Dual-Lever Circumcision Tool with Adjustable Hinged Clamps
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Solution Overview
Problem
Current circumcision methods require multiple instruments and assistants, are not adaptable to different penis sizes, and lack a convenient mechanism for one-handed operation, particularly in resource-limited settings.
Innovation Solution
A scissor-like apparatus with a dual-lever body and hinged clamps that can be adjusted to fit various glans sizes, allowing for one-handed operation and secure clamping of the foreskin during cutting, with features like pressure distributors and latches for easy use and recovery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional circumcision methods use multiple instruments and assistants, then the procedure can be performed with proper control, but the device complexity and operational difficulty increase
Solution Approach 1:
The patent combines multiple traditional circumcision instruments (clamps, cutters, retraction devices) into a single integrated apparatus. The device features a body with a clamp mechanism that secures the foreskin, a cutter that removes the excess tissue, and a retraction mechanism that pulls the foreskin away from the glans, all operable from one handheld device.
Solution Approach 2:
The circumcision apparatus performs multiple functions simultaneously: it clamps the foreskin to secure it in position, retracts the foreskin from the glans using a ratcheted mechanism, and cuts the excess foreskin with an integrated cutter. This multi-functional design eliminates the need for separate instruments for each step of the procedure.
2Manufacturing precision
If traditional methods require two pairs of tweezers and a surgical knife, then cutting precision can be achieved, but the ease of operation decreases due to requiring three hands
Solution Approach 1:
The patent integrates the functions of tweezers (for grasping and retracting foreskin) and a surgical knife (for cutting) into a single apparatus. The device includes a clamp mechanism that grasps the foreskin, a ratcheted retraction system that pulls it away from the glans, and an integrated cutter that precisely removes the excess tissue, all controlled from one handheld device.
Solution Approach 2:
The apparatus is divided into functional segments: a clamp portion for securing the foreskin, a retraction mechanism with ratcheted arms that pull the foreskin away, and a cutter portion that removes the excess tissue. Each segment performs a specific function but all are integrated into one operable unit that can be controlled with one hand.
3Device complexity
If fixed-size apparatus are used for circumcision, then the device structure is simple, but the adaptability to different glans sizes is poor
Solution Approach 1:
The clamp mechanism includes adjustable components that can be modified to accommodate different sizes of glans and foreskin. The ratcheted retraction arms can be positioned at different angles and tensions to suit various anatomical dimensions, allowing the same device to adapt to different patients without requiring multiple fixed-size apparatus.
Data Source
AI summary
A circumcision tool for securely holding and cutting the prepuce of a penis includes a forceps body and a prepuce clamp. The forceps body includes a first arm and a second arm that are pivotally connected to each other to form a dual-lever body. A first handle is terminally connected to the first arm, while a second handle is terminally connected to the second arm, allowing for manipulation of the first arm and the second arm. The prepuce clamp includes a first hinged clamp and a second hinged clamp; the first hinged clamp being connected to the first arm opposite the first handle and the second hinged clamp being connected to the second arm opposite the second handle. The first hinged clamp and the second hinged clamp are ring shaped members that can be laterally separated to fit around the penis.