CN219290321U

CN219290321U - Safety intravenous infusion apparatus

Info

Publication number: CN219290321U
Application number: CN202320605486.6U
Authority: CN
Inventors: 闫雯雯; 沙影丽
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-07-04
Anticipated expiration: 2033-03-24

Abstract

The utility model relates to the technical field of medical appliances, in particular to a safe intravenous infusion set. The infusion tube comprises an infusion tube, wherein the top of the infusion tube is fixedly communicated with a chassis, and the top of the chassis is fixedly communicated with a puncture needle; the outer wall of the chassis is movably communicated with a bracket, the bottom of the chassis is fixedly connected with a pushing assembly, the pushing assembly is used for driving the chassis to move up and down in the bracket, and elastic pieces are symmetrically and fixedly connected to the outer wall of the bracket close to the top; the end part of the elastic piece is fixedly connected with a telescopic component, and a fixed component is movably communicated between the two telescopic components near the top part. According to the utility model, the telescopic assembly is driven to be clamped on the infusion bottle through the elastic piece, the telescopic assembly is fixed on the infusion bottle through the fixing assembly, the length of the telescopic assembly is adjusted according to different infusion bottle lengths, the support is positioned right below the infusion bottle, the chassis is driven to move in the support through the adjusting pushing assembly, and therefore the puncture needle is pushed into the infusion bottle.

Description

Safety intravenous infusion apparatus

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a safe intravenous infusion set.

Background

The intravenous infusion apparatus is a common medical consumable, and a channel between a vein and liquid medicine is established for intravenous infusion through aseptic processing. It is generally formed from eight portions of intravenous needle or injection needle, needle head protecting cap, transfusion tube, medicine liquor filter, flow rate regulator, drip cup, bottle stopper puncture outfit and air filter which are connected together, and the portion of transfusion system also has injection piece and medicine-adding mouth.

For intravenous infusion sets, there are many prior art techniques, such as:

chinese patent publication No. CN207445282U discloses an intravenous infusion set. The intravenous infusion apparatus comprises a drip cup, an injection needle, a bottle stopper puncture outfit, a flow rate regulator and a flow rate protection device, wherein the flow rate regulator is arranged on an infusion hose between the drip cup and the injection needle; the inner side of the second elastic sheet is provided with a multi-stage clamping mechanism, the opening end of the first elastic sheet can be clamped with the clamping mechanism, and the first elastic sheet and the second elastic sheet are respectively provided with a through hole. The intravenous infusion apparatus has reasonable structure, convenient use, high control fineness and stable liquid flow, provides guarantee for the health of patients and improves the working efficiency of medical staff.

When the intravenous infusion apparatus swings along with the swinging of the arm of a patient, the force which is pulled between the intravenous infusion apparatus and the infusion bottle is easy to cause the puncture needle to drop out of the infusion bottle under the action of the force, so that air enters the blood vessel of the patient from the puncture needle to influence the body of the patient, and the intravenous infusion apparatus is inconvenient to fix the position between the intravenous infusion apparatus and the infusion bottle.

In view of this, the present utility model provides a safety type intravenous infusion set.

Disclosure of Invention

The utility model aims to solve the defects and provide an intravenous infusion set capable of preventing a puncture needle from falling out of an infusion bottle.

The elastic piece is used for driving the telescopic assembly to be clamped on the infusion bottle, the telescopic assembly is fixed on the infusion bottle through the fixing assembly, the chassis is driven to move inside the support through the adjusting pushing assembly, meanwhile, the length of the telescopic assembly is adjusted according to the length of different infusion bottles, the support is located under the infusion bottle, and the puncture needle is conveniently pushed into the infusion bottle.

The utility model provides a safe intravenous infusion set, which comprises an infusion tube, wherein the top of the infusion tube is fixedly communicated with a chassis, and the top of the chassis is fixedly communicated with a puncture needle;

the outer wall of the chassis is movably communicated with a bracket, the bottom of the chassis is fixedly connected with a pushing assembly, the pushing assembly is used for driving the chassis to move up and down in the bracket, and elastic pieces are symmetrically and fixedly connected to the outer wall of the bracket close to the top;

the end part of the elastic piece is fixedly connected with a telescopic component, and a fixed component is movably communicated between the two telescopic components near the top part.

As a further improvement of the technical scheme, the pushing assembly comprises a plurality of pushing rods, the pushing rods are fixedly connected to the bottom of the chassis, the pushing plates are fixedly connected to the bottoms of the pushing rods, the infusion tube is movably communicated inside the pushing plates, sliding rods are symmetrically and fixedly connected to two sides of the chassis, and the sliding rods are movably communicated inside the support.

As a further improvement of the technical scheme, a first nut is movably communicated with the position of the sliding rod penetrating out of the outer wall of the support, and the first nut is used for fixing the position of the sliding rod on the support.

As a further improvement of the technical scheme, the telescopic component comprises a thin rod, the part of the thin rod close to the bottom is fixedly connected with the end part of the elastic piece, the outer wall of the thin rod is movably communicated with a thick rod, and the part of the thin rod close to the top is movably communicated with a fixing component between the two thick rods.

As a further improvement of the technical scheme, the fixing component comprises a supporting rod, the supporting rod is movably communicated between the two thick rods and is close to the top, and a second nut is movably communicated at the outer wall of the end part of the supporting rod, which penetrates out of the two thick rods.

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

the telescopic assembly is driven to be clamped on the infusion bottle through the elastic piece, the telescopic assembly is fixed on the infusion bottle through the fixing assembly, the length of the telescopic assembly is adjusted according to the lengths of different infusion bottles, the support is located under the infusion bottle, the chassis is driven to move inside the support through the adjustment pushing assembly, and accordingly the puncture needle is pushed into the infusion bottle.

Drawings

The utility model is described in more detail below, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a telescopic structure according to the present utility model;

fig. 3 is a schematic view of the infusion structure of the present utility model.

The meaning of each reference sign in the figure is: 1. an infusion tube; 11. a chassis; 110. a puncture needle; 12. a pushing assembly; 120. pushing the disc; 121. a push rod; 122. a slide bar; 13. a first nut; 14. a bracket; 15. an elastic member; 16. a telescoping assembly; 160. thick rods; 161. a thin rod; 17. a fixing assembly; 170. a support rod; 171. and a second nut.

Detailed Description

The intravenous infusion apparatus is a common medical consumable, and a channel between a vein and liquid medicine is established for intravenous infusion through aseptic processing. When the intravenous infusion apparatus swings along with the swinging of the arm of a patient, the force which is pulled between the intravenous infusion apparatus and the infusion bottle is easy to cause the puncture needle to drop out of the infusion bottle under the action of the force, so that air enters the blood vessel of the patient from the puncture needle to influence the body of the patient, and the intravenous infusion apparatus is inconvenient to fix the position between the intravenous infusion apparatus and the infusion bottle.

As shown in fig. 1-3, the device comprises an infusion tube 1, wherein the top of the infusion tube 1 is fixedly communicated with a chassis 11, and the top of the chassis 11 is fixedly communicated with a puncture needle 110;

the outer wall of the chassis 11 is movably communicated with a bracket 14, the bottom of the chassis 11 is fixedly connected with a pushing assembly 12, the pushing assembly 12 is used for driving the chassis 11 to move up and down in the bracket 14, and elastic pieces 15 are symmetrically and fixedly connected to the outer wall of the bracket 14 close to the top;

the end part of the elastic piece 15 is fixedly connected with a telescopic component 16, and a fixed component 17 is movably communicated between the two telescopic components 16 near the top part;

firstly, a specific structure of a pushing assembly 12 is disclosed, the pushing assembly 12 comprises a plurality of push rods 121, the push rods 121 are fixedly connected to the bottom of a chassis 11, pushing discs 120 are fixedly connected to the bottoms of the plurality of push rods 121, a transfusion tube 1 is movably communicated inside the pushing discs 120, sliding rods 122 are symmetrically and fixedly connected to two sides of the chassis 11, the sliding rods 122 are movably communicated inside a bracket 14, and the pushing discs 120 are pushed to drive the plurality of push rods 121 to push the chassis 11 so that the chassis 11 moves up and down inside the bracket 14, and thus the sliding rods 122 are driven to move on the bracket 14;

according to the above disclosure for the specific structure of the telescopic assembly 16, the telescopic assembly 16 includes a thin rod 161, the position of the thin rod 161 near the bottom is fixedly connected to the end of the elastic member 15, the outer wall of the thin rod 161 is movably connected with a thick rod 160, the position of the two thick rods 160 near the top is movably connected with a fixing assembly 17, and the thin rod 161 moves up and down inside the thick rods 160, so that the length between the thick rods 160 and the thin rods 161 can be conveniently adjusted according to different infusion bottle lengths;

according to the above disclosure of the specific structure of the fixing assembly 17, the fixing assembly 17 includes the supporting rod 170, the supporting rod 170 is movably connected between the two thick rods 160 near the top, the second nut 171 is movably connected to the outer wall of the end portion of the supporting rod 170 penetrating the two thick rods 160, the supporting rod 170 penetrates the two thick rods 160, and the two thick rods 160 are fixed between the two second nuts 171 by tightening the second nut 171 at the two ends of the supporting rod 170, so that the thick rods 160 fix the clamping of the infusion bottle.

The improvement of the embodiment is that: the telescopic component 16 is driven to be clamped on the infusion bottle through the elastic piece 15, the supporting rod 170 passes through the two thick rods 160, the two thick rods 160 are fixed between the two second nuts 171 through screwing the second nuts 171 at the two ends of the supporting rod 170, the thick rods 160 are used for fixing the clamping of the infusion bottle, the thin rods 161 move up and down in the thick rods 160, so that the length between the thick rods 160 and the thin rods 161 can be conveniently adjusted according to different infusion bottle lengths, the support 14 is positioned under the infusion bottle, the pushing disc 120 is pushed to drive the plurality of pushing rods 121 to push the chassis 11, the chassis 11 moves up and down in the support 14, the puncture needle 110 is pushed into the infusion bottle, and the sliding rod 122 is driven to move on the support 14;

the elastic piece 15 can be a spring, the push-pull force of the thin rod 161 can be realized through the elasticity expansion of the spring, the elastic piece 15 can be made of elastic rubber material with a hollow structure, the wear resistance is good, the elasticity is sufficient, and the push-pull of the thin rod 161 can also be realized;

in order to fix the position of the chassis 11 inside the bracket 14 conveniently, a first nut 13 is movably communicated with the position of the sliding rod 122 on the bracket 14 when the sliding rod 122 passes through the outer wall of the bracket 14, the first nut 13 is used for fixing the position of the sliding rod 122 on the bracket 14, and the sliding rod 122 is clamped on the bracket 14 by screwing the first nut 13 on the sliding rod 122, so that the position of the chassis 11 on the bracket 14 is fixed;

to sum up, the working principle of the scheme is as follows:

the telescopic assembly 16 is driven to be clamped on an infusion bottle through the elastic piece 15, the telescopic assembly 16 is fixed on the infusion bottle through the fixing assembly 17, the length of the telescopic assembly 16 is adjusted according to different infusion bottle lengths, the support 14 is located under the infusion bottle, the telescopic assembly 16 moves up and down inside the thick rod 160 through the thin rod 161, accordingly, the length between the thick rod 160 and the thin rod 161 is conveniently adjusted according to different infusion bottle lengths, the fixing assembly 17 passes through the supporting rod 170 from the two thick rods 160, the two thick rods 160 are fixed between the two nut 171 through the two ends of the supporting rod 170, the thick rods 160 fix the clamping of the infusion bottle, the pushing assembly 12 is adjusted to drive the chassis 11 to move inside the support 14, the puncture needle 110 is pushed into the infusion bottle, the pushing assembly 12 drives the plurality of pushing rods 121 to push the chassis 11 to move up and down inside the support 14 through the pushing disc 120, the chassis 11 is driven 122 to move on the support 14, the first nut 13 is screwed on the sliding rod 13, and the sliding rod 122 is clamped on the support 14 through the sliding rod 122.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A safe intravenous infusion apparatus, comprising an infusion tube (1), characterized in that: the top of the infusion tube (1) is fixedly communicated with a chassis (11), and the top of the chassis (11) is fixedly communicated with a puncture needle (110);

the outer wall of the chassis (11) is movably communicated with a bracket (14), the bottom of the chassis (11) is fixedly connected with a pushing assembly (12), the pushing assembly (12) is used for driving the chassis (11) to move up and down in the bracket (14), and elastic pieces (15) are symmetrically and fixedly connected to the outer wall of the bracket (14) close to the top;

the end part of the elastic piece (15) is fixedly connected with a telescopic component (16), and a fixed component (17) is movably communicated between the two telescopic components (16) close to the top part.

2. The safety intravenous infusion set of claim 1, wherein: the pushing assembly (12) comprises a plurality of pushing rods (121), the pushing rods (121) are fixedly connected to the bottom of the chassis (11), a plurality of pushing discs (120) are fixedly connected to the bottom of the pushing rods (121), the infusion tube (1) is movably communicated inside the pushing discs (120), sliding rods (122) are symmetrically and fixedly connected to two sides of the chassis (11), and the sliding rods (122) are movably communicated inside the support (14).

3. The safety intravenous infusion set of claim 2, wherein: the sliding rod (122) penetrates out of the outer wall of the bracket (14) and is movably communicated with a first nut (13), and the first nut (13) is used for fixing the position of the sliding rod (122) on the bracket (14).

4. The safety intravenous infusion set of claim 1, wherein: the telescopic component (16) comprises thin rods (161), the thin rods (161) are fixedly connected to the end parts of the elastic pieces (15) near the bottoms, thick rods (160) are movably communicated with the outer walls of the thin rods (161), and fixing components (17) are movably communicated between the two thick rods (160) near the tops.

5. The safety intravenous infusion set of claim 4, wherein: the fixing assembly (17) comprises a supporting rod (170), the supporting rod (170) is movably communicated between the two thick rods (160) and is close to the top, and a second nut (171) is movably communicated at the outer wall of the end part of the supporting rod (170) penetrating out of the two thick rods (160).