Surgical stitching apparatus

US5389103A · kind A · utility

Assignee

• Kernforschungszentrum Karlsruhe GmbH · DE

Inventors

• Andreas Melzer · Bad Hersfeld, DE
• Gerhard Buess · Tübingen, DE
• Rainer Trapp · Graben-Neudorf, DE
• Klaus-Peter Brhel · Philippsburg, DE

Key dates

• Filing date: Mar 16, 1994
• Grant date: Feb 14, 1995
• Expiry date: Mar 16, 2014

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2017/0609
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

In a surgical stitching apparatus for endoscopically performing sutures of tissue or vessels having a drive mechanism including concentric tubes with an operating handle structure at one end and a stitching head mounted at the distal end thereof, the stitching head includes a stationary and a movable mouthpiece each with clamping structures for engaging the tips of a needle each comprising movable and stationary halves with the movable half on the stationary mouthpiece being operatively connected to one of the concentric tubes and the movable mouthpiece being connected to another of the concentric tubes which is hand-operable by a movable handle on the operating handle structure, and the one concentric tube is operable by a pedal switch-controlled mechanism mounted on the operating handle structure for foot operation of the clamping structure on the stationary mouthpiece.