Sewing-free fixing device for body cavity drainage tube

Abstract

The utility model provides a suture-free fixing device for a body cavity drainage tube, which relates to the field of medical auxiliary instruments and comprises a flexible fixing seat and a rigid inner support, the inner support is movably inserted into the fixing seat along the vertical direction, so that one end of the fixing seat can be inserted into a body cavity along the drainage tube, and the other end of the fixing seat can be inserted into the body cavity along the drainage tube. The end, used for being inserted into a body cavity, of the fixing base is connected with an air bag. The inflation / deflation connector is exposed out of the body cavity and used for inflating and deflating the air bag, and a plurality of fixing rings used for binding and fixing drainage tubes are arranged on the outer wall of the end, exposed out of the body cavity, of the fixing base. According to the suture-free fixing device for the body cavity drainage tube, the drainage tube is stably fixed under the condition that the skin is not sutured, and the suture-free fixing device and the drainage tube are mutually independent and packaged separately and are convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to a suture-free fixing device for a body cavity drainage tube. Background Art

[0002] Drainage tubes are a kind of medical auxiliary equipment used for surgical treatment of patients. They are mainly used for clinical surgical drainage. By observing the amount, color and nature of the drainage material, it is possible to determine whether there is heavy bleeding after surgery and the patient's recovery. It is an important guarantee for the success of surgery. Drainage tubes play an important role in surgical operations. They can guide the pus, blood, gas and liquid accumulated between human tissues or in the body cavity to the outside of the body to reduce pressure, eliminate dead space, change the microbial environment of the infected site, inhibit local bacterial reproduction, prevent the spread of infection, promote inflammation, ensure good healing of the wound site, and reduce the occurrence of complications. However, if the drainage tube is not handled properly, it will not only cause complications to the patient, but even endanger his life.

[0003] At present, most of the surgical drainage tubes used in clinical practice are self-cut from simple single-lumen catheters. They have a simple structure and a single function, and are generally made of latex, silicone, silicone rubber or polyurethane. When in use, one end of the catheter is inserted into the drainage site in the body or on the wound, and the other end can be connected to other extracorporeal devices (such as drainage bags, negative pressure drainage balls, etc.) such as drainage tubes outside the body. Then, at the skin outlet of the drainage tube, the silk thread sutured on the skin is used to tie it tightly and fix it to the drainage tube body to prevent the drainage tube from falling out.

[0004] The method of simply using skin sutures to fix the drainage tube often causes severe local skin pain due to skin traction or suture removal when the tube is pulled out. If the suturing method is improper, the fixation method is not standardized, or the sutures are too tight when knotting due to human factors, skin cutting at the suture site will occur, which will cause patients to experience unbearable severe pain. It will not only affect postoperative recovery and quality of life, but may even cause some diseases to persist or progress. For patients who cannot have the tube removed in a short period of time, long-term traction will cause skin ischemia and necrosis, secondary infection, or loosening and falling of sutures, as well as pain and discomfort caused by repeated suturing. If the drainage tube is not discovered in time, it may even fall out or fall into the body, bringing immeasurable consequences. Utility Model Content

[0005] In order to overcome at least one defect in the above prior art, the utility model provides a suture-free fixation device for body cavity drainage tube, which can achieve stable fixation of the drainage tube without suturing the skin, and is independent of the drainage tube and packaged separately, so it is easy to use.

[0006] The utility model provides a suture-free fixation device for a body cavity drainage tube, comprising a flexible fixing seat and a rigid inner bracket, wherein the fixing seat is provided with an insertion channel extending along its axial direction, and the inner bracket can be movably inserted in the insertion channel so that one end of the fixing seat can be inserted into the body cavity along the drainage tube, and one end of the fixing seat used for being inserted into the body cavity is connected with an air bag; the utility model also comprises an inflation / deflation joint exposed to the body cavity and used for inflating and deflating the air bag, and a plurality of fixing rings for tying and fixing the drainage tube are provided on the outer wall of one end of the fixing seat exposed to the body cavity.

[0007] Compared with the prior art, the suture-free fixing device for body cavity drainage tube of the utility model has the following advantages:

[0008] Compared with the prior art in which the drainage tube is directly sutured to the skin for fixation, the suture-free fixation device for the body cavity drainage tube in the utility model is a special device, which is independent of the original drainage tube and can be packaged separately. When in use, the inner bracket is inserted into the fixing seat to increase its rigidity, so that the flexible fixing seat can be extended into the body cavity and close to the drainage tube; and when the fixing seat is extended into the body cavity, the airbag can be inflated through the inflation / deflation joint, and when the airbag is inflated, the fixing seat can be limited to prevent it from falling out of the body cavity, and the drainage tube is connected to the fixing seat by sutures. The fixing ring on the outer wall can be fixed by suturing, so that the drainage tube can be fixed without suture, and the drainage tube is fixed stably; when the drainage tube is removed and the fixing seat is removed at a later stage, it is only necessary to deflate the air through the inflatable structure, and the fixing seat can be directly pulled out after the gas in the airbag is emptied; at the same time, in certain medical conditions, the fixing device can be retained to continue to drain the residual abdominal effusion; when the fixing device is removed, a small amount of gas can remain in the airbag, so that when it is pulled out, the necrotic and infected tissue remaining in the abdominal wall sinus can be cleaned up at the same time, which is conducive to the healing of the abdominal wall sinus after the subsequent removal of the tube.

[0009] As an improvement, the insertion channel passes through both ends of the fixing seat along the axis, and the end of the fixing seat located in the body cavity is also connected to an auxiliary hose connected to one end of the insertion channel, and the auxiliary hose and the airbag are independent of each other. When the inner bracket is pulled out of the insertion channel, the auxiliary hose and the insertion channel form an auxiliary drainage tube; the end of the fixing seat located outside the body cavity is also connected to a plug for blocking the insertion channel. In the above improved structure, the insertion channel can be used to insert the inner bracket to increase the rigidity of the fixing seat and facilitate insertion into the body cavity, and after the inner bracket is pulled out, it can form an auxiliary drainage tube. In some special cases, it plays a short-term supplementary drainage role after the subsequent main drainage tube is pulled out.

[0010] In a further improvement, the fixing seat is provided with an airway extending along its axial direction, one end of the airway is connected to the inflation / deflation joint, and the other end is connected to the airbag. In the above improved structure, the airway is formed in the fixing seat to ensure that its outer wall is smooth, without redundant trachea, and is more convenient to insert and remove from the abdominal cavity. It is only necessary to connect the inflation / deflation joint to the side wall of the outer end of the fixing seat and connect it to the airway.

[0011] In a further improvement, the inner bracket includes a support rod and an operating handle, the lower end of the support rod is slidably inserted in the insertion channel, and the operating handle is connected to the upper end of the support rod. In the above improved structure, the operating handle increases the force application area after being set, which facilitates the operation of the support rod.

[0012] In a further improvement, the fixing seat is flat as a whole, and the side of the fixing seat near the drainage tube is a concave arc surface. In the above improved structure, the flat fixing seat has better flexibility and causes less pain to the wound. In addition, the arc surface near the drainage tube is more convenient to fit with the drainage tube, improving the stability of the drainage tube after being tied with it.

[0013] Preferably, the fixing seat is made of silicone rubber material. Silicone rubber has better compatibility with the human body, less irritation and damage to tissues and mucous membranes, no allergic reaction, and reduces the incidence of infection. It also has good lubricity, low friction, and a suitable hardness and softness, making the patient feel more comfortable.

[0014] In a further improvement, the outer wall of the fixing seat is provided with a scale mark line extending along its axial direction. In the above improved structure, the scale mark can help the doctor determine the insertion depth and whether the drainage tube is complete after being pulled out, thereby better ensuring safety.

[0015] Other improved features and advantages of the utility model will be described in the subsequent specific embodiments, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be achieved and obtained through the structures specifically pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a simplified structural diagram of the suture-free fixing device for body cavity drainage tube of the utility model in a non-use state;

[0017] Figure 2 The structure of the suture-free fixation device for body cavity drainage tube of the utility model in the use state is shown in the schematic diagram;

[0018] Figure 3 It is a cross-sectional view of the fixed seat and the drainage tube in the utility model when they are connected.

[0019] Description of reference numerals:

[0020] 1. Fixed seat; 2. Inner bracket; 2.1. Support rod; 2.2. Operating handle; 3. Drainage tube; 4. Air bag; 5. Inflation / deflation connector; 6. Fixed ring; 7. Auxiliary hose; 8. Plug; 9. Airway; 10. Curved surface; 11. Scale marking line. DETAILED DESCRIPTION

[0021] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0022] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "fixed" and "connected" 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 a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0023] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] See also Figure 1 to Figure 3As shown, an embodiment of the present application discloses a suture-free fixation device for a body cavity drainage tube, which includes a flexible fixing seat 1 and a rigid inner support 2. The inner support 2 is vertically movably inserted into the fixing seat 1 so that one end of the fixing seat 1 can be inserted into the body cavity along the drainage tube 3. The fixing seat 1 is connected to an airbag 4 at one end for insertion into the body cavity; it also includes an inflation / deflation joint 5 exposed to the body cavity and used to inflate and deflate the airbag 4. A plurality of fixing rings 6 for tying and fixing the drainage tube 3 are arranged on the outer wall of the fixing seat 1 at one end exposed to the body cavity. The fixing seat 1 is set as a flexible structure here in order to minimize the damage to the wound during its movement and reduce the patient's pain. Although the fixing seat 1 with a flexible structure can reduce the patient's pain during its movement, it is difficult to insert into the body cavity due to its low rigidity. Therefore, a rigid inner bracket 2 is added to this structure, and the inner bracket 2 is movably inserted into the fixing seat 1. When the fixing seat 1 needs to be inserted into the patient's body cavity, the inner bracket 2 is inserted into the fixing seat 1 to increase its rigidity and facilitate its smoother insertion into the patient's body cavity. After the drainage tube 3 is fixed and stabilized in the later stage, the inner bracket 2 can be pulled out. In addition, the fixing seat 1 is fixed to prevent it from falling out after the airbag 4 is inflated, and the drainage tube 3 is sutured and fixed to the fixing ring 6 on the outer wall of the fixing seat 1 through sutures, thereby realizing suture-free fixation of the drainage tube 3, and the drainage tube 3 is fixed stably; when the drainage tube 3 is removed and the fixing seat 1 is dismantled at a later stage, it is only necessary to deflate the air through the inflation structure, and after the gas in the airbag 4 is emptied, the fixing seat 1 can be directly pulled out to suture the final incision.

[0025] In this embodiment, the airbag 4 is directly bonded and fixed to the end of the fixing seat 1 extending into the body cavity. Of course, in some embodiments, the airbag 4 can also be connected and fixed to the fixing seat 1 by secondary injection molding.

[0026] More specifically, in this embodiment, an insertion channel is provided on the fixing seat 1 which passes through both ends of the fixing seat 1 along its axial direction, and the inner bracket 2 can be movably inserted in the insertion channel. The end of the fixing seat 1 located in the body cavity is also connected to an auxiliary hose 7 which is connected to one end of the insertion channel, and the auxiliary hose 7 and the airbag 4 are independent of each other; specifically, the auxiliary hose 7 is coaxially arranged with the insertion channel, that is, the inner bracket 2 can pass through the insertion channel and then enter the auxiliary hose 7, so as to better ensure that the fixing seat 1 can be smoothly inserted into the patient's body cavity; in addition, in this structure, the airbag 4 is arranged to surround the outer circumference of the auxiliary hose, and when the airbag 4 is inflated and fixed, the lower end of the auxiliary hose 7 protrudes from the lower end surface of the airbag 4, so as to facilitate auxiliary drainage in special circumstances, see the attached Figure 2 .

[0027] When the inner support 2 is pulled out from the insertion channel, the auxiliary hose 7 and the insertion channel form an auxiliary drainage tube 3, and the end of the fixed seat 1 outside the body cavity is also connected to a plug 8 for blocking the insertion channel. In this structure, the insertion channel can be used to insert the inner support 2 to increase the rigidity of the fixed seat 1, which is convenient for insertion into the body cavity, and after the inner support 2 is pulled out, the auxiliary drainage tube 3 can be formed. In some special cases, dual channels can be drained at the same time to improve the drainage effect; or after the main drainage tube 3 is subsequently pulled out, the auxiliary drainage tube 3 can be used to supplement drainage for a short time; of course, the fixed seat 1 and the drainage tube 3 can also be directly pulled out together at a later time; in addition, in actual use, if auxiliary drainage is not needed, the insertion channel is blocked by the plug 8 after the inner support 2 is pulled out to prevent the fluid in the body cavity from flowing out.

[0028] Preferably, the fixing seat 1 is provided with an airway 9 extending along its axial direction, one end of the airway 9 is connected to the inflation / deflation joint 5, and the other end is connected to the airbag 4. In this structure, the built-in airway 9 is used to inflate / deflate the airbag 4, avoiding the provision of an air tube that leaks outward on the outer wall of the fixing seat 1, ensuring the smoothness of the outer wall of the fixing seat 1, without redundant air tubes, making it more convenient to insert and remove from the abdominal cavity, and only the inflation / deflation joint 5 needs to be connected to the side wall of the outer end of the fixing seat 1 and connected to the airway 9, which is very convenient.

[0029] Of course, in some other embodiments, an independent inflation tube may also be provided outside the fixing seat 1 , one end of the inflation tube being connected to the airbag 4 , and the other end of the inflation tube being connected to the inflation / deflation joint 5 .

[0030] In this embodiment, the inner support 2 includes a support rod 2.1 and an operating handle 2.2. The outer diameter of the operating handle 2.2 is larger than the diameter of the support rod 2.1. The lower end of the support rod 2.1 is slidably inserted into the insertion channel. The operating handle 2.2 is connected to the upper end of the support rod. The operating handle 2.2 increases the force application area during operation, which is convenient for doctors to operate, and can prevent the support rod 2.1 from completely falling into the insertion channel, causing safety hazards. In this structure, the support rod 2.1 can move through the insertion channel and the auxiliary hose 7.

[0031] In addition, in this embodiment, the fixing seat 1 is flat as a whole, and the side of the fixing seat 1 near the drainage tube 3 is a concave arc surface 10. The flat fixing seat 1 is more flexible, and when the patient moves, or when the drainage tube 3 is pulled, the fixing seat 1 causes less pain to the patient's wound; in addition, the arc surface 10 near the drainage tube 3 is more convenient to fit with the drainage tube 3, improves the stability of the drainage tube 3 after being tied with it, and avoids the risk of the drainage tube 3 coming out or falling into the patient's body cavity.

[0032] In this embodiment, the fixing seat 1 is made of silicone rubber material. Silicone rubber has better compatibility with the human body, less irritation and damage to tissues and mucous membranes, no allergic reaction, and reduces the incidence of infection. It also has good lubricity, low friction, and a suitable hardness and softness of the material, making the patient feel more comfortable. In other embodiments, materials such as polyethylene and polypropylene with slightly higher hardness can also be selected according to actual conditions.

[0033] The outer wall of the fixing seat 1 is provided with scale marking lines 11 extending along its axial direction. The scale markings provided can help doctors determine the insertion depth and whether the drainage tube 3 is complete after being pulled out, thereby better ensuring safety.

[0034] In the description of the present application, the description with reference to the term "present embodiment" or "some embodiments" means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, 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 the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0035] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A suture-free fixation device for a body cavity drainage tube, characterized in that: The invention comprises a flexible fixing seat (1) and a rigid inner support (2), wherein the fixing seat (1) is provided with an insertion channel extending along its axial direction, and the inner support (2) can be movably inserted into the insertion channel so that one end of the fixing seat (1) can be inserted into the body cavity along the drainage tube (3), and the end of the fixing seat (1) used for being inserted into the body cavity is connected to an air bag (4); and further comprises an inflation / deflation joint (5) exposed to the body cavity and used for inflating and deflating the air bag (4), and a plurality of fixing rings (6) for tying and fixing the drainage tube (3) are provided on the outer wall of the fixing seat (1) at one end exposed to the body cavity.

2. The suture-free fixation device for body cavity drainage tube according to claim 1, characterized in that: The insertion channel is connected along the axis of the fixing seat at both ends; the end of the fixing seat (1) located in the body cavity is also connected to an auxiliary hose (7) connected to one end of the insertion channel, and the auxiliary hose (7) and the airbag (4) are independent of each other; when the inner support (2) is pulled out of the insertion channel, the auxiliary hose (7) and the insertion channel form an auxiliary drainage tube (3); the end of the fixing seat (1) located outside the body cavity is also connected to a plug (8) for blocking the insertion channel.

3. The suture-free fixation device for body cavity drainage tube according to claim 1, characterized in that: The fixing seat (1) is provided with an air passage (9) extending along its axial direction, one end of the air passage (9) is connected to the inflation / deflation joint (5), and the other end is connected to the air bag (4).

4. The suture-free fixation device for body cavity drainage tube according to claim 1, characterized in that: The inner bracket (2) comprises a support rod (2.1) and an operating handle (2.2); the lower end of the support rod (2.1) is slidably inserted in the insertion channel, and the operating handle (2.2) is connected to the upper end of the support rod (2.1).

5. The suture-free fixation device for body cavity drainage tube according to claim 1, characterized in that: The fixing seat (1) is flat as a whole, and the side of the fixing seat (1) close to the drainage tube (3) is an inwardly concave arc surface (10).

6. The suture-free fixation device for body cavity drainage tube according to claim 1, characterized in that: The fixing seat (1) is made of silicone rubber material.

7. The suture-free fixation device for body cavity drainage tube according to any one of claims 1 to 6, characterized in that: The outer wall of the fixing seat (1) is provided with a scale mark line (11) extending along its axial direction.

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