A61B2017/00402

Powered surgical instruments with firing system lockout arrangements

Surgical instruments and/or fastener apparatuses comprising an end effector with a pair of jaws pivoted at a proximal end thereof and movable between an open and closed position. At least one of the jaws may comprise a channel for receiving a cartridge containing a plurality of surgical fasteners. Also, an electrically powered actuator may be for deploying the surgical fasteners and may comprise a power source and a motor. An activation mechanism may be attached to the handle to move the pair of jaws from the open to the closed position and to activate the actuator. A lockout mechanism may be configured to permit current to flow from the power source to the motor when the pair of jaws is in the closed position and to prevent current from flowing to the power source to the motor when the pair of jaws is in the open position.

Endoscopy systems and methods of use thereof
11812985 · 2023-11-14 · ·

In some embodiments, endoscopy systems and/or methods of using endoscopy systems are described. In some embodiments, an endoscopy system comprises one or more of piezoelectric elements or hooked blades. In some embodiments, stylets for use with an endoscopy system are described. In some embodiments, the endoscopy systems are useful for orthopedic procedures. In some embodiments, the endoscopy systems are useful for arthroscopic procedures.

Adjustable implant, system and methods

Aspects of the disclosure relate to an adjustable implant configured to be implanted into a patient that includes an adjustable portion moveable relative to a housing. The adjustable implant may include various smart components for enhancing operation of the implant. Smart components may include a controller for managing operations and a transducer for communicating ultrasound data with an external interface device. Additional smart components may include a load cell within the housing for measuring an imparted load; a sensor for measuring angular position of the adjustable portion; a dual sensor arrangement for measuring imparted forces; a reed switch; a half piezo transducer; and an energy harvester.

DRIVING A PHACOEMULSIFIER ACTUATOR
20230338190 · 2023-10-26 ·

Methods and apparatuses provide a phacoemulsification probe, wherein the probe has a piezoelectric actuator coupled with a needle configured to be inserted into an eye of a patient; and a processor configured to sequentially drive the actuator electrically in a range of frequencies, to measure a respective electrical power input to the actuator at each of the frequencies in the range, to identify a frequency in the range of frequencies wherein a metric of the electrical power input is a maximum, and to estimate from the identified frequency a mechanical resonant frequency of the actuator, and to drive the actuator electrically at the mechanical resonant frequency.

System and method for driving an ultrasonic device

A system for driving an ultrasonic device for bone cement removal and/or osteotomy operations comprises a control unit, a memory unit, and a connector for connecting together the control unit and a handset of the ultrasonic device. The control unit is configured to send a signal to the handset, receive from the handset a response to the signal sent, and check an operating condition of the ultrasonic device based on this response. Related device, method and computer program are also disclosed.

FEEDBACK DEPENDENT LITHOTRIPSY ENERGY DELIVERY

A lithotripter is provided that includes a lithotripsy apparatus for treatment of a urinary tract stone by fragmentation. The lithotripsy apparatus includes a lithotripsy wave guide shaft configured to transmit an energy form to at least one urinary tract stone. The lithotripter includes a sensing device configured to provide signal data for determining optimal application of energy during treatment with the lithotripsy apparatus. The lithotripter includes a processor configured to collect the signal data and provide feedback to a user. The processor has a control logic configured to determine at least one of: a) if the lithotripsy wave guide shaft is in contact with a tissue; b) if the lithotripsy wave guide shaft is in contact with a stone; c) type of stone; d) if a user is applying force in excess of a predetermined threshold; and e) physical characteristics of a stone. A method is also provided.

BONE AND TISSUE RESECTION DEVICES AND METHODS

Embodiments of bone and tissue resection devices are disclosed herein. In one embodiment, a device can include a blade having a distal cutting edge configured to perform a cutting action that produces a plug or core from a media being cut by the cutting edge, a drive mechanism arranged to transfer an oscillating force to the cutting edge for oscillating the cutting edge, a shield positioned to block contact with a portion of the cutting edge, and a depth adjustment mechanism configured to translate the cutting edge along a proximal-distal axis of the shield to adjust an axial position of the cutting edge relative to the shield.

REMOTELY ADJUSTABLE INTERACTIVE IMPLANTABLE DEVICE
20220273342 · 2022-09-01 ·

Systems and methods for adjusting a curvature of a spine are provided. The systems may include an implant body, an actuator coupled to the implant body, a sensor configured to detect a parameter indicative of a biological condition, a transceiver, and a controller. The transceiver may be configured to transmit data associated with the parameter to an external remote control and receive instructions from the external remote control. Finally, the controller is configured to move the actuator in response to the instructions from the external remote control, wherein the actuator adjusts the implant body. The methods may include measuring a parameter indicative of a biological condition; transmitting data associated with the parameter from the implantable device to an external remote control; transmitting instructions from the external remote control to the implantable device; and actuating the implantable device in response to the instructions from the external remote control.

Pop-up laminate structures with integrated electronics

A multi-layer, super-planar laminate structure can be formed from distinctly patterned layers. The layers in the structure can include at least one rigid layer and at least one flexible layer; the rigid layer includes a plurality of rigid segments, and the flexible layer can extend between the rigid segments to serve as a joint. The layers are then stacked and bonded at selected locations to form a laminate structure with inter-layer bonds, and the laminate structure is flexed at the flexible layer between rigid segments to produce an expanded three-dimensional structure, wherein the layers are joined at the selected bonding locations and separated at other locations. A layer with electrical wiring can be included in the structure for delivering electric current to devices on or in the laminate structure.

SCORING BALLOON WITH TRANSLATING SCORING WIRES
20220257280 · 2022-08-18 ·

A device for introduction into a body vessel includes a shaft, a balloon positioned at the distal end of the shaft, a guidewire disposed longitudinally within the shaft to receive a guidewire during use, a balloon disposed at the distal end of the shaft, and longitudinal scoring wires to score a vascular lesion attached to the distal end of the shaft. The scoring wires are disposed over the balloon and disposed within the shaft. The proximal ends are welded or otherwise affixed to a spring mounted in the handle. The balloon expands when fluid is delivered to the balloon through the inflation lumen. This expansion pushes the scoring wires against the vascular lesion. The scoring wires attach to a source of vibrations. The scoring wires are made of a helical coil.