CN219516401U

CN219516401U - Pneumoperitoneum-free stretching device for laparoscopic surgery

Info

Publication number: CN219516401U
Application number: CN202320672118.3U
Authority: CN
Inventors: 王刚; 伍玲; 任肖艳; 李玟
Original assignee: Sichuan Provincial Hospital for Women and Children
Current assignee: Sichuan Provincial Hospital for Women and Children
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-15
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to a pneumoperitoneum-free stretching device for laparoscopic surgery, which is characterized by comprising a supporting rod (2), wherein a threaded through hole is formed in the top of the supporting rod (2); the bottom of the supporting rod (2) is fixedly connected with a base block (3); the outer surface of the supporting rod (2) is also sleeved with a sleeve rod (1) which can slide up and down; the base block (3) is provided with a plurality of umbrella-shaped grooves, and a main frame (4) is hinged in each groove; the bottom of the loop bar (1) is hinged with a plurality of brackets (5) corresponding to the main frames (4), and the main frames (4) are hinged with the brackets (5). By supporting and lifting from the inner side of the abdominal wall, a new wound surface is not required to be generated on the abdominal wall, and the damage to tissues, blood vessels and the like in the abdominal wall caused by the traction operation of the abdominal wall is avoided, so that the operation difficulty is reduced, the operation time is shortened, and the operation complications are reduced; the utility model has convenient use and simple operation.

Description

Pneumoperitoneum-free stretching device for laparoscopic surgery

Technical Field

The utility model relates to the technical field of auxiliary medical equipment, in particular to a pneumoperitoneum-free stretching device for laparoscopic surgery.

Background

Laparoscopic surgery has the advantages of minimally invasive treatment such as small trauma, light pain, quick recovery, reliable curative effect and the like, so that the laparoscopic surgery is more and more favored by patients, but CO needs to be filled in the laparoscopic surgery process ₂ To establish pneumoperitoneum, CO in recent years ₂ The influence of pneumoperitoneum on the body has attracted attention from many scholars. Pneumoperitoneum-free laparoscope combines the traditional open operation with the laparoscopic technique, and the indication can be further widened and safer. Laparoscopic surgery CO ₂ Pneumoperitoneum has a large influence on respiratory and circulatory systems, and causes common complications of other systems and adverse physiological reactions such as cardiac arrest, subcutaneous emphysema, liver metabolism and kidney function.

In order to create a laparoscopic operation space, the current pneumoperitoneum-free laparoscopic operation is generally performed by adopting an abdominal wall steel needle puncture suspension method. The suspension method pneumoperitoneum-free laparoscopic surgery forms an operation space by constructing an abdominal wall lifting device, does not need pneumoperitoneum and injects CO ₂ Gas, CO elimination and ₂ gas related complications have a positive effect. The abdominal suspension method is to pass through the tissue of the abdominal wall by a steel needle and pull the tissue outside the abdominal wall so as to achieve the effect of exposing the operation space under the laparoscope. Such a method has the following disadvantages: 1. the steel needle can cause the vascular injury of the abdominal wall and the formation of hematoma of the abdominal wall after operation when the abdominal wall is punctured; 2. the exposure effect of the abdominal wall tissue penetration traction for the obese patient is not ideal, for example, the risk of the abdominal wall tissue injury is increased by violent traction; 3. the needle eye formed when the suture is left on the abdomen of the suspended needle can increase the postoperative pain grading value and the infection probability of the abdomen wound.

Disclosure of Invention

The utility model aims to provide an air-free abdominal support and pull device for laparoscopic surgery, which is supported and pulled from the inner side of an abdominal wall, does not need to generate a new wound surface on the abdominal wall, and does not cause tissue, vascular injury and the like in the abdominal wall due to the abdominal wall pulling operation, thereby reducing the surgery difficulty, the surgery time and the surgery complications; the utility model has convenient use and simple operation. In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a pneumoperitoneum-free stretching device for laparoscopic surgery, which comprises a supporting rod, wherein a threaded through hole is formed in the top of the supporting rod; the bottom of the supporting rod is fixedly connected with a base block; the outer surface of the supporting rod is also sleeved with a sleeve rod capable of sliding up and down; the base block is provided with a plurality of grooves which are distributed in an umbrella shape, and a main frame is hinged in each groove; the bottom of the loop bar is hinged with a plurality of brackets corresponding to the main frame in number, and the main frame is hinged with the brackets.

Specifically, the one end of recess is equipped with spacing fixed block, spacing fixed block is used for supporting the body frame and avoids turning over down.

Specifically, the number of the brackets is at least two.

Specifically, the diameter of the base block is larger than that of the sleeve rod.

Specifically, the base block and the support rod are integrally formed.

Specifically, the device also comprises a sleeve, wherein the inner diameter of the sleeve is larger than the diameter of the base block.

Specifically, the end face of the support is arc smooth, and damage to the abdominal wall is avoided.

Specifically, the top of bracing piece still is equipped with suspension mechanism, suspension mechanism passes through screw thread and bracing piece fixed connection.

Specifically, the hanging mechanism is in a straight rod shape, and hollow rings which can be hung are respectively arranged on two sides of the hanging mechanism.

As another alternative, specifically, the top end of the suspension mechanism is hooked and connected with the support rod in a straight rod shape.

Based on the technical scheme, the embodiment of the utility model at least has the following technical effects: the operation mode that the steel needle is needed to be adopted for suspension when the abdominal wall is suspended from the outside is avoided, so that the risks of abdominal wall tissue and vascular injury are reduced, and the occurrence of related complications of pain and hematoma formation in the postoperative abdominal wall operation area is reduced; the device adopts a mode of suspending from the abdominal wall, can more effectively pull the abdominal wall tissue, and forms an operation space without pneumoperitoneum and laparoscope in the pelvic cavity, thereby reducing the operation difficulty, the operation time and the operation complication. The device is convenient to use and simple to operate.

Drawings

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

FIG. 2 is a schematic view of a recess structure of a base block according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the suspension mechanism of an embodiment of the present utility model;

FIG. 4 is a schematic view of the suspension mechanism of an embodiment of the present utility model;

wherein, 1, the loop bar; 2. a support rod; 3. a base block; 31; limiting fixed blocks; 4. a main frame; 5. a bracket; 6. and a hanging mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. The described embodiments are only some, but not all, embodiments of the utility model, and the utility model is described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, the pneumoperitoneum-free stretching device for laparoscopic surgery comprises a supporting rod 2, wherein a threaded through hole is formed in the top of the supporting rod 2; the bottom of the suspension mechanism 6 is provided with a connecting rod matched with the threaded through hole, and the suspension mechanism 6 is fixedly connected with the top of the support rod 2 through threads; the bottom of the supporting rod 2 is provided with a base block 3, and the diameter of the base block 3 is larger than that of the loop bar 1; specifically, the base block 3 and the support rod 2 are integrally formed; the outer surface of the supporting rod 2 is also sleeved with a sleeve rod 1 capable of sliding up and down, and a fine gap is formed between the inner surface of the sleeve rod 1 and the outer surface of the bracket 5, so that the sleeve rod 1 can slide up and down on the surface of the supporting rod 2; the base block 3 is provided with a plurality of grooves which are distributed in an umbrella shape, and a main frame 4 is hinged in the grooves; the bottom of the loop bar 1 is hinged with a plurality of brackets 5 with the number corresponding to that of the main frames 4, and the main frames 4 are hinged with the brackets 5; in the present embodiment, the number of main frames 4 is 6.

In this embodiment, specifically, the pneumoperitoneum-free stretching device further includes a sleeve, and the inner diameter of the sleeve is larger than the diameter of the base block 3. The sleeve rod 1 is upwards slid, the main frame 4 is contracted by the support 5 under the action force of the sleeve rod 1, the main frame 4 is in a furled state, the whole pneumoperitoneum-free stretching device can be sleeved in the sleeve from the bottom of the support rod 2, and the device is convenient to insert into the abdominal cavity during operation.

In this embodiment, a limiting fixing block 31 is further disposed between the hinged portion of the base block 3 and the main frame 4, the main frame 4 is supported by the limiting fixing block 31 to avoid the main frame 4 from turning down, when the main frame 4 moves down, the main frame 4 arm touches the limiting fixing block 31, at this time, the limiting fixing block 31 blocks the main arm from continuing to move down, and under the action of continuous external force, the main frame 4 is fixed at the position and cannot continue to prop down, so that a relatively stable state is formed.

In this embodiment, specifically, the end surface of the support 5 is arc-shaped and smooth, so as to avoid damage to the abdominal wall.

In this embodiment, specifically, the suspension mechanism 6 is a straight rod, and hollow rings for suspending are respectively disposed on two sides of the suspension mechanism.

As another alternative, specifically, the top end of the suspension mechanism 6 is hooked, and is connected to the support rod 2 in a straight rod shape.

In order to facilitate understanding of the technical scheme of the utility model, the working principle of the embodiment of the utility model is described as follows:

in the pneumoperitoneum-free stretching device for laparoscopic surgery provided by the embodiment of the utility model, the loop bar 1 is positioned at the upper end of the supporting bar 2 in a non-use state, the umbrella-shaped structure at the tail end of the device is in a furled state, and the sleeve is sleeved on the outer layer of the umbrella-shaped structure to sleeve the device. When the device is used in an operation, the device is placed into an abdominal cavity through the Tromar, the sleeve is taken out, the umbrella-shaped structure at the tail end of the device is completely placed outside the Tromar, the tail end of the supporting rod 2 is positioned outside the abdominal wall, the loop bar 1 is pushed downwards, the umbrella-shaped main frame 4 is unfolded by a certain angle, the adjusting device is used for unfolding the position, then the supporting rod 2 is pulled upwards, under the upward acting force, the main frame 4 generates a reaction force on the abdominal cavity wall, the main frame 4 moves downwards, the umbrella-shaped structure is gradually and completely unfolded, the supporting rod 2 is continuously lifted, the umbrella-shaped structure at the tail end of the device is fully unfolded to unfold the abdominal wall, after the adjustment is finished, the steel wire rope penetrates through the round hollow ring at the upper end of the hanging mechanism 6, and is hung on a special support beside a bed by an assistant under the table, so that the abdominal wall is pulled and lifted, and the operation space of the laparoscopic operation is exposed. After the operation is finished, the hanging wire at the tail end of the hanging mechanism 6 is removed, the supporting rod 2 is pushed inwards towards the abdominal cavity, the sleeve 1 is pulled outwards, the umbrella-shaped structure is folded, and the umbrella-shaped structure is directly taken out from the Torca.

The utility model avoids the operation mode that a steel needle suture is needed to be adopted for suspension when the abdominal wall is suspended from the outside, thereby reducing the risks of injury to tissues and blood vessels of the abdominal wall and reducing the occurrence of related complications of pain and hematoma formation in the postoperative abdominal wall operation area. The abdominal wall tissue can be effectively pulled by adopting a mode of suspending from the abdominal wall, and an pneumoperitoneum-free laparoscopic surgery operation space in the pelvic cavity is formed, so that the surgery difficulty is reduced, the surgery time is shortened, the surgery complication is reduced, the use is convenient, and the operation is simple.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The pneumoperitoneum-free stretching device for laparoscopic surgery is characterized by comprising a supporting rod (2), wherein a threaded through hole is formed in the top of the supporting rod (2); the bottom of the supporting rod (2) is fixedly connected with a base block (3); the outer surface of the supporting rod (2) is also sleeved with a sleeve rod (1) which can slide up and down; the base block (3) is provided with a plurality of umbrella-shaped grooves, and a main frame (4) is hinged in each groove; the bottom of the loop bar (1) is hinged with a plurality of brackets (5) corresponding to the main frames (4), and the main frames (4) are hinged with the brackets (5).

2. Pneumoperitoneum-free stretching device for laparoscopic surgery according to claim 1, characterized in that one end of the groove is provided with a limiting fixed block (31), and the limiting fixed block (31) is used for supporting the main frame (4) to avoid turning down.

3. Pneumoperitoneum free pulling device for laparoscopic surgery according to claim 2, characterized in that the number of the stents (5) is at least two.

4. Pneumoperitoneum free bracing device for laparoscopic surgery according to claim 1, characterized in that the diameter of the base block (3) is larger than the diameter of the loop bar (1).

5. Pneumoperitoneum free bracing device for laparoscopic surgery according to claim 4, characterized in that the base block (3) is integrally formed with the support bar (2).

6. Pneumoperitoneum free pulling apparatus for laparoscopic surgery according to claim 5, further comprising a sleeve having an inner diameter larger than the diameter of the base block (3).

7. Pneumoperitoneum free stretching device for laparoscopic surgery according to claim 1, characterized in that the end face of the bracket (5) is arc smooth, avoiding damage to the abdominal wall.

8. Pneumoperitoneum-free bracing device for laparoscopic surgery according to claim 1, characterized in that the top of the supporting rod (2) is further provided with a hanging mechanism (6), and the hanging mechanism (6) is fixedly connected with the supporting rod (2) through threads.

9. Pneumoperitoneum free pulling device for laparoscopic surgery according to claim 8, characterized in that the hanging mechanism (6) is in the shape of a straight rod, and two sides of the hanging mechanism are respectively provided with hollow rings for hanging.

10. Pneumoperitoneum free stretching device for laparoscopic surgery according to claim 8, wherein the top end of the hanging mechanism (6) is in a hook shape and is connected with the supporting rod (2) in a straight rod shape.