Photothermal Tonsil Reduction via Cooled Light-Transmitting Surfaces
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Solution Overview
Problem
Current tonsillectomy techniques face challenges with significant postoperative pain, bleeding complications, and prolonged recovery times, particularly in children, due to the invasive nature of the procedure and residual thermal damage.
Innovation Solution
A method and apparatus using light-transmitting cooled surfaces to compress and irradiate tonsil tissue, inducing controlled heating that causes immediate and delayed necrotic cell death, reducing tonsil size while minimizing thermal injury to the mucosal layer, and potentially eliminating biofilms associated with recurrent infections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional tonsillectomy techniques are used to remove tonsils, then tonsillar tissue is completely removed, but significant postoperative pain and bleeding complications occur
Solution Approach 1:
The patent replaces mechanical excision and thermal ablation methods with photothermal therapy using light-transmitting contact surfaces. Light energy is transmitted through the contact surfaces to induce controlled heating of tonsillar tissue, causing necrotic cell death without mechanical cutting or cauterization, thereby reducing postoperative pain and bleeding while achieving complete tonsil removal
Solution Approach 2:
The patent changes the physical state and parameters of tonsillar tissue through controlled photothermal heating. By adjusting light intensity, exposure time, and contact surface temperature, the treatment achieves selective necrosis of tonsillar parenchyma while preserving the mucosal layer, resolving the contradiction between complete removal and minimizing damage
2Quantity of substance
If thermal ablation methods are used to destroy tonsil tissue, then tonsil size is reduced, but residual thermal damage occurs to surrounding tissues
Solution Approach 1:
The patent introduces light-transmitting contact surfaces as intermediaries between the light source and tonsillar tissue. These contact surfaces transmit light energy uniformly while their controlled temperature prevents direct thermal contact damage, acting as a mediator that enables photothermal therapy without the harmful effects of direct thermal ablation
Solution Approach 2:
The patent employs controlled intermittent light delivery through the contact surfaces, using periodic heating cycles that allow tissue to reach necrotic temperatures while preventing excessive heat accumulation in surrounding tissues. This periodic action achieves complete tonsil destruction while minimizing residual thermal damage
3Reliability
If invasive surgical procedures are performed on children, then tonsillar disease is treated, but prolonged recovery time and economic burden increase
Solution Approach 1:
The patent replaces invasive mechanical surgery with non-contact photothermal therapy, eliminating surgical wounds, stitches, and associated recovery complications. Children receive treatment through light-transmitting contact surfaces without cutting or suturing, dramatically reducing recovery time from weeks to days while maintaining treatment efficacy
Solution Approach 2:
The patent enables outpatient treatment without requiring hospital admission or general anesthesia. The photothermal therapy can be performed in clinic settings with minimal preparation and no postoperative hospital care needed, eliminating the time loss and economic burden associated with traditional surgical procedures
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
This approach reduces postoperative pain, minimizes bleeding risks, accelerates recovery, and allows for a more rapid return to normal activities with reduced economic burden, while being easier to perform and potentially safer for children and adults.
Implementation Method 1
irradiating the tonsil tissue with light from the contact surfaces such that the tonsil tissue is heated
Implementation Method 2
The contact surfaces are cooled sufficient to prevent thermal injury to the tonsil mucosal layer
Data Source
AI summary
An apparatus and a method are provided for the treatment of soft tissue. The apparatus includes a light source and at least two optical assemblies. Each of the optical assemblies includes at least one optical element and a light-transmitting contact surface configured to transmit a substantially uniform distribution of light therethrough. The apparatus further includes at least two optical transmission devices each disposed between the light source and a corresponding one of the at least two optical assemblies. The apparatus also includes a handpiece to which the at least two optical assemblies are attached, and which is adapted to bring the light-transmitting contact surfaces of the at least two optical assemblies in contact with soft tissue disposed therebetween. The method includes compressing and substantially flattening portions of the tonsil tissue between light-transmitting contact surfaces of two opposed light emitting optical assemblies, introducing light into an optical element of each of the optical assemblies; and irradiating the tonsil tissue by directing the light from the optical element through the light-transmitting contact surfaces to the tonsil tissue in a substantially uniform light distribution.