Abstract: The invention provides systems, devices, and methods for the delivery, deployment, and positioning of magnetic compression devices at a desired site so as to improve the accuracy of anastomoses creation between tissues, organs, or the like.

Abstract: The present invention relates to a complex surgical device for carrying out an anastomosis in the intestine including: a—a protective device (5) comprising an anchor element consisting of a stent (1) and a flexible outer sheath (2), and b—an introducer (10) comprising at least a first deformable guide tube (12), characterized in that the downstream end of said outer sheath is connected to said first guide tube (12) or to a first connecting piece (11), said outer sheath (2) being folded inside said first deformable guide tube (12), said stent being held in radial compression inside said first deformable guide tube.

Abstract: Balloon based therapy devices for treatment of diseased vessels with particular applicability to veins are described. The devices are adapted for active aspiration of a closure zone, in particular aspects to an isolated closure zone, prior to delivery of a closure agent. The devices may be used for treatment of diseased veins in the lower limbs and pelvis. The devices may also include mechanical abrasion elements adapted to engage with a vessel wall, such as along a treatment zone.

Abstract: A flow diverter device for restricting blood flow to an aneurysm at a blood vessel bifurcation is disclosed and described. The flow diverter device includes a linear device body that includes a high-density distal cap having an outer convex shape structurally configured to engage an aneurysm ostium on a blood vessel side at a blood vessel bifurcation, such that the high-density distal cap restricts blood flow into the aneurysm from the blood vessel bifurcation, a low-density section adjacent the high-density distal cap to allow blood flow through the blood vessel bifurcation, a stent section adjacent the low-density section and structurally configured to stabilize the linear device body in a lumen of the blood vessel bifurcation, and a proximal wire attachment at a lateral edge of the stent section, where the stent section terminally couples to a distal end of the proximal wire attachment.

Abstract: Devices and methods are described for occluding the left atrial appendage (LAA). The device excludes the LAA from blood flow to prevent blood from clotting within the LAA and subsequently embolizing, particularly in patients with atrial fibrillation. The implantable device is delivered via transcatheter delivery into the LAA and secured within the LAA. The implant comprises an expandable and compliant frame and an expandable and conformable tubular foam body carried by the frame. The device may have a thromboresistant cover at a proximal end and a thromboresistant coating on the foam body. The frame may have recapture struts inclining radially outwardly in the distal direction from a central hub. The frame may have axially extending side wall struts, with adjacent pairs of side wall struts joined at one or more apexes. Anchors extend from the frame to engage tissue. The anchors can also be reversible to allow retraction of the anchors and repositioning or retrieval of the device.

Abstract: A bleeding control device for mitigating bleeding includes a housing, inflation means, an inflatable balloon and a gas supply line. The bleeding control device may be used to deliver variable contents to a wound at the site of injury to control the bleeding of a victim as temporary solution for mitigating the bleeding until more advanced medical care can be provided. A bleeding control device includes a canister housing, a compressed gas canister arranged within the canister housing, a tube connected to the canister housing, an inflatable balloon disposed on the tube, the inflatable balloon being fluidly connected to the compressed gas canister, and a control element configured to activate the compressed gas canister to inflate the inflatable balloon.

Abstract: Balloon based therapy devices for treatment of diseased vessels with particular applicability to veins are described. The devices are adapted for active aspiration of a closure zone, in particular aspects to an isolated closure zone, prior to delivery of a closure agent. The devices may be used for treatment of diseased veins in the lower limbs and pelvis. The devices may also include mechanical abrasion elements adapted to engage with a vessel wall, such as along a treatment zone.

Abstract: A ligation clip(10) includes a hinge portion(300) having a flexible insert assembly(400) embedded in a body portion of the hinge portion(300). The flexible insert assembly(400) includes inserts(402, 404, 406) that are formed of a material that is more flexible than a material forming the body portion of the hinge portion(300). In this manner, plastic deformation in the hinge portion(300) of the ligation clip(10) is reduced or eliminated.

Abstract: A clip device for gripping biological tissue of a patient includes a clip having a first arm and second arm closeable by operation of a wire that is reciprocally moveable in a longitudinal channel of a sheath; and a bendable member at a distal end region of the sheath. The bendable member can be an integral portion of the sheath or a separate structure. The bendable member is configured to allow a distal end of a clip to rotate or swing toward a proximal end region of the sheath of the device, which orients the clip relative to the sheath to facilitate grasping of tissue even when the approach of the clip is tangential to the tissue, e.g., at an angle (?) less than 90. The bendable member can be configured to allow a distal end of a clip to rotate or swing toward a proximal end region of a sheath and form an angle of up to at least about 45 degrees, such up to about 60 degrees or up to about 90 degrees, or higher.

Abstract: A device includes a clip including a capsule and a pair of clip arms, proximal ends of which are slidably received within a channel of the capsule to move the clip arms between an open configuration and a closed configuration. The clip arms are aligned relative to one another via a pin received within openings extending through proximal ends of the clip arms. A proximal portion includes a flexible shaft extending from a proximal end to a distal end including a bushing releasably coupled to the capsule. A control member extends longitudinally through the flexible shaft from a proximal end to a distal end releasably coupled to the proximal ends of the clip arms, the distal end of the control member including a pair of holding jaws, each of which include a pair of fingers extending about the pin along opposing sides thereof to grip the pin therebetween.

Abstract: A tourniquet with multi-angle tightening devices includes a tourniquet main body, a first tightening device, and a fixing element. The first tightening device is rotatably disposed on the tourniquet main body and includes at least three pillar-shaped structures. The at least three pillar-shaped structures respectively extends outward from a rotation center of the first tightening device. There is a first width between the at least three pillar-shaped structures. The fixing element is disposed adjacent to the first tightening device and is disposed on the tourniquet main body. The first width is wider than the second width of the fixing element. A distance from the rotation center of the first tightening device to the fixing element is less than an extension length of any one of the at least three pillar-shaped structures from the rotation center.

Abstract: Embodiments of the present invention are directed to devices, systems and methods adapted for implementing intermittent displacement of blood to mitigate peripheral nerve neuropathy such as that induced by chemotherapeutic agents (i.e., chemotherapy-induced neuropathy (CIN)) that are administered to a patient. Such devices, systems and methods advantageously provide for precise, uniform and controlled blood flow occluding (and optionally blood displacing) compression along irregular surfaces of an appendage of a patient. Such precise, uniform and controlled blood occluding compression is imparted upon the epidermal and dermis skin layers within the aforementioned areas of a patient's extremities to decrease the time that free nerve endings located in the epidermal and encapsulated nerve endings located in the dermis skin layers are exposed to nerve damaging chemotherapy chemicals, thereby substantially decreasing CIN caused by prolonged exposure to such chemicals.

Abstract: A drill component is provided that enables determining the drill component's insertion depth into bone via direct measurements. The direct measurements help provide more consistently accurate insertion depth measurements as compared to typical insertion depth measurement methods that indirectly determine insertion depth using cannulas outside of the bone. The determined insertion depth corresponds to an implant size or length that a surgeon should select for a procedure. The drill component includes a shaft having an insertion end that includes multiple indications or markings that are visible on radiographic or fluoroscopic images. From one or more captured radiographic or fluoroscopic images of the drill component advanced into bone, a surgeon may count a quantity of indications or markings of the drill component on the one or more radiographic or fluoroscopic images to determine the drill component's insertion depth into the bone.

Abstract: A lithotripsy device can comprise a handpiece, a lithotripsy probe extending from the handpiece, an energization source configured to deliver an energy to a distal end of the lithotripsy probe, a suction passage extending from the distal end of the probe and through the handpiece, and a capture device comprising a container comprising a storage space, an entry port configured to couple to the handpiece at the suction passage, and an exit port, and a capture element connected to the container and configured to facilitate capture of stone fragments within the storage space. A method can comprise fragmenting stones with a lithotripsy device, drawing a vacuum through the lithotripsy device to pull stone fragments and waste fluid therethrough, pulling the vacuum through a stone capture device connected to the lithotripsy device, depositing stone fragments within the stone capture device using a capture element, and drawing the vacuum through the device.

Abstract: A method of extracting a thrombus from a thrombus site in a cerebral artery of a patient by advancing a first catheter into an internal carotid artery of the patient; advancing a funnel catheter within the first catheter; moving the funnel catheter and the first catheter with respect to each other to place the funnel outside of the first catheter; expanding the funnel into contact with an inner wall of the internal carotid artery at or proximal to a distal end of a carotid siphon, thereby reducing blood flow past the funnel; advancing a clot-mobilizer distally through the first catheter toward the thrombus and beyond the carotid siphon; engaging thrombus material from the thrombus with the clot-mobilizer; moving the clot-mobilizer and thrombus material proximally at least partially into the funnel; applying suction to aspirate thrombus material; and moving the funnel, the clot-mobilizer and the thrombus material proximally within the vasculature.

Abstract: A system for preventing or treating vascular access device (“VAD”)-related thrombosis can include an ultrasound transducer configured to emit thrombus-fragmenting ultrasound into a patient about a VAD. The ultrasound transducer can include a securing means for securing the ultrasound transducer to the patient over the VAD. A method of such a system can include an ultrasound-emitting step. The ultrasound-emitting step can include emitting thrombus-fragmenting ultrasound from the ultrasound transducer into the patient about the VAD.

Abstract: Provided is a surgical instrument for electrocautery, and in particular, a surgical instrument for electrocautery installed on a robot arm or manually operable in order to be used in laparoscopic surgery or other various surgeries.

Abstract: A jaw closure transmission system is presented that includes an input sub-system, output sub-system and a transmission sub-system. These transmission sub-systems may utilize the transmission member as an energy storing device over a certain portion of an input stroke, to achieve a specific desired performance of the surgical tool. These apparatuses and methods may be particularly useful with hand-held, minimally invasive surgical tools having jaws.

Abstract: Unitary vessel harvesting devices with integrated components is provided. In some embodiments, such devices can include an elongated body having disposed, at its distal end, a tip having a cone shaped design to minimize trauma to surrounding tissue during its advancement along a tissue segment; at least one of an imaging device, a light source, a transceiver, a power source, and a combination thereof, disposed on the elongated body; and a display in communication with the imaging device, the display being disposed on a compact device independent of the elongated body.

Abstract: Unitary vessel harvesting devices with integrated components is provided. In some embodiments, such devices can include an elongated body having disposed, at its distal end, a tip having a cone shaped design to minimize trauma to surrounding tissue during its advancement along a tissue segment; at least one of an imaging device, a light source, a transceiver, a power source, and a combination thereof, disposed on the elongated body; and a display in communication with the imaging device, the display being disposed on a compact device independent of the elongated body.

Abstract: The present disclosure relates to an arthroscopic resection device. The device includes an outer member including a hub, an inner member including a hub, the inner member housed within the outer member, a tube coupled to the outer member, and means for allowing longitudinal movement of the outer member relative to the inner member, the means coupled to the tube. A method of tissue repair and other arthroscopic resection devices are also disclosed.

Abstract: A surgical instrument includes an end effector having a clamp arm pivotable relative to an ultrasonic blade, an articulation section configured to deflect the end effector, an acoustic waveguide having a distal portion extending along an axis, a clamp arm closure assembly comprising a body configured to actuate in order to drive the pivoting of the clamp arm, and a clamp arm clocking assembly. The clamp arm clocking assembly is capable of driving rotation of the clamp arm about the axis relative to the ultrasonic blade between a first clocked position and a second clocked position. The clamp arm clocking assembly includes a rotating body pivotally coupled with the clamp arm, a translating drive extending through the articulation section, and a rotation driver assembly. The rotation driver is in communication with the translating driver to convert translational motion of the translating driver into rotational motion of the rotating body.

Abstract: An electric spiral knife for eliminating neck humps. A spiral groove (9) arranged clockwise along the side wall of a rod body (11) is installed at one end of the rod body (11); a cutting edge (8) is located at the rear end of a notch of the cross section of the rod body (11) at the spiral groove (9) when the rod body (11) rotates clockwise according to the spiral groove (9) as the front end; a notch at the other side opposite to the cutting edge (8) is set as convex arc transition (10); the rotary driver comprises a motor (3); one end of a flexible shaft (2) is connected with a rotating shaft arranged on the motor (3); and the other end of the flexible shaft (2) is connected with the other end of the rod body (11).

Abstract: In some embodiments, an apparatus includes a shaft, and a guide coupled and angularly deflectable relative to the shaft via a guide coupler to be transitioned between a delivery configuration and a deployed configuration in which a distal end of the guide points away from a centerline of the shaft. The apparatus further includes an elongate member removably and slidably disposable within a lumen of the guide and extendable distally relative to the distal end of the guide. The apparatus further includes a puncture member slidably disposable within a lumen of the elongate member and extendable distally relative to a distal end of the elongate member. The guide is configured to have the elongate member and the puncture member removed from the lumen of the guide and to receive in the lumen of the guide a therapeutic device, and to be angularly deflected while holding the therapeutic.

Abstract: A surgical instrument includes a chassis, an outer tube having a proximal end operably coupled to the chassis, and an inner tube extending within the outer tube. The inner tube has a proximal end operably coupled to the chassis to allow slidable movement of the inner tube relative to the outer tube in response to a force imparted to a distal end of the inner tube, and such that frictional force imparted to an outer surface of the outer tube is not imparted to the inner member.

Abstract: A painless slow-expanding piercing needle and a method for using same are disclosed. The painless slow-expanding piercing needle includes: a piercing needle with a diameter not greater than 0.3 mm; and a wire having a first end and a second end. The first end has a greater diameter than second end, the second end is connected to the piercing needle, and the first end is curled into a spiral tube shape. After piercing from one side to form a wound, the piercing needle is separated from second end, and the second end is curled into a spiral tube shape and curled up at the other side of the wound. After the wound heals, uncurling the first end by a length, moving the wire toward the second end to a proper position and curling the first and the second ends tightly are performed for several times until hole expansion is achieved.

Abstract: According to one embodiment, a trocar assembly having a proximal end and a distal end comprises an inner tubular member and an outer tubular member. The inner tubular member is formed with an opening at the proximal end and an opening at the distal end, the openings adapted to provide access for one or more surgical instruments during a surgical procedure. The outer tubular member is disposed about the inner tubular member, the outer tubular member being partitioned into at least a first chamber and a second chamber, wherein: the inner tubular member is separated from the outer tubular member by an inner wall; the first chamber is separated from the second chamber; and the first chamber and the second chamber are defined by the inner wall and an outer wall of the outer tubular member.

Abstract: A nasal implant delivery tool includes an inner handle, an outer handle, a needle, and a push rod. The inner handle includes a loading chamber configured to receive a nasal implant. The outer handle is configured to move axially relative to the inner handle. The needle extends distally from the inner handle and has a central lumen and a distal opening. The push rod is configured to move the nasal implant from the loading chamber, through the central lumen, and out the distal opening of the needle. The push rod is coupled to the outer handle such that the push rod moves axially relative to the inner handle when the outer handle is moved axially relative to the inner handle. Also described herein are nasal implant guides and methods of using nasal implant delivery tools and nasal implant guides.

Abstract: Systems, devices, and methods are provided for creating bone tunnels. In particular, described herein are embodiments of bone tunneling devices configured to create curvilinear tunnels in bone, as well as methods and devices relating thereto.

Abstract: A system for treating uterine tissue having a seal assembly configured for positioning in a patient's cervical canal and uterine cavity; an expandable distal balloon portion; an expandable elongate medial balloon portion configured for movement between a first transversely expanded shape for engaging a cervical canal and a second transversely non-expanded shape for trans-cervical insertion; and a fluid source in communication with distal balloon portion and medial balloon portion for expansion of said balloon portions.

Abstract: A robotic surgical system includes a robotic arm, a tool driver, and a surgical instrument. The robotic arm that includes a distal end. The tool driver is operatively coupled with the distal end of the robotic arm. The surgical instrument includes a uterine manipulator and a tool drive adapter. The uterine manipulator is configured to be inserted into a uterus of a patient. The tool drive adapter is configured to move from a non-engaged configuration to an engaged configuration. In the non-engaged configuration, the tool drive adapter is spaced a distance from the uterine manipulator. In the engaged configuration, the uterine manipulator and the tool drive adapter are engaged. The tool drive adapter is operatively coupled with the tool driver in the non-engaged and engaged configurations.

Abstract: A locking mechanism provides rotational stability to the threaded bone pins and other fixator components by modifying the opposing surfaces of the pin fixation bolt, the ring and other fixator components at their interface so that they can interlock with each other. A pin fixation bolt can be used to connect different diameter threaded bone pins. A multipurpose post enables variable angle and rotationally stable insertion of threaded bone pin and versatile use of the multipurpose post to replace currently available various fixator components. Plates enable rotationally stable, variable angle and variable position connection of the plates so that rings offset to each other can be connected without using oblique supports. Reversibly lockable hinges allow the hinge articulation to be locked or unlocked as desired, during the course of the treatment.

Abstract: Various embodiments and methods for improved joint repair are disclosed. At least some of the embodiments may include an adjustable loop construct with at least one anchor. At least some of the embodiments may include an all-suture anchor. At least some of the embodiments may include an adjustable loop construct with a locking passage. Embodiments may implement a method that reduces or avoids material removal from the bones of the joint. Embodiments may include means to reduce elongation of the repair over time.

Abstract: Methods for anterior fusion and posterior fusion spinal procedures are disclosed. The spinal procedure may be a minimally invasive procedure. An incision may be made on a back of a patient to provide percutaneous lateral access to a spine of the patient. The access point of Kambin's triangle may be used to reach an intervertebral disc space. Through the incision and with an anterior trajectory, an interbody cage may be inserted into the intervertebral disc space. Thereafter, through the same incision and with a posterior trajectory, a spinal fusion implant may be inserted into an interspinous process space or an interlaminar space. The procedure may be performed through a single incision. The same surgical instrumentation may be used for both the anterior fusion and the posterior fusion procedures.

Abstract: A monopedicular targeting system for posterior spinal surgery includes a first joint component, a fastener for affixing the first joint component to a single pedicle, a positioning arm having a second joint component for mating with the first joint component to form a first joint having three rotational degrees of freedom, and a connector for coupling the spinal surgery device to the positioning arm. The connector has a third joint component that mates with a fourth joint component of a spinal surgery device to form a second joint having three rotational degrees of freedom. A monopedicular targeting method for posterior spinal surgery includes affixing a fastener to a single pedicle and adjusting three translational degrees of freedom and three rotational degrees of freedom of a posterior spinal surgery device with respect to a pedicle of a vertebra by manipulating joints of a manipulator connecting the spinal surgery device to the fastener.

Abstract: A pedicle screw distractor and reduction instrument that includes a main body including a distraction tab and a reduction foot; a secondary link pivotably mounted to the main body; a drive link coupled between the secondary link and the distraction aperture; a distraction actuator coupled to the drive link and structured to move the main body relative the secondary link; a proximal anchor pivotably coupled to the secondary link and including a proximal anchor foot configured to engage a proximal pedicle screw; a distal anchor pivotably coupled to the main body and including a distal anchor foot configured to engage a distal pedicle screw; and a reduction actuator engaged between the reduction foot and the distal anchor to move the distal anchor foot relative to the main body.

Abstract: A femoral nail includes a proximal portion configured to engage a driving tool for driving the femoral nail into a femur, a distal portion remote from the proximal portion, and an intermediate portion extending from and between the proximal portion and distal portion. The intermediate portion has a circular screw hole and an elongated screw hole extending therethrough. The circular screw hole having a central axis, and the elongated screw hole having a first axis and a second axis that are separated by a distance. The central axis of the circular screw hole is located a distance from a proximal end of the femoral nail that is 61-64% of a total length of the femoral nail, and the first axis of the elongated screw hole is located a distance from the proximal end of the femoral nail that is 70-73% of the total length of the femoral nail.

Abstract: Described herein are retrograde femoral nails and insertion systems suitable for stabilizing femoral fractures of the shaft and femur. After reaming the femoral canal, the intramedullary nail may be inserted with a retrograde approach through the knee. The nail includes four-start threaded holes in the distal region. The nail also includes oblique distal holes with a trajectory that targets the bone in the posterior condyles. The insertion instrumentation assembly and system includes an insertion handle with a retaining thread that prevents the connection bolt from falling out. An assembly shaft is also included, which assists the user in connecting the nail to the insertion handle. The system further includes an aiming guide with a retention mechanism that holds driver sleeves in place. The aiming guide also contains a hole to position a locking washer holder to interface with the nail.

Abstract: The invention relates to a sternal reconstruction interface (100) comprising an elongate rectilinear body (101). The sternal reconstruction interface (100) comprises two protruding parts (102A, 102B) extending on either side along the elongate rectilinear body (101), each protruding part (102A, 102B) comprising a bevel, the protruding parts (102A, 102B) extending on one and the same plane along the entire length of the elongate rectilinear body (101), and fixing means (104) comprising at least two through-holes (104).

Abstract: An aiming guide system configured for connection to a bone plate including an aiming arm and a connection assembly. The aiming arm has a rigid body extending from a proximal end to a distal end with a plurality of aiming holes defined through the rigid body between the proximal end and the distal end thereof. The distal end defines an attachment slot through the body. The connection assembly is configured to engage an attachment screw hole of the bone plate and the attachment slot such that the aiming arm is fixed in position relative to the bone plate with each of the aiming holes aligned with a respective hole along the bone plate.

Abstract: An example apparatus is provided for placing a nail and a first anchor within a first bone, such as the fibula. The first anchor may include a proximal end and a distal end and may be configured for insertion into a first hole in the first bone, wherein the proximal end may be configured to interface with the nail.

Abstract: Aspects of the invention are drawn to a pelvic internal fixation system and methods of using the same to fix one hemipelvis to the other.

Abstract: In an illustrative embodiment, systems and methods for treating kidney disease in a human patient are disclosed. A method includes advancing a collapsible array of RF electrodes through a urinary tract of the patient in collapsed form and into a position in or near a renal pelvis. The effector is deployed to an expanded form to engage at least a portion of an interior wall of the renal pelvis. RF energy delivered through the array of electrodes target afferent nerves proximate the interior wall of the renal pelvis to inhibit or destroy their function. eGFR of the patient can be raised after treatment according to the method.

Abstract: A probe for ablating a marginal tissue region in a surgically created tissue cavity includes a shaft having a shell with an exterior heat transfer surface mounted on a distal region of the shaft. At least one temperature sensor is provided on the exterior heat transfer surface of the shell, and the exterior heat transfer surface contacts at least a portion of an inner surface of the surgically created tissue cavity when placed therein. A cryogenic system supplies cryogenic fluid to a supply lumen and removes the fluid through separate fluid removal lumen in the shaft.

Abstract: The present invention relates to a cosmetic composition intended for application to the epidermis for the treatment of skin hyperpigmentation, characterized in that it comprises from 1 to 7 doses of an atomized cryogenic fluid, the boiling point of which is between ?196° C. and ?19° C., each dose measuring between 0.048 mL and 0.56 mL, to a method for the in situ preparation of said composition, and to a cosmetic treatment method using said composition.

Abstract: Methods for treating a patient using therapeutic renal neuromodulation and associated devices, systems, and methods are disclosed herein. One aspect of the present technology is directed to methods including selectively neuromodulating afferent or efferent renal nerves. One or more measurable physiological parameters corresponding to systemic sympathetic overactivity or hyperactivity in the patient can thereby be reduced. Selectively neuromodulating afferent renal nerves can include inhibiting sympathetic neural activity in nerves proximate a renal pelvis. This can include, for example, neuromodulating via fluid within the renal pelvis. Selectively neuromodulating efferent renal nerves can include inhibiting sympathetic neural activity in nerves proximate a portion of a renal artery or a renal branch artery proximate a renal parenchyma. This can include, for example, neuromodulating via a therapeutic element within the portion of the renal artery or the renal branch artery.

Abstract: A technique allows for an electrical connection between a thermal abrasion heating catheter and the energy delivery console that utilizes serial communication. Accordingly, the serial communication allows data such as measured temperature, start/stop status, intended treatment area, device identification, device calibration parameters and/or use history to be conveyed along the same wires that deliver power to a heating element. For example, data can be conveyed along a two wire connection and provided at a frequency that is filtered out so that it is not delivered to a heating feature. In this example, one wire provides power to the heating element, one wire provided communication from the energy delivery console, and a third wire provides a common ground which the heating catheter uses to communicate with the energy delivery console.

Abstract: Apparatus and associated methods relate to controlling electrical power of an electrotherapeutic signal that is provided to a biological tissue engaged by an electrosurgical instrument during a medical procedure. Electrical power—a product of a voltage difference across and an electrical current conducted by the engaged biological tissue—is controlled according to a therapeutic schedule. The electrotherapeutic schedule can be reduced or terminated in response to a termination criterion being met. In some examples, the termination criterion is a current characteristic, such as, for example, a decrease in current conducted by the engaged biological tissue. In some examples, the termination criterion is a biological tissue resistance characteristic, such as, for example, an increase in the biological tissue resistance that exceeds a predetermined delta resistance value.

Abstract: A method for determining motional branch current in an ultrasonic transducer of an ultrasonic surgical device over multiple frequencies of a transducer drive signal. The method may comprise, at each of a plurality of frequencies of the transducer drive signal, oversampling a current and voltage of the transducer drive signal, receiving, by a processor, the current and voltage samples, and determining, by the processor, the motional branch current based on the current and voltage samples, a static capacitance of the ultrasonic transducer and the frequency of the transducer drive signal.

Abstract: A method for producing an electrode and an electrode. An electrode for an electrosurgical handheld instrument includes an electrically conductive wire made of a plurality of portions. In this case, two portions of the wire R1 and L1, which directly adjoin two ends of the wire, are aligned both parallel to one another and straight. Moreover, the two first portions R1 and L1 are adjoined by two second portions R2 and L2, which are likewise aligned both parallel to one another and straight. In this case, the portion R2 directly adjoins the portion R1 and the portion L2 directly adjoins the portion L1. The two portions R2 and L2 in turn are connected to one another via a further portion.