Electrocautery Pen Sleeve with Spring-Actuated Trigger Guard
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current electrocautery devices lack effective protection against accidental actuation, which can lead to fires or burns due to their large and clumsy holsters, and existing solutions do not ensure the pen tip remains secure, risking activation during use.
Innovation Solution
A compression spring automated retractable protective electrocautery pen tip cover that secures the pen tip and prevents accidental actuation by using a sleeve with a trigger actuation opening that only allows access when the pen is in a retracted configuration, and a resilient member that urges the sleeve to a non-retracted position for protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large clumsy plastic box holster is used to secure the electrocautery pen, then accidental actuation is prevented, but the device becomes unstable and can be dislodged from the operating field
Solution Approach 1:
The protective sleeve is nested directly onto the electrocautery pen shaft, with the sleeve containing a compression spring that automatically urges the pen tip into the sleeve when not in use. This nested configuration provides both protection and stability without requiring a separate external holster.
Solution Approach 2:
The protective sleeve acts as an intermediary mechanism between the pen and the operating field, providing both protection during storage and stability during use through its automated retraction system with trigger actuation opening.
2Stability of the object's composition
If the pen is left exposed without protection, then it remains stable on the operating field, but accidental actuation can occur causing fires or burns
Solution Approach 1:
The protective sleeve with automated retraction mechanism applies preliminary anti-action by automatically covering the pen tip and blocking trigger access whenever the pen is not actively being used, preventing accidental actuation before it can occur.
Solution Approach 2:
The compression spring within the protective sleeve provides self-service functionality, automatically urging the pen tip into the protective position without requiring manual intervention from the surgeon or staff.
3Reliability
If a protective cover is added to the electrocautery pen, then accidental actuation is prevented, but the device complexity increases
Solution Approach 1:
The protective sleeve is designed as a thin-walled cylindrical structure that provides protection through its geometry and the automated retraction mechanism, rather than through complex rigid structures or multiple components.
Solution Approach 2:
The sleeve's position parameter changes automatically between extended (protective) and retracted (operational) states through the compression spring mechanism, providing protection without requiring complex control systems.
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 solution effectively prevents accidental actuation of the electrocautery pen, reducing the risk of fires and burns by ensuring the pen tip is covered and secure, even when the device is dropped or not in use, through a simple and non-invasive accessory system that does not alter the original pen.
Implementation Method 1
a compression spring automated retractable protective electrocautery pen tip cover
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A cautery pen tip accessory cover comprises a cylindrical member that can receive a cautery pen in a first end and the tip of the cautery pen can extend from a second opposite end when the cover is in a retracted configuration. The cylindrical member has an opened lateral exposure that allows the feel of the cautery pen therethrough. A cover exposure opening in the cylindrical member provides access to a trigger of the cautery pen when the cautery pen tip cover is in the retracted configuration. A resilient member urges the cautery pen tip cover to the non-retracted configuration where access to the cautery pen trigger is prevented. The cylindrical member is easily retracted by a finger ring configured permanently into the cylindrical member, allowing easy retraction of the cover by the operator squeezing the cover to a resistance bar stabilization system accessory configured over the cautery pen.