Abstract: A centrifugal pump (10) includes a housing (26), an impeller (28) that is rotatably disposed inside the housing (26), a shaft (62) that is provided at a center rotational axis of the impeller (28), and bearings (70) that pivotally support the shaft ends (66). At least one of the shaft ends (66) has surface roughness Ra equal to or less than 0.21 ?m and/or surface roughness Ry equal to or less than 1.49 ?m.

Abstract: The present disclosure relates to an improved transcutaneous energy transfer (TET) system that generates and wirelessly transmits a sufficient amount of energy to power one or more implanted devices, including a heart pump, while maintaining the system's efficiency, safety, and overall convenience of use. The disclosure further relates one or more methods of operation for the improved system.

Abstract: Disclosed is a device for providing resuscitation or suspended state through redistribution of cardiac output to increase supply to the brain and heart for a patient. The device includes an electrically controllable redistribution component attachable to the patient to provide redistribution of the cardiac output to increase supply to the brain and heart. The redistribution component, following a predefined reaction pattern based on an electrical signal, and computer means configured to: receive a patient data which identifies physiological and/or anatomical characteristics of the patent; and provide the electrical signal for the redistribution component based on the patient data or a standard response. The device may provide mechanisms to protect the aorta and the remaining anatomy of the patient from inadvertent damage caused by the disclosed device in any usage scenario of either correct intended usage or unintended usage. Also disclosed is a method for providing resuscitation or suspended state.

Abstract: A portable dialysis device that can be continuously worn in and/or on the body of a patient, with a blood chamber in which the patient's blood can be received, a hydraulic chamber which can be filled with a hydraulic fluid and which adjoins the blood chamber, an at least partially flexible delivery membrane which is arranged between the hydraulic chamber and the blood chamber and which, when the hydraulic chamber is filled with hydraulic fluid, is movable in the direction of the blood chamber in such a way as to cause a compression of the blood chamber and therefore an ejection of the blood located therein, a pump for controllable filling and/or emptying of the hydraulic fluid in the hydraulic chamber, such that blood can in this way be conveyed into the blood chamber and/or out of the latter, a filter membrane which is arranged between the blood chamber and the hydraulic chamber and through which waste substances in the blood can be removed to the hydraulic fluid located in the hydraulic chamber, such that t

Abstract: This disclosure relates to medical fluid pumping systems and related devices and methods. In some aspects, a medical fluid pumping system includes a medical fluid pumping machine including a piston head that can be linearly displaced and a medical fluid cassette that can be secured to the medical fluid pumping machine. The medical fluid cassette includes a fastening member attached to a region of a flexible membrane overlying a fluid pump chamber, and the piston head is configured to be mechanically connected to the fastening member of the cassette.

Abstract: Medicament delivery devices for administration of opioid antagonists are described herein. In some embodiments, an apparatus includes a housing, a medicament container disposed within the housing and an energy storage member disposed within the housing. The medicament container is filled with a naloxone composition that includes naloxone or salts thereof, a tonicity-adjusting agent, and a pH adjusting agent, whereby the osmolality of the naloxone composition ranges from about 250-350 mOsm and the pH ranges from about 3-5. The energy storage member is configured to produce a force to deliver the naloxone composition.

Abstract: This tray includes spaced apart openings arranged in parallel rows, intended to receive the bodies of the elongated objects, and projections making it possible to place the flanges of the elongated objects inserted in these openings in a determined angular position on the tray when the bodies of these elongated objects are engaged in these openings. According to the invention: said projections are arranged so as to place the length of said flanges in a determined angular position with respect to the rows of openings, and the openings of a first row of openings are arranged with respect to a second row of openings adjacent to said first row, such that after installation of the elongated objects on the tray, the flanges of the objects inserted in the openings of said the first row imbricates with the flanges of the objects inserted in the openings of said second row, i.e.

Abstract: An infusion pump assembly is disclosed. The infusion pump assembly includes a locking tab and a pump barrel inside a pump barrel housing, where the pump barrel accommodates a reservoir assembly. The reservoir assembly includes a reservoir and a plunger rod. The infusion pump assembly also includes a locking disc at a terminus of the pump barrel. The locking disc includes a clearance hole for the plunger rod. The locking disc also includes at least one locking tab notch in close proximity with the locking tab. The locking tab is in moveable engagement with the locking tab notch, and the reservoir moves the locking tab from a locked position to an unlocked position when the plunger rod is inserted through clearance hole. The locking disc rotates upon torque being applied to the reservoir assembly, the locking disc rotating from a non-loaded position to a loaded position with respect to the plunger rod and a drive screw.

Abstract: An infusion system includes an intravenous pole, a pump device, a power supply device, a computer processing device, and conduit. The intravenous pole includes a bottom portion adjacent a bottom end, an upper portion adjacent a top end, and a hollow shaft. The pump device is attached to the upper portion of the intravenous pole. The power supply device is attached to the bottom portion of the intravenous pole. The computer processing device is attached to the bottom portion of the intravenous pole. The conduit extends within the hollow shaft of the intravenous pole. The conduit connects the pump device, the power supply device, and the computer processing device.

Abstract: A therapeutic fluid delivery system including, in various examples, a first reservoir configured to house a first therapeutic fluid, a second reservoir configured to house a second therapeutic fluid, and an inlet port configured to receive a fluid delivery needle is described. The inlet port is configured for fluid communication between the fluid delivery needle and the first reservoir, and the inlet port is further configured for fluid communication between the fluid delivery needle and the second reservoir.

Abstract: An injection device is provided for delivering a liquid medicament. The injection device includes a housing with a first chamber for storing a supply of the medicament. The first and second chambers are coupled within the housing. The second chamber is in fluid communication with the first chamber. The injection device also includes an outlet port for dispensing the medicament outside the housing. The outlet port is coupled to the housing and in fluid communication with one of said first and second chambers.

Abstract: The invention relates to a liquid storage and delivery system including a reusable housing (8) comprising a control and drive unit, a container (2), a pump module (4) fluidically connected to the container (2), and a coupling system (6) configured for removably coupling the pump module (4) to the control and drive unit (6). The pump module comprises a pump engine (20), a pump outlet (22), and a transmission input coupling (18) coupled to the pump engine (20). The housing comprising the control and drive unit also comprises a pump drive (34) configured to engage the transmission input coupling (18) of the pump module (4) when the pump module (4) is coupled to the housing comprising the control and drive unit. The container (2) is in the form of a flexible pouch and the pump module (4) is permanently integrated with the flexible pouch and forms therewith a disposable unit.

Abstract: A safety needle assembly of an infusion set for infusing fluids into a subcutaneously implanted access port is disclosed. The needle assembly is configured to prevent fluid/vapor escape therefrom so as to reduce or prevent fluid exposure to a clinician using the needle assembly. In one embodiment, the needle assembly comprises a handle portion including a needle extending therefrom, the needle defining a lumen for passage of a fluid therethrough. The needle assembly also includes a safety assembly defining a needle hole through which the needle initially extends. The safety assembly is selectively and axially slidable along the needle in order to shield a distal tip of the needle and prevent user contact therewith. A fluid isolation component is included in the safety assembly for isolating fluid escape from the needle to prevent exposure to a clinician.

Abstract: A method and medical pump to perform a flushing procedure are provided. The medical pump is configured to execute the flushing procedure subsequent to an infusion procedure, the flushing procedure and infusion procedure lacking a specified relationship between each other until after performance of the infusion procedure. The method comprises performing an infusion procedure of a medicament with the medical pump and automatically querying in human detectable form whether to execute a flushing procedure in response to conclusion of the infusion procedure.

Abstract: The invention relates to a drive mechanism for a needle insertion arrangement, the drive mechanism comprising: an actuator, a rotatable drive pulley directly or indirectly coupled to the actuator, and a belt adapted to engage the drive pulley and adapted to be fixed to a needle retainer.

Abstract: A device has a hollow guide shell including an injection end and a longitudinal axis. An actuator magnet is disposed in the hollow guide shell. An injection pin is coupled to the actuator magnet. A driver magnet is positioned on the device radially outward from the actuator magnet. A fluid cartridge is disposed in the injection end of the hollow guide shell, the fluid cartridge including a needle and a plunger. The driver magnet selectively exerts an injection force on the actuator magnet in a direction oriented towards the injection end of the hollow guide shell to engage the injection pin with the fluid cartridge. A liquid, gas or other agent can selectively be ejected from the cartridge by the device to inject the fluid, gas or other agent into another object.

Abstract: A sub-assembly of a medicament delivery device, the sub-assembly including a propellant source having a reservoir housing defining a reservoir and a stem having a bore therethrough, at least one inlet in fluid communication with the bore, and an open outlet end in fluid communication with the bore, the stein being moveable relative to the reservoir housing between a first position in which the at least one inlet is not in fluid communication with the reservoir and a second position in which the at least one inlet is in fluid communication with the reservoir, the propellant source further including a biasing member for biasing the stem towards the first position. The sub-assembly further including a collet member having a first plurality of radially flexible fingers and a second plurality of radially flexible fingers.

Abstract: A stable biopolymer-based emulsion lubricant including Agar is provided to reduce the friction between a syringe barrel plunger and the interior surface of the syringe barrel. According to exemplary embodiments the emulsion has a friction of less than 4N, the emulsion is temperature stable in a range of 4-23 degrees Celsius and the emulsion is stable for a period of at least 60 days.

Abstract: The present invention relates to a drive mechanism of a drug delivery device for dispensing of a dose of a medicament, the mechanism comprising: an elongated housing (20) extending in an axial direction (1, 2), a piston rod (160) to operably engage with a piston (14) of a cartridge (12) to displace the piston (14) in axial distal direction (1), a dose setting member (120; 220) rotatably arranged at a proximal end of the housing (20) for setting of a dose, a base member (60; 260) having a proximally extending shaft portion (61; 261) at least partially enclosed by the dose setting member (120; 220), a last dose limiting member (140; 240) radially disposed between the dose setting member (120; 220) and the base member (60; 260) and having at least one radial stop (143; 243a, 243b) to limit a rotational displacement of the dose setting member (120; 220) relative to the base member (60; 260), wherein the last dose limiting member (140; 240) is rotatably locked but axially displaceable to one of the base member (60

Abstract: Drive and dosing devices for injection devices are disclosed. An embodiment may include a threaded piston rod moveable in a dispensing direction for dispensing a product. A rotation member may be operatively connected to a stop limiter and threadably engaged with the piston rod. Rotation of the rotation member may cause the piston rod to move in the dispensing direction. An embodiment may include a dose knob rotatable for changing a dose. The device may further include a stop element threadably engaged with the piston rod and having a catch. The dose knob may be coupled with the stop element such that during increase of a dose, the stop element is screwed toward the distal end of the piston rod and the catch is moved towards the stop limiter. The stop element prevents increasing a dose when the catch abuts the stop limiter.

Abstract: A medical injector has a body with a displaceable plunger. The plunger includes a plurality of spaced-apart ratchet teeth disposed along the length thereof. At least one indexer is provided to engage the plunger, wherein the indexer is configured to allow the plunger to displace distally toward a distal end of the body but not proximally toward a proximal end of the body. The medical injector also includes an actuator having an engagement portion formed to engage one or more of the ratchet teeth. The actuator is displaceable to a ready state, the engagement portion being displaced proximally relative to the plunger with the actuator being displaced to the ready state. The indexer prevents proximal movement of the plunger, thereby allowing the engagement portion to bypass one or more of the ratchet teeth with the actuator being displaced to the ready state. In addition, the actuator is displaceable from the ready state to cause actuation of the medical injector.

Abstract: With the subject invention, a container for an injection device with an injection needle is provided. The container includes a body having a compartment formed therein to accommodate the injection device in both a pre-use and a post-use condition. The body defines a first opening through which the injection device in its pre-use condition may be accessed, and the body defines a second opening into which the injection device may be directed in its post-use condition. A closure is provided for closing the first opening. The container also includes a retainer for retaining the injection device in the container in its post-use condition preventing access to the injection needle after the injection device has been used to administer an injection. Advantageously, the container of the subject invention provides not only a pre-use packaging for the injection device, but also a post-use sharps container for the injection device.

Abstract: Systems and methods are described herein for guided injection, which include: one or more controllable light-emitting elements configured to emit non-destructive light and a computing device operably connected to the one or more controllable light-emitting elements configured to emit non-destructive light, the computing device including a processor operable to receive at least one digital representation of a body region of an individual, the body region of the individual including one or more physical registration landmarks, the at least one digital representation including one or more digitally registered injection sites and one or more digital registration landmarks corresponding to the one or more physical registration landmarks on the body region; and control the one or more controllable light-emitting elements to illuminate a location of a surface of the body region of the individual corresponding in location to at least one of the one or more digitally registered injection sites.

Abstract: A needle guide formed of a base plate and a platform is provided. The base plate includes an upper surface, a lower surface, a front end, a rear end, a first side, a second side, an outer edge and an inner edge. The inner edge forms an opening in between. The platform is pivotally secured to the base plate and disposed over the opening. A locking mechanism is operable to lock the platform at different angles relative to the base plate.

Abstract: An adipose tissue (AT) transfer system includes, on the aspiration side, an aspiration cannula, an aspiration pump, a container, and flexible tubing connecting the aspiration cannula to the container. On the reinjection side, the system includes a reinjection cannula, flexible tubing connecting the inlet of the reinjection cannula to the container, and a reinjection pump imposing positive-displacement pumping action on the flexible tubing and causing movement of AT in a pulsed mode. The aspiration pump operates to continually supply harvested AT to the second flexible tubing while the reinjection pumps causes continuous or pulsed deposition of the AT at injection site. To ensure that internal pressure and/or flow of the AT through a channel of delivery of the AT to the reinjection site does not exceed a predetermined value, the system contains an external pressure sensor configured to measure such internal pressure in absence of a part that is in direct contact with the AT.

Abstract: A metered dose inhaler (“MDI”) applicator is disclosed that includes a carrier, a housing, an adjuster and a lever. The carrier defines an aperture configured to receive a boot of a MDI. The housing is configured to be assembled with the carrier and to move in a vertical direction within the MID applicator relative to the carrier. The adjuster is configured to move between a locked position and an unlocked position, wherein when the adjuster is in the locked position, the adjuster is configured to prevent the carrier and the housing from moving in one or more directions relative to one another. The lever is pivotally connected to the housing and is configured to transfer a force applied to the lever to a canister of the MDI and to actuate the MDI to dispense an aerosolized medicine.

Abstract: A nasal continuous positive airway pressure (nCPAP) device having a hollow body with a proximal wall, a distal wall, and an exhaust port extending through the distal wall. A proximal tubular member extends through the proximal wall of the body and is arranged such that a stream of gas entering the body through the proximal tubular member will exit the proximal tubular member in a first direction and then enter the exhaust port. A nozzle extends through the body and is arranged such that a stream of gas entering the body through the nozzle will exit the nozzle and then enter the proximal tubular member in a second direction that is opposite the first direction.

Abstract: A cleaning catheter (200) includes fluid-delivery and suction lumens (520, 530). A flow regulator (700) defines suction and fluid ports (830, 827). A mechanical user control element (320) is configured to mechanically and non-electrically set activation states of the flow regulator (700), and transition between first and third configurations via a second configuration. When the control element (320) is in the first configuration, the flow regulator (700) blocks fluid communication (a) between the suction port (830) and the suction lumen (530) and (b) between the fluid port (827) and the fluid-delivery lumen (520). When the control element (320) is in the second configuration, the flow regulator effects fluid communication between the suction port (830) and the suction lumen (530), and blocks fluid communication between the fluid port (827) and the fluid-delivery lumen (520).

Abstract: A portable suction device is rechargeable, lightweight, and compatible with disposable medical catheters. The unit can be operated with one hand, while a user may attend to the patient with the other hand. The suction device may feed into a sterile collection vessel, which can be replaceable, cleanable and/or reusable. A rechargeable battery pack for power may be located in the base of the unit. A vacuum pump may supply negative air flow to draw fluids out of a patient. An inline one-way filter located between the catheter and the vessel may prevent bacteria and other possible contaminants from traveling up-line to the patient. The unit may be designed specifically for use by tracheotomy patients and their caregivers.

Abstract: A bite block for use in a mouth of a patient to hold the mouth in a spaced-apart position that includes a condensed fiber block having a predetermined length suitable for being inserted into the mouth of the patient and positioned between upper and lower molars and a wrapper yarn repeatedly wrapped around the block along its length. An adhesive strand in the wrapper yarn is positioned on an outer surface of the fiber to maintain the block in its condensed state.

Abstract: A cushion assembly (16) for use in a patient interface device (10) includes a cushion member having a sealing flap (24) adapted to sealing engage a user's face about at least one of an oral orifice or nasal orifices of the user. The cushion member defines a cavity (30) therein accessible via an opening generally defined by the sealing flap. The cushion assembly further includes a stabilizing member (16b) having a first end and an opposite second end, the first end and the second end being selectively coupled to the sealing flap such that the stabilizing member spans across at least a portion of the opening.

Abstract: A wye connector has a patient coupling end. The patient coupling end has a first connector surface and a second connector surface. The first connector surface has a first diameter at an axial location along the patient coupling end. The second connector surface has a second diameter at the same axial location along the patient coupling end. The first diameter is larger than the second diameter. The second connector surface projects axially outward beyond the first connector surface.

Abstract: Passive heating may be provided to a flexible tube (202) configured to deliver respiratory gas to a patient. A flexible sheathing body (206, 208, 210) may be removably attached to the flexible tube so as to surround the flexible tube and extend along the flexible tube. A passive heating element (218, 220, 222) integrated with the flexible sheathing body may store non-electrical energy and release the stored non-electrical energy as thermal energy to heat the flexible tube.

Abstract: A method and apparatus to deliver a variable flow of oxygen to a patient. The apparatus may include a flow control valve, a pressure sensor to detect a patient's breathing pressure and ambient pressure, an oxygen flow analyzer to measure oxygen flow to the patient, and a processor to analyze the breathing pressure values, ambient pressure value, and oxygen flow rate values and to determine when a patient is inhaling. When the processor determines the patient is inhaling, the processor calculates an optimal oxygen flow rate to deliver to a patient, which may depend on a pre-selected flow rate and an oxygen backlog, and the processor sends a signal to the flow control valve to deliver the optimal oxygen flow rate to the patient.

Abstract: A method of automatically controlling the temperature of a patient circuit (56, 58) of a pressure support system (50) includes determining (directly measuring or estimating/deriving) one or more environmental parameters relating to environmental conditions around the pressure support system, such as ambient temperature and/or ambient humidity, determining a desired temperature based on at least the one or more environmental parameters, and controlling the operation of a heating apparatus (70) operatively associated with the patient circuit based on the desired temperature. Also, a pressure support system implementing the method.

Abstract: The present disclosure relates to multiple embodiments of catheters which include valved openings which are normally closed to maintain a lock solution within a catheter during periods of non-use.

Abstract: A system includes a delivery catheter and a separately-packaged implantable medical device assembly. The assembly includes a relatively compact implantable medical device, a support shaft, a tether, and a snare mandrel. The tether, which extends in the support shaft, has a distal portion coupled to the device, at a distal end of the support shaft, and a proximal portion protruding from a proximal end of the support shaft, for engagement by a hook of the snare mandrel. An operator may use the engaged snare mandrel to pull the support shaft into a lumen of an inner shaft of the catheter so that the coupled device comes into engagement with a flared end of the catheter inner shaft. Then, after locking the proximal portion of the tether within the catheter, the operator may advance a receptacle of the catheter over the device.

Abstract: Catheter assemblies include a stabilization mechanism disposed at a distal end of the catheter assembly for stabilizing the catheter assembly within a subintimal space. The stabilization mechanism includes a self-expanding support structure that is slidably positionable within an inflatable balloon. The catheter assemblies include an outer shaft which has the balloon at a distal end thereof and an inner shaft which has the support structure mounted on a distal end thereof. The inner shaft is slidably disposed within a lumen of the outer shaft and has a first configuration in which the support structure is held in a compressed state within the outer shaft and a second configuration in which the support structure is permitted to return to an expanded state within the inflatable balloon. In the expanded state, the stabilization mechanism has a flattened laterally-extending profile.

Abstract: A catheter management system comprises several layers where a top layer has one or more channels to receive one or more elongated medical devices or members and a bottom layer comprises adhesive to secure the catheter management system to a patient or other secure site in the operating field. A firm upper surface causes the elongated medical devices or members to stay in the channels, whereas a firm inner layer facilitates maintaining the shape of the catheter management system and providing resistance for an operator to easily release an elongated medical device or member.

Abstract: A deep vein intravenous introducer has a wheel located toward the front end of the device that can be rotated by the index finger of the user. After placement of the needle in the lumen of the vessel, the user rotates the wheel, which turns a drive wheel. The drive wheel has an outer surface that advances the guide wire through the center of the needle and into the patient. Once the guide wire is advanced into the vessel lumen the catheter can be advanced over the guide wire with a hub or finger tab on the catheter close to the index finger. The operation can be performed by one hand without moving the hand from its initial position.

Abstract: Systems and methods are provided for optically reading a setting of an implantable valve. The valve includes optical emitters that are wirelessly powered by a valve reading tool that images the emitted light to determine the valve setting.

Abstract: A medical valve assembly includes a tube extending between a first tube end and a second tube end to define a passageway extending along a longitudinal axis between the ends. A plunger plate extends radially from the second tube end of the tube, and a valve housing surrounds the tube about the second tube end and extends from a first valve housing end to a second valve housing end. The valve housing includes a housing flange extending radially inwardly from the second valve housing end and disposed in spaced relationship with the plunger plate to define a distance dimension D extending therebetween. An elastomeric seal is compressed between the plunger plate and the housing flange, and one of the valve housing and the tube is axially movable relative to the other to vary the distance between said plunger plate and said housing flange and adjust an inner diameter of the elastomeric seal.

Abstract: System, apparatus and method for opening a heat-bonded connection formed between two hollow, flexible thermoplastic conduits. A pressure difference is created between the inside of at least one of the conduits and the ambient atmosphere sufficient to cause expansion of a wall of the tubing conduit in the vicinity of a frangible portion at least partially blocking the connection to disrupt the frangible portion and reduce the blocking.

Abstract: A injection site information cap includes a housing, a cover portion, an engagement portion configured to couple to and cover an injection port of an injection site, and at least one information element on the cover portion that is positioned to be automatically sensed by at least one sensor of the injection site when the engagement portion is coupled to or is being coupled to the medication injection port. Related apparatus, systems, and techniques are also described.

Abstract: An electrosurgical device can have a housing and an electrode defining an energizable surface at least partially positioned externally of the housing. The electrode can move longitudinally relative to the housing. A shank of the electrode can be positioned within the housing and configured to urge against an energizable element in the housing. The energizable element can have a longitudinally movable electrical coupler configured to electrically couple with the shank portion when the shank portion urges against the energizable element. Related methods are also disclosed.

Abstract: An apparatus for delivering therapeutic electrostimulation across a tissue surface includes a current source, a low current component adapted to contact the tissue surface, a first electrode assembly electrically connected to the current source and supported by the low current component, a second electrode assembly electrically connected to the current source and supported by the low current component and a conductive fluid supported by the low current component for facilitating a flow of electric current across the tissue surface. At least one of the first and second electrodes assemblies includes at least one of a magnetic electrode, a high current component and a non-current component.

Abstract: An apparatus is used in a therapeutic process to provide relief of pain and swelling by dynamic electric stimulation at very low power levels at frequencies between about 2 to 100 Hz. in which the stimulation frequency is constantly offset from the detected dominant frequency by between about 2 to 20 Hz. The pain relief benefits can last weeks, even though the treatment duration is generally well under a minute.

Abstract: The present invention is to provide an electrotherapeutic sole and a method for making the same, wherein the electrotherapeutic sole is composed of nitrile-butadiene rubber (38%˜42% by weight), conductive carbon black (37%˜42% by weight), a softening oil (14%˜17% by weight), a processing aid (3%˜5% by weight), and an accelerant (1%˜2% by weight) and has a top portion protrudingly provided with a plurality of electrode protuberances that correspond in positions to the acupoints in a human sole; the electrotherapeutic sole is also provided with a socket, thereby an electrotherapeutic pulse output terminal inserted into the socket can send the electrotherapeutic pulses generated by an electrotherapeutic pulse generator sequentially through the socket and the conductive carbon black in the electrotherapeutic sole to the tips of the electrode protuberances to massage the corresponding acupoints in the human sole.

Abstract: Provided is a biological electrode and a biological electrode-equipped wearing tool, in which a contact surface having a certain surface area is suitably brought into intimate contact with a living body, and a suitable electrical distribution is obtained. A biological electrode includes: an electrode sheet having a plurality of electrode bodies spaced apart from each other; and a conductive cloth portion superimposed on the electrode sheet. The electrode sheet includes stretching wires that link the neighboring electrode bodies, has a shape of a stretchable and flexible mesh sheet, and can follow a living body to be suitably deformed.

Abstract: The disclosure relates to a reduced Larsen Effect electrode. Specifically, the disclosure relates to an electrode with an insulation-coated electrode wire coaxially surrounded over a substantial portion thereof, by predetermined assembly of alternating rigid and isolating layers.