Surgical Device with Pivotable Jaw Members for Tissue Clamping and Shearing

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Solution Overview

Problem

Conventional surgical procedures require two separate instruments for clamping and cutting tissue, which is cumbersome in limited operating spaces and increases recovery time due to the need for multiple incisions.

Innovation Solution

A single surgical device with pivotable jaw members that can clamp and cut tissue depending on the direction of movement, utilizing a system of pulleys and cables to allow independent movement within multiple planes, enabling both functions with a single instrument.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If two separate surgical instruments (clamping device and shearing device) are used to accomplish clamping and cutting functions, then both functions can be performed, but the device complexity increases and the ease of operation deteriorates due to the need to switch between multiple devices in limited operating space

Engineering Contradiction:
Improvefunctional versatilityVSAvoidinstrument quantity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines clamping and shearing functions into a single surgical instrument. The device includes a pair of jaw members where one jaw member can perform both clamping (when pivoted toward the other jaw) and shearing (when moved in a different direction) operations. This merging eliminates the need for two separate instruments, reducing device complexity while maintaining functional versatility

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The surgical instrument is designed with universal functionality to perform multiple surgical tasks. The jaw members are configured such that they can clamp tissue by pivoting toward each other and cut tissue by moving in a different direction, allowing a single device to replace multiple specialized instruments

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

2Adaptability or versatility

If two separate surgical instruments are used for clamping and cutting, then both functions are achieved, but the ease of operation worsens due to limited operating space and small incision size making device switching cumbersome

Engineering Contradiction:
Improvefunctional capabilityVSAvoidoperational convenience
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

By merging clamping and shearing functions into one instrument with jaw members that can perform both operations, the patent eliminates the need to switch between devices during surgery. This significantly improves ease of operation in the constrained environment of a small incision site

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If two separate instruments are used for clamping and cutting, then both functions are performed, but the loss of time increases due to the need to switch between devices

Engineering Contradiction:
Improvefunctional coverageVSAvoidprocedure time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent merges multiple functions into a single instrument, eliminating the time required to switch between separate clamping and shearing devices. The jaw members can perform both operations sequentially or in combination without requiring instrument changes, reducing overall procedure time

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP3079610B1Surgical device for grasping and shearing
Publication Date: 2022.03.30 COVIDIEN LP
  • EP3079610B1 patent drawingFigure 1A
  • EP3079610B1 patent drawingFigure 1B
  • EP3079610B1 patent drawingFigure 2

AI summary

The present disclosure relates to a surgical device including a body portion and an end effector. The body portion defines a longitudinal axis. The end effector is disposed adjacent a distal end of the body portion and includes first and second jaw members. At least one jaw member is pivotable with respect to the other jaw member between open and approximated positions along a first plane. Each jaw member is independently movable with respect to the other jaw member between a first position where the jaw members are aligned with the longitudinal axis and a second position where at least one jaw member is disposed at an angle with respect to the longitudinal axis and with respect to the first plane.