Automatic needle-passer suturing instrument

Surgery – Instruments – Suture – ligature – elastic band or clip applier

Patent

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Details

606144, 606147, 606148, A61B 1704

Patent

active

058140549

ABSTRACT:
An automatic suturing instrument generally includes a proximal actuation handle assembly, a flexible tubular member, a control wire, and an end effector assembly. The control wire extends through the tubular member and the end effector-assembly is coupled to the distal end of each of the tubular member and the control wire, while the handle is coupled to the proximal end of each of the tubular member and the control wire. Actuation of the handle moves the control wire relative to the tubular member and thereby moves the end effector assembly from an open to a closed position. The end effector assembly generally includes two end effectors, a needle engaged by one of the end effectors (but which can be engaged by either end effector alternately), and a suture material. The end effector assembly further includes a needle passing mechanism that automatically alternates which end effector engages the needle each time the end effectors are moved into a closed position.

REFERENCES:
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patent: 5630825 (1997-05-01), De La Torre et al.
patent: 5632751 (1997-05-01), Piraka
patent: 5645552 (1997-07-01), Sherts
First clinical Evaluation and Experimental Study of a New Mechanical Suture Device for Endoscopic Hemostasis, J. Escourrou, M.D., et al., Gastrointestinal endoscopy, vol. 36, No. 5, 1990, pp.494-497.
An Endoscopic Sewing Machine, C. Paul Swain et al., Gastrointestinal Endoscopy, vol. 32, No.1, 1986, pp. 36-38.
An Endoscopically Deliverable Tissue-Transfixing Device for Securing Biosensors in the gastrointestinal Tract, C. Paul Swain et al., Gastrointestinal Endoscopy, vol. 40, No. 6, 1994, pp. 730-734.
AutoSuture.TM. Endostitch.TM. Instruction Manual, Unites States Surgical Corp, 1994.

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