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| External fixator for repairing fractures of distal radius and wrist |
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| Electrical connection device |
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| Breathing bag system for closed circuit breathing apparatus |
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Iontophoretic electrode
| Details |
Inventors: Riviere, Jim E.; Rogers, Richard A.; Monteiro-Riviere, Nancy A.;
Assignee: North Carolina State University (Raleigh, NC)
Primary Examiner: Mendez; Manuel
Assistant Examiner:
Attorney, Agent or Firm: Bell, Seltzer, Park & Gibson
The iontophoretic device of the present invention comprises (a) a source for providing an electrical signal, (b) an electrode mounting block having a plurality of separate openings formed therein in spaced-apart relation from one another, with each of the openings configured to receive an iontophoresis electrode, (c) a plurality of iontophoresis electrodes electrically connected to the source and capable of transmitting electrical signal, each of the iontophoresis electrodes having a skin contact surface and each of the iontophoresis electrodes being received in one of the openings formed in the electrode mounting block, (d) a signal distribution network electrically connected to both the source and each of the plurality of electrodes and configured for distributing a electrical signal to each of the plurality of electrodes, and (e) a receiver connected to the source for accepting electrical signal transmitted by the plurality of electrodes, with the receiver of sufficient capacity to simultaneously accept electrical signal transmitted by each of the plurality of electrodes. |
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DETAILED DESCRIPTION Accordingly, it is an object of the present invention to provide an iontophoretic device useful for evaluating the penetration, absorption, and toxicity of compositions by iontophoresis.
It is a further object of the present invention to provide an iontophoretic device useful for evaluating a multiplicity of compositions using iontophoresis.
The iontophoretic device of the present invention comprises (a) a source for providing an electrical signal, (b) an electrode mounting block, (c) a plurality of iontophoresis electrodes electrically connected to the source and capable of transmitting an electrical signal, each of which have a skin contact surface, (d) a signal distribution network connected to the source and the electrode, and (e) a receiver connected to the source.
The mounting block typically has a plurality of separate openings formed therein in spaced-apart relation from one another.
Each of the openings are configured to receive an iontophoresis electrode.
Accordingly, each of the iontophoresis electrodes are received in one of the openings formed in the electrode mounting block.
The signal distribution network is electrically connected to both the source and each of the plurality of electrodes, and is capable of distributing an electrical signal to each of the plurality of electrodes.
The provision of electrical signal to each of the plurality of electrodes causes the iontophoretic delivery of ions through the skin with which the electrodes are in contact.
The receiver accepts electrical signal transmitted by the plurality of electrodes, and typically has sufficient capacity to simultaneously accept electrical signal transmitted by each of the plurality of electrodes, thus permitting the simultaneous evaluation of a multiplicity of compositions with a single IPPSF preparation.
The foregoing and other objects and aspects of the present invention are explained in detail in the specification set forth below.
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