CN218961583U

CN218961583U - Central venous catheter tube sealing device

Info

Publication number: CN218961583U
Application number: CN202221955825.5U
Authority: CN
Inventors: 嵇俊红
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-05-05
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a central venous catheter sealing device, which belongs to the technical field of medical appliances and aims at solving the problems that when an existing central venous catheter sealing cap is used, the sealing cap is required to be repeatedly screwed by force during installation and disassembly of the sealing cap, time and labor are wasted, abrasion is easy to occur, connection firmness is affected, the sealing cap is easy to screw and over-tighten, disassembly is laborious, and working efficiency of medical staff is affected; according to the utility model, the clamping column is automatically clamped into the clamping hole, the port of the catheter connector extrudes the rubber sealing ring to seal the port of the catheter, the sealing is convenient, the clamping column is moved out of the clamping hole through the dismounting mechanism, the sealing cap is conveniently dismounted, and the working efficiency of medical staff is improved.

Description

Central venous catheter tube sealing device

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a central venous catheter sealing device.

Background

In clinical work, the central venous catheter is needed to be reserved for the patients in major surgery, the central venous catheter is reserved in the major veins of the patients after the major surgery is finished, medical staff can perform operations such as measuring central venous pressure, intravenous infusion, medicine injection and hemodialysis through the central venous catheter, repeated puncture on the patients is avoided, pain of the patients is reduced, and meanwhile the medical staff can work conveniently.

The central venous catheter belongs to one of intravascular tubes, is placed in a great vein of a human body, is a life line of an extracorporeal blood circulation dialysis patient, and is currently, when the hemodialysis patient does not dialyze, the end part of the catheter is sealed by a tube sealing cap, and when in hemodialysis treatment, the tube sealing cap is removed, and the extracorporeal circulation pipeline of the central venous catheter is communicated; the pipe sealing cap body is generally similar to a mineral water bottle cap structure, the inner surface of the pipe sealing cap is provided with an internal thread, the outer surface of the pipe sealing cap is provided with an anti-slip edge, and the following defects exist in the use process of the existing pipe sealing cap:

(1) the pipe sealing cap is generally in threaded connection with the pipe port through threads, and the pipe sealing cap is required to be repeatedly screwed with force when the pipe sealing cap is installed and detached, so that the pipe sealing cap can be installed and detached, time and labor are wasted, meanwhile, the threads of the plastic are easy to wear after repeated screwing for many times, the phenomenon of sliding teeth is caused, and the connection firmness is affected.

(2) When the tube sealing cap is assembled, the number of turns of screwing cannot be mastered properly in the screwing process, the tube sealing cap is easy to screw and overtighten, difficulty is brought to the removal of the tube sealing cap in the next treatment, the disassembly is laborious, and the working efficiency of medical staff is affected.

Therefore, a central venous catheter sealing device is needed, and the problems that when an existing central venous catheter sealing cap is used, the sealing cap is required to be repeatedly screwed with force when the sealing cap is installed and detached, time and labor are wasted, abrasion is easy to occur, connection firmness is affected, the sealing cap is easy to screw and tighten, detachment is laborious, and the working efficiency of medical staff is affected are solved.

Disclosure of Invention

The utility model aims to provide a central venous catheter sealing device which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a central venous catheter sealing device, includes the pipe, the tip of pipe is fixed with the pipe joint, the port of pipe is inserted and is established the sealing cap that is adapted with one end open-ended, two cavity grooves that are symmetric distribution have been seted up in the lateral wall of pipe joint, be fixed with two bullet tongues that constitute through cavity groove group on the side of pipe joint, be fixed with the card post on the surface of bullet tongue, set up two card holes that are symmetric distribution with the card post adaptation on the cylinder side of sealing cap, be fixed with the detaching mechanism that corresponds with the card hole on the lateral wall of sealing cap, sealing cap's blind end inside wall laminating is fixed with rubber seal, rubber seal's area equals with sealing cap's blind end medial surface area.

In the scheme, the disassembly mechanism comprises an elastic sheet fixed on the outer side wall of the tube sealing cap, an extrusion column is fixed on the top end of the elastic sheet, the extrusion column and the clamping hole are correspondingly arranged, and a chamfer is arranged at the tail end of the extrusion column.

It is further worth to say that the lateral wall of pipe joint is fixed with the direction muscle, the inside wall of sealing the pipe cap has seted up the guide chute with direction muscle slip adaptation.

Furthermore, the outer side wall of the tube sealing cap is fixedly provided with a plurality of convex ribs.

As a preferred embodiment, two guide ribs and two guide sliding grooves are arranged, and the two guide ribs and the two guide sliding grooves are symmetrically distributed.

As a preferred embodiment, the outer side wall of one end of the conduit joint far away from the conduit is provided with threads, and a plurality of ribs are distributed in a ring shape.

Compared with the prior art, the central venous catheter sealing device provided by the utility model at least comprises the following beneficial effects:

(1) By closing the tube sealing cap onto the port of the conduit joint, when the clamping column on the spring tongue moves to the position of the clamping hole, the clamping column automatically clamps into the clamping hole, and the port of the conduit joint just extrudes the rubber sealing ring to enable the rubber sealing ring to elastically deform, so that the port of the conduit joint is sealed, bacteria and the like are prevented from entering the conduit through the conduit joint, the problem of pollution in the conduit is solved, the port of the conduit joint is sealed, the port of the conduit is sealed, the tube sealing is convenient and fast, the operation is convenient and labor-saving, the problem that the conduit is easy to screw and loosen or tighten when the conduit joint is sealed through threaded connection is avoided,

(2) Through pressing down the shell fragment, the tip of shell fragment drives the extrusion post and moves down, and the extrusion post inserts into the card downthehole to with card post ejecting from the card downthehole, pull out gently again and seal the pipe cap and can pull down the port department that seals the pipe cap from the pipe joint, thereby can conveniently dismantle the pipe cap, it is convenient to dismantle compared the mode of screw thread screwing, has improved medical personnel's work efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the latch and clip structure of the present utility model;

FIG. 3 is a schematic view of the overall front cross-section of the present utility model;

FIG. 4 is a schematic view of the tube sealing cap of the present utility model;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4.

In the figure: 1. a dismounting mechanism; 101. a spring plate; 102. an extrusion column; 103. chamfering; 2. a conduit; 3. a tube sealing cap; 4. a conduit joint; 5. a thread; 6. spring tongue; 7. a clamping column; 8. a clamping hole; 9. a cavity groove; 10. a rubber seal ring; 11. convex ribs; 12. a guide rib; 13. and a guiding chute.

Detailed Description

The utility model is further described below with reference to examples.

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are some, but not all, embodiments of the present utility model, and all other embodiments obtained by persons of ordinary skill in the art without inventive labor based on the described embodiments of the present utility model are included in the scope of protection of the present utility model.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-5, the utility model provides a central venous catheter sealing device, which comprises a catheter 2, wherein a catheter connector 4 is fixed at the end part of the catheter 2, a sealing cap 3 with an opening at one end is inserted and arranged at the port of the catheter 2, two symmetrically distributed cavity grooves 9 are formed in the side wall of the catheter connector 4, two elastic tongues 6 formed by the cavity grooves 9 are fixed on the side surface of the catheter connector 4, a clamping column 7 is fixed on the outer surface of the elastic tongue 6, two symmetrically distributed clamping holes 8 matched with the clamping column 7 are formed on the cylindrical side surface of the sealing cap 3, a dismounting mechanism 1 corresponding to the clamping holes 8 is fixed on the outer side wall of the sealing cap 3, a rubber sealing ring 10 is fixedly attached to the inner side wall of the sealing cap 3, and the area of the rubber sealing ring 10 is equal to the area of the inner side surface of the sealing cap 3; when the port of the catheter 2 is closed, the pipe sealing cap 3 is covered on the port of the catheter connector 4, when the clamping column 7 on the elastic tongue 6 moves to the position of the clamping hole 8, the clamping column 7 is automatically clamped into the clamping hole 8, the port of the catheter connector 4 just extrudes the rubber sealing ring 10 to enable the rubber sealing ring 10 to generate elastic deformation, thereby sealing the port of the catheter connector 4, preventing bacteria and the like from entering the catheter 2 through the catheter connector 4, causing the problem of pollution in the catheter 2, closing the port of the catheter connector 4, further closing the port of the catheter 2, sealing the pipe conveniently and conveniently, ensuring that the operation is convenient and labor-saving, avoiding the problem of easy screwing and loosening or overtightening when closing through threaded connection, and removing the clamping column 7 from the clamping hole 8 through the dismounting mechanism 1 when the pipe sealing cap 3 is dismounted, thereby conveniently dismounting the pipe sealing cap 3, and improving the working efficiency of medical staff compared with the screwing mode.

As further shown in fig. 1, 3 and 5, it is worth specifically explaining that the dismounting mechanism 1 comprises a spring plate 101 fixed with the outer side wall of the tube sealing cap 3, the top end of the spring plate 101 is fixed with an extrusion column 102, the extrusion column 102 and the clamping hole 8 are correspondingly arranged, and the tail end of the extrusion column 102 is provided with a chamfer 103; when the tube sealing cap 3 is disassembled, the end part of the elastic sheet 101 drives the extrusion column 102 to move downwards through the pressing of the elastic sheet 101, the extrusion column 102 is inserted into the clamping hole 8, so that the clamping column 7 is ejected out of the clamping hole 8, the tube sealing cap 3 can be disassembled from the port of the conduit connector 4 by slightly pulling the tube sealing cap 3 outwards, the tube sealing cap 3 can be conveniently disassembled, and compared with the threaded screwing mode, the tube sealing cap is convenient to disassemble, and the working efficiency of medical staff is improved.

As further shown in fig. 2 and 4, it should be specifically explained that the outer side wall of the catheter adapter 4 is fixed with a guide rib 12, and the inner side wall of the tube sealing cap 3 is provided with a guide chute 13 slidably adapted to the guide rib 12; when the pipe sealing cap 3 is covered on the port of the catheter connector 4 in specific operation, the guide rib 12 is aligned with the guide chute 13, the pipe sealing cap 3 is pushed to move, the guide rib 12 slides in the guide chute 13 to conduct limiting guide, the clamping column 7 is ensured to be aligned with the clamping hole 8 all the time, and the clamping column 7 is conveniently clamped into the clamping hole 8.

The scheme comprises the following working processes: when the port of the conduit 2 is closed, the sealing cap 3 is covered on the port of the conduit connector 4, the guide rib 12 is aligned with the guide chute 13, the sealing cap 3 is pushed to move, the guide rib 12 slides in the guide chute 13 to conduct limiting guide, the clamping column 7 is always aligned with the clamping hole 8, when the clamping column 7 on the spring tongue 6 moves to the position of the clamping hole 8, the clamping column 7 is automatically clamped into the clamping hole 8, at the moment, the port of the conduit connector 4 just presses the rubber sealing ring 10 to enable the rubber sealing ring 10 to elastically deform, so that the port of the conduit connector 4 is sealed, the port of the conduit 2 is further sealed, and when the sealing cap 3 is removed, the end part of the spring piece 101 drives the extrusion column 102 to move downwards through the pressing piece 101, the extrusion column 102 is inserted into the clamping hole 8, the clamping column 7 is ejected from the clamping hole 8, and the sealing cap 3 can be removed from the port of the conduit connector 4 by slightly pulling the sealing cap 3 outwards.

The working process can be as follows: the clamping column 7 is automatically clamped into the clamping hole 8, at the moment, the port of the conduit joint 4 just extrudes the rubber sealing ring 10 to enable the rubber sealing ring 10 to generate elastic deformation, thereby sealing the port of the conduit joint 4, preventing bacteria and the like from entering the conduit 2 through the conduit joint 4, causing the problem of pollution in the conduit 2, closing the port of the conduit joint 4, closing the port of the conduit 2, being convenient and fast in pipe sealing, saving labor, avoiding the problem of easy screwing and loosening or over tightening when closing through threaded connection, and conveniently disassembling the pipe sealing cap 3 by pressing the disassembling mechanism 1, removing the clamping column 7 from the clamping hole 8 through the disassembling mechanism 1, thereby conveniently disassembling the pipe sealing cap 3, and improving the working efficiency of medical staff compared with the mode of screwing.

As further shown in fig. 4, it is worth specifically explaining that the outer side wall of the tube sealing cap 3 is fixed with a plurality of ribs 11, and the ribs 11 are provided; in specific work, the friction force of the pipe sealing cap 3 manually pulled is effectively improved by the arranged convex ribs 11, and slipping is avoided.

As further shown in fig. 2 and 4, it should be noted that two guide ribs 12 and two guide grooves 13 are provided, and the two guide ribs 12 and the guide grooves 13 are symmetrically distributed.

As further shown in fig. 2 and 4, it is worth specifically explaining that the outer side wall of one end of the conduit connector 4 far away from the conduit 2 is provided with threads 5, and a plurality of ribs 11 are distributed in a ring shape; in specific work, the arranged screw thread 5 facilitates the threaded connection of a nursing staff to install the injector connector.

To sum up: the clamping column 7 is automatically clamped into the clamping hole 8, the port of the conduit joint 4 just extrudes the rubber sealing ring 10 to enable the rubber sealing ring 10 to generate elastic deformation, thereby sealing the port of the conduit joint 4, bacteria and the like are prevented from entering the conduit 2 through the conduit joint 4, the problem of pollution in the conduit 2 is caused, the port of the conduit joint 4 is sealed, the port of the conduit 2 is further sealed, the pipe sealing is convenient and fast, the operation is convenient and labor-saving, the problem that the clamping column 7 is easy to unscrew or tighten when the pipe sealing cap 3 is sealed through threaded connection is avoided, when the pipe sealing cap 3 is dismounted, the dismounting mechanism 1 is pressed to remove the clamping column 7 from the clamping hole 8, the pipe sealing cap 3 can be conveniently dismounted, compared with the threaded screwing mode, the work efficiency of medical staff is improved, the guide rib 12 slides in the guide chute 13, limit guiding is carried out, the clamping column 7 is always aligned with the clamping hole 8, the clamping column 7 is convenient to clamp into the clamping hole 8, the friction force when the pipe sealing cap 3 is manually pulled is effectively improved, and slipping is avoided.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs, the terms "comprising" or "comprises" and the like as used herein shall mean that the element or article preceding the term encompasses the element or article listed after the term and equivalents thereof without excluding other elements or articles, and that the terms "connected" or "connected" and the like shall not be limited to physical or mechanical connections, but shall also include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships that may also be correspondingly altered when the absolute position of the object being described is altered.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a central venous catheter sealing device, includes pipe (2), its characterized in that, the tip of pipe (2) is fixed with pipe joint (4), the port of pipe (2) is inserted and is established and be furnished with one end open-ended tube sealing cap (3), two cavity grooves (9) that are symmetric distribution have been seted up in the lateral wall of pipe joint (4), be fixed with two bullet tongues (6) that constitute through cavity groove (9) group on the side of pipe joint (4), be fixed with card post (7) on the surface of bullet tongue (6), two card holes (8) that are symmetric distribution with card post (7) adaptation have been seted up on the cylinder side of tube sealing cap (3), be fixed with on the lateral wall of tube sealing cap (3) with the detaching mechanism (1) that card hole (8) correspond, the laminating of the blind end inside wall of tube sealing cap (3) is fixed with rubber seal ring (10), the area of rubber seal ring (10) equals with the blind end area of tube sealing cap (3).

2. The central venous catheter sealing device according to claim 1, wherein the dismounting mechanism (1) comprises a spring piece (101) fixed with the outer side wall of the catheter sealing cap (3), an extrusion column (102) is fixed at the top end of the spring piece (101), the extrusion column (102) and the clamping hole (8) are correspondingly arranged, and a chamfer (103) is arranged at the tail end of the extrusion column (102).

3. The central venous catheter sealing device according to claim 1, wherein the outer side wall of the catheter adapter (4) is fixedly provided with a guide rib (12), and the inner side wall of the catheter sealing cap (3) is provided with a guide chute (13) which is in sliding fit with the guide rib (12).

4. A central venous catheter sealing device according to claim 3, characterized in that the outer side wall of the sealing cap (3) is fixed with ribs (11), the ribs (11) being provided in plurality.

5. A central venous catheter sealing device according to claim 3, characterized in that two guide ribs (12) and guide sliding grooves (13) are arranged, and the two guide ribs (12) and the guide sliding grooves (13) are symmetrically distributed.

6. A central venous catheter sealing device according to claim 4, characterized in that the outer side wall of the end of the catheter adapter (4) far away from the catheter (2) is provided with threads (5), and a plurality of ribs (11) are distributed in a ring shape.