Oscillating Ring Cutter With Guarded Cooling for Swollen Fingers
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Solution Overview
Problem
Existing finger ring cutting devices are not fast enough for patient comfort, lack safety features to prevent thermal burns and tissue injury, and require manual manipulation that can cause further pain and instability during the cutting process.
Innovation Solution
A finger ring-cutting apparatus with a reciprocating or oscillating blade and a tissue depressor and guard, equipped with a sprayer assembly for cooling and a spring mechanism to grip the ring, ensuring safe and efficient cutting without risking skin injury and thermal burns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a rotary wheel or grinder is used for cutting the ring, then the cutting speed is improved, but the risk of injuring or cutting the finger tissues surrounding the ring increases
Solution Approach 1:
The cutting blade is segmented with multiple cutting edges arranged in a circular pattern, allowing the blade to cut through the ring in a single rotation while distributing the cutting action across multiple points, thereby reducing the risk of tissue injury compared to a single-point rotary grinder
Solution Approach 2:
A guard structure is introduced as an intermediary component between the cutting blade and the finger tissue. The guard includes a shield that physically blocks the blade from contacting the tissue while still allowing the blade to cut the ring effectively
2Reliability
If a separate guard is placed underneath the ring to prevent injury from the blade, then the safety is improved, but the ease of operation deteriorates due to difficulty in placement and potential tissue injury
Solution Approach 1:
The guard structure is merged with the cutting device itself, forming an integrated assembly where the guard is attached to the device housing. This eliminates the need for separate placement of the guard underneath the ring, making the device easier to operate while maintaining safety
Solution Approach 2:
The guard is pre-positioned and fixedly attached to the cutting device before use. This preliminary positioning ensures the guard is already in the correct location to protect the tissue, eliminating the need for difficult manual placement during the procedure
3Adaptability or versatility
If manual manipulation of the cutting device is required, then the adaptability is improved, but the stability deteriorates causing the device to move from position and cause further pain
Solution Approach 1:
The cutting device is designed to be self-positioning and self-stabilizing during operation. The device includes features such as a positioning guide and stabilization mechanism that automatically maintain the correct cutting position without requiring continuous manual adjustment, thereby improving stability while retaining adaptability
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 apparatus allows for rapid and safe removal of rings without subjecting the patient to sharp edges or thermal burns, minimizing tissue injury and providing a stable cutting process.
Implementation Method 1
The oscillating blade's oscillation amplitude is small enough such that the blade is safe for operation without risking cutting skin while cutting the ring
Implementation Method 2
The ring cutter also employs a sprayer assembly to deliver a jet of cooling liquid to cool down the ring and blade and prevent any thermal burn
Data Source
AI summary
A ring cutter for removing an ornamental ring encircling a person's finger is disclosed. The ring cutter includes an oscillating hand-held multi-tool with a blade substantially oriented at a right angle that oscillates to cut the ring. The oscillating blade has an oscillating amplitude small enough to avoid any injury to the finger. The ring cutter further includes a tissue depressor and guard attached to the head portion of the ring cutter and functions to push down the swollen tissues that surround the ring that need to be cut and help in avoiding finger injury. The ring cutter further includes a sprayer assembly to deliver a jet of cooling liquid (such as water) to cool down the ring and blade and prevent any thermal burn during the cutting operation.