CN211096092U

CN211096092U - Disposable high-efficiency medical liquid dispensing device

Info

Publication number: CN211096092U
Application number: CN201920977357.3U
Authority: CN
Inventors: 罗晨心
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-14
Filing date: 2019-06-27
Publication date: 2020-07-28
Anticipated expiration: 2029-06-27
Also published as: CN110179664A

Abstract

The utility model discloses a disposable high-efficient medical liquid ware of joining in marriage, it is including the puncture pipe that has two-way puncture head puncture pipe in be equipped with the liquid medicine passageway and the air passageway that run through, its characterized in that puncture pipe all be equipped with the crosspiece at both ends to constitute the structural style of compriseing puncture head-crosspiece-holding means-crosspiece-puncture head. Compared with the prior art, the method has the following advantages: firstly, the structure is simple, the manufacturing material is single, the cost is very low in both manufacturing and using, and the clinical popularization and application are convenient; secondly, the caliber area of the pipeline can be maximized, the flow rate is high, and the waiting time for liquid preparation is shortened; thirdly, the operation is simple, convenient and handy, the liquid transfer can be completed by one step through puncture and inversion, the liquid preparation procedure is simplified, and the working efficiency is improved; fourthly, the whole liquid preparation process is isolated from the outside air, so that pollution can be avoided; fifthly, the needle has no sharpness of a metal needle head, and can avoid needle stick injury.

Description

Disposable high-efficiency medical liquid dispensing device

The technical field is as follows:

the utility model relates to a disposable high-efficient medical liquid preparation ware.

Background art:

intravenous infusion is the most common treatment means in clinic, and a liquid preparation center and clinical nurses in each hospital need to provide liquid preparation service for clinical infusion according to operation procedures strictly.

At present, common liquid preparation devices in various hospitals are all disposable sterile syringes. For the preparation of solid powder, the operation of the syringe requires the following steps: firstly, puncturing a liquid bottle to suck liquid; secondly, puncturing the medicine powder bottle and injecting liquid; thirdly, after the medicinal powder is dissolved, sucking the medicinal liquid and injecting the medicinal liquid into the liquid bottle. Therefore, in the process of liquid preparation, the liquid medicine can be transferred only by puncturing for many times. Therefore, the operation process is complex, the efficiency is low, and the liquid medicine pollution and the needle stick injury are easily caused.

In the dispensing device disclosed in chinese patents Z L201020139027.6, Z L201220097375.0 and Z L201410480833.2, the common feature described is that in a piercing tube with a two-way piercing head, two channels are provided, one for the passage of liquid and one for the passage of air, for the exchange and transfer of the liquid between the bottle/bag and the bottle of drug/powder, the distinctive feature is that in Z L201020139027.6, the dispensing is achieved by the driving force generated by squeezing the flexible bag/bottle of liquid, in Z L201410480833.2, the dispensing is achieved by providing a vent valve to communicate the tube with the outside, in order to verify the rationality of the dispensing principle of the above solution in actual use, the applicant dispenses samples by means of a 3D sweeping technique, which has been found by repeated comparative tests that in the actual dispensing process, when the bottle/bag is above, the liquid passage is all selected to be a liquid passage, the liquid passage is not naturally balanced, the bottom of the bag is not contaminated by the air, the other than the bottom of the bag is not naturally filled, the bottom of the bag is not contaminated by the air, the bottom of the bag is not naturally balanced, and the bottom of the bag is not contaminated by the natural gas passage, so far as the two channels are not naturally occurring in the bottom of the bottle/powder, the two channels are not naturally occurring in the two channels, the two channels are not naturally occurring in the two channels, the two channels are not easily occurring in the two channels, the bottom channel of the two channels, the two channels are not easily occurring in the bottom channel is not easily occurring in the bottom channel, the bottom channel is not being contaminated by the two channels, the bottom channel is not being contaminated by the two channels, the bottom channel is not being easily occurring in the bottom channel, the bottom channel is not being easily operating channel is not being easily, the bottom channel is not being easily, the two channels, the same, the two channels, the bottom channel is not being easily operating channel.

Chinese patents Z L201521068039.3, Z L201420816622.7, Z L201520699911.8 and Z L201520840407.5 disclose dispensing devices which are different from the above-mentioned structure, but all of these solutions are designed based on the above-mentioned dispensing principle, so that the above-mentioned defects also exist in the structure, and in Z L201520699911.8, the T-shaped multi-head puncture structure does not meet the hydrodynamic property, and also has the defects of slow or unsmooth liquid flow and the like.

The invention content is as follows:

the utility model aims to overcome the defects of the prior art and provide a disposable high-efficiency medical liquid dispenser which is in accordance with the human engineering design, has simple structure, low cost, smooth operation, convenience, high efficiency and can avoid pollution.

The utility model aims at realizing the following technical scheme: a disposable high-efficiency medical liquid dispenser comprises a puncture tube with a bidirectional puncture head, wherein a liquid medicine channel and an air channel which penetrate through the puncture tube are arranged in the puncture tube. Therefore, when the liquid preparation operation is carried out, the crosspiece-the holding means-the crosspiece form a holding part, firstly, the crosspiece is flat in structure, when a hand naturally holds the holding means, fingers just abut against the crosspiece, and under the cooperation of the holding means, the holding feeling is comfortable, the puncture is labor-saving, and the liquid preparation operation accords with the ergonomic design; secondly, the crosspiece sets the puncture depth of the puncture head and the distance between the bottle bags/bottles, the puncture depth does not need to be controlled intentionally during operation, and the operation is not influenced by too close distance between the bottle bags/bottles, so that the operation is smooth, convenient and quick, and the operation efficiency is improved; thirdly, the crosspiece can prevent fingers from touching the puncture head without being consciously operated, so that the pollution is avoided; fourthly, the structure is simplified, and the manufacturing and using cost of the device can be reduced. The above object is achieved.

In a preferred embodiment, in order to increase the flow rate and improve the liquid distribution speed, the utility model discloses recommend liquid medicine passageway and the air passageway that run through share a partition panel on its cross section of puncture pipe, make its pipeline mouth shape be D style of calligraphy structure. In this way, the cross-section of the puncture tube is fully utilized, thereby maximizing the caliber area of the channel.

In a preferred embodiment, in order to distinguish the use, the utility model recommends that the puncture tube has a long puncture head and a short puncture head at the two ends, the long puncture head is used for puncturing the liquid bottle/bag, and the short puncture head is used for puncturing the medicine/powder bottle; further, in order to make the liquid medicine flow and shift totally thoroughly, the utility model discloses recommend at least it the side direction through-hole has been seted up to the passageway root of short-end puncture head, this side direction through-hole distance the distance of crosspiece uses the thickness of referring to the bottle lid as the standard.

In a preferred embodiment, in order to improve the efficiency of liquid distribution, the utility model discloses recommend the puncture tube be equipped with two puncture heads at its one end, and constitute the Y font configuration with the puncture head of the other end. Therefore, on one hand, one end with two puncture heads can puncture two medicine bottles for liquid preparation at the same time; on the other hand, due to the Y-shaped configuration, firstly, the channel conforms to the fluid mechanics characteristic, and secondly, the Y-shaped side tube is also convenient to hold and conforms to the human engineering design. Therefore, the liquid preparation efficiency can be improved, and the convenience and the chirality of operation are not influenced.

Compared with the prior art, the utility model has the following advantages: firstly, the structure is simple, the manufacturing material is single, the cost is very low in both manufacturing and using, and the clinical popularization and application are convenient; secondly, the caliber area of the pipeline can be maximized, the flow rate is high, and the waiting time for liquid preparation is shortened; thirdly, the operation is simple, convenient and handy, the liquid transfer can be completed by one step through puncture and inversion, the liquid preparation procedure is simplified, and the working efficiency is improved; fourthly, the whole liquid preparation process is isolated from the outside air, so that pollution can be avoided; fifthly, the needle has no sharpness of a metal needle head, and can avoid needle stick injury.

Description of the drawings:

the present invention will be described in detail below with reference to the accompanying drawings (examples):

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view of the puncture tube shown in FIG. 1;

fig. 3 is another schematic structural diagram of the present invention.

The specific implementation mode is as follows:

referring to fig. 1, a specific structure of the present invention is shown for example only. The disposable high-efficiency medical liquid dispenser is characterized in that two ends of the puncture tube 1 are respectively provided with a crosspiece 4, so that a structural form consisting of the puncture head-the crosspiece 4-a holding means 5-the crosspiece 4-the puncture head is formed. As an additional feature of the present invention, in order to distinguish the use, the puncture tube 1 has a long and short part at the puncture heads at both ends thereof, the long end puncture head 6 is used for puncturing the liquid bottle/bag, the short end puncture head 7 is used for puncturing the medicine/powder bottle, and at least at the same the lateral through hole 8 has been opened at the channel root of the short end puncture head 7, and the lateral through hole 8 is apart from the crosspiece 4, the distance of which is based on the thickness of the reference bottle cap.

Referring to fig. 2, a particular tubular shape of the puncture tube 1 according to the present invention is shown for example only. It can be seen that as an additional feature of the present invention, the penetrating liquid medicine passage and the air passage share one partition plate 9 on the cross section of the puncture tube, thereby making the passage orifice constitute a D-shaped structure. Therefore, the cross section of the puncture tube is fully utilized, and the area of the orifice of the channel is maximized, so that the flow velocity is increased, and the liquid preparation speed is increased.

Referring to fig. 3, another specific structure of the present invention is shown for example only. It can be seen that the disposable high-efficiency medical liquid dispenser is characterized in that two puncture heads are arranged at one end of the puncture tube 1, and the puncture head at the other end form a Y-shaped structure 10, compared with the puncture tube 1 shown in figure 1. Due to the Y-shaped configuration 10, the

channels

2 and 3 conform to the hydrodynamic characteristics, and the Y-shaped side tube is convenient to hold and ergonomic. Therefore, the liquid preparation efficiency can be improved, and the convenience and the chirality of operation are not influenced.

In summary, the present invention has been described in detail through specific embodiments, but it goes without saying that some changes may be made on the basis of the present invention, for example, the lateral through hole 8 may also be a lateral through groove; the puncture tube 1 can be made of metal or PVC material through one-step molding and the like. All such equivalents are intended to be encompassed within the scope of the present invention.

Claims

1. A disposable high-efficiency medical liquid dispenser comprises a puncture tube with a bidirectional puncture head, wherein a liquid medicine channel and an air channel which penetrate through the puncture tube are arranged in the puncture tube.

2. The disposable high-efficiency medical liquid dispenser according to claim 1, wherein the penetrating liquid medicine passage and the air passage share a partition plate on the cross section of the puncture tube, so that the openings of the passages form a D-shaped structure.

3. The disposable high-efficiency medical liquid dispenser according to claim 1 or 2, characterized in that the puncture tube has a long puncture tip and a short puncture tip at both ends, the long puncture tip is used for puncturing the liquid bottle/bag, and the short puncture tip is used for puncturing the medicine/powder bottle.

4. The disposable high-efficiency medical liquid dispenser according to claim 3, characterized in that at least the root of the passage of the short-end piercing head is provided with a lateral through hole, and the distance between the lateral through hole and the crosspiece is based on the thickness of the bottle cap.

5. The disposable high-efficiency medical liquid dispenser according to claim 1 or 2, characterized in that the puncture tube is provided with two puncture heads at one end thereof and forms a Y-shaped configuration with the puncture head at the other end thereof.

6. The disposable high-efficiency medical liquid dispenser according to claim 5, characterized in that at least one end of the passage having two piercing heads is provided with a lateral through hole at the root of the passage, and the distance between the lateral through hole and the crosspiece is based on the thickness of the bottle cap.