SU1292743A1 - Apparatus for placing sutures - Google Patents

Abstract

The invention is intended for the application of a ligature suture in 97 Å surgery. It allows to apply a continuous ligature suture. The device contains sconces & and 1 and 2, hinge 3, sponges 4 and 5, needle bar 6, needle 7, stop 8, tgu 10 with lever 11 tension thread 12, coil 13 and 15, hook 16, gear wheel 17, spring prnvod 18 with the mechanism zavodki. The sponge 4 is made in the form of a spring-loaded washer, put on the needle 7, and the sponge 5 is mounted on the axis of the wheel 17c with a limited angle of rotation and has an opening SL

Description

 under the needle 7. On the axis of the shuttle coil 15, a trigger mechanism is installed in the form of a ratchet wheel with a latch connected to the locking element (BE). The edges of the stitched fabrics are grabbed with sponges 4 and 5, the Needle 7 pierces the fabrics, the wire is thread 12 to the center of rotation of the shuttle. The sponge 4 moves up to the stop, then the sponge 5 starts to move also up to the stop,

one

The invention relates to medical equipment, namely to surgical devices for applying a ligature suture.

The aim of the invention is to apply a continuous ligature weld.

FIG., A suturing device, general view; in fig. 2 is a kinematic diagram of a suturing device; Fig, 3 is a view of the shuttle coil from the side of the ratchet wheel; FIG. 4 is a section A-A in FIG. 1,

The device contains intersecting branches 1 and 2, connected by a hinge 3, having sponges 4 and 5 for compressing and holding tissue. At the working end of the branch 1, the needle bar 6 is rigidly mounted, in which the needle 7 is bent under the radius with the center in the hinge 3, the Sponge 4 is made in the form of a washer, worn on the needle 7 with the possibility of a limited stroke against the stop 8, spring-loaded using a spring 9 on needle bar 6 and connected with tension 10 with a pulley tension thread 12 wound on a feed reel 13, reel 13 is mounted rotatably on an axis 14, thread reamer in the form of a rotating reel 15 with a shuttle is mounted on branch 2 16 kinematically connected through the gap A spring gear 18 with a spring drive 18, having an Archimedean plate spring 19 and its winding mechanism, consisting of a handle 20, an axis 21, a ratchet wheel 22 and a spring-loaded dog 23, Sponge 5 is rigidly mounted on the axis 24 between the reel I5 performs one turnover. During the rotation, the hook 16 covers the thread 12 with its own thread, forming a weakened loop. The branches are divorced, the latch engages with the ratchet wheel, and the EB and lever 11 move; tighten this loop. The jaws 4 and 5 are moved to the desired pitch and the cycle is repeated. 1 z.p, files 4 ill.

the exact wheel 17, having a possible limited rotation in the hinge 25 of the jaw 2, which is spring-loaded on it with the help of the spring 26, the sponge 5 has a through hole 27 for the passage of the needle 7,

The axis 24 of the intermediate gear wheel 17 is connected via a shoulder 28 with a latch 29 of the ratchet wheel 30, the shoulder includes a locking element 3 which engages with a lug 32 in the retracted position of the latch 29, the gears 7 and 18 are mounted on their axes 24 21 rotatably around the CAM and the wheel 33, the heavy wheel 30 is mounted rigidly on the axis 34 of the shuttle coil 15,

The device works as follows.

The thread 12 of the coil 13 is secured through the lugs of the tension adjuster 11 and the needle 7, leaving a free end about 5 cm long. The thread of the coil 15 is secured to the hook, leaving also the free end 5 cm long. The edges of the stitched fabrics are aligned and covered sponges 4 and 5 by pressing

On the branches 1 and 2, the needle 7 pierces the edges of the stitched fabrics, leads the thread 12 to the center of rotation of the shuttle 16, the spring 9 simultaneously compresses and the sponge 4 moves

along the needle 7 up to the stop 8, turning the lever P through t gu 10 clockwise, unwinding the thread 12 and loosening it from the side of the needle 7, the stiffness of the springs 9 and 26 are chosen so

that the flexibility of the sponge 4 is more flexibility of the sponge 5. Only after

when the sponge 4 reaches the stop 8, the sponge 5 moves to its stop, as a result of which the latch 29 is disengaged from the ratchet wheel 30, and the coil 15 together with the shuttle 16 makes only one turn, since in the retracted position of the latch 29 the locking element 31 moves on the path of rotation of the protrusion 32, stop the movement of the wheel 33. When rotating, the hook 16 covers the thread 12 through the eye of the needle 7 and leads through its own thread to form a loosened loop. Further, the branches 1 and 2 open, the needle 7 with the thread 12 is withdrawn from the hole 27 and the jaws 4 and 5 under the action of the springs 9 and 26 return to their original position. In this case, the protrusion 32 is released to while the latch 29 engages with the ratchet wheel 30, moves in front of the locking element 31. Returning the sponge 4 to the initial position causes the lever 11 to rotate counterclockwise and the weakened loop is tightened, and shuttle 16. Then, moving the jaws 4 and 5 along the edges of the stitched fabrics to the necessary step, the cycle is repeated, which results in the imposition of a continuous stitching.

The shuttle roller 15 is driven to rotate by means of a spring motor 18 through the intermediate idle wheel 17. Engine 18 is powered by rotating the handle 20 clockwise. At the same time, the spring 19 collapses around the stock axis 21. The potential energy used to rotate the shuttle coil 15. The ratchet wheel 22 with the spring-loaded dog 23 allows the axis 21 to rotate only in a clockwise direction (for winding). When deployed, the force of the spring 19 is transmitted to the gear wheel 18, and then through the intermediate wheel 17 to the shuttle wheel 15..

The proposed device allows the imposition of a continuous line, which increases the productivity of the surgeon by 30-40%.

Claims (2)

1. Device for suturing, containing two pivotally connected intersecting jaws for holding the fabric, a curved needle for holding the thread, and thread-catching the body, characterized in that, in order to impose a continuous ligature stitch, it is equipped with an needle driver, in which a needle is fixed, mounted on one of the branches, the sponge of which is made in the form of a washer, mounted on the needle with the possibility of limited movement and spring-loaded relative to the needle driver with a thread tensioner with a bobbin, is hinged mounted on a brush, one end of which is connected to the washer, and the other has a hole for the thread, the thread catcher is mounted on the other branch and is made in the form of a rotating shuttle coil, kinematically connected through a two-stage gear drive with spring drive, the device is also equipped with a thread-release trigger mechanism, the second sponge is made with an opening for passage needles, spring-loaded on the axis of the intermediate gear wheel, its limited rotation and connected with the trigger of the thread-trap. 2. The device according to Claim I., of which the trigger mechanism is made in the form of a ratchet wheel and, in a purse, associated with the axis of the intermediate gear wheel by means of a shoulder with a locking element included in the pinning with a protrusion mounted on the gear the shuttle wheel in the designated position of the ratchet wheel latch. 15 15 Vu.z.2 tPi / f.S gz fg / Compiled by A. Mikhalsov Editor K. Voloshchuk Tekhred L. Opeynik Order 306/4 Circulation 596 Subscription VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, Projecto st., 4 Proofreader A.Ilyin