An intraoperative intestinal decompression structure

By designing the airbag assembly and flushing tube, the problems of fixing and flushing the intestinal decompression device are solved, achieving a firm connection and effective flushing of the intestine, reducing the risk of infection, and improving the drainage effect.

CN224484583UActive Publication Date: 2026-07-14GUANGDONG GENERAL HOSPITAL

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG GENERAL HOSPITAL
Filing Date
2025-04-01
Publication Date
2026-07-14

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Abstract

The utility model relates to medical instrument technical field provides an intraoperative intestinal pressure reduction structure, including the catheter, the outer surface of catheter is connected with airbag subassembly, the airbag subassembly includes intestinal built -in airbag, intestinal external airbag and inflation pipeline, intestinal built -in airbag and intestinal external airbag link to each other, through intestinal built -in airbag and intestinal external airbag inflation of inflation pipeline, to make the catheter fixed on the intestinal tract, when carrying out intestinal pressure reduction, built -in airbag is placed in the intestinal tract, intestinal external airbag is placed outside the intestinal tract, forms the pinch between built -in airbag and external airbag after inflation, and the edge of intestinal tract is clamped tightly, the inner wall of catheter is equipped with double -way flush pipe, and the double -way flush pipe includes intestinal proximal end flush mouth and catheter flush mouth. Advantages: through the setting of airbag subassembly makes the catheter and intestinal tract fixed firm, avoids the intestinal contents to flow out because of the loose connection, thereby reduces the risk of intraoperative infection.
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Description

Technical Field

[0001] This utility model relates to the field of medical devices, and more specifically, to an intraoperative intestinal decompression structure. Background Technology

[0002] Intestinal obstruction is one of the common acute abdominal conditions in abdominal surgery, and most cases require surgical intervention. During intestinal obstruction surgery, intestinal decompression must be performed first. This involves removing the accumulated contents from the intestines and cleaning them. A standard method involves creating a purse-string suture in the intestine, then making a small hole in the middle of the suture to attach a collection device to the intestinal segment for decompression.

[0003] Currently used intestinal decompression devices still have some shortcomings. First, the size of the intestinal opening is difficult to match with the size of the decompression device, requiring purse-string sutures for fixation. The decompression device is also difficult to insert, and the insertion process may damage the intestinal tract or cause the intestinal opening to widen, potentially leading to intraoperative contamination. Second, self-made decompression tubes pose a risk of aseptic failure. An unsecured connection between the decompression tube and the intestine may cause leakage of intestinal contents, leading to contamination of the surgical area, affecting the smooth progress of the operation, and increasing the risk of infection. Third, self-made decompression tubes do not have an irrigation function, making it difficult to drain distal intestinal contents, or for patients with large amounts of viscous or hardened contents, often resulting in decompression effects that do not meet expectations. Utility Model Content

[0004] The present invention aims to overcome at least one defect (deficiency) of the prior art and provide an intraoperative intestinal decompression and irrigation device, which makes the decompression and irrigation device firmly connected to the intestinal incision, prevents intestinal contents from leaking out from the connection, and reduces the risk of infection.

[0005] The technical solution adopted by this utility model is to provide an intraoperative intestinal decompression structure, including a catheter, the outer surface of which is connected to an airbag assembly. The airbag assembly includes an intestinal internal airbag, an intestinal external airbag, and an inflation tube. The intestinal internal airbag and the intestinal external airbag are connected, and the intestinal internal airbag and the intestinal external airbag are inflated through the inflation tube to fix the catheter to the intestine. When performing intestinal decompression, the internal airbag is placed inside the intestine, and the intestinal external airbag is placed outside the intestine. After inflation, a gap is formed between the internal airbag and the external airbag to clamp the edge of the intestine. The inner wall of the catheter is provided with a dual-port irrigation tube, which includes an intestinal proximal irrigation port and a catheter irrigation port.

[0006] In this technical solution, during decompression procedures while the catheter is fixed within the intestine, the intestinal balloon is an air-filled structure placed inside the intestine, while the external intestinal balloon is an air-filled structure placed outside the intestine. After inflation, the intestinal balloon inflates and presses tightly against the intestinal wall, thus fixing the intestine and catheter relatively in place. Furthermore, since the intestinal balloon and the external intestinal balloon are connected, their inflation can clamp the intestinal incision edge, further securing the catheter and making it more firmly attached to the intestine. This prevents leakage of intestinal contents due to loosening of the connection, thereby reducing the risk of intraoperative infection.

[0007] Specifically, the intestinal insufficiency balloon and the external intestinal balloon can be connected or not connected; when not connected, both balloons are connected to an inflation tube; when connected, the inflation tube is located on the external intestinal balloon for ease of operation, and the latter is preferred.

[0008] The flushing solution enters through the inlet of the double-port flushing tube, flows out through the proximal intestinal flushing port of the double-port flushing tube, and flushes the proximal intestine; it also flows out through the catheter flushing port and flushes the inside of the catheter.

[0009] Furthermore, the inner wall of the conduit is also movably provided with a main flushing tube, the outlet of the main flushing tube being flush with the conduit opening, or the main flushing tube extending out of the conduit, the length of the extended portion not exceeding 100cm.

[0010] Furthermore, a guide wire is movably disposed inside the main flushing tube.

[0011] In this technical solution, since the main flushing tube is relatively long, prone to knotting, and quite flexible, installing a guide wire inside it can increase the rigidity of the flushing tube, prevent knotting, and better control the outlet position. Furthermore, for cases with a large amount of viscous or dried contents, increasing the rigidity of the flushing tube with the guide wire can better facilitate the drainage of contents, reducing pressure, and flushing.

[0012] Furthermore, the liquid outlet of the main flushing pipe is located on its side, and there are multiple outlets.

[0013] In this technical solution, the liquid outlet can be 3, 4, or 5, etc. Positioning it on the side prevents the guidewire from extending from the port of the main flushing tube, thus avoiding the guidewire from affecting the intestines.

[0014] Furthermore, a core is movably disposed within the catheter, one end of which is a pointed tip, the pointed tip referring to at least partially extending out of the front end of the catheter; the other end of the core extends at least partially out of the tail end of the catheter.

[0015] In this technical solution, the tip of the tube acts as a guide, and its tip design makes it easier to insert into the intestinal incision. When it enters, it pulls the catheter into the intestine together. After the catheter enters, the tube is pulled out. This reduces the difficulty of inserting the catheter into the intestinal incision and reduces the risk of damage to the intestine or enlargement of the intestinal opening during the insertion process.

[0016] Furthermore, the core is 0.8 to 1.5 cm longer than the conduit.

[0017] Furthermore, a collection mechanism is connected to the tail end of the conduit.

[0018] In this technical solution, the collection mechanism is used to collect the contents flowing out of the catheter. Preferably, the collection mechanism is detachably connected to the end of the catheter. After drainage, decompression, and flushing are completed, the collection mechanism can be disconnected from the catheter to prevent contamination by intestinal contents, facilitate exposure of the surgical field, and avoid the unpleasant odor of intestinal contents causing distress to medical staff, thus improving its practicality. The detachable connection can be configured as a threaded connection, Velcro connection, etc., depending on the specific structure of the collection mechanism and actual needs.

[0019] Furthermore, the bottom of the collecting mechanism has an opening, which is closed by a clamping structure.

[0020] In this technical solution, the clamping structure and the opening are detachably connected. When excessive intestinal contents are discharged, affecting the stability of the device or when it is necessary to inspect the intestinal contents, the clamping structure can be loosened to facilitate the outflow of contents from the collection mechanism.

[0021] Furthermore, it also includes a cap that is threadedly connected to the tail end of the conduit.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0023] (1) The present invention uses the balloon assembly to fix the catheter to the intestine firmly, avoiding the leakage of intestinal contents due to loose connection, thereby reducing the risk of intraoperative infection.

[0024] (2) By setting up a double-pass flushing tube and a main flushing tube, this utility model can dilute the contents, facilitate flushing and drainage in the intestine and catheter, and avoid excessive, viscous or dry contents that may affect decompression operation.

[0025] (3) By setting the guide wire, this utility model can better control the liquid outlet position of the main flushing tube, and by increasing the hardness of the flushing tube by the guide wire, the contents can be discharged better, which facilitates drainage, decompression and flushing.

[0026] (4) The present invention facilitates the insertion of the catheter into the intestinal incision by setting the core, reduces the difficulty of inserting the catheter into the intestinal incision, and reduces the damage to the intestine or the enlargement of the intestinal opening during the insertion process. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the intraoperative intestinal decompression structure of this utility model.

[0028] Figure 2 This is a partial structural diagram of the intraoperative intestinal decompression structure of this utility model.

[0029] Figure 3 This is a schematic diagram of the core structure of this utility model.

[0030] Figure 4 This is a schematic diagram of the structure of the lid of this utility model.

[0031] Figure 5 This is a schematic diagram of the sealing cap of this utility model.

[0032] Reference numerals: Catheter 100, Cap 110, Intestinal insufflation balloon 200, Intestinal external balloon 300, Inflation tube 400, Dual-port flushing tube 500, Proximal intestinal flushing port 510, Catheter flushing port 520, Main flushing tube 600, Guide wire 610, Tube core 700, Collection mechanism 800, Clamping structure 810, Sealing cap 820. Detailed Implementation

[0033] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this invention. To better illustrate the following embodiments, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0034] Example 1

[0035] Combination Figures 1 to 5 This embodiment provides an intraoperative intestinal decompression structure, including a catheter 100. The outer surface of the catheter 100 is connected to an airbag assembly. The airbag assembly includes an intestinal intubation airbag 200, an external intestinal airbag 300, and an inflation tube 400. The intestinal intubation airbag 200 and the external intestinal airbag 300 are connected. The intestinal intubation airbag 200 and the external intestinal airbag 300 are inflated through the inflation tube 400 to fix the catheter 100 to the intestine. When intestinal decompression is performed, the intestinal intubation airbag 200 is placed inside the intestine, and the external intestinal airbag 300 is placed outside the intestine. After inflation, a gap is formed between the intestinal intubation airbag 200 and the external intestinal airbag 300, clamping the edge of the intestine.

[0036] During decompression procedures while catheter 100 is fixed within the intestine, the intestinal balloon 200 is an intestinal balloon structure placed inside the intestine, while the external intestinal balloon 300 is an intestinal balloon structure placed outside the intestine. After inflation, the intestinal balloon 200 inflates and presses tightly against the intestinal wall, thus fixing the intestine and catheter 100 relatively securely. Furthermore, since the intestinal balloon 200 and the external intestinal balloon 300 are connected, their inflation can clamp the intestinal incision edge, further securing the catheter 100 and making it more firmly attached to the intestine. This prevents leakage of intestinal contents due to loosening of the connection, thereby reducing the risk of intraoperative infection.

[0037] Specifically, the intestinal insufflated airbag 200 and the intestinal external airbag 300 can be connected or not connected; when not connected, both airbags are connected to an inflation tube 400; when connected, the inflation tube 400 is located on the intestinal external airbag 300 for convenient operation, and the latter is preferred.

[0038] For example, the size of the catheter 100 can be designed to be different diameters for flushing tubes depending on the size of the lumen of the decompression intestinal tube and the nature of the intestinal contents. The material of the catheter 100 is preferably medical grade E-PUR, PP, EVA, PE or POE, which takes into account both hardness and flexibility, so as to provide support and avoid damage to the intestinal tube. It is transparent or semi-transparent, which is conducive to observing the nature of the contents and the decompression status.

[0039] For example, the inlet of the flushing pipe is connected to a flushing device, such as a syringe. The flushing pipe also has a one-way anti-backflow device to prevent backflow contamination caused by excessive pressure inside the pipe.

[0040] Furthermore, the inner wall of the catheter 100 is provided with a dual-pass flushing tube 500, which includes a proximal intestinal flushing port 510 and a catheter flushing port 520.

[0041] The dual-port flushing tube 500 is a pipe with two outlets and one inlet. Fluid enters through the inlet of the dual-port flushing tube 500, flows out through the proximal intestinal flushing port 510, and flushes the proximal intestine; it also flows out through the flushing port of the catheter 100, flushing the interior of the catheter 100. Specifically, the proximal intestinal flushing port 510 can extend 0-1 cm beyond the catheter opening, or it can retract 0-1 cm into the catheter. In both cases, when the proximal intestinal flushing port 510 extends 0 cm beyond or retracts 0 cm into the catheter 100, it is flush with the catheter opening. More specifically, the dual-port flushing tube 500 is fixedly connected to the inner wall of the catheter 100.

[0042] Furthermore, the inner wall of the conduit 100 is also movably provided with a main flushing tube, the outlet of the main flushing tube 600 is flush with the conduit opening of the conduit 100, or the main flushing tube 600 extends out of the conduit, the length of the extended part is not greater than 100cm.

[0043] The main flushing tube 600 is a pipe with an outlet, and the catheter 100 is a pipe with a catheter port at the front end. After the flushing fluid flows out of the outlet of the main flushing tube 600, it flushes the inside of the intestine. Since the main flushing tube 600 is movable inside the catheter 100, it can move relative to the catheter 100. Medical personnel can adjust the length of the main flushing tube 600 extending out of the catheter 100 according to the actual flushing needs, so as to clean and drain the intestinal contents.

[0044] Furthermore, a guide wire 610 is movably disposed within the main flushing tube 600.

[0045] Because the main flushing tube 600 is relatively long, prone to tangling, and quite flexible, installing a guide wire inside it can increase the rigidity of the flushing tube, prevent tangling, and better control the outlet position. Furthermore, in cases with a large amount of viscous or dried contents, the guide wire 610 increases the rigidity of the flushing tube, allowing for better drainage, decompression, and flushing.

[0046] Furthermore, the liquid outlet of the main flushing pipe 600 is located on its side, and there are multiple outlets.

[0047] The outlet can be 3, 4, or 5, etc. Placing it on the side can prevent the guidewire 610 from extending from the port of the main flushing tube 600, thereby avoiding the guidewire 610 from affecting the intestine.

[0048] Furthermore, a core 700 is movably disposed within the catheter 100. One end of the core 700 is a pointed tip, which at least partially extends out of the front end of the catheter 100; the other end of the core 700 at least partially extends out of the tail end of the catheter 100. The core 700 is 0.8 to 1.5 cm longer than the catheter 100.

[0049] The tip of the stylet 700 serves as a guide, and its tip design makes it easier to insert into the intestinal incision. When it enters, it pulls the catheter 100 into the intestine together. After the catheter 100 enters, the stylet 700 is pulled out. This reduces the difficulty of inserting the catheter 100 into the intestinal incision and reduces the risk of damage to the intestine or enlargement of the intestinal opening during the insertion process.

[0050] Furthermore, the tail end of the conduit 100 is connected to a collection mechanism 800, the bottom of which has an opening, which is closed by a clamping structure 810.

[0051] The collection mechanism 800 is used to collect the contents flowing out of the catheter 100. Preferably, the collection mechanism 800 is detachably connected to the tail end of the catheter 100. After drainage, decompression, and flushing are completed, the collection mechanism 800 can be disconnected from the catheter 100 to prevent contamination by intestinal contents, facilitate exposure of the surgical field, and avoid the unpleasant odor of intestinal contents from bothering medical staff, thus improving its practicality. The detachable connection can be configured as a threaded connection, Velcro connection, etc., depending on the specific structure of the collection mechanism 800 and actual needs.

[0052] For example, the collection device 800 is a bag with an open end and internal threads, made of PE / PU material, and is soft, tough, and transparent, allowing observation of the intestinal contents. The bag is threadedly connected to the end of the catheter 100, and the opening of the bag is also fitted with a sealing cap 820, which can be used to seal the bag after drainage is completed.

[0053] The clamping structure 810 is detachably connected to the opening, and the opening facilitates sampling and inspection of the contents within the collection mechanism 800. For example, the clamping structure 810 can be a clip.

[0054] Furthermore, it also includes a cap 110, which is threadedly connected to the tail end of the conduit 100.

[0055] In this embodiment, the intraoperative intestinal decompression device involves making a small incision in the intestinal wall, lubricating the catheter 100 with a core 700 using paraffin oil, and inserting the tip into the small incision until the intestinal balloon 200 is fully inserted. The core 700 is then withdrawn from the end of the catheter 100 furthest from the intestine. The balloon assembly is inflated using the syringe through the inflation tube 400, securing the catheter 100 to the intestine for decompression. The contents of the proximal intestine and catheter 100 are flushed and drained using the flushing fluid from the dual-port flushing tube 500, while the contents of the distal intestine are flushed and drained using the flushing fluid from the main flushing tube 600. The position of the catheter 100 is adjusted using a guidewire as needed, and once the position is determined, the guidewire is removed for flushing. After the drainage and decompression are completed, the syringe draws air through the inflation tube 400 to cause the airbag to retract, the catheter 100 is removed, the collection mechanism 800 is disconnected from the catheter 100, the cap 110 is placed on the end of the catheter 100, and the sealing cap 820 is placed on the opening of the collection mechanism 800.

[0056] If it is necessary to examine the intestinal contents or take a sample, open the clamp of the collection device 800 and discard the collection bag in the medical waste bin under the operating table.

[0057] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the technical solution of this utility model, and are not intended to limit the specific implementation of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the claims of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A structure for intraoperative bowel decompression, characterized in that, The device includes a catheter with an airbag assembly connected to its outer surface. The airbag assembly includes an intestinal insufficiency airbag, an external intestinal insufficiency airbag, and an inflation tube. The intestinal insufficiency airbag and the external intestinal insufficiency airbag are connected, and the intestinal insufficiency airbag and the external intestinal insufficiency airbag are inflated through the inflation tube to fix the catheter to the intestine. When intestinal decompression is performed, the intestinal insufficiency airbag is placed inside the intestine, and the external intestinal insufficiency airbag is placed outside the intestine. After inflation, a gap is formed between the intestinal insufficiency airbag and the external insufficiency airbag to clamp the edge of the intestine. The inner wall of the catheter is provided with a dual-port flushing tube, which includes a proximal intestinal flushing port and a catheter flushing port.

2. The intraoperative intestinal decompression structure according to claim 1, characterized in that, The inner wall of the conduit is also provided with a main flushing tube, the outlet of the main flushing tube is flush with the conduit opening, or the main flushing tube extends out of the conduit, the length of the extension is not greater than 100cm.

3. The intraoperative intestinal decompression structure according to claim 2, characterized in that, A guide wire is movably installed inside the main flushing tube.

4. The intraoperative intestinal decompression structure according to claim 3, characterized in that, The liquid outlet of the main flushing pipe is located on its side, and there are multiple outlets.

5. The intraoperative intestinal decompression structure according to claim 1, characterized in that, The catheter is movably disposed inside the catheter, one end of which is a pointed tip that extends at least partially out of the front end of the catheter; the other end of the catheter extends at least partially out of the tail end of the catheter.

6. The intraoperative intestinal decompression structure according to claim 5, characterized in that, The core is 0.8 to 1.5 cm longer than the conduit.

7. The intraoperative intestinal decompression structure according to any one of claims 1 to 6, characterized in that, The end of the conduit is connected to a collection mechanism.

8. The intraoperative intestinal decompression structure according to claim 7, characterized in that, The bottom of the collecting mechanism has an opening, which is closed by a clamping structure.

9. An intraoperative intestinal decompression structure according to any one of claims 1 to 6, characterized in that, It also includes a cap that is threaded to the tail end of the conduit.