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A through-the-scope device for suturing and tissue approximation under EUS control.

Annette Fritscher-Ravens¹, C Alexander Mosse, Timothy N Mills

¹Academic Department of Gastroenterology, The Royal London Hospital, Whitechapel, England.

Gastrointestinal Endoscopy

|October 25, 2002

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A novel endoscopic suturing device allows precise placement of stitches in the gastrointestinal tract under endoscopic ultrasound (EUS) control. This innovation enables fixation of adjacent organs for procedures like stent delivery and anastomosis creation.

Area of Science:

Gastroenterology
Endoscopic Surgery
Medical Devices

Background:

Endoscopic ultrasound (EUS) guided suturing offers potential for transluminal endosurgery.
Current limitations in endoscopic suturing require development of new methods.

Purpose of the Study:

To develop endoscopic methods for suturing to variable depths within the GI tract wall.
To enable fixation of adjacent hollow organs under EUS control.

Main Methods:

A novel suturing device was engineered for EUS-guided suturing to precise depths.
The device facilitates multiple suture placements and internal organ fixation within 5 cm of the endoscope tip.
All suturing, knot-tying, and thread-cutting functions are performed via a 2.8-mm accessory channel.

Related Experiment Videos

Main Results:

Over 100 sutures were successfully placed in predetermined porcine gut wall layers.
Gallbladder and small intestine fixation to the stomach was achieved in 7 and 8 cases, respectively.
This enabled traction for stent and device insertion through lumens.

Conclusions:

A new method for flexible EUS-controlled suturing has been developed.
Precise suture placement in the GI tract was achieved.
This technology facilitates organ fixation for stent delivery and anastomosis creation.