CN211096608U - Dropping funnel and siphon intravenous injection device - Google Patents

Abstract

The utility model provides a dropping funnel and siphon intravenous route device belongs to the medical instrument field. This dropping funnel includes the dropping funnel body and adds the medicine subassembly, the inside of dropping funnel body is provided with the kicking block, the interior top of dropping funnel body is provided with leads the pencil, the one end of keeping away from the second connecting pipe of pencil with add the medicine head intercommunication, the sealed tube with it connects to add the medicine head, the sealed tube sets up to the toper, the pipe is kept away from install the fixed plate in one side of sealed tube, be connected with the elastic component on the fixed plate, the one end that the fixed plate was kept away from to the elastic component is connected with the ball sealer, the ball sealer receives the elastic component pressure makes the ball sealer is arranged in the sealed tube. This dropping funnel body is convenient for medical personnel adds the medicine operation, and dropping funnel body top is sealed when adding the medicine for the liquid medicine gets into the human body fast, and solution that can be fine adds the problem of medicine infusion to patient's treatment midway fast.

Description

Dropping funnel and siphon intravenous injection device

Technical Field

The utility model relates to the field of medical equipment, particularly, relate to a dropping funnel and siphon intravenous route device.

Background

In the medical care of an emergency center, the medical treatment of some special conditions needs to be rapidly added with medicine and transfused halfway, and when a patient with cerebral cranium injury is rescued, mannitol, hypertonic sugar and other liquid with a certain dosage are required to be input in a short time. At present, the common method adopts an emergency rapid pressurization intravenous infusion method, a bottle stopper puncture outfit is converted into a hanging bottle needing medicine adding, and air is pumped into the hanging bottle by an infusion apparatus to rapidly increase the pressure in the hanging bottle, so that the purpose of rapid infusion is achieved. The method can cause the liquid medicine in the infusion bottle to flow out along the air inlet pipe in a large quantity, the infusion speed is reduced, and the infusion bottle is generally hung on a high level and is inconvenient for medical staff to operate.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiency, the utility model provides a dropping funnel and siphon intravenous injection device, aim at improving the problem that traditional urgent quick pressurization intravenous infusion method has a large amount of weeping and inconvenient operation.

In a first aspect, an embodiment of the present application provides a dropping funnel, which includes a dropping funnel body and a medicine feeding assembly.

The two ends of the dropping funnel body are provided with first connecting pipes, a floating block is arranged inside the dropping funnel body, the inner top of the dropping funnel body is provided with a medicine guide pipe, and the top of the medicine guide pipe is communicated with the first connecting pipes;

the floating block is divided into a supporting part and a conical part, the conical part is connected to the top of the supporting part, a conical pipe is arranged at the bottom of the medicine guide pipe, and the conical part is matched with the inside of the conical pipe;

the medicine feeding assembly comprises a second connecting pipe, a medicine feeding pipe and a medicine feeding head, the second connecting pipe is respectively communicated with the dropping funnel body and the medicine feeding pipe, and one end of the medicine feeding pipe, which is far away from the second connecting pipe, is communicated with the medicine feeding head;

wherein, add the pencil and include sealed tube and pipe, the one end of pipe with the second connecting pipe intercommunication, the sealed tube with it connects to add the pencil, the sealed tube sets up to the toper, the pipe is kept away from install the fixed plate in one side of sealed tube, the through-hole has been seted up on the fixed plate, be connected with the elastic component on the fixed plate, the one end that the fixed plate was kept away from to the elastic component is connected with the ball sealer, the ball sealer receives the elastic component pressure makes the ball sealer is arranged in the sealed tube.

In an embodiment of the present invention, the supporting portion is cylindrical, and the height of the floating block is 4-6mm greater than the inner diameter of the dropping funnel body.

In an embodiment of the present invention, the drug guiding tube is provided with a straight tube, one end of the straight tube is communicated with the first connecting tube, and the other end of the straight tube is communicated with the tapered tube.

In an embodiment of the present invention, the dosing head is provided with a pipe plug.

In an embodiment of the present invention, the through hole on the fixing plate is provided with a plurality of through holes.

In one embodiment of the present invention, the sealing ball is made of TPE material.

In an embodiment of the present invention, two ends of the elastic member are respectively welded to the sealing ball and the fixing plate.

In an embodiment of the present invention, the elastic member is a spring.

In a second aspect, the embodiment of the application provides a siphon intravenous injection device, include foretell dropping funnel, bottle plug puncture ware, air cleaner, go up infusion hose, lower infusion hose, flow rate regulator and vein needle, air cleaner with bottle plug puncture ware intercommunication, bottle plug puncture ware with go up infusion hose intercommunication, go up infusion hose with first connecting pipe is kept away from the one end intercommunication of dropping funnel body, the both ends of lower infusion hose respectively with the vein needle first connecting pipe intercommunication bottom the dropping funnel body, flow rate regulator install in infusion hose down.

In another embodiment of the utility model, the air cleaner includes intake pipe, check valve and filter tube, the both ends of intake pipe respectively with the bottle plug puncture ware the filter tube intercommunication, the check valve install in the intake pipe, the filter tube intussuseption is filled with the aseptic cotton.

The utility model has the advantages that: when the drip chamber is used, the medicine adding head is opened, the medicine to be quickly infused is injected into the medicine adding head through the injector, the sealing ball compresses the elastic part under pressure, so that the sealing ball is not sealed to the sealing tube any more, the liquid medicine enters the dropping funnel body through the guide tube and the second connecting tube, the liquid medicine level in the dropping funnel body rises, the floating block rises along with the liquid medicine level, the conical part of the floating block plugs the conical tube, the pressure in the dropping funnel body rises along with the continuous entering of the liquid medicine into the dropping funnel body, so that the conical part plugs the conical tube for sealing, the liquid medicine in the syringe is infused into the human body, the position of the dropping funnel body is lower relative to the position of the transfusion bottle, which is convenient for medical staff to add medicine, the top of the dropping funnel body is sealed when adding medicine, the liquid medicine can quickly enter the human body, and the problem of quick medicine adding and transfusion in midway of treatment of a patient can be well solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a dropping funnel provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a floating block according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a drug delivery tube according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a dosing assembly provided in the embodiment of the present invention;

fig. 5 is a schematic structural view of a siphon intravenous injection device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an air filter according to an embodiment of the present invention.

In the figure: 100-dropping funnel body; 110-a drug delivery tube; 111-straight pipe; 112-a conical tube; 120-floating block; 121-a support; 122-a tapered portion; 130-a first connection tube; 200-a dosing assembly; 210-a medicine feeding pipe; 211-a catheter; 212-a sealed tube; 220-a sealing ball; 230-an elastic member; 240-a fixed plate; 241-a through hole; 250-adding a medicine head; 251-a pipe plug; 260-a second connecting tube; 310-a stopper piercer; 320-an air filter; 321-an air inlet pipe; 322-a one-way valve; 323-a filter tube; 330-upper transfusion hose; 340-a flow rate regulator; 350-lower infusion hose; 360-vein needle.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

Examples

Referring to fig. 1, the present invention provides a technical solution: a dropping funnel comprises a dropping funnel body 100 and a medicine adding assembly 200.

The two ends of the dropping funnel body 100 are provided with first connecting pipes 130, the inside of the dropping funnel body 100 is provided with a floating block 120, the inner top of the dropping funnel body 100 is provided with a medicine guide pipe 110 used for dripping medicine into the dropping funnel body 100, and the top of the medicine guide pipe 110 is communicated with the first connecting pipes 130. Referring to fig. 2 and 3, the floating block 120 is divided into a supporting portion 121 and a tapered portion 122, the tapered portion 122 is connected to the top of the supporting portion 121, when the device is specifically installed, the supporting portion 121 is set to be cylindrical, the cylindrical supporting portion 121 is matched with the shape of the dropping funnel body 100, the tapered tube 112 is arranged at the bottom of the medicine guide tube 110, the tapered portion 122 is matched with the inside of the tapered tube 112, the height of the floating block 120 is greater than the inner diameter of the dropping funnel body 100 by 4-6mm, so as to prevent the floating block 120 from turning over in the dropping funnel body 100, when the device is specifically installed, the diameter of the supporting portion 121 is smaller than the inner diameter of the dropping funnel body 100 by 2-3mm, so as to prevent the supporting portion 121 from shaking in the dropping funnel body 100 to be large.

In some specific embodiments, the drug guiding tube 110 is provided with a straight tube 111, one end of the straight tube 111 is communicated with the first connecting tube 130, and the other end of the straight tube 111 is communicated with the conical tube 112. The arrangement of the straight tube 111 ensures that after the medicine guide tube 110 is sealed by the conical part 122, a certain distance exists between the floating block 120 and the top of the dropping funnel body 100, so that air is ensured to exist in the dropping funnel body 100, and the medicine in the infusion bottle continues to be infused after the medicine is added is not influenced.

Referring to fig. 4, the medicine feeding assembly 200 includes a second connection tube 260, a medicine feeding tube 210 and a medicine feeding head 250, the medicine feeding head 250 is used for connecting with an injector, the second connection tube 260 is respectively communicated with the drip chamber body 100 and the medicine feeding tube 210, and one end of the medicine feeding tube 210 far away from the second connection tube 260 is communicated with the medicine feeding head 250. Wherein, add pencil 210 and include sealed tube 212 and pipe 211, the one end and the second connecting pipe 260 intercommunication of pipe 211, sealed tube 212 is connected with adding medicine head 250, sealed tube 212 sets up to the toper, install fixed plate 240 in the one side that sealed tube 212 was kept away from to pipe 211, set up the through-hole 241 that is used for leading to the medicine on the fixed plate 240, when specifically setting up, through-hole 241 on the fixed plate 240 is provided with a plurality of, the setting of a plurality of through-holes 241, accelerate the circulation of medicine, be connected with elastic component 230 on the fixed plate 240, when specifically setting up, elastic component 230 is the spring, and the spring comprises the medical stainless steel, the one end that fixed plate 240 was kept away from to elastic component 230 is connected with sealed ball 220, when specifically setting up, the both ends of elastic component 230 respectively with sealed ball 220, fixed. With sealed ball 220 between the both ends of elastic component 230, fixed plate 240 welds, do not need extra connecting piece to be connected, it needs to explain, sealed ball 220 comprises the TPE material, the TPE material has high strength, high resilience, the characteristics of injection molding processing, and the environmental protection is nontoxic, sealed ball 220 receives elastic component 230 pressure to make sealed ball 220 arrange in the sealed tube 212, under normal condition, sealed ball 220 receives elastic component 230 pressure and the laminating of sealed tube 212, seal up sealed tube 212, when adding medicine in to drip chamber body 100, medicine injection dosing head 250, sealed ball 220 receives pressure compression elastic component 230, make sealed ball 220 no longer sealed up sealed tube 212, the liquid medicine passes through pipe 211 and second connecting pipe 260 entering drip chamber body 100.

In other embodiments, applicator head 250 has a stopcock 251 mounted thereon. The plug 251 seals the dosing head 250 and prevents foreign matter such as dust from entering the dosing head 250, which causes the dosing assembly 200 to be contaminated.

Referring to fig. 5, another embodiment of the present invention provides a siphon intravenous injection device, which includes

The dropping funnel, the bottle stopper puncture outfit 310, the air filter 320, the upper infusion hose 330, the lower infusion hose 350, the flow rate regulator 340 and the intravenous needle 360 are arranged in the dropping funnel, the air filter 320 is communicated with the bottle stopper puncture outfit 310, the bottle stopper puncture outfit 310 is communicated with the upper infusion hose 330, the upper infusion hose 330 is communicated with one end of the first connecting pipe 130 far away from the dropping funnel body 100, two ends of the lower infusion hose 350 are respectively communicated with the intravenous needle 360 and the first connecting pipe 130 at the bottom of the dropping funnel body 100, and the flow rate regulator 340 is arranged on the lower infusion hose 350.

Referring to fig. 6, the air filter 320 includes an air inlet pipe 321, a check valve 322 and a filter pipe 323, two ends of the air inlet pipe 321 are respectively communicated with the bottle stopper puncture device 310 and the filter pipe 323, the check valve 322 is installed in the air inlet pipe 321, the check valve 322 is arranged to prevent the liquid medicine from entering the air inlet pipe 321, and the filter pipe 323 is filled with the sterilized cotton, which is arranged to filter and sterilize the air entering the air inlet pipe 321.

The working principle is as follows: the bottle stopper puncture device 310 is inserted into an infusion bottle, the infusion bottle is hung on an infusion rod, the air is exhausted until the liquid medicine flows to the vein needle 360, the flow rate regulator 340 is closed tightly, the vein needle 360 is punctured into the sterilized vein, and the flow rate is regulated to carry out infusion. When need carry out urgent medicine addition, medicine extraction that will need add medicine through the syringe, open stopcock 251 on the medicine adding head 250, inject medicine into medicine adding head 250 through the syringe, sealed ball 220 is compressed elastic component 230 by pressure, make sealed ball 220 no longer sealed to sealed tube 212, the liquid medicine passes through pipe 211 and second connecting pipe 260 and gets into drip chamber body 100, the liquid medicine horizontal plane in drip chamber body 100 rises, floating block 120 follows and rises, and then the toper portion 122 of floating block 120 plugs up conical tube 112, constantly get into drip chamber body 100 along with the liquid medicine, pressure in drip chamber body 100 rises, make the tip of toper portion 122 get into inside conical tube 112, it is sealed to conical tube 112, the liquid medicine in the syringe infuses to the human body.

It should be noted that the specific model specification of the check valve 322 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A dropping funnel is characterized by comprising

The dropping funnel comprises a dropping funnel body (100), wherein first connecting pipes (130) are arranged at two ends of the dropping funnel body (100), a floating block (120) is arranged inside the dropping funnel body (100), a medicine guide pipe (110) is arranged at the inner top of the dropping funnel body (100), and the top of the medicine guide pipe (110) is communicated with the first connecting pipes (130);

the floating block (120) is divided into a supporting part (121) and a conical part (122), the conical part (122) is connected to the top of the supporting part (121), the bottom of the medicine guide tube (110) is provided with a conical tube (112), and the conical part (122) is matched with the inside of the conical tube (112);

the medicine feeding assembly (200) comprises a second connecting pipe (260), a medicine feeding pipe (210) and a medicine feeding head (250), the second connecting pipe (260) is respectively communicated with the dropping funnel body (100) and the medicine feeding pipe (210), and one end, far away from the second connecting pipe (260), of the medicine feeding pipe (210) is communicated with the medicine feeding head (250);

wherein, add pencil (210) including sealed tube (212) and pipe (211), the one end of pipe (211) with second connecting pipe (260) intercommunication, sealed tube (212) with add medicine head (250) and be connected, sealed tube (212) set up to the toper, pipe (211) are kept away from install fixed plate (240) in one side of sealed tube (212), through-hole (241) have been seted up on fixed plate (240), be connected with elastic component (230) on fixed plate (240), the one end that fixed plate (240) were kept away from in elastic component (230) is connected with ball sealer (220), ball sealer (220) receive elastic component (230) pressure makes ball sealer (220) are arranged in sealed tube (212).

2. The drip chamber according to claim 1, characterized in that the support part (121) is provided in a cylindrical shape, and the height of the floating block (120) is 4-6mm greater than the inner diameter of the drip chamber body (100).

3. The drip chamber according to claim 1, characterized in that the drug delivery tube (110) is provided with a straight tube (111), one end of the straight tube (111) is communicated with the first connecting tube (130), and the other end of the straight tube (111) is communicated with the conical tube (112).

4. A drip chamber according to claim 1, characterized in that a plug (251) is mounted on the dosing head (250).

5. The drip chamber according to claim 1, characterized in that the through-holes (241) in the fixing plate (240) are provided in several numbers.

6. The drip chamber according to claim 1, characterized in that the sealing ball (220) consists of TPE material.

7. The drip chamber according to claim 1, wherein both ends of said elastic member (230) are welded to said sealing ball (220) and said fixing plate (240), respectively.

8. The drip chamber according to claim 1, characterized in that said elastic member (230) is a spring.

9. A siphon intravenous injection device is characterized by comprising

The drip chamber of any one of claims 1-8; and

bottle stopper puncture ware (310), air cleaner (320), go up infusion hose (330), infusion hose (350), flow rate regulator (340) and vein needle (360) down, air cleaner (320) with bottle stopper puncture ware (310) intercommunication, bottle stopper puncture ware (310) with go up infusion hose (330) intercommunication, go up infusion hose (330) with first connecting tube (130) are kept away from the one end intercommunication of drip chamber body (100), the both ends of lower infusion hose (350) respectively with vein needle (360) drip chamber body (100) bottom first connecting tube (130) intercommunication, flow rate regulator (340) install in infusion hose (350) down.

10. A siphon intravenous injection device according to claim 9, characterized in that said air filter (320) comprises an air inlet pipe (321), a one-way valve (322) and a filtering pipe (323), both ends of said air inlet pipe (321) are respectively communicated with said bottle stopper puncture outfit (310) and said filtering pipe (323), said one-way valve (322) is mounted on said air inlet pipe (321), and said filtering pipe (323) is filled with sterilized cotton.

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