SU1187799A1 - Apparatus for making channels in tissue - Google Patents

Description

The invention relates to medicine, in particular to devices for forming channels.

The purpose of the invention is to ensure uniform excision of pathological soft tissues, mainly of the fistulous course.

The drawing shows a device for forming channels in the tissues, General view. ten

A device for forming channels in tissues comprises a housing 1 with a handle 2 in which a shaft is mounted

3 with a cutting tool 4, and a drive 5, made in the form of eubcha- 15 wheels with a handle 6 of the drive 5.

The device is equipped with a flexible probe 7, replacing the centering sleeve 8.

In the handle 2 and the shaft 3 is made of 20 axial channel 9, in which the probe 7 is placed with the possibility of axial movement.

The cutting tool 4 is made in the form of a replaceable cylindrical knife ·, 25 and the sleeve 8 is mounted on the probe .7 inside the knife (cutting tool

four ).

The operation is as follows

in a way. thirty

Methylene blue is introduced into the lumen of the fistula to determine the localization of the intraintestinal opening. To determine the direction of the fistulous passage produce radiopaque study. Having 35 depth and directionality data of the fistulous course, a probe is inserted into the external opening of the fistula 8, which is fixed in the rectum using a surgical clamp. The probe is carried out through the 40 sleeve 8, placed in the lumen of the knife 4.

Knife 4 is connected to a medical drill. Giving a temporary movement to the knife 4 and gradually pressing 45 on the instrument, excite the fistulous

stroke, the fabric of which is in the form of a cylinder enters the lumen of the knife 4, moving the sleeve 8 inwardly. Consequently, the knife 4 rotates around an axis created by the guide probe 7, and uniformly cuts only the fabric forming the wall of the fistulous passage.

During the operation, the assistant holds the probe in the rectum with a surgical clamp, the surgeon fixes the knife 4 with the left hand at the external opening of the fistulous passage, gives the rotational movement of the knife 4 with the right hand, gradually, pressing the instrument, excises the tissue forming the wall of the fistulous course.

After the knife leaves the intestinal lumen, the assistant releases the surgical clamp and the surgeon removes the knife 4 from the wound. The cylinder cutted tissue with a fistulous course removed from the inside of the knife 4 and sent for histological examination.

The operation is completed according to the generally accepted method, or an acetoid suture is applied to the intestinal wall in the region of the internal opening of the fistula, or the mucosa is displaced, closing the exit of the fistula, or electrocoagulation is performed.

When using the device, minimal trauma is achieved, the healing time is accelerated, the number of bed-days is reduced, and the post-irradiation complication is eliminated - incontinence of feces or gases.

Basically, it is more expedient to use the method for rectilinear fistulas, but if it is revealed that the fistula stroke has the shape of a broken line, then part of the operation within the course of the fistula in soft tissues is performed by the conventional method, and when the fistulous passage passes through the sphincter, according to the proposed method.

1 187799

⁷ YaG

Claims (1)

A device for forming canals in fabrics, comprising a housing with a handle in which a shaft with a cutting tool is mounted, and drive different By the fact that, in order to ensure uniform excision of pathological soft tissues, mainly of the fistulous course, it is equipped with a flexible probe and a replaceable centering sleeve, while the axial channel in which the probe is placed with axial movement is made in the handle and the shaft, as a replaceable cylindrical knife, and the sleeve is installed on the probe inside the knife. cl oo m m 40 40 > • 1 1187799 2