Surgical needle

Details Surgical needle Surgical needle

1989-12-13

1990-12-11

Cannon, Alan

Surgery

Instruments

Suturing needle

A61B 1700

Patent

active

049767275

ABSTRACT:
In a surgical needle, marks of welding are left as they are on a welded portion between needle and pipe members so that the welded portion has a surface distinguishable from peripheral surfaces of the respective needle and pipe members. The welded portion may be composed of a plurality of peripherally spaced welded parts. In a manufacturing method of the surgical needle, a beam energy is applied from a beam energy emitting arrangement, toward an abutting line between the needle and pipe members, from a direction substantially perpendicular to the needle and pipe members, thereby welding them to each other. In a manufacturing apparatus, a rotational support arrangement is provided for supporting the needle and pipe members in such a manner that end faces of the respective needle and pipe members are abutted against each other at a location coincident with an optical axis of the laser beam, and for rotating the needle and pipe members about their respective axes.

REFERENCES:
patent: 3835912 (1974-09-01), Kristensen
patent: 4429211 (1984-01-01), Carsten et al.
Matsutani Seisakusho, Patent Abstracts of Japan, Jan. 31, 1986, vol. 10, No. 25 (M-450)(2082) & JP-A-60 184 485.

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