CN209808431U - Traction expanding device used under endoscope - Google Patents

Abstract

The utility model relates to a traction expanding device used under an endoscope, which comprises a puncture needle, a barbed wire, a baffle and a wire groove, wherein the puncture needle is used for realizing the puncture of skin; one end of the barb line is connected with the puncture needle, and the other end of the barb line is connected with the baffle; the baffle is used for supporting skin to be pulled, the upper end face of the baffle is provided with a plurality of protrusions, and the protrusions are used for increasing friction between the skin and the baffle; be provided with the plumbous line in the wire casing, the plumbous line is used for realizing the recovery of baffle, the baffle includes fixed plate and ring cover gasbag around the fixed plate, the gasbag is the loop configuration the utility model discloses a pull relevant position of operation and structure, improve the operation field of vision and expose poor, the little problem of operation space.

Description

Traction expanding device used under endoscope

Technical Field

The utility model belongs to the technical field of medical equipment, concretely relates to draw and expand device that uses under chamber mirror.

Background

At present, the endoscopic minimally invasive surgery gradually becomes the mainstream of the surgical operation, including general surgery, urology surgery, thoracic surgery and obstetrics and gynecology, and the endoscopic surgery accounts for a large proportion. Compared with the traditional open surgery, the endoscopic minimally invasive surgery has the following advantages: 1) the wound is small, the incision is small, the postoperative recovery is fast, and the hospitalization time is greatly shortened. 2) The field of vision is clearer during the operation, the operation is gradually inclined to the anatomical precise operation, and the injury is small during the operation. However, the endoscopic surgery has limitations, the exposure of the surgical field during the surgery is more difficult than that of the traditional surgery, the surgery operation space is narrower, the surgery operation is affected by the existence of adjacent tissues and organs at the surgery part, and the main factor that the endoscopic surgery is long in time and sometimes cannot be successfully performed is also included.

The inventor knows that a traction device is used for traction of the skin of an operation position in the prior art, in some minimally invasive operations, a certain distance is reserved between an incision and an operation position, medical workers are required to establish a subcutaneous channel between the incision and the operation position, then the traction device, an endoscope and the like are sent to the operation position, and the external lead is used for traction to increase the operation visual field. In the process of establishing a subcutaneous channel, carbon dioxide gas needs to be injected from a knife edge to the subcutaneous part to realize the separation of the skin and the subcutaneous tissue, but the inventor thinks that the mode can not control the diffusion direction of the gas, can cause the enlargement of the operation surface, and even can not realize the purpose of establishing the subcutaneous channel for advancing the traction device and the endoscope sleeve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned prior art, provide a draw and expand device that uses under chamber mirror, through drawing operation relevant position and structure, improve the operation field of vision and expose poor, the little problem in operation space, can solve the uncontrollable problem of current subcutaneous passageway establishment in-process gas diffusion direction.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a traction opening device used under an endoscope comprises a puncture needle, a barbed wire, a baffle and a wire groove, wherein the puncture needle is used for realizing skin puncture;

one end of the barb line is connected with the puncture needle, and the other end of the barb line is connected with the baffle; the baffle is used for supporting a tissue organ to be dragged, the upper end surface of the baffle is provided with a plurality of protrusions, and the protrusions are used for increasing the friction between the tissue organ and the baffle; and a lead wire is arranged in the wire groove.

Adopt special barb line can avoid pulling the position not hard up, prevent the connecting wire slippage.

Furthermore, the baffle comprises a fixing plate and an air bag sleeved on the periphery of the fixing plate in an annular structure, and the air bag can be used for realizing separation among multiple layers of skin tissues and increasing gaps among organs.

After the baffle reaches the operation position, the air bag is inflated to enlarge the gap between the tissues and organs, so that the exposure of the operation visual field is facilitated.

By adopting the air bag structure, a baffle can be placed at the knife edge, and then the area of the skin separated from the subcutaneous tissue is enlarged by utilizing the air bag along the fixed direction, so that the subcutaneous channel can be accurately established along the set direction.

Further, the air bag is communicated with an external air supply device through an air supply pipe.

The air supply pipe and the external air supply device supply air to the air bag, so that the air bag can be expanded, and the purposes of establishing a subcutaneous channel and enlarging the gaps of tissues and organs are achieved.

Further, the gasbag includes a plurality of gasbag portions of mutual isolated, and every gasbag portion communicates with outside air feeder through an air supply pipe respectively, the one end that air supply pipe and outside air feeder communicate is equipped with the solenoid valve.

The gasbag divide into a plurality of isolated gasbag portions each other, and the gasbag of arbitrary direction fills the gassing alone in this kind of setting up mode can the control baffle, avoids subcutaneous channel's width too big, causes the injury to the patient.

Further, the external air supply device is an air pump.

Further, an air pressure monitoring device is arranged in the air bag and used for monitoring the air pressure in the air bag, and the air pressure monitoring device is communicated with an external display device through a signal line.

The air pressure monitoring device can avoid overlarge expansion degree of the air bag, avoid the air bag from expanding and breaking in the inflating process and reduce potential safety hazards.

The utility model has the advantages that:

this application adopts special barb line and pjncture needle to come the tractive baffle, increases the space between operation position tissue organ and other subcutaneous tissues at the in-process of tractive baffle for bigger operation field of vision is exposed, adopts the barb line can avoid the lead wire to locate the slippage from skin.

The special air bag is arranged outside the baffle, when the distance between the incision and the operation position is far away, the subcutaneous operation channel can be gradually established through the expansion of the air bag, the air bag is divided into a plurality of mutually isolated air bag parts, the independent inflation and deflation of the air bag at the determined position on the baffle can be realized, the establishment of the operation channel with the set direction can be conveniently realized, and the conditions that the gas diffusion caused by directly adopting carbon dioxide gas and the direction of the operation channel cannot meet the requirements can be avoided.

After the baffle reaches the operation position, the air bag can be inflated to enlarge the gap between adjacent tissues and organs, so that the exposure of the operation visual field is facilitated.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a front view of the overall structure of embodiment 1 of the present invention;

fig. 2 is a front view of the overall structure of embodiment 2 of the present invention;

fig. 3 is a schematic diagram of embodiment 3 of the present invention.

In the figure: 1. puncturing needle; 2. a wire hole; 3. a barbed line; 301. a barb; 4. a protrusion; 5. a baffle plate; 6. a lead wire; 7. an air bag; 701. a connecting port; 702. a gas supply pipe; 8. a surgical site; 9. knife edge.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "up, down, left, right" in the present invention, if appearing, are intended to correspond only to the upper, lower, left, right directions of the drawings themselves, not to limit the structure, but merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.

Embodiment 1, as shown in fig. 1, a traction opening device used under an endoscope comprises a puncture needle 1, a barbed wire 3, a baffle 5 and a wire groove, wherein the puncture needle 1 is used for realizing skin puncture; specifically, the puncture needle 1 has a length of 8 to 12cm, and a preferable length is 10 cm.

Specifically, the puncture needle is connected with the barbed wire 3 through the lead hole 2, and the top of the puncture needle is of a triangular pyramid structure.

One end of the barb line 3 is connected with the puncture needle 1, and the other end is connected with the baffle 5; in particular, the length of the barb threads 3 is 23-27cm, a preferred length being 25 cm.

The baffle 5 is used for supporting a tissue organ to be dragged, a plurality of protrusions 4 are arranged on the upper end face of the baffle 5, and the protrusions 4 are used for increasing the friction between the skin and the baffle 5;

and a lead wire 6 is arranged in the wire groove.

Specifically, no special wire groove structure is given in the drawings of the specification, and because the wire groove is used for fixing a lead wire, an annular wire groove can be arranged on the circumferential side surface of the baffle plate, and the lead wire is bonded in the annular groove; the baffle plate can also be made into a split structure, and the lead wire is arranged inside the baffle plate. When the lead wire is irradiated by X-ray, the relative position of the lead wire in the human body can be displayed on the display device.

The working principle is as follows: when a cavity exists at the operation part (such as abdominal cavity operation), the puncture needle 1, the barbed wire 3 and the baffle 5 are directly extended into the operation part from the endoscope sleeve, then the surgical instrument is extended from the endoscope sleeve, the puncture needle penetrates through a tissue organ which obstructs the operation visual field, then the puncture needle penetrates through the outermost skin (such as abdominal cavity wall) and pulls the barbed wire 3 until the baffle 5 is contacted with the corresponding tissue organ and pulls the operation place visual field to be exposed, and then the barbed wire 3 connected with the puncture needle 1 is fixed with an external device.

After the operation is finished, the barb thread 3 is cut off from the cavity, and then the baffle is pulled by the surgical instrument and taken out from the endoscope sleeve.

If the baffle is lost in the cavity, the lead line on the baffle can be found through X-ray irradiation, and then the position of the baffle is found.

Embodiment 2, as shown in fig. 2-3, a traction spreading device used under a cavity mirror, which has basically the same structure as embodiment 1, except that:

the baffle 5 comprises a fixing plate and an air bag 7 sleeved on the periphery of the fixing plate in a ring shape, and the air bag 7 is of an annular structure and used for realizing separation among multiple layers of skin tissues and increasing gaps among organs.

The air bag 7 communicates with an external air supply device through an air supply pipe 702. Specifically, the air bag is provided with a connection port 701, and the connection port 701 is connected with an air supply pipe 702.

Specifically, the airbag 7 includes a plurality of mutually isolated airbag portions, each of the airbag portions is respectively communicated with an external air supply device through an air supply pipe 702, and an electromagnetic valve (not shown in the figure) is disposed at one end of the air supply pipe 702, which is communicated with the external air supply device. The external air supply device is an air pump (not shown in the figure).

Specifically, the electromagnetic valve is disposed between the air pump and the air bag for controlling the on/off of the air supply pipe 702.

An air pressure monitoring device (not shown in the figure) is arranged in the air bag 7 and used for monitoring the air pressure in the air bag 7, and the air pressure monitoring device is communicated with an external display device (not shown in the figure) through a signal line. The air pressure monitoring device may be an air pressure sensor, and how the air pressure sensor is installed in the airbag and how the air pressure sensor communicates with an external display device may be set by a person skilled in the art, which is not described herein, but cannot be considered as unclear.

The working principle is as follows: when the operation site 8 is a site where a patient is often exposed, an incision 9 is generally provided in a hidden position for aesthetic effects, and then a subcutaneous operation channel is established, from which an endoscope and a scalpel are introduced.

The method comprises the steps of arranging a knife edge 9 at a hidden position in advance, placing a baffle in the knife edge 9, clamping the baffle by using a clamping device, applying pressure to the baffle by using the clamping device to enable the side wall of the baffle to press skin tissues to be separated, inflating an air bag part at a corresponding position according to the direction of an operation channel, enabling the skin to be separated by expanding the air bag, then deflating the air bag part, pushing the baffle 5 along the direction of the operation channel to enable the side wall of the baffle to extrude the skin to be separated again, continuing inflating and deflating the air bag part at the corresponding position until the baffle 5 reaches the operation position, and taking out the baffle 5.

Then, one end of the barbed wire 3 is connected with the baffle 5, the other end of the barbed wire is connected with the puncture needle 1, the endoscope sleeve is extended into the operation part along the operation channel, the subsequent steps are the same as those in embodiment 1, and the description is omitted.

Embodiment 3, as shown in fig. 2, a traction spreading device used under a cavity mirror, which has the same structure as embodiment 2, and is different from the following in the using mode:

after the baffle 5 extends into the operation position through the endoscope sleeve, all the air bag parts outside the baffle 5 are inflated, and the air bags expand to increase the gaps between adjacent tissues and organs, so that the exposure of the operation visual field and the separation of the related gaps are facilitated.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (6)

1. A traction expanding device used under an endoscope is characterized by comprising,

the puncture needle is used for realizing the puncture of the skin;

one end of the barb line is connected with the puncture needle, and the other end of the barb line is connected with the baffle;

the baffle plate is used for supporting an organ to be dragged, the upper end surface of the baffle plate is provided with a plurality of bulges, and the bulges are used for increasing the friction between the organ and the baffle plate;

the wire casing is provided with a lead wire.

2. The laparoscopic distraction mechanism of claim 1, wherein said barrier comprises a fixation plate and an air bladder looped around said fixation plate, said air bladder having a ring-like configuration for achieving separation between multiple layers of skin tissue and increasing the space between organs.

3. The laparoscopic distraction dilation device of claim 2 wherein said balloon is in communication with an external gas supply through a gas supply tube.

4. The laparoscopic distraction spreading device of claim 3, wherein said balloon comprises a plurality of balloon portions isolated from each other, each balloon portion being in communication with an external gas supply through a gas supply tube, said gas supply tube being provided with a solenoid valve at an end thereof in communication with the external gas supply.

5. The laparoscopic distraction mechanism of claim 3, wherein said external gas supply is an air pump.

6. The device for thoracoscopically pulling and expanding as recited in claim 3, wherein a pneumatic monitoring device is disposed in the air bag, the pneumatic monitoring device is used for monitoring the magnitude of the air pressure in the air bag, and the pneumatic monitoring device is communicated with an external display device through a signal line.