61 results about "Ultrasonic Surgery" patented technology

An ultrasonic surgical instrument includes an end effector including an ultrasonic blade, an ultrasonic waveguide, an ultrasonic transducer assembly, and a carrier. The acoustic waveguide includes at least a proximal portion thereof extending along a longitudinal axis. The ultrasonic transducer assembly includes a fixation member and is operatively connected to the acoustic waveguide such that the acoustic waveguide is in acoustic communication with an ultrasonic transducer. The carrier has at least a portion thereof engaged with the fixation member of the ultrasonic transducer assembly thereby inhibiting movement of the ultrasonic transducer assembly relative to the carrier. The carrier movably supports the ultrasonic transducer assembly along the longitudinal axis such that the ultrasonic transducer assembly is configured to move from a proximal position on the longitudinal axis to a distal position on the longitudinal axis for inserting the ultrasonic blade into a patient.

A discectomy method entails removing at least a portion of a spinal lamina to form an access path in a patient. A surgical instrument is inserted along the path and a distal end of the instrument is placed in operative contact with herniated or bulging disc material of a spinal disc. The instrument is operated to remove the herniated or bulging disc material, to thereby space a remaining portion of the spinal disc from spinal nerves. A tip of an ultrasonic surgical probe is then placed into contact with an outer surface of the remaining portion of the spinal disc, and an ultrasonic mechanical standing wave generated in the probe while maintaining the operative tip in contact with the outer surface to harden the wall surface and thereby reduce chances of disc herniation at the outer surface.

An ultrasonic surgical device comprising of a proximal end and a distal end to be used in a robotic surgical system. The distal end comprises of a first jaw with an ultrasound transducer array and a second jaw with either a reflecting surface or an ultrasound transducer array. The distal end is configured to grasp a blood vessel or a living tissue. The proximal end is configured to apply a drive signal to the ultrasound transducer array. A plurality of rotary joints is connected at the distal end to facilitate its articulation. The ultrasound transducer array, generates acoustic vibrations in the grasped blood vessel, or living tissue, based on the applied drive signal by a control system of the robotic surgical system. The ultrasound transducer array, is configured to sense parameters of a target site on a grasped blood vessel or living tissue, based on the reflected acoustic vibrations.

A surgical handpiece includes a motor that has a torsional transducer assembly along a central axis of the surgical handpiece. The motor is configured for operative connection to a power source. The torsional transducer assembly includes a plurality of torsional transducers. Each torsional transducer has a support band surrounding the torsional transducer. The surgical handpiece includes a surgical attachment that has a first end detachably connected to the motor and a second end defining a working plane for engagement with biological tissue.

A generator comprising an interface and a control circuit is disclosed. The interface is to electrically couple to an ultrasonic surgical instrument comprising a switch. The switch is configurable between a first switch state and a second switch state. The control circuit is to provide a continuous drive signal to the ultrasonic surgical instrument based on the switch being in the first switch state. The control circuit is to provide a pulsed drive signal to the ultrasonic surgical instrument based on the switch being in the second switch state.

The invention relates to the technical field of ultrasonic scalpels, in particular to an ultrasonic scalpel for pediatric surgery, which comprises a handle part, and a beveling blade surface, a main blade surface and an auxiliary blade surface which are arranged on the handle part, the auxiliary blade face extends from the cutter head end to the tail end to form a second transition blade face, the second transition blade face is designed to be an inwards-concave arc face, an assembling groove is formed in the handle portion, a capsule type flushing head is rotationally installed in the assembling groove in a damping mode, the capsule type flushing head is in a notch shape, and the capsule type flushing head is connected with the auxiliary blade face. The two ends of the capsule type flushing head are the output end and the tail end respectively, an open window communicated with the assembling groove is formed in the outer wall of the arc face of the second transition blade face, the output end of the capsule type flushing head is allowed to rotate out through the open window, and a first straight pipeline is arranged in the handle part in the direction from the cutter handle to the cutter head. The three-effect integrated function of debridement crushing, flushing dosing and waste liquid suction is achieved, flushing dosing can be conducted in time after debridement crushing, and a flushing channel in the tool bit is perfected.

A system configured to control operation of an ultrasonic surgical instrument is disclosed. The system comprises a generator configured to generate a signal, and a computer communicably coupled to the generator. The computer is configured to receive a first set of variables corresponding to a first signal at a first power level of the instrument, evaluate the first set of variables with a model to generate a first output, wherein the first output comprises a value between the first set of variables and a condition set, and wherein the condition set comprises a plurality of conditions that correspond to a plurality of responses, determine the first output meets a first threshold value for a first condition; determine a first response corresponding to the first condition, wherein the first response is a second power level for the instrument, and transmit the second power level to the generator for a second signal.

The utility model belongs to the technical field of medical instruments, and discloses a shear type ultrasonic surgical instrument with a forcep head included angle. The shear type ultrasonic surgical instrument comprises a cutter bar assembly and a movable assembly, the cutter bar assembly comprises a waveguide rod, a fixed support and a holding structure, the waveguide rod is sleeved with the fixed support, and a cutter point of the waveguide rod is exposed out of the first end of the fixed support; the movable assembly comprises a movable support, the movable support is rotationally connected with the fixed support through a rotating shaft piece, a clamping arm is arranged at the first end of the movable support, a second annular handle is arranged at the second end of the movable support, and the clamping arm pivots relative to the tool nose to form clamping closing and opening. The working surface of the clamping arm is an inclined plane, an included angle theta is formed between the working surface of the clamping arm and the working surface of the tool nose when the working surface of the clamping arm and the working surface of the tool nose start to be in contact, and the included angle theta is larger than or equal to 1 degree and smaller than or equal to 5 degrees. According to the shear type ultrasonic surgical instrument, a large angle can be formed between the clamping arm and the tool nose, the clamping force is uniform, the cutting speed is stable, operation is convenient, and the shearing accuracy is improved.

An energy instrument for surgery and an ultrasonic scalpel are provided. The instrument comprises a built-in battery, a control unit, a first power-consumption circuit and a second power-consumption circuit, wherein the first power-consumption circuit is electrically connected to the control unit, and power consumption of the second power-consumption circuit in a working state is greater than power consumption of the first power-consumption circuit in a working state; when the instrument is not connected to an external power supply, the control unit and the first power-consumption circuit can be triggered to respectively connect a loop with the built-in battery; and the second power-consumption circuit stays in stop working state when the instrument is not connected to the external power supply. When the instrument is not connected to the external power supply, a small-power-consumption circuit can be triggered to run temporarily, and a large-power-consumption circuit is not connected to the built-in battery.

An ultrasonic surgical tool system with a tip capable of simultaneously vibrating in plural modes. The system includes a console capable of supplying a drive signal to the tip that includes plural components. Each component has a frequency characteristic that is based in part on the equivalent of current through the mechanical components of the tip. The frequency components are different from each other. Based on the application of drive signal the tip undergoes non-linear vibrations.

An ultrasonic scalpel, an energy instrument for surgery, and a power adjustment method therefor. The ultrasonic scalpel comprises a handheld component, a control module, an ultrasonic generator, and an ultrasonic cutter head, and further comprises the following modules: a load detection module, which is configured to detect the load conditions of the ultrasonic cutter head, the load detection module being electrically connected to an input end of the control module; a power conversion module, an input side thereof being electrically connected to an output end of the control module, and an output side thereof being electrically connected to the ultrasonic generator; the control module is configured to receive a detection signal from the load detection module, and when an activation button is pressed, the control module controls the power conversion module to adjust the output power of the ultrasonic generator.

The embodiment of the utility model discloses an ultrasonic scalpel rod, an ultrasonic scalpel handle and an ultrasonic surgical instrument, the ultrasonic scalpel rod transmits ultrasonic waves from the bottom end to the top end, and the top end of the ultrasonic scalpel rod corresponds to the maximum amplitude point of the ultrasonic waves; the length of the ultrasonic scalpel rod is a preset integral multiple of the half-wavelength of ultrasonic waves, and the preset integral multiple is larger than or equal to 5 times and smaller than or equal to 11 times; the area of the cross section of the energy output end of the ultrasonic scalpel rod is gradually reduced from the bottom to the top end. According to the embodiment of the invention, the overall mechanical strength of the cutter bar can be higher, the risk of breakage is reduced, ultrasonic waves can be output with maximum energy, and the surgical effect is improved.

A method and system for estimating a 3D pose of an ultrasound probe based on acquired 2D ultrasound images. During surgery, the 3D probe pose is projected to a corresponding 2D location on the 2D laparoscopic image. An ultrasound probe is placed at / near a selected one of the 3D probe poses to acquire a 2D ultrasound image from which an anatomical structure (AS) is detected and used to generate an AS mask (ASM). The 3D probe pose of the ultrasound probe is estimated based on the ASM using an ASM pose mapping model and used to generate an optimal 3D probe pose estimate.

The ultrasonic surgical instrument includes a handpiece casing and an electromechanical transducer assembly disposed within the handpiece casing, where the transducer assembly includes a forward driver, the transducer assembly having a longitudinal axis. A probe is operatively connected to the forward driver at an acute angle relative to the longitudinal axis of the transducer assembly. A sheath surrounds the probe and is connected to the handpiece casing at a proximal end. The sheath is attached to the casing by a twist-type quick release connection. A diaphragm seal disposed within the proximal end of the sheath prevents liquid irrigant in a cylindrical space between the sheath and the probe from entering a location proximal to a port that supplies irrigant to the space. The forward driver is geometrically configured to allow for an angled connection between the probe and the handpiece near a nodal plane.

A surgical instrument includes a housing having an elongated body extending distally therefrom. The elongated body defines a first articulating portion and a second articulating portion. The elongated body defines a lumen therein. An end effector is supported at a distal end portion of the elongated body. A flexible waveguide extends through the lumen of the elongated body. A proximal end portion of the flexible waveguide connects to an ultrasonic transducer. A distal end portion of the flexible waveguide is connected with the end effector, the flexible waveguide defines a first articulating portion having a narrower thickness than a thickness of other portions of the flexible waveguide and a second articulating portion having a narrower thickness than a thickness of other portions of the flexible waveguide.

The veterinary tool cleaning device comprises an outer frame, a cavity is formed in the front end of the outer frame, a sealing door is movably installed at an opening in the front end of the outer frame, a control panel is installed at the front end of the outer frame, and the control panel is located below the cavity. The cleaning device further comprises a fixed cleaning mechanism, the fixed cleaning mechanism comprises a current-conducting plate and a sealing frame, and the current-conducting plate is fixedly installed on the inner side wall of the cavity. According to the ultrasonic cleaning device, targeted fixing and comprehensive cleaning of tools such as metal syringes and ultrasonic scalpels can be conveniently and efficiently completed, and meanwhile, the cleaning effect and cleaning efficiency of the parts, located in the sealing frame, of the tools can be effectively improved through mutual cooperation of a pressurizing and heating mechanism and an ultrasonic auxiliary mechanism; and by means of spraying of a spraying head in the auxiliary cleaning mechanism and the adsorption effect and vertical reciprocating motion of an electromagnetic plate, the cleaning effect of the part, located in the upper cleaning cavity, of the tool can be effectively improved.

A focused ultrasound procedure device according to the present invention comprises: a plurality of capacitive micromachined ultrasonic transducers (CMUT), each of which includes a plurality of elements; a calculation unit that calculates an output depth for outputting high-intensity focused ultrasound (HIFU) on the basis of a real-time ultrasound image provided according to ultrasound for image acquisition, the ultrasound for image acquisition being output by a first element that is at least one of the plurality of elements; and a control unit that controls the first element to output the ultrasound for image acquisition and controls a second element, which is at least one of the plurality of elements, to output the high-intensity focused ultrasound on the basis of the output depth. Accordingly, the output depth can be set to be suitable for the skin thickness of each subject of the procedure, and can be changed without replacing components or modules.

A control system for an ultrasonic surgical device has a console operatively connected to a power source and configured for detachable connection to the ultrasonic surgical device. A control circuit of the console is configured to regulate an operating signal to correspond to the operating characteristics of the ultrasonic surgical handpiece in response to a loading signal. An operator input of the console operatively connects to the control circuit to provide a control signal.

The utility model discloses an ultrasonic scalpel rod which comprises an upper rod body and a lower rod body in butt joint with the end portion of the upper rod body, fixing structures used for locking and fixing the end portion of the lower rod body are arranged on the two sides of the end portion of the upper rod body respectively, an inserting hole is formed in the middle of the end portion of the upper rod body, inserting grooves are formed in the two sides of the inserting hole respectively, and the inserting grooves are communicated with the inserting holes. And the end part of the lower rod body is respectively provided with an insertion column and an insertion plate which are distributed corresponding to the insertion hole and the insertion groove. According to the utility model, a lever structure is formed among the straight section, the warping section, the pressing section, the connecting seat and the fixed seat, and under the action of the spring and the inserting block, the inserting plate at the end part of the lower rod body can be conveniently locked and fixed, so that the upper rod body and the lower rod body can be conveniently assembled and disassembled in a butt joint manner; and when the ultrasonic scalpel needs to be replaced, only the lower rod body needs to be detached from the upper rod body and replaced, so that the cost is reduced, and the operation is simple and rapid.

The application discloses a multifunctional surgical dissector, which comprises a hollow shell, an electrode knife head, a PCB board, a high-frequency electrotome conductive sheet, an ultrasonic input conductive sheet, an ultrasonic output conductive sheet, a function switching knob and an ultrasonic transducer. The function switching knob is rotated to control the conduction route. When the function switching knob is rotated to the high-frequency electrotome conductive sheet and the ultrasonic input conductive sheet and the ultrasonic output conductive sheet are all conducted, the electrode knife head can have high-efficiency cutting of the high-frequency electrotome, and can significantly reduce tissue adhesion and thermal damage by using the vibration characteristics of the ultrasonic surgical knife, thereby improving the operation efficiency. When the function switching knob is rotated to only connect the high-frequency electrotome conductive sheet, the device can be used as a high-frequency electrotome alone. When the function switching knob is rotated to only connect the ultrasonic input conductive sheet and the ultrasonic output conductive sheet, the device can be used as an ultrasonic surgical knife alone, so that the device has multiple functions and is suitable for various surgical environments.

The invention discloses a dual-power supply system for a surgical ultrasonic knife, and the system comprises a power plug which is connected with an AC / 220V power supply; the ultrasonic knife equipment power switch is connected between the power plug and the ultrasonic knife equipment and is manually turned on; the battery charger is connected between the power plug and the standby battery; a standby battery charged by the battery charger; and the inverter power supply is connected between the standby battery and the ultrasonic knife equipment and provides alternating current power supply for the ultrasonic knife equipment. When the AC / 220V alternating current power supply supplies power, the ultrasonic scalpel equipment works normally, meanwhile, a battery of the standby inverter power supply is automatically charged, when the AC / 220V alternating current power supply is powered off, an external power supply of the ultrasonic scalpel equipment is powered off, the standby inverter power supply is automatically started, DC / 12V electricity of the battery is converted into AC / 220V alternating current to be continuously used by the ultrasonic scalpel, the operation process is not affected, and the ultrasonic scalpel can be used continuously. The problem of sudden power failure in an ultrasonic scalpel operation or power failure before the operation is solved, and normal operation of equipment under unforeseen circumstances is ensured.

A surgical needle assembly for attachment to an ultrasonic handpiece includes an elongated metal cannula having a distal end and a proximal end. A hub is insert molded onto the cannula generally towards the cannula proximal end and formed from a material having an ultimate strength at least twice a peak cyclical stress force at a joint between the elongated metal cannula and the hub when the surgical needle assembly is in use with the ultrasonic handpiece. The hub material has a stiffness sufficient to limit a motion of the elongated metal cannula to less than 1.5 times an expected peak to peak stroke length when the surgical needle assembly is in use with the ultrasonic handpiece. The hub includes structure for mating attachment to the ultrasonic handpiece.

The present invention relates to a smoking type ultrasonic surgical knife, which has a shell, the shell is rotatably connected with a universal wheel, the shell passes through and is fixedly connected with a first tracheal joint and a second tracheal joint, the first tracheal joint and the second tracheal joint are sealed and connected, the interior of the universal wheel is provided with a universal wheel sealed inner cavity, the first tracheal joint is connected to the universal wheel sealed inner cavity, and the two ends of the outer sleeve are respectively provided with an outer sleeve air inlet and an outer sleeve air outlet, and the outer sleeve air outlet is connected to the universal wheel sealed inner cavity. The present invention has a stable structure and a sophisticated design, and can discharge gas and liquid, effectively preventing gas and liquid from affecting the clarity of the endoscope lens. At the same time, the universal wheel sealed inner cavity is provided with a sealing rotating structure corresponding to the first tracheal joint, which can effectively discharge gas and liquid without affecting the use of the universal wheel.

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.

The invention provides a universal bendable bionic ultrasonic scalpel, and relates to the technical field of scalpels. The universal bendable bionic ultrasonic scalpel comprises a transducer assembly, a scalpel rod assembly, a bionic waveform scalpel head assembly, a bending assembly and a driving assembly, the scalpel rod assembly is connected with the transducer assembly, the scalpel head assembly comprises a scalpel head of a bionic waveform tooth structure, the scalpel head is connected with the scalpel rod assembly, and the bending assembly is connected between the scalpel head assembly and the scalpel rod assembly. The driving assembly is connected with the transducer assembly and is configured to drive the bending assembly to bend; wherein the bending assembly comprises a plurality of movable joints, and every two adjacent movable joints in the movable joints are arranged in a hinged mode. According to the universal bendable bionic ultrasonic scalpel, the bending function can be achieved, the flexibility of an operation can be improved, the operation range of the operation can be widened, the scalpel head of the scalpel head assembly is of a bionic waveform tooth structure, the local stress concentration and the cavitation effect of the ultrasonic scalpel are enhanced, the transmission efficiency of interface energy is improved, and therefore the cutting efficiency is greatly improved.

A reusable ultrasonic scalpel comprising a handle assembly and an ultrasonic waveguide extended to the distal end transmitting ultrasonic mechanical energy. Outside the ultrasonic waveguide is a sheath assembly, and the sheath assembly is detachably connected to the handle assembly by a quick connecting mechanism. The beneficial effects are mainly reflected on: reliable installation, easy to disassemble, easy to clean and disinfect. The sheath assembly serving as a consumable may be quickly replaced, while the remaining parts may be reused, and may undergo cleaning and high temperature steam sterilization. Thus, the cost of surgical consumables is greatly reduced, the burden on patients is reduced, and the risk of cross-infection when using the ultrasonic scalpel bar is also reduced.

The present invention belongs to the field of medical technology and relates to a device for ablating tissue. It particularly relates to a sonotrode suitable for use with an ultrasonic surgical instrument. The present invention also relates to an ultrasonic surgical instrument for ablating tissue comprising such a sonotrode, as well as a method for manufacturing the sonotrode of the present invention and a method for ablation using the sonotrode of the present invention.

A surgical apparatus comprises a body, an ultrasonic transducer, a shaft, and an end effector. The ultrasonic transducer is operable to convert electrical power into ultrasonic vibrations. The body comprises a pivotal trigger. The shaft couples the end effector and the body together. The end effector comprises a clamp arm and an ultrasonic blade in acoustic communication with the ultrasonic transducer. The ultrasonic blade is operable to deliver ultrasonic vibrations to tissue. Pivotal movement of the trigger causes movement of the clamp arm. The trigger includes a compliant feature configured to limit the amount of force delivered to tissue by the clamp arm. The flexible feature may comprise a flexible band, living hinge, a series of living hinges, or a flexible tab.

An ultrasonic surgical instrument including an ultrasonically actuated blade or end effector having a treatment portion. The blade can define a central axis and at least one axis which is transverse to the central axis, wherein the transverse axis can lie within a plane which is perpendicular, or normal, to the longitudinal axis and can define a cross-section of the treatment portion. Such a cross-section can include a central portion and a step extending from the central portion, wherein the central portion can comprise a width, and wherein the step can comprise a cutting edge. In at least one embodiment, the cutting edge can be defined by first and second surfaces which define an angle therebetween. In various embodiments, the position of the cutting edge and / or the angle between the cutting edge surfaces can be selected in order to balance the blade with respect to the transverse axis.