Cannula clamping holder

The clamping holder addresses the issues of tooth loosening and inadequate lip hydration in conventional cannula holders by using rotatable support plates and a moisture supply system, enhancing patient comfort and usability.

JP2026515560AActive Publication Date: 2026-05-19NANJING DRUM TOWER HOSPITAL +1
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Patent Information

Application Number
JP2025520117
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-04-26
Filing Date
2024-08-26
Publication Date
2026-05-19
Estimated Expiration
2044-08-26

AI Technical Summary

Technical Problem

Conventional cannula holders lack an ideal support structure for the patient's mouth, leading to discomfort due to the patient's front teeth biting the holder's outer wall, which can cause loosening and deformation over time, and they do not provide a convenient method for moistening the patient's lips.

Method used

A clamping holder with rotatable support plates and elastic tooth pads that position between the patient's upper and lower chewing teeth, and a moisture supply system using a rubber bag and water-absorbing sponge for lip hydration, enhancing comfort and usability.

Benefits of technology

The holder prevents front teeth loosening by supporting the mouth with elastic tooth pads and provides efficient lip hydration, improving patient comfort and reducing manual intervention.

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Abstract

The present invention belongs to the technical field of medical devices and discloses a cannula clamping holder, which includes a clamping sleeve having mounting notches on both sides of one end, the two mounting notches being symmetrically distributed with respect to the center of the clamping sleeve, a support plate being rotatably connected to each of the two mounting notches, and elastic tooth pads being rotatably connected to the upper and lower ends of the support plate. Releasing the elastic force of a torsion spring drives the support plate to rotate back to its original position, moving the two support plates outward and moving the elastic tooth pads so that the elastic tooth pads on both sides are positioned precisely between the patient's upper and lower sets of masticatory teeth. When the patient's mandibular muscles contract naturally, the upper and lower masticatory teeth come into contact with the elastic tooth pads at the top and bottom of the support plate, and the elastic tooth pads serve to support the patient's mouth. Compared to conventional clamping holders, this design solves the problem of the patient's front teeth biting on the outer wall of the clamping holder for extended periods, thus avoiding the issue of loosening and deformation of the patient's front teeth due to prolonged force.
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