CN219251146U

CN219251146U - Fluid infusion pipe with adjustable flow

Info

Publication number: CN219251146U
Application number: CN202222750248.2U
Authority: CN
Inventors: 张丽金; 钱金府; 张丽丽; 冯小青
Original assignee: Fuzhou Chang Gung Biological Technology Co ltd
Current assignee: Fuzhou Chang Gung Biological Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-06-27
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a fluid infusion tube with adjustable flow, which comprises a first connector, a first fluid infusion tube body and a second fluid infusion tube body, wherein a protective structure is arranged on the outer side of the first connector, a replacement structure is arranged at the top end of the first connector, the first fluid infusion tube body is fixed at the top end of the replacement structure, an adjusting structure is arranged at the top end of the first fluid infusion tube body, and the second fluid infusion tube body is arranged at the top end of the adjusting structure. According to the utility model, the connecting screw is driven to move back and forth along the inner wall of the extension block through threaded engagement by rotating the rotating wheel, and the baffle is driven to move back and forth in the connecting pipe through the connecting screw to adjust the distance between the baffle and the inner wall of the left side of the connecting pipe, so that the effect of adjusting the liquid supplementing flow conveyed by the second liquid supplementing pipe body is achieved, the flow adjusting function of the device is realized, the flexibility of the device is improved, the flow can be conveniently and rapidly adjusted according to the needs of patients, and the effect of conveying the liquid supplementing is ensured.

Description

Fluid infusion pipe with adjustable flow

Technical Field

The utility model relates to the technical field of fluid infusion tubes, in particular to a fluid infusion tube with adjustable flow.

Background

The arterial puncture connection fluid infusion tube is an important method for quickly establishing an effective blood circulation channel, the device is one of very important components in the dialysis process, can satisfactorily solve the problem of insufficient blood flow of a dialysis patient, ensures the smooth progress of the dialysis process, has easily obtained materials, is simple and convenient to operate, and can be popularized and applied to patients with poor blood flow needing dialysis;

however, when the fluid infusion tube is connected for use, due to different physical conditions of a patient, in the process of delivering the fluid infusion to the patient, the patient often needs to have the adverse problems of heart load increase, palpitation, chest distress, short breath, discomfort in a precordial region and the like caused by the excessively fast infusion flow, so that a certain potential safety hazard of the device can occur, and the application range of the device is reduced;

there is therefore a need for a fluid replacement tube with an adjustable flow rate to solve the above problems.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a fluid infusion tube with adjustable flow, so as to solve the problem that the flow is inconvenient to adjust in the background technology.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a fluid infusion pipe with adjustable flow, includes first joint, first fluid infusion pipe body and second fluid infusion pipe body, the outside of first joint is provided with protective structure, the top of first joint is provided with the change structure, and the top of change structure is fixed with first fluid infusion pipe body, the top of first fluid infusion pipe body is provided with adjusting structure, and adjusting structure's top is provided with second fluid infusion pipe body, the top of second fluid infusion pipe body is provided with the second joint, adjusting structure includes connecting pipe, baffle, knuckle, connecting screw, runner and extension piece, the bottom at second fluid infusion pipe body is fixed to the connecting pipe, one side of connecting pipe is fixed with the extension piece, and the inside of extension piece is inserted and is equipped with connecting screw, one side of connecting screw is fixed with the runner, the knuckle is installed to the opposite side of connecting screw, and one side of knuckle is fixed with the baffle, drive connecting screw through rotating the runner and pass through screw engagement pulling baffle and adjust the flow of the fluid infusion that the second fluid infusion pipe body carried at the inside back-and-forth movement of connecting pipe, when needs increase flow, drive the baffle through connecting screw and remove to the inside of extension piece to increase the flowable scope of fluid infusion, reach the effect that improves flow, otherwise, promote the baffle through connecting screw and be close to the inner wall of connecting pipe left side gradually and reduce the flow until the baffle pastes the inner wall of tight connecting pipe left side and close the transportation of fluid infusion.

Preferably, the protection structure comprises a rubber sleeve layer, a bottom plate layer and anti-slip particles, wherein the bottom plate layer is sleeved on the outer sides of the first connector and the second connector, the rubber sleeve layer is arranged on the outer side of the bottom plate layer, and the anti-slip particles are arranged on the inner wall of the bottom plate layer. Through taking two sets of rubber sleeve layers to overlap respectively at the surface that first joint and second connect dustproof, prevent that first joint or second from connecting to expose and breeding the bacterium, support the design through the bottom plate layer to rubber sleeve layer, multiunit antiskid granule increases the frictional force of bottom plate layer and first joint or second joint contact simultaneously, prevents that two sets of rubber sleeve layers from droing.

Preferably, the anti-slip particles are arranged on the inner wall of the bottom plate layer in a plurality of groups, and the anti-slip particles in the plurality of groups are distributed on the inner wall of the bottom plate layer at equal intervals. The friction force of the inner wall of the bottom plate layer is increased by the aid of the plurality of groups of evenly distributed anti-slip particles, the bottom plate layer is convenient to drive the rubber sleeve layer to be respectively and firmly sleeved on the surfaces of the first connector and the second connector, sliding falling is prevented, and the first connector or the second connector is prevented from being exposed to enter dust.

Preferably, the replacement structure comprises a fixed pipe, a sleeve and a sealing ring, wherein the fixed pipe is fixed at the bottom end of the second joint, the sleeve is inserted into the fixed pipe, and the sealing ring is fixed on the outer side of the sleeve. The fixed pipe is rotated to move along the surface of the sleeve through threaded engagement until the fixed pipe is separated from the surface of the sleeve, then a new first joint or a new second joint is taken to drive the integrated fixed pipe to be aligned and sleeved on the surface of the sleeve, and then the fixed pipe is reversely rotated to be screwed through threaded engagement, so that the fixed pipe is fixedly connected with the sleeve, and meanwhile, the sealing ring is extruded by the outer wall of the fixed pipe to deform and fill a gap of a joint to strengthen the effect of connection.

Preferably, the sleeve is provided with two groups, so that the sleeve is conveniently connected and fixed with the two groups of fixed pipes respectively, and the diameter of the sleeve is smaller than the inner diameter of the fixed pipes. The sleeve shell is aligned and inserted into the fixed tube, so that the fixed tube can be conveniently rotated to be quickly connected with or separated from the sleeve through threaded engagement.

Preferably, the outer wall of the connecting screw is provided with external threads, the inner wall of the extension block is provided with internal threads, and the connecting screw and the extension block form a rotating structure through the engagement of the internal threads and the external threads. The rotating wheel rotates the connecting screw rod to move back and forth along the inner wall of the extension block through threaded engagement, so that the baffle is driven to move to adjust the flow.

Preferably, the connecting pipe and the extension block are positioned on the same horizontal line, so that the baffle plate can move back and forth along with the rotation of the connecting screw rod to adjust the position, and the length of the baffle plate is greater than that of the connecting pipe. The baffle can timely block the supplementary liquid conveyed by the second liquid supplementing pipe body, and the damage to hemodialysis patients caused by continuous conveying of the supplementary liquid is prevented.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that: this fluid infusion pipe with adjustable flow is rational in infrastructure, has following advantage:

(1) The connecting screw is driven by the rotating wheel to move back and forth along the inner wall of the extension block through threaded engagement, the baffle is driven by the connecting screw to move back and forth in the connecting pipe to adjust the distance between the baffle and the inner wall of the left side of the connecting pipe, so that the effect of adjusting the liquid supplementing flow rate conveyed by the second liquid supplementing pipe body is achieved, the flow rate adjusting function of the device is realized, the flexibility of the device is improved, the flow rate can be conveniently and rapidly adjusted according to the needs of patients, and the effect of conveying liquid supplementing is ensured;

(2) The two groups of rubber sleeve layers are taken to be respectively sleeved on the surfaces of the first joint and the second joint for carrying out dust prevention or bacterial breeding, the rubber sleeve layers are supported and shaped through the bottom plate layer, and meanwhile, the plurality of groups of anti-slip particles increase the friction force between the bottom plate layer and the first joint or the second joint to prevent the two groups of rubber sleeve layers from falling off, so that the reinforced protection function of the device is realized, the safety of the device is improved, bacterial pollution and fluid replacement are prevented, and secondary injury is caused to patients;

(3) The fixed pipe is separated from the surface of the sleeve through rotation, then the new fixed pipe sleeve is taken to be screwed up through reverse rotation of the surface of the sleeve, so that the new fixed pipe integrated with the first joint or the second joint is fixedly connected with the sleeve, and meanwhile, the sealing ring is subjected to the effect of extrusion deformation reinforcing connection of the outer wall of the fixed pipe, thereby realizing the quick replacement function of the device, improving the utilization rate of the device and reducing the replacement difficulty.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of a protective structure according to the present utility model;

FIG. 4 is a schematic cross-sectional elevation view of a replacement structure according to the present utility model;

fig. 5 is an enlarged partial sectional view of fig. 1 according to the present utility model.

Reference numerals in the drawings illustrate: 1. a first joint; 2. a protective structure; 201. a rubber sleeve layer; 202. a bottom plate layer; 203. anti-slip particles; 3. replacing the structure; 301. a fixed tube; 302. a sleeve; 303. a seal ring; 4. the first fluid replacement pipe body; 5. an adjustment structure; 501. a connecting pipe; 502. a baffle; 503. a knuckle; 504. a connecting screw; 505. a rotating wheel; 506. an extension block; 6. the second fluid infusion tube body; 7. and a second joint.

Detailed Description

For the purpose of making 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 in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-5, the fluid replacement pipe with adjustable flow provided by the utility model comprises a first joint 1, a first fluid replacement pipe body 4 and a second fluid replacement pipe body 6, wherein a protection structure 2 is arranged on the outer side of the first joint 1, a replacement structure 3 is arranged on the top end of the first joint 1, the first fluid replacement pipe body 4 is fixed on the top end of the replacement structure 3, an adjusting structure 5 is arranged on the top end of the first fluid replacement pipe body 4, a second fluid replacement pipe body 6 is arranged on the top end of the adjusting structure 5, a second joint 7 is arranged on the top end of the second fluid replacement pipe body 6, the adjusting structure 5 comprises a connecting pipe 501, a baffle 502, a knuckle 503, a connecting screw 504, a rotating wheel 505 and an extension block 506, the connecting pipe 501 is fixed on the bottom end of the second fluid replacement pipe body 6, one side of the connecting pipe 501 is fixedly provided with the connecting screw 504, the other side of the connecting screw 504 is fixedly provided with the baffle 502, the outer wall of the connecting screw 504 is fixedly provided with the extending block 505, the length of the connecting screw is equal to the connecting screw 501, and the length of the connecting pipe is equal to the length of the connecting pipe 501 in a threaded mode, and the connecting pipe is meshed with the inner wall of the connecting pipe 501.

The working principle of the fluid infusion tube with adjustable flow based on the first embodiment is as follows: the device is placed at a designated position, the puncture device is connected with the fluid infusion device through the first joint 1 and the second joint 7 respectively, so that the fluid infusion is convenient to be carried by a patient needing dialysis with poor blood flow, the rotating wheel 505 is rotated to drive the connecting screw 504 to rotate to move back and forth along the inner wall of the extension block 506 through threaded engagement, meanwhile, the knuckle 503 enables the baffle 502 to keep linear motion along with the rotation of the connecting screw 504, the baffle 502 is driven by the connecting screw 504 to move back and forth in the connecting pipe 501 to regulate the flow of the fluid infusion carried by the second fluid infusion pipe body 6, when the flow is required to be increased, the baffle 502 is driven by the connecting screw 504 to move towards the inside of the extension block 506, the flowable range of the fluid infusion is increased, the effect of improving the flow is achieved, and conversely, the baffle 502 is pushed by the connecting screw 504 to gradually approach the inner wall on the left side of the connecting pipe 501 until the baffle 502 is tightly attached to the inner wall on the left side of the connecting pipe 501 to close the delivery of the fluid infusion.

Example two

The embodiment comprises the following steps: the protective structure 2 comprises a rubber sleeve layer 201, a bottom plate layer 202 and anti-slip particles 203, wherein the bottom plate layer 202 is sleeved on the outer sides of the first connector 1 and the second connector 7, the rubber sleeve layer 201 is arranged on the outer side of the bottom plate layer 202, the anti-slip particles 203 are arranged on the inner wall of the bottom plate layer 202, a plurality of groups of anti-slip particles 203 are arranged on the inner wall of the bottom plate layer 202, and the anti-slip particles 203 of the groups are distributed on the inner wall of the bottom plate layer 202 at equal intervals.

In this embodiment, through taking two sets of rubber sleeve layer 201 to overlap respectively at the surface that connects 1 and second connects 7 to play and connect 1 and second and connect 7 dustproof effect, prevent that first joint 1 or second from connecting 7 from exposing and breeding the bacterium, influence the use, support the design through bottom plate layer 202 to rubber sleeve layer 201, multiunit antiskid particle 203 increases the frictional force that bottom plate layer 202 contacted with first joint 1 or second joint 7 simultaneously, prevents that two sets of rubber sleeve layer 201 from droing.

Example III

The embodiment comprises the following steps: the replacement structure 3 comprises a fixed pipe 301, a sleeve 302 and a sealing ring 303, wherein the fixed pipe 301 is fixed at the bottom end of the second joint 7, the sleeve 302 is inserted into the fixed pipe 301, the sealing ring 303 is fixed on the outer side of the sleeve 302, the sleeve 302 is provided with two groups, and the diameter of the sleeve 302 is smaller than the inner diameter of the fixed pipe 301.

In this embodiment, when the first joint 1 or the second joint 7 needs to be replaced, the fixing tube 301 is rotated to be engaged with threads, move along the surface of the sleeve 302 until the fixing tube is separated from the surface of the sleeve 302, then the new first joint 1 or the new second joint 7 is taken to drive the integrated fixing tube 301 to be aligned and sleeved on the surface of the sleeve 302, then the fixing tube 301 is reversely rotated to be gradually close to the sealing ring 303 to be screwed through the threaded engagement, so that the fixing tube 301 is fixedly connected with the sleeve 302, and meanwhile, the sealing ring 303 is extruded by the outer wall of the fixing tube 301 to deform and fill gaps at the connecting part, so that the fixing tube 301 is prevented from falling off.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a fluid replacement pipe with adjustable flow, includes first joint (1), first fluid replacement pipe body (4) and second fluid replacement pipe body (6), its characterized in that: the outer side of the first connector (1) is provided with a protection structure (2), the top end of the first connector (1) is provided with a replacement structure (3), and the top end of the replacement structure (3) is fixed with a first fluid infusion tube body (4);

an adjusting structure (5) is arranged at the top end of the first fluid infusion tube body (4), and a second fluid infusion tube body (6) is arranged at the top end of the adjusting structure (5);

the top of second fluid infusion pipe body (6) is provided with second joint (7), adjusting structure (5) are including connecting pipe (501), baffle (502), knuckle (503), connecting screw (504), runner (505) and extension piece (506), the bottom at second fluid infusion pipe body (6) is fixed to connecting pipe (501), one side of connecting pipe (501) is fixed with extension piece (506), and the inside of extension piece (506) is inserted and is equipped with connecting screw (504), one side of connecting screw (504) is fixed with runner (505), knuckle (503) is installed to the opposite side of connecting screw (504), and one side of knuckle (503) is fixed with baffle (502).

2. A fluid replacement tube with adjustable flow as claimed in claim 1, wherein: the protection structure (2) comprises a rubber sleeve layer (201), a bottom plate layer (202) and anti-slip particles (203), wherein the bottom plate layer (202) is sleeved outside the first connector (1) and the second connector (7), the rubber sleeve layer (201) is arranged outside the bottom plate layer (202), and the anti-slip particles (203) are arranged on the inner wall of the bottom plate layer (202).

3. A fluid replacement tube with adjustable flow as claimed in claim 2, wherein: the anti-slip particles (203) are arranged on the inner wall of the bottom plate layer (202), and the anti-slip particles (203) are distributed on the inner wall of the bottom plate layer (202) at equal intervals.

4. A fluid replacement tube with adjustable flow as claimed in claim 1, wherein: the replacement structure (3) comprises a fixed pipe (301), a sleeve (302) and a sealing ring (303), wherein the fixed pipe (301) is fixed at the bottom end of the second joint (7), the sleeve (302) is inserted into the fixed pipe (301), and the sealing ring (303) is fixed on the outer side of the sleeve (302).

5. The flow-adjustable fluid replacement tube of claim 4, wherein: the sleeve (302) is provided with two groups, and the diameter of the sleeve (302) is smaller than the inner diameter of the fixed pipe (301).

6. A fluid replacement tube with adjustable flow as claimed in claim 1, wherein: external threads are formed on the outer wall of the connecting screw rod (504), internal threads are formed on the inner wall of the extension block (506), and the connecting screw rod (504) and the extension block (506) form a rotating structure through engagement of the internal threads and the external threads.

7. A fluid replacement tube with adjustable flow as claimed in claim 1, wherein: the connecting pipe (501) and the extension block (506) are positioned on the same horizontal line, and the length of the baffle (502) is larger than that of the connecting pipe (501).