Surgical suture needle convenient for thick tissue suture

Abstract

The utility model relates to a surgical suture needle convenient for thick tissue suture, which comprises a suture needle main body with a needle tip end and a needle tail end, and the needle tail end is used for connecting a suture line; the suture needle main body is formed by connecting a straight needle section and an arc-shaped needle section into a whole, the needle tip end is arranged at the outer end of the straight needle section, and the needle tail end is arranged at the outer end of the arc-shaped needle section. According to the suture needle, the straight needle section with the needle tip end is arranged, so that the puncture stroke of the straight needle section is a linear path, an operator can conveniently and accurately control the puncture trend of the needle tip end, and the straight needle section can linearly penetrate most thick tissues; through the guiding effect that the arc-shaped needle section in smooth transition enters the tissue, direction adjusting control over the advancing direction of the straight needle section is achieved, and suture operation of thick tissue is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of medical surgical suturing needles, in particular to a surgical suturing needle which is convenient for suturing thick tissues. Background Art

[0002] Medical surgical suture needles are mostly made of stainless steel wire with holes or grooves drilled at the needle tail. The needle type is divided into round needles, angle needles, shovel needles, straight needles, etc. according to actual needs. The curvature is divided into: 1 / 2 (such as Figure 2 as shown) circle, 3 / 8 circle, etc.

[0003] During a cesarean section, severe local uterine bleeding may occur and a patch-style suture may be required; that is, select a needle point at the place where the uterine bleeding is severe, and suture from the anterior wall to the posterior wall of the uterus; then, 2 to 3 cm to the side of the first needle point, suture from the posterior wall to the anterior wall of the uterus; then, 2 to 3 cm to the side of the second needle point, suture from the anterior wall to the posterior wall of the uterus; 2 to 3 cm to the side of the third needle point, suture from the posterior wall to the anterior wall of the uterus; the four needle points form a square and tie a knot. During placenta previa surgery, if the placenta is implanted in the cervix, a longitudinal suture of the cervix is ​​also required. Because the uterine muscle wall thickens after pregnancy, the thickness is about 2.0 to 2.5 cm, and it is even thicker locally. If it penetrates the anterior and posterior walls, the thickness will be about 4 to 5 cm, or even thicker. The suture needles currently used in clinical practice are all curved (such as Figure 2 As shown, the suture needle includes a 1 / 2 circle suture needle body 100, with a needle tip 101 and a needle tail 102 at both ends, and the needle tail 102 is connected to the suture 103. Another example is the surgical suture needle published in the invention patent with application number 202011090540.5. ), it is impossible to directly penetrate the anterior and posterior walls of the uterus or the anterior and posterior walls of the cervix, and the operator often needs to straighten the suture needle for through suture; this straightening method obviously cannot arrange the suture needle into a more ideal straight line structure, which is not conducive to the on-demand and smooth use of the suture needle, and it is easy to cause punctures, scratches and other injuries to the operator during the straightening process, posing a safety hazard.

[0004] In addition, there are also Figure 3 The suture needle shown is composed of a needle tip section 104 with an arc structure (the arc length is basically 1.0 to 1.5 cm) and a needle tail section 105 with a straight structure. When in use, the surgical forceps clamp the needle tail section 105 to manipulate the needle tip to perform a puncture operation. Although the straight needle tail section 105 is configured, the needle insertion stroke of the needle tip section 104 of the suture needle is basically the same as that of the arc needle, which is an arc path. Therefore, for the suturing operation of thick tissue, there is still a disadvantage that the suturing direction is difficult to grasp and it is difficult to penetrate as needed. Summary of the invention

[0005] The utility model provides a surgical suturing needle which is convenient for suturing thick tissues, so as to overcome the problems that the suturing direction of the existing surgical suturing needles for suturing thick tissues is difficult to grasp and difficult to penetrate as required.

[0006] The utility model adopts the following technical solutions:

[0007] A surgical suture needle for suturing thick tissues comprises a suture needle body having a needle tip and a needle tail, wherein the needle tail is used to connect a suture thread; the suture needle body is composed of a straight needle section and an arc-shaped needle section connected as one body, the needle tip is arranged at the outer end of the straight needle section, and the needle tail is arranged at the outer end of the arc-shaped needle section.

[0008] As a further improvement, the connection between the straight needle segment and the arc-shaped needle segment is a connecting segment, which smoothly transitions the straight needle segment and the arc-shaped needle segment into one.

[0009] According to a further improvement, the angle formed by the connection between the straight needle segment and the curved needle segment is 105-150°; further, the angle formed by the connection between the straight needle segment and the curved needle segment is 105-135°; preferably, the angle formed by the connection between the straight needle segment and the curved needle segment is 105°, 110°, 115°, 120°, 125°, 130° or 135°.

[0010] As a further improvement, the arcuate needle segment has an arcuate structure of π / 4 to π / 3 rad, i.e., an arcuate structure of 1 / 8 to 1 / 6 of a circle; preferably, the arcuate needle segment has an arcuate structure of π / 4 rad (i.e., 1 / 8 of a circle), 2π / 7 rad (i.e., 1 / 7 of a circle) or π / 3 rad (i.e., 1 / 6 of a circle).

[0011] As a further improvement, the length of the straight needle segment is 5 to 8 cm; preferably, the length of the straight needle segment is 5.0 cm, 5.5 cm, 6.0 cm, 6.5 cm, 7.0 cm or 8.0 cm.

[0012] From the above description of the structure of the utility model, it can be seen that compared with the prior art, the utility model has the following advantages: the suture needle is provided with a straight needle section with a needle tip, so that the puncture stroke of the straight needle section is a straight path, which is convenient for the operator to accurately control the puncture direction of the needle tip, and the straight needle section can penetrate most thick tissues in a straight line. The guiding effect of the smoothly transitioned arc needle section entering the tissue can realize the direction adjustment control of the straight needle section, which is more convenient for suturing operations on thicker tissues. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Schematic diagram of the structure of the suture needle of this embodiment.

[0014] Figure 2The schematic diagram of the structure of the most common suture needle in the background technology.

[0015] Figure 3 It is a schematic diagram of the structure of other types of suture needles in the background technology. Implementation

[0016] The specific implementation of the present utility model is described below with reference to the accompanying drawings.

[0017] Reference Figure 1 The surgical suture needle for thick tissue suturing comprises a suture needle body 1 having a needle tip 111 and a needle tail 121, wherein the needle tail 121 is used to connect a suture thread 2. The suture needle body 1 is formed by connecting a straight needle section 11 and an arc-shaped needle section 12 as a whole, wherein the needle tip 111 is arranged at the outer end of the straight needle section 11, and the needle tail 121 is arranged at the outer end of the arc-shaped needle section 12.

[0018] Continue to refer to Figure 1 The connection between the straight needle segment 11 and the arc-shaped needle segment 12 is a connection segment 13, which smoothly transitions and connects the straight needle segment 11 and the arc-shaped needle segment 12 into one. The angle formed by the connection between the straight needle segment 11 and the arc-shaped needle segment 12 is 105-150°; further, the angle formed by the connection between the straight needle segment 11 and the arc-shaped needle segment 12 is 105-135°; preferably, the angle formed by the connection between the straight needle segment 11 and the arc-shaped needle segment 12 is 105°, 110°, 115°, 120°, 125°, 130° or 135°.

[0019] Continue to refer to Figure 1 The arcuate needle segment 12 has an arcuate structure of π / 4 to π / 3 rad, i.e., an arcuate structure of 1 / 8 to 1 / 6 of a circle; preferably, the arcuate needle segment 12 has an arcuate structure of π / 4 rad (i.e., 1 / 8 of a circle), 2π / 7 rad (i.e., 1 / 7 of a circle) or π / 3 rad (i.e., 1 / 6 of a circle).

[0020] Continue to refer to Figure 1 , the length of the straight needle segment 11 is 5 to 8 cm; preferably, the length of the straight needle segment 11 is 5.0 cm, 5.5 cm, 6.0 cm, 6.5 cm, 7.0 cm or 8.0 cm.

[0021] Reference Figure 1The method of using the suture needle is as follows: the suture thread 2 is installed at the needle tail end 121 of the arc-shaped needle segment 12, the operator first fixes the suture part of the tissue to be sutured, and then uses surgical forceps to first clamp the middle part of the straight needle segment 11 to control the needle tip 111 to penetrate the tissue, and then gradually puncture the needle tip 111 by changing the clamping position of the straight needle segment 11. When the straight needle segment 11 is close to or has penetrated the thick tissue, the surgical forceps clamp the arc-shaped needle segment 12 to advance the suture needle body 1 so that the direction of the needle tip 111 changes until the operator can clearly see the needle tip 111, and then further advance the arc-shaped needle segment 12 or clamp the needle tip 111 to pull the suture needle body 1 in the thick tissue. When the suture needle body 1 is separated from the tissue, a penetration operation is completed. The suture needle is provided with a straight needle section 11 having a needle tip 111, so that the puncture stroke of the straight needle section 11 is a straight path, which is convenient for the operator to accurately control the puncture direction of the needle tip 111. The straight needle section 11 can penetrate most thick tissues in a straight line, and the guiding effect of the smoothly transitioned arc-shaped needle section 12 entering the tissue can realize the adjustment control of the travel direction of the straight needle section 11, which is more convenient for suturing operations on thicker tissues.

[0022] The above is only a specific implementation method of the utility model, but the design concept of the utility model is not limited to this. Any non-substantial changes to the utility model using this concept shall be deemed as an infringement of the protection scope of the utility model.

Claims

1. A surgical suture needle for suturing thick tissues, comprising a suture needle body having a needle tip and a needle tail, wherein the needle tail is used to connect a suture thread; characterized in that: The sewing needle body is composed of a straight needle section and an arc-shaped needle section connected as a whole, the needle tip is arranged at the outer end of the straight needle section, and the needle tail is arranged at the outer end of the arc-shaped needle section.

2. The surgical suturing needle for suturing thick tissue as claimed in claim 1, characterized in that: The connection between the straight needle segment and the arc-shaped needle segment is a connecting segment, which smoothly transitions the straight needle segment and the arc-shaped needle segment into one.

3. The surgical suturing needle for thick tissue suturing as claimed in claim 1, characterized in that: The angle formed at the connection point between the straight needle segment and the arc-shaped needle segment is 105-150°.

4. The surgical suturing needle for suturing thick tissue as claimed in claim 3, characterized in that: The angle formed by the connection between the straight needle segment and the arc-shaped needle segment is 105-135°.

5. The surgical suturing needle for suturing thick tissues as claimed in claim 4, characterized in that: The angle formed by the connection between the straight needle segment and the arc-shaped needle segment is 105°, 110°, 115°, 120°, 125°, 130° or 135°.

6. The surgical suturing needle for facilitating thick tissue suturing as claimed in claim 1, characterized in that: The arc angle of the arc-shaped needle segment is π / 4 to π / 3 rad.

7. The surgical suturing needle for suturing thick tissues as claimed in claim 6, characterized in that: The arc angle of the arc-shaped needle segment is π / 4 rad, 2π / 7 rad or π / 3 rad.

8. The surgical suturing needle for thick tissue suturing as claimed in claim 1, characterized in that: The length of the straight needle section is 5 to 8 cm.

9. The surgical suturing needle for suturing thick tissues as claimed in claim 8, characterized in that: The length of the straight needle section is 5.0 cm, 5.5 cm, 6.0 cm, 6.5 cm, 7.0 cm or 8.0 cm.

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