Flushable sutureless compression drain structure

Abstract

The application discloses a flushable suture-free pressure-resistant drainage tube structure and belongs to the technical field of medical drainage devices. The drainage tube adopts a square tube structure, and a cross-shaped supporting rib is integrally formed in the tube wall. The cross-shaped supporting rib divides the tube cavity into four independent axial cavities. One of the cavities is a flushing cavity, and the remaining three cavities are drainage cavities. The cross-shaped square tube structure formed by the cross-shaped supporting rib can keep the tube cavity open even if the drainage tube is bent, folded or pressed by tissues, and completely solves the problem of the traditional drainage tube collapse under pressure. Meanwhile, the independent flushing cavity can directly inject flushing liquid to the drainage area, effectively avoids the tube cavity blockage caused by tissue debris and viscous drainage liquid, and guarantees the continuous smoothness of the drainage.

Description

Technical Field

[0001] This invention belongs to the field of medical drainage device technology, and in particular relates to a flushable, suture-free pressure-resistant drainage tube structure. Background Technology

[0002] Drainage tubes are essential instruments in clinical settings such as surgery, body cavity effusion, abscess drainage, and gastrointestinal obstruction. Their core function is to drain fluid, pus, and exudate from body cavities or tissues, thereby reducing the risk of infection and promoting wound healing.

[0003] Currently used drainage tubes in clinical practice still have many technical shortcomings: First, ordinary drainage tubes lack a dedicated support structure, making them susceptible to tissue compression, bending, and folding after insertion, leading to tube collapse, drainage interruption, and complications such as fluid retention and infection. Second, when the drainage fluid is viscous and contains tissue debris, it easily blocks the lumen. Existing irrigation structures often use a shared cavity for both drainage and irrigation, causing the irrigation and drainage fluids to mix prematurely within the tube, preventing them from reaching the target drainage area and resulting in extremely low irrigation and unblocking efficiency. Third, existing drainage tubes are mostly fixed with skin sutures, which not only increases the patient's wound pain but also easily leads to needle tract infection and exudation, while also increasing the workload of medical staff. Fourth, existing drainage tubes have limited functionality and cannot simultaneously meet multiple clinical needs such as negative pressure drainage, automated irrigation, and guidewire-assisted placement, resulting in poor adaptability to various scenarios.

[0004] In response to the numerous pain points of the existing technologies, there is an urgent need to develop a drainage tube that integrates pressure resistance and anti-clogging, efficient flushing, non-invasive fixation, and multi-functional adaptability to solve the core problems in clinical applications. Summary of the Invention

[0005] To address the aforementioned deficiencies in existing technologies, the present invention aims to provide a flushable, sutureless, pressure-resistant drainage tube structure. Through an integrated multi-cavity design, it simultaneously achieves the core functions of pressure resistance and anti-blockage, efficient independent flushing, sutureless and non-invasive fixation, and adaptability to multiple scenarios, comprehensively solving the pain points in the clinical application of existing drainage tubes.

[0006] To achieve the above-mentioned objectives, the technical solution adopted by this invention is as follows: A flushable, suture-free pressure-resistant drainage tube structure includes a drainage tube. The drainage tube adopts a square tube structure, and a cross-shaped support rib is integrally formed inside the tube wall. The cross-shaped support rib divides the tube cavity into four independent axial cavities, one of which is a flushing cavity and the remaining three are drainage cavities. The drainage tube is divided into an internal section and an external section along the axial direction, and a sutureless airbag structure is sleeved at the junction of the internal section and the external section. The drainage end of the internal segment has several drainage side holes that communicate with the drainage cavity. The end of the external segment is provided with functional interfaces that communicate with each axial cavity, and the functional interfaces include at least a drainage interface and a flushing interface.

[0007] Furthermore, a guide wire interface extends obliquely from the side wall of the drainage interface for inserting a metal guide wire to enhance the rigidity of the tube or to clear the drainage cavity.

[0008] Furthermore, the sutureless airbag structure includes two spherical airbags connected by a trachea, with one spherical airbag located inside the body and the other outside the body, and a rubber pad provided on the inner wall of the spherical airbag in contact with the drainage tube.

[0009] Furthermore, the corners of the drainage tube are rounded and blunted.

[0010] Furthermore, the drainage interface is connected to all three drainage chambers and is used to connect a negative pressure suction device or drainage bag to achieve normal pressure drainage or continuous / intermittent negative pressure drainage; the flushing interface is connected to the flushing chamber and is used to connect a syringe or flushing pump to inject flushing fluid or medication.

[0011] Furthermore, spherical protrusions are provided between the drainage side holes to isolate the drainage side holes from human tissue, creating a gap between them.

[0012] The flushable, sutureless, pressure-resistant drainage tube structure provided by this invention has the following advantages compared with the prior art: 1. Excellent pressure resistance and anti-clogging performance: The cross-shaped support ribs form a square tube structure that can keep the lumen open even if the drainage tube is bent, folded or compressed by tissue, completely solving the problem of traditional drainage tubes collapsing under pressure; at the same time, the independent flushing chamber can directly inject flushing fluid into the drainage area, effectively avoiding lumen blockage caused by tissue debris and viscous drainage fluid, ensuring continuous and smooth drainage.

[0013] 2. Highly efficient independent flushing function: The flushing chamber is designed to be completely isolated from the drainage chamber, allowing the flushing fluid to reach the drainage target area directly without mixing with the drainage fluid prematurely in the tube, thus greatly improving flushing efficiency. At the same time, the flushing interface can be adapted to a micro flushing pump and timer to achieve timed and quantitative automated flushing, significantly reducing the workload of medical staff and reducing the operational errors of manual flushing.

[0014] 3. Sutureless and non-invasive fixation: With the sutureless balloon structure, the drainage tube can be fixed inside and outside the body by inflating the balloon after insertion. There is no need for traditional skin suture fixation. This not only reduces the pain of patients caused by suturing operations, but also avoids complications such as infection and leakage caused by suture needle tracts. At the same time, it simplifies the operation process of insertion and removal of the tube.

[0015] 4. Multi-scenario clinical adaptability: The external segment is equipped with multiple functional interfaces. The drainage interface can be adapted to a negative pressure suction device to achieve continuous or intermittent negative pressure drainage and accelerate the drainage of accumulated fluid. The guidewire interface can insert a metal guidewire to enhance the rigidity of the tube during the placement process, assist in precise placement, and can also be used to clear the drainage cavity. The overall structure can be adapted to the drainage needs of multiple departments such as general surgery, orthopedics, thoracic surgery, and gastroenterology, with a wide range of applications. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a partially enlarged view of the drainage end of the internal segment of the present invention; Figure 3 This is a cross-sectional view of the present invention; Figure 4 This is a cross-sectional view of the sutureless airbag structure of the present invention.

[0018] In the diagram: 1-Cross-shaped support rib, 2-Sutureless airbag structure, 3-Drainage side hole, 4-Drainage interface, 5-Flushing interface, 6-Guide wire interface, 7-Spherical protrusion. Detailed Implementation

[0019] The technical solution of the present invention will be further described below with reference to the accompanying drawings and embodiments: refer to Figure 1-4 As shown, this invention provides a flushable, sutureless, pressure-resistant drainage tube structure, including a drainage tube with a square tube structure and an integrally formed cross-shaped support rib 1 inside the tube wall. The cross-shaped support rib 1 divides the lumen into four independent axial cavities, one of which is a flushing cavity and the remaining three are drainage cavities. The cross-shaped square tube structure formed by the cross-shaped support rib 1 can keep the lumen open even if the drainage tube is bent, folded, or compressed by tissue, completely solving the problem of traditional drainage tubes collapsing under pressure. At the same time, the independent flushing cavity can directly inject flushing fluid into the drainage area, effectively avoiding lumen blockage caused by tissue debris and viscous drainage fluid, ensuring continuous and unobstructed drainage.

[0020] The drainage tube is divided into an internal section and an external section along the axial direction, and a sutureless airbag structure 2 is sleeved at the junction of the internal section and the external section. The drainage end of the internal segment has several drainage side holes 3 that communicate with the drainage cavity. The end of the external segment is provided with functional interfaces that communicate with each axial cavity. The functional interfaces include at least a drainage interface 4 and a flushing interface 5. The flushing interface 5 can be adapted to a micro flushing pump and a timer to realize timed and quantitative automated flushing, which significantly reduces the workload of medical staff and reduces the operational error of manual flushing.

[0021] In a preferred embodiment, a guide wire interface 6 extends obliquely from the side wall of the drainage interface 4 for inserting a metal guide wire, enhancing the rigidity of the tube during insertion, assisting in precise insertion, and also for unblocking the drainage cavity. More preferably, a micro motor is installed at one end of the metal guide wire near the drainage side hole 3, and a pulverizing wheel is fixed at the output end of the micro motor, which can quickly unblock the blockage in the drainage cavity.

[0022] In a preferred embodiment, the sutureless balloon structure 2 includes two spherical balloons connected by a trachea. One spherical balloon is located inside the body, and the other is located outside. A rubber pad is provided on the inner wall of each spherical balloon where it contacts the drainage tube. With this sutureless balloon structure, inflating the balloons after tube placement achieves internal and external fixation of the drainage tube, eliminating the need for traditional skin sutures. This not only reduces patient pain associated with suturing but also avoids complications such as infection and exudation caused by suture needle tracts, while simplifying the placement and removal procedures. Furthermore, the sutureless balloon structure 2 can be used alone to seal the fistula opening.

[0023] In a preferred embodiment, the corners of the drainage tube are rounded to reduce damage to the tissue during placement.

[0024] In a preferred embodiment, the drainage port 4 is connected to all three drainage chambers and is used to connect a negative pressure suction device or drainage bag to achieve normal pressure drainage or continuous / intermittent negative pressure drainage; the flushing port 5 is connected to the flushing chamber and is used to connect a syringe or flushing pump to inject flushing fluid or medication. The overall structure is adaptable to the drainage needs of multiple departments such as general surgery, orthopedics, thoracic surgery, and gastroenterology, and has a wide range of applications.

[0025] In a preferred embodiment, spherical protrusions 7 are provided between the drainage side holes 3 to isolate the drainage side holes 3 from human tissue, creating a gap. On the one hand, the spherical protrusions 7 further enhance the pressure resistance of the drainage tube; on the other hand, maintaining a gap between the drainage side holes 3 and human tissue prevents surrounding tissue from blocking the drainage side holes 3 and affecting drainage efficiency, while also preventing the tube from breaking due to tissue compression when the tube is removed.

[0026] In a preferred embodiment, the drainage tube is made of medical-grade silicone material with a Shore hardness of 40-60, capable of withstanding autoclaving. The outer wall is covered with an anti-adhesion coating, which is either a heparinized coating or a hyaluronic acid coating. This anti-adhesion coating effectively prevents the drainage tube from adhering to newly formed granulation tissue, eliminating the need to tear adhesions during removal, significantly reducing the risk of secondary injury and improving patient comfort during the removal process.

[0027] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0028] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A flushable, sutureless, pressure-resistant drainage tube structure, characterized in that, Includes a drainage tube, which adopts a square tube structure and has a cross-shaped support rib (1) integrally formed inside the tube wall. The cross-shaped support rib (1) divides the tube cavity into four independent axial cavities, one of which is a flushing cavity and the remaining three are drainage cavities. The drainage tube is divided into an internal section and an external section along the axial direction, and a sutureless airbag structure (2) is sleeved at the junction of the internal section and the external section. The drainage end of the internal segment has several drainage side holes (3) that communicate with the drainage cavity. The end of the external segment is provided with functional interfaces that communicate with each axial cavity respectively. The functional interfaces include at least a drainage interface (4) and a flushing interface (5).

2. The flushable, sutureless, pressure-resistant drainage tube structure according to claim 1, characterized in that, The drainage port (4) has a guide wire port (6) extending obliquely on its side wall, which is used to insert a metal guide wire to enhance the rigidity of the tube or to clear the drainage cavity.

3. The flushable, sutureless, pressure-resistant drainage tube structure according to claim 1, characterized in that, The sutureless airbag structure (2) includes two spherical airbags connected by a trachea. One spherical airbag is located inside the body, and the other spherical airbag is located outside the body. A rubber pad is provided on the inner wall of the spherical airbag that contacts the drainage tube.

4. The flushable, sutureless, pressure-resistant drainage tube structure according to claim 1, characterized in that, The corners of the drainage tube are all rounded and blunted.

5. The flushable, sutureless, pressure-resistant drainage tube structure according to claim 1, characterized in that, The drainage port (4) is connected to all three drainage chambers and is used to connect a negative pressure suction device or drainage bag to achieve normal pressure drainage or continuous / intermittent negative pressure drainage; the flushing port (5) is connected to the flushing chamber and is used to connect a syringe or flushing pump to inject flushing fluid or medicine.

6. The flushable, sutureless, pressure-resistant drainage tube structure according to claim 1, characterized in that, A spherical protrusion (7) is provided between the drainage side holes (3) to isolate the drainage side holes (3) from human tissue, so that there is a gap between them.

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