Anti-blocking peritoneal drainage tube

Abstract

The utility model relates to an anti-blocking peritoneal drainage tube which comprises a drainage tube body and a barrier gate, and the barrier gate is composed of a fixed ring, a sliding ring, an elastic framework and a driving mechanism. The fixed ring is fixed at the front end of the drainage tube, the sliding ring is axially and slidably arranged at the rear end of the drainage tube, and the elastic framework is arranged on the outer side of the drainage tube and connected with the fixed ring and the sliding ring. A plurality of suction holes are formed in the drainage tube body and distributed in the two sides of the elastic framework. The sliding ring is driven by the driving mechanism to move axially to extrude the elastic framework, so that the elastic framework is bent to form an arch-shaped structure, visceral organs and tissues in the abdominal cavity are prevented from entering the suction hole, and blockage is prevented. The driving mechanism is matched with a piston through an air bag, the air bag is controlled to expand or deflate through an inflation pipe, and stretching and retracting of the elastic framework are achieved. The elastic framework is arranged outside the drainage tube, a dynamic arch-shaped protection structure is formed by combining the axial movement of the sliding ring, visceral organs or other tissues in the abdominal cavity are effectively prevented from entering the suction hole, and the drainage tube is prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The utility model belongs to medical drainage tube technical field relates to a kind of anti-blocking abdominal cavity drainage tube, it is applicable to the anti-blocking protection in abdominal cavity effusion drainage process. BACKGROUND

[0002] Abdominal cavity drainage is the treatment means commonly used for the patients caused by abdominal trauma, abdominal internal injury, abdominal tumor etc. In clinic, abdominal cavity drainage tube often will be blocked because of the displacement of abdominal organs, etc., affecting the drainage effect. At present, rotating drainage tube or pulling out part of drainage tube is used in clinic to solve the problem of organ blocking drainage tube drainage port, but the effect is often not ideal, and it is necessary to reposition the tube, which increases the trauma and pain of patients, affects the treatment effect, and also increases the treatment cost and the economic burden of patients.

[0003] In the prior art, a kind of abdominal cavity drainage tube anti-blocking unblocker is disclosed in Chinese patent with publication number CN205759034U, including lifting mechanism, lifting rod, support shaft, expansion net support seat, expansion net, expansion net top plate, the hollow inside lifting mechanism, the top end is provided with round hole, the inside is provided with piston, piston will be divided into upper and lower two cavities in lifting mechanism, round hole is opened in the middle part of piston;Lifting rod is hollow, lifting rod is slidably sleeved on support shaft, the top end of lifting rod is connected with expansion net support seat, the bottom end of lifting rod is inserted into lifting mechanism after passing through the round hole in the top end of lifting mechanism, and is fixed on piston;The top end of support shaft is fixedly connected with expansion net top plate, the other end passes through the through hole in the middle part of expansion net support seat, the round hole in the top end of lifting mechanism, extends into lifting mechanism, and is fixed at the bottom end of lifting mechanism after passing through the round hole in the middle part of piston;When using drainage tube to drain abdominal cavity, by bending the shaped hose, the abdominal cavity drainage tube anti-blocking unblocker is inserted into the abdominal cavity drainage tube, the expansion net forms a hollow ball at the mouth of the abdominal cavity drainage tube, pushes the internal organs of abdominal cavity, creates a balloon space for the drainage of abdominal cavity drainage tube, and ensures that the abdominal organs will not block the mouth of the abdominal cavity drainage tube. It pushes the internal organs of abdominal cavity by using expansion net, realizes the protection of the mouth of drainage tube, but the method has the following problems:

[0004] 1, the existing drainage tube is mostly in the form of side wall opening, the anti-blocking unblocker is only suitable for the drainage tube with end opening, and cannot be used for the drainage tube with side opening, and the anti-blocking unblocker needs to be sent into the drainage tube from the inside of the drainage tube, which is complicated to operate.

[0005] 2, the anti-blocking unblocker is sent into the drainage tube as an independent component, and the position cannot be fixed and controlled, and the contact position with the internal organs of human body is uncontrollable, which can easily cause damage to the internal organs. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model aims at solving the above problems, and provides an anti-blocking abdominal cavity drainage tube.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A kind of anti-blocking type abdominal cavity drainage tube, including drainage tube body and the barrier grid on drainage tube body;The barrier grid includes fixed ring, sliding ring, elastic skeleton, drive mechanism;The fixed ring is fixedly sleeved in the front end of drainage tube body, the sliding ring is slidably sleeved in the rear end of drainage tube body along axial direction;Multiple suction holes are arranged on the lateral wall of the drainage tube body, which are linearly arrayed along the axial direction of the drainage tube body and circularly arrayed on the lateral wall of the drainage tube body;The elastic skeleton is arranged along the axial direction of the drainage tube body and circularly arrayed on the outside of the drainage tube body;The suction holes are located between the fixed ring and the sliding ring and distributed on both sides of the elastic skeleton;One end of the elastic skeleton abuts against the fixed ring, and the other end abuts against the sliding ring;

[0009] The drive mechanism is arranged on the drainage tube body and connected with the sliding ring to drive the sliding ring to move along the axial direction of the drainage tube;When the sliding ring moves axially, the elastic skeleton is extruded, so that the middle part of the elastic skeleton is bent towards the outside of the drainage tube body to form an arc structure, which forms a protective barrier outside the suction holes to prevent dirty organs from being sucked into the suction holes.

[0010] Further, the drive mechanism includes a piston cavity, an air bag, a piston, and a gas tube;The piston cavity is fixedly arranged on the drainage tube body, the piston is slidably arranged in the piston cavity, and one end of the sliding ring is connected with the piston;The air bag is arranged in the piston cavity, the gas tube is connected with the air bag, and a control valve is arranged on the gas tube;When the air bag is inflated, the piston and the sliding ring are pushed to move axially, so that the elastic skeleton is bent.

[0011] Further, the cross section of the elastic skeleton is in the shape of an ellipse, and the fixed ring and the sliding ring are both provided with elliptical holes that are uniformly distributed in the circumference, and the two ends of the elastic skeleton are arranged in the elliptical holes to limit and fix the elastic skeleton in the circumference.

[0012] Further, in the initial state, the middle part of the elastic skeleton is in the shape of an arc and protrudes towards the outside of the drainage tube, and the diameter of the circle where the highest point of the protrusion is located is smaller than the outer diameter of the fixed ring. By the arc protrusion of the middle part, the elastic skeleton is ensured to bend towards the outside of the drainage tube under extrusion.

[0013] Further, the front end of the drainage tube is provided with a medicine placement compartment, the medicine placement compartment is provided with a plurality of through holes, and a slow-release medicine is placed in the medicine placement compartment, which is released through the through holes.

[0014] Further, the medicine placement compartment is in the shape of a hemispherical shell and is threadedly connected to the front end of the drainage tube body.

[0015] Further, the elastic framework is made of spring steel material.

[0016] The utility model discloses beneficial effect lies in:

[0017] 1, the utility model discloses a elastic framework is arranged outside the drainage tube, and the axial movement of sliding ring forms the dynamic arc protection structure, effectively blocks the abdominal cavity organ or other tissues into the suction hole, prevents the drainage tube from being blocked. This design ensures the patency of the drainage tube during the whole treatment process, greatly improves the drainage effect. By integrating the blocking grid on the drainage tube, no additional external device is needed, the sliding ring is controlled to move in the way of air bag driving, so that the operation is simple and easy. Medical staff do not need additional external equipment or complex operation, and only need to charge and discharge to realize the bending adjustment of the elastic framework, ensure the anti-blocking protection of the drainage tube port, greatly improve the convenience and efficiency of clinical operation.

[0018] 2, the utility model discloses when the drainage tube is taken out, only needs to pass through the deflation operation, and the elastic framework is automatically retracted after the air bag deflates, and the blocking grid quickly recovers to the initial state. The elastic framework adopts high-strength spring steel material, has good elasticity, also has enough rigidity, can form a stable and reliable protection structure around the drainage tube. And the cross section is oval design, not only enhances the structural strength, also makes the surface smooth, effectively avoids the damage to the abdominal cavity organ, guarantees the safety of the drainage tube use.

[0019] 3, the utility model discloses still sets up the medicine storage compartment structure on the drainage tube, can slowly release the medicine in the drainage process, realizes the sustained treatment effect of medicine, improves the treatment efficiency, and is convenient for the application of the drainage tube in the control of abdominal hydrops or infection.

[0020] The other advantages, objects and features of the utility model will be described in the subsequent specification to some extent, and to some extent, it will be obvious to those skilled in the art based on the study of the following text or can be taught from the practice of the utility model. The objects and other advantages of the utility model can be realized and obtained by the following specification. DRAWINGS

[0021] In order to make the purpose, technical scheme and advantage of the utility model more clear, the preferred detailed description of the utility model will be described below in combination with the drawings, wherein:

[0022] Fig. 1 It is the use state schematic drawing of the anti-blocking abdominal drainage tube in the utility model.

[0023] Fig. 2 It is the non-use state schematic drawing of the anti-blocking abdominal drainage tube in the utility model.

[0024] Fig. 3 is a schematic diagram of the air bag in a contracted state in the utility model.

[0025] Fig. 4 is a schematic diagram of the air bag in an expanded state in the utility model.

[0026] Fig. 5 is a schematic diagram of the overall shape of the elastic framework in the utility model.

[0027] Fig. 6 is a schematic diagram of the cross section of the elastic framework in the utility model.

[0028] The drawing label: 1-drainage tube body; 2-driving mechanism; 3-sliding ring; 4-elastic framework; 5-fixed ring; 6-medicine storage bin; 21-inflatable tube; 22-control valve; 23-air bag; 24-piston cavity; 25-piston. DETAILED DESCRIPTION

[0029] The other advantages and effects of the utility model can be easily understood by the person skilled in the art from the content disclosed in the specification. The utility model can also be implemented or applied by another different specific embodiment, and each detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model. It should be noted that the drawings provided in the following examples only illustrate the basic concept of the utility model in a schematic manner, and the following examples and features in the examples can be combined with each other without conflict.

[0030] Wherein, the drawing is only used for example description, and the representation is only a schematic diagram, not a real object drawing, and cannot be understood as a limitation on the utility model; in order to better illustrate the embodiments of the utility model, some components in the drawing will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawing can be omitted.

[0031] The same or similar labels in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it should be understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "front", "back" and the like is based on the orientation or position relationship shown in the drawing, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore, the terms describing the position relationship in the drawing are only used for example description, and cannot be understood as a limitation on the utility model, and for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0032] Please refer toFigs. 1-6 The application discloses an anti-blocking abdominal cavity drainage tube which comprises a drainage tube body 1 and a barrier grid arranged on the drainage tube body 1.

[0033] The driving mechanism 2 is fixedly arranged on the drainage tube body 1 and connected with the sliding ring 3, and drives the sliding ring 3 to move along the axial direction of the drainage tube.

[0034] In the embodiment, the driving mechanism 2 comprises a piston cavity 24, an air bag 23, a piston 25 and a gas filling pipe 21.

[0035] The cross section of the elastic framework 4 is in an oval shape, and the fixed ring 5 and the sliding ring 3 are both provided with oval holes which are uniformly distributed in the circumferences.

[0036] The front end of the drainage tube is provided with a medicine placing bin 6 which is in a semi-spherical shell shape and is threadedly connected to the front end of the drainage tube body 1.

[0037] In use, the sustained-release medicine is placed in the medicine storage bin 6, the drainage tube body 1 is placed in the body, the air bag 23 is inflated, the elastic skeletons 4 are bent, the plurality of elastic skeletons 4 form an olive-shaped protective net outside the suction hole, and the organs are prevented from entering the suction hole under the action of negative pressure, so that the suction hole is blocked.

[0038] When the drainage tube is taken out, only the deflation operation is needed, the elastic skeletons 4 automatically retract after the air bag 23 is deflated, and the blocking grid quickly returns to the initial state.

[0039] Finally, it should be pointed out that the above examples are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. An anti-clogging type peritoneal drainage tube, characterized by: The drainage tube body and the barrier grid arranged on the drainage tube body are included; the barrier grid includes a fixed ring, a sliding ring, an elastic framework and a driving mechanism; the fixed ring is fixedly sleeved on the front end of the drainage tube body, the sliding ring is slidably sleeved on the rear end of the drainage tube body in the axial direction; a plurality of suction holes are arranged on the side wall of the drainage tube body in linear array distribution in the axial direction of the drainage tube body and circular array distribution on the side wall of the drainage tube body; the elastic framework is arranged in the axial direction of the drainage tube body and circularly arranged on the outside of the drainage tube body; the suction holes are located between the fixed ring and the sliding ring and distributed on both sides of the elastic framework; one end of the elastic framework abuts against the fixed ring, and the other end abuts against the sliding ring; The driving mechanism is arranged on the drainage tube body and connected with the sliding ring to drive the sliding ring to move in the axial direction of the drainage tube; when the sliding ring moves in the axial direction, the elastic framework is extruded, so that the middle part of the elastic framework is bent towards the outside of the drainage tube body to form an arc structure and form a protective barrier outside the suction hole to prevent dirty organs from being sucked into the suction hole.

2. The anti-clogging peritoneal drainage tube according to claim 1, wherein: The driving mechanism includes a piston cavity, an air bag, a piston and a gas pipe; the piston cavity is fixedly arranged on the drainage tube body, the piston is slidably arranged in the piston cavity, and one end of the sliding ring is connected with the piston; the air bag is arranged in the piston cavity, the gas pipe is connected with the air bag, and the control valve is arranged on the gas pipe; when the air bag is inflated, the piston and the sliding ring are pushed to move in the axial direction, so that the elastic framework is bent.

3. The anti-clogging peritoneal drainage tube according to claim 1, wherein: The cross section of the elastic framework is in an oval shape, oval holes are arranged on the fixed ring and the sliding ring in a circular distribution, and the two ends of the elastic framework are arranged in the oval holes.

4. The anti-clogging peritoneal drainage tube according to claim 3, wherein: In the initial state, the middle part of the elastic framework is in an arc shape and protrudes outwardly of the drainage tube, and the diameter of the circle where the highest point of the protrusion is located is smaller than the outer diameter of the fixed ring.

5. The anti-clogging peritoneal drainage tube according to claim 1, wherein: The front end of the drainage tube is provided with a medicine placement bin, a plurality of through holes are arranged on the medicine placement bin, and sustained-release medicine is placed in the medicine placement bin and released through the through holes.

6. The anti-clogging peritoneal drainage tube according to claim 5, wherein: The medicine placement bin is in a hemispherical shell shape and is threadedly connected to the front end of the drainage tube body.

7. The anti-clogging peritoneal drainage tube according to claim 1, wherein: The elastic framework is made of spring steel.

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