1. A system, comprising:
a mobility-assistance apparatus, including:
at least one shaft, at least a portion of the shaft defining a lumen extending longitudinally therethrough, the shaft having an open end in communication with the lumen and a longitudinally-extending slot in communication with the lumen; and
at least one end cap releasably engagable with the open end of the shaft to enclose the lumen of the shaft; and
a bag releasably engagable with the mobility-assistance apparatus, the bag including a body portion and at least one attachment member, the attachment member coupled to the bag via a flange portion, the attachment member configured for receipt within the lumen of the shaft with the flange portion extending through the slot of the shaft,
wherein the attachment member of the bag is insertable into and removable from the lumen of the shaft when the end cap is disengaged from the open end of the shaft, and wherein the attachment member is retained within the lumen of the shaft when the end cap is engaged with the open end of the shaft.
2. The system according to claim 1, wherein the mobility-assistance apparatus is a rollator.
3. The system according to claim 2, wherein the rollator is collapsible.
4. The system according to claim 1, wherein the at least one support shaft of the mobility-assistance apparatus includes a pair of spaced-apart support shafts, wherein the at least one attachment member of the bag includes a respective attachment member at either end thereof, and wherein each attachment member is configured for releasable engagement with one of the support shafts to suspend the bag therebetween.
5. The system according to claim 1, wherein the end cap is tethered to the shaft.
6. The system according to claim 1, wherein the shaft defines a locking track and wherein the end cap includes a locking nub configured for engagement within the locking track to lock the end cap in engagement with the open end of the shaft.
7. The system according to claim 6, wherein the end cap is configured for engagement with the open end of the shaft via a bayonet coupling.
8. The system according to claim 1, wherein the body portion of the bag includes first and second side portions.
9. The system according to claim 8, wherein the side portions are engaged to the body portion via stitching that provides structure to the bag.
10. The system according to claim 8, wherein the bag further includes a top portion and a zipper assembly associated with the top portion for providing access to an interior of the bag and enclosing the interior of the bag.
11. The system according to claim 1, wherein the shaft and attachment member both define generally tubular configurations.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1 An iontophoresis device, comprising:
a working electrode assembly and a non-working electrode assembly for administering a drug by iontophoresis;
an electric power source connected to the working electrode assembly and the non-working electrode assembly; and current control circuitry coupled to the electric power source and operable to programmably control a current that flows to each of the electrode assemblies according to a set pattern;
wherein the set pattern of the current control circuitry is rewritable from outside the iontophoresis device without the contact; and
wherein the drug is released based at least in part on the current.
2. (canceled)
3. The iontophoresis device of claim 1, wherein the working electrode assembly and the non-working electrode assembly are each of a type.
4. The iontophoresis device of claim 1, wherein the working electrode assembly comprises:
a working electrode connected to the electric power source with a same polarity as that of a charged ion of the drug;
an electrolyte solution holding portion holding an electrolyte solution, the electrolyte solution holding portion adjacent a front surface of the working electrode;
a second ion exchange membrane permitting passage of ions having a polarity opposite to that of the charged ion of the drug, the second ion exchange membrane adjacent a front surface of the electrolyte solution holding portion;
a drug solution holding portion holding the drug, the drug solution holding portion adjacent a front surface of the second ion exchange membrane; and
a first ion exchange membrane permitting passage of ions having the same polarity as that of the charged ion of the drug, the first ion exchange membrane adjacent a front surface of the drug solution holding portion; and wherein
the non-working electrode assembly comprises:
the non-working electrode connected to the electric power source having the polarity opposite to that of the charged ion of the drug;
a second electrolyte solution holding portion holding a second electrolyte solution, the second electrolyte solution holding portion adjacent a front surface of the non-working electrode;
a third ion exchange membrane permitting passage of ions having the same polarity as that of the charged ion of the drug, the third ion exchange membrane adjacent a font surface of the second electrolyte solution holding portion;
a third electrolyte solution holding portion holding a third electrolyte solution, the third electrolyte solution holding portion adjacent a front surface of the third ion exchange membrane; and
a fourth ion exchange membrane permitting passage of ions having the polarity opposite to that of the charged ion of the drug, the fourth ion exchange membrane adjacent a front surface of the third electrolyte solution holding portion.
5. An electric power source device for an iontophoresis device having a working electrode assembly and a non-working electrode assembly for administering a drug by iontophoresis, the electric power source device comprising:
a battery;
current control circuitry operable to programmably control a current from the battery to each of the electrode assemblies according to a set pattern; and
an antenna operable to receive a signal used to rewrite the set pattern of the current control circuitry without contact.
6. The electric power source device of claim 5, wherein the current control circuitry is disposed radially outside the battery and side by side next to the battery.
7. The electric power source device of claim 4, wherein the battery is disposed off center from the working electrode assembly, and the current control circuitry is disposed next to the battery on a side of the battery closer to a center of the working electrode assembly.
8. The electric power source device of claim 4, wherein the current control circuitry is disposed on top of the battery.