T-shaped double-cavity negative pressure drainage tube

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The design of the T-shaped double-lumen negative pressure drainage tube allows for independent irrigation and drainage of the abscess cavity, solving the problem of mutual interference between irrigation and drainage in existing technologies, improving the treatment effect of the abscess cavity, and allowing the tube length to be adjusted according to the size of the abscess cavity to meet different needs.

CN222304585UActive Publication Date: 2025-01-07TIANJIN HUISEN MEDICAL TECH CO LTD

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Patent Information

Application Number: CN202420569339.2
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-03-22
Publication Date: 2025-01-07
Estimated Expiration: 2034-03-22

AI Technical Summary

Technical Problem

When using existing negative pressure drainage tubes to treat abscesses, the flushing and drainage operations interfere with each other, leading to problems such as pus residue and backflow.

Method used

The T-shaped double-lumen negative pressure drainage tube separates the flushing and drainage functions. The cleaning solution is injected and the pus is drained through independent flushing and drainage connecting tubes, respectively. The negative pressure bulb is used to form negative pressure drainage, and the adjustable insertion length can accommodate different abscess sizes.

Benefits of technology

It enables independent irrigation and drainage of the abscess cavity, reduces pus residue, improves treatment effectiveness, and allows for adjustment of the catheter length according to the size of the abscess cavity to meet different needs.

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Abstract

The utility model relates to the technical field of negative pressure drainage tubes, and discloses a T-shaped double-cavity negative pressure drainage tube which comprises a T-shaped sleeve part, insertion tube cavities are formed in the upper end of an outer sleeve side by side, and the T-shaped double-cavity negative pressure drainage tube further comprises adjusting insertion tube parts movably connected to the two sides of the upper end of the outer sleeve in an inserted mode. Cleaning liquid is injected into the flushing connecting pipe through the injector, the cleaning liquid is sprayed out of the flushing pipe head to flush the vomica, when the vomica is discharged, the negative pressure ball is connected to the lower end of the drainage connecting pipe, negative pressure is formed at the drainage pipe head to discharge the vomica, flushing and liquid discharging of the vomica are not conducted in the same pipe, and the treatment effect on the vomica is better; the length of the portion, inserted into the inserting pipe cavity, of the adjusting inserting pipe part can be adjusted, and adaptive adjustment can be conducted according to the size of the pus cavity.

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Description

Technical Field

[0001] The utility model relates to the technical field of negative pressure drainage tubes, in particular to a T-shaped double-lumen negative pressure drainage tube. Background Art

[0002] Drainage tubes are used for clinical surgical drainage. They are a kind of medical device that guides the pus, blood, and liquid accumulated between human tissues or in body cavities to the outside of the body to prevent postoperative infection and promote wound healing. There are many types of surgical drainage tubes used clinically, some are used for urinary catheterization, some are used for wounds, and they are used in the chest cavity, brain cavity, gastrointestinal tract, bile duct, etc. The purpose of surgical drainage is to guide the pus, blood, and liquid accumulated between human tissues or in body cavities to the outside of the body to prevent postoperative infection and affect wound healing.

[0003] The existing negative pressure drainage tube is a single tube structure. When treating the abscess cavity, flushing and drainage of the abscess cavity are performed in the same tube cavity. When the pus is discharged, there will be pus remaining on the inner wall of the tube cavity. When flushing again, the pus remaining in the tube wall will be brought back to the abscess cavity. There is an urgent need for a negative pressure drainage tube that does not affect flushing and drainage. Utility Model Content

[0004] The utility model provides a T-shaped double-lumen negative pressure drainage tube to solve the problems in the prior art.

[0005] The technical problem solved by the utility model is achieved by the following technical solutions:

[0006] T-shaped double-lumen negative pressure drainage tube, including:

[0007] A T-shaped sleeve portion, the T-shaped sleeve portion comprises an outer sleeve and a drainage connection tube and a flushing connection tube arranged in the outer sleeve, the upper end of the outer sleeve is provided with plug-in tube cavities side by side, the upper end of the drainage connection tube is connected to the plug-in tube cavity at the lower end, and the upper end of the flushing connection tube is connected to the plug-in tube cavity at the upper end;

[0008] It also includes an adjustable cannula part movably plugged into both sides of the upper end of the outer sleeve, the adjustable cannula part includes a drainage tube head and a flushing tube head, a connecting block is provided between the drainage tube head and the flushing tube head, the connecting block connects the pipe mouth ends of the drainage tube head and the flushing tube head, the drainage tube head is plugged into the plug-in tube cavity at the lower end, and the flushing tube head is plugged into the plug-in tube cavity at the upper end.

[0009] In a specific embodiment, the outer sleeve is a component made of PVC material.

[0010] In a specific embodiment, a retaining ring is provided at the outlet end of the plug-in tube cavity.

[0011] In a specific embodiment, a valve seat tube and a locking valve threadedly connected to the valve seat tube are arranged on the outer side of the lower end of the outer sleeve, and a plug-in sleeve head is connected to the liquid inlet end of the valve seat tube, and the plug-in sleeve head is used to connect a syringe.

[0012] In a specific embodiment, the upper ends of the drainage connecting tube and the flushing connecting tube are both T-shaped structures, the lower end of the drainage connecting tube is exposed from the lower end of the outer sleeve for connecting the negative pressure ball, and the lower end of the flushing connecting tube is connected to the valve seat tube.

[0013] In a specific embodiment, a thickened ring is provided at one end of the drainage tube head inserted into the insertion tube cavity, the outer diameter of the thickened ring is larger than the inner diameter of the retaining ring, and the flushing tube head is configured in the same manner as the drainage tube head.

[0014] In a specific embodiment, the drainage tube head and the flushing tube head are both made of PVC material.

[0015] The utility model has the following beneficial effects:

[0016] By opening a plug-in tube lumen side by side at the upper end of the outer sleeve, the upper end of the drainage connecting tube is connected to the plug-in tube lumen at the lower end, the upper end of the flushing connecting tube is connected to the plug-in tube lumen at the upper end, and the drainage tube head is inserted into the plug-in tube lumen at the lower end, and the flushing tube head is plugged into the plug-in tube lumen at the upper end. When treating the abscess cavity, a syringe is connected to the lower end of the flushing connecting tube, and a cleaning liquid is injected into the flushing connecting tube through the syringe. The cleaning liquid is sprayed from the flushing tube head to flush the abscess cavity. When the pus is discharged, a negative pressure ball is connected to the lower end of the drainage connecting tube, so that negative pressure is formed at the drainage tube head to discharge the pus. The flushing and drainage of the abscess cavity are not performed in the same tube, so the treatment effect of the abscess cavity is better, and the length of the plug-in tube portion inserted into the plug-in tube lumen can be adjusted, and can be adapted and adjusted according to the size of the abscess cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the T-shaped sleeve portion of the utility model.

[0020] Figure 3It is a schematic diagram of the partial cross-sectional structure of the upper end of the outer sleeve of the utility model.

[0021] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0022] In the figure: 100, T-shaped sleeve part; 110, outer sleeve; 120, drainage connecting pipe; 130, flushing connecting pipe; 101, plug-in tube cavity; 102, retaining ring; 103, valve seat tube; 104, locking valve; 105, plug-in sleeve head; 200, adjusting sleeve part; 210, drainage pipe head; 220, flushing pipe head; 230, connecting block; 201, thickened circle. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0024] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0025] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0026] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0027] 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 the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0030] Reference Figure 1-4 As shown, the utility model provides a T-shaped double-lumen negative pressure drainage tube, comprising:

[0031] The T-shaped sleeve portion 100 includes an outer sleeve 110 and a drainage connection tube 120 and a flushing connection tube 130 disposed in the outer sleeve 110. The upper end of the outer sleeve 110 is provided with plug-in tube cavities 101 in parallel. The upper end of the drainage connection tube 120 is connected to the plug-in tube cavity 101 at the lower end, and the upper end of the flushing connection tube 130 is connected to the plug-in tube cavity 101 at the upper end.

[0032] It also includes an adjustable cannula part 200 movably plugged into both sides of the upper end of the outer sleeve 110, the adjustable cannula part 200 includes a drainage tube head 210 and a flushing tube head 220, a connecting block 230 is provided between the drainage tube head 210 and the flushing tube head 220, the connecting block 230 connects the pipe mouth ends of the drainage tube head 210 and the flushing tube head 220, the drainage tube head 210 is plugged into the plug-in tube cavity 101 at the lower end, and the flushing tube head 220 is plugged into the plug-in tube cavity 101 at the upper end.

[0033] By opening the insertion tube cavity 101 side by side at the upper end of the outer sleeve 110, the upper end of the drainage connecting tube 120 is connected to the insertion tube cavity 101 at the lower end, the upper end of the flushing connecting tube 130 is connected to the insertion tube cavity 101 at the upper end, and the drainage tube head 210 is inserted into the insertion tube cavity 101 at the lower end, and the flushing tube head 220 is plugged into the insertion tube cavity 101 at the upper end. When treating the abscess cavity, the syringe is connected to the lower end of the flushing connecting tube 130, and the syringe is used to inject the abscess. A cleaning liquid is injected into the flushing connecting tube 130, and the cleaning liquid is sprayed from the flushing tube head 220 to flush the abscess cavity. When the pus is discharged, a negative pressure ball is connected to the lower end of the drainage connecting tube 120, so that negative pressure is formed at the drainage tube head 210 to discharge the pus. The flushing and drainage of the abscess cavity are not performed in the same tube, and the treatment effect of the abscess cavity is better. The length of the cannula part 200 inserted into the cannula cavity 101 can be adjusted, and can be adapted and adjusted according to the size of the abscess cavity.

[0034] As a further preferred embodiment of the above embodiment, the outer sleeve 110 is made of PVC material.

[0035] Furthermore, a retaining ring 102 is provided at the outlet end of the insertion tube cavity 101 .

[0036] As a further preference of the above embodiment, a valve seat tube 103 and a locking valve 104 threadedly connected to the valve seat tube 103 are arranged on the outer side of the lower end of the outer sleeve 110, and a sleeve head 105 is connected to the liquid inlet end of the valve seat tube 103. The sleeve head 105 is used to connect a syringe. When the needle of the syringe is inserted into the sleeve head 105, the locking valve 104 is opened to flush the pus cavity. When the pus is discharged, the locking valve 104 is closed.

[0037] As a further preference of the above embodiment, the upper ends of the drainage connecting tube 120 and the flushing connecting tube 130 are both T-shaped structures, the lower end of the drainage connecting tube 120 is exposed from the lower end of the outer sleeve 110 for connecting the negative pressure ball, and the lower end of the flushing connecting tube 130 is connected to the valve seat tube 103.

[0038] Furthermore, a thickened ring 201 is provided at one end of the drainage tube head 210 inserted into the insertion tube cavity 101 , and the outer diameter of the thickened ring 201 is larger than the inner diameter of the retaining ring 102 . The flushing tube head 220 is configured in the same manner as the drainage tube head 210 .

[0039] When adjusting the length of the upper end of the T-shaped double-lumen negative pressure drainage tube according to the size of the abscess cavity, it is achieved by changing the length of the adjusting cannula part 200 inserted into the insertion tube cavity 101. When the adjusting cannula part 200 is pulled out of the insertion tube cavity 101, the thickened circle 201 can be blocked by the retaining ring 102 to prevent it from falling off from the insertion tube cavity 101. The outer sleeve 110 is made of PVC material and has elasticity. The thickened circle 201 can be squeezed and positioned in the insertion tube cavity 101. After pulling the adjusting cannula part 200, the thickened circle 201 can be squeezed and positioned at the adjusted position.

[0040] Furthermore, the drainage tube head 210 and the flushing tube head 220 are both made of PVC material.

[0041] In summary, the utility model provides a T-shaped double-lumen negative pressure drainage tube. When treating the abscess cavity, the syringe is connected to the lower end of the flushing connecting tube 130, and the cleaning liquid is injected into the flushing connecting tube 130 through the syringe. The cleaning liquid is sprayed from the flushing tube head 220 to flush the abscess cavity. When the pus is discharged, the negative pressure ball is connected to the lower end of the drainage connecting tube 120, so that negative pressure is formed at the drainage tube head 210 to discharge the pus. The flushing and drainage of the abscess cavity are not performed in the same tube, and the treatment effect of the abscess cavity is better. The length of the cannula part 200 inserted into the cannula cavity 101 can be adjusted, and can be adapted and adjusted according to the size of the abscess cavity.

[0042] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. T-shaped double-lumen negative pressure drainage tube, characterized in that: include: A T-shaped sleeve portion (100), the T-shaped sleeve portion (100) comprising an outer sleeve (110) and a drainage connection tube (120) and a flushing connection tube (130) arranged in the outer sleeve (110), the upper end of the outer sleeve (110) being provided with plug-in tube cavities (101) in parallel, the upper end of the drainage connection tube (120) being connected to the plug-in tube cavity (101) at the lower end, and the upper end of the flushing connection tube (130) being connected to the plug-in tube cavity (101) at the upper end; The invention also comprises an adjustable cannula part (200) movably plugged into the upper ends of the outer sleeve (110) on both sides, the adjustable cannula part (200) comprising a drainage tube head (210) and a flushing tube head (220), a connecting block (230) being arranged between the drainage tube head (210) and the flushing tube head (220), the connecting block (230) connecting the tube ends of the drainage tube head (210) and the flushing tube head (220), the drainage tube head (210) being plugged into the plug-in tube cavity (101) at the lower end, and the flushing tube head (220) being plugged into the plug-in tube cavity (101) at the upper end.

2. The T-shaped double-lumen negative pressure drainage tube according to claim 1, characterized in that: The outer sleeve (110) is a component made of PVC material.

3. The T-shaped double-lumen negative pressure drainage tube according to claim 2, characterized in that: A retaining ring (102) is provided at the outlet end of the plug-in tube cavity (101).

4. The T-shaped double-lumen negative pressure drainage tube according to claim 3, characterized in that: A valve seat tube (103) and a locking valve (104) threadedly connected to the valve seat tube (103) are arranged on the outer side of the lower end of the outer sleeve (110); a plug-in sleeve head (105) is connected to the liquid inlet end of the valve seat tube (103); and the plug-in sleeve head (105) is used to connect a syringe.

5. The T-shaped double-lumen negative pressure drainage tube according to claim 4, characterized in that: The upper ends of the drainage connecting tube (120) and the flushing connecting tube (130) are both T-shaped structures, the lower end of the drainage connecting tube (120) is exposed from the lower end of the outer sleeve (110) for connecting to a negative pressure ball, and the lower end of the flushing connecting tube (130) is connected to the valve seat tube (103).

6. The T-shaped double-lumen negative pressure drainage tube according to claim 5, characterized in that: One end of the drainage tube head (210) plugged into the plug-in tube cavity (101) is provided with a thickened ring (201), the outer diameter of the thickened ring (201) is larger than the inner diameter of the retaining ring (102), and the flushing tube head (220) is configured in the same manner as the drainage tube head (210).

7. The T-shaped double-lumen negative pressure drainage tube according to claim 6, characterized in that: The drainage pipe head (210) and the flushing pipe head (220) are both components made of PVC material.