SURGICAL INSTRUMENT FOR STITCHING UP TISSUES WITH LENGTHS OF SUTURE WIRE

• US 3,858,783 A
• Filed: 11/20/1972
• Issued: 01/07/1975
• Est. Priority Date: 11/20/1972
• Status: Expired due to Term

• Current Assignee: Natalia Petrovna Petrova, Nikolai Nikolaevich Kapitanov, Nina Vasilievna Jurasova, Vladimir Petrovich Kharchenko
• Original Assignee: Natalia Petrovna Petrova, Nikolai Nikolaevich Kapitanov, Nina Vasilievna Jurasova, Vladimir Petrovich Kharchenko
• Inventors: Kapitanov, Nikolai Nikolaevich, Petrova, Natalia Petrovna, Jurasova, Nina Vasilievna, Kharchenko, Vladimir Petrovich
• Primary Examiner(s): Custer, Jr., Granville Y.
• Application Number:
  US05/308,049
• Time in Patent Office: 778 Days
• Field of Search: 227/19,73,79,80,108,114,117,67,137
• US Class Current: 227/108
• CPC Class Codes: A61B 17/068 Surgical staplers , e.g. containing multiple staples or clampsstaplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105; for performing anastomosis A61B17/115; staplers in general B25C5/00

Abstract

A surgical instrument for stitching up tissues with lengths of suture wire, comprising a body made as a stem provided with a handle at one end and with a die at the other end for the lengths of suture wire to be bent. The die is shaped as a curved needle having a guide groove on its concave surface for a length of suture wire. The instrument incorporates also a magazine for the lengths of suture wire and a pushrod for driving the wire along the die guide groove. The pushrod has at its operative end a curved guide groove serving for final bending of the length of wire upon its coming off the die guide groove.

Claims

1. A surgical instrument for stitching up tissues with lengths of suture wire, comprising:

a body in the form of a stem;

a handle provided at one end of said body and a die at the other end, said die having the form of a curved needle with a guide groove provided in an inner concave portion thereof and serving to push the lengths of wire therealong;

a rotatable magazine for the lengths of wire, freely mounted on said body;

a pushrod reciprocably mounted with respect to said body; and

a projection of said pushrod having a flat portion for engaging a length of the wire, and a curved groove therein for the final bending of the length of wire after it has left said guide groove;

said pushrod pushing out the length of the wire from said magazine during its movement toward said die, pushing it along said guide groove, and bending it to form a ring.

2. The surgical instrument as defined in claim 1, wherein said magazine includes a rotatable bush with spaced-apart longitudinal slots on its outer surface;

a rotatable cylindrical casing enveloping said bush and forming recesses together with said slots for the lengths of suture wire; and

means for periodically turning said bush by a distance corresponding to the spacing between said slots, and for periodically turning said casing to its initial position.

3. The surgical instrument as defined in claim 2, wherein said turning means includes a spring and pins for limiting the rotation of said casing with respect to said body;

further comprising a ratchet pawl made fast on said casing, interacting with said slots and effecting the combined turning of said bush and said casing in one direction; and

wherein said casing has in its lateral wall an open-ended slot narrowing toward said die;

one of the edges of said open-ended slot being inclined for interaction with said projection to turn said casing to a position where said pawl engages one of said slots of the bush.