CN205433785U - Novel medical surgical suture needle and line - Google Patents

Abstract

The utility model discloses a novel suture needle and thread for medical operation, which comprises a suture and a sewing needle. The head of the suture is connected with the tail of the sewing needle, and the tail of the sewing needle is provided with a clamping device. The threading hole and the fixing groove, the threading hole runs through the tail of the sewing needle, one end of the lead seam communicates with the threading hole, and the other end runs through the outer surface of the sewing needle, the fixing groove includes an open end and a closed end, the open end communicates with the threading hole, and the closed end It is located near the top of the tail of the needle; the suture includes suture base layer, elastic fiber layer and antibacterial coating from the inside to the outside, and the outer surface of the antibacterial coating is evenly distributed with barbs; the suture The tail is provided with a suturing fixed end, and the head of the suture passes through the lead seam and the threading hole in turn and is fixedly connected in the fixing groove. The utility model solves the problems that the existing sutures have low strength, are prone to allergies, the sutures are easy to slip, the threading of sutures and sewing needles is troublesome, and the sutures are easy to fall off from the sewing needles.

Description

A New Type of Medical Surgical Suture Needle and Thread

technical field

The utility model relates to the field of suture needles and threads, in particular to a novel medical operation suture needles and threads.

Background technique

At present, the surgical suture needles and threads used in medical operations, trauma, and plastic surgery are roughly divided into two types: the needle body and suture thread integrated type or the needle body and suture thread artificial threading type. The needle body and suture thread are integrally connected mainly by riveting or It is connected by vacuum compression, and the tail of the needle body that requires manual threading generally has an oval-shaped closed pinhole. When using it, it is necessary to pass the suture through the pinhole, fold back the looped thread, and fix it with a needle holder before proceeding. sewing operation.

The current artificial threading type suture needle thread has the following disadvantages: (1) the medical suture needle threading is troublesome, the threading time is long, the back thread is easy to fall off, and the fixation between the suture needle and the suture thread is not tight enough, which affects the speed and quality of the surgical operation ; (2) The traditional surgical suture suture method must tie the suture and fix it, but because it must be tied individually, the operation time is relatively long, and the knot that is achieved will tend to be untied automatically as time goes by, In addition, knotting may also cause local bleeding near the tissue; (3) The current sutures are mainly divided into two categories, one is non-absorbable sutures and the other is absorbable sutures. All the similar sutures have disadvantages such as low breaking strength and certain irritation.

Therefore, it is necessary to propose a new technical solution to solve the above problems.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and propose a new type of suture needle and thread for medical operation, which solves the problem of low breaking strength of the existing suture needle and thread, easy allergies, easy slipping of the suture thread, troublesome threading of the suture thread and the sewing needle and sewing The problem that the thread is easy to fall off from the sewing needle.

In order to solve the above technical problems, the utility model provides a novel medical surgical suture needle and thread, including a suture and a sewing needle, the head of the suture is fixedly connected with the tail of the sewing needle, and the tail of the sewing needle A thread clamping device is provided, and the thread clamping device includes a lead seam, a threading hole and a fixing groove, the threading hole runs through the tail of the sewing needle, one end of the thread leading seam communicates with the threading hole, and the other end passes through the threading hole. The outer surface of the needle, the fixing groove includes an open end and a closed end, the open end communicates with the threading hole, and the closed end is located at the top of the tail of the needle near the tail of the needle; the seam The thread includes a suture matrix layer, an elastic fiber layer and an antibacterial coating in sequence from the inside to the outside, and barbs are uniformly distributed on the outer surface of the antibacterial coating; The head of the head is fixedly connected in the fixing groove after passing through the lead seam and the threading hole in sequence.

Preferably, the fixing groove is located directly above the threading hole, and the length of the fixing groove is less than the distance from the top of the threading hole to the top of the tail of the needle.

Preferably, the inner surface of the fixing groove is provided with granular or serrated protrusions.

Preferably, the section of the lead seam is arc-shaped.

Further, the outer surface of the sewing needle near the tail of the sewing needle is provided with anti-slip lines.

Preferably, the sewing needle is arc-shaped, and the arc of the sewing needle is 120°-180°.

Preferably, the barb is arranged obliquely toward the direction of the sewing needle.

Preferably, the cross section of the suture is a circle or a regular polygon, the shape of the suture fixing end is the same as the shape of the cross section of the suture, and the area of the suture fixing end is larger than that of the cross section of the suture. area.

Preferably, the thickness of the suture fixing end is 1mm-3mm.

Further, the sewing needle is a round needle or an angle needle.

The novel medical surgical suture thread of the present utility model has the following beneficial effects:

1. The tail of the sewing needle of the present utility model has a thread clamping device, and the thread clamping device includes a lead seam, a threading hole and a fixing groove, and the two groove surfaces of the fixing groove are provided with granular or serrated protrusions , so that it forms a rough surface, and the existence of the protrusion makes the fixing groove normally in a tight fit state. After the head of the suture passes through the lead seam and the threading hole in turn, it quickly clamps the final part of the fixing groove under the action of external force. The inner end is strong, and the thread end is not easy to fall off.

2. The suture of the present invention includes a suture matrix layer, an elastic fiber layer and an antibacterial coating from the inside to the outside in sequence. The suture has high strength and has the functions of sterilizing and inhibiting bacteria.

3. Barbs are evenly distributed on the outer surface of the antibacterial coating of the present invention, and the tail of the suture is provided with a suture fixed end. The existence of the barb and the suture fixed end can solve the problem of suture slipping and knotting in the suture process The problem.

4. The outer surface of the suture needle of the present utility model near the tail of the suture needle is provided with anti-skid lines, which increase the friction between the suture needle and the needle holder, making it difficult for the suture needle to fall out of the needle holder To ensure the normal operation of the operation.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some of the utility models. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative work.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic structural view of the clamping device of the present utility model;

Fig. 3 is the cross-sectional structure schematic diagram of suture of the present utility model;

Fig. 4 is a partially enlarged view of the fixing groove of the present invention.

Wherein, the reference numerals in the figure correspond to: 1-suture, 11-suture matrix layer, 12-elastic fiber layer, 13-antibacterial coating, 2-sewing needle, 3-thread clamping device, 31-leading thread seam, 32-threading hole, 33-fixing groove, 331-open end, 332-closed end, 4-barb, 5-sewing fixed end, 6-anti-slip pattern, 7-protrusion.

detailed description

The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

As shown in Figure 1, the utility model discloses a new type of suture needle and thread for medical operation, including a suture 1 and a suture needle 2, the head of the suture 1 is fixedly connected with the tail of the suture needle 2, and the The sewing needle 2 is a round needle or an angle needle, and the sewing needle 2 is an arc with a radian of 120°-180°. The outer surface of the sewing needle 2 near the tail of the sewing needle is provided with an anti-slip pattern 6, and the setting of the anti-slip pattern The friction force between the sewing needle and the needle holding forceps is increased, and the sewing needle is not easy to drop from the needle holding forceps, thereby ensuring the normal operation of the operation.

As shown in Fig. 1, Fig. 2 and Fig. 4, the tail of the sewing needle 2 is provided with a thread clamping device 3, and the thread clamping device 3 includes a lead seam 31 with an arc-shaped cross section, a threading hole 32 and a fixing groove 33, The threading hole 32 runs through the tail of the sewing needle 2, one end of the lead seam 31 communicates with the threading hole 32, and the other end runs through the outer surface of the sewing needle 2, and the fixing groove 33 is arranged on the Directly above the threading hole 32, the fixing groove 33 includes an open end 331 and a closed end 332, the open end 331 communicates with the threading hole 32, and the closed end 332 is located at the top of the sewing needle tail near the sewing needle tail. Positionally, the length of the fixing groove 33 is less than the distance from the top of the threading hole 32 to the top of the needle tail, and the inner surface of the fixing groove 33 is provided with granular or serrated protrusions 7, It forms a rough surface, and the existence of the protrusion 7 makes the fixing groove 33 normally in a tight fit state, allowing sutures to enter under the action of external force.

As shown in Fig. 3, the suture 1 comprises a suture matrix layer 11, an elastic fiber layer 12 and an antibacterial coating 13 from the inside to the outside, the suture matrix layer 11 is absorbable or non-absorbable suture, the Elastic fiber layer 12 is made of fiber material, increases the tensile strength of suture, and described antibacterial coating 13 contains macromolecular absorbable materials such as chitosan or polylactic acid and antimicrobial drugs such as levofloxacin or levofloxacin hydrochloride, has bactericidal and antibacterial properties. The role of bacteria.

Continue as shown in Figure 1, the outer surface of the antibacterial coating 13 is evenly distributed with barbs 4 inclined towards the direction of the suture needle 2; the tail of the suture 1 is provided with a suture fixed end 5, the The cross section of the suture 1 is a circle or a regular polygon, and the shape of the suture fixed end 5 is the same as the shape of the cross section of the suture 1, and the area of the suture fixed end 5 is larger than the cross section of the suture 1. The area of the cross-section, the thickness of the suturing fixed end 5 is 1mm-3mm, the existence of the barb 4 and the suturing fixed end 5 can solve the problems of suture thread slipping and knotting during suturing.

When in use, the head of the suture 1 enters the threading hole 32 after passing through the lead seam 31, and then the head of the suture enters the innermost end of the fixing groove 33 under the action of an external force , relying on the elasticity of the needle material itself and the effect of the protrusion 7, the head of the suture 1 is pressed tightly so that it is not easy to slip off, the fixation is better and the threading is easier.

The novel medical surgical suture thread of the present utility model has the following beneficial effects:

1. The tail of the sewing needle of the present utility model has a thread clamping device, and the thread clamping device includes a lead seam, a threading hole and a fixing groove, and the two groove surfaces of the fixing groove are provided with granular or serrated protrusions , so that it forms a rough surface, and the existence of the protrusion makes the fixing groove normally in a tight fit state. After the head of the suture passes through the lead seam and the threading hole in turn, it quickly clamps the final part of the fixing groove under the action of external force. The inner end is strong, and the thread end is not easy to fall off.

2. The suture of the present invention includes a suture matrix layer, an elastic fiber layer and an antibacterial coating from the inside to the outside in sequence. The suture has high strength and has the functions of sterilizing and inhibiting bacteria.

3. Barbs are evenly distributed on the outer surface of the antibacterial coating of the present invention, and the tail of the suture is provided with a suture fixed end. The presence of the barb and the suture fixed end can solve the problem of suture slipping and knotting during suture The problem.

4. The outer surface of the suture needle of the present utility model near the tail of the suture needle is provided with anti-skid lines, which increase the friction between the suture needle and the needle holder, making it difficult for the suture needle to fall out of the needle holder To ensure the normal operation of the operation.

What is disclosed above is only a preferred embodiment of the utility model, and of course it cannot limit the scope of rights of the utility model. Therefore, the equivalent changes made according to the claims of the utility model still belong to the scope covered by the utility model .

Claims (10)

1. a novel Medical surgical suture-needle line, including suture (1) and suture needle (2), the head of described suture (1) is fixing with the afterbody of described suture needle (2) to be connected, it is characterised in that

The afterbody of described suture needle (2) is provided with card line apparatus (3), described card line apparatus (3) includes lead-in wire seam (31), through wires hole (32) and fixing groove (33), described through wires hole (32) runs through the afterbody of described suture needle (2), one end of described lead-in wire seam (31) communicates with described through wires hole (32), the other end runs through the outer surface of described suture needle (2), described fixing groove (33) includes opening (331) and blind end (332), described opening (331) communicates with described through wires hole (32), described blind end (332) is positioned at suture needle afterbody on the position on the top of suture needle afterbody；

Described suture (1) includes suture base layer (11), elastic fibrous layer (12) and antimicrobial coating (13) the most successively, and the outer surface of described antimicrobial coating (13) is evenly distributed with agnail (4)；The afterbody of described suture (1) is provided with the fixing end (5) of stitching, and the head of described suture (1) is fixedly connected in described fixing groove (33) after sequentially passing through described lead-in wire seam (31) and through wires hole (32).

Novel Medical surgical suture-needle line the most according to claim 1, it is characterized in that, described fixing groove (33) is positioned at the surface of described through wires hole (32), and the length of described fixing groove (33) is less than the top distance to the top of suture needle afterbody of described through wires hole (32).

Novel Medical surgical suture-needle line the most according to claim 1 and 2, it is characterised in that the inner surface of described fixing groove (33) is provided with the projection (7) of graininess or serration shape.

Novel Medical surgical suture-needle line the most according to claim 3, it is characterised in that the cross section of described lead-in wire seam (31) is curved.

5. according to the novel Medical surgical suture-needle line described in claim 1,2 or 4, it is characterised in that described suture needle (2) is provided with anti-slip veins (6) on the outer surface of suture needle afterbody.

Novel Medical surgical suture-needle line the most according to claim 5, it is characterised in that described suture needle (2) is arc, the radian of described suture needle (2) is 120 °-180 °.

Novel Medical surgical suture-needle line the most according to claim 6, it is characterised in that described agnail (4) is obliquely installed towards the direction of described suture needle (2).

Novel Medical surgical suture-needle line the most according to claim 7, it is characterized in that, the cross section of described suture (1) is circular or regular polygon, the shape of the fixing end (5) of described stitching is identical with the shape of the cross section of described suture (1), and the area of the fixing end (5) of described stitching is more than the area of the cross section of described suture (1).

Novel Medical surgical suture-needle line the most according to claim 8, it is characterised in that the thickness of the fixing end (5) of described stitching is 1mm-3mm.

10. according to the novel Medical surgical suture-needle line described in any one claim in claim 6-9, it is characterised in that described suture needle (2) is round needle or angular pin.