Surgical Scope Cleaning via Absorbent Swab Delivery

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Solution Overview

Problem

Minimally invasive surgical procedures face challenges with lens smudging and fogging in surgical scopes, which obstruct the surgeon's view, and existing cleaning devices require removal of the scope from the operating cavity for cleaning.

Innovation Solution

A scope cleaner with a detachable or integral absorbent apparatus is attached to the surgical instrument, providing a cleaning solution within the operating cavity, allowing the scope to be cleaned without removal, using a base portion with a fluid retention portion that can absorb fluids and debris.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the scope is removed from the operating cavity for cleaning, then the lens can be cleaned effectively, but the surgical procedure is disrupted and time is lost

Engineering Contradiction:
Improvecleaning effectivenessVSAvoidprocedure interruption
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

A cleaning swab is introduced as an intermediary tool that can be accessed through the portal apparatus without removing the scope. The swab is delivered via a delivery catheter that passes through the portal, allowing the scope to remain in place while the lens is cleaned by the swab

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The cleaning swab is nested within a delivery catheter that is inserted through the existing portal apparatus. The catheter contains the swab in a compressed state during insertion, then allows the swab to expand and contact the scope lens for cleaning without requiring scope removal

Inventive Principle:
Principle #7Nested doll (Nesting)

2Ease of operation

If a cleaning device is introduced into the operating cavity, then the scope can be cleaned without removal, but the device complexity increases

Engineering Contradiction:
Improvescope cleaning accessibilityVSAvoidcleaning apparatus structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The portal apparatus is designed to serve multiple functions: it maintains the sealed operating cavity, allows insertion of surgical instruments, and accommodates the cleaning swab delivery system. The same portal structure is used for both surgical intervention and lens cleaning operations

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

Solution Approach 2:

The delivery catheter is constructed with flexible materials that allow it to navigate through the portal apparatus and position the cleaning swab against the scope lens. The flexibility enables the catheter to conform to the curved path required for proper swab placement without adding rigid structural complexity

Inventive Principle:
Principle #30Flexible shells and thin films

3Productivity

If the scope remains in the operating cavity during cleaning, then procedural continuity is maintained, but cleaning accessibility is reduced

Engineering Contradiction:
Improvesurgical efficiencyVSAvoidlens cleaning accessibility
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The cleaning function is extracted from the main scope body and implemented as a separate, independently deliverable swab through the portal. This allows the scope to remain in its operational position while the cleaning action is performed by a separate element that is introduced through the existing portal infrastructure

Inventive Principle:
Principle #2Taking out (Extraction)

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 effective cleaning of surgical scopes and instruments during procedures, maintaining clear visibility without disrupting the minimally invasive setup, and can be used with various surgical tools beyond scopes.

Implementation Method 1

a cleaning arrangement, e.g., a cleaning solution, within the operating cavity so that the scope need not be removed therefrom

Methodology Applied
Scientific EffectAbsorption: Absorption (physical)

Implementation Method 2

an absorbent apparatus which may be fastened to, or which is integrally formed with, an external surface of a scope cleaner upon which a scope may be contacted and cleaned, e.g., by the absorbent material absorbing any fluids, fog, etc.

Methodology Applied
Scientific EffectAbsorption: Absorption (physical)

Data Source

PatentEP2335621B1Surgical instrument cleaning arrangement
Publication Date: 2016.03.16 COVIDIEN LP
  • EP2335621B1 patent drawingFigure 1~4

AI summary

The instrument cleaning apparatus of the present disclosure facilitates the cleaning of a scope (60) inserted through a sealed portal (30) during a surgical procedure by providing a cleaning solution within the operating cavity so that the surgical instrument doesn't have to be removed therefrom. In an embodiment, a surgical access device (10) is provided with a housing (38), a sleeve (32) extending distally from the housing, and a conduit (20) disposed in mechanical cooperation with the sleeve. The sleeve defines a longitudinal axis ("t") and is dimensioned for passage through a tissue tract. The sleeve also defines a longitudinal bore or passage for reception and passage of a surgical instrument. The conduit has a first portion configured to receive a fluid and a second portion configured to discharge the fluid. In another embodiment, an instrument cleaning apparatus includes a base portion and a fluid retention portion. The base portion includes a substantially tubular wall having a proximal end and a distal end and a longitudinal passageway extending therethrough. The fluid retention portion is in mechanical cooperation with the base portion and is adapted to retain a cleaning fluid therein.