CN209360779U - A kind of purse-string suture device - Google Patents

Abstract

A purse string stapler, comprising a hinged first pliers arm and a second pliers arm, a first rack is provided at the end of the first pliers arm, a second rack is provided at the end of the second pliers arm, the first rack A first boss and a second boss are correspondingly provided on the end faces of the second rack facing each other, and a first through hole and a second through hole are respectively arranged on the first rack and the second rack, and the first through hole Through each first boss, the second through hole runs through each second boss. The utility model has a simple structure, can quickly suture the parts that need to be operated, and simplifies the operation process. The grooves formed by the set bosses can effectively increase the contact surface with the tissue, and prevent the tissue from overflowing when the purse is tied. The purse string is completely formed; the clamping force of the first tong arm and the second tong arm can be adjusted by adjusting the position of the ring-shaped baffle on the outer wall of the spring, so that the structure can meet various clamping force requirements and reduce It reduces the difficulty of operation implementation, is easy to popularize, and has broad prospects for implementation.

Description

A purse-string suturing device

Technical field:

The utility model relates to the technical field of medical instruments, in particular to a purse suturing device.

Background technique:

During surgical operations, a medical instrument is often used for suturing the surgical site—surgical purse suturing device. The performance of the instrument directly affects the surgical process and plays a very important role in the surgical effect. Especially in laparoscopic surgery, medical personnel mainly use endoscopes and various imaging techniques to enable surgeons to perform operations without causing huge wounds to patients. Compared with open surgery, laparoscopic surgery has significant advantages such as less tissue damage and faster postoperative recovery, which has become a development trend. In this case, it is more necessary to propose a more applicable purse-string stapler to meet actual usage requirements.

Utility model content:

The purpose of the utility model is to provide a purse-string suturing device, which can complete the purse-string suturing, so as to simplify the surgical operation process on the lumen tissue during laparoscopic surgery.

In order to achieve the above object, the utility model adopts the following technical solutions:

A purse-string suture device provided by the utility model includes a first tong arm and a second tong arm, the first tong arm and the second tong arm are hinged, and the end of the first tong arm is provided with a first rack , the end of the second tong arm is provided with a second rack, the first rack and the second rack are arranged in parallel, and the end faces of the first rack and the second rack facing each other are correspondingly provided with the first rack. A boss and a second boss, when the first rack and the second rack are engaged, a groove is formed adjacent to the first boss and the second boss, and the first rack A first through hole and a second through hole are respectively arranged on the rack and the second rack, the first through hole runs through each of the first bosses, and the second through hole runs through each of the second bosses. tower.

The first boss and the second boss have the same structure, and their cross-sectional shapes are both circular or square.

The first rack and the second rack are respectively fixed on the first tong arm and the second tong arm.

The ends of the first tong arm and the second tong arm close to the first rack and the second rack are respectively provided with rotating rods, and the ends of the rotating rods are fixedly connected to the first rack or the second rack. Two racks.

The end surfaces of the first rack and the second rack far away from each other are respectively provided with mounting grooves, and the inner wall of the mounting grooves is provided with protrusions, and the ends of the first pincer arm and the second pincer arm are inserted into the in the mounting slot described above.

The end surfaces of the first rack and the second rack far away from each other are respectively provided with installation grooves, the inner wall of the installation groove is provided with internal threads, and the ends of the first pincer arm and the second pincer arm are provided with external threads , the ends of the first tong arm and the second tong arm are screwed into the installation groove.

One end of the first pliers arm and the second pliers arm away from the first rack and the second rack is connected as a whole through a torsion spring, and mounting pins are provided on the first pliers arm and the second pliers arm respectively. hole.

One end of the first tong arm and the second tong arm away from the first rack and the second rack is respectively provided with a first connecting plate and a second connecting plate, between the first connecting plate and the second connecting plate There are springs between them.

The outer wall of the spring is covered with an annular blocking piece.

The first through hole communicates with the second through hole, and a through groove is formed between the first rack and the second rack.

The utility model has the beneficial effects of a purse suturing device: the application has a simple structure, and is convenient to manufacture and install. When used in surgery, the structure can quickly suture the parts that need to be operated, which simplifies the operation process. At the same time, the groove formed by the set boss can effectively increase the contact surface with the tissue, prevent the overflow of the tissue when the purse is tied, and finally the purse is stitched and formed completely; it can also be adjusted by adjusting the ring around the outer wall of the spring The position of the stopper, and then adjust the clamping force of the first forceps arm and the second forceps arm, so that the structure can meet various clamping force requirements, reduce the difficulty of operation, facilitate popularization, and have broad prospects for implementation.

Description of drawings:

Fig. 1 is a schematic structural view of a purse-string suturing device according to Embodiment 1 of the present invention;

Fig. 2 is a front view of a purse-string stapler shown in Fig. 1;

Fig. 3 is a schematic structural view of a purse-string suturing device according to Embodiment 2 of the present invention;

In the figure: 1-first clamp arm, 2-second clamp arm, 3-first rack, 4-second rack, 5-first boss, 6-second boss, 7-groove, 8-first through hole, 9-second through hole, 10-through slot, 11-torsion spring, 12-first connecting plate, 13-second connecting plate, 14-spring, 15-ring stopper.

Detailed ways:

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, 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 scope of protection of the present utility model.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

In addition, the descriptions related to "first", "second" and so on in the present application are only for the purpose of description, and should not be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

Embodiment one

According to Fig. 1-shown in Fig. 2, a kind of purse-string suturing device provided by the utility model comprises the first forceps arm 1 and the second forceps arm 2, and described first forceps arm 1 and the second forceps arm 2 are hinged, so The end of the first tong arm 1 is provided with a first rack 3, the end of the second tong arm 2 is provided with a second rack 4, the first rack 3 and the second rack 4 are arranged in parallel, and The end faces of the first rack 3 and the second rack 4 facing each other are provided with a first boss 5 and a second boss 6 correspondingly. When the first rack 3 and the second rack 4 are engaged, A groove 7 is formed adjacent to the first boss 5 and the second boss 6, and the first rack 3 and the second rack 7 are respectively provided with a first through hole 8 and a second through hole 9. The first through hole 8 runs through each of the first bosses 5, the second through hole 9 runs through each of the second bosses 6, and the first through hole 8 and the first boss The two through holes 9 communicate with each other, and a through groove 10 is formed between the first rack 3 and the second rack 4, and the first pliers arm 1 and the second pliers arm 2 are far away from the first rack 3 and the second rack 4. One end of the second rack 4 is connected as a whole by a torsion spring 11 , and installation holes are respectively opened on the first pliers arm 1 and the second pliers arm 2 .

In this embodiment, the first through hole 8 and the second through hole 9 have the same structure, and their cross-sectional shapes are both circular or square.

In one of the embodiments, the first rack 3 and the second rack 4 are fixedly arranged on the first pliers arm 1 and the second pliers arm 2 respectively, and in another embodiment, the The ends of the first tong arm 1 and the second tong arm 2 near the first rack 3 and the second rack 4 are respectively provided with rotating rods, and the ends of the rotating rods are affixed to the first rack 3 or the second rack 4.

In this embodiment, the first boss 5 and the second boss 6 have the same structure, and their cross-sectional shapes are both circular or square.

In one of the embodiments, the first rack 3 and the second rack 4 are respectively provided with installation grooves on the end faces away from each other, and the inner wall of the installation grooves is provided with protrusions, and the first pliers arm 1 and the second The ends of the two pliers arms 2 are inserted into the installation grooves; in another embodiment, installation grooves are respectively opened on the end faces of the first rack 3 and the second rack 4 away from each other, and the installation The inner wall of the groove is provided with internal threads, the ends of the first pliers arm 1 and the second pliers arm 2 are provided with external threads, and the ends of the first pliers arms 1 and the second pliers arms 2 are screwed to the mounting In the groove, here, it is only a specific example of the two connection methods between the first tong arm 1 and the first rack 3, and the second tong arm 2 and the second rack 4, to assist the overall understanding of the structure, but not Constituting the limitation of the present utility model, the above-mentioned connection methods can also have other various types according to the actual situation.

When using the purse-string suturing device of the present utility model, the purse-string suturing device can be placed on the position where the purse-string suturing device needs to be ligated through the operation hole under the endoscope, and only the purse-string suturing device It is left in the body for the next suture operation, which saves the operation space and facilitates the operation.

Embodiment two:

As shown in Fig. 3, a purse-string suture provided by the utility model includes a first pliers arm 1 and a second pliers arm 2, the first pliers arm 1 and the second pliers arm 2 are hinged, and the first pliers arm 2 is hinged. The end of the pliers arm 1 is provided with a first rack 3, the end of the second pliers arm 2 is provided with a second rack 4, the first rack 3 and the second rack 4 are arranged in parallel, and the first The end faces of the first rack 3 and the second rack 4 facing each other are provided with a first boss 5 and a second boss 6 correspondingly. When the first rack 3 and the second rack 4 are engaged, the adjacent racks The first boss 5 and the second boss 6 surround and form a groove 7, and the first rack 3 and the second rack 4 are respectively provided with a first through hole 8 and a second through hole 9, so The first through hole 8 runs through each of the first bosses 5, the second through hole 9 runs through each of the second bosses 6, and the first through hole 8 and the second through hole 9, a through groove 10 is formed between the first rack 3 and the second rack 4, and the first pliers arm 1 and the second pliers arm 2 are far away from the first rack 3 and the second rack One end of the bar 4 is provided with a first connecting plate 12 and a second connecting plate 13 respectively, and a spring 14 is arranged between the first connecting plate 12 and the second connecting plate 13 .

In this embodiment, the outer wall of the spring 14 is covered with an annular stopper 15. By adjusting the position of the annular stopper surrounded by the outer wall of the spring, the clamping force of the first tong arm and the second tong arm is adjusted, so that Structures are available to suit a wide range of clamping force needs.

In this embodiment, the first through hole 8 and the second through hole 9 have the same structure, and their cross-sectional shapes are both circular or square.

In one of the embodiments, the first rack 3 and the second rack 4 are fixedly arranged on the first pliers arm 1 and the second pliers arm 2 respectively, and in another embodiment, the The ends of the first tong arm 1 and the second tong arm 2 near the first rack 3 and the second rack 4 are respectively provided with rotating rods, and the ends of the rotating rods are affixed to the first rack 3 or the second rack 4.

In this embodiment, the first boss 5 and the second boss 6 have the same structure, and their cross-sectional shapes are both circular or square.

In one of the embodiments, the first rack 3 and the second rack 4 are respectively provided with installation grooves on the end faces away from each other, and the inner wall of the installation grooves is provided with protrusions, and the first pliers arm 1 and the second The ends of the two pliers arms 2 are inserted into the installation grooves; in another embodiment, installation grooves are respectively opened on the end faces of the first rack 3 and the second rack 4 away from each other, and the installation The inner wall of the groove is provided with internal threads, the ends of the first pliers arm 1 and the second pliers arm 2 are provided with external threads, and the ends of the first pliers arms 1 and the second pliers arms 2 are screwed to the mounting In the groove, here, it is only a specific example of the two connection methods between the first tong arm 1 and the first rack 3, and the second tong arm 2 and the second rack 4, to assist the overall understanding of the structure, but not Constituting the limitation of the present utility model, the above-mentioned connection methods can also have other various types according to the actual situation.

When using a purse-string stapler of the present utility model, this example can adjust the required clamping force through the combination of the spring 14 and the annular blocking plate 15, and then use the open clamp applicator to place the purse-string stapler through the operation hole where it needs to be. For the purse-string ligation site, after withdrawing the clip applier, only the purse-string stapler is left in the body for the next operation, which saves the operation space and facilitates the operation.

It should be noted that the two embodiments described above describe different mechanism combinations, such as the device for adjusting the clamping force in the embodiments. The structural combination described in the embodiment is not fixed, but can be combined freely, for example, the design of the device for adjusting the clamping force can also appear in the first embodiment.

The purse suturing device of the utility model has simple structure and is convenient to manufacture and install. When used in surgical operations, the structure can quickly sew up the parts that need to be operated, simplifying the operation process, and when tying the purse on the tissue parts, the set convex The grooves formed around the platform can effectively increase the contact surface with the tissue, prevent the overflow of the tissue when the purse is tied, and finally the purse is stitched and formed completely; it can also be adjusted by adjusting the position of the ring-shaped block surrounded by the outer wall of the spring, and then Adjusting the clamping force of the first clamp arm and the second clamp arm makes the structure suitable for various clamping force requirements, reduces the difficulty of operation implementation, facilitates popularization, and has broad implementation prospects.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present utility model can still be The specific implementation of the utility model is modified or equivalently replaced, and any modification or equivalently replaced without departing from the spirit and scope of the utility model shall be covered by the scope of the present claims.

Claims (10)

1. A purse-string stapler, characterized in that: it comprises a first pliers arm and a second pliers arm, the first pliers arm and the second pliers arm are hinged, and the end of the first pliers arm is provided with a first tooth The end of the second tong arm is provided with a second rack, the first rack and the second rack are arranged in parallel, and the end faces of the first rack and the second rack facing each other are correspondingly provided with The first boss and the second boss, when the first rack and the second rack are engaged, a groove is formed adjacent to the first boss and the second boss, and the first tooth The bar and the second rack are also respectively provided with a first through hole and a second through hole, the first through hole runs through each of the first bosses, and the second through hole runs through each of the second Boss. 2. A purse-string suturing device according to claim 1, characterized in that: the first boss and the second boss have the same structure, and their cross-sectional shapes are both circular or square. 3 . The purse string stapler according to claim 1 , wherein the first rack and the second rack are fixedly arranged on the first arm and the second arm respectively. 4 . 4. A purse string stapler according to claim 3, characterized in that: the ends of the first tong arm and the second tong arm close to the first rack and the second rack are respectively provided with rotating rods , the end of the rotating rod is fixedly connected to the first rack or the second rack. 5. A purse string stapler according to claim 3, characterized in that: the end faces of the first rack and the second rack far away from each other are respectively provided with installation grooves, and the inner walls of the installation grooves are provided with protrusions , the ends of the first tong arm and the second tong arm are inserted into the installation groove. 6. A purse string stapler according to claim 3, characterized in that: the end faces of the first rack and the second rack far away from each other are respectively provided with installation grooves, and the inner walls of the installation grooves are provided with internal threads The ends of the first tong arm and the second tong arm are provided with external threads, and the ends of the first tong arm and the second tong arm are screwed into the installation groove. 7. A purse string stapler according to claim 1, characterized in that: the ends of the first pliers arm and the second pliers arm away from the first rack and the second rack are connected as a whole by a torsion spring , and mounting holes are respectively opened on the first tong arm and the second tong arm. 8. A purse string stapler according to claim 1, characterized in that: the ends of the first pliers arm and the second pliers arm away from the first rack and the second rack are respectively provided with a first connection plate and the second connecting plate, and a spring is arranged between the first connecting plate and the second connecting plate. 9. A purse-string stapler according to claim 8, characterized in that: the outer wall of the spring is sheathed with an annular stopper. 10. A purse-string stapler according to any one of claims 1-9, characterized in that: the first through hole communicates with the second through hole, and the first rack and the second Through grooves are formed between the racks.