Gastrectomy Device with Electromagnetic Sealing

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Solution Overview

Problem

Surgical procedures like sleeve gastrectomy face challenges with post-surgical leaks and fistulae at the cut and stapled sites, complicating recovery and increasing treatment costs.

Innovation Solution

A surgical device with an elongate tube and movable jaw members that converge and cut tissue walls, featuring a slot, engaging surfaces, and adjustable configurations to facilitate precise tissue manipulation and sealing, potentially reducing leak risks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional stapling and cutting methods are used in sleeve gastrectomy, then the stomach can be divided and sealed, but post-surgical leaks and fistulae occur at the cut and stapled sites

Engineering Contradiction:
Improveseal integrityVSAvoidpost-surgical leaks and fistulae
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces conventional mechanical stapling with an electromagnetic sealing system. Electromagnetic fields are applied to the tissue at the cut site to create sealed structures that prevent leaks, eliminating the need for metal staples that can cause fistulae and improving overall seal integrity at the gastric sleeve anastomosis sites

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the physical state and properties of the sealing mechanism by using electromagnetic field parameters rather than mechanical compression. The electromagnetic fields modify tissue properties temporarily to create sealed structures, allowing for more reliable sealing without the harmful effects of conventional mechanical stapling

Inventive Principle:
Principle #35Parameter changes

2Reliability

If the surgical device structure is made complex to improve cutting and sealing precision, then leak risk reduces, but device complexity increases

Engineering Contradiction:
Improvecut and seal precisionVSAvoiddevice structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent integrates multiple functions into a single surgical device platform. The same device structure performs cutting, electromagnetic sealing, and tissue manipulation functions, reducing the need for separate staplers and sealing devices. This multi-functionality maintains high precision for leak prevention while avoiding the complexity of coordinating multiple separate devices

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the cutting mechanism and electromagnetic sealing system into a unified device architecture. The cutting elements and electromagnetic sealing components are integrated within the same surgical instrument, allowing coordinated operation that improves precision while simplifying the overall device structure compared to separate stapling and sealing devices

Inventive Principle:
Principle #5Merging (Combining)

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 device effectively minimizes the risk of leaks and fistulae by precisely cutting and sealing tissue, improving surgical outcomes and reducing recovery complications and treatment costs.

Implementation Method 1

At least one of the first elongate jaw member and the second elongate jaw member may include an electrode

Methodology Applied
Scientific EffectElectrothermal effect: Joule Heating

Data Source

PatentUS20240407937A1Devices and related methods for gastrectomies
Publication Date: 2024.12.12 BOSTON SCIENTIFIC SCIMED INC
  • US20240407937A1 patent drawing
  • US20240407937A1 patent drawing
  • US20240407937A1 patent drawing

AI summary

According to one aspect, an apparatus for treating tissue may include an elongate tube. The elongate tube may include a slot extending longitudinally along a first side of the elongate tube, a first elongate jaw member on a first side of the slot, and a second elongate jaw member on a second side of the slot. The apparatus may also include a shaft coupled to the elongate tube along a second side of the elongate tube. The first elongate jaw member may be movably coupled to the shaft, such that the first elongate jaw member may be movable toward the second elongate jaw member to converge tissue walls within the slot and cut the tissue walls within the slot.