Surgery – Means for introducing or removing material from body for... – Treating material applied to or removed from external...
Patent
1995-01-17
1997-04-29
Weiss, John G.
Surgery
Means for introducing or removing material from body for...
Treating material applied to or removed from external...
604289, 604290, A61M 100, A61M 3500
Patent
active
056244169
DESCRIPTION:
BRIEF SUMMARY
CROSS REFERENCE TO RELATED APPLICATIONS
This application is a national phase of PCT/EP 93/01856 filed 15 Jul. 1993 and based in turn on German national application P 42 23 516.2 of 17 Jul. 1992 under the International Convention.
FIELD OF THE INVENTION
The invention relates to a mechanical device for cleaning skin pores from sebum, dirt and bacteria deposited in the pores, so called white and black comedones, thereby eliminating their effects in the form of pimples and blackheads.
BACKGROUND OF THE INVENTION
It is very common in skin care to remove impurities, sebum residues lodged in the skin pores, etc. These residues very often clog the pores, hinder cutaneous breathing, collect bacteria and cause pimples or acne. In addition to a series of medicated preparations, there are also treatments with comedone extractors, which require use only by a skilled person and which can be quite time-consuming. These treatments are used when the condition is advanced and can produce visible, unpleasant results. It is also important to regularly clean the pores, even when the skin is healthy and the skin glands function normally, which can be done by washing, face masks and steam baths. A series of known publications also propose treatments based on the use of vacuum for the removal of impurities from the skin pores. There are products on the market which, although widely used, cannot fulfill the promises of effective cleaning.
A series of suction devices based on vacuum are known such as described in the following references: FR-26 26 179; U.S. Pat. Nos. 4,292,971; 4,900,316; 3,794,035; DE 26 11 721; U.S. Pat. No. 4,609,368; DE 32 16 523 A1; AB 353 395; U.S. Pat. Nos. 722,019; 948,005; 1,141,373; 1,225,244; 2,571,398; 4,141,379; 4,765,316, which in various ways propose to remove the skin and pore substances through suction and are here cited as technological background.
The above-mentioned techniques all have a common disadvantage in that the practical cleansing effect is minimal or nonexistent. This can be explained by the fact that although the pores are opened, the suction is made more difficult because the pore remains closed on the body side.
DE 40 29 326 and related literature represent a substantial advance in this field, in that they use pulse action to prevent bruises and apply an elastic membrane to the suction nozzle, which is common to a number of suction openings, thereby providing an effective hygiene protection, as well as underpressure distribution to the suction openings. The inside of the suction device is safely protected from the penetration of extracted substances, which allows for a more compact construction.
OBJECT OF THE INVENTION
It is the object of the present invention to provide an improved method of and apparatus for the cleaning of skin pores, especially for removing clogs formed by sebum depositions, comedones, etc., thereby also safely preventing any damage to the skin.
SUMMARY OF THE INVENTION
These objects are achieved, in accordance with the invention, in that the skin portions subjected suction, preferably according to DE 40 29 326, are also subjected to a mechanical pressure effect in the lower region of the lifted skin portion, which then results in a pressing out of the pore contents.
The suction of the skin into the nozzle opening serves exclusively for drawing the pore into an advantageous position in order to open it, after which the pressure effect all around the pore is the actual effectively applied cleaning force.
According to the present invention, the pressure effect is further subdivided into short pressure pulses, whose time and amplitude parameters are varied so that an optimal cleaning can be obtained while bruising is prevented.
According to the invention, during one suction interval, several pressure pulses are applied. To produce these pressure pulses which are shorter than a suction interval, I may superimpose vibrations (with incomplete amplitude decrease) upon a main pressure pulse. These finer harmonic vibrations of the pressure force cause looseni
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patent: 1847619 (1932-03-01), Mascolo
patent: 2338339 (1944-01-01), Mere et al.
patent: 3315665 (1967-04-01), MacLeod et al.
patent: 4295243 (1981-10-01), King
patent: 4611397 (1986-09-01), Janisiewicz et al.
Dubno Herbert
Ruhl Dennis
Weiss John G.
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