Urinary incontinence treatment device

1 . A urinary incontinence treatment device comprising:

a sensor that detects urination;

stimulation pads configured to apply a stimulus to a wearer; and

a mechanical member including:

(i) a stimulus generator that generates a signal causing the stimulation pads to apply the stimulus to the wearer; and

(ii) a controller that controls the stimulus generator to generate the signal in response to urination detection by the sensor,

wherein

the stimulation pads include a first pair of stimulation pads and a second pair of stimulation pads,

the stimulus generator supplies electrical signals having different frequencies to the first pair of stimulation pads and the second pair of stimulation pads, respectively,

the first pair of stimulation pads and the second pair of stimulation pads are each a pair of electrode pads configured to apply an electrical stimulus to the wearer when being supplied with the electrical signal,

the frequencies of the electrical signals are set to 4,000 Hz to 4,300 Hz and a difference between the frequency set for the first pair of stimulation pads and the frequency set for the second pair of stimulation pads is 200 Hz to 300 Hz centered on 250 Hz, which is a frequency that specifically stimulates myelinated Aδ-fibers and 1 Hz to 10 Hz centered on 5 Hz, which is a frequency that specifically stimulates unmyelinated C-fibers,

the first pair of stimulation pads and the second pair of stimulation pads are arranged such that the electrical signal applied from the first pair of stimulation pads and the electrical signal applied from the second pair of stimulation pads intersect each other in the wearer's body and a resulting interference wave reaches the bladder, and

the controller includes a frequency adjustment section that sets the frequencies according to which of the myelinated Ad-fibers or the unmyelinated C-fibers are responsible for a pathological condition to be treated.

2 . The urinary incontinence treatment device according to claim 1 , wherein the sensor, the stimulation pads, and the mechanical member are attachable to a diaper.

3 . The urinary incontinence treatment device according to claim 1 , further comprising a diaper, wherein the sensor and the stimulation pads are provided in the diaper, and the mechanical member is connected to the sensor and the stimulation pads.

4 . The urinary incontinence treatment device according to claim 3 , wherein at least one of the sensor or the stimulation pads are formed on the diaper by patterning a conductive material.

5 . A urinary incontinence treatment device attachable to a diaper that includes a sensor that detects urination, the device comprising:

stimulation pads configured to apply a stimulus to a wearer; and

a mechanical member including:

(i) a stimulus generator that generates a signal causing the stimulation pads to apply the stimulus to the wearer;

(ii) a sensor element connecting part that connects the sensor to the mechanical member; and

(iii) a controller connected to the sensor element connecting part controls the stimulus generator to generate the signal in response to urination detection by the sensor,

wherein

the stimulation pads include a first pair of stimulation pads and a second pair of stimulation pads,

the stimulus generation unit supplies electrical signals having different frequencies to the first pair of stimulation pads and the second pair of stimulation pads, respectively,

the first pair of stimulation pads and the second pair of stimulation pads are each a pair of electrode pads configured to apply an electrical stimulus to the wearer when being supplied with the electrical signal,

the frequencies of the electrical signals are set to 4,000 Hz to 4,300 Hz and a difference between the frequency set for the first pair of stimulation pads and the frequency set for the second pair of stimulation pads is 200 Hz to 300 Hz centered on 250 Hz, which is a frequency that specifically stimulates myelinated Aδ-fibers and 1 Hz to 10 Hz centered on 5 Hz, which is a frequency that specifically stimulates unmyelinated C-fibers,

the first pair of stimulation pads and the second pair of stimulation pads are arranged such that the electrical signal applied from the first pair of stimulation pads and the electrical signal applied from the second pair of stimulation pads intersect each other in the wearer's body and a resulting interference wave reaches the bladder, and

the controller includes a frequency adjustment section that sets the frequencies according to which of the myelinated Ad-fibers or the unmyelinated C-fibers are responsible for a pathological condition to be treated.

6 . The urinary incontinence treatment device according to claim 5 , wherein at least one of the sensor or the stimulation pads are formed on the diaper by patterning a conductive material.

7 . A urinary incontinence treatment device connectable to a diaper that includes a sensor that detects urination and stimulation pads configured to apply a stimulus to a wearer,

the stimulation pads being electrode pads configured to apply an electrical stimulus to the wearer when being supplied with an electrical signal and including a first pair of stimulation pads and a second pair of stimulation pads, and

the first pair of stimulation pads and the second pair of stimulation pads being arranged such that an electrical signal applied from the first pair of stimulation pads and an electrical signal applied from the second pair of stimulation pads when the diaper is worn intersect each other in the wearer's body and a resulting interference wave reaches the bladder,

the urinary incontinence treatment device comprising:

a mechanical member including:

(i) a stimulus generator that generates a signal causing the stimulation pads to apply the stimulus to the wearer;

(ii) a sensor element connecting part that connects the sensor to the mechanical member; and

(iii) a controller connected to the sensor element connecting part controls the stimulus generator to generate the signal in response to urination detection by the sensor,

wherein

the stimulus generator supplies electrical signals having different frequencies to the first pair of stimulation pads and the second pair of stimulation pads, respectively,

the frequencies of the electrical signals are set to 4,000 Hz to 4,300 Hz and a difference between the frequency set for the first pair of stimulation pads and the frequency set for the second pair of stimulation pads is 200 Hz to 300 Hz centered on 250 Hz, which is a frequency that specifically stimulates myelinated Aδ-fibers and 1 Hz to 10 Hz centered on 5 Hz, which is a frequency that specifically stimulates unmyelinated C-fibers, and

the controller includes a frequency adjustment section that sets the frequencies according to which of the myelinated Aδ-fibers or the unmyelinated C-fibers are responsible for a pathological condition to be treated.

8 . The urinary incontinence treatment device according to claim 7 , wherein at least one of the sensor or the stimulation pads are formed on the diaper by patterning a conductive material.

9 . The urinary incontinence treatment device according to claim 1 , wherein the controller includes a time adjustment section that sets a stimulus application time according to a pathological condition.

10 . The urinary incontinence treatment device according to claim 1 , wherein the controller includes a frequency adjustment section and a time adjustment section, that set a frequency and a stimulus application time, respectively, according to a pathological condition.