Bipolar Vasectomy Device Using RF Energy for Tissue Coagulation
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Solution Overview
Problem
Conventional vasectomy methods are complex, require significant surgical skill, and lead to complications such as hematomas, swelling, and prolonged recovery times, with a risk of sperm regrowth and exposure to infectious diseases due to the use of sharp instruments.
Innovation Solution
A bipolar vasectomy device and method using excising clamps or hooks to occlude and divide the vas deferens in situ, minimizing dissection and bleeding, with RF energy for coagulation and excision, allowing for a simpler, quicker procedure with fewer steps and reduced exposure to bodily fluids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional vasectomy methods (NSV) are used with sharp instruments and dissection, then the vas deferens can be occluded and divided, but the risk of hematomas, swelling, and exposure to infectious diseases increases
Solution Approach 1:
The patent replaces sharp mechanical cutting instruments with a bipolar electrocautery device that uses electrical energy to coagulate and divide tissue. This substitution eliminates the need for sharp dissection instruments, preventing bleeding and hematoma formation while maintaining effective vas occlusion through electrocautery-induced tissue sealing and division
Solution Approach 2:
The invention changes the physical state and properties of tissue through controlled thermal energy application. The bipolar electrocautery device delivers controlled heat to transform the tissue from a bleeding state to a coagulated, sealed state, then to a divided state through controlled carbonization and separation, fundamentally altering the tissue parameters to achieve occlusion without mechanical cutting
2Reliability
If conventional vasectomy methods with multiple steps are used, then the vas deferens can be occluded, but the surgical complexity and procedure time increase
Solution Approach 1:
The patent combines multiple separate surgical steps into a single integrated action. The bipolar electrocautery device simultaneously performs coagulation, sealing, and division of the vas deferens in one continuous motion, eliminating the need for separate dissection, clamping, cutting, and hemostasis steps required in conventional methods
Solution Approach 2:
The bipolar electrocautery device serves multiple functions: it coagulates blood vessels to prevent bleeding, seals the vas deferens lumen to prevent sperm passage, and divides the tissue to create the occlusion. This multi-functional device replaces multiple specialized surgical instruments and steps with a single versatile tool
3Reliability
If conventional vasectomy methods with sharp instruments are used, then the vas deferens can be divided, but the risk of sperm regrowth and exposure to bodily fluids increases
Solution Approach 1:
The patent replaces mechanical cutting with electrocautery division. The bipolar device creates a controlled thermal field that carbonizes and seals the vas deferens tissue, creating a more reliable barrier against sperm regrowth compared to mechanical cutting edges that may leave irregular surfaces or require additional sealing steps
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 method significantly reduces the risk of hematomas and swelling, minimizes sperm regrowth, and allows less skilled clinicians to perform the procedure safely and efficiently, reducing recovery time and exposure to infectious diseases.
Implementation Method 1
RF energy is supplied so as to coagulate tissue between the jaws
Implementation Method 2
RF energy is supplied so as to coagulate tissue between the jaws... allowing for a simpler, quicker procedure with fewer steps
Data Source
AI summary
Conventional vasectomy techniques suffer from a number of disadvantages and potential complications, including, for example, a substantial risk for the development of hematomas, swelling, and post-surgical pain, a potential for spontaneous regeneration and undesired resumption of fertility, a need for a highly skilled surgical professional, as well as a long recovery period, accompanied by severe limitations on post-surgical activity. The present invention overcomes the disadvantages and deficiencies of the prior art by providing vasectomy instruments, kits, and methods that allow for a rapid, reliable, less invasive male sterilization procedure that may be readily, reliably and successfully performed by minimally skilled personnel around the world in a variety of medical settings.