CN215690610U

CN215690610U - Automatic stop type safety infusion apparatus capable of preventing blood return

Info

Publication number: CN215690610U
Application number: CN202122292569.8U
Authority: CN
Inventors: 宣亚飞; 王明辉
Original assignee: Anhui Xuanhe Medical Technology Co ltd
Current assignee: Anhui Xuanhe Medical Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-01
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses an automatic stop type safe infusion apparatus capable of preventing blood return, which comprises a drip cup, wherein an infusion hose is communicated with a top fixed phase of the drip cup, a bottle stopper puncture outfit is arranged at the top of the infusion hose, a check tube is communicated with a bottom fixed phase of the drip cup, an upper connecting tube is communicated with a bottom fixed phase of the check tube, a lower connecting tube is arranged right below the upper connecting tube, an injection needle is arranged at one end of the lower connecting tube, a sandwich cavity is arranged inside the drip cup, a plurality of groups of liquid guide holes are arranged at the inner bottom of the sandwich cavity, a limiting groove is arranged at the bottom of the sandwich cavity, and a check plug is arranged inside the drip cup. Through the design, under the effects of the interlayer cavity, the liquid guide hole, the limiting groove, the non-return plug and the non-return pipe, the problem that air can enter the infusion apparatus due to negligence or when liquid such as new liquid medicine cannot be replaced is avoided when the infusion apparatus is used, and further the unexpected blood return phenomenon is avoided.

Description

Automatic stop type safety infusion apparatus capable of preventing blood return

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to an automatic stop type safety infusion apparatus capable of preventing blood return.

Background

An infusion apparatus is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic treatment for intravenous infusion. Generally, the infusion apparatus is formed by connecting parts such as a vein needle or an injection needle, an infusion hose, a drip cup, a bottle stopper puncture outfit and the like, and a part of the infusion apparatus also comprises an injection part, a medicine adding port and the like.

At present, when a medical disposable infusion apparatus for infusion liquid is used for infusion, blood can flow backwards if liquid medicine is infused completely, and the phenomenon of blood backflow often occurs if a bottle is not replaced in time. Especially when the liquid such as the liquid medicine is carelessly replaced or the liquid medicine is not replaced, air enters the transfusion device, and unexpected blood returning phenomenon is caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a blood return prevention automatic stop type safety infusion apparatus, which solves the problem that when the existing infusion apparatus is used, air can enter the infusion apparatus due to negligence or when liquid such as liquid medicine cannot be replaced, and the unexpected blood return phenomenon can be caused.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a prevent automatic stop formula safety transfusion system of blood return, includes the kettle that drips, the top stationary phase of kettle leads to there is the infusion hose, the top of infusion hose is equipped with bottle plug puncture ware, the bottom stationary phase of kettle that drips leads to there is the non-return pipe, the bottom stationary phase of non-return pipe leads to there is the upper portion connecting pipe, be equipped with the lower part connecting pipe under the upper portion connecting pipe, the one end of lower part connecting pipe is equipped with the syringe needle, the inside of kettle that drips sets up the sandwich chamber, multiunit drain hole has been seted up to the interior bottom in sandwich chamber, the bottom in sandwich chamber is equipped with the spacing groove, the inside of kettle that drips is equipped with the non-return stopper.

According to a preferable technical scheme of the utility model, the outer surfaces of the upper connecting pipe and the lower connecting pipe are respectively provided with a threaded ring, the outer surface of the threaded ring is in threaded connection with a threaded sleeve, a fixing ring is fixedly arranged inside the upper connecting pipe, the top of the lower connecting pipe is provided with a filter plate, the filter plate is arranged right below the fixing ring, and the upper connecting pipe and the lower connecting pipe are in clamping connection.

As a preferable technical scheme of the utility model, the check pipe is arranged in a round funnel mode, and a small opening of the check pipe is arranged downwards.

As a preferred technical scheme of the utility model, the check plug is a hollow ball, and is made of medical materials.

As a preferable technical scheme of the utility model, a medical sealing gasket is arranged on the contact surface of the bottom of the upper connecting pipe and the top of the lower connecting pipe.

As a preferred technical scheme of the utility model, a plurality of filter membrane holes are arranged inside the filter plate, and the diameter of the filter membrane holes is less than five microns.

As a preferable technical scheme of the utility model, the outer surface of the middle part of the upper connecting pipe is provided with a baffle ring which is arranged in a circular ring shape.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. through the design, under the effects of the interlayer cavity, the liquid guide hole, the limiting groove, the non-return plug and the non-return pipe, the problem that air can enter the infusion apparatus due to negligence or when liquid such as new liquid medicine is not replaced is avoided when the infusion apparatus is used, and further the unexpected blood return phenomenon is avoided;

2. through this design, under the effect of upper portion connecting pipe, fender ring, thread bush, lower part connecting pipe, solid fixed ring, filter, fillet to be greater than capillary's particle in the effective filtering liquid medicine, purify the liquid medicine, and this design, be convenient for install the filter fast, carry out quick fixed connection to upper portion connecting pipe and lower part connecting pipe simultaneously.

Drawings

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

FIG. 2 is a schematic view of the partial cross-sectional front view structure of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic perspective view of an upper connection pipe according to the present invention;

fig. 4 is a schematic perspective view of a lower connection pipe according to the present invention.

Wherein: 1. a drip cup; 2. a flexible infusion tube; 3. a bottle stopper puncture outfit; 4. an interlayer cavity; 5. a drain hole; 6. a limiting groove; 7. a non-return plug; 8. a non-return pipe; 9. an upper connecting pipe; 10. a baffle ring; 11. a threaded sleeve; 12. a lower connecting pipe; 13. a fixing ring; 14. a filter plate; 15. a thread ring; 16. an injection needle.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, an automatic stop type safety infusion apparatus for preventing blood return comprises a drip cup 1, wherein an infusion hose 2 is communicated with a top fixed phase of the drip cup 1, a bottle stopper puncture outfit 3 is arranged at the top of the infusion hose 2, a check tube 8 is communicated with a bottom fixed phase of the drip cup 1, an upper connecting tube 9 is communicated with a bottom fixed phase of the check tube 8, a lower connecting tube 12 is arranged right below the upper connecting tube 9, an injection needle 16 is arranged at one end of the lower connecting tube 12, an interlayer cavity 4 is arranged in the drip cup 1, a plurality of groups of liquid guide holes 5 are arranged at the inner bottom of the interlayer cavity 4, a limiting groove 6 is arranged at the bottom of the interlayer cavity 4, and a check plug 7 is arranged in the drip cup 1; when using the transfusion system, when the inside liquid of the drip cup 1 is half-time, make the liquid medicine promote the non return stopper 7 to make it float, and under the effect of spacing groove 6, thereby it is spacing to the non return stopper 7, from the position skew of avoiding the non return stopper 7, and the liquid medicine flows into the interlayer of drip cup 1 and interlayer cavity 4 through drip cup 1 and infusion hose 2, carry out the water conservancy diversion by drain hole 5, thereby with the interior bottom of the leading-in drip cup 1 of liquid, when the liquid medicine of drip cup 1 inside does not cut off the time, make the non return stopper 7 move down, move and laminate with non return pipe 8 when the non return stopper 7 moves, thereby realized the sealed of non return stopper 7 with non return pipe 8, avoided the inside liquid downward flow, thereby realized the self-stop formula of transfusion system, and then avoided the unexpected blood return phenomenon to take place.

In other embodiments, the outer surfaces of the upper connecting pipe 9 and the lower connecting pipe 12 are both provided with a thread ring 15, the outer surface of the thread ring 15 is in threaded connection with a thread sleeve 11, a fixing ring 13 is fixedly arranged inside the upper connecting pipe 9, the top of the lower connecting pipe 12 is provided with a filter plate 14, the filter plate 14 is arranged right below the fixing ring 13, and the upper connecting pipe 9 and the lower connecting pipe 12 are in clamping connection; when being connected upper portion connecting pipe 9 and lower part connecting pipe 12, earlier filter 14 at the top of lower part connecting pipe 12, again carry out the block with lower part connecting pipe 12 and upper portion connecting pipe 9, after upper portion connecting pipe 9 and lower part connecting pipe 12 carry out the closure, through rotating thread bush 11, make thread bush 11 carry out threaded connection with the thread circle 15 of upper portion connecting pipe 9 and lower part connecting pipe 12 surface, thereby carry out fixed connection to upper portion connecting pipe 9 and lower part connecting pipe 12, through this design, under filter 14's effect, so that filter the liquid medicine, and realize the quick fixed connection of upper portion connecting pipe 9 and lower part connecting pipe 12.

In other embodiments, check tube 8 is a circular funnel, and the small opening of check tube 8 is disposed downward; so that when the check plug 7 is clamped with the check pipe 8, the air pressure in the infusion pipe is sealed, and the problem of blood backflow is avoided.

In other embodiments, the check plug 7 is a hollow ball, and the check plug 7 is made of medical material; by means of a hollow arrangement, the non-return plug 7 is floated by the liquid in the drip cup 1.

In other embodiments, the contact surface between the bottom of the upper connecting pipe 9 and the top of the lower connecting pipe 12 is provided with a medical sealing gasket; the medical sealing washer is arranged to improve the sealing effect of the upper connecting pipe 9 and the lower connecting pipe 12.

In other embodiments, the filter plate 14 has a plurality of filter membrane pores therein, and the diameter of the filter membrane pores is less than five micrometers; effectively filter out particles larger than capillary vessels in the liquid medicine and purify the liquid medicine.

In other embodiments, the outer surface of the middle part of the upper connecting pipe 9 is provided with a baffle ring 10, and the baffle ring 10 is arranged in a circular ring shape; by arranging the baffle ring 10 to block the thread bush 11, the problem of position deviation when the thread bush 11 fixes the lower connecting pipe 12 and the upper connecting pipe 9 is avoided.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent automatic stop formula safety transfusion system of blood return, includes drip cup (1), its characterized in that: the top stationary phase of kettle drip (1) leads to there is infusion hose (2), the top of infusion hose (2) is equipped with bottle plug puncture ware (3), the bottom stationary phase of kettle drip (1) leads to there is non-return pipe (8), the bottom stationary phase of non-return pipe (8) leads to there is upper portion connecting pipe (9), be equipped with lower part connecting pipe (12) under upper portion connecting pipe (9), the one end of lower part connecting pipe (12) is equipped with syringe needle (16), the inside of kettle drip (1) sets up sandwich chamber (4), multiunit drain hole (5) have been seted up to the interior bottom in sandwich chamber (4), the bottom in sandwich chamber (4) is equipped with spacing groove (6), the inside of kettle drip (1) is equipped with non-return stopper (7).

2. The automatic stop type safety infusion set capable of preventing blood return according to claim 1, characterized in that: the surface of upper portion connecting pipe (9) and lower part connecting pipe (12) all is equipped with fillet of screw (15), the surface threaded connection of fillet of screw (15) has thread bush (11), the inside of upper portion connecting pipe (9) is fixed and is equipped with solid fixed ring (13), the top of lower part connecting pipe (12) is equipped with filter (14), and filter (14) set up under solid fixed ring (13), upper portion connecting pipe (9) are connected for the block with lower part connecting pipe (12).

3. The automatic stop type safety infusion set capable of preventing blood return according to claim 1, characterized in that: the non-return pipe (8) is arranged as a round funnel, and a small opening of the non-return pipe (8) is arranged downwards.

4. The automatic stop type safety infusion set capable of preventing blood return according to claim 1, characterized in that: the non-return plug (7) is arranged as a hollow ball, and the non-return plug (7) is made of medical materials.

5. The automatic stop type safety infusion set capable of preventing blood return according to claim 2, characterized in that: and a medical sealing gasket is arranged on the contact surface of the bottom of the upper connecting pipe (9) and the top of the lower connecting pipe (12).

6. The automatic stop type safety infusion set capable of preventing blood return according to claim 2, characterized in that: the inside of filter (14) is equipped with a plurality of filter membrane hole, and filter membrane hole diameter is less than five microns.

7. The automatic stop type safety infusion set capable of preventing blood return according to claim 2, characterized in that: and a baffle ring (10) is arranged on the outer surface of the middle part of the upper connecting pipe (9), and the baffle ring (10) is arranged in a circular ring shape.