Surgery – Means for introducing or removing material from body for... – Infrared – visible light – ultraviolet – x-ray or electrical...
Patent
1997-05-12
1999-05-04
Coggins, Wynn Wood
Surgery
Means for introducing or removing material from body for...
Infrared, visible light, ultraviolet, x-ray or electrical...
607143, 128883, A61N 130, A61N 105, A61F 537
Patent
active
058998756
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a device for percutaneous administration of a medicament for treating male impotence and, more particularly, to such a device comprising at least one reservoir which can be moisturized with a solution of the medicament and is designed to bear on the skin of the penis.
BACKGROUND OF THE INVENTION
Organic male impotence, that is to say erectile dysfunction, is in most cases of iatrogenic, hormonal, vascular or psychologic origin. Attempts have hitherto been made to treat this condition in some cases by injecting papaverine into the cavernous bodies of the penis. This technique presents various disadvantages. The administration of papaverine by injection is on the one hand painful and on the other hand dangerous. This is because it can result, in the long term, in irreversible lesions, such as the appearance of fibrous plates or nodules in the cavernous bodies. It sometimes also causes excessively prolonged erections, which have to be treated with other injections in order to reduce them. It has also been proposed to treat erectile dysfunction by purely mechanical means consisting of a pneumatic vacuum device which is fitted around the penis in order to provoke its erection. A ring then blocks any escape of blood from the cavernous bodies.
It is clear that these known treatment procedures are unsatisfactory on account of their traumatizing and/or dangerous nature and the pain which their use entails.
SUMMARY OF THE INVENTION
The present invention therefore has the aim of making available a device for treating male impotence which does not have any of these disadvantages and which thus ensures that this condition is treated in a manner which is painless, straightforward and without danger.
These aims of the invention, as well as others which will become apparent from reading the following description, are achieved by means of a device for percutaneous administration of a medicament for treating male impotence, comprising at least one reservoir which can be moisturized with a solution of the medicament and is designed to bear on the skin of the penis, this device being distinguished by the fact that it comprises a means in the form of a substantially cylindrical bracelet, of elastically expansible diameter, for supporting and pressing the moisturized reservoir against said skin throughout the duration of the treatment.
The expansible nature of the bracelet prevents the gradual swelling of the cavernous bodies during treatment from causing constriction of the penis by the bracelet, and a firm and continuous contact of the reservoir on the penis is afforded, which contact is necessary for the percutaneous administration of the medicament.
The device advantageously also comprises means, likewise supported by the bracelet, for assisting the passage of the medicament through the patient's skin by electrophoresis or ionophoresis. It is thus possible to control and monitor the flow of medicament passing through said skin. This control and monitoring can be refined, according to the invention, with the aid of a sensor which is fixed on the bracelet and is sensitive to the expansion of the latter in order to deliver a signal, representative of this expansion, to the means of assistance, in such a way as to ensure that these means are controlled as a function of the expansion of the bracelet, and thereby of the penis, under the effect of the swelling of the cavernous bodies.
It will be appreciated that by virtue of this sensor it is possible to stop the administration of the medicament in practice as soon as a sufficient erection has been obtained, which prevents any dangerous excess administration. It is also possible to control the administration of the medicament in accordance with a predetermined time program, as is traditional in the percutaneous administration of medication assisted by electrophoresis or ionophoresis.
According to one particular embodiment of the invention, the sensor consists of a strain gauge which is fixed on the bracelet so as to be
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Lamoise Michel
Millot Philippe
Coggins Wynn Wood
Finkel Sharon
Laboratoires d'Hygiene et de Dietetique (L.H.D.)
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