Drainage double-sleeve

Abstract

The utility model provides a drainage double-sleeve, which comprises an outer sleeve, a plurality of drainage grooves, a plurality of drainage tubes and a plurality of drainage tubes, and is characterized in that the bottom of the outer sleeve is provided with a plurality of drainage grooves; a part of the inner sleeve pipe is located in the outer sleeve pipe, and the inner sleeve pipe is used for draining liquid in the outer sleeve pipe; the outer sleeve adjusts the air pressure with the outside through the drainage groove, and negative pressure is prevented from being formed in the outer sleeve. A first through hole is formed in the side edge of the outer sleeve, and the inner sleeve is connected with the outer sleeve in a sleeved mode through the first through hole. A plurality of drainage grooves are formed in the outer sleeve, when liquid in the outer sleeve is sucked out through the inner sleeve, circulation of air inside and outside the outer sleeve is guaranteed, and the situation that negative pressure is formed by the air in the outer sleeve, consequently, the air in the outer sleeve does not circulate, and taking out of the liquid in the outer sleeve is affected is avoided. The drainage groove can be effectively prevented from being blocked to affect use.

Description

Technical Field

[0001] The present application relates to a drainage tube, and in particular to a double drainage tube. Background Art

[0002] Double-cannula drainage is a common surgical operation. A tube is inserted inside the drainage tube to absorb the accumulated fluid in the human body. However, negative pressure is prone to occur in the process of absorbing the internal fluid. Although there is a hole on the top of the drainage tube, as the use time increases, the hole is easily blocked by soft tissues such as the peritoneum, thereby causing negative pressure inside the drainage tube again, causing inconvenience to the later removal of the tube and increasing the patient's pain and discomfort. Utility Model Content

[0003] The embodiment of the present application provides a double drainage cannula to solve the problems existing in the related technology. The technical solution is as follows:

[0004] The present application embodiment provides a double drainage cannula, comprising:

[0005] An outer sleeve, wherein a plurality of drainage grooves are provided at the bottom of the outer sleeve;

[0006] An inner sleeve, part of which is located inside the outer sleeve, and is used to drain the liquid in the outer sleeve;

[0007] Wherein, the outer sleeve adjusts the air pressure with the outside through the drainage groove to prevent the formation of negative pressure in the outer sleeve.

[0008] In one embodiment,

[0009] A first through hole is provided on the side of the outer sleeve, and the inner sleeve is sleeved with the outer sleeve through the first through hole.

[0010] In one embodiment,

[0011] One end of the outer sleeve located in the human body is an arc-shaped end, and a second through hole is provided on the arc-shaped end of the outer sleeve.

[0012] In one embodiment, it further includes:

[0013] A connecting seat is installed on one end of the outer sleeve located outside the human body, and the first through hole is located below the connecting seat.

[0014] In one embodiment, it further includes:

[0015] An extension tube is detachably connected to the connection seat.

[0016] In one embodiment,

[0017] The extension tube comprises:

[0018] tube body;

[0019] A tightener, the tightener is connected to one end of the tube body, and the tightener is screwed and connected to the connecting seat;

[0020] The tailstock is connected to an end of the tube body away from the tightener, and the tailstock is connected to other instruments.

[0021] In one embodiment,

[0022] The connecting seat is provided with a water inlet, and the water inlet is provided with a sealing plug.

[0023] In one embodiment,

[0024] The connecting seat is also provided with a medicine inlet, and the medicine inlet is provided with a sealing plug.

[0025] In one embodiment,

[0026] The outer sleeve is marked with scales.

[0027] In one embodiment,

[0028] The outer sleeve is also provided with a developing line.

[0029] The advantages or beneficial effects of the above technical solution include at least:

[0030] By opening a plurality of drainage grooves on the outer sleeve, when the inner sleeve sucks out the liquid in the outer sleeve, the circulation of gas inside and outside the outer sleeve is ensured, avoiding the formation of negative pressure of gas inside the outer sleeve, resulting in the blockage of gas in the outer sleeve and affecting the removal of liquid in the outer sleeve. Compared with the traditional form of opening air holes on the outer sleeve, it can effectively avoid the blockage of the drainage groove and affect the use.

[0031] The above summary is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present application will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the multiple drawings represent the same or similar parts or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings only depict some embodiments disclosed in the present application and should not be regarded as limiting the scope of the present application.

[0033] Figure 1It is a structural schematic diagram of the utility model;

[0034] Figure 2 for Figure 1 A schematic diagram of the cross-sectional structure of the bottom of the middle outer casing;

[0035] Figure 3 for Figure 1 A schematic diagram of the three-dimensional structure of the bottom of the middle outer casing;

[0036] In the figure: 100, double sleeve;

[0037] 110, outer sleeve; 111, drainage groove; 112, first through hole; 113, second through hole; 114, scale; 115, developing line;

[0038] 120, inner casing;

[0039] 130, connecting seat; 131, water inlet; 132, medicine inlet;

[0040] 140. Extension tube; 141. Tube body; 142. Tightener; 143. Tail stock. DETAILED DESCRIPTION

[0041] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present application. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0042] Figure 1-Figure 3 FIG. 1 shows a structural diagram of a double drainage cannula 100 according to an embodiment of the present application. Figure 1-Figure 3 As shown, the double sleeve 100 may include:

[0043] The embodiment of the present application provides a double drainage cannula 100, comprising:

[0044] An outer sleeve 110, wherein a plurality of drainage grooves 111 are formed at the bottom of the outer sleeve 110;

[0045] An inner sleeve 120, part of which is located inside the outer sleeve 110, and the inner sleeve 120 is used to drain the liquid in the outer sleeve 110;

[0046] The outer sleeve 110 adjusts the air pressure with the outside through the drainage groove 111 to prevent negative pressure from forming in the outer sleeve 110 .

[0047] In this embodiment, one end of the outer sleeve 110 is placed inside the human body, and a plurality of drainage grooves 111 are provided on the outer sleeve 110, and the inner sleeve 120 is inserted into the outer sleeve 110, and a liquid medicine or clean water is added into the outer sleeve 110 to clean the inside of the human body. After the cleaning is completed, the liquid in the outer sleeve 110 is sucked out through the inner sleeve 120, and the drainage grooves 111 ensure the circulation of the gas inside the outer sleeve 110 with the outside, so as to avoid the formation of negative pressure inside the outer sleeve 110, which affects the suction of the liquid in the outer sleeve 110;

[0048] By opening a plurality of drainage grooves 111 on the outer sleeve 110, when the inner sleeve 120 sucks out the liquid in the outer sleeve 110, the circulation of gas inside and outside the outer sleeve 110 is ensured, and negative pressure is avoided in the gas inside the outer sleeve 110, which causes the gas in the outer sleeve 110 to not circulate, affecting the removal of the liquid in the outer sleeve 110. Compared with the traditional form of opening air holes on the outer sleeve 110, the blockage of the drainage grooves 111 and the influence on the use can be effectively avoided. By setting a plurality of drainage grooves 111, when a few of the drainage grooves 111 are blocked, the gas replacement between the inner sleeve 110 and the outside can still be ensured, and the length of the drainage groove 111 is about 10-20 mm, and the width is about 5-8 mm, so that soft tissues such as the peritoneum can enter the inner sleeve 110 through the drainage grooves 111.

[0049] It should be noted that the drainage groove 111 can be a long strip structure, a strip structure opened obliquely, or a square hole with a larger diameter, so as to avoid sucking soft tissues such as the peritoneum into the drainage groove 111 and causing blockage during the process of the inner sleeve 120 absorbing liquid.

[0050] like Figure 1 As shown, in one embodiment,

[0051] A first through hole 112 is formed on a side of the outer sleeve 110 , and the inner sleeve 120 is sleeved with the outer sleeve 110 through the first through hole 112 .

[0052] In this embodiment, a first through hole 112 is opened on the side of the outer sleeve, and the inner sleeve 120 can be placed into the outer sleeve 110 through the first through hole 112. When the outer sleeve 110 is not in use, it can be sealed by a sealing plug. The first through hole 112 cooperates with the drainage groove 111 to ensure the fluidity of the gas inside the outer sleeve 110 and avoid the formation of negative pressure inside the outer sleeve 110.

[0053] like Figure 1-Figure 3 As shown, in one embodiment,

[0054] One end of the outer sleeve 110 located in the human body is an arc-shaped end, and a second through hole 113 is formed on the arc-shaped end of the outer sleeve 110 .

[0055] In this embodiment, the end of the outer sleeve 110 located in the human body is an arc-shaped end, which is convenient for one end of the outer sleeve 110 to be placed inside the human body. The arc-shaped end can effectively protect human tissue and avoid scratches on the inner membrane. The second through hole 113 can allow human tissue fluid or body fluid to enter the outer sleeve 110, which is convenient for the inner sleeve 120 to collect.

[0056] like Figure 1 As shown, in one embodiment, it also includes:

[0057] The connecting seat 130 is installed on one end of the outer sleeve 110 located outside the human body, and the first through hole 112 is located below the connecting seat 130 .

[0058] In this embodiment, the outer sleeve 110 is connected to other components via a connecting seat 130 , and the connecting seat 130 has threads to facilitate installation and removal of other instrument components and the connecting seat 130 .

[0059] like Figure 1 As shown, in one embodiment, it also includes:

[0060] The extension tube 140 is detachably connected to the connection seat 130 .

[0061] The extension tube 140 includes:

[0062] Tube body 141;

[0063] A tightener 142, the tightener 142 is connected to one end of the tube body 141, and the tightener 142 is screwed and connected to the connecting seat 130;

[0064] The tailstock 143 is connected to one end of the tube body 141 away from the tightener 142 , and the tailstock 143 is connected to other instruments.

[0065] In this embodiment, the extension tube 140 is connected to the thread on the connecting seat 130 through a tightener 142, which facilitates the installation and removal of the extension tube 140. The extension tube 140 is connected to other components through a tail seat 143, and the outer sleeve 110 can also be extended.

[0066] like Figure 1 As shown, in one embodiment,

[0067] The connection seat 130 is provided with a water inlet 131 , and the water inlet 131 is provided with a sealing plug.

[0068] In this embodiment, clean water is added into the outer sleeve 110 through the water inlet 131 to clean the inside of the outer sleeve 110, and is sucked out through the inner sleeve 120. When there is no need to inject clean water into the outer sleeve 110, the water inlet 131 is blocked by a sealing plug to prevent external bacteria from entering.

[0069] like Figure 1 As shown, in one embodiment,

[0070] The connection seat 130 is also provided with a medicine inlet 132 , and the medicine inlet 132 is provided with a sealing plug.

[0071] In this embodiment, liquid medicine is added into the outer sleeve 110 through the medicine inlet 132, and the inner membrane is flushed with medicine through the drainage groove 111 on the outer sleeve 110. The liquid medicine after flushing returns to the outer sleeve 110 and is sucked out through the inner sleeve 120. When there is no need to inject liquid medicine into the outer sleeve 110, the medicine inlet 132 is blocked by a sealing plug to prevent external bacteria from entering.

[0072] like Figure 1 As shown, in one embodiment,

[0073] The outer sleeve 110 is marked with scale 114 .

[0074] In this embodiment, the outer sleeve 110 is made of transparent material to facilitate observation of the interior. The scale 114 on the outer sleeve 110 facilitates observation of the amount of liquid in the outer sleeve 110, and the inner sleeve 120 is controlled to suck out the liquid in the outer sleeve 110 according to the scale 114. At the same time, the depth to which the outer sleeve 110 enters the human body can also be judged according to the scale 114.

[0075] like Figure 1 As shown, in one embodiment,

[0076] The outer sleeve 110 also has a developing line 115 .

[0077] In this embodiment, the developing line 115 is set to provide a reference for the liquid in the outer sleeve 110 to facilitate observation of the page position. The developing line 115 is mostly brighter in color, which contrasts with the color of the liquid in the outer sleeve 110 , making it easier to observe the amount of liquid in the outer sleeve 110 .

[0078] The functions of each module in each device of the embodiment of the present utility model can refer to the corresponding description in the above method, which will not be repeated here.

[0079] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0080] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0081] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A double drainage cannula, characterized in that: include: An outer sleeve, wherein a plurality of drainage grooves are provided at the bottom of the outer sleeve; An inner sleeve, part of which is located inside the outer sleeve, and is used to drain the liquid in the outer sleeve; Wherein, the outer sleeve adjusts the air pressure with the outside through the drainage groove to prevent the formation of negative pressure in the outer sleeve.

2. A double drainage cannula according to claim 1, characterized in that: A first through hole is provided on the side of the outer sleeve, and the inner sleeve is sleeved with the outer sleeve through the first through hole.

3. A double drainage cannula according to claim 2, characterized in that: One end of the outer sleeve located in the human body is an arc-shaped end, and a second through hole is provided on the arc-shaped end of the outer sleeve.

4. A double drainage cannula according to claim 3, characterized in that: Also includes: A connecting seat is installed on one end of the outer sleeve located outside the human body, and the first through hole is located below the connecting seat.

5. A double drainage cannula according to claim 4, characterized in that: Also includes: An extension tube is detachably connected to the connection seat.

6. A double drainage cannula according to claim 5, characterized in that: The extension tube comprises: tube body; A tightener, the tightener is connected to one end of the tube body, and the tightener is screwed and connected to the connecting seat; The tailstock is connected to an end of the tube body away from the tightener, and the tailstock is connected to other instruments.

7. The double drainage cannula according to claim 5, characterized in that: The connecting seat is provided with a water inlet, and the water inlet is provided with a sealing plug.

8. The double drainage cannula according to claim 5, characterized in that: The connecting seat is also provided with a medicine inlet, and the medicine inlet is provided with a sealing plug.

9. The double drainage cannula according to claim 1, characterized in that: The outer sleeve is marked with scales.

10. The double drainage cannula according to claim 1, characterized in that: The outer sleeve is also provided with a developing line.

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