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Published on: July 21, 2013
A reproducible pull-through technique using a ligature passer for dural tenting
Yuhei Michiwaki1, Ryo Kajiwara1, Chihiro Yagi1
1Department of Neurosurgery, Gyotoku General Hospital, Ichikawa, Chiba, Japan.
Surgical Neurology International
|August 6, 2026
Summary
A new pull-through technique using a ligature passer simplifies dural tenting by enabling controlled suture passage through bone flap drill holes, reducing manipulation and improving reproducibility for surgeons.
Area of Science:
- Neurosurgery
- Surgical Techniques
Background:
- Dural tenting is utilized to mitigate postoperative epidural hematoma risk, despite ongoing debate regarding its routine application.
- Conventional suture passage through bone flap drill holes can be technically challenging, demanding precise alignment and multiple attempts.
Purpose of the Study:
- To introduce and evaluate a novel pull-through technique for dural tenting using a ligature passer.
- To enhance the control and reproducibility of suture passage during dural tenting procedures.
Main Methods:
- A single-use wire ligature passer (LAPA-HER-CLOSURE) was employed to retrieve dural sutures through pre-drilled holes in the bone flap.
- The device facilitated controlled capture and withdrawal of sutures, replacing traditional blind threading methods.
Main Results:
- The technique eliminated blind suture passage, minimizing repeated attempts and unnecessary surgical manipulation.
- Stable and reproducible suture passage was achieved, simplifying bone flap handling.
- The intuitive design requires minimal specialized training, potentially reducing operative time for dural tenting.
Conclusions:
- This pull-through technique offers a simple, practical refinement for reliable dural suture passage.
- The method enhances surgical efficiency and simplifies bone flap management in procedures requiring dural tenting.
