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[A new cardiovascular surgical instrument: aorta sizer]
1Department of Thoracic Surgery, University of Kitazato, Sagamihara, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|December 10, 1999
Summary
A novel aorta sizing device simplifies aneurysm repair. This tool accurately measures aortic diameter and determines the correct graft length, improving surgical precision.
Area of Science:
- Vascular Surgery
- Medical Device Design
- Aortic Aneurysm Treatment
Context:
- Aortic aneurysm repair requires precise measurement of the aorta for proper graft selection.
- Current methods may lack efficiency or accuracy in determining both aortic diameter and graft length.
- Standardized tools are needed to facilitate surgical planning and execution.
Purpose:
- To introduce a new, graded aorta sizing device for use in aneurysm operations.
- To provide a method for accurately determining the appropriate vascular graft diameter and reinforcing felt strip length.
Summary:
- The device features a set of discs (24-36 mm diameter, graded by 2 mm) mounted on holders.
- Each holder's length equals its disc's circumference (diameter x 3.14).
- The disc sizes the transected aorta, and the holder length determines the felt strip length.
Impact:
- Enhances precision in selecting vascular grafts during aortic aneurysm surgery.
- Streamlines the measurement process for graft diameter and reinforcing material length.
- Potentially improves patient outcomes by ensuring accurate graft fit and reinforcement.