Abstract: Tattoo machines configured to drive a needle towards a marking area. The tattoo machines include a motor, a first arm, a second arm, and a primary spring. The first arm is operatively connected to the motor and driven by the motor towards the marking area. The second arm is spaced from the first arm and configured to couple to the needle. The primary spring is biased to move the first arm and the second arm away from the marking area. The second arm is driven towards the marking area when the first arm is driven towards the marking area by the motor.

Abstract: A handle for an applicator of coloured liquid to skin comprises a removable needle module and a needle actuator. The needle module comprises a needle. The handle comprises a handle body having top and bottom portions. The top portion is engagable with the needle actuator and has a top opening for receiving a drive shaft of the needle actuator. The bottom portion is removably engagable with the needle module and has a bottom opening for receiving a needle shaft of the needle. A reciprocally movable interface sealingly engages an internal surface of the handle body. The interface separates the bottom opening from the top opening so as to prevent fluid communication from the bottom opening to the top opening, and is configured to abut the drive shaft and the needle shaft during use to allow the drive shaft to indirectly drive the needle shaft.

Abstract: The invention relates to a device for piercing an organic tissue, and more particularly to piercing human or animal skin. The device includes a housing, a piercing unit, which is accommodated in the housing, and an actuator device which is arranged and configured in the housing to generate an actuating force in such a way that an actuator component surrounded by the actuator device and functionally connected to the piercing unit, performs an oscillating actuating movement in the housing which is coupled to the piercing unit. The actuating device is designed with a counter component allocated to the actuating component which at least partially compensates for vibrations caused in the housing by the oscillating actuating movement of the actuating component; the counter component oscillates and is moved contrary to the actuating component. The invention also relates to an actuation module for a device for piercing an organic tissue.

Abstract: A tattooing apparatus including a needle having at least one tip. The needle is configured to move between a first position in which the tip is located above the surface of a skin, and a second position in which the tip is located at a penetration depth underneath the skin surface. The needle is further configured to deposit an ink between the skin surface and the penetration depth. The tattooing apparatus further includes a needle drive mechanism configured to move the needle between the first position and the second position. The tattooing apparatus includes a sensor configured to output a feedback signal corresponding to a skin thickness characteristic. The tattooing apparatus further includes a controller configured to receive the feedback signal, wherein the controller is configured to adjust the penetration depth based on the skin thickness characteristic.

Abstract: A wireless, battery powered tattooing apparatus employing a stable voltage regulator to provide stable control of the operation of the tattoo applicator. A user interface enables an artist to select a desired reciprocation frequency for the needle movement of the tattoo applicator. The selected setting is used to generate a particular voltage from the voltage regulator that in turn, controls the frequency of the needle reciprocations. A wireless receiver receives operational commands to control the tattoo applicator from a remote transmitter thereby keeping the artist's hands free to work.

Abstract: Described here are systems and methods for accessing Schlemm's canal and for delivering an ocular device or fluid composition therein. The ocular devices may maintain the patency of Schlemm's canal without substantially interfering with transmural fluid flow across the canal. The fluid composition may be a viscoelastic fluid that is delivered into the canal to facilitate drainage of aqueous humor by disrupting the canal and surrounding trabeculocanalicular tissues. Tools for disrupting these tissues and minimally invasive methods for treating medical conditions associated with elevated intraocular pressure, including glaucoma, are also described.

Abstract: The present invention is to provide an eyebrow tattoo machine, which includes a housing; a swinging movement-activating motor located inside the housing and having one end provided with a transmission shaft; an eccentric sleeve mounted around the transmission shaft and protrudingly provided with an eccentric lever offset from the center thereof and facing away from the motor; and a tattoo needle actuation mechanism positioned and pressed against by screws in the housing and configured for driving a tattoo needle at one end thereof to move upward-and-downward along an axis of the machine, and having the other end provided with a round-ended slot. The eccentric lever extends into the round-ended slot so that, once the motor is turned on, the eccentric lever can drive the entire tattoo needle actuation mechanism to swing from side to side with respect to the axis of the machine by using the screws as the fulcrum.

Abstract: A tattoo needle apparatus that may be used in connection with replicating hair follicles on a scalp of a client is disclosed along with a method of constructing the needle. The needle may include a shank and a needle head secured to the shank. The needle head may include a bundle of three pins (needles), with a point (tip or apex) of each pin being bent, deformed, deflected or otherwise curved inwardly toward a longitudinal axis of the bundle of pins. The method for constructing the needling may include securing the pins in a bundle, curving the points, and mounting the bundle to a needle shank.

Abstract: A tattoo machine needle bar holder includes a housing configured to receive a needle bar therein; a first buffer element; and a second buffer element. The first and second buffer elements are adapted to be located within the housing, and in use, at least partially surround a portion of a needle bar located within the housing. The first buffer element is also adapted to provide a first dampening effect on the lateral transition of a needle bar located within the housing in a first direction, and the second buffer element is also adapted to provide a second dampening effect on the lateral transition of the needle bar in a second direction.

Abstract: The present invention relates to a tattooing apparatus having a tattooing needle capable of automatically reciprocating in a linear direction. The tattooing apparatus according to the present invention includes a case, a motor disposed inside the case, a cam unit to convert rotation of the motor into linear reciprocation, a link connected to the cam unit and disposed inside the case to be linearly reciprocated by the cam unit, and a needle cartridge that is connected to a lower end of the case and has a tattooing needle to move according to the link and a tattooing ink to flow out along the tattooing needle.

Abstract: The present invention refers to a transmission mechanism of an eyebrow tattoo machine, which includes an eccentric rotation shaft connected to a driving axle of a motor and having a bottom end configured to rotate eccentrically with respect to the driving axle, an upper bearing coupled with the bottom end of the eccentric rotation shaft, a position-limiting cover longitudinally provided with a position-limiting groove, and a swinging rod element mounted to the upper bearing and provided with a swinging rod and a position-limiting rod on two sides respectively. Since the position-limiting rod is only allowed to swing up and down in the position-limiting groove when the eccentric rotation shaft drives the upper bearing and the swinging rod element, the end of the swinging rod away from the upper bearing can swing up and down and then drive a tattoo needle to move vertically up and down through a lateral bearing.

Abstract: The present invention provides a tattoo needle housing, including: a substantially hollow structure configured to surround a plurality of tattoo needles, wherein the substantially hollow structure includes a bottom edge portion at one end thereof that has a shape that substantially matches and conforms to a collective shape of the tips of the plurality of tattoo needles taken as a group, wherein the substantially hollow structure includes one or more ports manufactured into one or more of a top surface and a bottom surface thereof, and wherein the substantially hollow structure includes an end wall adjacent to the tips of the plurality of tattoo needles configured to form a reservoir to retain ink adjacent to the plurality of tattoo needles.

Abstract: Tattoo machines include a motor pivotably coupled to a frame. The motor includes an eccentrically weighted shaft. A needle drive mechanism is coupled with the motor. Methods of making tattoo machines may include obtaining a frame and obtaining a motor that includes an eccentrically weighted shaft. The motor can then be coupled to the frame so that the motor is able to pivot about a pivot axis. Methods operational for tattoo machines include rotating an eccentrically weighted shaft on a motor that is pivotably coupled to a frame. The motor is pivoted about a pivot axis as a result of the rotation of the shaft.

Abstract: An eccentric gear for a tattoo machine allows the throw of the needle of the machine to be quickly and easily changed without the need to adjust the springs of the machine. The eccentric gear, which is rotatably connected to the output shaft of the motor and also to the linkage bar, has a body member that has a channel on its upper surface. A slide plate, to which the linkage bar is rotatably connected, is slidably disposed within the channel so that movement of the linkage bar-slide plate connection point closer to or farther away from the longitudinal axis of the output shaft, decreases or increases the throw of the needle respectively. A set screw frictionally locks the slide plate within the channel.

Abstract: The present invention provides a tattoo needle housing, including: a substantially hollow prismatic structure configured to surround a plurality of tattoo needles, wherein the substantially hollow prismatic structure includes a bottom edge portion at one end thereof that has a shape that substantially matches a collective shape of the tips of the plurality of tattoo needles, and wherein the substantially hollow prismatic structure includes an opening manufactured into one or more of a top surface and a bottom surface thereof.

Abstract: The present invention provides a tattoo needle housing, including: a substantially hollow structure configured to surround a plurality of tattoo needles, wherein the substantially hollow structure includes a bottom edge portion at one end thereof that has a shape that substantially matches a collective shape of the tips of the plurality of tattoo needles, and wherein the substantially hollow structure includes an opening manufactured into one or more of a top surface and a bottom surface thereof. Optionally, the substantially hollow structure includes a plurality of openings manufactured into one or more of the top surface and the bottom surface thereof. Preferably, the substantially hollow structure includes an end wall that, along with the bottom edge portion, forms a port by which access to the plurality of tattoo needles is had from the exterior of the substantially hollow structure.

Abstract: An improved electromagnetic coil tattoo machine offers the operator the opportunity to customize the machine's structural and operating properties. An embodiment of the invention provides a tattoo machine having at least one electromagnetic support coil which may include a coil core which has threaded holes which accommodate fasteners used to structurally secure and support 2 or 3 piece sub-frame members which house the secondary components that a conventional one-piece frame would house—such as the spring/armature bar, the binding posts and the preferred tube vice system. Accordingly in one embodiment, the support coil assemblies themselves act as a primary structural frame member. In a further embodiment, the electromagnetic support coil assembly may also use removable instead of non-removable retaining washers and O-rings to retain magnetic wire windings such as to allow the operator to customize and repair the magnetic wire.

Abstract: A tattoo gun improvement comprised of an adjustment means for the main spring of the tattoo gun that permits adjustment of the angle of the spring relative to the frame and therefore the spring tension against the needle depth adjuster. The means of adjustment facilitates quick and accurate tension setting on the spring while avoiding the need to bend the spring or alter the needle penetration setting adjustment. By avoiding bending the spring the spring life is extended as well as the precision that the spring tension may be adjusted. A precisely and properly adjusted spring can allow the tattoo gun to be used with less power that further can result in less unnecessary trauma to the skin.

Abstract: The present invention relates generally to a tattoo needle stabilization device. More specifically, this disclosure relates to a device that is inserted through the sanitary cutout and engages the shaft of a tattoo needle near the point, biasing the point of the needle against the inside of the tip aperture and stabilizing the needle.

Abstract: An eyebrow embroidery machine includes a connecting sleeve, an eyebrow embroidery bushing, an anti-backflow plastic cover, an eyebrow embroidery needle module and a transmission mechanism. At least one circular flange is formed at an end of the eyebrow embroidery bushing and embedded into another end of the connecting sleeve. An end of the anti-backflow plastic cover is fixed onto the periphery of the eyebrow embroidery needle module and another end is connected to the connecting sleeve. The eyebrow embroidery needle module installed in the connecting sleeve includes a core link rod at an end and an eyebrow embroidery needle at another end and passed out of the eyebrow embroidery bushing. The transmission mechanism is screwed with the connecting sleeve, and provided for moving the core link rod, the anti-backflow plastic cover and the eyebrow embroidery needle reciprocally along the central axis of the eyebrow embroidery machine.

Abstract: The present improved magnetic coil tattooing machine incorporates an armature assembly comprising an actuator appendage. The actuator appendage facilitates the actuation of an interrupter switch assembly that is remotely located in relation to the armature assembly. As a result of the described improvements it is now possible to adjust the activation timing of the interrupter switch assembly. An additional and unexpected advantage is a smooth homogenous operation of the interrupter switch assembly rendering the known tuning procedure of prior art obsolete.

Abstract: A tattoo gun for applying body art to a recipient's skin comprising: an oscillating needle, where the needle penetrates the skin for application of ink; a coil assembly; and a battery pack, where said batter pack is used as the power source for the tattoo gun. The battery pack is a rechargeable battery pack that allows for the cordless operation of the tattoo gun.

Abstract: A power supply that includes a housing for retaining the electronic components needed to operate a tattoo machine. The housing includes a first region in which the tattooing controls are located and a second region that includes a display screen. The first and second regions are separated from each so that a plastic covering can be drawn over only the first region to protect the tattooing controls while leaving the display screen unobscured.

Abstract: The present disclosure provides a tattoo machine including a frame, an armature bar coupled to a needle bar, at least one electromagnetic coil, and a dampening device disposed to the frame. The dampening device absorbs vibrational forces exerted on the frame of the tattoo machine and thereby helps minimize wear and tear as well as increases the longevity of the machine. The absorption of vibrational forces increases the comfort of the tattoo artist along with their accuracy. The present disclosure also provides a tattoo machine having metallic components that are mated using various frictional surfaces, some of which incorporate visual guides for alignment purposes. This provides an easily adjustable, tunable tattoo machine that acts as a solid structure when assembled, also increasing user comfort and accuracy.

Abstract: A tattoo gun improvement comprised of an adjustment means for the main spring of the tattoo gun that permits adjustment of the angle of the spring relative to the frame and therefore the spring tension against the needle depth adjuster. The means of adjustment facilitates quick and accurate tension setting on the spring while avoiding the need to bend the spring or alter the needle penetration setting adjustment. By avoiding bending the spring the spring life is extended as well as the precision that the spring tension may be adjusted. A precisely and properly adjusted spring can allow the tattoo gun to be used with less power that further can result in less unnecessary trauma to the skin.

Abstract: Through putting the coils of a tattoo machine in an angle and mounting an equivalently bent hammer on a, although in a (little more than the before mentioned ones), angle fixed spring mount we obtain a machine that is stronger than other machines compared in size and lighter and shorter than other machines that are comparable in power. A marking device with an oscillating needle. The needle is attached through a needle bar on an armature bar which is attracted by an electromagnetic assembly. A from rear to front ascending angled stair-like milled yoke supports the electromagnetic assembly, which consists of one lower and one higher coil. A spring mount with an adequate angle is mounted to the side plates. An inversely proportional bent armature bar levels that before mentioned angle. The armature bar is attached through a spring to the spring mount. The angle of the set-up procures the oscillating armature bar with a both forth and downward motion, following a so called arc principle.

Abstract: An eyebrow embroidery machine includes a connecting sleeve, an eyebrow embroidery bushing, an anti-backflow plastic cover, an eyebrow embroidery needle module and a transmission mechanism. At least one circular flange is formed at an end of the eyebrow embroidery bushing and embedded into another end of the connecting sleeve. An end of the anti-backflow plastic cover is fixed onto the periphery of the eyebrow embroidery needle module and another end is connected to the connecting sleeve. The eyebrow embroidery needle module installed in the connecting sleeve includes a core link rod at an end and an eyebrow embroidery needle at another end and passed out of the eyebrow embroidery bushing. The transmission mechanism is screwed with the connecting sleeve, and provided for moving the core link rod, the anti-backflow plastic cover and the eyebrow embroidery needle reciprocally along the central axis of the eyebrow embroidery machine.

Abstract: A battery powered portable system of operating a tattoo gun that can be worn on the user's arm or clipped to the user's belt. The system directly connects to conventional tattoo guns, and offers the options of utilizing a fingertip control of the machine's speed and ON/OFF functions or the conventional control module and foot pedal controls.

Abstract: The biodegradable, disposable tattoo tube includes an elongated plastic tube adapted to be releasably attached to a tattooing device, a shaped tip at one end of the tube, an open ink reservoir adjacent the tip, and an ergonomic grip disposed between opposing ends of the tube. The tattoo tube is made from biodegradable plastic material that may be recycled naturally or in any other conventional manner.

Abstract: A control device for a tattoo machine, and a tattoo system. The control device adapted to control reciprocation of a needle assembly of the tattoo machine using a pulsed signal. A duty cycle of the pulsed signal controlling a stroke length of the needle assembly. A frequency of the pulsed signal controlling a stroke frequency of the needle assembly. Duty cycle and frequency may be controlled independently of one another.

Abstract: The present invention relates to a tattoo device having a single DC coil with a pulse width modulation (PWM) circuit to control when the single DC coil is energized. Such arrangement eliminates the need for a set screw as in traditional tattoo machines and allows for a lighter device having fewer vibrations, better balance, and improved precision when being used.

Abstract: One embodiment of a self contained ink distribution system connected to a tattoo machine (10) is a needle holding tube (12). Surrounding the needle holding tube is a grip (14) which comprises a cavity (11). A passageway (13) leading to a sterile opening (18) is fixedly attached to said cavity. Other embodiments are described and shown.

Abstract: The present disclosure provides a tattoo machine including a frame, an armature bar coupled to a needle bar, at least one electromagnetic coil, and a dampening device disposed to the frame. The dampening device absorbs vibrational forces exerted on the frame of the tattoo machine and thereby helps minimize wear and tear as well as increases the longevity of the machine. The absorption of vibrational forces increases the comfort of the tattoo artist along with their accuracy.

Abstract: A power supply that includes a housing for retaining the electronic components needed to operate a tattoo machine. The housing includes a first region in which the tattooing controls are located and a second region that includes a display screen. The first and second regions are separated from each so that a plastic covering can be drawn over only the first region to protect the tattooing controls while leaving the display screen unobscured.

Abstract: The present invention relates to a tattoo device having a single DC coil with a pulse width modulation (PWM) circuit to control when the single DC coil is energized. Such arrangement eliminates the need for a set screw as in traditional tattoo machines and allows for a lighter device having fewer vibrations, better balance, and improved precision when being used.

Abstract: A robotic tattoo application and tattoo removal methods and systems are described. This technology involves the use of a robotic system guided by control of a graphics capable computer in order to perform various types, including artistic, recreational, cosmetic, or therapeutic tattooing, or tattoo removal.

Abstract: An assembly according to the present invention includes a tattoo machine, a grip attached to the tattoo machine, and a light assembly inside the grip utilizing light emitting diodes (LEDs). The assembly further includes a power supply, a power cord for connecting the tattoo machine to the power supply, and two alligator clips conductively connected to the power cord or tattoo machine which transmit power to the light assembly via wires extending from the light assembly to the alligator clips.

Abstract: A safety needle device for tattooing body and eyebrows comprises a body; a needle; a needle cover for receiving the needle; a holding cover combinable to a rear end of the needle cover; a needle clamper received in the holding cover for clamping the needle at one end and engaged to the body at another end thereof; and a telescopic element installed between the holding cover and a rear end of the needle clamper. The body has a joint; one end of the joint has a combining portion and the needle clamper has a combining block; two wedge recesses are formed at two sides of a connection area between the combining block and the joint. In the unused state, the needle and the needle clamper are received within the needle cover. An interior of the needle cover is formed with a protecting space for receiving the needle.

Abstract: A tattooing device for tattooing transdermal images includes a removable circuit board carrying the electronic components of the tattooing device, facilitating cleaning of the tattooing device. The tattooing device is adjustable to vary the speed of reciprocation of the needle and to vary the force with which the needle is driven. The tattooing apparatus also includes decorative accessories that can be attached to the tattooing device to personalize the appearance of the tattooing device in order to facilitate identification of a particular tattooing device among many. The accessories may also convert the tattooing device into a toy car or motorcycle.

Abstract: A tattoo machine, comprising at least one elongated hollow body inside which there is a cavity for containing a coloring liquid that is connected to the outside by a hole provided at one end of the hollow body, a needle that can slide in a reciprocating fashion along the hole, and elements for moving the needle between a first end position, in which the needle protrudes at least partially from the hollow body, and a second end position, in which the needle is completely accommodated within the hollow body, the movement elements comprising a motor that can be associated with the needle by interposing motion transmission elements provided with a flexible cable, a first end of which can be associated with the motor and a second end of which can be associated with the needle.

Abstract: A marking device with a reciprocating needle is disclosed. The needle is attached to a drive mechanism that is linearly reciprocated via a drive motor. The needle is contained within a removable grip tube for adjustability of the exposed length of the needle end, the needle further including a stabilization mechanism limiting the movements of the needle to linear reciprocating motion. The device includes an open design for easy removal and replacement of device components and allows for utilization of varying dimensioned components such as tubes, needles, and motors available from a variety of manufacturers.

Abstract: Prior art electromagnetic coil technology in tattoo machines employs a round steel post to alternately repel and attract an armature bar retained by a spring, reciprocally moving a needle bar and attached needle groupings into and out of the skin in the act of tattooing. The present invention uses a hexahedron shaped steel post to increase the surface area contacted on the armature bar, improving the magnetism and general movement of the bar. The improved rate of movement of the armature improves the overall functioning of the tattoo machine including the operator's ability to achieve more solid color, smoother shading, and more consistent lines. Removable retaining washers and o-rings are employed to allow the operator to customize and repair the magnetic wire.

Abstract: A tattoo mark is applied to a hog prior to sending the hog to market within a sorting cage with a weigh scale for detecting a weight of the hog and a sorting gate operated by a control unit in response to the detected weight. The mark is applied by a tattoo head having marking members thereon by which impact of the tattoo head on the skin of the hog applies a tattoo mark to the skin and a drive mechanism for driving movement of the tattoo head from a retracted position to an operating position for impacting the skin, the drive mechanism being mounted on a mounting assembly separate from and attached to the confining cage at the confining cage. The control unit is arranged, in response to the determination of a hog weight above the predetermined limit, to operate the drive mechanism to apply the tattoo head to the skin to apply the mark to the hog for market while operating the gate to release the hog to the market pen.

Abstract: A method, device and kit for body decoration. Embodiments of the kit include an ink suitable for body decoration, means for applying the ink to a desired body area, and an electrically powered patch detachably coupled to the application means to promote penetration of the ink into the body area. Embodiments of the device include a fully integrated patch device. The patch device integrates the elements of a kit (i.e., a color formulation, a means for applying, and a patch) into a stand-alone patch. Embodiments of the method include contacting the desired body area with a means for applying, applying ink through the means for applying, and promoting penetration of the ink into the body area with the patch by applying electric current to the ink application. Exemplary applications include temporary and permanent tattooing, applying semi-permanent cosmetics, animal tattooing, and administering therapeutic treatments.

Abstract: An apparatus is disclosed for attaching a needle housing or tube to the frame of a tattoo machine which facilitates cleaning and sterilization. The apparatus, or tube vice, comprises a tube which houses a needle which moves in and out of the subject's skin during tattooing, a hollow cylinder, a split ring ferrule and a compression nut. The tube is inserted into the hollow cylinder and the ferrule slides over the tube. The ferrule, nut and the hollow cylinder have beveled edges which mate. The nut slides over the tube to screw onto the hollow cylinder thereby compressing the ferrule against the tube without bending or crimping the tube. A tube grip may be attached to the tube. A method of manufacturing the tube vice is also disclosed. The tube vice can be provided in kit format.

Abstract: The present invention provides a device for tattooing animals, the device comprising a moving needle-carrier plate (4) whose needles (41) are designed to be covered in ink and to press, at the end of the stroke of the plate, against the skin (P) of an animal in order to tattoo it, and a spongy pad (6) soaked in ink lying on the path of the needles (41) and suitable for being pierced by the needles so that they project against the skin (P) of the animal at the moment of impact. It is remarkable in that said pad (6) is integrated with the plate (4), the assembly being moved by a hammer (8) housed in a guide barrel (5), and that said plate (4) is secured to the outside face (92) of a resilient diaphragm (9) which closes one end of said barrel (5).

Abstract: The composite battery-integrated tattooing machine totally avoids a clip cord and the drag associated with it. The new machine comprises a base frame for removably holding a needle bar housing assembly, a tattoo needle assembly removably mounted to reciprocate within the needle bar housing, a reciprocating motion generator having at least one electromagnet and a make and break mechanism for effecting reciprocating motion of the tattoo needle assembly, a battery, a rheostat, and a switch for actuation of the reciprocating motion of the tattoo needle assembly. An important switch arrangement is radio operated; other switches are hand operated. Special subassemblies are provided for conversion of known professional tattooing machines into the new type having battery power integrated with the tattooing machine. Experts can now tattoo without the annoying drag of a clip cord.

Abstract: An ink application device for tattooing or for making permanent make-up includes a handle, a needle drive, a needle, a needle nozzle and a protective cap. The device further includes at least two modules releasably connected to one another. One of the modules is formed as a reusable base module with an integrated needle drive, and the other module is a sterilized disposable module in which all components of the manual device capable of being infected by bodily fluids of a customer are integrated. The device can be constructively divided into two or three separate modules: a basic module, a disposable or hygienic module and an optional ink module. The basic module corresponds to the handle that includes the needle drive and is designed such that the hygienic module can be safely attached and connected to the integrated needle drive.

Abstract: A continuous injecting apparatus comprises an hollow housing (10) including an upper portion and a lower portion (10′,10″); a syringe (1) mounted in the hollow housing (10); a connector (20) tightly threaded onto the front end portion of the housing (10); an adjusting portion (90) including an adaptor (50) coupled to the rear end of the hollow housing (10); a plug (60) inserted into the adaptor (50); a plunger (70) including a gripper (74) coupled at the front end to the pushing portion (3b) of the syringe (1), a grasping portion (76) formed to force a user to push down the piston (3) of the syringe (1) and a stopper (80) movably mounted onto a rod of the plunger (70), thereby adjusting an amount of medical liquid to be injected for diagnostic or therapeutic purposes.

Abstract: On all modern tattoo machines, the tube grip is a removable part that houses the needle bar, which holds the needle groupings that move into and out of the skin in the act of tattooing. The tube grip and needle groupings must be removable to allow for cleaning and sterilization.