RU2247541C1 - Laparoscopic trocar - Google Patents

Abstract

FIELD: medical engineering.

SUBSTANCE: device has tubular casing with working end, stopcock mounted on the opposite end and screw motion guide member. The screw motion guide is rounded 8 mm long projection. The working end has worm having 1.5 cm long pitch. 10 mm long trocar worm has 3.5 cm large diameter, 6 mm long trocar worm has 2.5 cm large diameter.

EFFECT: reduced risk of traumatic complications.

4 dwg

Description

The invention relates to medicine, namely to medical instruments used in surgery.

The problem of timely diagnosis and comprehensive treatment of early postoperative complications in patients operated on for various diseases and injuries of the abdominal organs is relevant in surgical practice. The reduction in mortality in surgical hospitals directly depends on the effective and timely diagnosis of early postoperative complications, the use of minimally invasive techniques in the treatment of postoperative complications. The difficulty in the correct and timely diagnosis of early postoperative complications is associated with the attrition of the clinical picture against the background of intensive therapy, postoperative pain syndrome. The effectiveness of most non-invasive research methods is significantly reduced due to the presence of postoperative intestinal paresis, residual pneumoperitoneum. The most effective and reliable method for diagnosing complications in the early postoperative period is diagnostic laparoscopy. In the clinic of surgical diseases in these situations, trocars are used.

Known surgical trocar containing a sleeve surrounded by a tubular shell forming around it a channel for air and having at its end openings for air / 1 /.

Known trocar containing a rod with a pointed working end, mounted in the handle, a tube of polymer material, a fluorescent screen with a lid, a fiber optic focon, the input end of which is in contact with the phosphor of the screen, and the output end enters the socket of the handle / 2 /.

The disadvantage of the prototype is that this design does not allow you to visually inspect all areas of the abdominal cavity and the area of surgical intervention and there is no possibility of sanitation of the abdominal cavity.

The purpose of the present invention is the elimination of postoperative complications.

The invention is illustrated by drawings, where figure 1 and figure 2 shows the construction of a laparoscopic trocar and figure 3 and figure 4 shows the stages of work with a trocar.

The laparoscopic trocar has a tubular body 1 with a working end, a crane 2 at the opposite end and a protruding guide 3 of a screw stroke in the form of a rounded protrusion of 8 mm. The trocar is equipped with screw 4 with a pitch of 1.5 cm and has a two-turn stroke. Screw 4 with a 10 mm trocar has a diameter of 3.5 cm, with a 6 mm trocar has a diameter of 2.5 mm and is located on the working end of the trocar.

Laparoscopic trocar is used as follows:

The guide is inserted through a point hole in the peritoneum (one seam dissolved) and the trocar is rotated by 180-360 degrees. This ensures gentle and minimally invasive penetration into the abdominal cavity, while the existing adhesions and adjacent intestines are stupidly pushed back, which eliminates the possibility of damage. Pulling the trocar towards itself due to the wide auger provides laparolift. This makes it possible to introduce a laparoscope - examine the formed cavity and begin laparoscopy.

Sources of information:

1. Application No. 2308346 of Germany.

2. A.S. No. 942730.

Claims (1)

A laparoscopic trocar comprising a tubular body with a working end and a valve at the opposite end, characterized in that it has a protruding screw-type guide in the form of a rounded protrusion of 8 mm, while the working end is equipped with a screw with a pitch of 1.5 cm and has a two-turn stroke moreover, the auger with a 10 mm trocar has a diameter of 3.5 cm and with a 6 mm trocar has a diameter of 2.5 cm.

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