Seamless Casing for Laser Dermatology Device
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Solution Overview
Problem
Conventional dermatological treatment devices with plastic casings are prone to internal contamination due to liquid penetration through seams, posing risks to patients and personnel.
Innovation Solution
A protective casing with an elongated, seamless design featuring an air inlet and outlet grille, a deep-set pyrometer window, a translucent light guide, an access panel for programming ports, and a dual-button laser firing mechanism, all assembled with recessed screws and screw covers to prevent contamination and enhance handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the casing is manufactured in two longitudinal halves with a seam, then the device is easier to manufacture and assemble, but liquid can penetrate through the seam causing internal contamination
Solution Approach 1:
The casing is divided into two longitudinal halves that can be easily manufactured and assembled, but the segmentation creates a seam that compromises contamination protection. This principle is applied to maintain manufacturing ease while the patent accepts the trade-off of potential contamination risk.
Solution Approach 2:
A flexible seal is placed in the joint between the two casing halves to prevent liquid penetration. The seal comprises a radially extending portion and an axially extending portion that work together to block contaminants while accommodating the segmented structure.
2Reliability
If a seal is added to the joint between casing halves, then protection against liquid penetration is improved, but the device complexity increases
Solution Approach 1:
A flexible seal is placed in the joint between the two casing halves to prevent liquid penetration. The seal comprises a radially extending portion and an axially extending portion that work together to block contaminants while accommodating the segmented structure.
Solution Approach 2:
The seal is nested within the joint structure between the two casing halves, with the radially extending portion and axially extending portion arranged in a compact configuration that minimizes additional space requirements and integrates smoothly with the existing casing design.
3Ease of manufacture
If the head is made up of multiple parts, then manufacturing and assembly are easier, but liquid can penetrate through seams in the head area
Solution Approach 1:
The head is divided into multiple parts including a distal portion and a proximal portion that can be manufactured and assembled separately, but this segmentation creates additional seams in the head area that are vulnerable to liquid penetration and contamination.
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 internal contamination, improves air circulation for cooling, ensures accurate temperature measurement, and enhances operator safety and device efficiency while maintaining cost-effectiveness.
Implementation Method 1
at least one fan capable of dissipating the heat released by said laser
Implementation Method 2
at least one pyrometer near said laser head that is capable of measuring the temperature of the target area
Implementation Method 3
a laser head capable of firing a laser beam... capable of firing a laser beam towards a target area comprising a patient's dermal tissues in order to accelerate healing
Data Source
AI summary
This relates to a protective casing for a dermatological treatment device that includes a laser, wherein the casing has an elongated shape that envelopes the device and forms at one end a head including an opening capable of allowing a beam fired by the laser to pass; the casing including several parts assembled together, where the head is formed from a single, part.