CN211560230U

CN211560230U - Cavity way closing device under scope

Info

Publication number: CN211560230U
Application number: CN201920924992.5U
Authority: CN
Inventors: 张建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-09-25
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a chamber says closing device under scope, include: a closure sleeve comprising an outer sleeve, at least two operating mechanisms disposed within the outer sleeve, and a closure portion disposed at a distal end of the outer sleeve; the operating mechanism comprises a catheter, a steel wire, a sheath tube, a push rod and a closing clamp, the catheter is located in the outer sheath tube, the steel wire is located in the catheter, the sheath tube is arranged at the far end of the catheter, the push rod is located in the sheath tube and connected with the far end of the steel wire, and the closing clamp is connected with the push rod. The closing device for the lower cavity of the endoscope is provided with a closing sleeve, and comprises an outer sleeve, at least two operating mechanisms arranged in the outer sleeve and a closing part arranged at the far end of the outer sleeve; the operating mechanism comprises a catheter, a steel wire, a sheath tube, a push rod and a closing clamp, wherein the catheter is positioned in the outer sleeve, the steel wire is positioned in the catheter, the sheath tube is arranged at the far end of the catheter, and the push rod is positioned in the sheath tube and connected with the far end of the steel wire; can realize the closing of a larger circular cavity opening, is convenient to use and operate in cooperation with an endoscope, and has good effect.

Description

Cavity way closing device under scope

Technical Field

The utility model relates to a medical apparatus technical field, more specifically say, the utility model relates to a pipeline closing device under scope.

Background

With the development of endoscopic technology and other related technologies, endoscopic hemostasis has become the first choice for the treatment of digestive tract hemorrhage. The currently commonly used endoscopic hemostasis methods include laser coagulation, electric coagulation, local injection of drugs to stop bleeding, drug spraying, and hemostatic clamp. Among them, the hemostatic clamp method has become the most effective and clinically applicable method for non-operative treatment of gastrointestinal hemorrhage due to its characteristics of small trauma, rapid hemostasis, low incidence of recurrent bleeding, few complications, and definite therapeutic effect.

When tumor or polyp is resected in a digestive tract, part of the wall of the tract is often resected, and a larger opening of the tract is left, but the existing hemostatic clamp used in the internal medicine department has larger clamping force and is inconvenient to operate in order to achieve a better clamping effect; in addition, the degradable hemostatic clip has a small clamping force due to the limitation of the mechanical properties of the degradable material, and when the remaining opening of the lumen is a large circle, a plurality of hemostatic clips are required to clamp the opening of the lumen, which is inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an scope lower chamber says closing device for solve the not enough of prior art.

In order to achieve the above object, the utility model provides an endoscope lower cavity says closing device, include:

a closure sleeve comprising an outer sleeve, at least two operating mechanisms disposed within the outer sleeve, and a closure portion disposed at a distal end of the outer sleeve;

the operating mechanism comprises a catheter, a steel wire, a sheath tube, a push rod and a closing clamp, the catheter is positioned in the outer sheath tube, the steel wire is positioned in the catheter, the sheath tube is arranged at the far end of the catheter, the push rod is positioned in the sheath tube and connected with the far end of the steel wire, and the closing clamp is connected with the push rod;

wherein the proximal end of the closure clip is configured to grip the wall of the lumen and the middle portion is bulged such that the closure clip snaps within the closure portion; a first breaking part is arranged between the push rod and the closing clamp; a second snapping portion is arranged between the outer sleeve and the closing portion.

Preferably, wherein, the closure clamp includes first splint and second splint, the near-end of first splint with the near-end of second splint is connected, and first splint the middle part of second splint all is the arc of keeping away from each other, the distal end of first splint is provided with first portion of holding with, first portion of holding with is provided with a plurality of recesses, the distal end of second splint is provided with the second portion of holding with, the second portion of holding with be provided with the dogtooth that the recess corresponds.

Preferably, the operating mechanism further comprises a handle part, the handle part comprises an outer handle body and at least two inner handle bodies, the outer handle body is hollow, openings are formed in two ends of the outer handle body, a first finger ring is arranged at the near end of the outer handle body, and a strip-shaped groove corresponding to the inner handle bodies is formed in the side wall of the outer handle body; the inner handle body comprises a first guide ring connected with the near end of the guide pipe, a middle guide rod connected with the first guide ring, a second guide ring connected with the middle guide rod and a guide pillar arranged between the first guide ring and the second guide ring, the far end of the steel wire is sequentially connected with an opening at the far end of the outer handle body, the first guide ring and the guide pillar, the second guide ring is connected with a second ring through a first connecting rod, the guide pillar is connected with a third ring through a second connecting rod, and the first connecting rod and the second connecting rod can move in the strip-shaped groove.

Preferably, a first isolating part is arranged in the outer handle body, the outer handle body is divided into at least two handle cavities by the first isolating part, the handle cavities correspond to the strip-shaped grooves, and the inner handle body is arranged in the handle cavities.

Preferably, the proximal end of the outer handle body is threaded with an end cap, and the first finger ring is arranged on the end cap.

Preferably, a second isolating part is arranged in the outer sleeve, the second isolating part divides the inner part of the outer sleeve into at least two tube cavities, and the tube cavities correspond to the catheter.

Preferably, the closed part is annular, and an outer annular groove is formed on the inner surface of the closed part at a position close to the outer sleeve; the second snapping portion comprises at least two clamping hook portions arranged at the far end of the outer sleeve, and the clamping hook portions are clamped in the outer ring groove.

Preferably, the first snap-off part is a snap-off plate, and the snap-off plate is provided with a notch.

Compared with the prior art, the utility model discloses at least, including following beneficial effect:

1. the closing device for the lower cavity of the endoscope comprises a closing sleeve, at least two operating mechanisms and a closing part, wherein the closing sleeve is arranged in the outer sleeve; the operating mechanism comprises a catheter, a steel wire, a sheath tube, a push rod and a closing clamp, the catheter is positioned in the outer sheath tube, the steel wire is positioned in the catheter, the sheath tube is arranged at the far end of the catheter, the push rod is positioned in the sheath tube and connected with the far end of the steel wire, and the closing clamp is connected with the push rod; can realize the closing of a larger circular cavity opening, is convenient to use and operate in cooperation with an endoscope, and has good effect.

The endoscope lower cavity closing device of the present invention has other advantages, objects and features which will be apparent from the following description and which will be understood by those skilled in the art from the study and practice of the present invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a side view of the structure of the endoscopic inferior orifice closing device of the present invention.

Fig. 2 is a schematic structural view of a closing clip in an endoscopic lower lumen closure device according to the present invention.

Fig. 3 is a top view of the closing clip of the endoscopic lower lumen closure device of the present invention.

Fig. 4 is a schematic structural view of the handle portion of the endoscopic lower lumen closing device of the present invention.

Fig. 5 is a schematic structural view of a second breaking portion in a lower lumen closing device of an endoscope.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1-5, the utility model provides an endoscope lower cavity closing device, which comprises:

a closure sleeve 100 comprising an outer sleeve 1, at least two operating mechanisms disposed within the outer sleeve 1, and a closure portion 2 disposed at a distal end of the outer sleeve 1;

the operating mechanism comprises a catheter 3, a steel wire 4, a sheath tube 5, a push rod 6 and a closing clamp 7, wherein the catheter 3 is positioned in the outer sleeve 1, the steel wire 4 is positioned in the catheter 3, the sheath tube 5 is arranged at the far end of the catheter 3, the push rod 6 is positioned in the sheath tube 5 and is connected with the far end of the steel wire 4, and the closing clamp 7 is connected with the push rod 6;

the near end of the closing clip 7 is used for clipping the cavity wall and the middle part is bulged, so that the closing clip 7 is clamped in the closing part 2; a first snapping part 8 is arranged between the push rod 6 and the closing clamp 7; a second snapping part is arranged between the outer sleeve 1 and the closing part 2.

The working principle of the technical scheme is as follows: when the closed sleeve 100 is used, the closed sleeve is conveyed to an opening in a cavity channel through an endoscope pipeline, then the operating mechanism is sequentially pushed out from the outer sleeve 1 to the edge of the opening on the wall of the cavity channel, then the steel wire 4 is operated to push the push rod 6 to push the closed clamp 7 out of the sheath tube 5, the closed clamp 7 is opened, and the closed clamp 7 is made of memory alloy; then operating the steel wire 4 to pull the push rod 6 to pull the closing clamp 7 towards the sheath tube 5, and closing the closing clamp 7 to clamp the edge of the opening; then another closing clamp 7 is operated to clamp the other edge of the opening, wherein the number of the closing clamps 7 is two, so that the closing clamps 7 symmetrically clamp the cavity wall at the opening, an operating mechanism is pulled to pull the two closing clamps 7 into the closing part 2, the middle part of the closing clamps 7 is bulged to enable the closing clamps 7 to be clamped in the closing part 2, then the steel wire 4 is pulled to enable the push rod to be far away from the closing clamps and enable the push rod 6 to be separated from the closing clamps 7 through the first breaking part 8, the two closing clamps 7 are left in the closing part 2, then the outer sleeve 1 is pulled, and due to the fact that the closing clamps 7 already clamp the cavity wall at the opening, the outer sleeve 1 is pulled to be separated from the closing part 2 through the second breaking part, and therefore the opening on the cavity wall is closed together.

The beneficial effects of the above technical scheme are that: by providing a closure sleeve 100 comprising an outer sleeve 1, at least two operating mechanisms arranged within the outer sleeve 1 and a closure part 2 arranged at the distal end of the outer sleeve 1; the operating mechanism comprises a catheter 3, a steel wire 4, a sheath tube 5, a push rod 6 and a closing clamp 7, wherein the catheter 3 is positioned in the outer sleeve 1, the steel wire 4 is positioned in the catheter 3, the sheath tube 5 is arranged at the far end of the catheter 3, the push rod 6 is positioned in the sheath tube 5 and connected with the far end of the steel wire 4, and the closing clamp 7 is connected with the push rod 6; can realize the closing of a larger circular cavity opening, is convenient to use and operate in cooperation with an endoscope, and has good effect.

In one embodiment, the closing clip 7 includes a first clamping plate 71 and a second clamping plate 72, a proximal end of the first clamping plate 71 is connected with a proximal end of the second clamping plate 72, and middle portions of the first clamping plate 71 and the second clamping plate 72 are in an arc shape away from each other, a distal end of the first clamping plate 71 is provided with a first clamping portion 73, the first clamping portion 73 is provided with a plurality of grooves 74, a distal end of the second clamping plate 72 is provided with a second clamping portion 75, and the second clamping portion 75 is provided with a protruding tooth 76 corresponding to the grooves 74.

The working principle of the technical scheme is as follows: when the proximal end of the closing clip 7 is pulled into the sheath, the first clamping portion 73 at the distal end of the first clamping plate 71 and the second clamping portion 75 at the distal end of the second clamping plate 72 are buckled with each other, and the convex teeth 76 on the second clamping portion 75 and the grooves 74 on the first clamping portion 73 are matched to firmly bite the lumen wall at the edge of the opening, so that the closing clip 7 is connected with the lumen wall.

The beneficial effects of the above technical scheme are that: clamping of the closing part 7 to the wall of the cavity is achieved.

In one embodiment, the operating mechanism further comprises a handle part, the handle part comprises an outer handle body 9 and at least two inner handle bodies, the outer handle body 9 is hollow, openings are formed in two ends of the outer handle body 9, a first finger ring 10 is arranged at the proximal end of the outer handle body 9, and a strip-shaped groove 11 corresponding to the inner handle bodies is formed in the side wall of the outer handle body 9; the inner handle body comprises a first guide ring 12 connected with the near end of the guide tube 3, a middle guide rod 13 connected with the first guide ring 12, a second guide ring 14 connected with the middle guide rod 13 and a guide post 15 arranged between the first guide ring 12 and the second guide ring 14, the far end of the steel wire 4 is sequentially connected with an opening at the far end of the outer handle body 9, the first guide ring 12 and the guide post 15, the second guide ring 14 is connected with a second guide ring 17 through a first connecting rod 16, the guide post 15 is connected with a third finger ring 19 through a second connecting rod 18, and the first connecting rod 16 and the second connecting rod 18 can move in the strip-shaped groove 11.

The working principle of the technical scheme is as follows: when the medical staff uses the handle part, the medical staff can use both hands to operate the handle part and place proper fingers in the first finger ring 10, the second finger ring 17 and the third finger ring 19, so that the medical staff can conveniently operate the handle part; the medical staff moves the second finger 17 back and forth along the strip-shaped groove 11, the second finger ring 17 moves the catheter 3 back and forth in the endoscope through the second guide ring 14, the middle guide rod 13 and the second guide ring 12, so that the sheath 5 is close to the opening of the wall of the lumen, or the sheath 5 is pulled back into the outer sleeve 1; the third finger ring 19 can pull the steel wire 4 to reciprocate in the guide tube 3 through the guide post 15, and the steel wire 4 will move the push rod 6 and further move the closing clamp 7.

The beneficial effects of the above technical scheme are that: the medical staff can use the handle part to operate the operating mechanism conveniently.

In one embodiment, a first isolation portion 20 is disposed inside the outer handle body 9, the first isolation portion 20 divides the inside of the outer handle body 9 into at least two handle cavities 21, the handle cavities 21 correspond to the strip-shaped grooves 11, and the inner handle body is disposed inside the handle cavities 21.

The working principle of the technical scheme is as follows: the first partition 20 divides the interior of the outer shank body 9 into at least two shank cavities 21 so that the inner shank bodies are disposed within the shank cavities 21 without interference between all of the inner shank bodies.

The beneficial effects of the above technical scheme are that: facilitating movement of the inner shank body within the corresponding shank cavity 21.

In one embodiment, the proximal end of the outer handle body 9 is threaded with an end cap 22, and the first finger ring 10 is disposed on the end cap 22.

The working principle of the technical scheme is as follows: the first finger ring 10 is connected to the outer handle body 9 through an end cap 22 to block the outer handle body 9.

The beneficial effects of the above technical scheme are that: the first finger ring 10 is disposed on the outer handle 9 to conform to the operating habits of the medical personnel and the end cap 22 can block the inner handle from sliding out of the outer handle 9 from the handle cavity 21.

In one embodiment, a second partition 23 is disposed inside the outer sleeve 1, and the second partition 23 divides the inside of the outer sleeve 1 into at least two lumens corresponding to the catheters 3.

The working principle of the technical scheme is as follows: the second partition 23 divides the inside of the overtube 1 into corresponding lumens, and the operating mechanism is mounted in the corresponding lumens.

The beneficial effects of the above technical scheme are that: the operating mechanisms are arranged in the corresponding tube cavities, so that the medical staff can use the operating mechanisms conveniently.

In one embodiment, the closing part 2 is annular, and an outer annular groove 24 is formed on the inner surface of the closing part 2 close to the outer sleeve 1; the second snapping portion comprises at least two hook portions 25 arranged at the far end of the outer sleeve 1, and the hook portions 25 are clamped in the outer ring groove 24.

The working principle of the technical scheme is as follows: the closed part 2 is provided with an outer annular groove 24, the outer sleeve 1 is provided with a corresponding clamping hook part 25, the medical staff pulls the clamping hook part 25, the clamping hook part 25 is separated from the outer annular groove 24, and the closed part 2 and the closing clamp 7 are reserved on the cavity wall to hoop the opening to realize closing.

The beneficial effects of the above technical scheme are that: the closing part 2 hoops the closing clip 7, and the closing clip 7 shrinks the opening on the cavity wall together to realize the closing.

In one embodiment, the first snap-off portion 8 is provided as a snap-off plate, and the snap-off plate is provided with a notch 81.

The working principle of the technical scheme is as follows: the first snap-off part 8 is a snap-off plate, a notch 81 is arranged on the snap-off plate, and the steel wire is pulled by slight force to break the notch by the principle that the bearing force of the notch 81 is smaller than that of other parts.

The beneficial effects of the above technical scheme are that: after the first snapping part 8 is broken, the closing clip 7 is separated from the push rod 6, and then the closing clip 7 is kept on the cavity wall and closes the opening on the cavity wall.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims

1. An endoscopic inferior luminal closure device, comprising:

a closure sleeve (100) comprising an outer sleeve (1), at least two operating mechanisms arranged within the outer sleeve (1), and a closure portion (2) arranged at a distal end of the outer sleeve (1);

the operating mechanism comprises a catheter (3), a steel wire (4), a sheath tube (5), a push rod (6) and a closing clamp (7), the catheter (3) is positioned in the outer sleeve (1), the steel wire (4) is positioned in the catheter (3), the sheath tube (5) is arranged at the far end of the catheter (3), the push rod (6) is positioned in the sheath tube (5) and connected with the far end of the steel wire (4), and the closing clamp (7) is connected with the push rod (6);

the near end of the closing clip (7) is used for clamping the cavity wall, and the middle part of the closing clip is bulged, so that the closing clip (7) is clamped in the closing part (2); a first snapping part (8) is arranged between the push rod (6) and the closing clamp (7); a second breaking part is arranged between the outer sleeve (1) and the closing part (2).

2. An endoscopic inferior cavity closing device according to claim 1, wherein the closing clip (7) comprises a first clamping plate (71) and a second clamping plate (72), the proximal end of the first clamping plate (71) is connected with the proximal end of the second clamping plate (72), the middle parts of the first clamping plate (71) and the second clamping plate (72) are in an arc shape away from each other, the distal end of the first clamping plate (71) is provided with a first clamping portion (73), the first clamping portion (73) is provided with a plurality of grooves (74), the distal end of the second clamping plate (72) is provided with a second clamping portion (75), and the second clamping portion (75) is provided with a convex tooth (76) corresponding to the groove (74).

3. An endoscopic inferior vena cava closing device according to claim 1, wherein the operating mechanism further comprises a handle portion, the handle portion comprises an outer handle body (9) and at least two inner handle bodies, the outer handle body (9) is hollow inside and has openings at two ends, a first finger ring (10) is arranged at the proximal end of the outer handle body (9), and a strip-shaped groove (11) corresponding to the inner handle body is arranged on the side wall of the outer handle body (9);

the inner handle body comprises a first guide ring (12) connected with the near end of the guide pipe (3), a middle guide rod (13) connected with the first guide ring (12), a second guide ring (14) connected with the middle guide rod (13) and a guide post (15) arranged between the first guide ring (12) and the second guide ring (14), the far end of the steel wire (4) is sequentially connected with an opening of the far end of the outer handle body (9) and the guide post (15) through the first guide ring (12), the second guide ring (14) is connected with a second finger ring (17) through a first connecting rod (16), the guide post (15) is connected with a third finger ring (19) through a second connecting rod (18), and the first connecting rod (16) and the second connecting rod (18) can move in the strip-shaped groove (11).

4. An endoscopic inferior cavity closing device according to claim 3, wherein a first isolating portion (20) is disposed in the outer handle body (9), the first isolating portion (20) divides the interior of the outer handle body (9) into at least two handle cavities (21), the handle cavities (21) correspond to the strip-shaped grooves (11), and the inner handle body is disposed in the handle cavities (21).

5. An endoscopic inferior lumen closure device according to claim 3, wherein the proximal end of the outer handle body (9) is threaded with an end cap (22), the first finger ring (10) being provided on said end cap (22).

6. An endoscopic inferior lumen closure device according to claim 1, wherein a second isolation portion (23) is disposed inside the overtube (1), and the second isolation portion (23) divides the interior of the overtube (1) into at least two lumens corresponding to the catheter (3).

7. An endoscopic inferior cavity closing device according to claim 1, wherein said closing portion (2) is ring-shaped, and an outer ring groove (24) is formed on the inner surface of said closing portion (2) near said outer sleeve (1);

the second snapping portion comprises at least two clamping hook portions (25) arranged at the far end of the outer sleeve (1), and the clamping hook portions (25) are clamped in the outer annular groove (24).

8. An endoscopic inferior cavity closing device according to claim 1, wherein said first snap portion (8) is provided as a snap plate, said snap plate being provided with a slit (81).