Bipolar Electroblade for Simultaneous Tissue Resection and Hemostasis
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Solution Overview
Problem
Conventional medical shaver devices with mechanical cutting methods often result in excessive bleeding during and after procedures, prolonging patient recovery time and requiring additional interventions.
Innovation Solution
A medical device featuring a bipolar electroblade with a rotating or oscillating saline electrode that acts as both a cutting and coagulating tool, utilizing a steady saline fluid stream for conductivity and a suction path for debris extraction, reducing the need for mechanical cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If mechanical cutting methods are used in conventional shaver devices, then tissue resection is achieved, but excessive bleeding occurs during and after the procedure
Solution Approach 1:
The patent combines cutting and coagulating functions into a single electroblade tool. The bipolar electroblade simultaneously cuts tissue through mechanical action and coagulates blood vessels through electrical current, eliminating the need for separate cutting and hemostasis instruments. This merging of functions allows tissue resection while simultaneously controlling bleeding at the cut site.
Solution Approach 2:
The patent replaces purely mechanical cutting with an electro-mechanical system. The electroblade uses electrical current delivered through saline irrigation to coagulate tissue edges as they are being cut, substituting the need for separate mechanical coagulation devices or manual hemostasis techniques. This substitution reduces bleeding while maintaining cutting effectiveness.
2Productivity
If mechanical cutting methods are used, then tissue resection is achieved, but patient recovery time is prolonged
Solution Approach 1:
The electroblade performs coagulation action during the cutting process itself, before bleeding can become excessive. By applying electrical current simultaneously with mechanical cutting, the device seals blood vessels at the moment of incision, preventing blood loss that would otherwise require post-procedure intervention and extending recovery time.
Solution Approach 2:
The integration of cutting and coagulating functions in one tool allows simultaneous tissue resection and hemostasis, eliminating the need for separate post-procedure packing or additional surgical steps to control bleeding, thereby reducing overall recovery time.
3Productivity
If mechanical cutting methods are used, then tissue resection is achieved, but additional interventions such as packing or blood transfusion are required
Solution Approach 1:
The electroblade integrates cutting, coagulation, and irrigation functions in a single tool, eliminating the need for multiple separate instruments and interventions. The bipolar electroblade delivers electrical current through saline irrigation to coagulate tissue edges during cutting, reducing or eliminating the need for post-procedure packing, additional hemostatic agents, or blood transfusions.
Solution Approach 2:
The electroblade serves multiple functions: mechanical cutting through oscillation, electrical coagulation through bipolar current delivery, and irrigation through integrated saline flow. This multi-functionality replaces what would otherwise require multiple separate devices and interventions, simplifying the overall procedural complexity.
4Ease of operation
If conventional shaver devices are used, then mechanical cutting is performed, but bleeding control requires separate coagulation devices
Solution Approach 1:
The electroblade merges cutting and coagulation functions into a single integrated tool. The bipolar electroblade delivers electrical current through saline irrigation to coagulate tissue edges during mechanical cutting, eliminating the need to switch between separate cutting and coagulation devices during the procedure.
Solution Approach 2:
The electroblade is designed to perform multiple functions: mechanical oscillation for cutting, electrical current delivery for coagulation, and integrated irrigation for conductivity and cooling. This multi-functionality allows a single device to replace what would otherwise require multiple separate instruments, simplifying the surgical setup and操作流程.
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 electroblade device minimizes bleeding by simultaneously cutting and coagulating tissues, reducing recovery time and the need for post-procedure packing, while simplifying motor drive control and potentially lowering equipment costs.
Implementation Method 1
a bipolar electroblade configured to be capable of rotating or oscillating within the outer tubular member
Implementation Method 2
utilizing a steady saline fluid stream for conductivity
Implementation Method 3
an irrigation line configured to be received within the outer tubular member
Implementation Method 4
a suction path for debris extraction
Data Source
AI summary
Disclosed herein is a medical device. The medical device includes an outer tubular member, an irrigation line, and a bipolar electroblade. The irrigation line is configured to be received within the outer tubular member. The bipolar electroblade is configured to be capable of rotating or oscillating within the outer tubular member.