CN219538407U

CN219538407U - Liver gate blocking device for laparoscopic surgery

Info

Publication number: CN219538407U
Application number: CN202320498097.8U
Authority: CN
Inventors: 许静涌
Original assignee: Beijing Hospital
Current assignee: Beijing Hospital
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-08-18
Anticipated expiration: 2033-03-15

Abstract

The utility model relates to a hepatic portal blocking device for laparoscopic surgery, which comprises an outer sleeve assembly, a puncture core assembly and a blocking belt assembly; the puncture core assembly is arranged in the outer sleeve assembly in a penetrating way, two ends of the puncture core assembly extend out of the first elastic hose and the second elastic hose respectively, and the outer sleeve assembly is connected with the puncture core assembly through a connecting assembly; the blocking band component is used for blocking the hepatic portal after the puncture core component is separated from the outer sleeve component. The utility model can rapidly block the hepatic portal of the patient, has simple and convenient operation and high blocking success rate, and reduces secondary injury of the patient.

Description

Liver gate blocking device for laparoscopic surgery

Technical Field

The utility model relates to the technical field of surgical medical instruments, in particular to a hepatic portal blocking device for laparoscopic surgery.

Background

The hepatic portal, also called the first hepatic portal, mainly refers to the hepatic artery, portal vein and the part of the hepatic duct entering the liver, and is located on the liver surface, and the structure is entirely surrounded by serosa to form a cluster structure.

Liver is an organ with abundant blood supply, and bleeding and hemostasis are persistent topics for hepatectomy. Accurate liver resection (precision hepatomy) is a current development trend of liver surgery, laparoscopic and robot-assisted liver resection surgery is gradually the mainstream choice of current liver resection surgery, and the accurate liver resection surgery requires minimally invasive and fine surgical strategies and skills to reduce bleeding in surgery, thereby being beneficial to ensuring the display of anatomical structures in minimally invasive surgery and reducing coagulation dysfunction caused by blood loss and immune function inhibition caused by blood transfusion. The portal blocking method is the most mainstream method at present for reducing bleeding, and arterial blood and portal venous blood entering the liver are reduced by completely clamping the vascular structure of the portal part, so that the aim of reducing bleeding is fulfilled. However, in the prior art, the hepatic portal blocking mainly adopts the modes of rubber band blocking, drainage tube blocking, intestinal forceps blocking special for intestinal tracts and the like, the blocking operation mode is complex, and the blocking effect is difficult to ensure.

Therefore, the person skilled in the art is dedicated to develop a hepatic portal blocking device for laparoscopic surgery, which can rapidly block the hepatic portal of a patient, and has the advantages of simple operation, high blocking success rate and reduction of secondary injury of the patient.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the hepatic portal blocking device for laparoscopic surgery, which can rapidly block the hepatic portal of a patient, is simple and convenient to operate, has high blocking success rate and reduces secondary injury of the patient.

The technical scheme for solving the technical problems is as follows: a hepatic portal blocking device for laparoscopic surgery comprises an outer sleeve component, a puncture core component and a blocking belt component;

the puncture core assembly is arranged in the outer sleeve assembly in a penetrating way, two ends of the puncture core assembly extend out of the first elastic hose and the second elastic hose respectively, and the outer sleeve assembly is connected with the puncture core assembly through a connecting assembly;

the blocking band component is used for blocking the hepatic portal after the puncture core component is separated from the outer sleeve component.

The beneficial effects of the utility model are as follows: in the process of blocking the hepatic portal, the end part of the outer sleeve component and the first elastic hose are delivered to the puncture abdominal wall and the puncture core component is separated, and the blocking belt component penetrates into the hepatic portal from the outer sleeve component and tightens up the blocking belt component so as to block the hepatic portal.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the outer sleeve assembly comprises an outer sleeve, and the outer sleeve is arranged in a hollow mode.

The beneficial effect of adopting above-mentioned further scheme is that the outer tube that the cavity set up does benefit to puncture core assembly tip and reaches hepatic portal department to do benefit to and block the area subassembly and penetrate to hepatic portal department and block.

Further, the puncture core assembly comprises a puncture core, and the puncture core and the outer sleeve are arranged in a clearance mode.

The beneficial effect of adopting above-mentioned further scheme is that the puncture core sets up with the outer tube clearance, does benefit to the puncture core to break away from the outer tube fast.

Further, the connecting assembly comprises an internal thread arranged in the outer sleeve, and an external thread matched with the internal thread is arranged at the position corresponding to the puncture core.

The beneficial effect of adopting above-mentioned further scheme is through threaded connection between puncture core and the outer tube, does benefit to quick connect and break away from.

Further, the blocking strap assembly includes a blocking ring for blocking the hepatic portal, the blocking ring further having an extension cord connected thereto.

The technical scheme has the beneficial effects that the blocking ring is sleeved on the hepatic portal, and the extension rope is used for tightening the blocking ring.

Further, the blocking ring has an arc on a side far away from the extension rope.

The blocking ring has the beneficial effects that the blocking ring has radian, and is beneficial to being quickly sleeved at the hepatic portal under the assistance of a laparoscope.

Further, one end of the puncture core is provided with a puncture tip, and the other end of the puncture core is provided with a holding part.

The beneficial effect of adopting above-mentioned further scheme is that puncture pointed end does benefit to the puncture core and penetrates fast, and the portion of gripping does benefit to operating personnel fast.

Further, the first elastic hose and the second elastic hose each comprise a silicone hose.

The beneficial effect of adopting above-mentioned further scheme is that the effort that the silica gel hose avoided acting on patient position concentrates, reduces the injury to the patient.

Further, a clamping assembly is included for clamping the second elastic hose and securing the occlusion belt assembly.

The beneficial effect of adopting above-mentioned further scheme is that after blocking the area subassembly and blocking the hepatic portal, the centre gripping subassembly will block the area subassembly centre gripping firm, avoids the pine to take off.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an exploded view of an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. an outer sleeve assembly; 2. a puncture core assembly; 3. a blocking tape assembly; 4. a first elastic hose; 5. a second elastic hose; 6. an outer sleeve; 7. a puncture core; 8. an internal thread; 9. an external thread; 10. a blocking ring; 11. extending the rope; 12. a piercing tip; 13. a holding part.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the system or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1, 2 and 3, a hepatic portal blocking device for laparoscopic surgery comprises an outer cannula assembly 1, a puncture core assembly 2 and a blocking band assembly 3; the first elastic hose 4 and the second elastic hose 5 are sleeved at two ends of the outer sleeve assembly 1 respectively, the puncture core assembly 2 is arranged in the outer sleeve assembly 1 in a penetrating mode, the first elastic hose 4 and the second elastic hose 5 extend out of two ends of the puncture core assembly 2 respectively, and in order to reduce local stress of a patient and facilitate fixing the blocking belt assembly 3, the first elastic hose 4 and the second elastic hose 5 comprise silicone hoses. The outer sleeve component 1 is connected with the puncture core component 2 through a connecting component; the blocking tape assembly 3 is used for blocking the hepatic portal after the puncture core assembly 2 is separated from the outer sleeve assembly 1.

In the process of blocking the hepatic portal, the end part of the outer sleeve component 1 and the first elastic hose 4 are delivered to the puncture abdominal wall of a patient and the puncture core component 2 is separated, the blocking belt component 3 penetrates into the hepatic portal from the inner sleeve component 1 and tightens the blocking belt component 3 so as to block the hepatic portal, so that the operation is simple and convenient, the blocking success rate is high, and the secondary injury of the patient is reduced.

As shown in fig. 1 and 2, in some embodiments, the outer sleeve assembly 1 includes an outer sleeve 6, where the outer sleeve 6 is hollow, the outer sleeve 6 may be made of stainless steel or hard plastic, in this embodiment, the outer sleeve 6 has a length of 18cm to 22cm, an inner diameter of 4.8mm to 5.2mm, and an outer diameter of 6mm to 8mm. The puncture core assembly 2 comprises a puncture core 7, the diameter of the puncture core 7 is 4.6mm to 5.0mm, the puncture core 7 is hollow or solid, stainless steel or hard plastic is adopted for manufacturing, the puncture core 7 and the outer sleeve 6 are arranged in a clearance mode, the puncture core 7 and the outer sleeve 6 are connected and fixed or separated from each other quickly, a puncture tip 12 is arranged at one end of the puncture core 7, the puncture tip 12 is convenient for the end portion of the outer sleeve 6 to be inserted into a patient body quickly, a holding portion 13 is arranged at the other end of the puncture core 7, the holding portion 13 is cylindrical or conical, the outer sleeve 6 can be inserted quickly by an operator, and the puncture core 7 and the outer sleeve 6 are separated from each other easily.

As shown in fig. 2, in some embodiments, the connection assembly includes an internal thread 8 disposed in the outer sleeve 6, the internal thread 8 is located at an end of the outer sleeve 6, an external thread 9 matched with the internal thread 8 is disposed at a position corresponding to the puncture core 7, the outer sleeve 6 is connected with the puncture core 7 through threads, so as to connect or separate the outer sleeve 6 and the puncture core 7 quickly, and in another embodiment, the technical effect of the utility model can be achieved by the buckle assembly between the outer sleeve 6 and the puncture core 7.

As shown in fig. 1 and 2, in the embodiment, the blocking band assembly 3 includes a blocking ring 10 for blocking the hepatic portal, the blocking ring 10 is further connected with an extension cord 11, in the specific embodiment, the blocking ring 10 is generally elliptical, the long side diameter is 4.8cm to 5.2cm, the short side diameter is 0.8cm to 1.2cm, and the blocking ring 10 and the extension cord 11 are made of elastic rubber, so that the hepatic portal of a patient can be blocked conveniently. In order to facilitate the rapid sleeving of the blocking ring 10 at the hepatic portal of the patient, the blocking ring 10 has an arc on one side far away from the extension rope 11, and the blocking ring 10 is rapidly sleeved at the hepatic portal of the patient with the aid of a laparoscope.

Specifically, still include clamping assembly, clamping assembly can adopt hemostatic clamp or other clamp, and clamping assembly is used for centre gripping second elasticity hose 5 and fixed blocking strap subassembly 3, blocks the back with patient's hepatic portal with blocking strap subassembly 3, and clamping assembly will second elasticity hose 5 centre gripping, because the extension rope 11 that blocks on the strap 3 subassembly is located second elasticity hose 5, makes its second elasticity hose 5 and extension rope 11 centre gripping firm, keeps blocking the oppression of circle 10, prevents blocking circle 10 pine and take off.

The working principle of the utility model is as follows: when a laparoscopic operation space is established and the hilar blocking is to be performed, a 5mm incision is made in the abdominal wall, and the hilar blocking is completed according to the following steps:

the first step: the puncture core 7, the outer sleeve 6, the first elastic hose 4 and the second elastic hose 5 are integrated into a puncture abdominal wall through the incision, so that the puncture tip 12 and the first elastic hose 4 are close to the hepatic portal;

and a second step of: removing the puncture core 7, and keeping the outer sleeve 6 on the abdominal wall of the patient to serve as a channel and a blocker of the blocking tape assembly 3;

and a third step of: one end of the blocking belt component 3 with the blocking ring 10 is placed in the outer sleeve 6, the blocking belt component is placed at the rear of the left side of the hepatic duodenal ligament under the assistance of a laparoscopic instrument, the blocking ring 10 penetrates out of the right side of the ligament through the radian of the blocking ring 10, and the blocking ring 10 extends out of the outer sleeve 6 through the laparoscopic instrument and is sleeved at the hepatic portal of a patient;

fourth step: pulling the extension cord 11 to tighten the blocking ring 10 and pushing the outer sleeve 6 at the same time, so that one end of the outer sleeve 6 with the second elastic hose 5 presses the liver duodenal ligament;

fifth step: the compression is kept, the clamping component (usually a hemostatic clamp) clamps the second elastic hose 5, the outer sleeve 6 and the extension cord 11 are fixed, and the hepatic portal blocking is completed.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. A hepatic portal blocking device for laparoscopic surgery, characterized in that: comprises an outer sleeve component (1), a puncture core component (2) and a blocking belt component (3);

the two ends of the outer sleeve assembly (1) are respectively sleeved with a first elastic hose (4) and a second elastic hose (5), the puncture core assembly (2) is arranged in the outer sleeve assembly (1) in a penetrating mode, the two ends of the puncture core assembly (2) extend out of the first elastic hose (4) and the second elastic hose (5) respectively, and the outer sleeve assembly (1) is connected with the puncture core assembly (2) through a connecting assembly;

the blocking belt component (3) is used for blocking the hepatic portal after the puncture core component (2) is separated from the outer sleeve component (1).

2. The laparoscopic surgical portal blocking device according to claim 1, wherein: the outer sleeve assembly (1) comprises an outer sleeve (6), and the outer sleeve (6) is arranged in a hollow mode.

3. The laparoscopic surgical portal blocking device according to claim 2, wherein: the puncture core assembly (2) comprises a puncture core (7), and the puncture core (7) and the outer sleeve (6) are arranged in a clearance mode.

4. A laparoscopic surgical portal blocking device according to claim 3, wherein: the connecting assembly comprises an inner thread (8) arranged in the outer sleeve (6), and an outer thread (9) matched with the inner thread (8) is arranged at the position corresponding to the puncture core (7).

5. The laparoscopic surgical portal blocking device according to claim 1, wherein: the blocking belt assembly (3) comprises a blocking ring (10) for blocking the hepatic portal, and the blocking ring (10) is also connected with an extension rope (11).

6. The laparoscopic surgical portal blocking device according to claim 5, wherein: the blocking ring (10) has an arc on the side far away from the extension rope (11).

7. A laparoscopic surgical portal blocking device according to claim 3, wherein: one end of the puncture core (7) is provided with a puncture tip (12), and the other end of the puncture core (7) is provided with a holding part (13).

8. The laparoscopic surgical portal blocking device according to claim 1, wherein: the first elastic hose (4) and the second elastic hose (5) both comprise silicone hoses.

9. The laparoscopic surgical portal blocking device according to claim 1, wherein: the device further comprises a clamping assembly for clamping the second elastic hose (5) and fixing the blocking band assembly (3).