CN215961394U

CN215961394U - Integral type pleural effusion drainage catheter subassembly

Info

Publication number: CN215961394U
Application number: CN202121786910.9U
Authority: CN
Inventors: 朱莹莹; 贾冉
Original assignee: First Affiliated Hospital of Anhui Medical University
Current assignee: First Affiliated Hospital of Anhui Medical University
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-03-08
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to an integrated pleural effusion drainage catheter component, which relates to the technical field of medical supplies and comprises a puncture outer tube, a catheter inserted at the liquid outlet end of the puncture outer tube and a liquid collection bag arranged at the liquid outlet end of the catheter; the puncture outer tube includes the pipe body, and the puncture end of the pipe body is the cone end, the inside of the pipe body is inserted and is had the expansion blade, and the tool bit of expansion blade stretches out from the cone end. In the utility model, the structure of the catheter assembly is integrally arranged, so that the catheter assembly is beneficial to operation and use, the complexity of the process is reduced, and the efficiency is greatly improved.

Description

Integral type pleural effusion drainage catheter subassembly

Technical Field

The utility model belongs to the technical field of medical supplies, and particularly relates to an integrated pleural effusion drainage catheter assembly.

Background

Pleural effusion is a common clinical condition characterized by pathological fluid accumulation within the pleural cavity. The pleural cavity is a potential gap between a visceral layer and a parietal pleura, 5-15ml of liquid is contained in the pleural cavity of a normal person, the pleural cavity has a lubricating effect during respiratory movement, 500-1000ml of liquid is formed and absorbed in the pleural cavity every day, and the pleural cavity can generate pleural effusion due to increase or reduction of liquid absorption in the pleural cavity caused by any reason. The method can be divided into two types of leakage pleural effusion and exudative pleural effusion according to the generation mechanism;

the pleural effusion catheterization drainage two-step method is commonly used clinically, the two-step method firstly punctures into the effusion by a PTC needle according to a puncture point positioned before the ultrasonic operation, then pulls out a needle core to see the outflow of liquid, puts in a guide wire through the PTC needle, can fix the guide wire after the guide wire enters into the pleural effusion by a puncture needle point with enough depth, then pulls out the PTC needle, cuts a small opening at the needle inserting position of the skin by a knife tip, expands the catheter and then injects a pigtail catheter along the guide wire, withdraws from the guide wire after the pleural effusion when all side holes are positioned in the thoracic effusion, leaves the drainage tube in the thoracic cavity, then fixes the drainage tube by a suture of the skin, and is externally connected with an aseptic drainage bag.

In order to solve the problems that more medical appliances are used in pleural effusion catheterization drainage, the operation is complex and the efficiency is low, an integrated pleural effusion drainage catheter assembly is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide an integrated pleural effusion drainage catheter component which is simple in structure and reasonable in design.

The utility model realizes the purpose through the following technical scheme:

an integrated pleural effusion drainage catheter component comprises a puncture outer tube, a catheter inserted at the liquid outlet end of the puncture outer tube and a liquid collection bag arranged at the liquid outlet end of the catheter;

the puncture outer tube includes the pipe body, and the puncture end of the pipe body is the cone end, the inside of the pipe body is inserted and is had the expansion blade, and the tool bit of expansion blade stretches out from the cone end.

As a further optimization scheme of the utility model, the expansion blade is a triangular prism, guide wires are arranged in three prismatic grooves outside the expansion blade and at the end part of the cutter body of the expansion blade, groove bodies corresponding to the number and the positions of the guide wires are arranged on the periphery of the conical end, and one end of each guide wire extends out of the corresponding groove body and is folded.

As a further optimization scheme of the utility model, the tail ends of the four guide wires are connected with each other to form a total guide wire, a limiting slide block penetrates through the outer part of the total guide wire, and the limiting slide block is in sliding fit with the inner side wall of the inner tube.

As a further optimized scheme of the utility model, the outer side wall of the conduit body is uniformly distributed with anti-skid bulges.

As a further optimization scheme of the utility model, one end of the conveying pipe is provided with a connector, an inner pipe is arranged inside the pipe body, a ring groove for embedding the connector is reserved between the inner pipe and the pipe body, and a flow regulating valve is arranged outside the conveying pipe.

As a further optimization scheme of the utility model, the top end of the liquid collection bag is provided with a buffer cylinder, a hanging ring is arranged outside the buffer cylinder, the delivery pipe penetrates through the buffer cylinder and extends into the liquid collection bag, and a section of the delivery pipe positioned in the buffer cylinder is provided with a spiral pipe.

As a further optimized scheme of the utility model, the bottom end of the liquid collecting bag is provided with a liquid discharge pipe, and the outside of the liquid discharge pipe is embedded with a plug.

The utility model has the beneficial effects that:

1. according to the utility model, after the dilatation puncture is completed through the dilatation blade and the catheter body is ensured to be inserted into the thoracic cavity of a patient, the total guide wire is pulled to drive the dilatation blade and the four guide wires to be drawn out of the catheter body, when pleural effusion flows out along the catheter body, the connector connected with the front end of the delivery catheter is correspondingly inserted into the catheter body, and the effusion flows into the liquid collecting bag connected with the delivery catheter along the delivery catheter, so that the whole pleural effusion catheterization operation is completed.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is a schematic view of the internal structure of the puncturing member provided in the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 2 according to the present invention;

FIG. 4 is a perspective view of a spacing block provided in the present invention;

in the figure: 1. puncturing the outer tube; 11. a catheter body; 12. an expanding blade; 13. a guide wire; 14. a limiting slide block; 15. an inner tube; 16. anti-skid projections; 2. a delivery catheter; 3. a liquid collecting bag; 4. a connector; 5. a flow regulating valve; 6. a buffer cylinder; 7. a spiral tube; 8. a liquid discharge pipe; 9. hanging a ring; 10. and (4) a plug.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention; in the description of the present invention, the meaning of "plurality" or "a plurality" is two or more unless otherwise specified.

Referring to the attached drawings 1-4 in the specification, the integral pleural effusion drainage catheter assembly of the embodiment is a disposable sterile surgical product, and comprises a puncture outer tube 1, a catheter 2 inserted into a liquid outlet end of the puncture outer tube 1, and a liquid collection bag 3 arranged at a liquid outlet end of the catheter 2, wherein the puncture outer tube 1 comprises a catheter body 11, a puncture end of the catheter body 11 is a conical end, an expansion blade 12 is inserted into the catheter body 11, and a cutter head of the expansion blade 12 extends out of the conical end.

Furthermore, the expansion blade 12 is a triangular edge body, guide wires 13 are arranged in three edge grooves outside the expansion blade 12 and at the end part of the cutter body of the expansion blade 12, the guide wires 13 are matched with the expansion blade 12 for expansion, so that the catheter body 11 can be well stabilized, groove bodies corresponding to the number and the positions of the guide wires 13 are formed in the periphery of the conical end, one end of each guide wire 13 extends out of the corresponding groove body and is turned over, the guide wires 13 have certain supporting performance and can well support the catheter body 11 for use, the tail ends of the four guide wires 13 are connected with each other to form a total guide wire, a limiting slide block 14 penetrates through the outer part of the total guide wire, the limiting slide block 14 is in sliding fit with the inner side wall of the inner tube 15, the expansion blade 12 and the guide wires 13 can be simultaneously drawn out after being separated from the inner tube 15 by pulling the limiting slide block 14, and at the moment, only the catheter body 11 is left at the thoracic cavity part of a patient.

The outer side wall of the catheter body 11 is uniformly provided with the anti-skid protrusions 16, and the anti-skid protrusions 16 can be made of sterile medical silica gel, so that after the catheter body 11 is inserted into a patient, good stability is achieved between the outside of the catheter body and a contact surface of the patient.

The one end of defeated pipe 2 is equipped with connector 4, pipe body 11 is inside to be equipped with inner tube 15, and leaves the annular that supplies connector 4 embedding between inner tube 15 and the pipe body 11, looks interference fit between annular and the connector 4 can guarantee defeated pipe 2 and pipe body 11's zonulae occludens, is difficult for producing to let out the secret, guarantees the reliability of structure, the outside of defeated pipe 2 is equipped with flow control valve 5, the discharge flow of steerable pleural effusion.

It should be noted that, when the catheter assembly is used, after the dilation puncture is completed through the dilation blade 12 and the catheter body 11 is inserted into the thoracic cavity of the patient, at the same time, the guide wire 13 in the outer edge groove of the dilation blade 12 extends and turns over from the corresponding groove body, the guide wire 13 has certain support property, and can well support the catheter body 11 for use, so that the structure of the catheter body 11 is stable, then, since the tail ends of the four guide wires 13 are connected with each other to form a total guide wire, and the limiting slide block 14 penetrates through the outer part of the total guide wire, after the limiting slide block 14 is pulled to slide with the inner tube 15, the total guide wire pulls the dilation blade 12 and the four guide wires 13 to draw out the catheter body 11, after the pleural effusion flows out along the catheter body 11, the connector 4 connected with the front end of the catheter 2 is correspondingly inserted into the annular groove formed between the catheter body 11 and the inner tube 15, so as to complete the connection of the catheter 2, the hydrops flows into the collection liquid bag 3 that defeated pipe 2 connects along defeated pipe 2, accomplishes whole pleural effusion and puts a tub drainage operation promptly, and this pipe subassembly is the integral type setting, does benefit to the operation and uses, and the loaded down with trivial details nature of process reduces, and efficiency obtains promoting greatly.

The top end of the liquid collecting bag 3 is provided with a buffer cylinder 6, a hanging ring 9 is arranged outside the buffer cylinder 6, the liquid collecting bag 3 can be fixed on a frame through the hanging ring 9, the liquid collecting bag 3 is convenient to stably place, the conveying pipe 2 penetrates through the buffer cylinder 6 and extends into the liquid collecting bag 3, one section of the conveying pipe 2, which is positioned in the buffer cylinder 6, is provided with a spiral pipe 7, when the liquid collecting bag 3 is overturned, accumulated liquid in the liquid collecting bag 3 flows back from the bottom end of the conveying pipe 2, as the spiral pipe 7 is arranged at one section of the conveying pipe 2, which is positioned in the buffer cylinder 6, the path of the backflow of the accumulated liquid is increased, the accumulated liquid is not easy to flow back into the pipe body 11, the longer reaction time of medical staff is provided, the practicability is improved, the bottom end of the liquid collecting bag 3 is provided with a liquid discharging pipe 8, a plug 10 is embedded outside the liquid discharging pipe 8, and the accumulated liquid in the liquid collecting bag 3 can be discharged through the liquid discharging pipe 8 after the plug 10 is opened, the liquid collecting bag 3 is convenient to use when discharging liquid next time.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. An integrated pleural effusion drainage catheter component, which is characterized by comprising a puncture outer tube (1), a delivery catheter (2) inserted at the liquid outlet end of the puncture outer tube (1) and a liquid collection bag (3) arranged at the liquid outlet end of the delivery catheter (2);

puncture outer tube (1) is including pipe body (11), and the puncture end of pipe body (11) is the cone end, the inside of pipe body (11) is inserted and is had expansion blade (12), and the tool bit of expansion blade (12) stretches out from the cone end.

2. The integrated pleural effusion drainage catheter assembly of claim 1, wherein: the expansion blade (12) is a triangular edge body, guide wires (13) are arranged in three edge grooves outside the expansion blade (12) and at the end part of a cutter body of the expansion blade (12), groove bodies corresponding to the guide wires (13) in number and position are arranged on the periphery of the conical end, and one end of each guide wire (13) stretches out of the corresponding groove body to be turned over.

3. An integrated pleural effusion drainage catheter assembly according to claim 2, wherein: the tail ends of the four guide wires (13) are connected with each other to form a total guide wire, a limiting sliding block (14) penetrates through the outer portion of the total guide wire, and the limiting sliding block (14) is in sliding fit with the inner side wall of the inner tube (15).

4. The integrated pleural effusion drainage catheter assembly of claim 1, wherein: the outer side wall of the guide pipe body (11) is uniformly provided with anti-skid bulges (16).

5. The integrated pleural effusion drainage catheter assembly of claim 1, wherein: the one end of defeated pipe (2) is equipped with connector (4), pipe body (11) inside is equipped with inner tube (15), and leaves the annular that supplies connector (4) embedding between inner tube (15) and pipe body (11), the outside of defeated pipe (2) is equipped with flow control valve (5).

6. The integrated pleural effusion drainage catheter assembly of claim 1, wherein: the liquid collecting bag is characterized in that a buffer cylinder (6) is arranged at the top end of the liquid collecting bag (3), a hanging ring (9) is arranged outside the buffer cylinder (6), the conveying pipe (2) penetrates through the buffer cylinder (6) and extends into the liquid collecting bag (3), and one section of the conveying pipe (2) located in the buffer cylinder (6) is arranged to be a spiral pipe (7).

7. The integrated pleural effusion drainage catheter assembly of claim 1, wherein: the bottom end of the liquid collecting bag (3) is provided with a liquid discharge pipe (8), and the outside of the liquid discharge pipe (8) is embedded with a plug (10).