Patent No. US10357642 (titled "Removable tips for use with skin treatment systems") on Jul 26, 2017. The application was issued on Jul 23, 2019.
'642 is related to the field of skin resurfacing and dermatological care, specifically focusing on systems that combine mechanical exfoliation with the controlled delivery of therapeutic serums. The technology addresses the limitations of traditional microdermabrasion by integrating a fluidic system that hydrates and treats the skin simultaneously with the removal of dead tissue.
The underlying idea behind '642 is the use of a specialized treatment head featuring a spiral-like abrasive geometry that manages fluid dynamics at the point of contact. By arranging abrasive ridges in a spiral pattern, the device creates a controlled flow path for serums, increasing the contact time between the skin and the treatment fluid while simultaneously providing mechanical planing or exfoliation.
The claims of '642 focus on a treatment tip characterized by a monolithic construction that integrates an outer sealing boundary with internal spiral abrasive members. The independent claims specifically protect the geometric configuration of the tip, including its angled distal face for improved ergonomic contact and a skirt portion with a widened diameter to facilitate secure coupling and removal from a handpiece.
In practice, the system utilizes a vacuum to draw the patient's skin into contact with the spiral ridges while circulating fluids through dedicated intake and exhaust ports. This vortex-style circulation ensures that impurities and exfoliated debris are efficiently evacuated into a waste container while the healthy underlying tissue is bathed in antioxidants or salicylic acid serums.
This approach differs from prior art by replacing loose abrasive crystals or simple flat diamond tips with a fluid-guiding abrasive manifold. Unlike traditional dry dermabrasion which can be messy and irritating, this invention uses the spiral architecture to regulate serum detention time, ensuring deeper penetration of active ingredients and a more uniform exfoliation process without the need for secondary moisturizing steps.
In the mid-2000s when ’642 was filed, mechanical skin resurfacing was typically implemented using either high-speed abrasive burrs in dermabrasion or pressurized streams of aluminum oxide crystals in microdermabrasion. At a time when these systems commonly relied on dry mechanical friction to exfoliate the stratum corneum, the delivery of therapeutic fluids was generally restricted to topical application following the procedure. Hardware constraints made the simultaneous integration of controlled abrasion, fluid delivery, and waste evacuation non-trivial, as existing suction systems were primarily designed to capture dry debris rather than manage a continuous liquid-to-skin interface without leakage or loss of vacuum pressure.
The disclosed invention represents a technical advancement through the architectural integration of a closed-loop fluid delivery system within a mechanical exfoliation handpiece. By utilizing a specialized tip featuring a spiral inner member and a skirt portion, the system creates a localized treatment chamber when engaged with the skin. This structure enables a specific technical effect where treatment fluids are actively circulated across the target area via defined channels between supply and return apertures. This architectural shift allows for simultaneous exfoliation and deep-tissue hydration, overcoming the technical constraint of passive ingredient migration by utilizing the vacuum-induced chamber to facilitate active fluid exchange during the removal of skin layers.
The patent contains a total of 14 claims, with claims 1, 8, and 13 serving as the independent claims. These independent claims focus on the structural design of a skin treatment tip, specifically highlighting features such as a monolithic body with spiral-patterned abrasive inner members, an angled distal end to increase skin contact area, and a specialized skirt portion with a gripping surface for handpiece attachment. The dependent claims serve to further define the tip by specifying additional components like vacuum and fluid delivery passages, the inclusion of embedded treatment materials, and particular abrasive structures such as sharp blades.
Definitions of key terms used in the patent claims.
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