RU30553U1 - Device for pulling the thread of the sliding node - Google Patents

Abstract

Device for pulling the thread of a sliding node, characterized in that it consists of two solid metal tubes, one of which is made in the form of the letter “″, with a long arm length of 25 cm, a diameter of 0.4 cm, with protrusions at the proximal and distal ends rectangular in size 0.5 cm by 0.3 cm and through holes on them, 3 mm in diameter, the axes of which are parallel to the axis of the long shoulder, the short arm of the handle 10 cm long, 1.5 cm in diameter has 2 finger rings located at a distance 5 cm apart with an inner diameter of 25 mm , a movable handle 12 cm long with a diameter of 1.5 cm is pivotally attached to the short arm of the L-shaped handle, the short and long shoulders of which are 5 and 7 cm respectively and are bent with respect to each other at an angle of 145 °, in the end part of the short arm is movable the handle has a through hole with a diameter of 0.5 cm, coinciding in axis with the hole of the long shoulder of the L-shaped handle, and at the end of the end of the short shoulder of the movable handle there is a hole with a diameter of 4 mm, with a thread and a fixing screw, between the movable and fixed handles false lock.

Description

Device for pulling the thread of the sliding node.

The utility model relates to medicine, namely to surgery, and can be used to tighten the sliding node in the ligation process.

Ligation is widely used in surgery. The sliding node is used in situations in surgery where there is narrow intraoperative access, or in endoscopic surgery. The application of new approaches when performing a sliding unit allows you to speed up the operation, to improve its quality.

As an analog, the authors propose a stapler PCS - 25, which is intended for stitching the esophageal and intestinal anastomosis. Using this machine, you can impose a single-row screwed seam with a longitudinal arrangement of stitches. The device PKS - 25 consists of two handles, between which is a device for locking them. One of the handles is attached to a cylindrical body, which has an outer diameter of 25.6 mm. Another handle is attached to the inside of the tube, a cylindrical shape. A fixture is fixed at the end of this tube in the form of a semi-wave, around the circumference of which grooves are applied to introduce tantalum clips into them. When compressing the semi-wave and the distal end of the cylindrical body, the paper clips are taken. B - shaped, a mechanical seam is formed. (BME, ed. 3., T. 24, 1985, Art. 409).

The disadvantages of the analogue can be attributed to the fact that using this device it is impossible to tighten the sliding unit.

As a prototype, the authors offer a disposable plastic or metal pusher. It is a crawling tube with an outer diameter of 5 mm., An inner diameter equal to the thickness of the ligate

ry, 25 cm long. One of the ends of this tube has the form of a cone. To precisely position the ligature, the end of the pusher is brought to the right place, and then a loop is completely tied and the end of the thread is cut. (Endoscopic surgery. Volume 1,2 / 3, 1995, art. 58. Publisher Media-Sphere. Moscow.)

The disadvantages of the prototype include

- The procedure for holding the thread inside the pusher is quite laborious, especially when using thin multifilament braided threads, which lengthens and complicates the ligation process.

-Tightening the sliding assembly using the pusher is carried out manually, which complicates the standardization of the applied force and can lead to rupture of threads or insufficient tightening of the assembly.

- The absence of a device for determining the length of the loop thread increases the consumption of suture material, complicates the process of tying the sliding knot.

The authors propose a device for tightening the sliding node.

It consists of two solid metal handles that are interconnected by a swivel. On the short shoulder of the L-shaped fixed handle having a length of 10 cm, a diameter of 1.5 cm. At a distance of 5 cm from each other, two rings are fastened for the index and fifth fingers of the brush. Rings have the following dimensions: inner diameter 25 mm., Thickness 3 mm. The long shoulder in the form of a solid tube 25 cm long, 0.4 cm in diameter, is perpendicular to the short one, has 2 protrusions at the proximal and distal ends 0.5 cm high, 0.5 cm wide, 0.3 cm long with through holes with a diameter of 3 mm., the axis of which are parallel to the axis of the long arm of the fixed handle. They are held stretched thread sliding node. Another, movable handle has a length of 12 cm, a diameter of 1.5 cm and also has a long and short shoulders

7 and 5 cm long. respectively curved in relation to each other at an angle equal to 145 °. At the top of this corner is a swivel between the movable and fixed handles. At the end of the short arm of the movable handle there is a through hole with a diameter of 0.5 cm. The axis coincides; it is with the axes of the openings of the protrusions of the long arm of the fixed handle and perpendicular to the axis of the short arm. A hole with a diameter of 4 mm was made at the end of the end part of the short shoulder of the movable handle, with a thread opening in the previous hole. A screw is screwed into the end hole, the apex of which, when tightened, fixes the thread drawn through the through hole. Between the handles, there is a lock, which is designed to keep them inoperative. The ligature is sequentially conducted through the through holes of the protrusions of the long shoulder of the fixed handle and is fixed with a screw in the through hole of the short part of the movable handle. By pressing on the long shoulder of the movable part, the thread of the sliding unit is pulled, necessary for its tightening.

New in comparison with the prototype is:

-The device allows you to tighten the sliding node automatically, which greatly speeds up the ligation process.

- The design of the device avoids difficulties in strengthening the threads in it, which speeds up and facilitates the ligation process.

-The device has a lock that avoids unwanted operation of the device and increases the reliability of ligation.

The utility model and the principle of its operation are shown in Figure 1. It consists of two solid metal handles that are interconnected by a swivel. On the short shoulder of the L-shaped fixed handle (1) having a length of 10 cm, diameter 1.5 cm. At a distance of 5 cm from each other, two rings for the index (2) and fifth (3) fingers are fixed. Rings have the following dimensions: inner diameter 25 mm., Thickness 3 mm. The long shoulder (4) in the form of a single tube 25 cm long, 0.4 cm in diameter, is perpendicular to the short (5), has 2 protrusions at the proximal (6) and distal (7) ends, 0.5 cm high, 0.5 with a length of 0.3 cm. With through holes (8) with a diameter of 3 mm., The axis of which are parallel to the axis of the long arm of the fixed handle. A stretchable thread of the sliding unit (9) is held in them. Another movable handle has a length of 12 cm, a diameter of 1.5 cm, and also has long (10) and short shoulders (11) 5 and 7 cm long. Curved relative to each other at an angle (12) of 145 ° . At the apex of this corner is a swivel (13) between the movable and fixed handles. A through hole (14) with a diameter of 0.5 cm is laid in the end of the short arm of the movable handle with the axis coinciding with the axes of the openings of the protrusions of the long arm of the fixed arm and perpendicular to the axis of the short arm. A hole (15) with a diameter of 4 mm is laid at the end of the end part of the short shoulder of the movable handle, with a thread opening in the previous hole. A screw (16) is screwed into the end hole, the top of which, when tightened, fixes the thread passed through the through hole. Between the handles, there is a lock (17), which is designed to keep them inoperative.

Claims (1)

Device for pulling the thread of a sliding node, characterized in that it consists of two solid metal tubes, one of which is made in the form of the letter “″, with a long arm length of 25 cm, a diameter of 0.4 cm, with protrusions at the proximal and distal ends rectangular in size 0.5 cm by 0.3 cm and through holes on them, 3 mm in diameter, the axes of which are parallel to the axis of the long shoulder, the short arm of the handle 10 cm long, 1.5 cm in diameter has 2 finger rings located at a distance 5 cm apart with an inner diameter of 25 mm , a movable handle 12 cm long with a diameter of 1.5 cm is pivotally attached to the short arm of the L-shaped handle, the short and long shoulders of which are 5 and 7 cm respectively and are bent with respect to each other at an angle of 145 °, in the end part of the short arm is movable the handle has a through hole with a diameter of 0.5 cm, coinciding in axis with the hole of the long shoulder of the L-shaped handle, and at the end of the end of the short shoulder of the movable handle there is a hole with a diameter of 4 mm, with a thread and a fixing screw, between the movable and fixed handles false lock.