50 results about "Shock wave device" patented technology

Described herein is a shock wave device for the treatment of vascular occlusions. The shock wave device includes an outer covering and an inner member inner connected at a distal end of the device. First and second conductive wires extend along the length of the device within the volume between the outer covering and the inner member. A conductive emitter band circumscribes the ends of the first and second wires to form a first spark gap between the end of the first wire and the emitter band and a second spark gap between the end of the second wire and the emitter band. When the volume is filled with conductive fluid and a high voltage pulse is applied across the first and second wires, first and second shock waves can be initiated from the first and second spark gaps.

Provided are a charging system, an electrical isolation system, a control system, and a shockwave device. The charging system is provided with at least two electrical isolation circuits, thereby improving the frequency of sending charging control signals and further improving the frequency of charging a shockwave generation apparatus. The electrical isolation system can greatly improve the dielectric strength of the electrical isolation system, reduce a leakage current on the surface of a shockwave generator, and ensure the safety performance of the shockwave generator. The shockwave device can effectively monitor the discharge energy of a shockwave emitter, thereby improving treatment safety, controllability, and working efficiency.

The shock wave mesh basket electrode catheter comprises an inner tube and an outer tube, the inner tube is arranged in the outer tube and extends out of the far end of the outer tube, the far end of the inner tube is provided with a tip, the near end of the outer tube is connected with a handle, the handle is connected with a plug through a cable, and the plug is used for being connected with an external shock wave device. A mesh basket part is arranged on the inner tube, a balloon and a shock wave generator are arranged on the mesh basket part, and the mesh basket part has self-expansion performance so that a cage-shaped structure can be formed after expansion. According to the embodiment, the risks that the artificial valve is difficult to position and fix in the operation process, the artificial valve is not suitable to release and difficult to remove and the like can be effectively avoided, the operation time is shortened, and the operation operation and prognosis effects are greatly improved.

Described herein is a shock wave device for the treatment of vascular occlusions. The shock wave device includes an outer covering and an inner member inner connected at a distal end of the device. First and second conductive wires extend along the length of the device within the volume between the outer covering and the inner member. A conductive emitter band circumscribes the ends of the first and second wires to form a first spark gap between the end of the first wire and the emitter band and a second spark gap between the end of the second wire and the emitter band. When the volume is filled with conductive fluid and a high voltage pulse is applied across the first and second wires, first and second shock waves can be initiated from the first and second spark gaps.

The utility model discloses an electromagnetic focusing type shock wave device, which comprises a control module, a treatment head, a power supply, a discharge circuit and an absorption circuit, and is characterized in that the discharge circuit comprises a thyristor, a first diode and a discharge capacitor of which two ends are respectively connected with an anode and a cathode of the power supply; an anode of the thyristor is connected with a first end of the discharge capacitor, an anode of the power supply and a cathode of the first diode, a control electrode of the thyristor is connected with the control module, a cathode of the thyristor is connected with one end of an inductance coil of the treatment head, and the other end of the inductance coil of the treatment head, a second end of the discharge capacitor and a cathode of the power supply are grounded. The absorption circuit comprises at least one absorption resistor group, the absorption resistor group comprises at least two absorption resistors which are connected in series, and the anode of the first diode is connected with the cathode of the thyristor through the absorption resistor group. According to the electromagnetic focusing type shock wave device, the absorption resistor group is connected in series with the anode of the first diode which is connected in parallel with the thyristor of the discharge circuit, so that oscillation waveforms are absorbed, and the temperature rise of the device is reduced.

An electrode assembly for a shock wave apparatus. An electrode assembly (30) is disposed inside a balloon (10) of a shock wave apparatus (100). The electrode assembly (30) comprises: a first electrode (301); an insulating layer (302), the first electrode (301) being disposed inside the insulating layer (302) and the tail end of the first electrode (301) being exposed from the tail end of the insulating layer (302); a first electrical conductor (303), the first electrical conductor (303) being disposed on at least a portion of the outer peripheral surface of the tail end of the insulating layer (302); and a second electrode (304), the second electrode (304) being disposed on at least a portion of the outer peripheral surface of a base end of the insulating layer (302), such that an insulating gap is provided between the second electrode (304) and the first electrical conductor (303).

The invention relates to the technical field of rehabilitation medicine, and discloses a teenager height promoting system and method based on physical comprehensive intervention, and the comprehensive intervention method comprises the following steps: a shock wave preprocessing stage, a skeleton releasing stage (AMCT skeleton gun intervention), a specific stretching and posture intervention stage and a handstand assisting stage (physiotherapy consolidation). In the shock wave pretreatment stage, starting preparation, muscle release, epiphyseal stimulation and cleaning ending are carried out in sequence by utilizing frequency reduction shock wave equipment; in the skeleton releasing stage (AMCT skeleton gun intervention), key bone points on the upper portion and the lower portion of the knee joint are released through an AMCT skeleton gun so as to improve joint stress distribution and epiphyseal gaps. The teenager height promoting system and method based on physical comprehensive intervention have the advantages of multi-mode collaborative intervention, accurate stimulation and individualized adjustment, standardized operation process and high expandability.

The application relates to the nuclear power technology field and discloses a nuclear power plant opening shock wave elimination device, which comprises an airflow channel, at least one bending part, and a flow passage cross section diameter of an airflow inlet end of the bending part being different from a flow passage cross section diameter of an airflow outlet end of the bending part; a ventilation opening arranged on a flow passage wall of the airflow channel and / or an outlet end wall of the airflow channel, the ventilation opening being located downstream of the bending part; the ventilation opening being in communication with a plant of the nuclear power plant; and a ventilation assembly arranged at the ventilation opening and comprising a plurality of angle-adjustable guide vanes, the guide vanes guiding airflow into the plant according to a set angle. Through cooperation of the airflow channel and the ventilation assembly, the application realizes multiple reflection and flow guiding of high-energy airflow shock waves, consumes shock wave energy, avoids high-energy shock waves directly impacting the plant, realizes the wave elimination purpose, and also meets the ventilation demand in the plant.

The invention relates to the field of mechanical transmission, in particular to a double-layer roller rolling oscillating tooth speed reducer with a double-row homodromous eccentric shock wave device. According to the reducer, a triple uniform load mechanism is achieved through a set of systematized structure, first uniform load is achieved through the structural layout of the double-row homodromous eccentric shock wave device and the middle main supporting bearing, periodic overturning torque caused by a traditional reverse eccentric structure is fundamentally eliminated, and loads of transmission chains on the two sides are balanced. Second and third uniform loads are realized by a mandrel with radial elastic deformation, a roller with a convexity profile and a mandrel of the roller. Wherein the oscillating tooth assembly is constructed to be capable of compensating uneven circumferential load through elastic deformation of the mandrel, and meanwhile, the contact pressure of rollers at the two ends is uniform when the mandrel is bent due to the convexity design of the rollers or the mandrel. According to the structure, through the synergistic effect of multiple uniform loads, the requirement for the machining precision of parts is remarkably reduced, high bearing and high efficiency are kept, meanwhile, the operation stability is improved, and the manufacturing cost is reduced.

The application discloses an electrode device and a shock wave device, which comprise at least one hard conductive piece, an electrode wire and at least two electrode assemblies, adjacent electrode assemblies are electrically connected through the hard conductive piece, and the hard conductive piece is an integral structure; the at least two electrode assemblies comprise a distal end electrode assembly and a proximal end electrode assembly, the distal end electrode assembly is coupled with a power supply through an electrode wire, and the proximal end electrode assembly is coupled with the power supply through another electrode wire. The hard conductive piece is adopted to replace an original electrode wire to realize electrical connection between adjacent two electrode assemblies, the hard conductive piece has high structural strength and good structural stability, can resist high-frequency and high-intensity shock waves, effectively reduces the risk that the electrode wire is easily disintegrated and falls off under extreme working conditions, and the service life is greatly prolonged.

The present invention provides a handpiece that is less prone to shaking and can be held stably when outputting shock waves, and a shock wave device equipped with such a handpiece. [Solution] The device comprises a grip portion 2 held by the therapist, a main body portion 3 positioned facing forward near the upper end portion 2a of the grip portion 2 and having an applicator 5 that delivers shock waves to the patient positioned at its front end, and a trigger switch 4 provided on the grip portion 2 and operated by the hand holding the grip portion 2, wherein a curved portion 2b that curves forward is formed on the rear surface of the grip portion 2 at a position that includes the axis line C of the main body portion 3. The X-axis is a coordinate axis along the front-rear direction, with the direction indicated by the arrow being forward and the opposite direction being backward.

Provided are a cradle on which a shockwave handpiece can be placed at a posture that is substantially consistent, and a shockwave device comprising the cradle.　The cradle 4 has a body part receiver 4a for receiving a body part 9 of the handpiece 3. On the front edge of the body part receiver 4a, a recess 4c corresponding to a large diameter part 9a of the handpiece 3 is provided on the bottom surface of the body part receiver 4a. The body part receiver 4a is provided with a movement-preventing part (tip projection 4d) for preventing the handpiece 3 placed on the cradle 4 such that the large diameter part 9a of the handpiece 3 is positioned in the recess 4c in the body part receiver 4a from moving forward.

An impulsive wave device for treating a vascular occlusion is described. The impulsive wave device includes an outer covering and an inner member connected at a distal end of the device. First and second conductive wires extend along a length of the device within a volume between the outer covering and the inner member. A conductive launch band surrounds the ends of the first and second conductive wires to form a first spark gap between the end of the first conductive wire and the launch band and a second spark gap between the end of the second conductive wire and the launch band. First and second impulsive waves can be initiated from the first and second spark gaps when the volume is filled with a conductive fluid and a high voltage pulse is applied across the first and second conductive wires.

The utility model discloses a two-layer roller rolling oscillating tooth speed reducer adopting a crossed roller bearing. The two-layer roller rolling oscillating tooth speed reducer comprises a planetary speed reducer assembly, a shock wave device assembly and an oscillating tooth speed reduction assembly. A sun gear in the planetary reducer assembly is connected with a motor output shaft, a planetary inner gear is located on the periphery of a planetary gear and connected with a middle oscillating tooth frame through a first screw, and the planetary gear is connected with an eccentric shaft through an arranged planetary gear core shaft and installed in a hollow-out area of a planetary frame. The shock wave device assembly comprises a shock wave device and a shock wave device bearing, and eccentric rotation of the eccentric shaft is transmitted to the shock wave device through the shock wave device bearing; the oscillating tooth speed reduction assembly comprises an oscillating tooth frame assembly, an oscillating tooth assembly, a cross roller bearing assembly and an inner gear ring assembly, the oscillating tooth frame assembly and the inner gear ring assembly are mutually supported through the cross roller bearing assembly, and the oscillating tooth assembly drives the oscillating tooth frame assembly to rotate and cooperates with the inner gear ring assembly to complete speed reduction motion; not only is the transmission precision ensured, but also the economic benefit is improved.

The invention discloses an electrode assembly of a shock wave device, which comprises a first electrode and a second electrode which are arranged at an interval, an interval space is formed between the first electrode and the second electrode, the first electrode is provided with a first protruding part, and the second electrode is provided with a second protruding part corresponding to the first protruding part. The first protruding part and the second protruding part extend towards the interval space. The surface of the first electrode is coated with a first insulating layer, the first insulating layer is provided with a first opening at the position where the first protruding part faces the second protruding part so as to expose part of the first protruding part, and the second electrode is coated with a second insulating layer. The second insulating layer is provided with a second opening at a position where the second protruding part faces the first protruding part so as to expose part of the second protruding part, and a high-voltage discharge area is formed between the exposed part of the first protruding part and the exposed part of the second protruding part. The release and conduction directions of shock waves are controlled through the positions of the first opening and the second opening, and directional shock wave release is achieved.

Provided are a charging system, an electrical isolation system, a control system, and a shockwave device. The charging system is provided with at least two electrical isolation circuits, thereby improving the frequency of sending charging control signals and further improving the frequency of charging a shockwave generation apparatus. The electrical isolation system can greatly improve the dielectric strength of the electrical isolation system, reduce a leakage current on the surface of a shockwave generator, and ensure the safety performance of the shockwave generator. The shockwave device can effectively monitor the discharge energy of a shockwave emitter, thereby improving treatment safety, controllability, and working efficiency.

The invention discloses an experimental platform for igniting methane by shock waves, and relates to the technical field of experimental platforms, the experimental platform comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a rack, the top end of the rack is fixedly connected with an experimental chamber, and square frames symmetrically penetrate through the outer side surface of the experimental chamber; an acrylic plate is fixedly connected to the inner wall of the square frame, the acrylic plate is made of organic glass with the thickness being 10 mm or above and is made of a transparent material with certain strength, an operator can conveniently observe the condition in the inner cavity of the experiment cavity, and a shock wave generating device is fixedly connected to the inner wall of the experiment cavity. The shock wave generating device comprises a first fixing ring, the first fixing ring is fixedly connected to the inner wall of the experiment chamber, a pressing ring is fixedly connected to the inner wall of the first fixing ring, and a shock wave device is arranged in an inner cavity of the pressing ring. And the effect of releasing the force generated by igniting the methane by the shock waves is achieved.

The present invention provides an electrode assembly for a shock wave device, the electrode assembly is arranged inside the balloon of the shock wave device, and the electrode assembly comprises: a first electrode; an insulating layer, the first electrode is arranged inside the insulating layer and the end of the first electrode is exposed from the end of the insulating layer; a first conductor, the first conductor is arranged on at least a part of the outer peripheral surface of the end of the insulating layer; a second electrode, the second electrode is arranged on at least a part of the outer peripheral surface of the base end of the insulating layer, so that there is an insulating gap between the second electrode and the first conductor. The electrode assembly of the present invention can not only effectively reduce the attenuation of the shock wave during the conduction process, but also effectively prolong the service life of the electrode assembly, thereby safely and reliably achieving a satisfactory treatment effect.

The invention relates to device for treating a human or animal body with mechanical shockwaves, the device having: a dimensionally stable guide tube, a projectile movable in the guide tube, a means of accelerating the projectile in the guide tube for the movement, and an applicator at one end of the guide tube for the impact of the accelerated projectile thereon in order to generate the shockwaves and to couple the shockwaves into the body, characterized in that the guide tube is made, at least on the inside, of a material having a hardness of at most 150HV0.1 according to the Vickers scale.

The present invention provides a support stand that allows a shock wave handpiece to be placed in nearly the same position, and a shock wave apparatus equipped with the support stand. [Solution] The support stand 4 has a body part receiver 4a that receives the main body part 9 of the handpiece 3, and at the front end of the body part receiver 4a, a recess 4c corresponding to the larger diameter part 9a of the handpiece 3 is provided on the bottom surface of the body part receiver 4a. A movement prevention part (tip protrusion 4d) is provided on the body part receiver 4a to prevent the handpiece 3, which is placed on the support stand 4 so that the larger diameter part 9a of the handpiece 3 is positioned in the recess 4c of the body part receiver 4a, from moving forward.

This invention discloses a shockwave device, comprising an inner tube; a balloon connected to the inner tube, the balloon having a accommodating cavity; a support wire, at least partially located within the accommodating cavity, the distal end of the support wire connected to the inner tube; and an electrode assembly disposed on the support wire, the radial distance between the electrode assembly and the balloon being constant. This invention, by placing the support wire within the accommodating cavity and the electrode assembly on the support wire, enables the electrode assembly to approach the inner wall of the balloon while maintaining a constant radial distance during balloon expansion, reducing the attenuation of shockwave energy propagation, improving treatment effectiveness, and simultaneously avoiding balloon rupture, thus enhancing treatment safety.

The invention provides a method for increasing the yield of extracellular vesicles by using in vitro shock waves. The method comprises the step of exposing cells to the in vitro shock waves. Compared with a currently reported method for promoting exosome secretion, biological or chemical preparations do not need to be added, and the physiological state of donor cells cannot be affected. Compared with other physical stimulation methods, the shock wave device is commercialized and clinical, and is simple and convenient to operate and easy to standardize. And the method can effectively improve the yield of the exosome, and does not influence the morphological structure of the exosome and the expression of a protein marker. Inspection on breast cancer cell targeting proves that the tumor targeting ability of the exosome is improved after shock wave treatment.

The invention discloses a controllable shock wave device for drilling tool loosening and a related method. The device comprises a boosting unit, a gas switch triggering unit, an energy conversion unit, a gas spark switch unit and a pulse capacitor unit, wherein the boosting unit is used for charging the pulse capacitor; the pulse capacitor unit is used for storing and releasing electric energy; the gas switch trigger unit is used for controlling the conduction of the gas spark switch unit; the gas spark switch is used for electrically conducting the pulse capacitor unit and the energy conversion unit; the energy conversion unit is provided with a plurality of shock wave release windows, electric energy is converted into shock wave energy, the shock wave energy acts on a drilling tool clamping point through the shock wave release windows, and drilling tool loosening is achieved. The controllable shock wave device can stretch into the drilling tool and has the advantages of being high in construction efficiency, safe, reliable, high in practicability and environmentally friendly.

The invention discloses a double-layer roller rolling oscillating tooth speed reducer with a uniform load structure, which comprises an eccentric shaft piece, an oscillating tooth frame assembly, an inner gear ring assembly, an oscillating tooth assembly, an eccentric shaft bearing piece, an eccentric bearing retainer ring piece, a shock wave device bearing piece, a shock wave device, an inner gear ring end face sealing piece and an inner gear ring bearing piece, the oscillating tooth frame assembly and the inner gear ring assembly are installed above and below the eccentric shaft piece respectively, the oscillating tooth assembly is installed in the inner gear ring assembly, the eccentric shaft bearing piece is installed between the eccentric shaft piece and the inner gear ring assembly, the eccentric bearing check ring piece is installed on the outer side of the eccentric shaft bearing piece, and the shock wave device bearing piece is located on the inner side of the eccentric shaft bearing piece. The shock wave device is installed on the shock wave device bearing piece. The shock wave device uniform load structure and the eccentric shaft bearing elastic washer uniform load structure adopted by the invention can effectively reduce the processing precision requirement on the speed reducer, and can ensure that the two rows of shock wave devices can still obtain uniform load at lower precision, so that the bearing capacity of the speed reducer can be improved.

To provide a wagon and a shock wave device equipped with a wagon, which facilitate the replacement of frequently used applicators by attaching a tray containing frequently used applicators to the outside of the housing. [Solution] The device comprises a housing 3, a tray 12a for holding multiple applicators 14 for delivering shock waves to a patient, and mounting means for attaching the multiple trays 12a to the outer surface 4 of the housing 3. The device allows for the selection of one tray 12a from the multiple trays 12a and the attachment of the selected tray 12a to the outer surface 4 of the housing 3 using the mounting means.

The invention discloses a magnetomotive shock wave device. The device comprises a control module, a pressure sensor module and a magnetomotive shock wave module which are connected in sequence, the magnetomotive shock wave module comprises a shock wave shell and an equipment body arranged in the shock wave shell; the equipment body comprises an upper clamping end and a lower working end, a hoop seat is arranged at the clamping end, a protective sleeve is arranged at the working end, and an annular boss is arranged on the protective sleeve. The device has the advantages that the silica gel protective sleeve is additionally arranged at the working end of the device body, so that the device can be better attached to the skin of the human body, noise and energy loss are reduced, and a patient feels more comfortable when receiving treatment; the shock wave shell has a good protection effect on the equipment body, and meanwhile, the problem of heat accumulation of the equipment can be effectively solved through a plurality of heat dissipation holes; the hot compress palm module is additionally arranged, so that a hot compress relaxing function can be provided while shock wave physiotherapy is carried out; and through cooperation of the springs and the sliding blocks, the hot compress palm module has a self-adaptive height adjusting function.

The invention provides a pulse voltage shaping circuit and method, a high-voltage pulse generator and a shock wave device.The pulse voltage shaping circuit at least comprises a high-voltage input end, a pulse trigger end, a high-voltage pulse output end and two voltage sensitive devices with transient high-voltage conductivity, the pulse trigger end is connected with an external trigger circuit, and the high-voltage pulse output end is connected with an external discharge load; the pulse voltage shaping method controls the pulse voltage shaping circuit to output pulse current. The pulse voltage shaping circuit and method are applied to the high-voltage pulse generator. The shock wave device is applied to the high-voltage pulse generator; the pulse voltage shaping circuit provided by the invention has the advantages of short conduction time and steep waveform, and is simple in structure and convenient to manufacture, and a high-voltage pulse generator and a shock wave device designed based on the circuit are excellent in performance, small in size and suitable for batch production.

The present invention discloses a charging protection circuit, which is applied to an electromagnetic focusing shock wave device, comprising: a charging circuit, connected to an external power supply, for charging a high-voltage capacitor in the electromagnetic focusing shock wave device; an output detection circuit, connected to the output end of the charging circuit, for detecting the output voltage of the charging circuit after a preset time when the charging circuit starts charging; a switch circuit, connected between the charging circuit and the loop of the external power supply; a self-locking protection circuit, comprising a logic gate circuit, the input end of the logic gate circuit is connected to the output end of the output detection circuit, the output end of the logic gate circuit is connected to the switch circuit, and is used to turn off the switch circuit when the output detection circuit detects that the output voltage of the charging circuit is lower than a preset threshold, thereby disconnecting the connection between the external power supply and the charging circuit. The present invention can realize the protection of the high-voltage capacitor during the charging process through the cooperation of the output detection circuit, the switch circuit and the logic gate circuit.