Disposable Alginate Sheath for Hygienic Stimulation Device
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Solution Overview
Problem
Conventional male sexual stimulation devices with reusable parts require extensive cleaning and disinfecting, pose safety risks if not properly cleaned, and can develop cracks over time, leading to ineffective sanitation and potential disease transmission.
Innovation Solution
A disposable, low-cost, user-made device using a mold assembly with a mold inner tube, outer tube, end caps, and a mold fluid composed of water and alginate powder, which can be quickly assembled, cured, and used as a genital sheath, providing a sterile and easily cleanable solution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If conventional stimulation devices use reusable parts, then device durability and reusability are improved, but cleaning complexity and disease transmission risk increase
Solution Approach 1:
The patent applies the disposable principle by making the genital engaging portion a single-use component that is discarded after one use. This eliminates the need for repeated cleaning and disinfecting, thereby removing the risk of disease transmission from improper cleaning or wear cracks. The disposable nature ensures each use is sterile while maintaining device functionality through inexpensive replacement rather than complex cleaning protocols.
Solution Approach 2:
The device is segmented into a reusable motorized portion and a disposable genital engaging portion. This segmentation allows the critical hygiene component to be replaced frequently and cheaply, while the expensive motorized portion is reused. The separation enables independent disposal of the contaminated portion without wasting the functional motor component, resolving the contradiction between reusability and hygiene safety.
2Object-affected harmful factors
If conventional stimulation devices are extensively cleaned and disinfected, then hygiene is improved, but time consumption and potential damage to device structure increase
Solution Approach 1:
By making the genital engaging portion disposable, the patent eliminates the time-consuming cleaning and disinfecting process entirely. Users simply discard the used portion and attach a new one, reducing cleaning time from potentially extensive procedures to a simple replacement action. This resolves the contradiction by making hygiene maintenance instantaneous rather than time-intensive.
Solution Approach 2:
The patent extracts the hygiene-critical genital engaging portion as a separate removable component that can be independently disposed of. This extraction allows the hygiene function to be maintained through simple replacement rather than complex cleaning procedures, eliminating the time loss associated with extensive cleaning while ensuring germ-free usage.
3Duration of action of stationary object
If reusable parts are used over time, then device longevity is improved, but crack formation and wear marks increase making true cleaning impossible
Solution Approach 1:
The patent applies the disposable principle to the genital engaging portion, which is manufactured at low cost and designed for single use. This eliminates the problem of crack formation and wear marks that compromise cleaning effectiveness, as each new portion is pristine and free from degradation. The low cost of the disposable portion makes this approach economically viable despite the reduced lifespan of individual components.
Solution Approach 2:
By segmenting the device into reusable and disposable portions, the patent isolates the component subject to wear and contamination. The disposable genital engaging portion is replaced before cracks or wear marks can form, ensuring cleaning effectiveness is never compromised. The reusable motorized portion remains protected from direct contact with biological materials, maintaining its integrity over time.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device offers enhanced cleanliness and safety by being disposable and easily sterilizable, reducing exposure to germs and diseases, while being adjustable and capable of providing up to 3 hours of use before degradation, suitable for medical purposes and endurance training.
Implementation Method 1
curing the mold fluid to provide a genital sheath
Data Source
AI summary
A product may include a mold assembly comprising a mold inner tube, a mold outer tube, a first end cap, and a second end cap, and an inner texture sleeve; a cured mold product comprising about 20 parts by weight of a dry powder and about 540 parts by weight of water; and at least one sleeve positioned circumferentially around the cured mold product being constructed and arranged to provide constrictive force on the cured mold product.


