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An effective device to keep the sternum open.

T Kaneda¹, M Aoshima, N Ishigami

¹Department of Cardiovascular Surgery, Shizuoka General Hospital, Japan.

|February 25, 1999

Summary

This study introduces disposable syringe stents for delayed sternal closure after cardiothoracic surgery. These cost-effective stents effectively maintain sternal opening, aiding treatment and preventing complications.

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Area of Science:

Cardiothoracic Surgery
Biomedical Engineering
Medical Devices

Background:

Delayed sternal closure is crucial in cardiothoracic surgery for managing complications like heart failure, arrhythmias, and bleeding.
Existing methods for maintaining sternal patency may have limitations in terms of cost, ease of use, or efficacy.

Purpose of the Study:

To evaluate the feasibility and effectiveness of using disposable syringe-derived stents for maintaining delayed sternal closure.
To assess the mechanical properties and stability of these novel stents in a clinical context.

Main Methods:

Development of stents from readily available disposable syringes.
Assessment of stent strength, resistance to physical therapy impacts, and stability during patient movement.
Evaluation of the stent's ability to prevent complications such as decubitus ulcers.

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Main Results:

The disposable syringe stents exhibited sufficient strength and stability for maintaining sternal separation.
Stents showed resistance to mechanical stress from pulmonary physical therapy and patient mobility.
The proposed method proved effective in preventing decubitus ulcer formation.

Conclusions:

Disposable syringe stents offer an inexpensive, straightforward, and effective solution for delayed sternal closure in cardiothoracic procedures.
This innovative approach facilitates patient recovery and management of post-operative complications.