Electronic Laryngoscope Camera Module Sputum Suction Integration

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Solution Overview

Problem

Conventional electronic laryngoscopes face challenges in effectively clearing sputum and dirt from around the camera due to the sputum suction opening being located far from the camera, leading to incomplete suction and discomfort for patients.

Innovation Solution

An electronic laryngoscope design featuring a sputum suction opening and passage formed around the camera, with a connecting apparatus that securely attaches the camera module and hollow tube, allowing for efficient sputum removal and integration with a sputum aspirator interface for improved suction efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the sputum suction catheter is buried in the wall of the tracheal hose with the sputum suction opening disposed on the inner wall of the front end part of the tracheal hose, then the sputum can be suctioned out through the sputum suction catheter, but the location of the sputum suction opening cannot be determined relative to the camera location, resulting in ineffective removal of sputum around the camera

Engineering Contradiction:
Improvesputum suction operationVSAvoidpositioning precision of sputum suction opening relative to camera
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent merges the sputum suction opening with the camera module by integrating the sputum suction catheter into the camera module structure. The sputum suction opening is disposed on the front end surface of the camera module, ensuring that the suction opening is located at the same position as the camera. This integration resolves the positioning precision problem by making the relative position fixed and determined by design rather than by variable tracheal hose specifications.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent embeds the sputum suction catheter within the camera module structure. The sputum suction catheter is nested in the camera module, with its front end forming the sputum suction opening on the front end surface of the camera module. This nesting approach ensures that the suction opening is precisely positioned at the camera location while maintaining the functionality of both the camera and sputum suction systems.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Productivity

If a relatively large sputum suction force is applied to remove sputum effectively, then the sputum can be cleared more efficiently, but patients feel uncomfortable or their laryngeal cavity wall is injured

Engineering Contradiction:
Improvesputum clearance efficiencyVSAvoidpatient discomfort and injury
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent applies local quality by creating a focused sputum suction opening at the camera location rather than distributing suction along a separate catheter. The sputum suction catheter is integrated into the camera module with the opening positioned precisely where the camera is located, allowing for targeted suction of sputum around the camera area. This localized approach enables effective clearance with controlled suction force, avoiding the need for high overall suction pressure that would cause patient discomfort or injury.

Inventive Principle:
Principle #3Local quality

3Adaptability or versatility

If the sputum suction opening is positioned far from the camera to accommodate various tracheal hose specifications, then different tracheal hose sizes can be used, but the sputum or dirt around the camera cannot be removed or cleaned effectively

Engineering Contradiction:
Improvecompatibility with different tracheal hose specificationsVSAvoideffectiveness of sputum removal around camera
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent merges the sputum suction function with the camera module by integrating the sputum suction catheter into the camera module structure. This integration makes the sputum suction opening position independent of tracheal hose specifications, as the opening is now determined by the camera module design rather than the tracheal hose inner wall. The camera module with integrated sputum suction can be universally adapted to different tracheal hose sizes while maintaining reliable sputum removal effectiveness at the camera location.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS10405738B2Electronic laryngoscope
Publication Date: 2019.09.10 SHANGHAI ANQING MEDICAL INSTR
  • US10405738B2 patent drawing
  • US10405738B2 patent drawing
  • US10405738B2 patent drawing

AI summary

In some embodiments, an electronic laryngoscope includes a camera, a hollow connecting rod, a handle, and a control display. The front end of the connecting rod is connected to the camera, the rear end of the connecting rod is connected to the handle, and the rear end of the handle is connected to the control display. The laryngoscope further includes a hollow tube whose inner diameter is greater than the outer diameter of the connecting rod. The camera and the connecting rod are located on the inner side of the hollow tube. A sputum suction opening is formed between the front end of the hollow tube and the front end of the camera, and a sputum passage in communication with the opening is formed between the hollow tube and the connecting rod. The laryngoscope further includes a connector between the hollow tube and the camera and/or the connecting rod.