CN114748119B

CN114748119B - Angle feedback mechanism of vascular suture instrument

Info

Publication number: CN114748119B
Application number: CN202210238426.5A
Authority: CN
Inventors: 章仕忠; 裴世宁; 方晓东; 张志宏
Original assignee: Nanjing Sealmed Medical Technology Co ltd
Current assignee: Nanjing Sealmed Medical Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2024-02-09
Anticipated expiration: 2042-03-11
Also published as: CN114748119A

Abstract

The invention discloses an angle feedback mechanism of a vascular suture device, which comprises a semicircular chassis, wherein a plurality of groups of marking lines radiating from the center to the edge of the chassis are arranged on the surface of the chassis, and a center ring is arranged at the center of the chassis. The device can more accurate feedback rotation angle when implanting, compares in present leaning on experience and the subjective judgement of operator entirely, can reduce the possibility that appears the deviation when sewing up, improves the precision of sewing up.

Description

Angle feedback mechanism of vascular suture instrument

Technical Field

The invention relates to the technical field of vascular staplers after interventional therapy, in particular to an angle feedback mechanism of the vascular stapler.

Background

In performing vascular suturing, it is desirable to utilize a vascular stapler that receives the needle and the stitch from the catheter and precisely controls the placement of the needle around the puncture site, and a handle for stabilizing the instrument during operation. The piston is used for pushing the needle head and pulling back the suture, the marking cavity is contained in the catheter, the inner end of the cavity is just positioned at the distal end of the catheter, the proximal end outlet of the marking cavity is positioned on the main body of the instrument and is used for providing a passage for blood return of a blood vessel so as to ensure the correct positioning of the instrument, and when a plurality of vascular staplers are used for implantation, the first instrument is required to be implanted to be positioned at an angle of 45 degrees along the right side of a patient by screwing the instrument by 30 degrees; implanting a second, the instrument should be screwed about 30 degrees towards the left side of the patient; implantation of the third, the third instrument should not rotate, and this process is a subjective judgment of the operator, and there is a possibility that a large deviation occurs, which affects the suturing effect.

The traditional neural vascular suture auxiliary device provided by the publication No. CN111436988A greatly reduces the operation difficulty, can help a doctor with shallow qualification to finish microsurgery repair in a standard and qualified manner, standardizes high-difficulty suture of microsurgery, ensures that patients in areas with undeveloped medical conditions can be treated in a qualified manner, and does not solve the problem of the control accuracy of the implantation angles of a plurality of vascular suture devices.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an angle feedback mechanism of a vascular suturing device.

In order to achieve the above purpose, the present invention adopts the following technical scheme: an angle feedback mechanism for a vascular stapler, comprising:

a semi-circular chassis;

the surface of the chassis is provided with a plurality of groups of marking lines radiating from the center of the chassis to the edge;

the center ring is arranged at the center of the chassis.

As a further description of the above technical solution: the arc edge of chassis is provided with the arc arch for accomodate the blood that overflows.

As a further description of the above technical solution: the marking lines are provided with at least three groups.

As a further description of the above technical solution: one group of marking lines are arranged at the center of the chassis, and the other two marking lines are symmetrical about the marking line at the center.

As a further description of the above technical solution: the included angles between the marking lines on both sides and the marking line at the center are all 30 degrees.

As a further description of the above technical solution: the chassis is made of silica gel.

As a further description of the above technical solution: the radius of the central ring is 1.5mm.

As a further description of the above technical solution: the height of the arc-shaped bulge is 0.5mm-1.0mm.

As a further description of the above technical solution: the arc length of the arc-shaped bulge is the same as that of the chassis.

As a further description of the above technical solution: the thickness of the chassis is 0.3-0.8mm.

The invention has the following beneficial effects:

1. according to the invention, the marking lines with a certain angle are arranged on the semicircular chassis, so that when a plurality of groups of vascular staplers are implanted, the rotating angle during implantation can be fed back more accurately, and compared with the experience and subjective judgment of an operator at present, the possibility of deviation during suturing can be reduced, and the suturing precision is improved.

2. The device provided by the invention consists of a chassis made of silica gel material, a marking line above the chassis, and the like, is simple, is not easy to damage, and is stable and reliable.

Drawings

FIG. 1 is a perspective view of an angle feedback mechanism of a vascular stapler according to the present invention;

FIG. 2 is a top view of an angle feedback mechanism of a vascular stapler according to the present invention;

FIG. 3 is a schematic view showing a first angle of the angle feedback mechanism of the vascular stapler according to the present invention;

FIG. 4 is a schematic view showing a second angle between the angle feedback mechanism of the vascular stapler and the vascular stapler according to the present invention

Fig. 5 is a third schematic view illustrating the cooperation of the angle feedback mechanism of the vascular stapler and the vascular stapler according to the present invention.

Legend description:

1. a chassis; 2. marking lines; 3. a center ring; 4. arc-shaped protrusions.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, one embodiment provided by the present invention is: an angle feedback mechanism for a vascular stapler, comprising:

a semicircular chassis 1;

the surface of the chassis 1 is provided with a plurality of groups of marking lines 2 radiating from the center of the chassis 1 to the edge;

the center of the chassis 1 is provided with a center ring 3.

After the device is placed at the inlet of the vascular suture device inserted into a blood vessel, the catheter of the vascular suture device is placed into the blood vessel, the angle of the vascular suture device is kept to be coincident with the mark line 2 at the center of the chassis 1 according to the angle shown in fig. 3, then the vascular suture device is screwed along the right side of a patient by about 30 degrees, the mark line 2 deflected to one side is coincident with the catheter of the vascular suture device, as shown in fig. 4, then a second vascular suture device is implanted, the vascular suture device system is screwed along the left side of the patient by about 30 degrees, the mark line 2 deflected to the other side is coincident with the catheter of the vascular suture device, as shown in fig. 5, then a third vascular suture device is implanted, the angle of the vascular suture device is kept to be coincident with the mark line 2 at the center of the chassis 1 according to the suture operation flow of the vascular suture device, until the use is completed, the feedback of the angle of the vascular suture device which can be more accurately performed when a plurality of vascular suture devices are implanted is achieved, so that the generation of accurate suture errors is reduced.

Further, the arc-shaped edge of the chassis 1 is provided with an arc-shaped protrusion 4, the arc length of the arc-shaped protrusion 4 is the same as that of the chassis 1, and the arc-shaped protrusion 4 can be used for accommodating blood overflowed during suturing.

Further, the marking lines 2 are provided with at least three groups, and the marking lines 2 may be linear grooves or linear protrusions.

Further, one set of the marking lines 2 is provided at the center of the chassis 1, and the remaining two marking lines 2 are symmetrical with respect to the marking line 2 at the center.

Further, the included angles between the marking lines 2 on both sides and the marking line 2 at the center are both 30 °.

Further, the chassis 1 is made of silica gel, is softer, does not cause foreign body sensation to a patient, and does not scratch the skin of the patient.

Further, the radius of the central ring 3 is 1.5mm, which is adapted to the radius of the catheter of the external vascular stapler.

Further, the height of the arc-shaped protrusion 4 is 0.5mm-1.0mm.

Further, the thickness of the chassis 1 is 0.3-0.8mm.

Working principle: when the device is used, the device is placed at the inlet of a blood vessel suture instrument inserted into the blood vessel, then the catheter of the blood vessel suture instrument is placed in the blood vessel, the angle of the blood vessel suture instrument is kept to be coincident with the mark line 2 at the center of the chassis 1 according to the angle shown in the figure 3, then the blood vessel suture instrument is screwed along the right side of a patient by about 30 degrees, the mark line 2 deflected to one side is coincident with the catheter of the blood vessel suture instrument, then a second blood vessel suture instrument is implanted, the blood vessel suture instrument system is screwed along the left side of the patient by about 30 degrees, the mark line 2 deflected to the other side is coincident with the catheter of the blood vessel suture instrument, as shown in the figure 5, then a third blood vessel suture instrument is implanted, the angle of the blood vessel suture instrument is kept to be coincident with the mark line 2 at the center of the chassis 1 according to the suture operation flow of the blood vessel suture instrument, until the use is completed, the accurate feedback suturing angle of the blood vessel suture instrument can be achieved when a plurality of blood vessel suture instruments are implanted, and the error is reduced.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims

1. An angle feedback mechanism of a vascular suturing device, which is characterized in that: comprising the following steps:

a semi-circular chassis (1);

the surface of the chassis (1) is provided with a plurality of groups of marking lines (2) radiating from the center of the chassis (1) to the edge, the marking lines (2) are provided with at least three groups, one group of marking lines (2) are arranged at the center of the chassis (1), the other two marking lines (2) are symmetrical about the marking lines (2) at the center, and the included angles between the marking lines (2) at the two sides and the marking lines (2) at the center are 30 degrees;

a center ring (3) is arranged at the center of the chassis (1), and an arc-shaped bulge (4) is arranged at the arc-shaped edge of the chassis (1) and used for accommodating overflowed blood;

when the vascular suture device is used, the catheter of the vascular suture device is overlapped with the marking line (2) at the center of the chassis (1), the vascular suture device is screwed along the right side of a patient for 30 degrees, the marking line (2) deflected to one side for 30 degrees is overlapped with the catheter of the vascular suture device, a second vascular suture device is implanted, the marking line (2) deflected to the other side is overlapped with the catheter of the vascular suture device by about 30 degrees when the vascular suture device is screwed along the left side of the patient, a third vascular suture device is implanted, the catheter of the vascular suture device is overlapped with the marking line (2) at the center of the chassis (1), and then the suture operation flow of the vascular suture device is performed until the vascular suture device is used.

2. The angle feedback mechanism of a vascular stapler of claim 1, wherein: the chassis (1) is made of silica gel.

3. The angle feedback mechanism of a vascular stapler of claim 1, wherein: the radius of the central ring (3) is 1.5mm.

4. The angle feedback mechanism of a vascular stapler of claim 1, wherein: the height of the arc-shaped bulge (4) is 0.5mm-1.0mm.

5. The angle feedback mechanism of a vascular stapler of claim 1, wherein: the arc length of the arc-shaped bulge (4) is the same as that of the chassis (1).

6. The angle feedback mechanism of a vascular stapler of claim 1, wherein: the thickness of the chassis (1) is 0.3-0.8mm.