CN203303395U - Body cavity drainage tube kit - Google Patents

Abstract

The utility model discloses a body cavity drainage tube kit, which comprises an air bag front cover, an outer tube, an air bag inflation tube, a diluent tube, an air pressure regulating tube and a body cavity wall sheath; The sleeve, from the original pressure point contact to the surface contact of the airbag, greatly reduces the possibility of damage to tissues and organs in the body caused by long-term indwelling of the drainage tube, and significantly reduces the incidence of common clinical complications such as gastrointestinal fistula and intrathoracic intraperitoneal hemorrhage; The outer cannula is equipped with a diluent tube and an air pressure regulating tube to provide the water and gas required by the drainage end; it is equipped with a body cavity wall sheath, and the outer cannula can be rotated independently to obtain a better drainage effect during the drainage process. It is necessary to rub the body cavity wall, which can greatly reduce the pain of the patient, improve the patient's tolerance to drainage, reduce the damage, and effectively improve the safety and effectiveness of the drainage operation. In addition, the overall structure of the utility model is simple, Easy to manufacture and low cost.

Description

Body Cavity Drain Kit

technical field

The utility model relates to the technical field of medical devices, in particular to a body cavity drainage tube set used for drainage of body cavity fluid or necrotic tissue.

Background technique

As we all know, the control of surgical infection is a major focus and difficulty in the current medical field. Thoracic and abdominal drainage is one of the most important and main treatment methods for clinical surgical treatment of surgical infection. The quality of drainage often determines the patient's therapeutic effect and Disease progression and outcome. In patients with surgical infection, such as severe necrotizing pancreatitis and refractory abdominal infection caused by gastrointestinal fistula, which are common in clinical practice, abdominal drainage becomes an extremely critical treatment measure. Therefore, body cavity drainage has an irreplaceable position in modern medicine, especially in the treatment of surgical infection.

At present, common clinical drainage includes rubber drainage tube, silicone drainage tube, double cannula and triple cannula, etc. However, all commonly used drainage tubes have various disadvantages.

1. At present, double-cannula or even triple-cannula are the most commonly used for body cavity drainage, because the outer cannula is hard and can withstand the extrusion of surrounding tissues without deformation. The drainage effect is relatively good, but long-term contact or oppression of organs and tissues in the body cavity Or blood vessels, often produce complications that outweigh the gains, such as long-term compression of the gastrointestinal tract, resulting in local ischemic necrosis and gastrointestinal fistula, compression of large blood vessels and bleeding, etc., so its application range is greatly limited to some extent;

Softer drainage tubes such as rubber drainage tubes are often squeezed and flattened by surrounding organs or tissues, which greatly reduces the drainage effect.

2. Drainage in the body cavity often requires a long-term indwelling drainage tube. Since the drainage fluid is mostly necrotic tissue, it is often necessary to rotate the outer cannula during the drainage process to increase the drainage effect. However, the rotation process often causes pain and discomfort for the patient, which is unacceptable and can increase drainage. Bleeding from the orifice is possible.

3. After the current drainage tube is placed in place, the drainage tube is relatively constant. When the drainage around the drainage end is exuded or necrotic tissue is drained to a certain extent, the position of the drainage end needs to be changed and the tube needs to be replaced. Multiple catheterizations are required, which greatly increases the incidence of complications and the suffering of patients.

4. At present, the clinical fixation of the body cavity drainage tube is mainly by sewing needles on the skin near the drainage tube and then using the tail thread to go around the tube wall and then tie a knot to prevent the drainage tube from prolapse. However, if the depth of the drainage tube needs to be adjusted Needle stitches need to be re-fixed after the stitches are removed, which increases the pain of the patient and the chance of infection.

Therefore, it is particularly important to seek a drainage kit that has a good drainage effect and will not or minimize damage to surrounding tissues and organs, so as to improve the drainage effect and reduce complications. It will greatly improve the therapeutic effect of clinical treatment of surgical infection and significantly reduce the mortality rate of surgical infection.

Utility model content

The purpose of this utility model is to provide a body cavity drainage tube set with ingenious and reasonable structural design, convenient operation, good drainage effect, no or minimal damage to surrounding tissues and organs, and reduced complications.

In order to achieve the above object, the technical solution provided by the utility model is: a body cavity drainage tube set, which includes an air bag front sleeve, an outer sleeve, an air bag inflation tube, a diluent tube, an air pressure regulating tube and a body cavity wall sheath, the outer sleeve A number of drainage holes are evenly distributed on the front end of the tube, the front sleeve of the airbag is sleeved on the front end of the outer sleeve, and an opening corresponding to the drainage hole is provided, the airbag inflation tube is inserted into the outer sleeve, and Connected with the front sleeve of the airbag, the diluent tube is inserted into the outer sleeve, and the head slightly protrudes from the front end of the outer sleeve, and the head of the diluent tube is provided on the front sleeve of the airbag. The air pressure regulating tube is inserted into the outer casing until it extends to the front of the outer casing, and the body cavity wall sheath is arranged at the tail of the outer casing.

As an improvement of the present utility model, the outline of the drainage holes is one or a combination of circular, square, prismatic or strip shapes.

As an improvement of the utility model, the outline of the drainage hole is circular, and the diameter of the drainage hole is 3-8mm.

As an improvement of the utility model, the outer sleeve has a diameter of 5-20mm and a length of 150-400mm.

As an improvement of the present utility model, the front cover of the airbag is a single-layer structure, and its edge position is bonded to the outer side wall of the outer sleeve, so that a gap is formed between the inner side wall and the outer side wall of the outer sleeve. A closed air cavity, the air bag inflation tube is connected with the air cavity.

As an improvement of the utility model, the front end of the airbag front cover is provided with a spherical protrusion, and the opening is located on one side of the spherical protrusion.

As an improvement of the present utility model, the body cavity wall sheath includes a skin fixing sheath and a sleeve body arranged on the skin fixing sheath, and the sleeve body is provided with a movable sleeve hole matching the outer sleeve , the skin fixing sheath is provided with a plurality of fixing holes arranged symmetrically around the center of a circle.

As an improvement of the utility model, the outer surface of the tail of the outer casing is provided with a scale recess for displaying the insertion depth, and a snap ring matching the scale recess is provided in the movable sleeve hole, There is an interference fit between the clasp and the outer sleeve.

As an improvement of the utility model, it also includes a traction rope, one end of the traction rope extends into the outer casing, and is connected with the inner side wall of the front end of the outer casing.

As an improvement of the utility model, it also includes a negative pressure drainage tube, which is inserted into the outer sleeve until it extends to the front of the outer sleeve, and the diameter of the negative pressure drainage tube is larger than that of the diluent tube The diameter of the diluent pipe is consistent with the pipe diameter of the air pressure regulating pipe.

The beneficial effects of the utility model are: the utility model has an ingenious and reasonable structural design, and the outer sleeve has a certain strength, so as not to be squeezed flat by the tissue and the opening of the human skin in the body cavity; at the same time, the outer sleeve needs to be as soft and soft as possible. Smooth to reduce its damage to tissues and organs in the body cavity. The front part of the outer cannula is wrapped with an airbag front cover, which changes from the original pressure point contact to the surface contact of the airbag, which greatly reduces the possibility of damage to internal tissues and organs caused by long-term indwelling of the drainage tube, and significantly reduces digestive tract fistula, thoracic and abdominal cavity. The incidence of common clinical complications such as massive bleeding; the body cavity wall sheath made of a different material from the overtube is used in the direct contact with the body cavity wall. During the drainage process, the overtube can be rotated independently to obtain a better drainage effect. When rotating at the same time, There is no need to rub against the body cavity wall, which greatly reduces the pain of the patient and improves the patient's tolerance to drainage; a diluent tube and an air pressure regulating tube are provided inside the outer cannula to provide the water and gas required by the drainage end; By tightening or loosening the traction rope, the angle of the drainage tube can be changed to a certain extent to increase the drainage effect; there is a scale at the end of the outer cannula, which can be used in conjunction with the body cavity wall sheath, which is convenient for medical staff to observe the depth of the outer cannula Changes to ensure the safety of use. In addition, the utility model has a simple overall structure, is easy to manufacture, and has low cost, which is favorable for wide popularization and application. the

Below in conjunction with accompanying drawing and embodiment, the utility model is further described.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model.

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1 .

Fig. 3 is a schematic structural view of the front cover of the airbag in Fig. 1 .

Fig. 4 is a schematic structural view of the outer sleeve in Fig. 1 .

Fig. 5 is a schematic cross-sectional structure diagram of the body cavity wall sheath in Fig. 3 .

Detailed ways

Referring to Fig. 1 to Fig. 5, a body cavity drainage tube kit provided in this embodiment includes a balloon front sleeve 1, an outer tube 2, a balloon inflation tube 3, a diluent tube 4, an air pressure regulating tube 5 and a body cavity wall sheath 6, A number of drainage holes 21 are uniformly distributed on the front end of the outer sleeve 2 . The distribution length of these drainage holes 21 accounts for about 1/3 of the total length of the outer sleeve 2 . These drainage holes 21 allow body cavity seepage or necrotic tissue to enter the outer sleeve 2 . The outer sleeve 2 needs to have a certain strength so that it will not be crushed by tissues and human skin openings in the body cavity; at the same time, the outer sleeve 2 needs to be as soft and smooth as possible to reduce its damage to tissues and organs in the body cavity.

The front cover 1 of the airbag is sleeved on the front end of the outer tube 2, and is provided with an opening 11 corresponding to the drainage hole 21. The position of the drainage hole 21 is the same as that of the opening 11 on the front cover 1 of the airbag. Correspondingly, realize the drainage function. The airbag inflation tube 3 is inserted into the outer casing 2 and connected with the airbag front cover 1 . Compared with conventional medical drainage tubes, the outer sleeve 2 is made of plastic material with relatively lower hardness. The purpose is to reduce the hardness of the outer sleeve 2 after the design of the front sleeve 1 of the balloon and the sheath 6 of the body cavity wall. The risk of damage to tissues and organs can also facilitate the bending of the outer cannula 2 . The front end of the outer cannula 2 is wrapped with the airbag front sleeve 1, so that the contact between the organ or tissue and the outer cannula 2 changes from the original pressure point contact to the surface contact of the airbag, which greatly reduces the damage to tissues and organs in the body caused by long-term indwelling of the drainage tube It can significantly reduce the incidence of common clinical complications such as gastrointestinal fistula and intraperitoneal hemorrhage.

At the same time, around the drainage hole 21, there is also the protection of the front cover 1 of the air bag, so that the tissues and trachea of the human body can hardly touch the relatively hard outer tube 2 after the body cavity drainage tube set enters; the front cover 1 of the air bag and the outer tube 2 are fixed in position; The front cover 1 of the airbag has a certain stretching elasticity; the front cover 1 of the airbag extends out of the outer casing 2 through the airbag inflation tube 3 to adjust the air pressure of the airbag.

The diluent tube 4 is inserted into the outer sleeve 2, and the head protrudes slightly from the front end of the outer sleeve 2, and the front cover 1 of the airbag is provided with a hole that allows the head of the diluent tube 4 to be exposed. The opening 12, the diluent tube 4 directly comes out from the front end of the outer cannula 2, and its purpose is to provide a channel for injecting diluent during the drainage process, so as to increase the drainage effect of drainage of exudate and necrotic tissue.

The air pressure regulating tube 5 is inserted into the outer casing 2 until extending to the front of the outer casing 2 . The air pressure regulating tube 5 ends at the front part of the outer tube 2, and its purpose is to provide a small air channel connected with the outside atmosphere, so as to avoid excessive negative pressure in the body cavity caused by the continuous suction of negative pressure during the drainage process. Various side effects.

The body cavity wall sheath 6 is arranged at the tail of the outer sleeve 2 . The body cavity wall sheath 6 includes a skin fixation sheath 61 and a sleeve body 62 arranged on the skin fixation sheath 61. The sleeve body 62 is provided with a movable sleeve hole 63 that is compatible with the outer sleeve 2. The skin fixing sheath 61 is provided with a plurality of fixing holes 64 arranged symmetrically around the center of the circle. The outer sleeve 2 does not directly contact the skin, but is in contact with the skin by the skin fixing sheath 61 with a thin wall and relatively high hardness, and keeps the relative position fixed. Through the design of the separation of the skin fixing sheath 61 and the outer sleeve 2, it can realize When the inner outer sleeve 2 is rotated, the skin incision part will hardly be affected in any way. The body cavity wall sheath 6 is preferably made of a material different from that of the overtube 2, that is, a material with a higher hardness. During the drainage process, the outer sleeve 2 can be rotated independently to obtain a better drainage effect, and when rotating, the outer sleeve 2 rotates in the movable sleeve hole 63, and the skin fixing sheath 61 is fixed relative to the body cavity wall, and does not need to rub against the body cavity wall It can be rotated, greatly reducing the pain of the patient and improving the patient's tolerance to drainage.

The outer surface of the tail part of the outer sleeve 2 is provided with a scale recess 22 for displaying its insertion depth, and a snap ring 65 matching the scale recess 22 is provided in the movable sleeve hole 63, the snap ring 65 is an interference fit with the outer sleeve 2 . A scale is provided at the tail of the overtube 2, which can be used in conjunction with the body cavity wall sheath 6, which is convenient for medical personnel to observe changes in the depth and position of the overtube 2, and ensures the safety of use.

A snap ring 65 is provided in the movable sleeve hole 63, and the snap ring 65 is an interference fit relationship with the outer wall of the outer sleeve 2. The position of the snap ring 65 and the scale recess 22 of the outer sleeve 2 is a loose fit relationship, and the outer sleeve 2 can It is convenient to go deep, but not easy to come out; at the same time, through the relative position between the movable sleeve hole 63 and the scale recess 22, it is convenient to observe the depth of the body cavity drainage tube set, and it is very easy to judge the body cavity drainage tube set combined with clinical records Whether there is a position change after the fixed indwelling; on the skin fixing sheath 61, there are some fixing holes 64, after the position of the body cavity wall sheath 6 is fixed, the mode of suture is used to fix the body cavity wall steep.

In this embodiment, the outline of the drainage hole 21 is preferably circular, and the diameter of the drainage hole 21 is 3-8 mm. In other embodiments, the outline of the drainage holes 21 may be one or a combination of circular, square, prismatic or strip shapes.

In this embodiment, the diameter of the outer sleeve 2 is preferably 5-20 mm, and the length is preferably 150-400 mm.

The air bag front cover 1 is a single-layer structure, and its edge position is bonded to the outer wall of the outer sleeve 2, so that a closed air cavity is formed between its inner wall and the outer wall of the outer sleeve 2. The air bag inflation tube 3 is connected with the air cavity.

The front end of the airbag front cover 1 is provided with a spherical protrusion 13 , and the opening 12 is located on one side of the spherical protrusion 13 . The opening 12 is not arranged at the central position, which effectively avoids the opening 12 from being blocked, facilitates use and improves the effectiveness of the operation.

In this embodiment, the body cavity drainage tube set further includes a traction rope 7 , one end of the traction rope 7 extends into the outer sleeve 2 and is connected to the inner side wall of the front end of the outer sleeve 2 . During use, the angle of the drainage tube can be changed to a certain extent by tightening or loosening the traction rope 7 to increase the drainage effect.

In this embodiment, the body cavity drainage tube set also includes a negative pressure drainage tube 8, which is inserted into the outer sleeve 2 until it extends to the front of the outer sleeve 2, and the tube of the negative pressure drainage tube 8 The diameter is greater than the diameter of the diluent pipe 4, and the diameter of the diluent pipe 4 is consistent with the diameter of the air pressure regulating pipe 5.

When in use, due to the airbag front cover 1, the original pressure point contact can be transformed into airbag surface contact, which greatly reduces the possibility of damage to tissues and organs in the body caused by long-term indwelling of the drainage tube, and significantly reduces digestive tract fistula, thoracic and abdominal cavity. The incidence of common clinical complications such as massive bleeding; during the drainage process, due to the body cavity wall sheath 6, the outer sleeve 2 can be rotated independently to obtain a better drainage effect, and at the same time, there is no need to rub the body cavity wall when rotating, which greatly reduces The pain of the patient, the patient's tolerance to drainage is improved, the damage is small, and the safety and effectiveness of the drainage operation are effectively improved.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model. As described in the above embodiments of the utility model, other drainage devices obtained by using the same or similar components are within the protection scope of the utility model.

Claims (10)

1. A body cavity drainage tube set, characterized in that: it includes an air bag front cover, an outer sleeve, an air bag inflation tube, a diluent tube, an air pressure regulating tube and a body cavity wall sheath, and the front end of the outer sleeve is evenly distributed with some drainage holes , the airbag front sleeve is set on the front end of the outer sleeve, and is provided with an opening corresponding to the drainage hole, the airbag inflation tube is inserted into the outer sleeve, and connected with the airbag front sleeve, The diluent tube is inserted into the outer sleeve, and the head protrudes slightly from the front end of the outer sleeve, and an opening is provided on the front sleeve of the airbag to expose the head of the diluent tube, and the air pressure adjustment A tube is inserted into the overtube until it extends to the front of the overtube, and the body lumen wall sheath is disposed aft of the overtube. 2 . The body cavity drainage tube set according to claim 1 , wherein the outline of the drainage hole is one or a combination of circular, square, prismatic or strip-shaped. 3 . 3 . The body cavity drainage tube set according to claim 1 , wherein the outline of the drainage hole is circular, and the diameter of the drainage hole is 3-8 mm. 4 . 4 . The body cavity drainage tube set according to claim 1 , characterized in that, the outer sleeve has a diameter of 5-20 mm and a length of 150-400 mm. 5. The body cavity drainage tube set according to claim 1, wherein the front cover of the air bag is a single-layer structure, and its edge position is bonded to the outer side wall of the outer sleeve so that the inner side wall thereof is in contact with the outer side wall. A closed air cavity is formed between the outer sidewalls of the outer casing, and the air bag inflation tube is connected with the air cavity. 6 . The body cavity drainage tube set according to claim 1 , wherein a spherical protrusion is provided on the front end of the air bag front cover, and the opening is located on one side of the spherical protrusion. 7 . 7. The body cavity drainage tube set according to claim 1, wherein the body cavity wall sheath comprises a skin fixing sheath and a sleeve body arranged on the skin fixing sheath, the sleeve body is provided with the The outer cannula is matched with movable sleeve holes, and the skin fixation sheath is provided with a plurality of fixation holes symmetrically arranged around the center of a circle. 8. The body cavity drainage tube set according to claim 7, characterized in that, the outer surface of the tail of the outer sleeve is provided with a scale recess for displaying the depth of insertion, and in the movable sleeve hole is provided with a The scale concave position is matched with the clasp ring, and the clasp ring and the outer sleeve are interference fit. 9 . The body cavity drainage tube set according to claim 1 , further comprising a traction rope, one end of the traction rope extends into the outer sleeve and is connected to the inner wall of the front end of the outer sleeve. 10. The body cavity drainage tube set according to claim 1, further comprising a negative pressure drainage tube, which is inserted into the outer sleeve until it extends to the front of the outer sleeve, and the negative pressure The diameter of the drainage tube is larger than that of the diluent pipe, and the diameter of the diluent pipe is the same as that of the air pressure regulating pipe.

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