CN211273030U

CN211273030U - Central venous catheter with drainage hole

Info

Publication number: CN211273030U
Application number: CN201921437749.7U
Authority: CN
Inventors: 朱莹莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-08-18
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a central ductus venosus with drainage hole belongs to central ductus venosus technical field. The central venous catheter with the drainage hole comprises a drainage pipe, wherein the outer surface of the drainage pipe is provided with a shunt hole, a shunt pipe is clamped inside the shunt hole, a cavity is formed inside the drainage pipe, a choke pipe is arranged inside the cavity, and a flow responding hole is formed inside the choke pipe; the utility model discloses, through the diffluence orifice, answer the discharge orifice, the cooperation of current drainage pipe and choke tube is used, the medical staff accessible removes the choke tube and makes to answer the discharge orifice corresponding with the diffluence orifice, floccule accessible diffluence orifice in the interior hydrops of current drainage pipe flows in the diffluence orifice, adherence phenomenon's emergence when effectively avoiding central vein to lead the use, through a plurality of diffluence orifices and the setting that should flow orifice, can obviously reduce the stifled pipe probability of pipe, it is more smooth and easy to make the hydrops drainage, probability and simple structure that can reduce the stifled pipe of pipe have, the medical staff of being convenient for operates.

Description

Central venous catheter with drainage hole

Technical Field

The utility model relates to a central venous catheter technical field especially relates to central venous catheter with drainage hole.

Background

The central venous catheter belongs to one of intravascular tubes and is placed in a great vein. Are commonly used: measuring central venous pressure (central venous pressure ) for assessing circulatory physiological parameters, and estimating fluid quality; a large amount of rapid venous transfusion, which is often used in operations with possibly large blood loss or in emergency to maintain blood pressure; the administration routes of long-term parenteral nutrition, long-term antibiotic injection, and long-term analgesic injection; for drugs with more irritative peripheral veins (venules), the infusion was carried out from a central venous catheter. For example: amiodarone and the like; hemodialysis pipeline, such as plasma replacement or chemotherapy for washing kidney tumor, can prevent chemical phlebitis and prevent medicinal liquid from extravasation; a good infusion channel is established for a patient who carries out infusion repeatedly, so that the pain of repeated puncture is avoided; the critical patient establishes an infusion path.

At present, a central venous catheter is basically used for draining serous cavity accumulated liquid clinically, the inner diameter of the catheter is only about 1mm, and the accumulated liquid cannot be drained smoothly if more floccules exist or the condition that the tip of the catheter adheres to the wall appears in the accumulated liquid.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of unsmooth drainage in the prior art and providing a central venous catheter with a drainage hole.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

central venous catheter with drainage hole, including the drainage pipe, the reposition of redundant personnel hole has been seted up to the surface of drainage pipe, the inside joint in reposition of redundant personnel hole has the shunt tubes, the cavity has been seted up to the inside of drainage pipe, the inside of cavity is provided with the choke tube, the inside of choke tube has been seted up and has been responded to the orifice.

Preferably, one end of the drainage pipe is fixedly connected with a drainage pipe body, and the drainage pipe is a soft body.

Preferably, the front surface of the drainage pipe is provided with a sliding groove, and a choke pipe connecting block is arranged inside the sliding groove.

Preferably, the choke tube connecting block is fixedly connected to one side of the choke tube, and the flow dividing holes are matched with the corresponding flow holes.

Preferably, the number of the diversion holes is several, and the several diversion holes are arranged on the outer surface of the drainage pipe in an annular array.

Preferably, the number of the shunt tubes is several, and several shunt tubes are fixedly connected to the outer surface of the discharge tube in the form of annular array.

Compared with the prior art, the utility model provides a central ductus venosus with drainage hole possesses following beneficial effect:

1. the utility model discloses, through the diffluence orifice, should the cooperation of discharge orifice, current drainage pipe and choke tube use, the medical staff accessible removes the choke tube and makes to respond the discharge orifice corresponding with the diffluence orifice, and floccule accessible shunt orifice in the interior hydrops of current drainage pipe flows in the diffluence orifice, and adherence phenomenon's emergence when effectively avoiding central vein to lead the use can obviously reduce the stifled pipe probability of pipe through a plurality of diffluence orifices and the setting in discharge orifice, makes the hydrops drainage more smooth and easy.

2. The utility model discloses, cooperation through choke pipe connecting block, cavity, choke pipe and spout is used, and medical personnel accessible promotes the choke pipe connecting block and slides in the spout, can drive the choke pipe and slide in the cavity to the messenger should the discharge orifice corresponding with the diffluence orifice, the simple convenient labour saving and time saving of its operation process, not only overall structure connects compactly, and the leakproofness is strong, and simple structure, and the cost of manufacture is lower, has good practicality.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can reduce probability and simple structure that the pipe was blocked up, the medical personnel of being convenient for operate.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the front view structure of the shunt tube of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the choke tube of the present invention;

fig. 4 is a schematic view of the three-dimensional cross-sectional structure of the drainage tube of the present invention.

In the figure: 1. a drain pipe; 2. a flow guide pipe body; 3. a shunt hole; 4. a shunt tube; 5. a cavity; 6. a choke tube; 7. an orifice; 8. a chute; 9. choke pipe connecting block.

Detailed Description

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 only for convenience of description and 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.

Referring to fig. 1-4, a central venous catheter with drainage holes, including a drainage tube 1, where the effusion can flow in the drainage tube 1, a shunt hole 3 is formed on the outer surface of the drainage tube 1, a shunt tube 4 is clamped inside the shunt hole 3, the floccule in the effusion can flow into the shunt tube 4 through the shunt hole 3, the shunt tube 4 is a sealed tube body, a cavity 5 is formed inside the drainage tube 1, a choke tube 6 is arranged inside the cavity 5, the choke tube 6 can slide in the cavity 5, a flow-responding hole 7 is formed inside the choke tube 6, medical staff can make the flow-responding hole 7 correspond to the shunt hole 3 by moving the choke tube 6, otherwise, the effusion can be prevented from flowing into the shunt tube 4 through the shunt hole 3, one end of the drainage tube 1 is fixedly connected with a flow guide tube body 2, the shunt tube 4 is soft, a chute 8 is formed in the front of, the inside of spout 8 is provided with choke tube connecting block 9, can drive choke tube 6 and remove through promoting choke

tube connecting block

9, 9 fixed connection in one side of choke tube 6 of choke tube connecting block, diffluent hole 3 with correspond flow hole 7 looks adaptation, the quantity of diffluent hole 3 is a plurality of, and the surface at discharge tube 1 is seted up with annular array's form to a plurality of diffluent hole 3, the quantity of shunt tubes 4 is a plurality of, and a plurality of shunt tubes 4 is with annular array's form fixed connection at discharge tube 1's surface, through a plurality of diffluent holes 3 with the setting that corresponds flow hole 7, can reduce pipe stifled pipe probability, make the hydrops drainage more smooth and easy.

In the utility model, through the matching use of the diversion hole 3, the flow responding hole 7, the drainage pipe 1 and the choke pipe 6, medical personnel can make the flow responding hole 7 correspond to the diversion hole 3 by moving the choke pipe 6, floccules in accumulated fluid in the drainage pipe 1 can flow into the diversion pipe 4 through the diversion hole 3, the adherence phenomenon can be effectively avoided when the central vein conduction is used, through the arrangement of a plurality of diversion holes 3 and flow responding holes 7, the probability of the blockage of the catheter can be obviously reduced, the accumulated fluid drainage is smoother, through the matching use of the choke pipe connecting block 9, the cavity 5, the choke pipe 6 and the chute 8, the medical personnel can drive the choke pipe connecting block 9 to slide in the chute 8, thereby the flow responding hole 7 corresponds to the diversion hole 3, the operation process is simple, convenient, time-saving and labor-saving, the whole structure is compact in connection, the leakproofness is strong, and simple structure, and the cost of manufacture is lower, has good practicality.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Central venous catheter with drainage hole, including drainage pipe (1), its characterized in that, diversion hole (3) have been seted up to the surface of drainage pipe (1), the inside joint of diversion hole (3) has shunt tubes (4), cavity (5) have been seted up to the inside of drainage pipe (1), the inside of cavity (5) is provided with choke tube (6), the inside of choke tube (6) has been seted up and has been responded to discharge orifice (7).

2. The central venous catheter with the drainage hole as claimed in claim 1, characterized in that one end of the drainage tube (1) is fixedly connected with a drainage tube body (2), and the drainage tube (4) is soft.

3. The central venous catheter with the drainage hole as claimed in claim 1 is characterized in that the front face of the drainage tube (1) is provided with a sliding groove (8), and a choke tube connecting block (9) is arranged inside the sliding groove (8).

4. The central venous catheter with the drainage hole as claimed in claim 3, characterized in that the choke tube connecting block (9) is fixedly connected to one side of the choke tube (6), and the diversion hole (3) is matched with the corresponding flow hole (7).

5. The central venous catheter with the drainage holes as claimed in claim 1, characterized in that the number of the diversion holes (3) is several, and the several diversion holes (3) are opened on the outer surface of the drainage tube (1) in the form of an annular array.

6. The central catheter with drainage holes as claimed in claim 1, wherein the number of the shunt tubes (4) is several, and several shunt tubes (4) are fixedly connected to the outer surface of the drainage tube (1) in the form of a circular array.