CN213158953U

CN213158953U - Central venous indwelling catheter connector

Info

Publication number: CN213158953U
Application number: CN202021372841.2U
Authority: CN
Inventors: 黄忠平
Original assignee: Individual
Current assignee: First Peoples Hospital of Huzhou
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-05-11
Anticipated expiration: 2030-07-14

Abstract

The utility model belongs to the technical field of medical care, especially, keep somewhere pipe connection head for central vein, including main siphunculus, the left and right sides both ends of main siphunculus all communicate there is the pipe connection pipe, the up end of two pipe connection pipes all fixedly connected with connector, the lower extreme intercommunication of main siphunculus outer wall has the blood to pass through the connecting pipe, the front side of main siphunculus is provided with two rotatory bolts, two rotatory bolts are located the left and right sides of the blood respectively and pass through the connecting pipe, the rear side of two rotatory bolts all fixedly connected with pivot, the rear end of two pivot all runs through main siphunculus and extends to the inside of main siphunculus, the rear end fixedly connected with butterfly valve of pivot, the ooff point; through increasing central vein indwelling catheter connector between vascular route and hemodialysis pipeline, when blood flow is not good in an end, close this end butterfly valve to handle this end blood under the condition that need not stop hemodialysis machine blood pump, reduce blood and expose and the blood coagulation's in the peripheral pipeline condition emergence.

Description

Central venous indwelling catheter connector

Technical Field

The utility model relates to a medical care technical field, concretely relates to central vein keeps somewhere pipe connector.

Background

Hemodialysis, also known as artificial kidney or kidney washing in popular parlance, is a blood purification technology, and achieves the purposes of purifying blood and correcting water electrolyte and acid-base balance by utilizing the principle of a semipermeable membrane and removing various harmful and redundant metabolic wastes and excessive electrolytes in vivo out of the body through diffusion.

In hemodialysis, because the central venous indwelling catheter has poor flow (such as thrombus, fibrin sheath and the like), a dialysis pipeline needs to be disconnected for treatment (such as tube sealing and the like) of the central venous indwelling catheter, so that the risks of blood exposure and infection are increased.

SUMMERY OF THE UTILITY MODEL

For solving the problem that proposes among the above-mentioned background art, the utility model provides a central vein keeps somewhere pipe connection head has the characteristics that can carry out flow control under the condition of not breaking the hemodialysis pipeline.

In order to achieve the above object, the utility model provides a following technical scheme: central vein indwelling catheter connector, including main siphunculus, the equal intercommunication in both ends has the pipe connecting pipe, two about main siphunculus the equal fixedly connected with connector of up end of pipe connecting pipe, the lower extreme intercommunication of main siphunculus outer wall has blood to pass through the connecting pipe, the front side of main siphunculus is provided with two rotatory bolts, two rotatory bolt is located the left and right sides that blood passed through the connecting pipe respectively, two the equal fixedly connected with pivot in rear side of rotatory bolt, two the rear end of pivot all runs through main siphunculus and extends to the inside of main siphunculus, the rear end fixedly connected with butterfly valve of pivot, main siphunculus and blood pass through the junction of connecting pipe and install the ooff valve, the switch valve is located between two butterfly valves.

In order to strengthen the leakproofness of butterfly valve, as the utility model discloses the central vein is kept somewhere that the pipe connection head is preferred, two the equal fixedly connected with sealing washer in outer lane of butterfly valve, two the outer wall of sealing washer and the inner wall swing joint of main siphunculus.

In order to avoid the liquid in the main siphunculus to ooze, conduct the utility model discloses central vein indwelling catheter connector is preferred, two the equal joint in junction of pivot and main siphunculus has sealed the pad.

In order to facilitate the medical staff to input the medicament to the central vein indwelling catheter, as the utility model discloses the central vein indwelling catheter connector is preferred, two the heparin cap is all installed to the lower extreme of pipe connecting pipe.

For convenient connecting vein and artery blood pass through the connecting pipe, conduct the utility model discloses central vein indwelling catheter connector is preferred, two bleeder of lower extreme fixedly connected with of connecting pipe are passed through to blood.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this kind of catheter connection head is kept somewhere to central vein through increasing central vein between vascular route and hemodialysis pipeline and keeping somewhere the catheter connection head, when blood flow is not good in an end, rotates this end rotation bolt, and then the butterfly valve rotates and blocks up this end main siphunculus to adjust this end blood flow under the condition that need not stop hemodialysis machine blood pump, reduce blood and expose and the coagulated condition emergence in the peripheral pipeline.

2. This kind of catheter connection head is kept somewhere to central vein rotates rotatory bolt and drives pivot and butterfly valve rotation, can block up the one end of main siphunculus when the butterfly valve is rotatory ninety degrees, and the sealing washer in the butterfly valve outside closely laminates with main siphunculus inner wall when blockking up main siphunculus, and then strengthens the leakproofness of butterfly valve.

3. This kind of central vein indwelling catheter connector when needs keep somewhere the intraductal injection medicament of pipe to the patient, can close the butterfly valve of this end, then opens the heparin cap of minimum distance, and then conveniently injects the medicament into the pipe connecting pipe and input patient internal.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a structural view of a central venous indwelling catheter connector of the present invention;

FIG. 2 is a sectional view of the central venous indwelling catheter connector of the present invention;

FIG. 3 is a structural diagram of the butterfly valve and the rotary bolt of the present invention;

fig. 4 is a schematic view of the position a of the present invention.

In the figure, 1, a main through pipe; 2. a catheter connection tube; 201. a connecting port; 3. a heparin cap; 4. a hemodialysis connection tube; 401. a branch pipe; 5. rotating the bolt; 501. a rotating shaft; 502. a gasket; 6. a butterfly valve; 601. a seal ring; 7. and (4) switching on and off the valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides the following technical solutions: central vein indwelling catheter connector, including main siphunculus 1, main siphunculus 1 all communicates at both ends about has pipe connection pipe 2, the equal fixedly connected with connector 201 of up end of two pipe connection pipe 2, the lower extreme intercommunication of main siphunculus 1 outer wall has blood to pass through connecting pipe 4, main siphunculus 1's front side is provided with two rotatory bolts 5, two rotatory bolts 5 are located blood respectively and pass through the both sides about connecting pipe 4, the equal fixedly connected with pivot 501 of rear side of two rotatory bolts 5, main siphunculus 1 is all run through and extends to main siphunculus 1's inside to the rear end of two pivot 501, the rear end fixedly connected with butterfly valve 6 of pivot 501, main siphunculus 1 and blood pass through the junction of connecting pipe 4 and install ooff valve 7, ooff valve 7 is.

In this embodiment: keep somewhere pipe connection with two connectors 201 and central vein, again with hemodialysis connecting pipe 4 and hemodialysis machine pipe connection, can dialyse patient's blood after starting the hemodialysis machine, keep somewhere the pipe connection head through increasing central vein between vascular route and hemodialysis pipeline, when blood flow is not good in an end, rotate this end rotation bolt 5, and then butterfly valve 6 rotates and blocks up this end main siphunculus, thereby adjust this end blood flow under the condition that need not stop the hemodialysis machine blood pump, the condition that reduces blood exposure and blood coagulation in the peripheral pipeline takes place.

As a technical optimization scheme of the utility model, the equal fixedly connected with sealing washer 601 in two butterfly valves 6's outer lane, the outer wall of two sealing washers 601 and main siphunculus 1's inner wall swing joint.

In this embodiment: the rotation bolt 5 is rotated to drive the rotating shaft 501 and the butterfly valve 6 to rotate, when the butterfly valve 6 rotates ninety degrees, one end of the main through pipe 1 can be blocked, when the main through pipe 1 is blocked, the sealing ring 601 at the outer side of the butterfly valve 6 is tightly attached to the inner wall of the main through pipe 1, and then the sealing performance of the butterfly valve 6 is enhanced.

As a technical optimization scheme of the utility model, two pivots 501 and the equal joint in junction of main siphunculus 1 have sealed pad 502.

In this embodiment: all the joints of the rotating shaft 501 and the main pipe 1 are clamped with sealing gaskets 502, so that the possibility of liquid leakage in the main pipe 1 can be reduced under the condition that the rotation of the rotating shaft 501 is not influenced.

As a technical optimization scheme of the utility model, heparin cap 3 is all installed to the lower extreme of two pipe connecting pipe 2.

In this embodiment: when the medicine needs to be injected into the indwelling catheter of the patient, the butterfly valve 6 at the end is closed, then the heparin cap 3 at the closest distance is opened, and then the medicine is injected into the catheter connecting pipe 2 and is delivered into the body of the patient.

As a technical optimization scheme of the utility model, two bleeder 401 of lower extreme fixedly connected with of connecting pipe 4 are passed through to blood.

In this embodiment: the hemodialysis machine is provided with artery blood pipe and vein blood pipe, is connected with two bleeder 401 of connector respectively through with two pipes, can reach the effect that conveniently connects hemodialysis connecting pipe 4 and dialysis machine pipe.

The utility model discloses a theory of operation and use flow: keep somewhere pipe connection with two connectors 201 and central vein, again with two bleeder pipes 401 respectively with hemodialysis motor-driven vein blood pipe and vein blood pipe connection, can dialyse patient's blood after starting the hemodialysis machine, keep somewhere the pipe connection head through increasing central vein between vascular route and hemodialysis pipeline, when blood flow is not good in an end, close this end rotary bolt 5, and then butterfly valve 6 rotates and blocks up this end main siphunculus, open 6 nearest distance's of butterfly valve heparin cap 3, and then inject into pipe connection 2 and input patient with the medicament internal.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Central vein indwelling catheter connector, including main siphunculus (1), its characterized in that: the left end and the right end of the main through pipe (1) are both communicated with a pipe connecting pipe (2), the upper end surfaces of the two pipe connecting pipes (2) are both fixedly connected with a connecting port (201), the lower end of the outer wall of the main through pipe (1) is communicated with a blood through connecting pipe (4), the front side of the main through pipe (1) is provided with two rotating bolts (5), the two rotating bolts (5) are respectively positioned at the left side and the right side of the blood through connecting pipe (4), the rear sides of the two rotating bolts (5) are fixedly connected with rotating shafts (501), the rear ends of the two rotating shafts (501) penetrate through the main through pipe (1) and extend to the inside of the main through pipe (1), the rear end fixedly connected with butterfly valve (6) of pivot (501), ooff valve (7) are installed to main siphunculus (1) and the junction that the blood passed through connecting pipe (4), ooff valve (7) are located between two butterfly valves (6).

2. A central venous indwelling catheter connector according to claim 1, wherein: the outer ring of the two butterfly valves (6) is fixedly connected with a sealing ring (601), and the outer wall of the sealing ring (601) is movably connected with the inner wall of the main through pipe (1).

3. A central venous indwelling catheter connector according to claim 1, wherein: two the pivot (501) all is blocked and is sealed the pad (502) with the junction of main siphunculus (1).

4. A central venous indwelling catheter connector according to claim 1, wherein: and heparin caps (3) are mounted at the lower ends of the two catheter connecting pipes (2).

5. A central venous indwelling catheter connector according to claim 1, wherein: the lower end of the hemodialysis connecting pipe (4) is fixedly connected with two branch pipes (401).