Surgical suturing needle

US6129741A · kind A · utility

Assignee

• Forschungszentrum Karlsruhe GmbH · DE

Inventors

• Helmut Wurster · Oberderdingen, DE
• Rainer Trapp · Graben-Neudorf, DE

Key dates

• Filing date: Sep 24, 1997
• Grant date: Oct 10, 2000
• Expiry date: Sep 24, 2017

Classification

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

Abstract

In a surgical suturing needle having opposite pointed tips and a mid-section provided with an eye for receiving and retaining a surgical thread and being bent corresponding to a path of movement of the needle when transferred between the jaws of a suturing instrument, the pointed needle tips have a cone angle of between 25 and 35.degree. for non-traumatic piercing of the tissue to be sutured and, adjacent both of its opposite pointed tips, the needle has recessed surface areas to be engaged by pressure pins disposed in the jaws of the suturing instrument for firmly retaining and engaging the needle with the jaws in a predetermined position.