a rotation shaft and having a length in one direction, a staple receiving portion provided in the anvil and provided at a position facing the staple ejection portion when the stapling head and the anvil are in a closed state, and a first guide portion configured to be displaced to a protruding orientation or a retracted orientation. In the protruding orientation, the first guide portion is capable of lifting a treatment tool.

Abstract: Devices for treating vascular defects and associated systems and methods are disclosed herein. In some embodiments, an occlusive device for treating an aneurysm includes an anchor structure extending circumferentially around an opening. A plurality of spiral struts are coupled to the anchor structure and extend over the opening, and a plurality of protrusions extend away from the spiral struts. The spiral struts and the protrusions can both be arranged within a common plane when the occlusive device is in an expanded configuration. When the occlusive device is deployed within the aneurysm and in the expanded configuration, the spiral struts can span the neck of the aneurysm, and the anchor structure can engage the wall of the aneurysm near the neck.

Abstract: Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a medical device includes an occluder portion and an anchor portion. The occluder portion includes a hub that defines an axis, the occluder portion extending between a proximal end coupled to the hub and a distal end defining an occluder eyelet adjacent thereto. The anchor portion extends between a first end and a second end, the first end coupled to an anchor hub and the second end defining an anchor eyelet adjacent thereto and hingeably coupled to the occluder eyelet. With this arrangement, the anchor hub is moveable along the axis to move the anchor portion between a retracted position and a deployed position upon the occluder portion being in an expanded position.

Abstract: A neurovascular occlusion device for occluding a vessel and a delivery system for delivering the occlusion device. The occlusion device can include a self-expandable support structure defining a concave occlusive component and an anchoring component separated by a neck component. The occlusive component can carry a functionally occlusive membrane configured to prevent substantially all fluid from flowing past the occlusion device when the occlusion device is expanded in the vessel.

Abstract: A laparoscopic device comprising: (a) a housing operatively coupled to a first control and a second control; (b) an end effector operatively coupled to the first control, the end effector comprising a first component and a second component selectively repositionable with respect to one another within an X-Y plane, the end effector also including a third component selectively repositionable with respect to the second component within an Y-Z plane; (c) a laparoscopic conduit extending between the housing and the end effector; and, (d) an occlusion clip deployment device operatively coupled to the end effector and the second control.

Abstract: A clip device includes a clip, including a plurality of arms having sliding grooves; and an intermediate member inserted into the sliding grooves for connecting the plurality of arms; a pressing tube accommodating a proximal end portion of the clip; a connection member connecting with an operation wire at a proximal end side and including an engaging portion engaging with the intermediate member; and a locking mechanism for lock the plurality of arms when the clip is pulled toward the proximal end side by a predetermined distance by the connection member, wherein the clip includes a contact portion formed on a side surface of the arm to be in contact with the engaging portion from a direction orthogonal to an axial direction of the intermediate portion for preventing a deformation of the engaging portion when the intermediate portion slides along the sliding groove before the plurality of arms are locked.

Abstract: A joiner for a tourniquet, such as a tourniquet clip. (20) has first and second portions (22a, 22b) each portion connected, mounted or adapted to connect to or mount on a tourniquet strap or strap assembly (12), the first and second portions (22a, 22b) joined, directly or indirectly, by at least one frangible portion (24).

Abstract: A system for decorticating at least one bone surface includes an elongated soft tissue protector, an elongated drive shaft and a cutter. The elongated soft tissue protector has a bore extending therethrough. The bore has a non-circular lateral cross-section, a maximum lateral extent and a minimum lateral extent. The cutter may be located on or near a distal end of the drive shaft. The cutter has a non-circular lateral cross-section, a maximum lateral extent and a minimum lateral extent. The maximum lateral extent of the cutter is greater than the minimum lateral extent of the bore but is no greater than the maximum lateral extent of the bore. The bore of the soft tissue protector is configured to slidably receive the cutter therethrough. Other systems and methods for decorticating at least one bone surface are also provided.

Abstract: A surgical instrument, a spacer sleeve for a surgical instrument, and a tool for a surgical instrument. The surgical instrument includes the sleeve, which is designed to receive a part of the tool. The sleeve has signal lines that extend axially along the sleeve. A magnetic memory output device is arranged on the sleeve and is electrically connected to the signal lines. The magnetic memory output device outputs information about the tool based on information contained in a magnetic memory surrounding a circumference of the part of the tool. The magnetic memory output device also transfers information to an analysis unit via the signal lines of the sleeve.

Abstract: An intraosseous access system, including a needle configured to drill into bone via rotation of the needle, and a driver. The driver can be configured to impart rotational power to the needle. The driver can include a power converter and a first power source connected to the power converter. The system can further include a second power source external to the driver and selectively connectable to the driver. A method of drilling through a bone includes providing the intraosseous access system, applying rotational power to the needle, and placing the needle in contact with the bone. The method can further include coupling the second power source to the power converter so that power from the second power source is combined with power from the first energy source.

Abstract: Systems and methods for use of an instrument for preparing a bone for joint replacement is provided. In various embodiments, the instrument comprises a tool frame, a drive interface, a drive shaft, at least one torque interface, and a plurality of bone sculpting tools interlocked to form at least one continuous loop. Methods and systems for preparing a femur for total hip arthroplasty are also provided.

Abstract: Provided is a guide assembly for guiding a bone cutting tool through a small incision in the skin near the bone that allows movement of the cutting tool in the bone in a wide angle while the cutting tool is rotated about a pivot point that is located at the small incision. The guide assembly includes a 2-piece construction that includes a guide component that holds the cutting tool and a track component having a semicircular arc shape on which the guide component is slidably engaged whereby sliding the guide component along the track component guides the movement of the cutting tool to rotate about a pivot point that is the center of curvature of the semicircular arc shape of the track component.

Abstract: A reaming guide for reaming a bone is disclosed. The reaming guide includes a peripheral member configured to mate with a peripheral guide feature; a rigid body extending from the peripheral member to adjacent to a reaming head of a reamer, where the rigid body is configured to be mounted to the reamer proximal of the reaming head; and a depth stop coupled with the rigid body, the depth stop having a distal portion configured to contact a first reamed glenoid surface when the reaming head has fully reamed a second reamed surface to a planned depth, the second reamed surface being angled to the first reamed surface.

Abstract: The present disclosure relates to the field of medical equipment, and provides an intelligent thrombus aspiration system, including a negative pressure suction pump, a blood collection tank, a thrombus aspiration connection unit, a suction catheter and a man-machine interaction module. The man-machine interaction module is configured to transmit a target catheter diameter of the suction catheter to the thrombus aspiration connection unit in response to a command for selecting the target catheter diameter.

Abstract: 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 (1) at least partially fragment the thrombus and (2) provide an optical path for the imaging element, and an aspiration mechanism fluidly coupled to an aspiration lumen and configured to aspirate the fragmented thrombus.

Abstract: In some examples, a medical aspiration system includes a vacuum source; a vacuum tube coupled to the vacuum source; a vent tube; and a device configured to convert a constant suction force from the vacuum source into a periodic suction force, the device including a housing configured to receive a portion of the vacuum tube and a portion of the vent tube; a first plunger; a second plunger; and a rotatable cam configured to cause the first plunger to periodically compress the vacuum tube and to cause the second plunger to periodically compress the vent tube.

Abstract: A method of treating a patient having an inflammation, infection from bacteria or molds or fungi or virus or cancerous cells by destroying bacteria or molds or fungi or virus or cancerous cells is disclosed. The method comprising the step of directing one or more sound wave treatments into the patient targeting the inflammation, infection, mold, virus, bacteria or fungi to cause a body to identify these as foreign objects and trigger the body's own natural healing mechanisms to destroy the foreign objects.

Abstract: A lithotripter is provided for fragmenting a stone inside a patient's body. In one form, the lithotripter includes a motor having at least two modes of operation and is configured to produce first and second waveforms. A wave guide shaft is configured to transmit the first and second waveforms to the stone. In one form, at least one of the first and second waveforms is provided to the stone at a frequency that is about equal to a natural frequency of the stone. In a variation, the lithotripter may include an ultrasonic driver configured to produce an ultrasonic frequency waveform and a sonic driver configured to produce a sonic frequency waveform. The sonic driver is mechanically coupled to the ultrasonic driver. The ultrasonic driver and the sonic driver may be disposed within a driver housing. In another variation, the lithotripter may include a brushless DC motor.

Abstract: An intravascular lithotripsy catheter system for use in providing an energy wave a force to a thrombus or lesion within a vasculature, the catheter system including a catheter that extends from a proximal end to a distal end with a saline delivery lumen open from the distal end of the catheter for creating a controlled volume or bolus of saline at a distal region of the catheter, at least one pair of electrodes provided within the distal region of the controlled volume that are connectable with a high voltage pulse generator to create a spark across the electrode pair when inflated with a saline solution, and an optical fiber extending from the proximal end of the catheter distally to a position within the balloon for observing an optical phenomenon within the balloon when detectable light energy is generated by the optical phenomenon. Preferably, the optical fiber is connected with a photosensor at the proximal end of the catheter. Methods of using such a catheter system are also contemplated.

Abstract: A single treatment system for vascular defects can be configured for use in removing clot material via mechanical thrombectomy and/or for deployment of an expandable device at a lesion to treat intracranial atherosclerotic disease (ICAD). Such a treatment system can include a delivery catheter carrying an expandable member configured to be deployed for treatment of ICAD, such as a balloon or balloon-mounted stent. A thrombectomy assembly includes a mechanical thrombectomy device (e.g., a stent retriever) coupled to the distal end of a core member that is slidably disposed within the delivery catheter lumen. In operation, the thrombectomy device can be slidably advanced beyond a distal end of the delivery catheter lumen, where the thrombectomy device can expand and engage clot material. Additionally or alternatively, the expandable member carried by the delivery catheter can be deployed (e.g., expanded into apposition with the vessel wall) for treatment of ICAD.

Abstract: A choking intervention device for clearing a foreign object obstructing a breathing passage of a choking victim includes an assembly of one or more hollow vessels and a facemask configured to enclose a person's mouth and nose. The assembly includes a plurality of vessels configured to create a low-pressure environment within the assembly. The assembly contains a bottom opening which provides access to the low-pressure interior. The facemask is coupled to the bottom of the assembly and is configured to enclose the choking victim's mouth and nose. The body of the assembly is further of proper size and shape to allow an ordinary individual the ability to hold and use the assembly with one hand. Operation of this device has the unique advantage of pressing toward the victim which facilitates the creation of an airtight seal between the facemask and the victim's face.

Abstract: A hygiene device for use with a body orifice of a living being, the hygiene device including a head adapted for use in the body orifice, the head being formed of one or more absorbent materials that are adapted to collect substances from the body orifice and a handle connected to the head to enable the head to be inserted into and removed from the body orifice with the collected substances. Method of using the hygiene device are also provided.

Abstract: A device for dilating a structure in an ear, nose or throat of a patient includes a handle, a shaft extending from the handle, an elastic distal portion extending from the shaft, a balloon disposed over at least part of the elastic distal portion, and an inflation tube extending from the handle and coupled with the balloon via an inflation lumen. The inflation tube is bendable to form a kink in the tube and thus push inflation fluid out of the inflation tube and through the inflation lumen to inflate the balloon. In other embodiments, a bendable hydraulic tube is used to push fluid through a device to actuate other types of hydraulically driven mechanisms.

Abstract: A portable tongue scraper assembly includes a housing that has a slot extending into an interior of the housing. A tongue scraper is pivotally disposed in the housing and the tongue scraper is positionable in a deployed position having the tongue scraper extending upwardly from the housing. The tongue scraper is positionable in a stored position having the tongue scraper being stored within the housing. A closure is pivotally disposed on the housing. The closure is positionable in a closed position when the tongue scraper is in the stored position having the closure closing the slot for enclosing the tongue scraper. The closure is positionable in an open position having the slot being exposed thereby facilitating the tongue scraper to be positioned in the deployed position.

Abstract: Disclosed herein are devices and methods for creating a shunt between two vessels or lumens within a patient. While these devices and methods are generally described with regard to treatment of hypertension (e.g., pulmonary arterial hypertension) and/or right heart failure/disfunction, they can be used with a variety of different vessels and lumens for other purposes. The devices include puncturing guidewire embodiments that can more accurately pierce two vessels, as well as snare catheter designs that can prevent unwanted damage from a puncturing guidewire.

Abstract: A multi-blade for a medical shaver includes an outer blade and an inner blade. The outer blade includes a keyhole through which at least a portion of the inner blade is exposed. The keyhole includes a first set of corresponding cutting edges on a first side of the outer blade and the inner blade, and a second set of corresponding cutting edges on a second side of the outer blade and the inner blade. Rotation of the inner blade in a first direction removes a first amount of tissue from a patient with the first set of cutting edges. Rotation of the inner blade in a second, different direction removes a second, different amount of tissue from the patient with the second set of cutting edges.

Abstract: An ultrasonic system for ultrasonic surgery including an ultrasonic instrument having a sonotrode and a piezoelectric converter, an ultrasonic generator driving the converter, and a device communicating with the ultrasonic instrument, for the supply of an irrigation fluid to the ultrasonic instrument at a predetermined irrigation rate and/or for effecting a predetermined negative pressure applied to the ultrasonic instrument. The negative pressure is configured for the aspiration of tissue fragmented by the ultrasonic instrument. A controller sets a current ablation rate between a predetermined minimum ablation rate and a predetermined maximum ablation rate depending on the tissue type. The ablation rates are respectively determined by a value pair including sonotrode amplitude, and irrigation rate or negative pressure, or a value triplet including sonotrode amplitude, irrigation rate, and negative pressure.

Abstract: A system for axial positioning of a rotating shaft is provided herein. The system includes a first wheel. The system also includes a second wheel positioned adjacent to the first wheel such that the first wheel and second wheel are configured to rotate in opposite directions. The second wheel is also positioned such that first wheel and second wheel are configured to exert axial force tangential to the first wheel and the second wheel to a shaft positioned between the first wheel and the second wheel. Each of the first wheel and the second wheel each comprise a plurality of rollers positioned tangentially along a circumference of the first wheel and the second wheel.

Abstract: A tool to determine a pre-puncture needle shape to provide a desired approach to a target location based on measured patient anatomy is disclosed herein. Anatomical relationship between an outlet of an access vessel and a desired puncture sight on the interatrial septum is used to determine the pre-puncture needle shape. The tool may be used to provide a recommended preferred needle shape from a collection of predetermined needle shapes (e.g. commercially available needle shapes) and/or recommend a bent shape to which a physician may modify a predetermined needle shape to fit. Additionally, or alternatively, the tool may be used to provide a recommended preferred needle shape to manufacturers to create a bespoke needle shape for a given patient and/or a recommended preferred needle shape for patient cohort having similar anatomy within the cohort.

Abstract: In accordance with an embodiment, a system for device localization and tracking for magnetic resonance (MR) image-guided interventional procedures includes an input configured to receive a set of MR images of a region of interest of a subject acquired using a magnetic resonance imaging (MRI) system and a physical device localization system. The region of interest includes a device. The physical device localization system includes a first neural network coupled to the input and configured to localize a feature of the device on the set of MR images and a second neural network coupled to the first neural network and configured to generate an estimate of a physical position of the device based on the localized device feature. The system further includes a display coupled to the second neural network and configured to display the estimate of the physical position of the device.

Abstract: A guidance system, a method and a device for dynamically guiding a surgical needle catheter onto an organ to be surgically operated of a patient. In particular, the disclosure relates to a guidance system, a method and a device to aid in the percutaneous kidney puncture.

Abstract: An access device for accessing an intervertebral disc having an outer shield comprising an access shield with a larger diameter (˜16-30 mm) that reaches from the skin down to the facet line, with an inner shield having a second smaller diameter (˜5-12 mm) extending past the access shield and reaches down to the disc level. This combines the benefits of the direct visual microsurgical/mini open approaches and the percutaneous, “ultra-MIS” techniques.