53 results about "Electrical shock" patented technology

A blood pump system includes a catheter, a pump housing disposed distal of a distal end of the catheter, a rotor positioned at least partially in the pump housing, a controller, and an electrode coupled a distal region of the blood pump. The electrode can be used to sense electrocardiogram (EKG) signals and transmit the signals to a controller of the blood pump. The operation of the blood pump can be adjusted based on the EKG signal and on cardiac parameters derived from the EKG signal. Further, the controller can determine a need for defibrillation or pacing of the patient's heart based on the signal and can administer treatment with electrical shocks to the heart via the electrode coupled to the blood pump. The use of an electrode with a blood pump already in place in the heart allows for more efficient and safer treatment of serious cardiac conditions.

An electric energy metering device, a charge controller, a charging pile, and a leakage protection method therefor. The electric energy metering device comprises a metering circuit (201), an insulation detection circuit (203) and an adhesion detection circuit (202). A sampling pin (1# and 2# or 7# and 8#) of at least one side of the adhesion detection circuit is correspondingly connected to a sampling pin of another circuit that is used for performing sampling on the same position. External connection of any two connected sampling pins is achieved by means of a same interface on the electric energy metering device, so that the connected sampling pins can share a same sampling wire harness, thereby reducing the number of sampling wire harnesses, and preventing problems such as complicated wire connection and scattered and disorganized internal wiring of charging piles. In addition, circuit breakers having a leakage protection function in the prior art may also be omitted, and a leakage threshold for implementing leakage protection may be set according to the current working condition of charging piles, thus achieving a balance between prevention of unwanted tripping and electrical shock protection.

The present invention provides an intelligent gripping and wire clamp mounting device for a fully automatic drainage operation, and an operation method. The device comprises: a wire clamp body, used for fixing a drainage wire; a wire clamp fixing mechanism, used for fixing and positioning the wire clamp body; a wire clamp gripper, used for gripping the wire clamp body from the wire clamp fixing mechanism and connecting the wire clamp body to an electrified cable to complete a drainage operation; and an operation platform, connected to the wire clamp gripper and providing electrical power for the wire clamp gripper. According to the present invention, during use, the wire clamp fixing mechanism is mounted on a composite insulator of a cross arm of a 10 kV pole and tower, the design of the wire clamp fixing mechanism can safely fix a drainage wire clamp for a long time, and is suitable for a complex severe weather environment, and manual deployment and automatic robot gripping are facilitated. According to the wire clamp gripper of the present invention, a pneumatic motor serves as a driving force device for tightening a screw, and a pneumatic push rod serves as a power device of the wire clamp gripper. Mutual decoupling is achieved, electromagnetic interference is avoided, the electric insulativity is high, the cost is low, and technical popularization is easy. An operator is far away from an electrified cable, so that the electrical shock risk is reduced. The labor intensity is reduced, and the operation efficiency is improved.

A chest freezer plunge power safety system is configured to prevent any chance of electrical shock by disconnecting power to the chest freezer when the freezer door is opened. Chest freezers are often filled with water that is chilled by the freezer and used for cold plunge therapy. A person will open the freezer door and submerge their body or portion of their body in the cold water. One or more sensors are configured to detect when the freezer door is opened. The sensor or sensors are coupled with a contactor that disconnects power from a power source to the chest freezer. The sensor element may be attached to the freezer door and configured to be detected by the sensor when the freezer door is in a closed position. The sensor may be coupled with a controller that controls the function of the contactor to open or close the circuit.

The utility model relates to the technical field of clamps, and provides an electrical impact experiment clamp which comprises a bottom plate and a fixing plate in contact with an electrical apparatus element, the tops of the two sides of the bottom plate are provided with first supporting plates, the top of the bottom plate is provided with two second supporting plates, and the second supporting plates are arranged between the two first supporting plates. The two second supporting plates are rotationally connected with connecting plates, the fixing plates are arranged at the bottoms of the connecting plates, the connecting plates are provided with adjusting assemblies used for adjusting the positions of the fixing plates, and the bottom plate is provided with a manual fixing mechanism used for fixing the connecting plates. By means of the technical scheme, the problems that when an operator clamps electrical components of different models, time and labor are wasted in operation, and the technical requirement for the operator is high are solved.

Disclosed is a cylindrical tube placed at the top unit and ramps positioned into grooves on the base unit, wherein the rodent climbs one of the ramps in forward or aft directions into first end of the tube. The device also includes electrically charged thin metal plates on interior diameter of the tube. A PCB is located in the base unit below the tube and connected with metal plates to apply electrical shock to the rodent when the rodent touches the metal plates. The device further includes an electric motor at the base unit. A compression spring is configured horizontally in the middle part of tube and held back by PCB in first position. Subsequent to applying electric shock, the PCB releases the line to move spring to second position to extrude the rodent by first spring cap, such that the rodent is pushed and projected away from the device.

A medical device hub power management system and apparatus are disclosed. An example hub connectivity station (100) includes a connectivity stage (104) configured to provide a data connection with an external network. The hub connectivity station also includes at least one docking apparatus (106) configured to connect to at least one medical device. The docking apparatuses are connected to the connectivity station in a stacked arrangement. The docking apparatuses and connectivity stage include power and data connectors to enable data and power to be provided through the hub connectivity station. To prevent electrical shock, a top power connector of each docking apparatus is disconnected from power when that docking apparatus is not connected to another docking apparatus or the connectivity stage. Power is provided to the top power connector after detecting another docking apparatus or the connectivity stage is connected to the top of the docking apparatus.

Wearable devices are provided herein including wearable defibrillators, wearable devices for diagnosing symptoms associated with sleep apnea, and wearable devices for diagnosing symptoms associated with heart failure. The wearable external defibrillators can include a plurality of ECG sensing electrodes and a first defibrillator electrode pad and a second defibrillator electrode pad. The ECG sensing electrodes and the defibrillator electrode pads are configured for long term wear. Methods are also provided for using the wearable external defibrillators to analyze cardiac signals of the wearer and to provide an electrical shock if a treatable arrhythmia is detected. Methods are also disclosed for refurbishing wearable defibrillators. Methods of using wearable devices for diagnosing symptoms associated with sleep apnea and for diagnosing symptoms associated with heart failure are also provided.

Various techniques related to post-treatment parameters of patients are described. An example method includes identifying a segment of an electrocardiogram (ECG) of an individual, wherein the segment is detected during a time interval that begins when an electrical shock is output to the individual's heart. The method further includes identifying a parameter of the electrical shock and generating a report including the segment of the ECG and indicating the parameter of the electrical shock. The report is output or transmitted to an external device.

A subcutaneous implantable medical device and method (SIMD) provided. A pulse generator (PG) is configured to be positioned subcutaneously within a lateral region of a chest of a patient. The PG has a housing that includes a PG electrode. The PG has an electronics module. An elongated lead is electrically coupled to the pulse generator. The elongated lead includes a first electrode that is configured to be positioned along a first parasternal region proximate a sternum of the patient and a second electrode that is configured to be positioned at an anterior region of the patient. The first and second electrodes are coupled to be electrically common with one another. The electronics module is configured to provide electrical shocks for antiarrhythmic therapy along at least one shocking vector between the PG electrode and the first and second electrodes.

The invention describes a Life-saving device consisting of two synchronized suction cups designed to assist in emergency intervention during sudden cardiac arrest. Each suction cup integrates ECG sensors to monitor the patient's heart rhythm, a defibrillation module capable of delivering an electrical shock automatically or manually, and a voice guidance system that assists the user during cardiopulmonary resuscitation (CPR). The device also includes a GPS communication module for transmitting data to emergency services in real time and a "black box" for post-event data recording. An automatic and rechargeable conductive gel distribution system ensures optimal electrical conductivity, minimizing the risk of skin burns. The synchronized suction cups are controlled via a wireless remote, delivering the defibrillation shock effectively through the heart and improving the likelihood of restoring normal cardiac rhythm within the shortest possible time after the event.

A virtual combat training system includes a plurality of shock units adapted to attach to a different part of a body of a trainee, a helmet to display a virtual environment, a body node on the body of the trainee and a central control unit remote from the trainee. The central control unit tracks location data of the shock units including absolute position of each shock unit in relation to the central control unit and a relative position of each shock unit in relation to the other shock units, determines a location and orientation of the trainee, transmits actuation signals to the shock units to simulate an injury in response to events occurring within the virtual environment based on the location and the orientation of the trainee, and transmits virtual environment data to the virtual technology helmet. The body node communicates between the shock units and the central control unit.

An example method includes receiving, by a multi-shock accessory device, a multi-shock instruction from a defibrillator, the multi-shock instruction indicating a time interval between a primary electrical shock and a secondary electrical shock. In response to receiving the multi-shock instruction, the example method includes causing, by the multi-shock accessory device, a treatment circuit of the multi-shock accessory device to output a secondary electrical shock to electrodes disposed on skin of a subject; or causing, by the multi-shock accessory device, a capacitor of the multi-shock accessory device to discharge the secondary electrical shock to the electrodes.

An example method includes identifying feedback from electrical signals output along multiple vectors to multiple electrodes configured to be disposed on skin of a subject. The method further includes selecting, among the multiple vectors, an optimal vector by analyzing the feedback; and identifying, among the multiple electrodes, a first electrode and a second electrode associated with the optimal vector. In response to identifying the first electrode and the second electrode associated with the optimal vector, a recommendation to administer an electrical shock to the first electrode and the second electrode is output; or the electrical shock is output to the first electrode and the second electrode.

Wearable devices are provided herein including wearable defibrillators, wearable devices for diagnosing symptoms associated with sleep apnea, and wearable devices for diagnosing symptoms associated with heart failure. The wearable external defibrillators can include a plurality of ECG sensing electrodes and a first defibrillator electrode pad and a second defibrillator electrode pad. The ECG sensing electrodes and the defibrillator electrode pads are configured for long term wear. Methods are also provided for using the wearable external defibrillators to analyze cardiac signals of the wearer and to provide an electrical shock if a treatable arrhythmia is detected. Methods are also disclosed for refurbishing wearable defibrillators. Methods of using wearable devices for diagnosing symptoms associated with sleep apnea and for diagnosing symptoms associated with heart failure are also provided.

The utility model is applicable to the technical field of aluminum bus electrical shock corrosion surface treatment, and provides a high-precision milling machine which comprises a main frame mounted on electrolytic bath equipment and a milling mechanism for milling aluminum welding slag on an aluminum bus electrical shock corrosion surface of the electrolytic bath equipment, wherein a lifting assembly is mounted on the main frame and is used for lifting the milling mechanism so as to feed a corrosion surface up and down; and a horizontal moving assembly is assembled on the lifting assembly and is used for horizontally moving the milling mechanism so as to feed a corrosion surface. According to the high-precision milling machine provided by the scheme, through the application of the linear sliding rail, the cutter feeding motion in the vertical direction and the cutter feeding motion in the horizontal direction of the milling mechanism are more stable, the stress of the cutter head in the rotating process is more uniform, the rotation is more stable, and the milling precision and efficiency can be improved.

A blood pump system includes a catheter, a pump housing disposed distal of a distal end of the catheter, a rotor positioned at least partially in the pump housing, a controller, and an electrode coupled a distal region of the blood pump. The electrode can be used to sense electrocardiogram (EKG) signals and transmit the signals to a controller of the blood pump. The operation of the blood pump can be adjusted based on the EKG signal and on cardiac parameters derived from the EKG signal. Further, the controller can determine a need for defibrillation or pacing of the patient's heart based on the signal and can administer treatment with electrical shocks to the heart via the electrode coupled to the blood pump. The use of an electrode with a blood pump already in place in the heart allows for more efficient and safer treatment of serious cardiac conditions.

Disclosed is a wearable cardiac therapeutic system including a plurality of therapy electrodes disposed in a garment and a fluid pressure source including a barrel configured to house conductive gel, and an actuation mechanism. A therapy controller is configured to detect an arrhythmic event in a patient based on sensed electrical activity of the patient's heart, initiate an activation signal indicating that the conductive gel is to be released on to the body of the patient, and cause the delivery of one or more electrical therapeutic shocks to the heart of the patient. Gel activator circuitry is configured to receive the activation signal from the therapy controller, and cause the fluid pressure source to expel the conductive gel onto the body of the patient proximate the one or more of the therapy electrodes and prior to the delivery of the one or more electrical shocks to the patient.

A blood pump system includes a catheter, a pump housing disposed distal of a distal end of the catheter, a rotor positioned at least partially in the pump housing, a controller, and an electrode coupled to a distal region of the blood pump. The electrode can be used to sense an electrocardiogram (EKG) signal and transmit the signal to the controller of the blood pump. Operation of the blood pump can be adjusted based on the EKG signal and cardiac parameters derived from the EKG signal. Further, the controller can determine a need for defibrillation or pacing of a heart of a patient based on the signal and can administer an electrical shock therapy to the heart via the electrode coupled to the blood pump. The use of the electrode with the blood pump already placed in the heart allows for more effective and safer treatment of serious cardiac conditions.

A non-transvenous implantable cardioverter defibrillator device comprises a generator device comprising a processing circuitry and a shock generation circuitry, and at least one lead comprising a shock electrode for emitting electrical shock pulses externally to a patient's heart. The processing circuitry is configured to identify a sensed ventricular contraction event in a sensed electrocardiogram signal or said processing circuitry is configured to control said shock generation circuitry to generate at least one conditioning pulse for emission by said shock electrode to cause an induced ventricular contraction event. The processing circuitry is further configured to control said shock generation circuitry to generate a fibrillation pulse for emission by said shock electrode at a delay time after said sensed or induced ventricular contraction event in order to induce a cardiac fibrillation state.

The utility model discloses an electric power detection multimeter with an anti-electric shock function, which comprises a multimeter, the multimeter is connected with a lead, the other end of the lead is connected with a meter pen, the meter pen is provided with a rubber plate, the rubber plate is provided with a through hole, rubber sleeves are respectively arranged on two sides of the meter pen above the rubber plate, and the rubber sleeves are connected with the lead. And telescopic rods are respectively arranged on opposite surfaces of the inner wall of the rubber sleeve. According to the electric power detection universal meter with the electric shock prevention function, the rubber sleeve and the meter pen form an elastic telescopic structure through the spring, the hollow rod, the telescopic rod and the meter pen, so that the rubber sleeve is connected to the meter pen through the elastic telescopic assembly, and a worker can perform electric shock prevention protection on a hand through the rubber sleeve when operating the meter pen; the telescopic plate of the device is made of rubber, and the rubber sleeves form a telescopic structure in the clamping groove through the telescopic plate, so that the size of the rubber sleeve assembly can be adjusted according to the hand of a worker, and the situation that storage of the rubber sleeve assembly is affected due to the too large size of the rubber sleeve assembly is avoided.

The utility model provides an electrotherapeutic apparatus for nerve nursing, belonging to the technical field of medical apparatus and instruments, the electrotherapeutic apparatus for nerve nursing comprises a housing, a conductive contact, a lead and a contact, the housing is a cylindrical structure, the conductive contact is arranged in the housing, the conductive contact is arranged in the housing, the conductive contact is arranged in the housing, the conductive contact is arranged in the housing, and the contact is arranged in the housing. The contact is arranged outside the shell and fixedly connected with the shell, and the conductive contact is electrically connected with the contact through the wire; the insulating layer is arranged on the outer side of the shell, and the insulating layer is used for isolating the current; a piezoelectric ceramic is arranged at the end part of the contact and is used for being in contact with the skin to generate current stimulation; a handheld part is arranged in the middle of the shell; the utility model provides an electro-therapeutic apparatus for nerve nursing, which can solve the problems that a loop is formed by an electric shock and a human body when an existing electro-therapeutic apparatus is used, the stimulation to the human body is too large, and the comfort level is low.

An implantable cardioverter defibrillator device comprises a generator device comprising a shock generation circuitry for producing an electrical shock pulse for performing a defibrillation therapy and a communication circuitry for establishing a communication connection to an external device in a frequency range above 2 GHz. At least one lead comprises a shock electrode for emitting said electrical shock pulse. The at least one lead comprises at least one antenna operatively connected to the communication circuitry for transmitting communication signals to and / or receiving communication signals from the external device in said frequency range above 2 GHz.

Method for controlling an electrical circuit (1) comprising an electrical source (4) providing a chopped output voltage and an active electrical damper (8) connected to said electrical source (4) and capable of damping transient voltage peaks (12) or instabilities, said active damper (8) comprising a capacitor (8a), a diode (8b) and a switch (8c), said active damper (8) being capable of allowing the capacitor (8a) to charge in a first state of the switch (8c) when Vs > Vc + Vd where Vs is the output voltage of the electrical source (4), Vc is the voltage across the capacitor (8a) and Vd is the voltage of the diode (8b), said active damper (8) being capable of allowing the capacitor (8a) to discharge in a second state of the switch (8c), the output voltage Vs being a periodic voltage,alternating in each period between a high voltage level during a high portion (10) of said period and a low voltage level during a low portion (11) of said period, Figure of the abstract: Figure 1,

This invention relates to a multi-parameter collaborative anti-disturbance control method for a magnetically coupled resonant motor drive system. Addressing the problems of efficiency drops due to parameter mismatch in wireless drive motors under dynamic conditions and electrical shocks caused by traditional parameter switching, this invention employs a dual-core heterogeneous controller combining a DSP and an FPGA. The arithmetic unit utilizes wavelet-least mean square adaptive filtering for signal denoising and employs a gradient-fuzzy collaborative strategy to calculate the optimal parameter set including the operating frequency and bilateral capacitance values. The hardware logic unit, based on shadow registers and physical zero-crossing detection logic, performs nanosecond-level atomic parameter copying to achieve shockless switching. This invention effectively resolves the contradiction between real-time performance and safety in multi-parameter adjustment, achieving millisecond-level impedance matching and proactive fault defense under all operating conditions.

Disclosed is a wearable cardiac therapeutic system including a plurality of therapy electrodes disposed in a garment and a fluid pressure source including a barrel configured to house the conductive gel and an actuation mechanism. A therapy controller is configured to detect an arrhythmic event in a patient based on sensed electrical activity of the patient's heart, initiate an activation signal indicating that the conductive gel is to be released on to the body of the patient, and cause the delivery of one or more electrical therapeutic shocks to the heart of the patient. Gel activator circuitry is configured to receive the activation signal from the therapy controller, and cause the fluid pressure source to expel the conductive gel onto the body of the patient proximate the one or more of the therapy electrodes and prior to the delivery of the one or more electrical shocks to the patient.

The utility model discloses an electromechanical damping installation fixing device, which relates to the technical field of electromechanical installation, and comprises a fixed base and an installation seat fixedly connected to the top of the fixed base, the side wall of the installation seat is provided with a longitudinal through channel I, and a clamping mechanism is arranged in the channel I; the clamping mechanism comprises a plurality of damping mechanisms connected to the inner wall of the first channel in a sliding mode. When the motor vibrates, vibration force can be transmitted to the damping mechanism on the arc-shaped plate, the second sleeve rod can be pushed to slide towards the first sleeve rod, the pressing rod and the sliding block at the tail end of the pressing rod are relatively pressed downwards, hydraulic oil in the first cavity is compressed, and when the pressure is large enough, the one-way valve can be jacked open; the hydraulic oil moves to the top of the second cavity through the backflow cavities on the two sides, meets and collides at the top to counteract the force of the hydraulic oil and then falls into the second cavity, then the force borne by the damping mechanism is eliminated, and compared with a piston type damper, the sliding block is smaller in friction force and longer in service life.

A protective barrier system is provided to control access to conductor(s) of a bus system of an electrical panel. The system includes an electrically insulated or non-conductive barrier for preventing access to conductor(s) of the bus system. The barrier can include a plurality of removable shutters arranged side-by-side across an open-side of the bus system to prevent installation of a circuit breaker on the conductor(s) of the bus system and to provide touch-safe / finger-safe protection. The system also includes a barrier interlock for the bus system. The barrier interlock can include a lock for a shutter(s). The lock is operable between a locked and unlocked position. The lock locks the shutter(s) to prevent removal of the shutter(s) in the locked position, or unlocks or releases the shutter(s) in the unlocked position thereby enabling removal of the shutter(s) and connection of the breaker to the conductor(s) of the bus system.

Various techniques related to post-treatment parameters of patients are described. An example method includes identifying a segment of an electrocardiogram (ECG) of an individual, wherein the segment is detected during a time interval that begins when an electrical shock is output to the individual's heart. The method further includes identifying a parameter of the electrical shock and generating a report including the segment of the ECG and indicating the parameter of the electrical shock. The report is output or transmitted to an external device.

A medical device hub power management system, method, and apparatus are disclosed. An example hub connectivity station includes a connectivity stage configured to provide a data connection with an external network. The hub connectivity station also includes at least one docking apparatus configured to connect to at least one medical device. The docking apparatuses are connected to the connectivity station in a stacked arrangement. The docking apparatuses and connectivity stage include power and data connectors to enable data and power to be provided through the hub connectivity station. To prevent electrical shock, a top power connector of each docking apparatus is disconnected from power when that docking apparatus is not connected to another docking apparatus or the connectivity stage. Power is provided to the top power connector after detecting another docking apparatus or the connectivity stage is connected to the top of the docking apparatus.