CN210408499U

CN210408499U - Purse-string suturing device under scope

Info

Publication number: CN210408499U
Application number: CN201920185254.3U
Authority: CN
Inventors: 王海燕; 徐涛; 祝丽丽
Original assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Current assignee: Peking Union Medical College Hospital Chinese Academy of Medical Sciences
Priority date: 2019-02-01
Filing date: 2019-02-01
Publication date: 2020-04-28
Anticipated expiration: 2029-02-01

Abstract

The utility model relates to the field of medical equipment, a purse-string suturing device under scope is disclosed, including handheld portion (1), with outer sheath pipe (2), work portion (3) and suturing device (4) that the one end of handheld portion (1) is connected, outer sheath pipe (2) are kept away from the one end of handheld portion (1) is equipped with and holds chamber (2a), it is suitable for and holds to hold chamber (2a) work portion (3) with suturing device (4). The utility model discloses a purse-string suture device under scope simple structure, the simple operation.

Description

Purse-string suturing device under scope

Technical Field

The utility model relates to the field of medical equipment, specifically relate to a purse-string suture device under scope.

Background

In recent years, with the wide development of various treatment operations under an endoscope, especially the continuous maturation and perfection of new technologies such as Endoscopic Submucosal Dissection (ESD), the range of lesions excised under the endoscope is continuously enlarged, and the excised lesions are enlarged to interstitial tumor, lipoma, carcinoid and the like, so that the postoperative wound surface suture technology becomes one of the determining factors for determining the success of the operation and effectively reducing the postoperative local perforation and infection probability. The existing titanium clip under the endoscope has the defect that the wound is difficult to be closed by using the titanium clip alone if the wound surface is large due to the limited opening angle of the clip arm.

The gastrointestinal hemorrhage and the gastrointestinal perforation are common diseases in the current endoscopic surgery, and the current endoscopic main closing method comprises the following steps: titanium clip closures, titanium clip and nylon string purse string sutures, Over-The-Scope-clip (otsc) system, and some foreign suturing instruments (overbatch, eagle (w), etc.). But large wounds cannot be closed because titanium clips and OTSCs are limited by the open size; however, suturing instruments such as OVERTItch are expensive, complex to operate and long in suturing time.

In view of this, a need exists for an endoscopic purse-string suturing device that ensures convenient operation by a doctor during endoscopic surgery, is not prone to infection, and facilitates rehabilitation of a patient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a purse-string suture device under scope is provided, this purse-string suture device easy operation under scope, and it is internal that the repeated business turn over patient that does not need reduces the probability of infecting.

In order to achieve the above object, the utility model provides a purse-string suturing device under scope, including handheld portion, with outer sheath pipe, work portion and suturing device that the one end of handheld portion is connected, outer sheath pipe is kept away from the one end of handheld portion is equipped with and holds the chamber, it is suitable for holding to hold the chamber the work portion with suturing device.

Preferably, the hand-held part comprises a shell, a first finger ring and a second finger ring, and a hollow structure is arranged in a central area of one end of the shell, which is connected with the outer sheath tube, along the axial direction.

More preferably, the central region of the outer sheath tube is axially penetrated by a channel.

As a preferable structure of the present invention, a connection structure is provided in the channel, the first finger ring and the second finger ring pass through the hollow structure and one end of the connection structure are connected, and the other end of the connection structure is connected to the working portion.

As another preferred structural style of the present invention, the suturing device includes a suturing body and a lock catch, a plurality of through holes are provided on the lock catch, the suturing body is an integrated annular structure, and the suturing body passes through the lock catch to form a first sleeve ring and a second sleeve ring.

More preferably, the suturing body is formed from nylon.

As a specific structural style of the utility model, the work portion includes first clamping jaw and second clamping jaw, the one end of first clamping jaw with the one end of second clamping jaw is connected, the other end of first clamping jaw with be equipped with anti-skidding structure on the face of the other end of second clamping jaw mutual contact.

As another specific structure form of the present invention, the working portion further includes an elastic device thereon.

Through the technical scheme, the utility model discloses a purse-string suturing device under scope include handheld portion, with outer sheath pipe, work portion and suturing device that the one end of handheld portion is connected, outer sheath pipe is kept away from the one end of handheld portion is equipped with and holds the chamber, it can hold to hold the chamber the work portion with suturing device to this can once only deliver to the position that needs to sew up suturing device together with work portion, avoids passing in and out many times and prolongs the suture time, increases the risk of infecting.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention in a state where a working portion is opened;

fig. 2 is a schematic structural view of a closed working portion according to an embodiment of the present invention;

fig. 3 is a partial enlarged view of the outer sheath when the working portion is closed according to an embodiment of the present invention;

fig. 4 is a partial enlarged view of the outer sheath when the working portion is opened according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a suturing device according to an embodiment of the present invention.

Description of the reference numerals

1 hand-held part 11 casing

12 first finger ring 13 second finger ring

2 outer sheath tube 2a containing cavity

2b channel 3 working part

31 first jaw 32 second jaw

4 stitching device 4a first collar

4b second collar 41 suture body

42 lock catch 5 connecting structure

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, and therefore the features defined "first", "second" may explicitly or implicitly include one or more of said features.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 and 2, the purse-string suture device under endoscope of the present invention comprises a hand-held portion 1, an outer sheath tube 2 connected to one end of the hand-held portion 1, a working portion 3 and a suture device 4; as shown in fig. 3 and 4, an accommodating cavity 2a is provided at an end of the outer sheath 2 away from the handheld portion 1, and the accommodating cavity 2a is adapted to accommodate the working portion 3 and the suturing device 4.

Meanwhile, the handheld part 1 comprises a shell 11, a first finger ring 12 and a second finger ring 13, and a hollow structure is axially arranged in a central area of one end of the shell 11 connected with the sheath tube 2.

As a preferable structure form of the present invention, a central area of the outer sheath tube 2 is axially penetrated with a passage 2 b.

As another preferable structure form of the present invention, a connection structure 5 is provided in the channel 2b, the first finger ring 12 and the second finger ring 13 are connected to one end of the connection structure 5 through the hollow structure, and the other end of the connection structure 5 is connected to the working portion 3. The surgeon can release the suturing device 4 by manipulating the first finger ring 12 and the second finger ring 13, and can control the working part 3 to perform the suturing operation.

As shown in fig. 5, as a specific structural form of the present invention, the suturing device 4 includes a suturing body 41 and a lock catch 42, a plurality of through holes are provided on the lock catch 42, the suturing body 41 is an integrated annular structure, and the suturing body 41 passes through the lock catch 42 to form a first collar 4a and a second collar 4 b.

More specifically, suture body 41 is formed from nylon. The nylon has the advantages of no toxicity, light weight, excellent mechanical strength, wear resistance and better corrosion resistance, has very high strength after being melt-spun into filaments, and is widely used in the medical field.

As shown in fig. 4, as another specific structure form of the present invention, the working portion 3 includes a first clamping jaw 31 and a second clamping jaw 32, one end of the first clamping jaw 31 is connected with one end of the second clamping jaw 32, and an anti-slip structure is provided on a surface where the other end of the first clamping jaw 31 and the other end of the second clamping jaw 32 contact each other. Locate first clamping jaw 31 with anti-skidding structure on the contact surface of second clamping jaw 32 can guarantee that the doctor is difficult for appearing snatching the phenomenon of skidding when human tissue sews up in the operation process, reduces the operation degree of difficulty.

As another specific structure form of the present invention, the working portion 3 further comprises an elastic device, which can ensure that the doctor can repeat the operation for many times when operating the first sleeve ring 4a and the second sleeve ring 4b to control the first clamping jaw 31 and the second clamping jaw 32.

The utility model discloses a use does: in the scope operation, the doctor can excise patient's stomach pathological change position, and a wound can appear in the stomach that the patient amputated pathological change position, and the wound position can influence its speed and effect of recovering when contacting liquid such as gastric acid, consequently need keep apart liquid such as wound position and gastric acid, can select this moment the utility model discloses a purse-string suturing device sews up under the scope. In fig. 2 and 3, the purse-string suture device under endoscope of the present invention is in a closed state, and in this state, the working part 3 and the suture device 4 are all accommodated in the accommodating cavity 2a, and any one of the collars of the suture device 4 is sleeved on any one of the jaws so as to smoothly release the working part 3 and the suture device 4. When the one end that is equipped with on sheath pipe 2 and holds chamber 2a reaches the position that needs to sew up, because of first ring 12 with second ring 13 passes through hollow structure is connected to connection structure 5, connection structure 5 with work portion 3 is connected, and the doctor inserts through two fingers first ring 12 with second ring 13 is held the operation to its pinching, drives connection structure 5 at axial displacement, makes the last work portion 3 of connecting of connection mechanism 5 and the suturing device 4 of cover on it release from holding chamber 2 a. At this moment, fix first lantern ring 4a around the wound with needle and the line that the operation was sewed up, the rethread is held between the fingers first ring 12 with second ring 13 makes 3 pulling second lantern rings 4b of working portion reduce slowly first lantern ring 4a, and then will prick the position and tighten up the ligature, hasp 42 has the stopping function, can not reverse motion, and first lantern ring 4a is in last state of tightening all the time, can not take place lax phenomenon, does benefit to going on smoothly of endoscopic surgery and the recovery of patient's wound position. After suturing is complete, the device is removed from the patient. After the endoscopic surgery, the human body can fix the line of the first sleeve ring 4a after a period of time is absorbed into the human body, and the suturing device 4 can be separated from the human body and discharged along with intestinal waste, so that the subsequent rehabilitation of a patient is not influenced.

As can be seen from the above description, the utility model discloses a purse-string suture device under scope include handheld portion 1, with outer sheath pipe 2, working part 3 and suturing device 4 that handheld portion 1's one end is connected, outer sheath pipe 2 is kept away from handheld portion 1's one end is equipped with and holds chamber 2a, it can hold to hold chamber 2a working part 3 with suturing device 4 to this can once only deliver to the position that needs to sew up with suturing device 4 together with working part 3, avoids passing in and out many times extension suture time, increases the risk of infection, just the utility model discloses a purse-string suture device under scope simple operation, easily control.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a purse-string suture device under scope, characterized in that, including handheld portion (1), with sheath pipe (2), working part (3) and suturing device (4) that the one end of handheld portion (1) is connected, sheath pipe (2) are kept away from the one end of handheld portion (1) is equipped with and hold chamber (2a), it is suitable for holding to hold chamber (2a) working part (3) with suturing device (4).

2. An endoscopic purse-string suture device according to claim 1, characterized in that said hand-held portion (1) comprises a housing (11), a first finger ring (12) and a second finger ring (13), a hollow structure is provided along the axial direction in the central area of one end of said housing (11) connected with said outer sheath tube (2).

3. An endoscopic purse-string device according to claim 2, characterized in that a channel (2b) is axially penetrated through the central region of said outer sheath (2).

4. An endoscopic purse-string suture device according to claim 3, characterized in that a connecting structure (5) is provided in said channel (2b), said first finger ring (12) and said second finger ring (13) are connected to one end of said connecting structure (5) through said hollow structure, and the other end of said connecting structure (5) is connected to said working part (3).

5. The endoscopic purse-string suture device according to claim 1, wherein the suture device (4) comprises a suture body (41) and a lock catch (42), a plurality of through holes are arranged on the lock catch (42), the suture body (41) is an integral annular structure, and the suture body (41) passes through the lock catch (42) to form a first loop (4a) and a second loop (4 b).

6. An endoscopic purse-string device according to claim 5, wherein said suturing body (41) is formed of nylon.

7. The endoscopic purse-string suture device according to claim 1, characterized in that the working part (3) comprises a first clamping jaw (31) and a second clamping jaw (32), one end of the first clamping jaw (31) is connected with one end of the second clamping jaw (32), and an anti-slip structure is arranged on the surface where the other end of the first clamping jaw (31) and the other end of the second clamping jaw (32) are in contact with each other.

8. An endoscopic purse-string device according to claim 1 or 7, characterized in that said working portion (3) further comprises resilient means thereon.