Patent Grant
11937661
The embodiments set forth herein relate, generally, to head unit systems and, more specifically, to a head unit system with a connector for a peripheral device.
Conventional head units known in the art are employed to provide personal protection to a user, such as a medical professional engaged in a surgical procedure. To that end, the head unit is mounted to the user's head for concurrent movement, and an article is removably attached to the head unit to serve as a barrier between the user and the operating environment. The article is typically realized as a transparent face shield, and may also include a disposable hood (sometimes referred to as a “gown” or “toga”). The article protects the user during medical practices and procedures by preventing contact with blood, tissue, bone fragments, and the like during execution of medical procedures, such as blood splatter dispersed by a surgical instrument.
Those having ordinary skill in the art will appreciate that the user experiences a certain level of discomfort when equipped with articles of the types described above. By way of example, the presence of the head unit and/or article can make visual observation difficult for the user where glare is created on the face shield or shadows are cast over the user's eyes. Verbal communication can similarly be complicated in that the article can muffle the user's voice and make it difficult for the user to hear. Further, where the article employs a hood, heat and CO2 may be trapped and/or accumulate in the hood, thereby affecting the user's breathing and body temperature regulation.
There remains a need in the art for a head unit which can be used in different types of medical practices and procedures, and which strikes a substantial balance between usability, functionality, and manufacturing cost while, at the same time, affording improved adaptability to accommodate different types of features to improve user comfort and sensory perception.
In one embodiment, a head unit system for a head of a user is provided with a headpiece for being worn over the head of the user. The headpiece includes a support structure shaped to be worn over the head of the user. A shield mount is operatively attached to the support structure and is arranged for supporting a face shield adjacent to the head of the user. A headpiece connector is operatively attached to the support structure and includes a headpiece contact configured for electrical connection. A first peripheral device is provided for being secured to the headpiece for concurrent movement therewith. The first peripheral device has a first device connector with a first device contact configured for electrical connection. A second peripheral device is provided for being secured to the headpiece for concurrent movement therewith. The second peripheral device has a second device connector with a second device contact configured for electrical connection. One of the first device connector and the second device connector are configured to cooperate with the headpiece connector to releasably attach one of the first peripheral device and the second peripheral device to the headpiece in a secured configuration with the headpiece contact and one of the first device contact and the second device contact abutting in the secured configuration so as to facilitate electrical connection between the headpiece connector and one of the first device connector and the second device connector when the respective peripheral device is secured to the headpiece.
With reference now to the drawings, wherein like numerals indicate like parts throughout the several views, a user is generally shown at 20 in
Referring now to
The device connector 40 and the headpiece connector 34 cooperate to releasably attach the peripheral device 38 to the headpiece 26 in a secured configuration, generally indicated at 44 (see
As noted above, the headpiece 26 is adapted to be worn over the head 22 of the user 20. As will be appreciated from the subsequent description below, the headpiece 26 can be configured in a number of different ways sufficient to be removably attached to the head 22 of the user 20 and, thus, could employ a number of different structural features or components which cooperate to that end.
In the representative embodiment illustrated in
The surgical gown 46 is typically disposable and may be formed integrally with the face shield 32 such that when the face shield 32 is secured to the shield mount 30, the gown 46 is likewise secured to the support structure 28. However, the gown 46 could be formed separately from the face shield 32 and, thus, could be secured to the support structure 28, or any other suitable part of the headpiece 26, in any suitable way. Moreover, while the gown 46 cooperates with the face shield 32 and the head unit system 24 so as to provide a protective barrier for the user 20, those having ordinary skill in the art will appreciate that the gown 46 could be omitted for certain applications, such as for use during medical practices and procedures where a face shield 32 provides the user 20 with adequate personal protection. By way of non-limiting example, in the representative embodiment illustrated in
Referring now to
In the representative embodiment illustrated in
Those having ordinary skill in the art will appreciate that the mounts 30A, 30B of the headpiece 26 and/or the shield mounts 58A, 58B of the face shield 32 could be arranged or otherwise configured in any suitable way sufficient effect releasable attachment of the face shield 32 to the headpiece 26, as noted above. By way of non-limiting example, the mounts 30A, 30B, 58A, 58B may be complimentary fasteners such as hook-and-loop fasteners, magnetic fasteners, and the like. Moreover, it will be appreciated that the head unit system 24 could employ any suitable number of mounts 30A, 30B, 58A, 58B in any suitable arrangement. Furthermore, it will be appreciated that the mounts 30A, 30B could be formed integrally with or otherwise operatively attached to any suitable portion or component of the support structure 28 of the headpiece 26. Similarly, it will be appreciated that the shield mounts 58A, 58B could be formed integrally with or otherwise operatively attached to any suitable portion or component of the face shield 32.
In the embodiment illustrated in
Referring now to
As is described in greater detail below, the peripheral device module 66 could be realized in a number of different ways and could be generally configured to afford the user 20 with enhanced sensory perception; the ability to record, receive, and/or transmit visual and/or audible information, and the like. With reference to
With reference now to
The power interface 82 is configured to provide a source of electrical power to the peripheral device module 66 of the secured peripheral device 38, such as direct current electricity communicated from the headpiece 26 via one or more headpiece contacts 36. To that end, and as shown in phantom in
The signal interface 84 is configured to facilitate one-way or two-way communication between the headpiece 26 and the secured peripheral device 38. Thus, through the signal interface 84, the peripheral device 38 can transmit and/or receive various types of information to and/or from the headpiece 26 so as to control or otherwise aid in the operation of the peripheral device 38. Here, the communication may be electrical communication effected via electrical signals communicated from the headpiece 26 via one or more headpiece contacts 36 disposed in electrical communication with one or more controllers, generally indicated at 94 and described in greater detail below (see
As illustrated in
It will be appreciated that the signal interface 84 can be utilized in different ways depending on the type of peripheral device module 66 utilized. By way of example, as shown in
In one embodiment, the controller 94 is configured to limit or otherwise prevent operation of the secured peripheral device 38 in response to predetermined information communicated across the signal interface 84. By way of non-limiting example, the controller 94 could determine, such as via the signal interface 84, that a peripheral device 38 has been connected to the headpiece 26 in the secured configuration 44. Here, if the controller 94 were to determine that the secured peripheral device 38 included an unrecognized (or, unauthorized) peripheral device module 66, the controller 94 could subsequently interrupt or limit power to the respective device connector 40 in response. To this end, the controller 94 could be provided with memory in which predetermined identification ID information data are stored, which may be used to authenticate peripheral devices 38 and/or specific peripheral device modules 66. The peripheral devices 38 and/or peripheral device modules 66 could likewise be provided with memory in which predetermined identification ID data are stored (for example, corresponding to data stored in a “lookup table” stored in memory of the controller 94). These predetermined identification ID information data may also be used to define operational parameters of the peripheral device modules 66 (for example: electrical requirements, communication protocols, etc.) to subsequently facilitate proper operation of the peripheral device 38 via the controller 94, as noted above.
It will be appreciated that other types of authentication may be employed by the head unit system 24 to prevent or otherwise restrict the use of the headpiece 26 with unauthorized peripheral devices and/or peripheral device modules or, conversely, to prevent or otherwise restrict the use of the peripheral device 38 with unauthorized headpieces. By way of non-limiting example, the head unit system 24 could employ Radio-Frequency Identification (RFID) to authenticate and/or identify the peripheral device 38 in addition to information communicated across the signal interface 84.
The physical interface 86 is configured to effect releasable attachment of the peripheral device 38 to the headpiece 26 in the secured configuration 44. More specifically, the physical interface 86 ensures concurrent movement between the headpiece 26 and the secured peripheral device 38 while, at the same time, facilitating connection of the peripheral device 38 to the power interface 82 and/or the signal interface 84. As is described in greater detail below, the physical interface 86 can be configured in a number of different ways to facilitate releasable attachment to the peripheral device 38. Moreover, the physical interface 86 can be employed to secure the peripheral device 38 in different ways depending on application requirements. As shown in
As noted above, in one embodiment, the device connector 40 of the peripheral device 38 is removably secured to the headpiece connector 34 of the headpiece 26 via the physical interface 86 so as to effect electrical communication via the power interface 82 and/or the signal interface 84 via direct electrical connection across the headpiece contact 36 and the device contact 42 in the secured configuration 44, as noted above. Thus, it will be appreciated that the secured peripheral device 38 can be powered by and/or communicate electrically with the headpiece 26 via the power interface 82 and/or signal interface 84 which, in turn, can communicate with or be provided power by one or more additional systems or modules.
With reference now to
As noted above, the headpiece 26 may advantageously include multiple headpiece connectors 34 that are arranged for connection with different types of peripheral devices 38 and, thus, with different types of peripheral device modules 66. As such, the power interface 82, the signal interface 84, and the physical interface 86 of the headpiece connector 34 are configured to facilitate interchangeable releasable attachment of any peripheral device 38 to any suitable device connector 40 in any of the mounting positions 96 of the headpiece 26. To that end, in one embodiment, the headpiece connector 34 is further defined as a first headpiece connector 34A, and the headpiece 26 of the head unit system 24 includes a second headpiece connector 34B operatively attached to the support structure 28. Here, each of the headpiece connectors 34A, 34B defines a respective predetermined mounting position 96A, 96B of the headpiece 26 for selectively and interchangeably securing the peripheral device 38 in one of the mounting positions 96A, 96B. Specifically, as shown in
It should be appreciated that certain headpiece connectors 34A, 34B may include fewer than all of the power interface 82, the signal interface 84, and the physical interface 86. Furthermore, it is conceivable that all device connectors 34A, 34B could include the same interfaces 82, 84, 86 so as to allow different peripheral devices 38 to connect to any of the available device connectors 34A, 34B.
As shown in
In the representative embodiment of the headpiece 26 illustrated herein, a total of five mounting positions 96A, 96B, 96C, 96D, 96E are provided and are defined by respective headpiece connectors 34A, 34B, 34C, 34D, 34E operatively attached to the support structure 28 (see
As shown best in
As shown in
Advantageously, each of the headpiece connectors 34A, 34B, 34C, 34D, 34E includes the same number of headpiece contacts 36A, 36B, 36C, 36D, 36E, 36F, 36G, 36H arranged in a common pattern 102 with respect to each other. As shown in
The device contacts 42A, 42B, 42C, 42D, 42E, 42F, 42G, 42H are likewise arranged so as to mirror the common pattern 102 (compare
Referring now to
As noted above, the physical interface 86 of the device connector 40 is employed to releasably attach the peripheral device 38 to the headpiece 26, and may be further employed to effect proper alignment between the connectors 34, 40 so as to correspondingly ensure proper function of the power interface 82 and/or the signal interface 84. To that end, in one embodiment, the device recess 108 of the device connector 40 includes a keyway 116, and the headpiece block 114 of the headpiece connector 34 includes a key 118 for engaging in the keyway 116 in the secured configuration 44 so as to effect alignment of the connectors 34, 40 as the peripheral device 38 is secured to the headpiece 26. It will be appreciated that the arrangement of the key 118 and the keyway 116 could be effected in a number of different ways and by any suitable component or structural feature of either connector 34, 40. Moreover, the specific configuration of connectors 34, 40 described above could be re-arranged or otherwise configured in any suitable way sufficient to releasably attach the peripheral device 38 to the headpiece 26, as described above.
In the representative embodiments illustrated herein, the key 118 and the keyway 116, or other suitable complimentarily shaped structure, are arranged so as to at least partially support the peripheral device 38 by the headpiece 26 in the secured configuration 44 so as to inhibit transverse disengagement between the headpiece connector 34 and the device connector 40. Furthermore, the physical interface 84 may include other features so as to secure the peripheral device 38 to the headpiece 26 and to inhibit transverse disengagement between the headpiece connector 34 and the device connector 40.
Advantageously, and according to one embodiment, the headpiece connector 34 includes a first magnetic element 120 and the device connector 40 includes a second magnetic element 122. The first and second magnetic elements 120, 122 are arranged such that magnetic attraction therebetween maintains abutment between the headpiece contact 36 and the device contact 42 in the secured configuration 44. It will be appreciated that this configuration of the physical interface 86 promotes proper alignment and functionality of the power interface 82 and/or the signal interface 84. However, those having ordinary skill in the art will appreciate that the physical interface 86 could be configured in any suitable way sufficient to releasably attach the peripheral device 38 to the headpiece 26, as noted above.
In one embodiment, the first and second magnetic elements 120, 122 have opposing magnetic polarity. In another embodiment, the headpiece connector 34 further includes a third magnetic element 124 and the device connector 40 further includes a fourth magnetic element 126. Here too, the third and fourth magnetic elements 124, 126 are arranged such that magnetic attraction therebetween maintains abutment between the headpiece contact 36 and the device contact 42 in the secured configuration 44. In one embodiment, the third and fourth magnetic elements 124, 126 have opposing magnetic polarity. Similarly, in one embodiment the first and third magnetic elements 120, 124 have opposing magnetic polarity. It will be appreciated that this configuration of the physical interface 86 prevents improper alignment of the contacts 34, 40 in the secured configuration 44, which, by way of non-limiting example, may be particularly advantageous where the common pattern 102 described above is symmetrical and the keyway 116 and/or the key 118 are omitted from the physical interface 86.
As noted above, a number of different components or structural features could be employed by the physical interface 84 so as to secure the peripheral device 38 to the headpiece 26 and to inhibit transverse disengagement between the headpiece connector 34 and the device connector 40. To this end, and as is depicted with dash-dot-dash phantom lines in
In the representative embodiment illustrated in phantom in
In the representative embodiment illustrated herein, the second lock elements 132 are realized as protrusions, and the first lock elements 130 each have a resilient cantilevered body 134 extending from the device connector 40 to a release end 136, with a cam surface 138 adjacent to an engagement surface 140 arranged between the device connector 40 and the release end 136. In use, when the device connector 40 is being attached to the headpiece connector 34, the cam surfaces 138 of the first lock elements 130 come into contact with the second lock elements 132 so as to urge the respective cantilevered bodies 134 away from each other until the secured configuration 44 is reached and the cantilevered bodies 134 subsequently move back towards each other as the engagement surfaces 140 come into abutment with the second lock elements 132 to lock the connectors 34, 40 together. In order to remove the device connector 40 from the headpiece connector 34, force may be applied to the release ends 136 until the engagement surface 140 each respectively come out of abutment with the second lock elements 132 at which point the device connector 40 can be detached from the headpiece connector 34.
As noted above, the peripheral device module 66 of the peripheral device 38 can be configured in a number of different ways depending on the application. In the embodiment of the peripheral device 38 illustrated in
In the embodiment illustrated in
With continued reference to
The projection module 74 employs a projection source, generally indicated at 152, configured to emit the predetermined pattern of light 150. It will be appreciated that the projection source 152 could be of any suitable type capable of emitting visible light with a wavelength of approximately 390-700 nm. By way of non-limiting example, the projection source 152 could be realized as a light-emitting diode (LED) or a laser diode that employs one or more standard components, such as mirrors and/or lenses which cooperate to effect projection of the pattern of light 150 onto objects in the field of view 142 of the camera 72.
As shown in
Referring again to
In one embodiment, the peripheral device module 66 may include a visual display module, generally indicated at 116 as noted above, that is configured to display predetermined data adjacent to the head 22 of the user 20, such as via data DA or communication CM transmitted across the signal interface 84. By way of non-limiting example, the visual display module 80 could be realized as one or more status indicating lights and/or a display panel so as to serve as a so-called “heads-up display”.
In one embodiment, the headpiece 26 includes an input control 154 configured so as to facilitate selective control of one or more secured peripheral devices 38. As shown schematically in
In this way, the head unit system 24 provides significantly increased modular attachment of peripheral devices 38 to headpieces 26 configured to provide a personal protective barrier to the user 20 while, at the same time, facilitating electrical communication between the peripheral device 38 and headpiece 26. In particular, the head unit system 24 enables the user 22 to selectively interchange and re-position different types of peripheral devices 38 equipped with different peripheral device modules 66 to accommodate respectively different applications with a single headpiece 26. By way of example, the user 20 can secure a peripheral device 38 with a light source 70 peripheral device module 66 for use during certain medical practices and procedures, and can remove and/or exchange it for a peripheral device 38 with a different peripheral device module 66 during other medical practices and procedures. Moreover, it will be appreciated that the arrangement of multiple headpiece connectors 34 affords significant opportunities for securing and powering and/or communicating with a variety of different peripheral devices 38 in a simple and cost-effect manner while, at the same time, reducing the cost and complexity of manufacturing, assembling, and using lightweight head unit systems 24 that provide users with improved features, functionality, and usability.
It will be further appreciated that the terms “include,” “includes,” and “including” have the same meaning as the terms “comprise,” “comprises,” and “comprising.” Moreover, it will be appreciated that terms such as “first,” “second,” “third,” and the like are used herein to differentiate certain structural features and components for the non-limiting, illustrative purposes of clarity and consistency.
Several embodiments have been discussed in the foregoing description. However, the embodiments discussed herein are not intended to be exhaustive or limit the invention to any particular form. The terminology which has been used is intended to be in the nature of words of description rather than of limitation. Many modifications and variations are possible in light of the above teachings and the invention may be practiced otherwise than as specifically described.
Embodiments of the disclosure can be described with reference to the following numbered clauses, with specific features laid out in the dependent clauses:
I. A head unit system for a head of a user, said head unit system comprising:
II. The head unit system as set forth in clause I, wherein said headpiece further includes an interface connector operatively attached to said support structure, disposed in electrical communication with said headpiece connector, and configured to communicate at least one of electrical power and electrical signals with said secured peripheral device.
III. The head unit system as set forth in clause II, further including a battery module for providing a source of electrical power to said secured peripheral device, said battery module having a tether connector configured for removable attachment to said interface connector of said headpiece.
IV. The head unit system as set forth in clause II, wherein said headpiece further includes an air distribution system operatively attached to said support structure for distributing air about the head of the user.
V The head unit system as set forth in clause IV, wherein said air distribution system includes a fan module disposed in electrical communication with said interface connector.
VI. The head unit system as set forth in any preceding clause, wherein said at least one headpiece contact is further defined as a plurality of headpiece contacts arranged such that at least one of said plurality of headpiece contacts abuts said device contact of said device connector in said secured configuration.
VII. The head unit system as set forth in clause VI, wherein said at least one device contact is further defined as a plurality of device contacts arranged such that each of said device contacts abuts one of said plurality of headpiece contacts of said headpiece connector in said secured configuration.
VIII. The head unit system as set forth in any preceding clause, including a second headpiece connector operatively attached to said support structure, with each of said headpiece connectors defining a predetermined mounting position of said headpiece for selectively and interchangeably securing said peripheral device in one of said mounting positions.
IX. The head unit system as set forth in clause VIII, wherein said headpiece connectors are spaced from each other about said support structure.
X. The head unit system as set forth in clause VIII, wherein said headpiece connectors are electrically connected to each other along at least one common electrical path.
XI. The head unit system as set forth in clause VIII, wherein said at least one headpiece contact is further defined as a first plurality of headpiece contacts and wherein said second headpiece connector has a second plurality of headpiece contacts, with said first plurality of headpiece contacts being arranged in a common pattern with said second plurality of headpiece contacts.
XII. The head unit system as set forth in clause XI, wherein said headpiece contacts of each headpiece connector are respectively electrically connected to each other based on respective arrangement in said common pattern.
XIII The head unit system as set forth in clause XI, wherein said headpiece contacts in each headpiece connector are arranged correspondingly in said common pattern such that at least one of said headpiece contacts abuts said device contact of said device connector in said secured configuration.
XIV. The head unit system as set forth in clause VIII, including a plurality of peripheral devices for being secured to different predetermined mounting positions of said headpiece.
XV. The head unit system as set forth in any preceding clause, wherein said peripheral device includes at least one peripheral device module in electrical communication with said device connector and supported for concurrent movement therewith.
XVI. The head unit system as set forth in clause XV, wherein said peripheral device further includes an adjustment linkage interposed between said peripheral device module and said device connector for selectively adjusting a relative position of said peripheral device module with respect to said device connector.
XVII. The head unit system as set forth in clause XV, wherein said peripheral device module includes a light source configured to provide a source of illumination, said light source being powered in said secured configuration via said electrical connection with said headpiece.
XVII. The head unit system as set forth in clause XVII, wherein said light source includes at least one light emitting diode.
XIX. The head unit system as set forth in clause XV, wherein said peripheral device module includes at least one camera configured to capture one or more images in a field of view adjacent to the head of the user.
XX. The head unit system as set forth in clause XIX, wherein said camera is powered in said secured configuration via said electrical connection with said headpiece.
XXI. The head unit system as set forth in clause XIX, wherein said camera transmits images in said secured configuration via said electrical connection with said headpiece.
XXII. The head unit system as set forth in clause XIX, wherein said peripheral device module includes at least one projection module arranged with respect to said camera and configured to emit a predetermined pattern of light at least partially within said field of view of said camera.
XXIII. The head unit system as set forth in clause XXII, wherein said projection module includes at least one laser diode configured to selectively emit said predetermined pattern of light.
XXIV. The head unit system as set forth in clause XV, wherein said peripheral device module includes at least one of a microphone and a speaker for facilitating communication with the user.
XXV. The head unit system as set forth in clause XXIV, wherein at least one of said microphone and said speaker is powered in said secured configuration via said electrical connection with said headpiece.
XXVI. The head unit system as set forth in clause XXIV, wherein at least one of said microphone and said speaker transmits audio in said secured configuration via said electrical connection with said headpiece.
XXVII. The head unit system as set forth in clause XV, wherein said peripheral device module includes at least one visual display module configured to display predetermined data adjacent to the head of the user.
XXVIII. The head unit system as set forth in any preceding clause, wherein one of said headpiece connector and said device connector includes a key, the other of said headpiece connector and said device connector includes a keyway, and wherein said key and said keyway cooperate so as to effect alignment of said connectors as said peripheral device is secured to said headpiece.
XXIX. The head unit system as set forth in any preceding clause, wherein said key and said keyway are arranged so as to at least partially support said peripheral device with respect to said headpiece in said secured configuration.
XXX. The head unit system as set forth in any preceding clause, wherein said headpiece connector includes a first magnetic element, said device connector includes a second magnetic element, and wherein magnetic attraction between said first and second magnetic elements maintains abutment between said headpiece contact and said device contact in said secured configuration.
XXXI. The head unit system as set forth in clause XXX, wherein said first and second magnetic elements have opposing polarity.
XXXII. The head unit system as set forth in clause XXX, wherein said headpiece connector further includes a third magnetic element, said device connector further includes a fourth magnetic element, and wherein magnetic attraction between said third and fourth magnetic elements maintains abutment between said headpiece contact and said device contact in said secured configuration.
XXXIII. The head unit system as set forth in clause XXXII, wherein said first and third magnetic elements have opposing polarity.
XXXIV. The head unit system as set forth in any preceding clause, wherein said headpiece further includes a controller operatively attached to said support structure, disposed in electrical communication with said headpiece connector, and configured to communicate data between said headpiece and a remote module.
XXXV. The head unit system as set forth in clause XXXIV, wherein said data communicated with said remote module at least partially represents an operating condition of said secured peripheral device.
XXXVI. The head unit system as set forth in clause XXXIV, wherein said controller communicates with said remote module across a wireless network.
XXXVII. The head unit system as set forth in any preceding clause, wherein said headpiece further includes a controller operatively attached to said support structure, disposed in electrical communication with said headpiece connector, and configured to communicate data with said headpiece representing an identification of said secured peripheral device.
XXXVIII. The head unit system as set forth in clause XXXVII, wherein said controller is configured to authenticate said secured peripheral device based on predetermined identification data of said secured peripheral device corresponding to predetermined identification data of said controller, and wherein said controller is further configured to interrupt electrical communication with said secured peripheral device in response to predetermined differences occurring between said predetermined identification data.
XXXIX. The head unit system as set forth in clause XXXVII, wherein said predetermined identification data communicated between said controller and said peripheral device to authenticate said peripheral device are further defined as Radio-Frequency Identification data.
XL. The head unit system as set forth in any preceding clause, wherein one of said headpiece connector and said device connector includes a first lock element, and the other of said headpiece connector and said device connector includes a second lock element arranged to engage said first lock element to lock said peripheral device to said headpiece in said secured configuration to prevent disengagement between said headpiece connector and said device connector.
XLI. The head unit system as set forth in any preceding clause, wherein one of said headpiece connector and said device connector includes a key and the other of said headpiece connector and said device connector includes a keyway, wherein said key and said keyway cooperate to align said connectors as said peripheral device is secured to said headpiece, and wherein said key and said keyway are arranged to at least partially support said peripheral device with respect to said headpiece in said secured configuration so as to inhibit transverse disengagement between said headpiece connector and said device connector.
XLII. A headpiece for use with the head unit system as set forth in any preceding clause.
XLIII. A peripheral device for use with the head unit system as set forth in any preceding clause.
The subject patent application is a continuation of U.S. patent application Ser. No. 16/061,806, filed on Jun. 13, 2018, which is a U.S. National Stage of International Patent Application No. PCT/US2016/066633, filed on Dec. 14, 2016, which claims priority to and all the benefits of U.S. Provisional Patent Application Ser. No. 62/271,004 which was filed on Dec. 22, 2015, the disclosures of which are hereby incorporated by reference.
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| Child | 17358647 | US |
