Device and method for removing earwax
09918878 ยท 2018-03-20
Inventors
Cpc classification
International classification
A61F11/00
HUMAN NECESSITIES
Abstract
The present invention describes an earwax removal device having varying structures to provide different earwax removal capabilities. In all designs, the overall contour of the earwax-extracting member resembles the dimensions of the external auditory canal and is flexible enough to conform to it during insertion. Each engages and collects wax using the pressure of insertion and rotation effects. Embodiments include a club-like member having multiple protrusions and extractions to collect wax along its sides, and an opening in the tip that leads to a channel to collect wax; a flexible spiral member to compress when the device is inserted in an ear and thereby extract wax as it expands when the device is removed; a screw-like structure to laterally move wax and grind as it rotates; a multi-channel structure to cut and collect wax simultaneously; and a shovel-like structure to effectively shear and scrape wax from an ear canal.
Claims
1. An earwax removal device comprising: a shaft having a longitudinal axis; an earwax-extracting member comprising a central rod having a first end and a second end, the second end connected to an end of the shaft, the central rod extending in a direction substantially parallel to the longitudinal axis of the shaft; and a helical ridge member characterized as having a spiraling outer edge extending about the central rod, wherein the helical ridge member has a helical spacing coiled along the longitudinal axis of the shaft to direct wax within and along the longitudinal axis of the shaft; wherein the spiraling outer edge has a notch traversing a surface of the spiraling outer edge and traversing the helical spacing coiled along the longitudinal axis of the shaft, thereby separating the spiraling outer edge of the helical ridge member into a discontinuous upper helical ridge member region and a lower helical ridge member region; wherein the notch traversing the surface of the spiraling outer edge forms at least one substantially vertical edge within the helical ridge member and is adapted to engage and direct wax toward the second end of the central rod when the earwax removal device is rotated.
2. The earwax removal device of claim 1, the helical ridge member having widths perpendicular to the longitudinal axis of the shaft, wherein widths of the helical ridge member at two different distances from the end of the shaft to which the flexible body is connected are different from each other.
3. The earwax removal device of claim 1, wherein an opening is formed in the first end of the central rod, a hole is formed in the central rod, and a tunnel is formed inside the central rod such that the opening of the central rod and the hole of the central rod are connected to the tunnel.
4. The earwax removal device of claim 1, wherein the notch is a plurality of notches traversing the surface of the spiraling outer edge of the helical ridge member.
5. The earwax removal device of claim 4, wherein the plurality notches are substantially in vertical alignment to each other along the longitudinal axis of the shaft.
6. The earwax removal device of claim 1 wherein the first end of the earwax-extracting member is characterized as having a conical shape, thereby configured to substantially conform to a shape of an eardrum, thereby decreasing a chance of eardrum injury.
7. The earwax removal device of claim 1, wherein the earwax-extracting member is made from a flexible material whereby the earwax-extracting member is capable of compressing and expanding along the longitudinal axis of the shaft to dislodge engaged wax.
8. The earwax removal device of claim 1, wherein the shaft is characterized as having a region of diameter greater than a diameter of the earwax extracting member, thereby configured to limit passage of the earwax extracting member at a narrowing of an ear canal at a bony-cartilaginous junction.
9. The earwax removal device of claim 1, wherein the earwax extraction member is more flexible than the shaft, thereby allowing the earwax extraction member to twist at a different angle than the shaft.
10. The earwax removal device of claim 9, wherein the central rod of the earwax-extracting member is flexible and narrower than the shaft of the earwax removal device, thereby allowing the earwax removal device to bend at a juncture between the earwax-extracting member and the shaft, thereby allowing the earwax removal device to conform to a shape of an ear canal.
11. The earwax removal device of claim 1, wherein the notch is angularly offset from the longitudinal axis of the shaft, thereby forming an angular grinding edge of the spiraling outer edge to engage and scrape wax from an ear canal.
12. An earwax removal device comprising: a shaft having a longitudinal axis; an earwax-extracting member comprising a central rod having a first end and a second end, the second end connected to an end of the shaft, the central rod extending in a direction substantially parallel to the longitudinal axis of the shaft; and a helical ridge member characterized as having a spiraling outer edge extending about the central rod, wherein the helical ridge member has a helical spacing coiled along the longitudinal axis of the shaft to direct wax within and along the longitudinal axis of the shaft; wherein the spiraling outer edge has a notch traversing a surface of the spiraling outer edge and traversing the helical spacing coiled along the longitudinal axis of the shaft, thereby separating the spiraling outer edge of the helical ridge member into a discontinuous upper helical ridge member region and a lower helical ridge member region; wherein the notch traversing the spiraling outer edge forms at least one substantially vertical edge within the helical ridge member and is adapted to engage and direct wax toward the second end of the central rod when the earwax removal device is rotated; wherein the earwax-extracting member is made from a flexible material whereby the earwax-extracting member is capable of compressing and expanding along the longitudinal axis of the shaft to dislodge to dislodge engaged wax; wherein the shaft is characterized as having a region of diameter greater than a diameter of the earwax extracting member, thereby configured to limit passage of the earwax extraction member at a narrowing of an ear canal at a bony-cartilaginous junction; wherein the earwax extraction member is more flexible than the shaft, thereby allowing the earwax extraction member to twist at a different angle than the shaft; wherein the central rod of the earwax-extracting member is flexible and narrower than the shaft of the earwax removal device, thereby allowing the earwax removal device to bend at a juncture between the earwax-extracting member and the shaft, thereby allowing the earwax removal device to conform to a shape of an ear canal; and, wherein the notch is angularly offset from the longitudinal axis of the shaft, thereby forming an angular grinding edge of the spiraling outer edge to engage and scrape wax from an ear canal.
Description
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
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DETAILED DESCRIPTION OF THE INVENTION
(41) The detailed description set forth below in connection with the appended drawings is intended to provide example embodiments of the present invention and is not intended to represent the only forms in which the invention may be constructed or utilized. The description sets forth the functions and the sequences of steps for constructing and operating the invention. However, it is to be understood that the same or equivalent functions and sequences may be accomplished by different embodiments that are also intended to be encompassed within the spirit and scope of the invention.
(42) Some embodiments of the invention will be described in detail with reference to
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(44) The components of the device 10 may be made of plastic, rubber, metal, or another suitable material as required for desired control and flexion. Additionally, the device 10 can be comprised of a single, solid material or can have a core material with an outer shell, e.g. a wire covered by a molded plastic that has the appropriate structure. The device 10 and its components are intended to be either disposable or reusable. The device 10 can also be made of a material suitable for various methods of sterilization, including irradiation.
(45) The shaft 20 may be of varying lengths and widths. The shaft 20 can be manually rotated by the user or can incorporate a motor-driven shaft 20 that provides rotation. A typical length range can be two to three inches, but longer or shorter lengths may be utilized depending on the desired amount of control. The width of the shaft 20 can be similar to that of the ear canal, about six to seven millimeters, particularly when the shaft 20 and earwax-extracting member 30 form a single structure. The shaft 20 can also include gripping surface 24, such as a flange design, etching, spiral ridging or a coarse surface, to improve handling. The shaft 20 can also include a handle 26 in any suitable form for improved gripping.
(46) The design of the shaft 20 of the device 10 generally remains the same while the earwax-extracting member 30 can have significantly different structures. However, each embodiment of the present invention may have several common properties. Unless otherwise specified, each embodiment can include a conical surface configuration or conical configuration of members at the tip portion 50 of the device 10 to meet flush with the tympanic membrane. Each device 10 can have a soft widening of the body portion 40 or increase in the height of the active surface members, which create a gradual widening of the wax removal tip as the external auditory canal widens. Further, each device 10 can include an opening 54 in the tip portion 50 that leads to a channel through which wax is actively driven or channeled by the pressure of device 10 insertion and rotation. The body portion 40 of the earwax-extracting member 30 can include an exit hole 49 to exhaust wax under pressure in the device body closer to the tip. The device 10 can be comprised of a flexible material such that the body of the earwax-extracting member 30 can compress and expand to dislodge engaged wax. Use of a softer material, such as soft plastic or rubber, can allow for a tight fit of the earwax-extracting member 30 against the ear canal skin, thereby enhancing functionality. Ear wax removing tips with soft core or compressible design will self-guide through the external auditory canal tortuosities and compress to minimize the risk of damage during blind insertion. In addition, the earwax-extracting members 30 that anatomically fit the external auditory canal can remove the wax bolus as a single collection.
(47) The typical human ear canal is about five to six millimeters across in the bony portion near the tympanic membrane and about eight to ten millimeters wide ear the lateral, cartilaginous region. The canal length, about two to three centimeters long, defines the maximum depth of penetration of the earwax-extracting member 30. Various widths permit the device 10 to adapt to individual variations in the human ear canal. Anatomically correct wax removal devices better conform to an ear canal to ensure that the surface contacts are flush with the skin and eardrum to avoid damage that may occur when small tools are inserted blindly in uncontrolled directions. Also, the canal-fitted tools can more effectively remove the wax in bulk. Other configurations can be determined for appropriate animals.
(48) The device 10 can have internal safety guards to control the depth at which the device 10 is inserted in the ear canal. For example, each device 10 can include a guard member 70, such as a ring or coil, or another suitable sharp local flaring at about five to seven millimeters from the tip portion 50 or end of the earwax-extracting member 30. The guard member 70 is intended to limit the extent of tip penetration at the narrowing of the canal known as the bony-cartilaginous junction.
(49) Additional rings or flares along the earwax-extracting member's body can be included to control the width of the body and limit penetration in the ear from the conchal bowl region into the external auditory canal itself. They can be used to adjust the exposure of the functional elements, such as bristles 45, to the canal skin surface. Such embodiments can comprise three extension members distributed about the body portion 40 and tip portion 50 of the device 10. A first extension member is located along the perimeter of the tip portion 50, a second extension member is located at the junction of the upper section 41 and lower section 43 of the body portion 40, and a third extension member is located at an end of the wax extracting member 30 closest to the shaft 20 of the device 10. The extension members may be in the shape of solid rings or coils and can be used to control the depth to which the earwax-extracting member 30 can be inserted in the ear canal. Section dividing rings or coils can enhance device 10 rotation through canal curvatures.
(50) As discussed above, the earwax-extracting member 30 may have variations in dimensions and configurations. For example, a straight, wide cylindrical design can contact the ear canal walls more evenly and draw in softer wax as it rotates. A conical design that tapers toward the tip may bore into a harder wax plug, intending to engage the plug and extract it entirely. A narrow cylindrical design may bore smaller holes into a large solid wax accumulation, which may facilitate removal with a second extraction technique. All surfaces of the earwax-extracting members 30 can be textured or etched to increase hold of the wax onto the device 10. A wide base, with or without a narrower tip segment, is a safety control that can limit penetration of the wax removing tip.
(51) The earwax-extracting member 30 may vary in sharpness and hardness. Soft wax would be safely and effectively removed with soft outer edges whereas harder wax may warrant sharper, blade-like edges that cut into the wax. The earwax-extracting member 30 may terminate with or without a tip such that it can have a flat end or have a gentle, conical rise that can engage wax near the tip. The conical design may come to a point or have a blunt end. A flat, umbrella-style cover may be added to the end of the earwax-extracting member 30 to minimize the risk of damage to the eardrum. The umbrella-style cover may have an added coating or surface material, such as foam or cotton to further prevent potential damage to the eardrum. The ear-extracting member in all embodiments can be made of a soft, malleable plastic, rubber, or other suitable material to conform to the anatomical shape of the ear canal.
(52) All embodiments of the earwax-extracting member 30 can flex and can be compressible in a direction along the longitudinal axis of the shaft 20 of the device 10. The range of compressibility is approximately one millimeter to four millimeters. Embodiments using firmer plastics generally compress when coil or spring segments are utilized. Embodiments using softer materials can vary in the amount of compressibility, depending on the structure of the earwax-extracting member 30. The various compressible and extension structures of the earwax-extracting member 30 effectively engage and dislodge wax while minimizing the risk of damage that can be caused by overly forceful insertions.
(53) The earwax-extracting member 30 can have a hollow core to admit and collect wax, as well as an opening 54 at the tip portion 50, to core into impacted wax. The openings in the earwax-extracting member 30 can lead to at least one channel within the body to effectively collect wax, steer the wax laterally out of the canal, and actively prevent impaction of wax. In other embodiments, the body portion 40 may be comprised of a harder material to scrape out harder wax in the ear canal. In addition, the hollow interior may be filled with a wire mesh that aids in grating wax, or a cutting blade(s) to cut canal hair.
(54) Several non-limiting specific embodiments of the device 10 having various earwax-extracting members 30 are described below. The scope of the invention shall not be limited to the following examples or their headings.
Embodiments of the Present Invention Having a Club Design
(55) As shown in
(56) As illustrated in
(57) Multiple protrusions 46 and multiple recesses 48 are formed on the surface of the body portion 40 and multiple protrusions 52 are formed on the tip portion 50.
(58) The widths of the body portion 40 at two different distances from the second end 44 of the body portion 40 are different from each other. The varying widths allow the device 10 to better fit within the ear canal. For example, as shown in
(59) To prevent damage to the eardrum, the tip portion 50 can be slanted in a conical manner such that an angle between a tangent plane to a central surface of one of the protrusions 52 of the tip portion 50 and a horizontal plane perpendicular to the longitudinal axis of the shaft 20 is approximately 15 or less. To further prevent damage to the eardrum, a guard member 70, such as a ring or other suitable extending structure, can surround the body portion 40 at the second end 44 of the body portion 40.
(60) Alternatively, a safety mechanism can be used at three junctions of the ear-extracting member. For example a safety mechanism can include three extension members, a first extension member 32 surrounding the perimeter of the tip portion 50, a second extension member 34 surrounding the perimeter of the body portion 40 and located between the upper section 41 and the lower section 43, and a third extension member 36 surrounding the perimeter of the body portion 40 and located proximate to the second end 44 of the body portion 40. The first through third extension member can increase in size to anatomically correspond with the ear.
(61) In some embodiments, shown in
Embodiments of the Present Invention Having a Bristle Design
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(63) In an alternative embodiment shown in
(64) In yet another alternate embodiment shown in
Embodiments of the Present Invention Having a Coil Design
(65) The device 10 having a flexible coil-like earwax-extracting member 30 is shown in
(66) The flexible body 80 can be comprised of a plurality of rings 90, the rings 90 connected and stacked in a zigzag manner as shown in
(67) In yet another embodiment shown in
Embodiments of the Present Invention Having a Screw Design
(68) Several screw-type embodiments of the device 10 are illustrated in
(69) For example, as illustrated in
(70) As shown in
(71) In another embodiment of the earwax-extracting member 30, illustrated in
Embodiments of the Present Invention Having a Multi-Channel Design
(72) The device 10 having a multi-channel design is shown in
(73) As shown in
(74) Further, as shown in
(75) In another embodiment shown in
Embodiments of the Present Invention Having a Shovel Design
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(77) Another embodiment of the shovel-like device 10 shown in
(78) In yet another embodiment shown in
(79) As will be understood upon using the embodiments of the device 10, one earwax-extracting member 30 can provide multi-functional properties. The tip portion 50 and body portion 40 can provide dual-action structures and mechanisms to remove different forms of wax from the ear at the front end of the device 10 and on the sides of the device 10. In addition, various embodiments utilizing spring structures, ridge structures, openings, tunnels and holes in the device 10 can increase the function of capturing and removing wax in different manners.
(80) A method for removing earwax from an ear canal is also described, the method comprising the steps of providing any of the above embodiments of the earwax removal device 10, inserting the earwax-extracting member 30 of the earwax removal device 10 into the ear canal, rotating the earwax removal device 10 while the earwax-extracting member 30 of the earwax removal device 10 is located in the ear canal, and pulling out the earwax-extracting member 30 of the earwax removal device 10 from the ear canal. Certain embodiments of the device 10, such as those described with a coil design above, do not require the rotating step to effectively capture and remove wax from the ear.
(81) While the present invention has been described with regards to particular embodiments, it is recognized that additional variations of the present invention may be devised without departing from the inventive concept. A person skilled in the art would appreciate that exemplary embodiments described hereinabove are merely illustrative of the general principles of the present invention. Other components, configurations, modifications or variations may be employed that are within the scope of the invention. Accordingly, the drawings and description are illustrative and not meant to be a limitation thereof.
(82) All terms should be interpreted in the broadest possible manner consistent with the context. In particular, the terms comprises and comprising should be interpreted as referring to elements, components, or steps in a non-exclusive manner, indicating that the referenced elements, components, or steps may be present, or utilized, or combined with other elements, components, or steps that are not expressly referenced. Thus, it is intended that the invention cover all embodiments and variations thereof as long as such embodiments and variations come within the scope of the appended claims and their equivalents.