CN211158034U - Internal spring reinforced drainage catheter - Google Patents

Abstract

The utility model discloses an inner spring strenghthened type drainage catheter, including being used for inserting the inside body of human body or animal, the body adopts transparent material to make, the body is used for stretching into the inside drainage port of human body or animal and is located the linkage segment that its right-hand member is used for connecting the lock cap including being located its left end, is close to the body surface of drainage port is equipped with a plurality of side opening, and the setting of side opening is convenient for human body or animal liquid to get into from the body side, the utility model discloses drawback to current device is improved, sets loose section and inseparable section through the enhancement spring that will add, still makes the flow that can observe the inside liquid of body when improving drainage tube mechanical properties to and be convenient for observe the degree of depth of intubate according to the spring silk, the practicality is strong.

Description

Internal spring reinforced drainage catheter

Technical Field

The utility model relates to a can be used to human and animal medical equipment technical field, specifically is an inner spring strenghthened type drainage catheter.

Background

At present, the lumbar cisterna and the internal spring reinforced drainage catheter clinically used in neurology and surgical department have the tube body which is difficult to insert in a body in a soft way and is easy to extrude and shrink to cause pipeline blockage. The inner spring reinforced drainage catheter used in lumbar cisterna magna drainage has the advantages of small size, 1000mm length, less than 1.6mm diameter and less than 1.0mm inner diameter, and is made of polyurethane and silica gel, so that the drainage catheter has small size and very soft texture, and is very difficult to puncture into the body by being used alone. At present, a steel wire with the length of 1 meter is lined for guiding and entering, but the guide wire is in a bent state and is long when being extracted, so that the pipe or the guide wire is difficult and easy to break when being extracted, the operation of medical personnel is inconvenient, and the fault risk is high. The joints and the conduit connections used clinically at present are easy to fall off and have the risk of blockage.

The drawback that exists to current inner spring strenghthened type drainage catheter, current drainage tube improves the performance of drainage tube through adding the spring in its inside, but this kind of inner spring's mode can lead to the inconvenient inside liquid situation of observation pipe in later stage, based on above-mentioned background, provides an improved inner spring strenghthened type drainage catheter now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inner spring strenghthened type drainage catheter to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

An inner spring reinforced drainage catheter comprises a catheter body which is inserted into the human body or the animal body, wherein the catheter body is made of transparent materials, the catheter body comprises a drainage port which is positioned at the left end of the catheter body and used for extending into the human body or the animal body and a connecting section which is positioned at the right end of the catheter body and used for connecting a locking cap, a plurality of side holes are formed in the surface of the catheter body close to the drainage port, and human body liquid can conveniently enter from the lateral surface of the catheter body due to the arrangement of the side holes;

The utility model discloses a pipe body, including body, reinforcing spring, screw thread interval, the internal portion of body is equipped with reinforcing spring, it does not have the clearance to combine together between reinforcing spring and the body inner wall, reinforcing spring comprises the great loose section of screw thread interval and the less inseparable section of screw thread interval, the screw thread interval of loose section is the twice of inseparable section screw thread interval, and the reinforcing spring that is close to the side opening place is loose section.

As a further aspect of the present invention: the locking cap comprises a locking cap thin section with the same diameter as the connecting section and a locking cap wide section with the diameter larger than the connecting section, and the connecting section is inserted into the locking cap thin section to enable the pipe body to be connected with the locking cap.

As a further aspect of the present invention: the lock cap comprises a lock cap step, the steel needle joint comprises a buckle protrusion, and after connection, the buckle protrusion is clamped into the lock cap step to enable the lock cap to be connected with the steel needle joint.

As a further aspect of the present invention: the steel needle joint comprises a steel needle which can extend into the connecting section after being connected, and the steel needle is not contacted with the reinforcing spring after being connected.

As a further aspect of the present invention: the thread pitch of the reinforcing spring is 0.5-1 mm.

As a further aspect of the present invention: the drainage port is provided with a conical structure convenient for intubation.

As a further aspect of the present invention: the reinforcing spring is shorter than the pipe body, the connecting section reaches drainage port department is not equipped with the reinforcing spring.

As a further aspect of the present invention: the minimum port diameter of the conical structure is smaller than the diameter of the reinforcing spring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses drawback to current device is improved, sets loose section and inseparable section through the enhancement spring that will add, still makes the flow that can observe the inside liquid of body when improving drainage tube mechanical properties to and be convenient for observe the degree of depth of intubate according to the spring wire, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the internal structure diagram of the pipe body where the side holes are located in the present invention.

Fig. 3 is an explosion diagram of the middle part structure of the present invention.

Fig. 4 is a schematic diagram of the connection of the middle part structure of the present invention.

Wherein: the pipe body 1, the reinforcing spring 2, the loosening section 21, the tightening section 22, the connecting section 11, the drainage port 12, the side hole 13, the lock cap 3, the lock cap step 31, the lock cap thin section 32, the lock cap wide section 33, the steel needle joint 4, the buckling protrusion 41 and the steel needle 42.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, in an embodiment of the present invention, an inner spring reinforced drainage catheter comprises a tube body 1 for inserting into a human body or an animal body, the tube body 1 includes a drainage port 12 at a left end for extending into the human body or the animal body and a connection section 11 at a right end for connecting a locking cap 3, and the right end of the locking cap 3 is connected to a steel needle connector 4. The steel needle joint 4 is provided with a steel needle 42, and the steel needle 42 extends into the connecting section 11 to enable liquid to flow in.

The outside of lock cap 3 is equipped with lock cap step 31, be equipped with buckle arch 41 on the steel needle connects 4, connect the back, buckle arch 41 card is gone into lock cap step 31 makes lock cap 3 with steel needle connects 4 and connects, and difficult dismantlement.

The locking cap 3 comprises a locking cap thin section 32 with the same diameter as the connecting section 11 and a locking cap wide section 33 with the diameter larger than the connecting section 11, and the connecting section 11 is inserted into the locking cap thin section 32 to connect the pipe body 1 with the locking cap 3.

The purpose that locking cap 3 and steel needle joint 4 set up is that connect the steel needle joint with the linkage segment 11 internal stay outer clamp connect fixedly, the drainage bag is connected in the later stage of being convenient for, the dismantlement in device later stage of being convenient for of this kind of connected mode is close to in the body 1 of liquid admission for the convenience of liquid 1 the body 1 surface of drainage port 2 is equipped with a plurality of side opening 13, and the setting of side opening 13 is convenient for human liquid and is followed body 1 side admission.

The tube body 1 is made of transparent materials, and the materials are soft deformable materials, so that the liquid in the tube body can be observed conveniently, and the tube body can enter the human body or the animal body conveniently.

The utility model discloses a drainage tube, including body 1, reinforcing spring 2 and body 1, zero clearance between the inner wall, reinforcing spring 2 comprises the great loose section 21 of screw thread interval and the inseparable section 22 that the screw thread interval is less, reinforcing spring 2's screw thread interval is 0.5-1mm, the screw thread interval of loose section 21 is the twice of inseparable section 22 screw thread interval, and reinforcing spring 2 that is close to the place of side opening 13 is loose section 21, so in this way be convenient for external liquid to get into body 1, reduced the entry resistance, here through set up loose section 21 on reinforcing spring 2, and then be convenient for see through loose section 21 and observe the flow of the inside liquid of body 1, can also be through observing the degree of depth of observing the spring silk control intubate in addition, compare current drainage tube and not only guaranteed the performance of drainage tube, still be convenient for observe the flow of its inside liquid and to the control, the practicability is strong.

The length of the reinforcing spring 2 is shorter than that of the tube body 1, and the reinforcing spring 2 is not arranged at the connecting section 11 and the drainage port 12, so that the connecting section 11 and the steel needle joint 4 are conveniently connected, and the drainage port 12 extends into the human body or the animal body.

Example 2

The drainage port 12 is provided with a tapered configuration, thereby reducing the difficulty of intubation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. An inner spring reinforced drainage catheter comprises a catheter body (1) inserted into a human body or an animal, wherein the catheter body (1) is made of a transparent material, and is characterized in that the catheter body (1) comprises a drainage port (12) located at the left end of the catheter body and used for extending into the human body or the animal and a connecting section (11) located at the right end of the catheter body and used for connecting a locking cap (3), a plurality of side holes (13) convenient for human body or animal liquid to enter from the side face of the catheter body (1) are formed in the surface of the catheter body (1) close to the drainage port (12), and the liquid enters a steel needle joint (4) from the inside of the catheter body (1);

Body (1) inside is equipped with reinforced spring (2), strengthen no clearance between spring (2) and body (1) inner wall, reinforced spring (2) comprise the great loose section (21) of screw thread interval and the less inseparable section (22) of screw thread interval, the screw thread interval of loose section (21) is the twice of inseparable section (22) screw thread interval, and reinforced spring (2) near side opening (13) place is loose section (21).

2. The drainage catheter of claim 1, wherein the locking cap (3) comprises a locking cap thin section (32) with the same diameter as the connecting section (11) and a locking cap wide section (33) with a larger diameter than the connecting section (11), and the connecting section (11) is inserted into the locking cap thin section (32) to connect the catheter body (1) and the locking cap (3).

3. The innerspring reinforcement type drainage catheter of claim 1, wherein the locking cap (3) includes a locking cap step (31), and the steel needle hub (4) includes a snap projection (41), and after connection, the snap projection (41) is snapped into the locking cap step (31) to connect the locking cap (3) and the steel needle hub (4).

4. The drainage catheter with the reinforced internal spring type according to claim 1, wherein the steel needle joint (4) comprises a steel needle (42) which can extend into the connecting section (11) after being connected, and after being connected, the steel needle (42) is not in contact with the reinforced spring (2).

5. The innerspring reinforcement type drainage catheter of claim 1, wherein the reinforcing spring (2) has a thread pitch of 0.5-1 mm.

6. The innerspring reinforced drainage catheter of any one of claims 1-5, wherein the drainage ports (12) are arranged in a tapered configuration to facilitate intubation.

7. The innerspring reinforcement type drainage catheter of claim 1, wherein the reinforcement spring (2) is shorter than the body (1), the reinforcement spring (2) not being provided at the connection section (11) and the drainage port (12).

8. The innerspring reinforcement type drainage catheter of claim 6, wherein the minimum port diameter of the conical structure is smaller than the diameter of the reinforcement spring (2).

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