CN215458303U - Suture needle - Google Patents

Abstract

The utility model discloses a suture needle, which comprises a needle head and a suture thread, wherein the needle head is arc-shaped, the needle head comprises a puncture section and a transition section connected to one end of the puncture section, which is far away from the transition section, is a blunt end, the outer diameter of the puncture section is gradually reduced along the direction far away from the transition section, and the suture thread is connected to one end of the transition section, which is far away from the puncture section.

Description

Suture needle

Technical Field

The utility model relates to a medical instrument, in particular to a suture needle.

Background

In the prior art, in the field of cardiac, thoracic and vascular surgical treatment, a sternum is often required to be split to carry out cardiac surgery, mediastinal surgery, pulmonary surgery and the like, sternum suture is required after the surgery is finished, and a sternum suture steel wire is required to be applied to the sternum suture. At present, a conventional chest closing steel wire needle is a steel wire needle, so that in order to facilitate puncture when a first needle is sutured, a needle head of the steel wire needle is a triangular needle head, the end part of the steel wire needle is sharp, and in the subsequent suturing and puncturing process, intercostal muscles and pleura are very easy to puncture, so that intercostal blood vessels or lung tissue injury is caused, a doctor needs to suture the intercostal blood vessels or the lung tissue, the bleeding amount is increased, and the operation time is prolonged.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a suturing needle that solves one or more of the problems set forth in the prior art, and provides at least one useful alternative or creation.

The solution of the utility model for solving the technical problem is as follows:

the utility model provides a suture needle, includes syringe needle and sewing wire, the shape of syringe needle is the arc, the syringe needle include the puncture section, connect in the changeover portion of puncture section one end, the puncture section is kept away from the one end of changeover portion is blunt nose, the external diameter of puncture section is along keeping away from the direction of changeover portion reduces gradually, the sewing wire connect in the changeover portion is kept away from the one end of puncture section.

The technical scheme at least has the following beneficial effects: the whole needle head is arc-shaped, which is convenient for leading during suture operation, the needle head comprises a transition section and a puncture section, one end of the puncture section, which is far away from the transition section, is a head end of the needle head, namely one end which is firstly contacted with a human body during suture, the head end of the puncture section is a blunt end, when intercostal suture is needed, because rigid bone does not need to be punctured, the puncture section with the blunt end is used for puncturing and leading, the pressure intensity can be increased along the puncture section with the gradually reduced external diameter in the direction far away from the transition section, the puncture section with the blunt end provides extrusion and push-away force, the intercostal blood vessel is not easy to puncture, if the suture is just on the intercostal blood vessel, the blood vessel can be pushed away relatively, the needle head can extrude and push away the blood vessel, thereby the blood vessel passes by the side to the lung tissue, the needle head can slide over the lung tissue relatively, the risk of blood vessel injury and bleeding can be reduced, reduces the operation risk, reduces the time for suturing the sternum to close the chest to stop bleeding and improves the operation efficiency.

As a further improvement of the technical scheme, one end of the puncture section far away from the transition section is hemispherical. The end of the puncture section is hemispherical, so that the blood vessel can be avoided, and the damage to the blood vessel and the tissue is reduced.

As a further improvement of the technical scheme, the needle head is in a semi-circular arc shape. The needle head is integrally in a semi-circular arc shape, and the needle can be inserted and discharged more conveniently and flexibly when being sutured.

As a further improvement of the technical scheme, a holding section is arranged between the transition section and the suture thread, and the holding section extends along the tangential direction of one end of the transition section, which is far away from the puncture section. When in use, the user can exert force on the holding section by hand, so that the force is conveniently applied.

As a further improvement of the technical scheme, the holding section is provided with anti-skid grains. The anti-slip lines can increase the friction of a user on the holding section, and improve the stability of the user for holding the needle head.

As a further improvement of the technical scheme, the needle head and the suture thread are detachably connected. The needle head can be conveniently connected with the suture threads with different lengths for use, and the needle head can be conveniently replaced in the operation process.

As a further improvement of the above technical scheme, a blind hole is formed in the end face of the holding section, which is far away from one end of the transition section, an annular groove is formed in the inner wall of the blind hole, one end of the sewing thread is inserted into the blind hole, an annular stripe is formed in the outer side wall of the sewing thread, and the annular stripe and the annular groove are connected in a matched manner. When one end of the sewing thread is inserted into the blind hole, the end part of the sewing thread is kept in the blind hole by utilizing the friction between the outer wall of the sewing thread and the inner wall of the blind hole, and meanwhile, the end part of the sewing thread is connected with the annular groove in a matched manner through the annular stripes, so that the stability of the end part of the sewing thread in the blind hole is further improved.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the utility model, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

Fig. 1 is a schematic view of the overall structure of the present invention.

In the drawings: 110-puncture section, 120-transition section, 200-suture thread and 300-holding section.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, a suture needle includes a needle head and a suture filament 200, the needle head is arc-shaped, the needle head includes a penetrating section 110 and a transition section 120 connected to one end of the penetrating section 110, one end of the penetrating section 110 far away from the transition section 120 is blunt, the outer diameter of the penetrating section 110 gradually decreases along the direction far away from the transition section 120, and the suture filament 200 is connected to one end of the transition section 120 far away from the penetrating section 110.

From the above, the needle head is arc-shaped as a whole, which facilitates the threading during the suture operation, the needle head comprises a transition section 120 and a puncture section 110, one end of the puncture section 110 far away from the transition section 120 is the head end of the needle head, i.e. the end which is firstly contacted with the human body during the suture, the head end of the puncture section 110 is blunt, when intercostal suture is required, because hard bone does not need to be punctured, the puncture section 110 with blunt head is used for puncturing and threading, the puncture section 110 with blunt head can increase pressure along the direction far away from the transition section 120, the puncture section 110 with blunt head provides the extrusion and push-away force, the intercostal blood vessel is not easy to puncture, if the suture is just on the intercostal blood vessel, because the blood vessel can be extruded and pushed away relatively, and the needle head with blunt head can extrude and push away the blood vessel, thereby the blood vessel passes by the side, the lung tissue, the blunt head needle can relatively slide over the lung tissue, the risk of blood bleeding caused by puncture injury of blood vessels can be reduced, the operation risk is reduced, the time for suturing the sternum to close the chest and stop bleeding is reduced, and the operation efficiency is improved.

In the above embodiment, the head end of the piercing section 110 may be a blunt shape with a plane surface or a non-sharp and sharp shape, while in the present embodiment, the end of the piercing section 110 far from the transition section 120 is a hemisphere shape. The end of the puncture section 110 is hemispherical, so that the blood vessel can be avoided, and the damage to the blood vessel and the tissue is reduced.

The shape and length of the needle have a great influence on the use process, and in the embodiment, the shape of the needle is a semi-circular arc. The needle head is integrally in a semi-circular arc shape, and the needle can be inserted and discharged more conveniently and flexibly when being sutured.

In this embodiment, a holding section 300 is disposed between the transition section 120 and the suture filament 200, and the holding section 300 extends along a tangential direction of an end of the transition section 120 away from the piercing section 110. When in use, the user can exert force on the holding section 300 to facilitate the application of force.

As a further embodiment of the grip segment 300, the grip segment 300 is provided with anti-slip threads. The anti-slip pattern increases the friction of the user on the grip section 300, improving the stability of the user holding the needle.

In this embodiment, the needle is removably connected to the suture filament 200. The needle head can be conveniently connected with the suture threads 200 with different lengths for use, and the needle head can be conveniently replaced in the operation process.

As a further embodiment of the detachable connection of the needle head and the suture filament 200, a blind hole is formed in the end surface of the holding section 300 away from one end of the transition section 120, an annular groove is formed in the inner wall of the blind hole, one end of the suture filament 200 is inserted into the blind hole, an annular stripe is formed on the outer side wall of the suture filament 200, and the annular stripe and the annular groove are connected in a matched manner. When one end of the sewing thread 200 is inserted into the blind hole, the end of the sewing thread 200 is kept in the blind hole by utilizing the friction between the outer wall of the sewing thread 200 and the inner wall of the blind hole, and meanwhile, the stability of the end of the sewing thread 200 in the blind hole is further improved by matching and connecting the annular stripe and the annular groove.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the utility model as set forth in the claims appended hereto.

Claims (7)

1. A suture needle, characterized by: including syringe needle and suture silk (200), the shape of syringe needle is the arc, the syringe needle include puncture section (110), connect in changeover portion (120) of puncture section (110) one end, puncture section (110) are kept away from the one end of changeover portion (120) is blunt, the external diameter of puncture section (110) is along keeping away from the direction of changeover portion (120) reduces gradually, suture silk (200) connect in changeover portion (120) are kept away from the one end of puncture section (110).

2. The suturing needle of claim 1, wherein: the shape of one end of the puncture section (110) far away from the transition section (120) is hemispherical.

3. The suturing needle of claim 1, wherein: the shape of the needle head is a semi-circular arc.

4. The suturing needle of claim 1, wherein: a holding section (300) is arranged between the transition section (120) and the suture thread (200), and the holding section (300) extends along the tangential direction of one end of the transition section (120) far away from the puncture section (110).

5. The suturing needle of claim 4, wherein: the holding section (300) is provided with anti-skid lines.

6. The suturing needle of claim 4, wherein: the needle head is detachably connected with the suture thread (200).

7. The suturing needle of claim 6, wherein: the terminal surface of section of gripping (300) keeping away from changeover portion (120) one end is provided with the blind hole, the inner wall of blind hole is provided with the annular groove, the one end of sewing wire (200) is inserted in the blind hole, the lateral wall of sewing wire (200) is provided with annular stripe, the annular stripe with the annular groove is mutually supported and is connected.

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