CN208625767U

CN208625767U - The unidirectional traction device of decollement under a kind of endoscope mucous membrane

Info

Publication number: CN208625767U
Application number: CN201721196092.0U
Authority: CN
Inventors: 庄则豪; 连婷婷
Original assignee: 庄则豪; 连婷婷
Current assignee: Xiamen Weijing Medical Technology Co.,Ltd.
Priority date: 2017-09-18
Filing date: 2017-09-18
Publication date: 2019-03-22
Anticipated expiration: 2027-09-18

Abstract

The utility model relates to the unidirectional traction devices of decollement under endoscope mucous membrane, by the way that the rubber block being fixed on the first metal clip is arranged, pass through rubber block by the nylon wire with non-return portion；Under the action of rubber block own resilient, by gap closing to step up the nylon wire, and then the reply of non-return portion is prevented to pass through.In actual use, the first metal clip is fixed on the stomach and intestine lumen opposite side that traction can be formed with lesion or neighbouring mucous membrane, while nylon wire being connected in the lesion for having cut edge.Nylon wire free-end is pulled, tractive force is generated, the mucous membrane for making lesion cut side sufficiently exposes.The non-return portion of rubber block and nylon wire constitutes one-way brake structure, so that tractive force is kept unidirectional and continues.The problem of its structure is simple, easy to operate, and draws and stablize, and effect is good, and solving cured fish has a traction assisting device, and traction effect is poor, easy to fall off and adjusting operating difficulties.

Description

The unidirectional traction device of decollement under a kind of endoscope mucous membrane

Technical field

The utility model belongs to the field of medical instrument technology, more particularly to can carry out drawing lesion, help sufficiently exposure The unidirectionally traction of the Endoscopic submucosal dissection (endoscopic submucosal dissection, ESD) of surgical field of view is auxiliary Help device.

Background technique

ESD is a kind of widely used scope lower digestive tract mucous membrane resection technology, is removed under mucous membrane due to can achieve, Higher controllability can be achieved in vertical incisxal edge and horizontal incisxal edge both direction, be particularly suitable for larger (diameter is more than 2cm) Infantile tumour venereal disease becomes excision, and compared with other mucous membrane resection technologies, lesion complete resection rate is higher.

However, since common scope only has single service aisle, it is sudden and violent under ideal local mucous membrane relatively difficult to achieve during surgery Dew, influences surgical field of view, increases the risk of the complication such as bleeding, perforation.Traditional solutions to this problem include injection Praise method and gravitational method.The former is praised by submucosal injection repeatedly, makes full use of the limited operation visual field for praising offer every time, But injection dramatically increases operating time repeatedly, and increases anesthesia adverse events risk；The latter utilizes weight by adjusting patient body position Power keeps removed mucous membrane sagging, to obtain the preferable operation visual field in release surface, but patient may be selected in many cases, Position is limited, limits its using effect.For this purpose, various scope traction ancillary techniques come into being.

Traction ancillary technique is that lesion is pulled by some special devices, exposure lesion submucosa, consequently facilitating patient It is removed under scope.Current existing traction ancillary technique includes metal clip silk thread combined drawing technology, metal clip elastic ring joint Traction technique, S-O metal clip traction technique, magnetic anchor technology etc..

The utility model of existing number of patent application CN201120282508.7, the connection instrument equipped with connection weight, On the pathological tissues of incision, weight is connected with the connection instrument, is pulled using gravity；Number of patent application CN201620953579.8 Utility model, setting removing folder, pull traction rope drive removing folder and mucous membrane edge be detached from stomach wall, be metal clip silk thread connection The variant of traction technique is closed, thread tension is small, and metal clip often occurs in operation and falls off, and silk thread is that external traction needs weight Again into mirror, lower digestive tract lesion is inconvenient；Metal clip elastic ring combined drawing technology to operation can operating space have centainly Limitation, for the lesion application difficult at the positions such as gastroesophageal junction, pyloric canal；Though S-O metal clip traction device is without repeating Into mirror, but device production is complicated, and length is difficult to adjust；Magnetic anchor technology and pincers traction technique are at present only in animal experiment stage.

Summary of the invention

The utility model is intended to provide a kind of unidirectional traction device of decollement under endoscope mucous membrane, to solve existing lead Draw auxiliary device, traction effect is poor, easy to fall off and the problem of adjust operating difficulties.

Concrete scheme is as follows: the unidirectional traction device of decollement under a kind of endoscope mucous membrane, it is characterised in that: including One metal clip, rubber block and nylon wire；The rubber block is fixed on first metal clip, and the rubber block is perforative with one By gap, which is arranged in this and passes through in gap and through the rubber block；The nylon wire is equipped with multiple non-return portions, phase Spacing between adjacent non-return portion is greater than rubber block thickness；It should can be closed under the action of rubber block natural resiliency by gap, with Limit passing through for the non-return portion.

Further, which includes two clamp arm, and the bottom end of each clamp arm is arranged with an elastic force lantern ring；Two The elastic force lantern ring is respectively arranged on the opposite sides of the rubber block, which is fixed between two clamp arm.

Further, which is rubber material, and the two elastic force lantern rings are an integral structure with the rubber block.

Further, which is substantially in spherical beading part, which is fixed on the nylon wire.

Further, which is equidistantly uniformly arranged on the nylon wire.

It further, further include the second metal clip；One end of the nylon wire is fixed on second metal clip, and then is become Fixing end, the other end are free-end；The fixing end and the free-end are respectively arranged on the two sides of the rubber block.

Further, the fixing end of the nylon wire is equipped with a connector sleeve, for being fixedly connected with second metal clip.

The unidirectional traction device of decollement under the endoscope mucous membrane of the utility model is fixed on the first metal by setting Rubber block on folder passes through rubber block by the nylon wire with non-return portion；Under the action of rubber block own resilient, pass through gap Closing prevents the reply of the non-return portion from passing through to step up the nylon wire.In actual use, be fixed on can for the first metal clip The stomach and intestine lumen opposite side drawn or neighbouring mucous membrane are formed with lesion, while nylon wire being connected in the lesion for having cut edge. Nylon wire free-end is pulled, tractive force is generated, the mucous membrane for making lesion cut side sufficiently exposes.The non-return portion of rubber block and nylon wire One-way brake structure is constituted, so that tractive force is kept unidirectional and continues.Its structure is simple, easy to operate, and draws and stablize, and effect is good, Solving cured fish has a traction assisting device, and traction effect is poor, easy to fall off and the problem of adjust operating difficulties.

Detailed description of the invention

Fig. 1 shows the utility model embodiment structural schematic diagram.

Specific embodiment

To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.

Now in conjunction with the drawings and specific embodiments, the present invention will be further described.

As shown in connection with fig. 1, this embodiment offers a kind of unidirectional traction device of decollement under endoscope mucous membrane, the lists It include the first metal clip 1, rubber block 3 and nylon wire 8 to traction device；The rubber block 3 is fixed on first metal clip 1, And 3 central location of rubber block is perforative by gap 4 with one, which is arranged in this by gap 4 and through the rubber Blob of viscose 3.

First metal clip 1 includes two clamp arm 11, which is coplanar with, and top cooperatively forms a folder Mouthful, and the bottom end of each clamp arm 11 is arranged with the elastic force lantern ring 2 of a rubber material；The two elastic force lantern rings 2 are respectively arranged on this Opposite sides in 3 width direction of rubber block, and the elastic force lantern ring 2 is an integral structure with the rubber block 3, by the rubber block 3 are fixed between two clamp arm.

This is set to the central location of the rubber block 3 by gap 4, and the rubber block 3 is by central location to outer rim thickness It is gradually increased, to form a rubber diaphragm in central location.The nylon wire 8 ran through the rubber diaphragm by that should pass through gap 4, and Multiple non-return portions are laid on nylon wire 8, in this embodiment, which is substantially in spherical beading part 5, the string Pearl part 5, which can be, to be adhesively fixed in the additional structure on nylon wire, is also possible to the similar ball being formed by knots tied by nylon wire itself Body shape structure, and the spacing between the adjacent beading part 5 of any two is greater than the thickness by the rubber block 3 at gap 4.

Opening gap 4 is the gap structure that gap is less than 8 diameter of nylon wire, should since rubber block 3 itself has elasticity It can be closed under the action of 3 natural resiliency of rubber block by gap 4, to limit passing through for the beading part 5, only artificial pull should Nylon wire 8, can just making beading part 5, then lesion generates smaller pulling force to nylon wire 8, and beading part 5 by should be by gap 4 It can not reset and pass through gap 4 across this.

What the nylon wire 8 was set to 3 both ends of rubber block is respectively fixing end 6 and free-end 7, which is equipped with one Connector sleeve (not shown), for being fixedly connected with another common metal clip (not shown), common metal folder It is defined as second metal clip, which is fixed on second metal clip.The free-end 7 is pulled, can unidirectionally be adjusted Spacing between whole first metal clip 1 and the second metal clip.

The embodiment working principle are as follows:

First metal clip 1, which is fixed on, to be formed on the stomach and intestine lumen opposite side or neighbouring mucous membrane of traction with lesion, then will Second metal clip is fixed in the lesion for having cut edge.The free-end 7 of nylon wire 8 is pulled, tractive force is generated, pulls the second gold medal Belong to folder, the mucous membrane for making lesion cut side sufficiently exposes.By 4 gap shaped opening of gap, list is constituted with the beading part 5 of nylon wire 8 To brake structure, so that tractive force is kept unidirectional and continue.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims

1. the unidirectional traction device of decollement under a kind of endoscope mucous membrane, it is characterised in that: including the first metal clip, rubber block And nylon wire；

The rubber block is fixed on first metal clip, and the rubber block is perforative by gap with one, which wears Pass through in this in gap and through the rubber block；

The nylon wire is equipped with multiple non-return portions, and the spacing between adjacent non-return portion, which is greater than, passes through the rubber block thickness at gap； It should can be closed under the action of rubber block natural resiliency by gap, to limit passing through for the non-return portion.

2. the unidirectional traction device of decollement under endoscope mucous membrane according to claim 1, it is characterised in that: this first Metal clip includes two clamp arm, and the bottom end of each clamp arm is arranged with an elastic force lantern ring；

The two elastic force lantern rings are respectively arranged on the opposite sides of the rubber block, which is fixed between two clamp arm.

3. the unidirectional traction device of decollement under endoscope mucous membrane according to claim 2, it is characterised in that: the elastic force Lantern ring is rubber material, and the two elastic force lantern rings are an integral structure with the rubber block.

4. the unidirectional traction device of decollement under endoscope mucous membrane according to claim 1, it is characterised in that: the non-return Portion is substantially in spherical beading part, which is fixed on the nylon wire.

5. the unidirectional traction device of decollement under endoscope mucous membrane according to claim 4, it is characterised in that: the beading Part is equidistantly uniformly arranged on the nylon wire.

6. the unidirectional traction device of decollement under endoscope mucous membrane according to claim 1, it is characterised in that: further include Second metal clip；

One end of the nylon wire is fixed on second metal clip, and then becomes fixing end, and the other end is free-end；The fixing end And the free-end is respectively arranged on the two sides of the rubber block.

7. the unidirectional traction device of decollement under endoscope mucous membrane according to claim 6, it is characterised in that: the nylon The fixing end of line is equipped with a connector sleeve, for being fixedly connected with second metal clip.

8. according to claim 1 under endoscope mucous membrane described in -7 any claims decollement unidirectional traction device, It is characterized in that: the central location of the rubber block should be set to by gap, and the rubber block is in by central location to outer rim thickness Increase tendency.