Straight barrel type spiral negative pressure pipe

By designing a straight-cylinder spiral negative pressure tube and using a soft auger to remove impurities and a permeation tube for filtration, the problem of negative pressure tube blockage was solved, enabling effective drainage of wound exudate and uniform drug administration, thus improving the treatment effect of esophageal anastomotic leakage.

CN224008789UActive Publication Date: 2026-03-20GUANGZHOU MAILPAI TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520458064.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-03-20
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

Existing negative pressure tubes are prone to blockage when treating esophageal anastomotic fistulas due to the mixture of wound exudate and nasal secretions, resulting in poor treatment outcomes.

Method used

A straight-tube spiral negative pressure tube was designed, comprising a drainage tube, a thin catheter, a tube cap, and a negative pressure permeation tube. Impurities are removed by rotating a soft auger, and the medication is filtered and evenly applied through the permeation tube. An air bladder is used to fix it in the esophagus to prevent slippage.

Benefits of technology

It effectively prevents blockage, ensures the smooth removal of exudate and secretions, achieves uniform medication application to the wound, improves treatment effectiveness, and prevents slippage.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224008789U_ABST
    Figure CN224008789U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of negative pressure tubes, in particular to a straight barrel type spiral negative pressure tube which comprises a drainage tube, a thin catheter, a tube cap and a negative pressure permeation tube. A thin catheter is connected to the inner wall of the drainage tube in a penetrating mode, the thin catheter abuts against the outer side of the drainage tube, the end of the thin catheter is connected with a tube cap through a pull rope, the drainage tube and the thin catheter are sleeved with a negative pressure permeation tube, and the negative pressure permeation tube is connected to the outer side of the drainage tube and the outer side of the thin catheter through a suture. A flow guide groove is formed in the inner wall of the negative pressure permeation tube, and a conveying mechanism is connected to the interior of the drainage tube. According to the straight barrel type spiral negative pressure tube, wound seepage and nasal cavity secretions on the inner wall of the esophagus are filtered through the seepage tube, the filtered wound seepage and nasal cavity secretions flow along the flow guide groove and are sucked into the drainage tube 1 from the end of the drainage tube, the driving motor is started to drive the soft packing auger to rotate, large impurities are discharged out of the drainage tube, and the drainage tube is used for drainage. And therefore, the straight barrel type spiral negative pressure pipe is capable of discharging liquid and preventing blockage.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to negative pressure pipe technical field, concretely is a straight cylinder type spiral negative pressure pipe. BACKGROUND

[0002] Esophageal anastomotic fistula refers to the leakage of anastomotic stoma after esophageal surgery, especially after esophagectomy, esophageal cancer or gastroesophageal junction surgery, which is a more serious complication in esophageal surgery, which may lead to postoperative infection, malnutrition, pneumothorax and other problems. In treatment, the wound exudate and nasal secretions and other impurities need to be removed with the help of a negative pressure tube. The existing negative pressure tube still has some defects in use, such as;

[0003] The existing technology in the treatment of esophageal anastomotic fistula is mixed with nasal secretions, and the thick nasal mucus is left after the water is separated, which is easy to block and cannot be removed, resulting in the wound exudate in the negative pressure material and the wound inner wall gap, resulting in poor negative pressure suction treatment effect. INVENTION CONTENTS

[0004] The utility model aims at providing a straight cylinder type spiral negative pressure pipe to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a straight cylinder type spiral negative pressure pipe, comprising: a drainage tube, a thin catheter, a pipe cap and a negative pressure permeation tube;

[0006] The inner wall of the drainage tube is connected with the thin catheter, the thin catheter abuts on the outer side of the drainage tube, and the end of the thin catheter is connected with the pipe cap through the pull rope, the outer side of the drainage tube and the thin catheter is sleeved with the negative pressure permeation tube, the negative pressure permeation tube is connected on the outer side of the drainage tube and the thin catheter through the suture, the inner wall of the negative pressure permeation tube is provided with a flow guide groove, the inside of the drainage tube is connected with a conveying mechanism, the end of the thin catheter away from the pipe cap is connected with a discharging mechanism, and the outer side of the drainage tube is connected with a fixing mechanism.

[0007] The conveying mechanism comprises a first support and a second support connected on the inner wall of the drainage tube, the first support is close to the end of the drainage tube, and the first support and the second support are connected with a soft auger.

[0008] Preferably, the outer side of the drainage tube is fixedly connected with a supporting sleeve.

[0009] Preferably, the upper surface of the supporting sleeve is connected with a driving motor through a motor base, and the output end of the driving motor is connected with the soft auger through a shaft coupling.

[0010] Preferably, the discharging mechanism comprises a connector connected with the end of the thin catheter away from the pipe cap, and a first C-shaped pipe is connected through the inner wall of the connector.

[0011] Preferably, one side of the first C-shaped pipe is connected with a second C-shaped pipe through a plug, and one side of the second C-shaped pipe is connected with a plug.

[0012] Preferably, the outer sides of the first C-shaped pipe and the second C-shaped pipe are both provided with through holes.

[0013] Preferably, the fixing mechanism comprises a C-shaped air bag connected to the outer side of the drainage tube, and one side of the C-shaped air bag is connected with a trachea which is pasted on the surface of the drainage tube.

[0014] Preferably, one end of the trachea away from the C-shaped air bag is connected with a valve.

[0015] Preferably, the upper side of the valve is connected with a one-way air outlet valve, and the upper side of the one-way air outlet valve is connected with a silica gel balloon.

[0016] Preferably, the upper side of the silica gel balloon is connected with a one-way air inlet valve.

[0017] Compared with the prior art, the straight-cylinder spiral negative pressure tube has the advantages that the wound exudate on the inner wall of the esophagus and the nasal cavity secretions are filtered through the permeation tube, the filtered wound exudate and nasal cavity secretions flow along the flow guide groove and are sucked into the drainage tube 1 from the end of the drainage tube, the soft auger is driven to rotate by starting the driving motor, the larger impurities are discharged from the drainage tube, and the straight-cylinder spiral negative pressure tube is prevented from being blocked.

[0018] 1. The wound exudate and blood clots and other larger impurities are discharged from the drainage tube by driving the soft auger to rotate in the first support and the second support by starting the driving motor, and the straight-cylinder spiral negative pressure tube is prevented from being blocked.

[0019] 2. The fine catheter is connected with the syringe, the syringe is used to inject medicine into the fine catheter, the medicine enters the first C-shaped pipe and the plurality of second C-shaped pipes, and then is discharged from the through hole, the permeation negative pressure permeation tube applies medicine to the wound, and the straight-cylinder spiral negative pressure tube is uniformly applied with medicine.

[0020] 3. The silica gel balloon is continuously pressed, the ambient air is sent into the C-shaped air bag through the trachea, the C-shaped air bag is inflated and expanded, the straight-cylinder spiral negative pressure tube is fixed in the esophagus, when it is necessary to take out, the valve is opened to discharge air, and the straight-cylinder spiral negative pressure tube is prevented from sliding. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is a three-dimensional structure schematic view of the fine catheter of the utility model;

[0023] Figure 3 It is a three-dimensional sectional structure schematic view of the drainage tube of the utility model;

[0024] Figure 4 It is a three-dimensional structure schematic view of the drainage tube of the utility model;

[0025] Figure 5 It is a three-dimensional structure schematic view of the first C-shaped tube of the utility model;

[0026] Figure 6 It is a three-dimensional structure schematic view of the C-shaped air bag of the utility model.

[0027] In the figure: 1, drainage tube; 2, thin catheter; 3, pipe cap; 4, negative pressure infiltration tube; 5, diversion groove; 6, conveying mechanism; 601, first support; 602, second support; 603, soft screw conveyor; 604, support sleeve; 605, drive motor; 7, discharging mechanism; 701, joint; 702, first C-shaped tube; 703, second C-shaped tube; 704, through hole; 8, fixing mechanism; 801, C-shaped air bag; 802, air pipe; 803, valve; 804, one-way air outlet valve; 805, silica gel balloon; 806, one-way air inlet valve. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Please refer to Figures 1-4The utility model provides a technical scheme: a straight cylinder type spiral negative pressure pipe, it is drawn to the pipe 1, fine catheter 2, pipe cap 3 and negative pressure permeation pipe 4, the inner wall of drawn pipe 1 is connected with fine catheter 2 and passes through, fine catheter 2 is in abutment in the outside of drawn pipe 1, and the end of fine catheter 2 is connected with pipe cap 3 through drawstring, the outside of drawn pipe 1 and fine catheter 2 is sleeved with negative pressure permeation pipe 4, negative pressure permeation pipe 4 is connected in the outside of drawn pipe 1 and fine catheter 2 through suture, the inner wall of negative pressure permeation pipe 4 is equipped with the flow guide groove 5, the inside of drawn pipe 1 is connected with conveying mechanism 6, the end of fine catheter 2 is connected with the discharging mechanism 7 away from pipe cap 3, and the outside of drawn pipe 1 is connected with fixed mechanism 8, conveying mechanism 6 includes the first support 601 and the second support 602 that are connected on the inner wall of drawn pipe 1, the end of first support 601 is close to drawn pipe 1, and the first support 601 and the second support 602 are connected with the soft auger 603 and pass through rotation, the outside of drawn pipe 1 is fixedly connected with support sleeve 604, the upper surface of support sleeve 604 is connected with drive motor 605 through motor base, and the output end of drive motor 605 is connected with soft auger 603 through shaft coupling and the inner wall of drawn pipe 1.

[0030] When being implemented, the drive motor 605 is started to drive the soft auger 603 to rotate in the first support 601 and the second support 602, the liquid and the larger impurities such as blood clots are discharged from the drawn pipe 1, and the straight cylinder type spiral negative pressure pipe is prevented from being blocked.

[0031] As shown in Figure 4 and Figure 5 , the discharging mechanism 7 includes the connector 701 connected to the end of the fine catheter 2 away from the pipe cap 3, the inner wall of the connector 701 is connected with the first C-shaped pipe 702, the first C-shaped pipe 702 is connected with the second C-shaped pipe 703 through the plug, the second C-shaped pipe 703 is connected with the plug, and the first C-shaped pipe 702 and the second C-shaped pipe 703 are both provided with the through hole 704.

[0032] When being implemented, the first C-shaped pipe 702 is inserted into the first C-shaped pipe 702, the next group of second C-shaped pipes 703 is inserted into the side of the group of second C-shaped pipes 703, and the last group of second C-shaped pipes 703 is plugged with the plug, then the first C-shaped pipe 702 and the multiple groups of second C-shaped pipes 703 are sleeved on the drawn pipe 1, the connector 701 is inserted into the end of the fine catheter 2, the fine catheter 2 is connected with the syringe, the medicine is injected into the fine catheter 2 through the syringe, then the medicine is discharged from the through hole 704, the negative pressure permeation pipe 4 is used to apply medicine to the wound, and the straight cylinder type spiral negative pressure pipe is uniformly applied with medicine.

[0033] As shown in Figure 1 , Figure 2 , Figure 4 andFigure 6 It can be known that the fixing mechanism 8 comprises a C-shaped air bag 801 connected outside the drainage tube 1, one side of the C-shaped air bag 801 is connected with an air tube 802, the air tube 802 is pasted on the surface of the drainage tube 1, one end of the air tube 802 away from the C-shaped air bag 801 is connected with a valve 803, the upper side of the valve 803 is connected with a one-way air outlet valve 804, the upper side of the one-way air outlet valve 804 is connected with a silica gel balloon 805, the upper side of the silica gel balloon 805 is connected with a one-way air inlet valve 806.

[0034] In specific implementation, the silica gel balloon 805 is continuously pressed, the external air is sucked into the silica gel balloon 805 from the one-way air inlet valve 806, and then is discharged from the one-way air outlet valve 804, and is sent into the C-shaped air bag 801 through the air tube 802, so that the C-shaped air bag 801 is inflated and expanded, and the straight cylinder type spiral negative pressure tube is fixed in the esophagus, when it is needed to be taken out, the valve 803 is opened to discharge air, so that the straight cylinder type spiral negative pressure tube is prevented from sliding.

[0035] In summary: when the straight cylinder type spiral negative pressure tube is used, firstly, according to the size of the wound to which medicine is needed to be applied, a plurality of second C-shaped tubes 703 are inserted together, then the plurality of second C-shaped tubes 703 are inserted on the first C-shaped tube 702, then the first C-shaped tube 702 and the plurality of second C-shaped tubes 703 are sleeved on the drainage tube 1, and the connector 701 is inserted on the end of the thin catheter 2, then the negative pressure permeation tube 4 is sleeved on the drainage tube 1 and the thin catheter 2, and is fixed by winding with a suture, then the straight cylinder type spiral negative pressure tube is inserted into the esophagus, the silica gel balloon 805 is continuously pressed, the C-shaped air bag 801 is inflated and expanded, the straight cylinder type spiral negative pressure tube is fixed in the esophagus, the drainage tube 1 is connected with a drainage device, the driving motor 605 is powered to drive the soft screw 603 to rotate, the wound exudate on the esophageal wall and the nasal cavity secretion permeate the negative pressure permeation tube 4, and are sucked into the drainage tube 1 through the holes outside the drainage tube 1, the wound exudate and the nasal cavity secretion filtered by the negative pressure permeation tube 4 flow along the flow guide groove 5, and are sucked into the drainage tube 1 from the end of the drainage tube 1, and are drawn away by the drainage device, the medicine is extracted by a syringe, the tube cap 3 at the end of the thin catheter 2 is opened, the syringe is connected with the thin catheter 2 and injection is performed, the medicine is sent into the first C-shaped tube 702 and the plurality of second C-shaped tubes 703 from the thin catheter 2, and then is discharged from the through hole 704, the negative pressure permeation tube 4 is used to apply medicine to the wound, then the valve 803 is opened to discharge air from the C-shaped air bag 801, and the straight cylinder type spiral negative pressure tube is taken out from the esophagus, the contents not described in detail in the description belong to the prior art known by the person skilled in the art.

[0036] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A straight-tube spiral negative pressure pipe, comprising: Drainage tube (1), thin catheter (2), tube cap (3), and negative pressure osmosis tube (4), Its characteristics are: A thin conduit (2) is connected through the inner wall of the drainage tube (1). The thin conduit (2) abuts against the outside of the drainage tube (1), and the end of the thin conduit (2) is connected to a cap (3) by a pull rope. A negative pressure permeation tube (4) is sleeved on the outside of the drainage tube (1) and the thin conduit (2). The negative pressure permeation tube (4) is connected to the outside of the drainage tube (1) and the thin conduit (2) by a suture. A guide groove (5) is opened on the inner wall of the negative pressure permeation tube (4). A conveying mechanism (6) is connected inside the drainage tube (1). A discharge mechanism (7) is connected to the end of the thin conduit (2) away from the cap (3). A fixing mechanism (8) is connected to the outside of the drainage tube (1). The conveying mechanism (6) includes a first bracket (601) and a second bracket (602) connected to the inner wall of the drainage tube (1). The first bracket (601) is close to the end of the drainage tube (1), and a soft auger (603) is rotatably inserted through the first bracket (601) and the second bracket (602).

2. The straight-tube spiral negative pressure pipe according to claim 1, characterized in that: A support sleeve (604) is fixedly connected to the outside of the drainage tube (1).

3. A straight-tube spiral negative pressure pipe according to claim 2, characterized in that: The upper surface of the support sleeve (604) is connected to a drive motor (605) via a motor mount. The output end of the drive motor (605) passes through the inner wall of the support sleeve (604) and the drainage pipe (1) and is connected to the soft auger (603) via a coupling.

4. A straight-tube spiral negative pressure pipe according to claim 1, characterized in that: The discharge mechanism (7) includes a connector (701) with one end of a thin conduit (2) connected away from the cap (3), and a first C-shaped tube (702) is connected through the inner wall of the connector (701).

5. A straight-tube spiral negative pressure pipe according to claim 4, characterized in that: A second C-shaped tube (703) is connected to one side of the first C-shaped tube (702) via a plug, and a plug is connected to one side of the second C-shaped tube (703).

6. A straight-tube spiral negative pressure pipe according to claim 5, characterized in that: Both the first C-shaped tube (702) and the second C-shaped tube (703) have through holes (704) on their outer sides.

7. A straight-tube spiral negative pressure pipe according to claim 1, characterized in that: The fixing mechanism (8) includes a C-shaped airbag (801) connected to the outside of the drainage tube (1), and an air tube (802) is connected to one side of the C-shaped airbag (801), and the air tube (802) is attached to the surface of the drainage tube (1).

8. A straight-tube spiral negative pressure pipe according to claim 7, characterized in that: A valve (803) is connected to the end of the trachea (802) away from the C-shaped airbag (801).

9. A straight-tube spiral negative pressure pipe according to claim 8, characterized in that: A one-way air outlet valve (804) is connected above the valve (803), and a silicone balloon (805) is connected above the one-way air outlet valve (804).

10. A straight-tube spiral negative pressure pipe according to claim 9, characterized in that: A one-way air inlet valve (806) is connected to the top of the silicone balloon (805).