Patent Grant
11750961
An earpiece including an external surface having a first fixed configuration disposable within the outer ear and having a passage adapted for retention of an in ear device, the earpiece heatable to achieve a moldable condition which allows reconfiguration of the external surface by engagement with the outer ear to dispose the external surface in a second fixed configuration in greater conformity to the outer ear.
A wide variety of apparatus which deliver sound to the ear such as medical equipment, headsets, hearing aids, cellular telephones, and the like include in part in ear devices such as earphones, earplugs, earbuds, ear tips, ear tubes, or the like which are not configured to the outer ear of the individual wearer.
Because conventional in ear devices are not configured to the individual wearer's outer ear, the in ear device may not stay in fixed engagement with the outer ear, or the in ear device may not align with the outer portion of the ear canal, or the in ear device may be uncomfortable for the wearer to insert into or retain in the outer ear.
The instant invention provides a moldable earpiece which retains conventional in ear devices to overcome in whole or in part certain of the forgoing disadvantages associated with conventional in ear devices.
Accordingly, a broad object of the invention can be to provide a moldable earpiece which includes an external surface disposed in a first fixed configuration disposable within the outer ear of an ear of a wearer and having a passage adapted for retention of an in ear device which upon heating to a moldable condition allows reconfiguration of the external surface by engagement with the outer ear of a wearer and upon cooling disposes the external surface of the earpiece in a second fixed configuration which retains the in ear device and has greater conformity with the outer ear of the wearer.
Another broad object of the invention can be to provide a method of making a moldable earpiece for retention of an in ear device which includes forming an earpiece to dispose the external surface in a first fixed configuration disposable within the outer ear of an ear and further including a passage adapted for retention of an in ear device capable upon heating of achieving a moldable condition which allows reconfiguration of the external surface of the earpiece by engagement with an outer ear of an ear and upon cooling disposes the external surface in a second fixed configuration having greater conformity with the outer ear.
Another broad object of the invention can be to provide a kit for production of an earpiece which retains an in ear device and which has greater conformity with the wearer's outer ear, the kit including a moldable earpiece having a passage adapted for retention of the in ear device which upon heating to a moldable condition allows reconfiguration of the external surface by engagement with the wearer's outer ear and upon cooling disposes the external surface in a second fixed configuration having greater conformity to the wearer's outer ear and which retains the in ear device.
Another broad object of the invention can be to provide a method of molding an earpiece which retains an in ear device by obtaining an moldable earpiece having an external surface disposed in a first fixed configuration disposable within the outer ear of an ear and having a passage adapted for releasable retention of the in ear device and which by heating the earpiece to achieve a moldable condition allows reconfiguration of the external surface by engagement with said outer ear of said ear and by cooling the earpiece while engaged with the outer ear disposes the external surface in a second fixed configuration having greater conformity with the outer ear.
Naturally, further objects of the invention are disclosed throughout other areas of the specification, drawings, photographs, and claims.
Generally referring to
Embodiments of the moldable earpiece (1) having an external surface (2) disposed in the first fixed configuration (3) can be formed from an amount of moldable material (15). The term “moldable material” means for the purpose of this invention any material which retains a fixed configuration disposable within the outer ear (also referred to as the “first fixed configuration” (3)) at temperatures below about 40° C. (110° F.) and achieves a moldable condition (10) in a temperature range of about 40° C. (about 110° F.) and about 65° C. (150° F.) which allows the external surface (2) of the earpiece (1) to be reconfigured by engagement with the outer ear (4) and allows the passage (6) to be reconfigured by engagement with an in ear device (9) with the material remaining moldable at temperatures sufficiently low to avoid injury to the outer ear (4) or damage to the in ear device (9) and which cures at ambient temperature or while engaged with the outer ear (4) to retain a fixed configuration conformed more closely to the configuration of the outer ear (4) (also referred to as the “second fixed configuration” (11)).
The amount of moldable material (15) can be one or more of, combinations of, or admixtures of one or more thermoplastic polymers suitable for use with the invention, such as: polyethylene, polypropylene, polyvinyl chloride (PVC), polystyrene, polyester, polycaprolactone, polytetrafluoroethylene, acrylonitrile butadiene styrene, or the like.
As one illustrative example, embodiments of the earpiece (1) can be formed from an amount of polycaprolactone polymer (CAS No.: 24989-41-4); however, other thermoplastic polymers suitable for use with embodiments of the invention can have physical properties as those described in Table 1 for polycaprolactone polymer, or similar physical properties which allow the material to be utilized in one or more of the embodiments of the earpiece (1).
As to the illustrative example, polycaprolactone polymers provide a biodegradable polyester with a range of molecular weights in the range of 37,000 and 80,000 each having a melting point of about 60° C. useful in making and using embodiments of the earpiece (1). Polycaprolactone polymers impart good water, oil, solvent, and chlorine resistance. Polycaprolactone polymers are also compatible with wide range of other materials (collectively referred to as “admixed agents” (38)), such as: starch to impart greater biodegradability; colorants, such as alcohol dyes or acrylic coloring agents; powders such as acrylic powder; particulates of plastic, copolymer plastics, metal, bismuth oxychloride, or glitter; or the like, either separately or in various combinations. Polycaprolactone polymers are non-toxic and approved by the United States Food and Drug Administration for specific applications in the human body.
The term “outer ear” for the purposes of this invention includes the visible part of the ear that resides outside of the head (16) (also referred as the “auricle”) which in part includes the outer ear bowl (17) and the outer portion of the open ear canal (18) (also referred to herein as the “concha”) having skin that moves with that of the outer ear bowl (17) (as shown in the example of
The term “ear canal” for the purposes of this invention includes that part of the ear canal (58) from the outer portion of the open ear canal (18) to the location at which in ear canal hearing aids (59) are conventionally worn.
Now referring primarily to
The remaining second portion (20) of the external surface (2) can be formed in the first fixed configuration (3) to provide a generally flat surface (as shown in the examples of
Now referring primarily to
Now referring primarily to
As to particular embodiments, the conduit (25) can take the form of an elastomer layer (28) formed integral with the amount of moldable material (15) to provide a one-piece conduit earpiece (1) (as shown in the examples of
As to other particular embodiments, the conduit (25) can take the form of a flexible elastomer insert (29) which removably couples within the passage (6) the earpiece (1) with the the flexible elastomer insert (29) providing the conduit internal surface (26) defining the configuration of the passage (6) to retain or releasable retain the in ear device (9) in the earpiece (1). A plurality of flexible elastomer inserts (28) each having substantially the same configuration of the conduit external surface (26) can provide a plurality of different configurations of the conduit internal surface (27) to retain or releasably retain a corresponding plurality of different configurations of the in ear device (9) by interchanging the conduit (25) removably coupled within the passage (6) to provide in one earpiece (1) a plurality of different configurations of the conduit internal surface (27).
Additionally, the conduit (25) can be provided with sufficient structural rigidity to maintain the configuration of the passage (6) for retention or releasable retention of the in ear device (9) even in the moldable condition (10) of the earpiece (1).
Now referring primarily to
Now referring primarily to
Now referring primarily to
Now referring primarily to
For example, polycaprolactone polymers can be obtained (step 32) and heated to about 65° C. (150° F.) (step 33) to allow admixing with one or more admixed elements (6) (step 34) and molding an amount of the polycaprolactone polymers in a mold (39) (step 35) to produce the earpiece (1) having an external surface in the first fixed configuration (3). The earpiece (3) can be cooled to room temperature (or below about 40° C. (110° F.) to maintain the configuration imparted by the mold (39).
Production of the kit (13) can further include packaging of the earpiece (1) (as shown in step (36)) separate of any in ear device (9) or in combination with an in ear device (9). Subsequent, distributing of the kit (13) (as shown in step (37)) allows a plurality of earpiece wearers (14) access to a plurality of earpieces (1) having an external surface (2) that can be reconfigured from a first fixed configuration (3) to a second fixed configuration (11) having greater conformity with the wearer's (14) outer ear (4) for retention or releasable retention of an in ear device (9).
Now referring primarily to
A second step includes heating the earpiece (1) to achieve a moldable condition (10) which allows reconfiguration of the external surface (2) (as shown in step 41). Heating to achieve the moldable condition (10) of the earpiece (1) as obtained in step (40) can be accomplished in a variety of ways. As a first illustrative example, the moldable earpiece (1) can be located in a heated enclosure (49). Where the earpiece (1) in the first fixed configuration (3) is formed from polycaprolactone (or other material(s) have same or similar physical properties), the moldable earpiece (1) can be heated within the heated enclosure (49) having sufficient temperature to achieve the molded condition (10). As to particular embodiments, the heated enclosure (49) can have a temperature maintained at about 70° C. (160° F.) and the earpiece (1) can be heated within the heated enclosure (49) for about 10 minutes. The moldable earpiece (3) can be removed from the heated enclosure (49) and allowed to sufficiently cool for engagement with the outer ear (4) (typically about 30 seconds).
As a second illustrative example, the moldable earpiece (1) can be located in an amount of liquid (50). The amount of liquid (50) can be any liquid which does not degrade the moldable material (15) of the earpiece (1) and which can hold a temperature sufficient to heat the earpiece (1) to achieve the moldable condition (10), such as an oil, alcohol, water, or the like, or combinations thereof. Typically, the amount of liquid (50) will be an amount of water (51). The amount of liquid (50) can be sufficiently heated to achieve the moldable condition (10). For example, where the moldable earpiece (3) is made from polycaprolactone polymer, the earpiece (1) can be heated in an amount of water (50) to a temperature of about 60° C. (140° F.) for about 5 minutes. The earpiece (1) can be removed from the heated water (50) and allowed to sufficiently cool for engagement with the outer ear (4) (typically about 30 seconds). As to particular embodiments, the earpiece (1) in the first fixed configuration (3) of the external surface (2) disposed in the amount of liquid (50) can be heated by exposing the earpiece (1) disposed in said amount of liquid (50) to an amount of microwave radiation (51) sufficient to achieve the moldable condition (10). As to particular embodiments, the earpiece (1) can be exposed to an amount of microwave radiation (51) sufficient to achieve the moldable condition (10).
As a third illustrative example, the earpiece (1) can be located in a flow of heated fluid (52). The flow of heated fluid (52) can be a flow of heated air (53); although the invention is not so limited. As to particular embodiments of the earpiece (3) made from polycaprolactone polymer (or other material have the same or similar physical properties), a flow of sufficiently heated air (53) can be obtained from conventional hair dryer (54). The settings of the hair dryer (55) as to temperature and flow rate can be adjusted to allow the earpiece (1) to be sufficiently heated to achieve the moldable condition (10), typically, within a period of about one minute to about 2 minutes. The earpiece (1) can be removed from the flow of heated air (53) and allowed to sufficiently cool for engagement with the outer ear (4) (typically about 30 seconds). The above illustrative examples are not intended to be limiting with respect to the method of heating the moldable earpiece (1) and other methods of heating the moldable earpiece (1) can be utilized, including, for example, a sand bath or salt bath.
Again referring primarily to
Again referring primarily to
Again referring primarily to
As can be easily understood from the foregoing, the basic concepts of the present invention may be embodied in a variety of ways. The invention involves numerous and varied embodiments of a moldable earpiece (1) or moldable earpiece system (12) which can be utilized for the production of a molded earpiece (56) by the process above described.
As such, the particular embodiments or elements of the invention disclosed by the description or shown in the figures or tables accompanying this application are not intended to be limiting, but rather exemplary of the numerous and varied embodiments generically encompassed by the invention or equivalents encompassed with respect to any particular element thereof. In addition, the specific description of a single embodiment or element of the invention may not explicitly describe all embodiments or elements possible; many alternatives are implicitly disclosed by the description and figures.
It should be understood that each element of an apparatus or each step of a method may be described by an apparatus term or method term. Such terms can be substituted where desired to make explicit the implicitly broad coverage to which this invention is entitled. As but one example, it should be understood that all steps of a method may be disclosed as an action, a means for taking that action, or as an element which causes that action. Similarly, each element of an apparatus may be disclosed as the physical element or the action which that physical element facilitates. As but one example, the disclosure of “a moldable earpiece” should be understood to encompass disclosure of the act of “molding an earpiece”—whether explicitly discussed or not—and, conversely, were there effectively disclosure of the act of “molding an earpiece”, such a disclosure should be understood to encompass disclosure of “a moldable earpiece” and even a “means for molding an earpiece.” Such alternative terms for each element or step are to be understood to be explicitly included in the description.
In addition, as to each term used it should be understood that unless its utilization in this application is inconsistent with such interpretation, common dictionary definitions should be understood to be included in the description for each term as contained in the Random House Webster's Unabridged Dictionary, second edition, each definition hereby incorporated by reference.
Moreover, for the purposes of the present invention, the term “a” or “an” entity refers to one or more of that entity; for example, “a light source” refers to one or more of those light sources. As such, the terms “a” or “an”, “one or more” and “at least one” can be used interchangeably herein.
All numeric values herein are assumed to be modified by the term “about”, whether or not explicitly indicated. For the purposes of the present invention, ranges may be expressed as from “about” one particular value to “about” another particular value. When such a range is expressed, another embodiment includes from the one particular value to the other particular value. The recitation of numerical ranges by endpoints includes all the numeric values subsumed within that range. A numerical range of one to five includes for example the numeric values 1, 1.5, 2, 2.75, 3, 3.80, 4, 5, and so forth. It will be further understood that the endpoints of each of the ranges are significant both in relation to the other endpoint, and independently of the other endpoint. The term “about” generally refers to a range of numeric values that one of skill in the art would consider equivalent to the recited numeric value or having the same function or result.
Similarly, the antecedent “substantially” means largely, but not wholly, the same form, manner or degree and the particular element will have a range of configurations as a person of ordinary skill in the art would consider as having the same function or result. When a particular element is expressed as an approximation by use of the antecedent “substantially,” it will be understood that the particular element forms another embodiment.
Thus, the applicant(s) should be understood to claim at least: i) each of the moldable earpieces herein disclosed and described, ii) the related methods disclosed and described, iii) similar, equivalent, and even implicit variations of each of these devices and methods, iv) those alternative embodiments which accomplish each of the functions shown, disclosed, or described, v) those alternative designs and methods which accomplish each of the functions shown as are implicit to accomplish that which is disclosed and described, vi) each feature, component, and step shown as separate and independent inventions, vii) the applications enhanced by the various systems or components disclosed, viii) the resulting products produced by such systems or components, ix) methods and apparatuses substantially as described hereinbefore and with reference to any of the accompanying examples, x) the various combinations and permutations of each of the previous elements disclosed.
The background section of this patent application provides a statement of the field of endeavor to which the invention pertains. This section may also incorporate or contain paraphrasing of certain United States patents, patent applications, publications, or subject matter of the claimed invention useful in relating information, problems, or concerns about the state of technology to which the invention is drawn toward. It is not intended that any United States patent, patent application, publication, statement or other information cited or incorporated herein be interpreted, construed or deemed to be admitted as prior art with respect to the invention.
The claims set forth in this specification, if any, are hereby incorporated by reference as part of this description of the invention, and the applicant expressly reserves the right to use all of or a portion of such incorporated content of such claims as additional description to support any of or all of the claims or any element or component thereof, and the applicant further expressly reserves the right to move any portion of or all of the incorporated content of such claims or any element or component thereof from the description into the claims or vice-versa as necessary to define the matter for which protection is sought by this application or by any subsequent application or continuation, division, or continuation-in-part application thereof, or to obtain any benefit of, reduction in fees pursuant to, or to comply with the patent laws, rules, or regulations of any country or treaty, and such content incorporated by reference shall survive during the entire pendency of this application including any subsequent continuation, division, or continuation-in-part application thereof or any reissue or extension thereon.
The claims set forth in this specification, if any, are further intended to describe the metes and bounds of a limited number of the preferred embodiments of the invention and are not to be construed as the broadest embodiment of the invention or a complete listing of embodiments of the invention that may be claimed. The applicant does not waive any right to develop further claims based upon the description set forth above as a part of any continuation, division, or continuation-in-part, or similar application.
This United States patent application is a continuation of U.S. patent application Ser. No. 17/020,207, filed Sep. 14, 2020, now U.S. Pat. No. 11,303,986, issued Apr. 12, 2022, which is a continuation of U.S. patent application Ser. No. 16/127,120, filed Sep. 10, 2018, now U.S. Pat. No. 10,779,073, issued Sep. 15, 2020, which is a continuation of U.S. patent application Ser. No. 15/707,953, filed Sep. 18, 2017, now U.S. Pat. No. 10,091,571, issued Oct. 2, 2018, which is a continuation of U.S. patent application Ser. No. 15/485,967, filed Apr. 12, 2017, now U.S. Pat. No. 9,769,555, issued Sep. 19, 2017, which is a continuation of U.S. patent application Ser. No. 15/251,923, filed Aug. 30, 2016, now U.S. Pat. No. 9,628,889, issued Apr. 18, 2017, which is a continuation of U.S. patent application Ser. No. 13/761,947, filed Feb. 7, 2013, now U.S. Pat. No. 9,451,353, issued Sep. 20, 2016, which claims the benefit of U.S. Provisional Patent Application 61/596,567, filed Feb. 8, 2012, each hereby incorporated by reference herein.
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| Number | Date | Country | |
|---|---|---|---|
| 20220239999 A1 | Jul 2022 | US |
| Number | Date | Country | |
|---|---|---|---|
| 61596567 | Feb 2012 | US |
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| Child | 17020207 | US | |
| Parent | 15707953 | Sep 2017 | US |
| Child | 16127120 | US | |
| Parent | 15485967 | Apr 2017 | US |
| Child | 15707953 | US | |
| Parent | 15251923 | Aug 2016 | US |
| Child | 15485967 | US | |
| Parent | 13761947 | Feb 2013 | US |
| Child | 15251923 | US |
