Method for sterilizing and disinfecting body tissues by using iontophoresis and the medical device
First Claim
1. An iontophoresis-based medical device comprising a positive electrode section capable of retaining a drug solution, a negative electrode section capable of retaining a solution, a power source supplying an electric current to said positive electrode section and negative electrode section, and a controller controlling the value and electric conduction time of the current supplied from the power source, which allows the drug solution to permeate into a lesion based on ionphoresis obtained by conducting current between said positive electrode section and negative electrode section, wherein said positive electrode section and negative electrode section are respectively given a handleable stick shape, said positive electrode section is provided with a drug solution retainer which retains said drug solution and contacts with a lesion, and said negative electrode section is provided with a solution retainer which retains said solution and contacts with a part of the body in the vicinity of the lesion.
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Abstract
An iontophoresis-based medical device comprising a positive electrode section, a negative electrode section, a power source supplying an electric current to the positive electrode section and negative electrode section and a controller controlling the current value and conduction time of the electric current, the iontrophoresis-based medical device for allowing the drug solution to permeate into a lesion based on ionphoresis obtained by conducting current between the positive electrode section and negative electrode section, wherein the positive and negative electrode section are respectively given a handleable stick shape, the positive electrode section is provided with a drug solution retainer which retains the drug solution and contacts with a lesion, and the negative electrode section is provided with a solution retainer which retains the solution and contacts with a part of the body in the vicinity of the lesion.
48 Citations
13 Claims
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1. An iontophoresis-based medical device comprising a positive electrode section capable of retaining a drug solution,
a negative electrode section capable of retaining a solution, a power source supplying an electric current to said positive electrode section and negative electrode section, and a controller controlling the value and electric conduction time of the current supplied from the power source, which allows the drug solution to permeate into a lesion based on ionphoresis obtained by conducting current between said positive electrode section and negative electrode section, wherein said positive electrode section and negative electrode section are respectively given a handleable stick shape, said positive electrode section is provided with a drug solution retainer which retains said drug solution and contacts with a lesion, and said negative electrode section is provided with a solution retainer which retains said solution and contacts with a part of the body in the vicinity of the lesion.
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9. A method for sterilizing and disinfecting body tissues by using iontophoresis wherein a drug solution retained by a positive electrode section is allowed to come into contact with an oral lesion in body tissues and a solution retained by a negative electrode section is allowed to come into contact with the vicinity of said lesion, thereby providing an electric closed circuit between these electrode sections and the lesion to conduct a current of 40 μ
- A or lower into the closed circuit for 8 to 30 seconds.
- View Dependent Claims (10, 11)
- 12. A method for sterilizing and disinfecting body tissues by using iontophoresis wherein a drug solution retained by a positive electrode section is allowed to come into contact with a superficial lesion of a human body or small animals and a solution retained in a negative electrode section is allowed to come into contact with the vicinity of said lesion, thereby providing an closed electric circuit between these electrode sections and the lesion to conduct a current of 0.2 to 0.5 mA into the closed circuit for a predetermined time.
Specification