CASE OF THE DEVICE FOR POSITIONING A CORONARY STENT OR CORONARY BALLOON IN THE CORONARY ARTERIES

The present invention is a housing of a device intended for use in medicine for the most accurate, fast and safe positioning of a coronary stent or coronary balloon on a delivery system during endovascular coronary stenting surgery.

Devices for positioning a stent in the coronary arteries of the same applicant (RU2598798, RU2652732, RU2650038, RU2661092) are known on the medical equipment market, the body of which differs from the claimed utility model having the following advantages:

- optimization of the positioning of the coronary stent or coronary balloon by increasing the length of the body and thus the range of movement of the fixed delivery system,

- increased efficiency by increasing the area of ​​engagement with the fingers of the rear of the body and the location of the hands as close to each other as possible due to the design in which the rear of the body is overlapped with the front,

- increasing the reliability and stability of the device due to the presence of point protrusions in the holes for the ears of the retainer in the front part of the housing, which allow keeping the retainer closed, thereby preventing the possibility of arbitrary release of the delivery system of the coronary stent or coronary balloon in the fixed state,

- increasing the reliability and efficiency of the operation due to the presence of horizontal stripes with a shagreen surface on the back of the body, which increases the adhesion of the body surface with the surgeon's fingers,

- the ability to visually control the operation of the mechanism inside the case due to the presence of horizontal transparent stripes alternating with shagreen stripes on the back of the case,

- reducing friction and improving the quality of rotation due to the presence of point elements on the surfaces of the body, rotating relative to each other,

- ensuring a firm and reliable fixation of the device when connected to the Y-connector due to the presence of the extension of the front part of the device in the form of a tube,

- ensuring a smooth and comfortable contact of the end of the back of the body with the surgeon's hand due to the presence of a chamfer,

- simplification of the design and reduction of manufacturing costs due to obtaining the halves of the rear part of the body identical as a result of the use of a two-start thread on the inner cylindrical surface of the rear part of the body.

The claimed invention is industrially applicable.

The subject of the present invention is a device housing for positioning a coronary stent or coronary balloon in coronary arteries.

The body contains a latch with a thickening with ears, a slider with an opening for placing the delivery system in it, with protrusions designed to engage with the internal two-start thread of the rear cylindrical part of the body, and protrusions designed to move along the guides inside the body on one side, and a cap with a hole for placing a delivery system with a rubber sleeve with a hole for placing a delivery system inside with a tapered and end surfaces corresponding to the same surfaces inside the cap and at the end of the slider, placed in the cap with a thread for screwing onto the slider on the other side.

The mechanism located in the housing is the subject of a separate patent for invention (patent RU 2661092) by the same applicant and is provided only for the purpose of illustration and understanding of the claimed utility model.

The body consists of the front part of the body and the rear part of the body, each of which consists of two identical halves connected to each other. The rear of the body is overlapped to the front of the body.

The front part of the body is, on the one hand, a truncated part with a continuation in the form of a tube, and on the other hand, it passes successively into a cylindrical part, a smooth cylindrical part of a smaller diameter, and a guide for the slider.

The front truncated part of the body is adapted to hold the fingers of the surgeon's left hand, and is provided with recesses that allow the surgeon to fix the device in the desired position, while the recesses also serve as a platform for fixing the coronary conductor. The recesses are made with a shagreen surface.

The front truncated part of the body is intended for connection to the Y-connector and is made with a continuation in the form of a tube with a cutout for the coronary conductor. An extension of the body in the form of a tube is inserted into the hole in the Y-connector, and the corona wire passes through the cutout in the tube and exits at the beginning of the notch on the outside of the front truncated part of the body.

This design allows you to accurately and firmly connect the device to the Y-connector and eliminate arbitrary displacement of the device body relative to the Y-connector during positioning of the coronary stent or coronary balloon.

This design also reduces the stress on the fingers of the surgeon's hand, facilitates and simplifies the operation.

As an option, the front truncated part of the body can be made without extension in the form of a tube and not intended for connection to the Y-connector.

The body in its front cylindrical part on both sides is provided with rectangular holes for the lugs of the retainer. Moreover, in each of the rectangular holes on one side at a distance equal to the width of the latch ear, there are two point projections designed to hold the lugs of the latch in the extreme position, and the latch itself in the closed state.

Around the circumference of the end face of the smooth cylindrical part of the front part of the housing from the side of the runner guide, a cylindrical groove with dotted elements is made, intended for connection with the corresponding protrusion with dotted elements, made around the circumference of the smooth inner cylindrical surface of the rear part of the housing from the side of the surface with a double thread.

The rear cylindrical part of the body from the inner side is made in the form of a smooth surface and a surface with a two-start thread around the circumference.

On the inner smooth cylindrical surface of the rear part of the housing from the side of the retainer, point elements are made around the circumference, designed to reduce the friction of the parts of the housing rotating relative to each other.

Between the smooth inner surface and the surface with an internal two-start thread of the rear part of the housing, a cylindrical protrusion with dotted elements is made around the circumference for engaging with a cylindrical groove of the smooth cylindrical part of the front part of the housing from the side of the runner guide with the possibility of rotation of the rear cylindrical part of the housing around its axis.

The outer surface of the rear part of the body is made with alternating horizontal smooth transparent stripes and stripes with a shagreen surface.

As an option, the outer surface of the rear part of the housing can be completely made with a shagreen surface.

When assembled, the smooth surface of the rear of the housing is positioned over the smooth cylindrical front of the housing. And the inner surface, made with a double thread around the circumference, designed to engage with the protrusions of the slider, is located above the slider.

The back of the body is overlapped over the front of the body, over a smooth cylindrical part with a detent inside, and over a slider.

A chamfer is made in the end surface of the rear part of the body, which provides a smooth and comfortable contact of the end surface with the surgeon's palm.

In the front part of the body, in continuation in the form of a tube provided with a cutout for the coronary conductor, and the end surface of the rear part of the body, through holes are made for introducing the delivery system of the coronary stent or coronary balloon inside the device placed in the body.

The body is made of plastic by injection molding and consists of a front and a back, each of which is made up of two identical halves.

Each half of the front truncated part, the cylindrical part and the smooth cylindrical part of the smaller diameter of the front part of the body and each half of the rear part of the body are cast entirely.

As an option, the halves of the rear of the housing can be made with an offset of the single-start thread of the inner surface to form a single threaded surface during assembly.

The halves are made separately and are connected to each other after assembly of the mechanism by means of tapered protrusions and corresponding tapered holes made along the edges of the front and rear parts of the inner part of the body.

When assembling the device, a rubber sleeve with a hole for placing the delivery system, a cap with an opening for placing the delivery system, and on the opposite side of the lock a slider with an opening for placing the delivery system is placed in the retainer on the side of the thickening, on the thread of which the cap is screwed, in which the rubber bushing. After that, a tube is inserted into the through hole of the sleeve, cap and slider to accommodate the delivery system of the coronary stent or coronary balloon.

Фиксатор, содержащий резиновую втулку, колпачок и бегунок, размещается внутри передней части корпуса, причем утолщенная часть фиксатора располагается в цилиндрической части корпуса с боковыми отверстиями для ушек фиксатора, а остальная часть фиксатора размещается в гладкой цилиндрической части передней части корпуса.

The halves of the front part of the body are connected by means of conical protrusions and the corresponding conical holes made in the front part of the case, after which the smooth cylindrical part of the front part of the case is placed in the halves of the rear part of the case, and the cylindrical protrusion with dotted elements is located in the cylindrical groove of the smooth cylindrical part of the front parts of the body, and the halves are connected similarly to the front part of the body by means of tapered protrusions and corresponding tapered holes made in the rear part of the body, forming an overlapping connection with the front part of the body.

Below is a list of the accompanying drawings.

FIG. 1 - general view of the case, where

1- front part of the body,

4- truncated part of the front of the body,

5-groove for fingers with shagreen surface,

7-cylindrical part of the front of the body,

8-holes in the front cylindrical part of the body for the lugs of the retainer,

10-point lug to hold the lugs,

14-back of the case,

15-shagreen surface,

28-retainer,

30-lugs of the retainer,

32-tube for delivery system,

33-continuation of the body in the form of a tube,

34-cut for coronary conductor,

37-smooth transparent strip on the outer surface of the back of the case.

FIG. 2 - side view of the case, where

1 - the front of the body,

4- truncated part of the front of the body,

5- grooves for fingers with shagreen surface,

10-point projection for holding the lugs of the retainer,

14- back of the case,

15- shagreen surface,

16-chamfer of the rear end of the body,

28-retainer,

30-lugs of the retainer,

32-tube for the delivery system,

33 - continuation of the body in the form of a tube,

34-cut in the tube for the coronary conductor,

37- a smooth transparent strip of the outer surface of the back of the case.

Fig. 3 is a top view of the body, where

1- front part of the body,

4- truncated part of the front of the body,

7- cylindrical part of the front of the body,

14- back of the case,

15- shagreen surface,

16- chamfer of the rear end part of the body,

28-retainer,

30-lugs of the retainer,

32-tube for delivery system

33 - continuation of the body in the form of a tube,

37- a smooth transparent strip of the outer surface of the back of the case.

FIG. 4 - view of the case with the device in section, where

1 - the front of the body,

2-tapered projection on the front of the body,

3-tapered hole in the front of the case,

7-cylindrical part of the front of the body,

9- smooth cylindrical part of the front part of the body

13-guides for the slider,

14- back of the case,

20-internal double-start thread of the rear of the body for engaging with the slider,

21 - through hole for the delivery system of the coronary stent or coronary balloon,

22-tapered shoulder at the rear of the body,

23 - tapered hole in the rear of the case,

24 slider,

26-protrusion of the slider for engaging with the thread of the inner surface of the rear part of the body,

27-ledge for the guides of the front of the case,

28-retainer,

29-thickening of the retainer,

30-lugs of the retainer,

32-tube for the delivery system,

33- continuation of the body in the form of a tube.

FIG. 5- view of the case with the device disassembled, where

1 - the front of the body,

2-tapered projection on the front of the body,

3-tapered hole in the front of the case,

4- truncated part of the front of the body,

5- grooves for fingers with shagreen surface,

6-hole for the delivery system in the front of the case,

7-cylindrical part of the front of the body,

8-holes in the front cylindrical part of the body for the lugs of the retainer,

9-smooth cylindrical part of the front of the body,

10-point projection for holding the lugs of the retainer,

11 - cylindrical groove of the smooth cylindrical part of the front part of the body,

12-point elements of the cylindrical groove in the front of the body,

13-guides for the slider,

14- back of the case,

15- shagreen surface,

17-point elements of the inner smooth rear of the body,

18- cylindrical protrusion,

19-point cylindrical protrusion elements,

20-internal double-start thread of the rear of the body for engaging with the slider,

21 - through hole for the delivery system of the coronary stent or coronary balloon,

22-tapered shoulder at the rear of the body,

23-tapered hole in the rear of the case,

24 slider,

25-hole in the slider for a coronary stent or coronary balloon delivery system,

26-protrusion of the slider for engaging with the thread of the inner surface of the rear part of the body,

27-ledge for the guides of the front of the case,

28-retainer,

29-thickening of the retainer,

30-lugs of the retainer,

33 - continuation of the body in the form of a tube,

34-cut in the tube for the coronary conductor,

37- a smooth transparent strip of the outer surface of the back of the case,

38-end surface of the rear of the case,

39-rubber grommet,

40-cap.

FIG. 6- general view of the halves of the back of the case, where

14- back of the case,

15- shagreen surface,

16-chamfer of the rear end of the body,

17-point elements of the inner smooth rear of the body,

18- cylindrical protrusion,

19-point cylindrical protrusion elements,

20 - internal double-start thread of the rear part of the body for engaging with the slider,

21 - through hole for the delivery system of the coronary stent or coronary balloon,

22-tapered shoulder at the rear of the body,

23 - tapered hole in the rear of the case,

42 - inner smooth surface of the rear of the case

FIG. 7- general view of a device with a Y-connector, where

1 - front part of the case,

4- truncated part of the front of the body,

14- back of the case,

15- shagreen surface,

28-retainer,

31 - coronary conductor,

33 - continuation of the body in the form of a tube,

34-cut in the tube for the coronary conductor,

35-U-connector,

36 - hole in the Y-connector for the introduction of the device tube

Fig. 8 is a general view of the rear part of the housing with offset threads, where

14-back of the case,

41 - the rear part of the housing with a displaced internal threaded surface.

FIG. 9 - General view of the front part of the body after connecting to the rear part, where 1 is the front part of the body,

5 - grooves for fingers with a shagreen surface,

14 - the back of the case,

28 - retainer,

33 - continuation of the body in the form of a tube,

34 - cut in the tube for the coronary conductor.

FIG. 10 is a general view of the case with the shagreen surface of the rear part of the case completely, where

1 - the front of the body,

5 - grooves for fingers with a shagreen surface,

14 - the back of the case,

28 - retainer,

38 - end surface of the rear part of the body,

43 - solid shagreen surface of the rear of the case

FIG. 11 is a general view of the body with the front part without extension in the form of a tube, where 1 is the front part of the body,

4- truncated part of the front of the body,

5-groove for fingers with shagreen surface,

6 - hole for the delivery system in the front of the body,

7-cylindrical part of the front of the body,

4-back of the body,

28-retainer

FIG. 12 is a general view of the front part of the body without being extended in the form of a tube after being connected to the rear part, where

1 - the front of the body,

4- truncated part of the front of the case

5 - grooves for fingers with a shagreen surface,

6 - hole for the delivery system in the front of the body,

7-cylindrical part of the front of the body,

14 - the back of the case,

28 - retainer

Below is an implementation of the invention with reference to the accompanying drawings.

The body consists of the front part of the body 1 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 7) and the rear part of the body 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7), each of which consists of two identical halves. The rear part of the body 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8) is connected to the front part of the case 1 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5) with an overlap.

The front part of the body 1 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 7) is on one side a truncated part 4 (Fig. 1, Fig. 2, Fig. 3, Fig . 5, Fig. 7) with a continuation in the form of a tube 33 (Fig. 5, Fig. 7), passing sequentially into the cylindrical part 7 (Fig. 1, Fig. 2, Fig. 3, Fig. 5), smooth cylindrical a part of a smaller diameter 9 (Fig. 5), and a guide for the slider 13 (Fig. 4, Fig. 5) on the other side.

As an embodiment, the front truncated part of the body 4 (Fig. 1 1, Fig. 12) can be made without being extended in the form of a tube.

The front truncated part 4 (Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 7) of the housing 1 (Fig. I, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 7). 7) is adapted to be held by the fingers of the surgeon's left hand, and is provided with recesses 5 (Fig. 1, Fig. 2, Fig. 5), allowing the surgeon to fix the device in the desired position, while the recesses 5 (Fig. 1, Fig. 2, Fig. . 5) also serve as a platform for fixation of the coronary conductor. Recesses 5 (Fig. 1, Fig. 2, Fig. 5) for the fingers of the surgeon's hand of the front truncated part of the body 4 (Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 7) are made with a shagreen surface.

The front truncated part 4 of the housing (Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 7) is intended to be connected to the Y-connector 35 (Fig. 7) and is made with a continuation in the form of a tube 33 (Fig. 5, Fig. 7) with a cutout 34 (Fig. 5, Fig. 7) for the coronal conductor 31 (Fig. 7). The continuation of the body in the form of a tube 33 (Fig. 5, Fig. 7) is inserted into the hole in the Y-connector 35 (Fig. 7), and the coronal conductor 3 1 (Fig. 7) passes through the cutout 34 (Fig. 5, Fig. 7). 7) in the tube 33 (Fig. 5, Fig. 7) and comes out from the outside of the front truncated part of the housing 1 at the beginning of the recess 5 (Fig. 1, Fig. 2, Fig. 7).

In the embodiment of the front truncated part of the housing 4 without extending in the form of a tube (Fig. 11, Fig. 12), the tube 32 (Fig. 4) for placing the delivery system of the coronary stent or coronary balloon inside the device is located in the opening 6 of the anterior truncated part 4 of the housing 1 (Fig. 11, Fig. 12) and through hole 21 of the end surface 38 (Fig. 4, Fig. 5) of the rear part of the housing 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7).

The body 1 (Fig. 1, Fig. 2, Fig. 3, Fig. 4) in its front cylindrical part 7 (Fig. 1, Fig. 3, Fig. 5) is provided on both sides with rectangular holes 8

(Fig. 1, Fig. 5) for the tabs 30 (Fig. 1, Fig. 4, Fig. 5) of the retainer 28 (Fig. 4, Fig. 5, Fig. 7). Moreover, in each of the rectangular holes 8 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 9) on one side at a distance equal to the width of the tab 30 (Fig. 1, Fig. 4, Fig. 5) of the latch 28 (Fig. 4, Fig. 5, Fig. 7), two point protrusions 10 (Fig. 1, Fig. 2, Fig. 5) are placed, intended for holding the tabs 30 (Fig. 1, Fig. . 4, Fig. 5) of the latch 28 (Fig. 4, Fig. 5, Fig. 7) in the extreme position, and the latch 28 itself (Fig. 4, Fig. 5, Fig. 7) in the closed state.

Around the circumference of the end face of the smooth cylindrical part 9 (Fig. 5) of the front part of the body from the side opposite to the front truncated part of the body 4 (Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 7) there is a cylindrical groove 1 1 (Fig. 5) with dotted elements 12 (Fig. 5), intended for connection with a corresponding protrusion 18 (Fig. 5) with dotted elements 19 (Fig. 5, Fig. 6), made along the circumference of a smooth inner cylindrical surface 42 ( Fig. 6) of the rear part of the housing 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7) from the side of the surface with a double thread 20 (Fig. 6).

The rear cylindrical part of the body 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7) is made from the inside in the form of a smooth surface 42 (Fig. 6) and a surface with two-start thread 20 (Fig. 6) around the circumference.

On the inner smooth surface 42 (Fig. 6) of the rear part of the housing 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7) from the side of the retainer 28 (Fig. 4, Fig. 5, Fig. 6) dotted elements 17 are made around the circumference (Fig. 5, Fig. 6).

Between a smooth inner surface 42 (Fig. 6) and a surface with an internal two-start thread 20 (Fig. 5, Fig. 6) of the rear part of the housing 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 , Fig. 6, Fig. 7) a cylindrical protrusion 18 (Fig. 5, Fig. 6) is made with point elements 19 (Fig. 5, Fig. 6) for engaging with a cylindrical groove 11 (Fig. 5) of the smooth cylindrical part of the front part of the body 9 (Fig. 4, Fig. 5) from the side of the guide of the slider 13 (Fig. 4, Fig. 5) with the possibility of rotation of the rear cylindrical part 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7) around its axis.

The outer surface of the rear part of the body 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7) is made with horizontal smooth transparent stripes 37 (Fig. 1, Fig. 2 , Fig. 3), alternating with stripes with a shagreen surface 15 (Fig. 1, Fig. 2, Fig. 3).

Alternatively, the outer surface of the rear of the housing 14 (Fig. 10)

can be completely made with the shagreen surface 43 (Fig. 10).

The rear part of the body 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7) is overlapped over the front part of the body 1 (Fig. 4) over the smooth cylindrical part 9 (Fig. 5) with a retainer 28 (Fig. 4, Fig. 5, Fig. 7) inside, and above the slider 24 (Fig. 4, Fig. 5).

In the end surface 38 (Fig. 4, Fig. 10) of the rear part of the housing, a chamfer 16 is made (Fig. 2, Fig. 3, Fig. 6), which ensures smooth and comfortable contact of the end part of the housing with the surgeon's palm.

In the front part of the body in the continuation in the form of a tube 33 (Fig. 5, Fig. 7, Fig. 9), provided with a cutout 34 (Fig. 5, Fig. 7, Fig. 9) for the coronary conductor 31 (Fig. 7), and end surface 38 (Fig. 4, Fin 5) of the rear part of the housing 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7) through holes 21 ( Fig. 4, Fig. 5, Fig. 6) for the introduction of the delivery system of the coronary stent or coronary balloon inside the device located in the housing.

The body is made of plastic by injection molding, consists of a front part 1 and a rear part 14 (Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 7), each of which is two identical halves.

Alternatively, the halves can be distinguished by the offset of the single-start thread 41 (Fig. 8) to form a single threaded surface during assembly.

The halves are made separately and are connected to each other after assembly of the mechanism using tapered protrusions 2, 22 (Fig. 4, Fig. 5) and the corresponding tapered holes 3, 23 (Fig. 4, Fig. 5) made along the edges of the inner part of the body.

When assembling, the device is pre-sequentially placed in the retainer 28 (Fig. 4, Fig. 5) from the side of the bulge 29 (Fig. 4, Fig. 5) a rubber bushing 39 (Fig. 5) with an opening for placing the delivery system, a cap 40 (Fig. .5) with an opening for placing the delivery system, and on the opposite side of the retainer 28 (Fig. 4, Fig. 5) a slider 24 (Fig. 4, Fig. 5) with an opening for placing the delivery system, on the thread of which the cap 40 is screwed (Fig. .5), which houses the rubber bushing 39 (Fig. 5). After that, a tube 32 (Fig. 1, Fig. 4) is inserted into the through hole of the sleeve 39, the cap 40 and the slider 24 to accommodate the delivery system of the coronary stent or coronary balloon.

Retainer 28 (Fig. 4, Fig. 5), containing a rubber bushing 39 (Fig. 5),

cap 40 (Fig. 5) and slider 24 (Fig. 4, Fig. 5), is located inside the front part of the housing 1 (Fig. 4), and the thickened part of the latch 29 (Fig. 4, Fig. 5) is located in the cylindrical part body 7 (Fig. 4) with side holes 8 (Fig. 1, Fig. 4) for tabs 30 (Fig. 1, Fig. 4) of the latch 28 (Fig. 1, Fig. 4), and the rest of the latch 28 ( Fig. 4) is located in a smooth cylindrical part of the front part of the housing 9 (Fig. 4).

The halves of the front part of the body are connected by means of conical protrusions 2 (Fig. 4, Fig. 5) and the corresponding conical holes 3 (Fig. 4, Fig. 5), made in the front part of the body 1 (Fig. 4), after which a smooth the cylindrical part of the front part of the body 9 (Fig. 4) is located in the halves of the rear part of the body 14 (Fig. 4), and the cylindrical protrusion 18 (Fig. 5, Fig. 6) with dotted elements 19 (Fig. 5, Fig. 6) is placed in a cylindrical groove And (Fig. 5) with point elements 12 (Fig. 5) of a smooth cylindrical part of the front part of the body 9 (Fig. 5), and the halves are connected similarly to the front part of the body using conical protrusions 22 (Fig. 5, Fig. 6) and the corresponding tapered holes 23 (Fig. 5, Fig. 6), made in the rear part of the housing 14 (Fig. 4), forming the connection of the front part 1 (Fig. 4) and the rear part 14 (Fig. 4).4) overlap hulls.

Claim

1. The body of a device intended for positioning a coronary stent or a coronary balloon in the coronary arteries, containing a retainer with ears, a slider with an opening for placing a delivery system in it, with protrusions designed to engage with the internal thread of the posterior cylindrical part of the body, and protrusions intended for movement along the guides inside the housing on one side, and a cap with a hole for placing the delivery system, with a rubber grommet with a hole for placing the delivery system inside with tapered and end surfaces corresponding to the same surfaces inside the cap and slider, placed in a cap with a thread for screwing onto the slider on the other side, consisting of the front part of the case and the back part of the case, made of two halves, characterized in thatthat the front part is, on the one hand, a truncated part with a continuation in the form of a tube for connection with the Y-connector and with a cutout for the coronary conductor, and on the other hand, it passes in succession into the cylindrical part with holes for the retainer ears with two point protrusions in each and smooth a cylindrical part of a smaller diameter, at the end of which a cylindrical groove with dotted elements is made on the side of the guide for the slider, and a guide for the slider, and the rear cylindrical part of the body inside consists of a smooth surface, around the circumference of which point elements are made on the side of the retainer, and a surface made with two-start thread around the circumference,and between the smooth inner surface and the surface with a two-thread thread around the circumference of the rear part of the body there is a cylindrical protrusion with dotted elements, the outer surface of the rear part of the body is made with alternating horizontal smooth transparent stripes and stripes with a shagreen surface, a chamfer is placed in the end surface of the rear part of the body, when a through hole is made in the front part of the body and the end surface of the rear part of the body for introducing the delivery system of the coronary stent or coronary balloon into the device.in this case, a through hole is made in the front part of the body and the end surface of the rear part of the body for introducing the delivery system of the coronary stent or coronary balloon into the device.in this case, a through hole is made in the front part of the body and the end surface of the rear part of the body for introducing the delivery system of the coronary stent or coronary balloon into the device.

2. The body of the device according to claim 1, characterized in that the front truncated part of the body is made without continuation in the form of a tube and is not intended for

connection to the U-connector.

3. The body of the device according to claim 1, characterized in that the internal thread of the rear part of the body is single-threaded with an offset.

4. The body of the device according to claim 1, characterized in that the outer surface of the rear part of the body is made entirely with a shagreen surface.

5. The body of a device intended for positioning a coronary stent or a coronary balloon in the coronary arteries, containing a retainer with ears, a slider with an opening for placing a delivery system in it, with protrusions designed to engage with the internal thread of the posterior cylindrical part of the body, and protrusions intended for movement along the guides inside the housing on one side, and a cap with a hole for placing the delivery system, with a rubber grommet with a hole for placing the delivery system inside with tapered and end surfaces corresponding to the same surfaces inside the cap and slider, placed in a cap with a thread for screwing onto the slider on the other side, consisting of the front of the body and the back of the body, consisting of two halves,when assembling the device and preliminary placement of the delivery system, a rubber sleeve with a hole for placement of the delivery system, a cap with an opening for placement of the delivery system, are sequentially placed in the retainer on the side of the thickening, and a slider is placed on the opposite side of the retainer, on the thread of which the cap is screwed, in which the sleeve is located , after which a tube is inserted into the through hole of the sleeve, cap and slider to accommodate a delivery system for a coronary stent or a coronary balloon, characterized in that the retainer containing the rubber grommet, the cap and the slider is placed inside the front part of the body, and the thickened part of the retainer is located in the cylindrical part of the body with lateral holes for the tab lugs,and the rest of the retainer is located in the smooth cylindrical part of the front part of the case, which, together with the slider, is located in the rear part of the case, while the cylindrical protrusion with dotted elements of the rear inner part of the case is located in the cylindrical groove with dotted elements of the smooth cylindrical part of the front part of the case from the side of the retainer , creating an overlap between the front and rear of the body when joining the halves.