CN112545587A

CN112545587A - Fetching bag for abdominal operation

Info

Publication number: CN112545587A
Application number: CN202011486189.1A
Authority: CN
Inventors: 李胜; 阮晓岚; 王行环; 其他发明人请求不公开姓名
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2019-12-26
Filing date: 2020-12-16
Publication date: 2021-03-26
Anticipated expiration: 2040-12-16
Also published as: CN112545587B; CN112617915A; CN110882018A

Abstract

The invention relates to a fetching bag for abdominal cavity operation, which comprises a bag opening, a bag body, a drainage tube and a supporting piece; a connecting rope and a metal wire are arranged in the bag opening; one end of the metal wire is connected with the bag opening, and the other end of the metal wire extends out of the bag opening; the bag body is arranged at the lower end of the bag opening, the drainage tube is arranged on the inner wall of the bag body, one end of the drainage tube extends out of the bag body, and the drainage tube positioned in the bag body is provided with a tube hole; a ring or a hole is arranged on the metal wire in the bag opening near the position where the metal wire penetrates out of the bag opening, and the end, which is close to the metal wire and extends out of the bag opening, of the connecting rope is wound on the ring or the hole for less than or equal to two circles and then extends out of the bag opening; a rubber plug is arranged at the extending part of the connecting rope on the bag opening; the inner wall of the bag body or the bag body is internally provided with a cutting knife for cutting the tissue. The lower end of the abdominal bag body is not stuck; the drainage tube is not blocked, and the abdominal cavity is not provided with too many openings, so that the pain of a patient is relieved, and the operation efficiency is improved; can adjust the rebound speed of wire, avoid the speed too fast to cause the wound to the patient.

Description

Fetching bag for abdominal operation

Technical Field

The invention relates to the field of medical instruments, in particular to an object taking bag for abdominal cavity operation.

Background

With the development of minimally invasive surgical techniques, more and more traditional open surgery is being performed by laparoscopic techniques. In the process of laparoscopic surgery, the cut lesion tissues such as tumor and the like need to be taken out of the body of a patient in time, and the laparoscopic surgery needs to use an abdominal cavity puncture outfit and a bag; after the abdominal cavity is opened by the abdominal cavity puncture outfit, the fetching bag is sent into the body through the opening. In order to enable the object taking bag to smoothly enter the abdominal cavity, the object taking bag needs to be rolled and then is inserted into the body, but the object taking bag entering the body is difficult to unfold by itself, a doctor needs to separate the object taking bag by hands or instruments, but the space in the abdominal cavity is limited, so that the operation difficulty is high, the consumed time is long, especially, the bag opening needs to be separated, the lower end of the bag body is easy to stick together in the operation process, and the bag body needs to be separated at the moment, so that the operation efficiency is greatly influenced; in addition, when the existing object fetching bag is taken out, liquid in the bag body is easy to overflow from the bag opening; in addition, in the operation, the effusion in the abdominal cavity needs to be pumped out, the effusion in the tissue is pumped out in a way of a suction tube/drainage tube in the prior art, but the opening of the suction tube/drainage tube is easy to block, one part of the drainage tube of the object taking bag is fixed in the bag body, once the drainage tube is blocked, the normal operation of the operation is influenced, the other part of the object taking bag is separately arranged from the drainage tube, but another opening needs to be arranged on the abdominal cavity to facilitate the inlet and outlet of the drainage tube, and the pain of a patient is increased. Thus, the prior access bags suffer from a number of drawbacks.

Disclosure of Invention

The invention aims to solve the technical problem of providing a fetching bag for abdominal cavity operation, which solves the problems that the lower end of a bag body is easy to stick and overflow, a drainage tube is easy to block, the abdominal cavity is too much in opening and the like in the prior art.

The invention solves the technical problem that the fetching bag for abdominal cavity operation comprises a bag opening, a bag body, a drainage tube and a support piece;

the bag opening is a circular closed air bag made of airtight materials, a connecting rope is arranged on a semicircular ring in the bag opening, and metal wires connected with the connecting rope in an end-to-end mode are arranged on the other semicircular ring; one end of the metal wire is connected with the bag opening, and the other end of the metal wire extends out of the bag opening; the bag opening is communicated with an air bag connecting pipe;

the bag body is arranged at the lower end of the bag opening, the drainage tube is arranged on the inner wall of the bag body, one end of the drainage tube extends out of the bag body, and the drainage tube in the bag body is provided with a tube hole;

the support comprises two arc guide wires with lower end parts arranged side by side; the upper ends of the two guide wires are respectively connected with the two ends of the metal wire in the bag opening; the lower ends of the two guide wires are respectively provided with a limiting net, and one guide wire penetrates through the limiting net of the other guide wire.

Furthermore, the supporting piece is arranged in the drainage tube, and the drainage tube is communicated with a drainage connecting tube arranged outside the bag body; the upper end of the guide wire penetrates through the drainage tube and then is connected with the metal wire.

Further, a plurality of elastic plugs are also included; the metal wire is respectively plugged in the bag mouth where the guide wire is connected with the metal wire and the bag mouth where the metal wire extends out.

Furthermore, the elastic plug comprises a plug body which is plugged and fixed on the bag opening and an elastic rubber block which is embedded in the plug body; the guide wire or the metal wire penetrates through the elastic rubber block; the elastic rubber block is in a round table shape.

Furthermore, a ring or a hole is arranged on the metal wire positioned in the bag opening near the position where the metal wire penetrates out of the bag opening, and one end of the connecting rope, which is close to the position where the metal wire extends out of the bag opening, is wound on the ring or the hole for less than or equal to two circles and then extends out of the bag opening; a rubber plug is arranged at the extending part of the connecting rope on the bag opening; the inner wall of the bag body or the bag body is internally provided with a cutting knife for cutting the tissue.

Further, the length of the metal wire in the pocket is less than or equal to half of the circumference of the pocket opening.

Further, the bag further comprises a handle; the metal wire extends out of the bag opening and then is connected with the handle.

Further, the air bag connecting pipe is connected with air pumping and sending equipment; the air bag connecting pipe is arranged close to the position where the metal wire extends out of the bag opening.

Further, the drainage connecting pipe is connected with negative pressure drainage equipment; the drainage connecting pipe is arranged close to the position where the metal wire extends out of the bag opening.

Further, the pipe hole is formed in the drainage pipe located in the bottom area of the bag body.

Furthermore, a net bag is sleeved in the bag body.

The bag for abdominal cavity operation has the advantages that: because the lower end of the bag body is provided with the supporting piece, the lower end of the bag body can be propped open, and the lower end of the bag body is prevented from being stuck; the supporting piece is arranged in the drainage tube, so that the drainage tube can be dredged, the drainage tube is not blocked, the supporting piece is composed of two arc guide wires arranged at the lower end part side by side, the volume of the small bag body can be reduced after the two guide wires are mutually extruded, the small bag body is convenient to fill in an abdominal cavity, the abdominal cavity is not provided with too many openings, and the pain of a patient is relieved. Through the design of half metal wire and half connecting rope in the sack, can effectively prevent the discharge, reduced the sack volume simultaneously. Through the design of the bag opening air bag, the bag opening can be quickly opened in the abdominal cavity, and the operation efficiency is improved; the rebound speed of the metal wire can be adjusted, the wound of a patient caused by too high speed is avoided, and after the adjustment is finished, the connecting rope is tied on the part of the metal wire extending out of the bag opening; connect the rope through the pulling, can adjust the shape of wire, indirectly change the shape of the bag body to make the cutting knife produce the position change in order to shred the tissue.

Drawings

FIG. 1 is a schematic view of the structure of the object-taking bag for abdominal operation of the present invention;

FIG. 2 is a schematic top view of the pocket of FIG. 1;

FIG. 3 is an enlarged cross-sectional structural view of the elastomeric plug of FIG. 2;

FIG. 4 is an enlarged schematic view of the position limiting net of FIG. 1;

FIG. 5 is a schematic view of the support member of FIG. 4 in another position;

FIG. 6 is an enlarged schematic view of the orifice of FIG. 4 when a blockage occurs;

FIG. 7 is a schematic view of the pipe hole of FIG. 6 after being dredged;

in the figure, a bag opening 1, a bag body 2, a drainage tube 3, a tube hole 4, a guide wire 5, a limiting net 6, a metal wire 7, a connecting rope 8, an air bag connecting pipe 9, a drainage connecting pipe 10, an elastic plug 11, a plug body 12, an elastic rubber block 13, a handle 14, a rubber plug 15 and a cutting knife 16.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

The fetching bag for abdominal cavity operation as shown in fig. 1-5 comprises a bag opening 1, a bag body 2, a drainage tube 3 and a support piece;

the bag opening 1 is a circular closed air bag made of airtight materials, a connecting rope 8 is annularly arranged on a semicircle inside the bag opening, and a metal wire 7 connected with the connecting rope 8 in an end-to-end mode is annularly arranged on the other semicircle; one end of the metal wire 7 is connected with the bag opening 1, and the other end extends out of the bag opening 1; the bag opening 1 is communicated with an air bag connecting pipe 9;

the bag body 2 is arranged at the lower end of the bag opening 1, the drainage tube 3 is arranged on the inner wall of the bag body 2, one end of the drainage tube 3 extends out of the bag body 2, and the drainage tube 3 positioned in the bag body 2 is provided with a tube hole 4; the pipe hole 4 is preferably arranged on the drainage pipe 3 positioned at the bottom area of the bag body 2;

the support comprises two arc guide wires 5 with lower end parts arranged side by side; the upper ends of the two guide wires 5 are respectively connected with the two ends of the metal wire 7 positioned in the bag opening 1; the lower ends of the two guide wires 5 are respectively provided with a limiting net 6, and one guide wire 5 passes through the limiting net 6 of the other guide wire 5. In order to reduce the volume, the supporting piece is directly arranged in the drainage tube 3, the drainage tube 3 is communicated with a drainage connecting tube 10 arranged outside the bag body 2, and the drainage connecting tube 10 is connected with negative pressure drainage equipment; the upper end of the guide wire 5 is connected with the metal wire 7 after passing through the drainage tube 3. The metal wire 7 and the guide wire 5 of the embodiment have certain toughness, so that the bag opening 1 and the bag body 2 can be opened, and meanwhile, the metal wire and the guide wire can be bent, so that the metal wire and the guide wire can be pulled straight to pass through the abdominal cavity opening.

As shown in fig. 2 and 3, the cavity fetching bag further comprises a plurality of elastic plugs 11; the bag opening 1 where the guide wire 5 is connected with the metal wire 7 and the bag opening 1 where the metal wire 7 extends are respectively plugged. The elastic plug 11 comprises a plug body 12 which is plugged and fixed on the bag opening 1 and an elastic rubber block 13 which is embedded in the plug body 12; the guide wire 5 or the metal wire 7 passes through the elastic rubber block 13; the elastic rubber block 13 is in a circular truncated cone shape. As shown in fig. 3, when the metal wire 7 is pulled outwards (towards the right direction in fig. 3), the metal wire 7 extrudes the elastic rubber block 13 at the bending part, and the elastic rubber block 13 is extruded and deformed to change the direction of the hole in the elastic rubber block 13 through which the metal wire 7 passes, so that the metal wire 7 can be smoothly pulled out of the elastic plug 11, and the air bag sealing performance of the bag opening 1 is also ensured.

As shown in fig. 1, 2 and 3, a ring or a hole is arranged on the metal wire 7 positioned in the bag opening 1 near the position where the metal wire penetrates out of the bag opening 1, and the connecting rope 8 is wound on the ring or the hole at one end of the metal wire 7 extending out of the bag opening 1 for less than or equal to two circles and then extends out of the bag opening 1; a rubber plug 15 is arranged at the extending part of the connecting rope 8 on the bag opening 1; the cutting knife 16 that sets up the shredded tissue usefulness on the internal wall of bag 2 or in the bag 2, through pulling connection rope 8, can adjust the shape of wire 7, indirectly change the shape of bag 2 to make cutting knife 16 produce the position change with the shredded tissue.

The length of the metal wire 7 in the bag opening 1 is less than or equal to half of the circumference of the bag opening 1. The metal wire 7 automatically expands into an arc shape due to its elasticity after being inserted into the abdominal cavity through the abdominal cavity opening, so that the bag mouth 1 is formed,

in order to expand the bag opening 1 to be larger, the air bag connecting pipe 9 is connected with the air pumping and delivering equipment, the air bag is inflated by inflating the bag opening 1, the bag opening 1 is in a circular ring shape, the bag opening 1 is the largest at the moment, the air pumping and delivering equipment can be adjusted to deliver air pressure according to needs to adjust the inflation quantity of the bag opening 1, and therefore the caliber of the bag opening 1 is adjustable.

The bag also comprises a handle 14; the metal wire 7 extends out of the bag opening 1 and is connected with a handle 14. To reduce the number of abdominal openings, both the balloon connector 9 and the drainage connector 10 are located near the point where the wire 7 extends out of the pouch mouth 1. Preferably, the balloon connection tube 9 and the drainage connection tube 10 are arranged on the side of the handle 14.

In order to adapt to different operations, a string bag is further sleeved in the bag body 2 of the object fetching bag for abdominal cavity operations. The cut tissue is separated from the tissue fluid under the action of the net bag, which is more beneficial to the drainage tube 3 to absorb the tissue fluid.

During the use, will be used for getting of abdominal cavity operation bag oppress to the volume minimum earlier, for example sack 1 is in non-inflation state, two seal wires 5 promote each other and make two seal wires 5 region as much as possible be side by side form, and because the special design of this embodiment, two seal wires 5 will be side by side with wire 7 after side by side to whole 2 volumes of the bag body of getting of being used for abdominal cavity operation are in the minimum state, are similar to the bar-like, can be very convenient insert the abdominal cavity through the abdominal cavity opening. After the bag opening 1 and the bag body 2 of the object-taking bag for abdominal cavity operation enter the abdominal cavity, the bag opening 1 is automatically formed due to the elasticity of the metal wire 7, and the two guide wires 5 are separated under the elastic action of the metal wire 7, so that the bag body 2 at the lower end is separated; if the bag mouth 1 needs to be further expanded, the bag mouth 1 can be inflated to regulate the diameter. After the negative pressure drainage device is pneumatic, the tissue fluid in the bag body 2 can be sucked out of the bag body 2 through the drainage tube 3; because the guide wire 5 is arranged in the drainage tube 3 and is connected with the metal wire 7, when the curvature of the metal wire 7 is adjusted, the guide wire 5 can be driven to move, the limiting net 6 at the lower end of the guide wire 5 slides in the drainage tube 3, the tissue which is easy to block the tube hole 4 in the drainage tube 3 is pushed away from the tube hole 4, a good dredging effect is achieved, and the operation can be directly completed through the handle 14. The specific pipe hole 4 is dredged as shown in schematic diagrams 6 and 7, a certain pipe hole 4 in fig. 6 is blocked by partial tissues, a certain tissue fluid is also contained in the drainage tube 3, at the moment, only the guide wire 5 needs to be pulled, so that the limiting net 6 moves along with the movement of the guide wire and causes the fluctuation of the tissue fluid, the tissue at the pipe hole 4 can be jacked open by the force generated when the tissue fluid fluctuates to realize the dredging, meanwhile, the tissue can be directly pushed away through the limiting net 6, and the tissue falls to the bottom of the drainage tube 3 as shown in fig. 7; the pipe hole 4 is dredged, and the fallen tissue particles can be crushed under the mutual extrusion action of the two limiting nets 6 and then sucked out.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An object-taking bag for abdominal cavity operation is characterized in that: comprises a bag opening (1), a bag body (2), a drainage tube (3) and a supporting piece;

the bag opening (1) is a circular closed air bag made of airtight materials, a connecting rope (8) is arranged on a semicircular ring in the bag opening, and a metal wire (7) connected with the connecting rope (8) end to end is arranged on the other semicircular ring; one end of the metal wire (7) is connected with the bag opening (1), and the other end of the metal wire extends out of the bag opening (1); the bag opening (1) is communicated with an air bag connecting pipe (9);

the bag body (2) is arranged at the lower end of the bag opening (1), the drainage tube (3) is arranged on the inner wall of the bag body (2), one end of the drainage tube (3) extends out of the bag body (2), and a tube hole (4) is formed in the drainage tube (3) positioned in the bag body (2);

the support comprises two arc guide wires (5) with lower end parts arranged side by side; the upper ends of the two guide wires (5) are respectively connected with two ends of the metal wire (7) which are positioned in the bag opening (1); the lower ends of the two guide wires (5) are respectively provided with a limiting net (6), and one guide wire (5) penetrates through the limiting net (6) of the other guide wire (5).

2. The extraction bag for abdominal surgery as recited in claim 1, wherein: the support piece is arranged in the drainage tube (3), and the drainage tube (3) is communicated with a drainage connecting tube (10) arranged outside the bag body (2); the upper end of the guide wire (5) penetrates through the drainage tube (3) and then is connected with the metal wire (7).

3. The extraction bag for abdominal surgery as recited in claim 1, wherein: also comprises a plurality of elastic plugs (11); are respectively plugged at the bag mouth (1) where the guide wire (5) is connected with the metal wire (7) and the position where the metal wire (7) extends out of the bag mouth (1).

4. The extraction bag for abdominal surgery as recited in claim 3, wherein: the elastic plug (11) comprises a plug body (12) which is plugged and fixed on the bag opening (1) and an elastic rubber block (13) which is embedded in the plug body (12); the guide wire (5) or the metal wire (7) penetrates through the elastic rubber block (13); the elastic rubber block (13) is in a circular truncated cone shape.

5. The extraction bag for abdominal surgery as recited in claim 1, wherein: a ring or a hole is arranged on the metal wire (7) positioned in the bag opening (1) at a position close to the position where the metal wire (7) penetrates out of the bag opening (1), and the connecting rope (8) extends out of the bag opening (1) after being wound on the ring or the hole for less than or equal to two circles; a rubber plug (15) is arranged at the extending part of the connecting rope (8) on the bag mouth (1); a cutting knife (16) for cutting the tissue is arranged on the inner wall of the bag body (2) or in the bag body (2).

6. The extraction bag for abdominal surgery as recited in claim 1, wherein: the bag further comprises a handle (14); the metal wire (7) extends out of the bag opening (1) and then is connected with the handle (14).

7. The extraction bag for abdominal surgery as recited in claim 1, wherein: the air bag connecting pipe (9) is connected with air pumping and sending equipment; the air bag connecting pipe (9) is arranged close to the position where the metal wire (7) extends out of the bag opening (1).

8. The extraction bag for abdominal surgery of claim 2, wherein: the drainage connecting pipe (10) is connected with negative pressure drainage equipment; the drainage connecting pipe (10) is arranged close to the position where the metal wire (7) extends out of the bag opening (1).

9. The extraction bag for abdominal surgery as recited in claim 1, wherein: the pipe hole (4) is arranged on the drainage pipe (3) positioned in the bottom area of the bag body (2).

10. The extraction bag for abdominal surgery as recited in claim 1, wherein: a net bag is also sleeved in the bag body (2).