Surgery – Male reproductory tract shields or birth control devices
Patent
1996-11-08
1999-11-09
Brown, Michael A.
Surgery
Male reproductory tract shields or birth control devices
128844, 128918, A61F 602
Patent
active
059794470
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to an occlusive dressing comprising a local anaesthetic, and the use of local anaesthetics in combination with occlusive dressings for the preparation of a product useful for postponement of male ejaculation. More specifically it relates to the use of local anaesthetics and occlusive dressings of the condom type for the preparation of a product useful in the treatment of premature ejaculation (PME).
The product can also be used by partners, not suffering from PME but who simply want to have a longer sexual intercourse, and the occlusive dressing also may be a pessary or a femidom (i.e. an occlusive dressing having the same effect as a condom, but designed to be worn in the vagina).
BACKGROUND OF THE INVENTION
The definition of the term "premature ejaculation" according to DSM-III-R is "a presistent or recurrent ejaculation with-minimal sexual stimulation before, upon or shortly after penetration and before the person wishes it".
To a man skilled in the art the terms "erectile dysfunction" and "premature ejaculation" are two entirely separate concepts based on different etiologies (see British Journal of Hospital Medicine, Vol 40, Dec. 1988, p. 428 och 434).
Studies have shown that PME is a widespread problem in sexual relationships. Indeed, mention is made of as much as 75 % of men ejaculating within 2 minutes after penetration, and an important number of men reaching climax even within 1 minute of coitus.
This situation may be the cause of psychological disturbances for the man suffering from PME, as well as for his female partner.
There is no reliable documentation identifying the etiology of PME, but different theoretical concepts exist. They relate the problem 1) hypersensitivity of the glans penis, resulting in excessive stimulation of the sexual center in the central nervous system, 2) anxiety, 3) destructive interactional patterns, 4) learning and conditioning from early sexual experiences, and 5) multi-factorial causes.
The presently existing methods of treating PME are on the one hand of a psychological or "technical" type, such as the "pause-squeeze" method (W. H. Masters and V. E. Johnson, Human Sexual Inadequacy, Little; Brown & Company, Boston, Mass., 1970) and on the other hand of the pharmacological type. Thus, a variety of pharmacological techniques have been reported to delay or block an ejaculatory response. While reporting variable success rates, studies have been largely uncontrolled. Apart from the use of systemic drugs such as antidepressants or beta blockers, with evident drawbacks resulting from the side effects of the pharmaceutical, one of the interventions has been to apply topical anaesthetic to the penis before the sexual intercourse (Schapiro, J. Urology, 50, 374-379, 1943. Aycock, J. Urology, 62, 361-362, 1949. Damrav, J. Urology, 89, 936-939, 1963).
However, the use of the local anaesthetic alone has in most instances given only mediocre improvments, prolonging the coitus with on the average less than 2 minutes.
U.S. Pat. No. 3 363 624 to Fishman discloses a medicated prophylactic device comprising, in combination, an elastic tubular sheet having an open proximal end and a closed distal end, and provided adjacent the inner surface of the distal end thereof with about 0,2 to 5 cc. of a readily water-dispersible desensitizing composition, containing about 0,5 to25 % by weight of a desentizing agent, the amount of said composition and the concentration of the desensitizing agent in said composition being effective for only temporarily desensitizing a body member inserted in said device. The protective sheath, when used on the male organ increases the period of active intercourse prior to spermatic emission. However, at column 3, lines 19-23 it is stated that "For use on the male organ, an amount of desensitizing composition only sufficient to coat the glans penis or head of the male organ need be applied to the inner surface of the sheath.
U.S. Pat. No. 4 840 188 to Heidenfelder discloses a condom for use by a male human
REFERENCES:
patent: 4446860 (1984-05-01), Gutnick
patent: 4795425 (1989-01-01), Pugh
patent: 4829991 (1989-05-01), Boeck
patent: 4840188 (1989-06-01), Heidenfelder
patent: 5333621 (1994-08-01), Denzer
Brown Michael A.
Kelly Robert H.
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