Bipolar Tissue Debrider with Integrated Electrosurgical Coagulation
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Solution Overview
Problem
Conventional tissue debriders lack the capability to cauterize or coagulate tissue, necessitating the use of a separate tool post-surgery to manage bleeding.
Innovation Solution
A debrider apparatus that combines a cutting mechanism with electrosurgical functionality, utilizing two tubular members with opposing electrical potentials and teeth structures to shear and cauterize/coagulate tissue, along with a system for suction and irrigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional debrider is used to shear tissue, then tissue cutting is achieved, but the ability to coagulate or cauterize tissue is lost
Solution Approach 1:
The patent combines the debrider cutting mechanism with electrosurgical coagulation capability into a single integrated instrument. The cutting tube is equipped with electrosurgical electrodes that can coagulate tissue simultaneously or sequentially with the mechanical cutting action, eliminating the need for a separate coagulation tool and thereby increasing versatility without proportionally increasing complexity
Solution Approach 2:
The debrider instrument is designed to perform multiple functions: mechanical tissue shearing through rotating/reciprocating cutting teeth and electrosurgical coagulation through integrated electrodes. This multi-functional design allows a single instrument to replace both a conventional debrider and a separate coagulation tool, addressing the versatility improvement while managing device complexity
2Reliability
If a separate coagulation tool is used after debridement, then tissue coagulation is achieved, but surgical time and procedure complexity increase
Solution Approach 1:
The electrosurgical coagulation capability is integrated into the debrider so that coagulation can be performed simultaneously with or immediately during the cutting process. This preliminary integration of coagulation function eliminates the need for subsequent separate coagulation steps, thereby reducing surgical time while maintaining reliable bleeding control
Solution Approach 2:
By merging the coagulation function into the debrider instrument, the patent enables concurrent or sequential cutting and coagulation in a single continuous action. This eliminates the time loss associated with tool changes and repositioning, while ensuring reliable hemostasis is achieved during the debridement procedure itself
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
Enables simultaneous tissue shearing and cauterization/coagulation with a single instrument, reducing the need for additional tools and improving surgical efficiency by managing bleeding effectively.
Implementation Method 1
The first tubular member is adapted to connect to a first potential of an electrosurgical generator and the second tubular member is adapted to be connected to a second potential of the electrosurgical generator
Data Source
AI summary
A debrider apparatus is disclosed. The debrider includes a first tubular member that is adapted to connect to a first potential of an electrosurgical generator. A second tubular member is at least partially disposed within the first tubular member and is adapted to connect to a second potential of the electrosurgical generator. At least one tubular member is selectively movable relative to the other. A first set of teeth is disposed around at least a portion of a distal periphery of the first tubular member. A second set of teeth is disposed around at least a portion of a distal periphery of the second tubular member. At least one switch is operably coupled to at least one of the tubular members and activates movement of one tubular member and supplies respective electrical potentials to the tubular members.