Portable charging of infusion pump

Abstract

Embodiments of the present disclosure relate to portable charging of an ambulatory infusion pump or other medical device having rechargeable batteries. A portable charging pack can incorporate a secure, non-magnetic holder that ensures optimal positioning during charging. The portable charging pack supports ambulatory care, enhancing the mobility and convenience for users who rely on medical devices throughout their daily activities.

Description

[0001] PORTABLE CHARGING OF INFUSION PUMP

[0002] PRIORITY CLAIM

[0003] The present application claims the benefit of U.S. Provisional Application No.

[0004] 63 / 664,842 filed June 27, 2024, which is incorporated herein by reference in its entirety.

[0005] TECHNICAL FIELD

[0006] The present disclosure relates to medical pumps for delivering medicament to a patient and, more specifically, to a user-wearable pump.

[0007] BACKGROUND

[0008] There are many applications in academic, industrial, and medical fields that benefit from devices and methods that are capable of accurately and controllably delivering fluids, such as liquids and gases, that have a beneficial effect when administered in known and controlled quantities. Such devices and methods can be particularly useful in the medical field where treatments for many patients include the administration of a known amount of a substance at predetermined intervals.

[0009] One category of such fluid delivery devices includes insulin injecting pumps developed for administering insulin to patients afflicted with Type 1 or Type 2 diabetes.

[0010] Some insulin injecting pumps are configured as portable or ambulatory infusion devices that can provide continuous subcutaneous insulin injection and / or infusion therapy as an alternative to multiple daily injections of insulin via a syringe or an insulin pen. Such pumps can be worn or carried by the user and may use replaceable cartridges. In some embodiments, these pumps may also deliver medicaments other than, or in addition to, insulin, such as glucagon, pramlintide, and the like. Examples of such pumps and various features associated therewith include those disclosed in U.S.

[0011] Patent Publication Nos. 2013 / 0324928 and 2013 / 0053816 and U.S. Patent Nos.

[0012] 8,287,495; 8,573,027; 8,986,253; and 9,381,297, each of which is incorporated herein by reference in its entirety.

[0013] Many ambulatory infusion pumps are powered by batteries that need to periodically be recharged. This is typically accomplished by inserting a connector of a cable into a port on the infusion pump (such as, e.g., a USB or similar port) that facilitates the transfer of power and / or data and plugging the other end of the cable into a wall outlet or other power source. Recently, a number of consumer devices have been developed that utilize electromagnetic induction to charge an internal battery of a device without the need for additional physical electrical connections. In such systems, a transmitting induction coil within a charging base creates an alternating electromagnetic field. When a receiving induction coil in the device is aligned with the transmitting induction coil, power is transferred to the device where it is used to charge the battery. Embodiments of portable infusion pumps that utilize inductive charging are disclosed in U.S. Patent Nos. 9,993,595, 10,357,603, 11,305,057 and 11,872,368, each of which is hereby incorporated herein by reference in its entirety.

[0014] SUMMARY

[0015] Embodiments of the present disclosure relate to portable charging of an ambulatory infusion pump or other medical device having rechargeable batteries. A portable charging pack can incorporate a secure, non-magnetic holder that ensures optimal positioning during charging. The portable charging pack supports ambulatory care, enhancing the mobility and convenience for users who rely on medical devices throughout their daily activities.

[0016] In an embodiment, a portable charging device for an ambulatory infusion pump can include a battery pack including an internal battery and an inductive charging coil.

[0017] A cover can be selectively attachable to the battery pack. The cover can include retention features to retain an ambulatory infusion pump on the cover and align the ambulatory infusion pump with the inductive charging coil for optimal power transfer.

[0018] In an embodiment, a portable charging device for an ambulatory infusion pump can include a battery pack comprising a housing containing an internal battery and an inductive charging coil. A cover can be selectively attachable to the battery pack, the cover including retention features to retain an ambulatory infusion pump on the cover and align the ambulatory infusion pump with the inductive charging coil.

[0019] In an embodiment, an ambulatory infusion pump system can include an ambulatory infusion pump and a portable charging device. The portable charging device can include a housing containing an internal battery and an inductive charging coil. The portable charging device can further include retention features to retain the ambulatory infusion pump on the portable charging device and align the ambulatory infusion pump with the inductive charging coil.

[0020] The above summary is not intended to describe each illustrated embodiment or every implementation of the subject matter hereof. The figures and the detailed description that follow more particularly exemplify various embodiments.

[0021] BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Subject matter hereof may be more completely understood in consideration of the following detailed description of various embodiments in connection with the accompanying figures, in which:

[0023] FIGS. 1A-1B depict an ambulatory infusion pump with an infusion set according to an embodiment of the disclosure.

[0024] FIGS. 2A-2D depict a portable charging device according to an embodiment of the present disclosure.

[0025] FIGS. 3A-3D depict the portable charging device of FIGS. 2A-2D attached to an ambulatory infusion pump.

[0026] FIG. 4 depicts a portable charging device according to an embodiment of the present disclosure.

[0027] FIGS. 5A-5D depict the portable charging device of FIG. 4A attached to an ambulatory infusion pump.

[0028] FIG. 6 depict a portable charging device according to an embodiment of the present disclosure.

[0029] FIGS. 7A-7D depict the portable charging device of FIG. 6 attached to an ambulatory infusion pump.

[0030] FIGS. 8A-8D depict a portable charging device according to an embodiment of the present disclosure.

[0031] FIGS. 9A-9D depict a portable charging device according to an embodiment of the present disclosure.

[0032] FIGS. 10A-10D depict a portable charging device according to an embodiment of the present disclosure.

[0033] FIGS. 11A-11C depict a portable charging device according to an embodiment of the present disclosure.

[0034] FIGS. 12A-12C depict the portable charging device of FIGS. 11A-11C with attached to an ambulatory infusion pump. FIGS. 13A-13C depict the portable charging device of FIGS. 11A-11C with attached to an ambulatory infusion pump.

[0035] While various embodiments are amenable to various modifications and alternative forms, specifics thereof have been shown by way of example in the drawings and will be described in detail. It should be understood, however, that the intention is not to limit the claimed inventions to the particular embodiments described.

[0036] On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the subject matter as defined by the claims.

[0037] DETAILED DESCRIPTION OF THE DRAWINGS

[0038] Figures 1A-1B depict an exemplary medical device that can be used with embodiments of the disclosure. In this embodiment, the medical device is configured as a pump 102 such as an infusion pump, that can include a pumping or delivery mechanism and a reservoir for delivering a medicament to a patient. In one embodiment, the medical device can be a portable pump configured to deliver insulin to a patient. Further details regarding such pump devices can be found in U.S. Patent

[0039] Nos. 8,287,495, 10,279,107 and 10,864,318, each of which is incorporated herein by reference in its entirety. In other embodiments, the medical device can be an infusion pump configured to deliver one or more additional or other medicaments to a patient.

[0040] As depicted in Figures 1A-1B, pump system 100 can include a pump 102 and an infusion set 145. In embodiments, pump system 100 can include a drive unit 118 and a cartridge 116 having a short length of tubing 153 and a connector 152 extending therefrom. Infusion set 145 can include tubing 144 extending between a connector 154 and a site connector 146. Connector 154 on infusion set 145 can be configured to couple to pump 102 at connector 152 of pump 102. As shown in Figure IB, site connector 146 can be configured to be attached to an infusion hub 148 at an infusion site on a user through which medicament from the pump is delivered to a patient through a cannula extending from the infusion hub 148 into the user’s skin.

[0041] Pumps according to embodiments of the present disclosure can include one or more rechargeable batteries in and / or associated with the pump drive unit. In some embodiments, a rechargeable battery can be wirelessly charged, for example through inductive charging by an inductive charging pad that may receive power by being connected to a wall outlet. However, charging by this method generally requires the user to disconnect the pump 102 from the infusion set 145 in order for the pump to remain on the charging pad that is connected to the wall outlet.

[0042] Although portable wireless charging attachments have been developed for devices such as cell phones, these attachments would not be suitable for use with insulin pumps such as the pumps disclosed herein. In particular, such technology relies on a magnetic attachment between the charger and the phone, and magnets could disrupt the functionality of and / or damage portable insulin pumps, which are sensitive to magnetic fields. Other portable charging devices such as enclosed containers for charging wireless ear buds could cause overheating of an insulin pump, which could affect the temperature-sensitive insulin in the pump.

[0043] Disclosed herein are portable charging devices that have a secure, non-magnetic holder design for medical devices and that ensure positioning for optimal power transfer during charging. The disclosed devices further provide a portable charging solution with sufficient air circulation to prevent overheating. The concept enables the device to charge more efficiently and quickly in the optimal location, safeguarding device functionality and the integrity of medical substances in the device. This enables charging during ambulatory care, enhancing mobility and convenience for users with active lifestyles who rely on infusion pumps through their daily activities.

[0044] Inductive charging of pump can be carried out according to known standards, such as, for example, the Qi standard. In such a system, both the pump and the portable charging device include an inductive coil. A transmitting coil in the portable charging device generates an oscillating magnetic field suing a stored power source that induces an alternating current in a receiving coil in the pump to transfer power to pump when the portable charging device is positioned on the pump. The efficiency with which a pump charges can be increased and the time it takes to charge the pump decreased the more optimally that the receiving coil of the pump is positioned with respect to the transmitting coil of the portable charging device. Not only is initial positioning of the pump important, it is also important that the pump is not accidentally dislodged during charging or that vibrations during charging do not cause the pump to move on the charging pad.

[0045] Referring now to Figures 2A-2D, one embodiment of a portable charging device

[0046] 200 according to the present disclosure is depicted. Portable charging device 200 generally includes a battery pack 202 and a cover 204. In some embodiments, as shown in Figures 2A-2B, cover 204 can be selectively attached to and detached from battery pack 202. This can enable a user to carry multiple battery packs 202 and move the cover 204 from one battery pack to another as needed and / or to have multiple covers having different configurations (i.e., retention features tailored to a particular pump design) that can be used with a given battery pack based on the configuration of a given pump. In the depicted embodiment, battery pack 202 includes an upwardly extending lip 206 that creates a recess above the upper surface 208 of battery pack 202 having a perimeter size and shape closely matching an outer perimeter 210 of cover 204 that provides a press-fit to retain cover 204 on battery pack 202. In other embodiments, various other features such as tongue and groove connections, interlocking projections with corresponding slots, magnets, etc. are contemplated for selectively retaining the cover 204 on the battery pack 202. In further embodiments, the features of cover 204 can be unitarily formed as a single construct with battery pack 202.

[0047] Battery pack 202 includes an internal battery that provides power to an internal charging coil that can transmit power to a pump placed on the portable charging device

[0048] 200. A charging port 212 can receive a charging cord connected to an external power source for charging the internal battery of the battery pack 202. Alternatively or additionally, the internal battery of battery pack 202 could be inductively charged.

[0049] Battery pack 202 can also include a button 214 that can be actuated to activate the battery pack 202 to cause the charging coil to transmit power when the portable charging device 200 is attached to a pump. Alternatively or additionally, the portable charging device 200 can automatically sense when it has been attached to the pump and automatically begin transmitting a charging signal.

[0050] Cover 204 can include various features for selectively retaining a pump on cover 204. Such features can be arranged to optimally position said pump relative to the charging coil in the battery pack for maximum charging efficiency. The depicted cover 204 includes a pair of opposing retention walls 216 along the sides of cover 204 and a pair of opposing retention projections 218 along the ends of cover 204. Retention walls 216 are flexible elements that extend upwardly from a base 220. As will be described in more detail below, retention walls 216 can have a curved configuration that conforms to a shape of a pump and flex outwardly when the pump is inserted onto cover 204 and then flex back inwardly to conform to and retain the pump on the cover

[0051] 204. Retention projections 218 can be more rigid elements configured to prevent longitudinal movement of a pump on cover 204. Although the charging signal is transmitted from the upper surface 208 of the battery pack 202 disposed beneath the cover 204, the base 220 of cover 204 can comprise a material (i.e., a thermoplastic material) with a minimal thickness (e.g., 2-3 millimeters) that doesn’t materially affect the charging efficiency.

[0052] Figures 3A-3D depict a pump 12 inserted onto cover 204 of portable charging device 200. Pump 12 could be the same as or similar to pump 102 described above or could have a different configuration. Retention walls 216 conform to the curved shape of the pump 12 and extend partially over pump 12 to prevent movement of the pump on cover 204 upwardly off of cover 204 and laterally towards the sides of cover 204.

[0053] Retention projections 218 can abut the ends of the pump 12 to prevent longitudinal movement of the pump 12 on the cover 204. The first open end of cover enables one or more pump buttons 170 to be accessible and one or more indicator lights 172 to be viewed. The opposing open end enables the connector 152 and tubing 153 of pump 12 to extend outwardly from pump 12 and portable charging device 200 such that the device can be attached to the pump 12 without disconnecting the pump 102 from an infusion set 145 used to deliver medicament from the pump 12 to the user. Portable charging device 200 therefore allows a user to charge the pump 12 without discontinuing therapy with pump 12.

[0054] Figure 4 depicts a portable charging device 300 according to another embodiment of the disclosure. Portable charging device 300 can include a battery pack

[0055] 302 with a replaceable cover 304. Alternatively, portable charging device 300 can be a unitary construct. Portable charging device 300 includes similar retention walls 316 to retention walls 216 of portable charging device 200 and a retention projection 318 on one end of cover 304 similar to retention projections 218 of portable charging device

[0056] 200, but includes a pair of retention projections 322, 324 on the opposing end of cover 304. Although not depicted, portable charging device 300 may include one or more of a charging port and an activation button as described above with respect to portable charging device 200.

[0057] Retention projections 322, 324 provide portable charging device 300 with the flexibility to accommodate pumps having different sizes. As shown in Figures 5A-5B, a first, smaller pump 12 can be retained on cover 304 with retention walls 316, retention projection 318 and retention projection 322. Figures 5C-5D depict a second, larger pump 14 being held on cover 304 with retention walls 316, retention projection

[0058] 318 and retention projection 324. In this configuration, retention projection 322 can be provided as a flexible element that flexes downwardly when the larger pump 14 is placed on the cover 304 to enable the larger pump 14 to be situated flush with the base

[0059] 320 of the cover 304.

[0060] Figure 6 depicts a portable charging device 400 according to another embodiment of the disclosure. Portable charging device 400 can include a battery pack

[0061] 402 with a replaceable cover 404. Alternatively, portable charging device 400 can be a unitary construct. Cover 404 can include a pair of retention walls 416 along the sides and adjacent one end of portable charging device. A pair of retention projections 418,

[0062] 420 can be disposed adjacent the opposing end of cover 404. Each retention projection

[0063] 418, 420 can have a pair of parallel slits 422, 424 extending from each side of the corresponding projection through a base surface 426 of the cover 404. Although not depicted, portable charging device 400 may include one or more of a charging port and an activation button as described above with respect to portable charging device 200.

[0064] Figures 7A-7D depict how portable charging device 400 of Figure 6 can accommodate pumps 12, 14 of varying sizes. Retention walls 416 can be flexible elements curved to extend both partially over a top of the pump and an end of the pump, while still enabling access to one or more buttons 170 or indicator lights 172 on that end of pump. For a smaller pump 12, the more proximal retention projection 418 abuts the opposing end of pump 12 to restrict longitudinal movement of pump. To accommodate a larger pump 14, retention projection 418 flexes downwardly due to slits

[0065] 422 and the end of pump can interface with the more distal retention projection 420 while resting flush on cover 404. Slits 424 also provide retention projection 420 the ability to flex downwardly, which aids in insertion and removal of pump 14.

[0066] Figure 8 A depicts a portable charging device 500 according to another embodiment of the disclosure. Device 600 can include a battery pack 502 and a cover

[0067] 504 which may be selectively replaceable or may be unitarily formed with battery pack

[0068] 502. Cover 504 can include a pair of retention walls 516 along the sides and adjacent one end of portable charging device. A retention projection 518 can be disposed on the upper surface of cover 504. As shown in Figure 8B, portable charging device 500 can securely hold a drive unit 118 of a pump 102 without a cartridge attached with the retention walls 516 confirming to a shape of the drive unit 118 to restrict lateral and upward movement of drive unit 118 and retention projection 518 abutting a surface 119 of drive unit 118 to prevent longitudinal movement of drive unit 118 along cover 504.

[0069] However, portable charging device 500 can also be used to retain a pump 102 or pump

[0070] 202 with a cartridge attached as shown in Figures 8C-8D. Although not shown in these figures, retention projection 518 will nest in a recessed surface where cartridge 116,

[0071] 216 and drive unit 118, 218 of each pump 102, 202 interface to aid in retaining pumps

[0072] 102, 202 in the optimal charging position on charging device 500.

[0073] Figure 9 A depicts a portable charging device 600 according to another embodiment of the disclosure. Charging device 600 is similar to charging device 500 and include a battery pack 602, cover 604 (which may or may not be selectively replaceable on battery pack 602) and a pair of retention walls 616. In this embodiment, retention projection 620 is oriented longitudinally along cover (rather than laterally as in the embodiment of Figure 8A). Charging device 600 can similarly retain a drive unit

[0074] 118 without a cartridge attached with retention projection 620 abutting a lateral surface

[0075] 117 of drive unit 118 as shown in Figure 9B. As with the previous embodiment, charging device 600 can also securely retain pumps 102, 202 of different configurations with cartridge 116, 216 attached to the corresponding drive unit 118, 218. Retention projection 620 will similarly nest in a recessed surface where cartridge 116, 216 and drive unit 118, 218 interface to further restrict movement of pump 102, 202 on cover

[0076] 604.

[0077] Figure 10A depicts a portable charging device 700 according to another embodiment of the disclosure that essentially combines the features of portable charging device 500 and portable charging device 600. In particular, portable charging device 700 includes a battery pack 702, cover 704, a pair of retention walls 716 and both a lateral retention projection 718 and a longitudinal retention projection 720.

[0078] Retention projections 718, 720 will serve to retain drive unit 118 and / or pumps 102,

[0079] 202 in the same manner as described with regard to the previous embodiments by abutting a longitudinal surface 117 and lateral surface 119 of drive unit or nesting within recesses formed at the interface of drive unit 118, 218 and cartridge 116, 216.

[0080] Figures 11A-11C depict a portable charging device 800 according to another embodiment of the disclosure. Portable charging device 800 includes a battery pack

[0081] 802 with a cover 804 that can be selectively replaceable or unitarily formed with battery pack 802. Cover 804 can include a pair of retention walls 816. A retention projection 818 having a pair of parallel slits 822 extending therefrom that enable projection 818 to flex downwardly is located on an opposing end of cover 804. A retention projection 820 can also extend inwardly from one of the retention walls 816.

[0082] Figures 12A-12C depict a first pump 202 inserted into portable charging device

[0083] 800. Pump 202 is inserted into retaining walls 816 and retention projection 818 abuts an end of pump 202. As can be seen in the cross-section of Figure 12C, the retention projection 820 within one of the retention walls 816 extends into a slot 203 in the pump such that a portion 205 of pump 202 nests beneath retention projection 820 to further secure the pump 202. Figures 13A-13C depict a second pump 102 inserted into charging device 800. Pump 102 has a smaller longitudinal footprint than pump 202 and therefore one end of pump abuts the retention projection 820 in retention wall 816 and the other end abuts the opposing retention projection 818. As can be seen in Figure

[0084] 13B, pump 102 therefore does not extend fully into retention walls 816.

[0085] A variety of features have been described with respect to the portable charging devices disclosed herein. It should be understood that features of each device are not exclusive to that device and that various features from each device can be combined with various features of one or more of the other devices in various other embodiments.

[0086] Further, the various features can be modified in size, shape, and location to accommodate infusion pumps and other medical devices having various other sizes and shapes to those disclosed herein. In further embodiments, pump retention features can be movable on cover to be adjusted to accommodate medical devices of varying sizes and shapes.

[0087] In embodiments, a portable charging device for an ambulatory infusion pump can include a battery pack comprising a housing containing an internal battery and an inductive charging coil. A cover can be selectively attachable to the battery pack, the cover including retention features to retain an ambulatory infusion pump on the cover and align the ambulatory infusion pump with the inductive charging coil. In some embodiments, the battery pack includes an upwardly extending lip, the upwardly extending lip defining a recess configured to receive the cover.

[0088] In some embodiments, the recess has a perimeter size and shape generally matching an outer perimeter of the cover.

[0089] In some embodiments, the battery pack comprises a charging port configured to receive a charging cord to enable charging of the internal battery by an external power source connected to the charging cord.

[0090] In some embodiments, the battery pack comprises a button, wherein actuation of the button causes the inductive charging coil to transmit power.

[0091] In some embodiments, the battery pack is configured to automatically cause the inductive charging coil to transmit power when the ambulatory infusion pump is aligned with the inductive charging coil.

[0092] In some embodiments, the cover comprises a pair of opposing retention walls configured to retain the ambulatory infusion pump on the cover.

[0093] In some embodiments, the cover comprises one or more retention projections configured to inhibit longitudinal movement of the ambulatory infusion pump on the cover.

[0094] In some embodiments, the cover comprises a pair of retention projections configured to enable the cover to retain ambulatory infusion pumps having different lengths.

[0095] In some embodiments, a first of the retention projections is configured to abut an end surface of a first ambulatory infusion pump having a first length when the first ambulatory infusion pump is disposed on the cover and a second of the retention projections is configured to abut an end surface of a second ambulatory infusion pump of a second length different from the first length when the second ambulatory infusion pump is disposed on the cover.

[0096] In embodiments, an ambulatory infusion pump system can include an ambulatory infusion pump and a portable charging device. The portable charging device can include a housing containing an internal battery and an inductive charging coil. The portable charging device can further include retention features to retain the ambulatory infusion pump on the portable charging device and align the ambulatory infusion pump with the inductive charging coil.

[0097] In some embodiments, the portable charging device comprises a battery back comprising the housing and a cover selectively attachable to the battery pack that comprises the retention features.

[0098] In some embodiments, the battery pack includes an upwardly extending lip, the upwardly extending lip defining a recess configured to receive the cover.

[0099] In some embodiments, the recess has a perimeter size and shape generally matching an outer perimeter of the cover.

[0100] In some embodiments, the portable charging device comprises a charging port configured to receive a charging cord to enable charging of the internal battery by an external power source connected to the charging cord.

[0101] In some embodiments, the portable charging device comprises a button, wherein actuation of the button causes the inductive charging coil to transmit power.

[0102] In some embodiments, the portable charging device is configured to automatically cause the inductive charging coil to transmit power when the ambulatory infusion pump is aligned with the inductive charging coil.

[0103] In some embodiments, the retention features comprise a pair of opposing retention walls configured to retain the ambulatory infusion pump on the portable charging device. In some embodiments, the retention features comprise one or more retention projections configured to inhibit longitudinal movement of the ambulatory infusion pump on the portable charging device.

[0104] In some embodiments, the one or more retention projections include a first retention projection configured to abut an end surface of a first ambulatory infusion pump having a first length when the first ambulatory infusion pump is disposed on the portable charging device and a second retention projection configured to abut an end surface of a second ambulatory infusion pump of a second length different from the first length when the second ambulatory infusion pump is disposed on the portable charging device.

[0105] Various embodiments of systems, devices, and methods have been described herein. These embodiments are given only by way of example and are not intended to limit the scope of the claimed inventions. It should be appreciated, moreover, that the various features of the embodiments that have been described may be combined in various ways to produce numerous additional embodiments. Moreover, while various materials, dimensions, shapes, configurations and locations, etc. have been described for use with disclosed embodiments, others besides those disclosed may be utilized without exceeding the scope of the claimed inventions.

[0106] Persons of ordinary skill in the relevant arts will recognize that the subject matter hereof may comprise fewer features than illustrated in any individual embodiment described above. The embodiments described herein are not meant to be an exhaustive presentation of the ways in which the various features of the subject matter hereof may be combined. Accordingly, the embodiments are not mutually exclusive combinations of features; rather, the various embodiments can comprise a combination of different individual features selected from different individual embodiments, as understood by persons of ordinary skill in the art. Moreover, elements described with respect to one embodiment can be implemented in other embodiments even when not described in such embodiments unless otherwise noted.

[0107] Although a dependent claim may refer in the claims to a specific combination with one or more other claims, other embodiments can also include a combination of the dependent claim with the subject matter of each other dependent claim or a combination of one or more features with other dependent or independent claims. Such combinations are proposed herein unless it is stated that a specific combination is not intended.

[0108] Any incorporation by reference of documents above is limited such that no subject matter is incorporated that is contrary to the explicit disclosure herein. Any incorporation by reference of documents above is further limited such that no claims included in the documents are incorporated by reference herein. Any incorporation by reference of documents above is yet further limited such that any definitions provided in the documents are not incorporated by reference herein unless expressly included herein.

[0109] Also incorporated herein by reference in their entirety are commonly owned

[0110] U.S. Patent Nos. 6,999,854; 8,133,197; 8,287,495; 8,408,421 8,448,824; 8,573,027;

[0111] 8,650,937; 8,986,523; 9,173,998; 9,180,242; 9,180,243; 9,238,100; 9,242,043;

[0112] 9,335,910; 9,381,271; 9,421,329; 9,486,171; 9,486,571; 9,492,608; 9,503,526;

[0113] 9,555,186; 9,565,718; 9,603,995; 9,669,160; 9,715,327; 9,737,656; 9,750,871;

[0114] 9,867,937; 9,867,953; 9,940,441; 9,993,595; 10,016,561; 10,201,656; 10,279,105;

[0115] 10,279,106; 10,279,107; 10,357,603; 10,357,606; 10,492,141; 10 / 541,987; 10,569,016;

[0116] 10,736,037; 10,888,655; 10,994,077; 11,116,901; 11,224,693; 11,291,763; 11,305,057;

[0117] 11,458,246; 11,464,908; 11,654,236; 11,911,595; 12,138,425; and 12,214,159 and commonly owned U.S. Patent Publication Nos. 2009 / 0287180; 2012 / 0123230;

[0118] 2013 / 0053816; 2014 / 0276423; 2014 / 0276569; 2014 / 0276570; 2018 / 0071454;

[0119] 2019 / 0307952; 2020 / 0206420; 2020 / 0329433; 2020 / 0372995; 2021 / 0001044;

[0120] 2021 / 0113766; 2022 / 0062553; 2022 / 0139522; 2022 / 0223250; 2022 / 0233772;

[0121] 2022 / 0233773; 2022 / 0238201; 2022 / 0265927; 2023 / 0034408; 2022 / 0344017;

[0122] 2022 / 0370708; ; 2022 / 0037465; 2023 / 0040677; 2023 / 0047034; 2023 / 0113545;

[0123] 2023 / 0113755; 2023 / 0166033; 2023 / 0166037; 2023 / 0173170; 2023 / 0201452;

[0124] 2023 / 0241314; 2023 / 0277765; 2023 / 0338653; 2023 / 0381406; 2024 / 0050650;

[0125] 2024 / 0226423; 2024 / 0226424 and 2024 / 0277924; 2024 / 0399051; 2024 / 408303;

[0126] 2024 / 0416032; 2024 / 0416033; 2025 / 0099674; 2025 / 0099675 2025 / 0099678;

[0127] 2025 / 0099679; and 2025 / 0108162 and commonly owned U.S. Patent Applications Nos.

[0128] 17 / 368,968; 17 / 896,492; 18 / 398,543; 18 / 962,169; 19 / 003,140; 19 / 003,164; 19 / 119,554;

[0129] 19 / 134,333; 19 / 205,083; 19 / 220,426; 19 / 221,933; and 19 / 225,150.

[0130] For purposes of interpreting the claims, it is expressly intended that the provisions of 35 U.S.C. § 112(f) are not to be invoked unless the specific terms “means for” or “step for” are recited in a claim.

Claims

CLAIMS1. A portable charging device for an ambulatory infusion pump, comprising: a battery pack comprising a housing containing an internal battery and an inductive charging coil; and a cover selectively attachable to the battery pack, the cover including retention features to retain an ambulatory infusion pump on the cover and align the ambulatory infusion pump with the inductive charging coil.

2. The portable charging device of claim 1 , wherein the battery pack includes an upwardly extending lip, the upwardly extending lip defining a recess configured to receive the cover.

3. The portable charging device of claim 2, wherein the recess has a perimeter size and shape generally matching an outer perimeter of the cover.

4. The portable charging device of claim 1 , wherein the battery pack comprises a charging port configured to receive a charging cord to enable charging of the internal battery by an external power source connected to the charging cord.

5. The portable charging device of claim 1 , wherein the battery pack comprises a button, wherein actuation of the button causes the inductive charging coil to transmit power.

6. The portable charging device of claim 1, wherein the battery pack is configured to automatically cause the inductive charging coil to transmit power when theambulatory infusion pump is aligned with the inductive charging coil.

7. The portable charging device of claim 1, wherein the cover comprises a pair of opposing retention walls configured to retain the ambulatory infusion pump on the cover.

8. The portable charging device of claim 1, wherein the cover comprises one or more retention projections configured to inhibit longitudinal movement of the ambulatory infusion pump on the cover.

9. The portable charging device of claim 8, wherein the cover comprises a pair of retention projections configured to enable the cover to retain ambulatory infusion pumps having different lengths.

10. The portable charging device of claim 9, wherein a first of the retention projections is configured to abut an end surface of a first ambulatory infusion pump having a first length when the first ambulatory infusion pump is disposed on the cover and a second of the retention projections is configured to abut an end surface of a second ambulatory infusion pump of a second length different from the first length when the second ambulatory infusion pump is disposed on the cover.

11. An ambulatory infusion pump system, comprising: an ambulatory infusion pump; and a portable charging device comprising a housing containing an internal battery and an inductive charging coil, the portable charging device including retention featuresto retain the ambulatory infusion pump on the portable charging device and align the ambulatory infusion pump with the inductive charging coil.

12. The ambulatory infusion pump system of claim 11, wherein the portable charging device comprises a battery back comprising the housing and a cover selectively attachable to the battery pack that comprises the retention features.

13. The ambulatory infusion pump system of claim 12, wherein the battery pack includes an upwardly extending lip, the upwardly extending lip defining a recess configured to receive the cover.

14. The ambulatory infusion pump system of claim 13, wherein the recess has a perimeter size and shape generally matching an outer perimeter of the cover.

15. The ambulatory infusion pump system of claim 11, wherein the portable charging device comprises a charging port configured to receive a charging cord to enable charging of the internal battery by an external power source connected to the charging cord.

16. The ambulatory infusion pump system of claim 11, wherein the portable charging device comprises a button, wherein actuation of the button causes the inductive charging coil to transmit power.

17. The ambulatory infusion pump system of claim 11, wherein the portable charging device is configured to automatically cause the inductive charging coil totransmit power when the ambulatory infusion pump is aligned with the inductive charging coil.

18. The ambulatory infusion pump system of claim 11, wherein the retention features comprise a pair of opposing retention walls configured to retain the ambulatory infusion pump on the portable charging device.

19. The ambulatory infusion pump system of claim 11, wherein the retention features comprise one or more retention projections configured to inhibit longitudinal movement of the ambulatory infusion pump on the portable charging device.

20. The ambulatory infusion pump system of claim 19, wherein the one or more retention projections include a first retention projection configured to abut an end surface of a first ambulatory infusion pump having a first length when the first ambulatory infusion pump is disposed on the portable charging device and a second retention projection configured to abut an end surface of a second ambulatory infusion pump of a second length different from the first length when the second ambulatory infusion pump is disposed on the portable charging device.

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