CN215231076U

CN215231076U - Anti-gas venous transfusion device with buoyancy valve

Info

Publication number: CN215231076U
Application number: CN202121074878.1U
Authority: CN
Inventors: 刘怡霏
Original assignee: Western Theater General Hospital of PLA
Current assignee: Western Theater General Hospital of PLA
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-21
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a gas-proof vein transfusion device with a buoyancy valve, belonging to the technical field of vein transfusion devices, the gas-proof vein transfusion device with the buoyancy valve comprises a dropper, a liquid inlet pipe and a liquid outlet pipe which are respectively arranged at the upper end and the lower end of the dropper, the dropper comprises a lower pipe and an upper pipe which are fixedly connected, the lower end of the lower pipe is provided with a liquid outlet port, the upper end of the upper pipe is provided with a liquid inlet port, a disc is arranged in the lower pipe, a plurality of support rods are fixedly connected between the disc and the inner wall of the lower pipe, the support rods are provided with through holes, the upper side wall of each support rod is fixedly connected with a sleeve pipe matched with the through holes, the through holes and the sleeve pipe are slidably connected with slide bars, the gas-proof vein transfusion device is characterized in that the liquid outlet port of the dropper is sealed by arranging a buoyancy valve mechanism which can be automatically and manually adjusted inside the dropper, the damage to the human body caused by the air in the transfusion pipe when the liquid medicine is completely dripped, the burden of the guardian is reduced.

Description

Anti-gas venous transfusion device with buoyancy valve

Technical Field

The utility model relates to a vein transfusion system technical field, more specifically say, relate to a prevent gas vein transfusion system with buoyancy valve.

Background

The intravenous infusion is a method for infusing a large amount of sterile liquid, electrolyte and medicine into the body from veins by utilizing the principles of atmospheric pressure and hydrostatic pressure, and the intravenous infusion apparatus is important equipment for clinical medical treatment and plays a main role in the treatment and the rehabilitation of patients.

Intravenous transfusion system mainly comprises medicine bottle perforation needle, the transfer line, the intake pipe, flow regulator, burette and syringe needle, through the vein with the mode input patient of medicine with the bit, traditional intravenous syringe needs someone real-time supervision, especially when the liquid medicine is about to drip to the greatest extent, if nobody discovers and in time changes it, air in the transfer line will get into in the human blood vessel, patient's blood can flow backwards simultaneously and advance the transfer line, and then take place to condense, cause unfavorable influence for human recovery, do not have filter equipment in the traditional burette in addition, transfusion process unavoidably has medicine impurity or other bacterium to get into and cause the injury to patient in the human body, consequently to above-mentioned problem, provide a prevent the air vein transfusion system with buoyancy valve.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a prevent gas vein transfusion system with buoyancy valve, characterized by realizes sealing the liquid outlet port of burette through the inside buoyancy valve mechanism that sets up can reach manual regulation automatically at the burette, and the air admission blood vessel in the burette causes the harm to the human body when effectively having avoided the liquid medicine to drip to the greatest extent, has reduced guardian's burden, carries out effective filtration to impurity through setting up the filter screen in burette inside simultaneously.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A gas-tight vein infusion apparatus with a buoyancy valve comprises a dropper, and a liquid inlet pipe and a liquid outlet pipe which are respectively arranged at the upper end and the lower end of the dropper, wherein the dropper comprises a lower half pipe and an upper half pipe which are fixedly connected, the lower end of the lower half pipe is provided with a liquid outlet port, the upper end of the upper half pipe is provided with a liquid inlet port, a disc is arranged inside the lower half pipe, a plurality of support rods are fixedly connected between the disc and the inner wall of the lower half pipe, the support rods are provided with through holes, the upper side wall of each support rod is fixedly connected with a sleeve pipe matched with the through holes, the through holes and the sleeve pipes are internally and slidably connected with slide rods, the lower ends of the slide rods are fixedly connected with a fixed disc, compression springs are sleeved on the slide rods are fixedly connected between the fixed disc and the disc, the lower ends of the fixed disc are fixedly connected with sealing plugs matched with the liquid outlet of the lower half pipe, and the side walls of the slide rods are fixedly connected with buoyancy blocks positioned at the upper side of the sleeve pipes, the upper end of the sliding rod is fixedly connected with a pull block positioned in the upper half tube, and the automatic and manual adjustable floating valve mechanism is arranged in the dropper, so that the liquid outlet of the dropper is sealed, the phenomenon that air in the infusion tube enters a blood vessel to cause damage to a human body when liquid medicine is completely dripped is effectively avoided, the burden of a guardian is reduced, and meanwhile, impurities are effectively filtered by arranging a filter screen in the dropper.

Further: the quantity of bracing piece is three, and the angle setting such as three bracing piece each other, fixedly connected with dropping liquid pipe between disc and the lower half pipe, and dropping liquid pipe and a plurality of bracing piece fixed connection, can effectively promote the stability of being connected between lower half pipe and the disc, and the dropping liquid pipe can play certain filtering action to the liquid medicine simultaneously.

Further: the inner wall that half pipe and play liquid port link to each other is the skew wall down, the sealing plug is watertight elasticity rubber buffer, and the sealing plug outer wall be with half pipe assorted skew wall down, be convenient for the sealing plug and half pipe inner wall laminating down seal the play liquid port, effectively improve its sealing performance.

Further: the lower half tube is a hard transparent glass tube, the upper half tube is a soft transparent plastic tube, the side wall of the pull block is an inclined wall, and a user can pinch the pull block to lift upwards by pressing the upper half tube, so that liquid medicine in the liquid medicine bottle can quickly flow to the needle head part when the infusion apparatus performs initial infusion.

Further: inner wall fixedly connected with and the feed liquor port drip tube that is linked together on the first half pipe, draw the guide block that piece upper end fixedly connected with is located under the drip tube, and the guide block is the tapered, and the liquid medicine can follow the drip tube drippage, and the person of facilitating the use observes the dripping speed of liquid medicine and comes to carry out the speed governing to it, and the guide block can play the guide effect to the liquid medicine that drips simultaneously.

Further: the feed liquor pipe is connected for dismantling with first half inlet port, the drain pipe is connected for dismantling with second half outlet port, can be convenient for the user to dismantle the equipment or change it.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme is that the liquid outlet port of the dropper is sealed by the aid of the buoyancy valve mechanism which is arranged inside the dropper and can be automatically and manually adjusted, damage to a human body caused by air entering the blood vessel in the infusion tube when liquid medicine is completely dripped is effectively avoided, burden of guardians is reduced, and impurities are effectively filtered by the aid of the filter screen arranged inside the dropper.

(2) The quantity of bracing piece is three, and the angle setting such as three bracing piece each other, fixedly connected with dropping liquid pipe between disc and the lower half pipe, and dropping liquid pipe and a plurality of bracing piece fixed connection, can effectively promote the stability of being connected between lower half pipe and the disc, and the dropping liquid pipe can play certain filtering action to the liquid medicine simultaneously.

(3) The inner wall that half pipe and play liquid port link to each other is the skew wall, and the sealing plug is watertight elasticity rubber buffer, and the sealing plug outer wall be with half pipe assorted skew wall down, be convenient for the sealing plug and half pipe inner wall laminating down seal the play liquid port, effectively improve its sealing performance.

(4) The lower half tube is a hard transparent glass tube, the upper half tube is a soft transparent plastic tube, the side wall of the pull block is an inclined wall, and a user can pinch the pull block to lift upwards by pressing the upper half tube, so that the liquid medicine in the liquid medicine bottle can quickly flow to the needle head part when the infusion apparatus performs initial infusion.

(5) Inner wall fixedly connected with and the feed liquor port drip tube that is linked together on the first half pipe, draw the guide block that piece upper end fixedly connected with is located directly below the drip tube, and the guide block is the tapered, and the liquid medicine can follow the drip tube drippage, and the person of facilitating the use observes the dripping speed of liquid medicine and comes to carry out the speed governing to it, and the guide block can play the guide effect to the liquid medicine that drips simultaneously.

(6) The liquid inlet pipe is detachably connected with the liquid inlet port of the upper half pipe, and the liquid outlet pipe is detachably connected with the liquid outlet port of the lower half pipe, so that a user can conveniently detach, assemble or replace the liquid inlet pipe and the liquid outlet port of the lower half pipe.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the dropper of the present invention;

fig. 3 is a sectional view of the dropper of the present invention;

fig. 4 is a schematic structural view of the transfusion state of the present invention.

The reference numbers in the figures illustrate:

1 dropper, 101 lower half tube, 102 upper half tube, 2 liquid inlet tube, 3 liquid outlet tube, 4 discs, 5 support rods, 6 through holes, 7 sleeves, 8 sliding rods, 9 fixed discs, 10 compression springs, 11 sealing plugs, 12 buoyancy blocks, 13 pulling blocks, 14 guide blocks and 15 dropping liquid tubes.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, an anti-gas intravenous infusion apparatus with a buoyancy valve comprises a dropper 1, and a liquid inlet pipe 2 and a liquid outlet pipe 3 respectively installed at the upper end and the lower end of the dropper 1, and referring to fig. 2, the dropper 1 comprises a lower half pipe 101 and an upper half pipe 102, the lower half pipe 101 and the upper half pipe 102 are fixedly connected, the lower end of the lower half pipe 101 is provided with a liquid outlet port, the upper end of the upper half pipe 102 is provided with a liquid inlet port, a disc 4 is arranged inside the lower half pipe 101, referring to fig. 2-3, a plurality of support rods 5 are fixedly connected between the disc 4 and the inner wall of the lower half pipe 101, the support rods 5 are provided with through holes 6, referring to fig. 2, the upper side wall of each support rod 5 is fixedly connected with a sleeve 7 matched with the through hole 6, the through hole 6 and the sleeve 7 are slidably connected with a slide bar 8, the lower end of the slide bar 8 is fixedly connected with a fixed disc 9, a compression spring 10 sleeved on the slide bar 8 is fixedly connected between the fixed disc 9 and the disc 4, the lower end of the fixed disc 9 is fixedly connected with a sealing plug 11 matched with a liquid outlet of a lower half pipe 101, the side wall of the sliding rod 8 is fixedly connected with a buoyancy block 12 positioned on the upper side of the sleeve 7, the buoyancy of the buoyancy block 12 is larger than the maximum resilience of the compression spring 10, the upper end of the sliding rod 8 is fixedly connected with a pulling block 13 positioned inside an upper half pipe 102, and the automatic and manual adjustable buoyancy valve mechanism is arranged inside the dropper to seal a liquid outlet of the dropper.

Referring to fig. 3, the number of the support rods 5 is three, the three support rods 5 are arranged at equal angles, the disc 4 and the lower half pipe 101 are fixedly connected with the drip pipes 15, the drip pipes 15 are fixedly connected with the support rods 5, so that the connection stability between the lower half pipe 101 and the disc 4 can be effectively improved, and meanwhile, the drip pipes 15 can filter the liquid medicine to a certain extent.

Referring to fig. 2, the inner wall of the lower tube half 101 connected to the liquid outlet port is an inclined wall, the sealing plug 11 is a watertight elastic rubber plug, and the outer wall of the sealing plug 11 is an inclined wall matched with the lower tube half 101, so that the sealing plug 11 is conveniently attached to the inner wall of the lower tube half 101 to seal the liquid outlet port, and the sealing performance is effectively improved.

Referring to fig. 2, the lower tube half 101 is a hard transparent glass tube, the upper tube half 102 is a soft transparent plastic tube, the side wall of the pull block 13 is an inclined wall, and a user can press the upper tube half 102 to pinch the pull block 13 to lift upwards, so that the liquid medicine in the liquid medicine bottle can flow to the needle head portion quickly when the infusion apparatus performs initial infusion.

Referring to fig. 2, a dropping tube 15 communicated with the liquid inlet port is fixedly connected to the inner wall of the upper half tube 102, a guide block 14 located right below the dropping tube 15 is fixedly connected to the upper end of the pulling block 13, and the guide block 14 is conical, so that the liquid medicine can drop from the dropping tube 15, a user can observe the dropping rate of the liquid medicine to adjust the speed of the liquid medicine, and the guide block 14 can guide the dropped liquid medicine.

Referring to fig. 1 and 4, the liquid inlet pipe 2 is detachably connected to the liquid inlet port of the upper half pipe 102, and the liquid outlet pipe 3 is detachably connected to the liquid outlet port of the lower half pipe 101, so that the liquid inlet pipe can be conveniently detached, assembled or replaced by a user.

The working principle is as follows: when the dropper is used by a person skilled in the art, the liquid inlet pipe 2 and the liquid outlet pipe 3 are respectively installed with the liquid inlet port and the liquid outlet port of the dropper 1, then the medicine bottle perforation needle at the other end of the liquid inlet pipe 2 is inserted into the medicine bottle opening, the pull block 13 is pinched by pressing the upper half pipe 102 with a hand to pull upwards, the pull block 13 drives the slide rod 8 to slide upwards along the sleeve 7 and the through hole 6, the slide rod 8 drives the sealing plug 11 at the lower end of the fixed disc 9 to move upwards to separate the sealing plug from the inner wall of the lower half pipe 101, when liquid medicine flows to the needle head from the medicine bottle, and the liquid medicine level in the dropper 1 is higher than the height of the upper end of the buoyancy block 12, the pull block 13 is released, the buoyancy block 12 is immersed in the liquid medicine to generate an upwards buoyancy force which is larger than the rebound force of the compression spring 10, the buoyancy block 12 can provide an upwards force for the sealing plug 11 through the slide rod 8 and the fixed disc 9, when the elasticity of the compression spring 10 is equal to the buoyancy force of the buoyancy block 12, a balanced state is achieved, the sealing plug 11 is kept separated from the inner wall of the lower half pipe 101, the liquid medicine can continuously flow out from the liquid outlet port of the lower half pipe 101, when the liquid medicine in the medicine bottle is completely flowed out, the page of the liquid medicine in the dropper 1 is lowered to the lower side of the buoyancy block 12, the buoyancy block 12 does not generate buoyancy any more, the fixed disc 9 and the sealing plug 11 are downwards extruded by the elastic acting force of the compression spring 10, the sealing plug 11 moves downwards to be attached to the inner wall of the lower half pipe 101 to seal the liquid outlet port below the lower half pipe 101, and the liquid medicine can be prevented from continuously flowing.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides a prevent gas vein transfusion system with buoyancy valve, includes burette (1) and installs feed liquor pipe (2) and drain pipe (3) at burette (1) upper and lower both ends mouth respectively, its characterized in that: the burette (1) comprises a lower half pipe (101) and an upper half pipe (102), the lower half pipe (101) and the upper half pipe (102) are fixedly connected, the lower half pipe (101) is provided with a liquid outlet port, the upper end of the upper half pipe (102) is provided with a liquid inlet port, the lower half pipe (101) is internally provided with a disc (4), a plurality of support rods (5) are fixedly connected between the inner walls of the disc (4) and the lower half pipe (101), the support rods (5) are provided with through holes (6), the side walls of the support rods (5) are fixedly connected with a sleeve (7) matched with the through holes (6), the through holes (6) and the sleeve (7) are internally and slidably connected with a slide bar (8), the lower end of the slide bar (8) is fixedly connected with a fixed disc (9), and a compression spring (10) sleeved on the slide bar (8) is fixedly connected between the fixed disc (9) and the disc (4), the lower end of the fixed disc (9) is fixedly connected with a sealing plug (11) matched with a liquid outlet of the lower half pipe (101), the side wall of the sliding rod (8) is fixedly connected with a buoyancy block (12) located on the upper side of the sleeve (7), and the upper end of the sliding rod (8) is fixedly connected with a pulling block (13) located inside the upper half pipe (102).

2. The anti-gas intravenous infusion set with a buoyancy valve according to claim 1, wherein: the quantity of bracing piece (5) is three, and three bracing piece (5) angle settings such as each other, fixedly connected with dropping liquid pipe (15) between disc (4) and lower half pipe (101), and dropping liquid pipe (15) and a plurality of bracing piece (5) fixed connection.

3. The anti-gas intravenous infusion set with a buoyancy valve according to claim 1, wherein: the inner wall that half pipe (101) and play liquid port link to each other down is the skew wall, sealing plug (11) are watertight elasticity rubber buffer, and sealing plug (11) outer wall be with half pipe (101) assorted skew wall down.

4. The anti-gas intravenous infusion set with a buoyancy valve according to claim 1, wherein: the lower half pipe (101) is a hard transparent glass pipe, the upper half pipe (102) is a soft transparent plastic pipe, and the side wall of the pulling block (13) is an inclined wall.

5. The anti-gas intravenous infusion set with a buoyancy valve according to claim 1, wherein: last half pipe (102) go up inner wall fixedly connected with and the dropping liquid pipe (15) that the inlet port is linked together, draw guide block (14) that piece (13) upper end fixedly connected with is located dropping liquid pipe (15) under, and guide block (14) are the taper type.

6. The anti-gas intravenous infusion set with a buoyancy valve according to claim 1, wherein: feed liquor pipe (2) and first half pipe (102) feed liquor port be for dismantling the connection, drain pipe (3) and second half pipe (101) play liquid port be for dismantling the connection.