58 results about "Surgery hand" patented technology

The present disclosure includes apparatuses for a surgical handle assembly. An example apparatus includes a movable handle member and a switch configured to provide two or more modes of operation for the movable handle member and a driving pawl pivotally connected to a swing wheel configured to advance an actuation shaft linearly in a distal direction in response to actuation of the movable handle member.

A console of an ophthalmic surgical system is for operating a surgical handpiece which includes a treatment needle and a drive for driving the treatment needle by oscillation. The console includes a generator configured to provide a time-varying drive signal for the drive, an evaluation unit, and a detection unit. The detection unit is electrically couplable to the drive and detects a contact signal of the drive on account of a second oscillation amplitude in a low-oscillation state of the needle in which the needle oscillates at a maximum first oscillation amplitude. The generator provides the drive signal such that the drive is deactivated during the low-oscillation state. The evaluation unit evaluates the contact signal and determines contact of a particle with the needle on a basis of the evaluation. The detection unit detects the contact signal when the second oscillation amplitude is greater than the first oscillation amplitude.

In certain embodiments, a surgical handpiece system includes a phacoemulsification tip, a fluid management system, an ultrasonic drive system, and a controller. The phacoemulsification tip is attached to a shaft. The fluid management system is configured to manage inflow and outflow of fluid from an ocular surgical site. The ultrasonic drive system is configured to generate torsional and longitudinal vibrations in the phacoemulsification tip. The controller is configured to analyze applied voltage and current to the ultrasonic drive system using Fast Fourier Transforms (FFTs), and tune applied frequencies of the torsional and longitudinal vibrations according to at least one resonant frequency.

An ultrasonic tip for use with a surgical handpiece to produce both longitudinal and torsional motion. The ultrasonic tip comprises a shaft having a longitudinal axis extending between proximal and distal ends having respective first and second diameters with the first diameter greater than the second diameter. The ultrasonic tip also comprises a cutting feature coupled to the distal end of the shaft. The shaft defines an aspiration lumen that extends along the longitudinal axis of the shaft. A protrusion on the shaft is positioned between the distal end and the proximal end of the shaft. A portion of the protrusion having a third diameter, and the third diameter is less than the first diameter and the third diameter is greater than the second diameter. An aperture is defined by the protrusion and in fluid communication with the aspiration lumen, and the protrusion reinforces an area surrounding the aperture.

The invention discloses a microneedle surgical hand tool with a skin adsorption judgment function, and belongs to the technical field of radio frequency beauty medical instruments. In order to solve the problem that an existing microneedle surgery hand tool is insufficient in skin adsorption judgment, the skin adsorption judgment function is added to the microneedle surgery hand tool, the adsorption state between the skin and the hand tool can be monitored in real time, and therefore the insertion depth and position of a microneedle are accurately controlled, and the accuracy and safety of the microneedle surgery are improved.

The invention discloses a hand traction belt skin protection device for shoulder arthroscopy surgery, and relates to the technical field of medical instruments, the hand traction belt skin protection device comprises a traction assembly used for traction of a wrist, and an angle adjusting assembly used for changing the traction angle is arranged on the outer surface of one side of the traction assembly; a stepping assembly used for adjusting the height is arranged on the outer surface of one side of the angle adjusting assembly, the traction assembly comprises a traction belt body, and the outer surface of the traction belt body is fixedly connected with a buffering cushion layer used for dispersing pressure. According to the hand traction belt skin protection device for the shoulder arthroscopy operation, the traction assembly, the first hook-and-loop fastener and the second hook-and-loop fastener are detachably attached, so that the hand traction belt skin protection device can adapt to different wrist sizes, the viscosity is stable after attachment, and a certain traction force can be borne without falling off; the flexible material of the buffer cushion layer can disperse the contact pressure between the wrist and the traction belt, tissue damage caused by too large local pressure intensity is avoided, and therefore stable and comfortable fixation is achieved.

In certain embodiments, a surgical handpiece system includes a phacoemulsification tip, a fluid management system, an ultrasound drive system, and a controller. The phacoemulsification tip is attached to the shaft. The fluid management system is configured to manage inflow and outflow of fluid from an ocular surgical site. The ultrasonic drive system is configured to generate torsional and longitudinal vibrations in the phacoemulsification tip. The controller is configured to analyze a voltage and a current applied to the ultrasonic drive system using fast Fourier transform (FFT), and tune an application frequency of the torsional vibration and the longitudinal vibration according to at least one resonant frequency.

The present invention relates to a surgical shaft unit (6) of a or for a surgical instrument (2), and to a surgical instrument (2), in particular an electrosurgical instrument (2) having a minimally invasive shaft design, comprising the shaft unit (6), wherein a gearing (24) is designed such that a pivoting movement of an actuating lever (22) towards a handle element (21) is transformed into a translational movement of a transmission (14) in the proximal direction, in particular a proximally directed longitudinal movement of a pull / push rod (14).

A surgical navigation tracker assembly including a rotational adapter for removably attaching a tracker to a surgical instrument assembly including a surgical handpiece. The adapter may be coupled to an end effector of the surgical instrument and configured to allow the end effector to actuate relative to the adapter. The end effector may comprise a stop, the adapter configured to abut the stop when coupled to the end effector. The adapter may comprise a mount for releasably securing the tracker to the adapter. The adapter may also comprise a biasing element, and the biasing element may comprise an abutment interface configured to engage either of the surgical handpiece or the stop when the end effector is coupled to the surgical handpiece. The biasing element is configured to limit rotation of the adapter relative to the surgical handpiece when the abutment interface is engaged with the surgical handpiece or the stop.

A surgical handpiece comprises, in the form of a magazine, electronic components composed of a printed circuit board mounted on a hand grip part of the handpiece and various sensor modules provided on the printed circuit board, and the surgical handpiece is easy to maintain since the repair thereof is completed by replacing a magazine. The surgical handpiece comprises a pistol-shaped housing composed of the hand grip and a motor housing integrally formed on the top of the hand grip, wherein the hand grip comprises a grip body and a magazine groove which is formed inside the grip body and into which the magazine-type electronic component module is inserted and mounted.

To provide a surgical handpiece for measuring the depth of bore holes and related accessories thereof.SOLUTION: A drill bit comprises a shank extending along an axis and an interface comprising at least one outermost drive portion spaced at a first interface distance from the axis. The drill bit further comprises a resilient arm extending from a proximal end of the shank. The resilient arm comprises an outer arm surface facing away from the axis and a retention surface facing toward a distal end of the shank. The retention surface may be radially aligned about the axis with respect to the outermost drive portion. The resilient arm is movable between: a first position where the outer arm surface is spaced from the axis at a first arm distance greater than the first interface distance, and a second position where the outer arm surface is spaced from the axis at a second arm distance less than or equal to the first interface distance.SELECTED DRAWING: Figure 1

A surgical handpiece is provided herein. The surgical handpiece may include: an ultrasonic horn having a lumen and configured to couple with the needle; one or more piezoelectric elements coupled with the horn and configured to ultrasonically vibrate a distal end of the needle to emulsify material; an aspiration channel extending from the distal end of the needle and through the lumen of the horn creating an aspiration pathway; and at least one constriction on an inner surface of the lumen of the horn and into the aspiration pathway, wherein the at least one constriction is configured to emulsify the material proximally along the aspiration pathway from the distal end of the needle in response to the one or more piezoelectric elements.

The present disclosure relates to an ultrasonic surgical handpiece assembly comprising a surgical handpiece for use with an irrigation sleeve and ultrasonic tip. The surgical handpiece may comprise a piezoelectric transducer disposed within a housing and configured to manipulate the ultrasonic tip. One or more lumens and / or a flex circuit including an antenna may be disposed within the surgical handpiece housing. The lumen(s) may be configured to provide irrigation and / or aspiration to the irrigation sleeve and / or ultrasonic tip. The irrigation sleeve may comprise a second antenna configured to communicate with the ultrasonic handpiece antenna. The irrigation sleeve may further comprise and an alignment and / or coupling feature configured to removably secure the irrigation sleeve to the housing and orient the second antenna relative to the ultrasonic handpiece antenna. The irrigation sleeve may further comprise a lumen for supplying irrigation and / or aspiration to the ultrasonic tip.

A surgical handpiece system capable of determining a suitable screw length for bone fixation with a bone plate that compensates an initial screw length value based on orientation of the surgical handpiece system during a drilling process. The surgical handpiece system comprising a surgical handpiece including a depth measurement extension and a sensor. The depth measurement extension may be configured to determine a thickness of bone when a drill bit is attached and used to drill through the bone. The sensor may be configured to generate an orientation signal responsive to orientation of the depth measurement extension. The surgical handpiece system also comprises a processor in communication with the sensor and configured to determine the suitable screw length for bone fixation based the sensor.

A surgical handpiece is disclosed. The surgical handpiece includes a housing having a first end and a second end, a cable adjacent to the housing, the cable having an external surface, a visible light emitter disposed within the housing, and a strain relief member coupled to the external surface of the cable and disposed adjacent the first end of the housing, and the strain relief member being configured to transmit visible light emitted by the visible light emitter therethrough.

Arrangement (1) comprising an actuating element (4), a surgical hand instrument (8), a generator (13), and a control unit (24), wherein the control unit (24) is configured to detect an actuation (6) of the actuating element (4) and, in response to the actuation (6) thus detected, to trigger a control signal that switches on the energy output of the generator (13), wherein the control unit (24) is configured such that, if the actuation (6) is actuated for a duration (5) of more than a reference time (21), releasing (7) the actuating element (4) leads to an interruption of the energy output, and if the actuation (6) is actuated for a duration (5) of less than the reference time (21), releasing (7) the actuating element (4) does not lead to an interruption of the energy output, and a method for supplying a surgical hand instrument (8).

Disclosed is a handle of or for a surgical instrument, in particular an electrosurgical instrument of the minimally invasive shaft type, comprising a central handle housing (3) extending from distal to proximal, a combined coupling and rotation device (5) at the distal end section of the handle housing (3), which is provided and designed for the optional coupling of both an instrument shaft (7) to the central handle housing (3) and a transmission (9) mounted in the instrument shaft (7) to a gearbox (25) received in the central handle housing (3), and two diametrically opposed handle arms (13a, 13b) positioned on the handle housing (3), which extend from distal to proximal on both sides of the central handle housing (3) and which are articulated at their distal end sections on the handle housing (3), such thatthat they are movable towards and away from each other and force transmission elements or force transmission sections (33a, 33b, 41) which are formed or arranged on the distal end section of each handle branch (13a, 13b) and are in active engagement with the transmission (25) to transmit the handle branch movement to the transmission (9).

The invention provides an auxiliary tool, a handle, and a method for attaching a working instrument to a handle part of a surgical hand instrument, enabling the working instrument to be connected to the handle part of the surgical hand instrument in a secure and reliable manner. This is achieved by an auxiliary tool (25) consisting of a receiving body (26) that has a hole-like receiving volume (28) for receiving the tool (11). It is provided that a surgeon inserts a distal end of a working instrument (19) with the tool (11) into the receiving volume (28) of the receiving body (26) and then joins a shaft (18) of the working instrument (19) with the proximal end and a handle part (16), coupling them, for example, by snapping or twisting.

A surgical system includes a surgical handpiece having a handle housing, a connector extending from the handle housing and adapted to connect the surgical handpiece to a console, a tool releasably coupled with the handle housing, and orientation sensor disposed within the handle housing. The orientation sensor is configured to facilitate determination of an orientation of the surgical handpiece from between at least a use orientation and a change orientation. The surgical system may further include a console wherein a processor of the console determines the orientation.

A surgical system according to one or more embodiments may include: manipulators respectively supporting an endoscope and first and second surgical instruments; a remote control apparatus including a display device, a first operation handle for right hand to operate the first surgical instrument, and a second operation handle for left hand to operate the second surgical instrument; and a control apparatus. The control apparatus may display, on the display device, a graphical user interface, overlapped with the image captured by the endoscope, the graphical user interface including a first area that displays information on the first surgical instrument to be operated by the first operation handle, a second area that displays information on the second surgical instrument to be operated by the second operation handle, and a third area that displays information on the endoscope, which are arranged side by side in order from right to left.

To provide an ultrasonic surgical handpiece with a torsional transducer.SOLUTION: The surgical handpiece 12 includes a motor having a torsional transducer assembly along a central axis of the surgical handpiece 12. The motor is configured to operatively connect to the power source 24. The torsional transducer assembly includes a plurality of torsional transducers. Each torsional transducer has a support band surrounding the torsional transducer. The surgical handpiece 12 includes a surgical attachment having a first end 15 removably connected to the motor and a second end 13 defining a working surface for engaging biological tissue.SELECTED DRAWING: Figure 1

An apparatus, system and method for providing a surgical handpiece. The apparatus, system and method may include: an ultrasonic horn having an emulsifying needle at a distal end thereof; a plurality of piezoelements about a proximal end of the ultrasonic horn; a plurality of electrode segments comprising first sets of the electrode segments atop each of the piezoelements and second sets of the electrode segments below each of the piezoelements, and comprising at least pairs of the electrode segments in which each pair comprises an electrode segment atop a one of the piezoelements and a paired electrode segment below that one of the piezoelements; and a power source applied via a controlled double-pole, double-throw (DPDT) switch.

A geofencing system for a surgical handpiece with a cutting surface, including: a motion tracking system configured to track a location of the surgical handpiece; and an event detector configured to: receive a current measurement signal indicating a current usage of the surgical handpiece; receive motion information regarding the surgical handpiece from the motion tracking system; determine if the cutting surface has exited a second surface of a bone opposite a first surface where the cutting surface entered the bone based upon the current measurement signal and the motion information; and stop the surgical handpiece when it is determined that the cutting surface has exited the second surface of the bone.

Surgical tools and assemblies are employed for use in minimally invasive surgical (MIS) procedures. A surgical tool assembly includes a handle assembly and a frame assembly. The handle assembly and frame assembly are designed and constructed to have an articulation input joint and a grounding joint between them. A pitch rotational degree of freedom and a yaw rotational degree of freedom are provided by way of the articulation input joint. The handle assembly is translationally constrained relative to the frame assembly by way of the grounding joint. Intermediate bodies and joints can be provided in certain surgical tool assemblies and architectures.

A surgical navigation tracker assembly including a rotational adapter for removably attaching a tracker to a surgical instrument assembly including a surgical handpiece. The adapter may be coupled to an end effector of the surgical instrument and configured to allow the end effector to actuate relative to the adapter. The end effector may comprise a stop, the adapter configured to abut the stop when coupled to the end effector. The adapter may comprise a mount for releasably securing the tracker to the adapter. The adapter may also comprise a biasing element, and the biasing element may comprise an abutment interface configured to engage either of the surgical handpiece or the stop when the end effector is coupled to the surgical handpiece. The biasing element is configured to limit rotation of the adapter relative to the surgical handpiece when the abutment interface is engaged with the surgical handpiece or the stop.

A surgical sagittal saw blade for use with a surgical saw. The saw blade including a planar blade body having a proximal portion, an intermediate portion, and a distal portion. The proximal portion defines a geometric feature configured for mounting the saw blade to the surgical saw. The saw blade including a blade head extending from the distal portion of the planar blade body and including a plurality of teeth arranged adjacent to one another across at least a portion of a width of the blade head. Each of the plurality of teeth having a top surface and an opposed bottom surface and one of the top or the bottom surface of each of the plurality of teeth comprises is beveled. The beveling is alternatingly applied to the opposite of the top or the bottom surface of the adjacent teeth of each of the plurality of teeth.

1. The name of the product of this design: surgical handle (wired). 2. Purpose of the product with this design: The product with this design is used for surgery or examination with an electronic wired surgical hard mirror. 3. The design key point of this appearance design product lies in the overall shape of the appearance. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

An actuation mechanism for a surgical handpiece includes a trigger assembly extending along a translational path and a rotational linkage in connection with the trigger assembly that converts translational motion along the translational path to a rotational motion about the actuation path. A magnet is in connection with the rotational linkage. The magnet has opposing poles that rotate in response to the rotational motion.