CN215385960U

CN215385960U - Closed type dispensing connecting pipeline

Info

Publication number: CN215385960U
Application number: CN202120548448.2U
Authority: CN
Inventors: 简玉梅; 田军; 胡斌; 卫彦伟
Original assignee: JIANGXI HONGDA MEDICAL EQUIPMENT GROUP CO Ltd
Current assignee: JIANGXI HONGDA MEDICAL EQUIPMENT GROUP CO Ltd; Jiangxi Hongda Medical Equipment Group Ltd Co
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2022-01-04
Anticipated expiration: 2031-03-17

Abstract

A closed type medicine dispensing connecting pipeline comprises a bottle stopper puncture needle, a bottle inserting needle and an air filter which are sequentially connected through a guide pipe, when automatic medicine dispensing is carried out, the automatic medicine dispensing machine is started, the bottle inserting needle is inserted into a penicillin bottle to form a closed loop, rated negative pressure in the penicillin bottle is extracted along a first air channel and a second air channel through an air pump, meanwhile, corresponding amount of liquid medicine in the infusion bottle flows into the penicillin bottle along the first medicine channel and a steel needle, after medicine powder and the liquid medicine in the penicillin bottle are uniformly mixed through a vibration platform in the automatic medicine dispensing machine, rated positive pressure is injected into the penicillin bottle through the air pump along the first air channel and the second air channel, so that the liquid medicine uniformly mixed in the penicillin bottle returns to the infusion bottle along the steel needle and the first medicine channel to finish automatic medicine dispensing, therefore, the medicine dispensing mode of sealing, precision and multiple puncture prevention can be realized, and bacteria-containing air can be prevented from entering the liquid medicine, solves the problem that medical care disposal personnel are stabbed and injured, and improves the dispensing efficiency.

Description

Closed type dispensing connecting pipeline

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a closed type dispensing connecting pipeline.

Background

In clinic, when medical personnel use the vial to dispense medicines manually, the eight steps of inserting pins, drawing liquid, inserting pins, injecting liquid, shaking liquid, drawing mixed liquid, inserting the vial after pulling out the needle from the vial, injecting liquid and the like are needed, and the whole dispensing procedure is complex. In addition, because the medicine bottle is the sealed bottle, so resistance is great when drawing medicine for medical personnel are hard, thereby lead to drawing medicine process slow, consume time. And the dosage is generally judged by the scale marks of the visual syringe during drug drawing, so that the accuracy of the medicine drawing can not be ensured, and the curative effect of the medicine taking of a patient is influenced.

At present, the mode of manual medicine dispensing is mostly adopted for dispensing medicines in hospitals, and the medicine dispensing space of part of hospitals can not meet the requirements of national industries, so that the dangers in various aspects such as medicine pollution, medicine dispensing errors, harm to medical staff and the like always exist.

Although the existing foreign automatic dispensing machine adopts a smart arm to dispense medicines, the cost is high, the control is complex, the popularization and the expansion are difficult, and the finished functions are limited. Domestic medical medicine machine of dispensing is mostly single station, and adopts syringe mode and one-way type plastic connecting pipe, need insert repeatedly between infusion bottle and different xiLin bottles and extract at the in-process of dispensing, the secondary pollution of infusion medicament easily appears.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a closed type dispensing connecting pipeline which is used for connecting an infusion bottle and a penicillin bottle simultaneously, so that repeated puncture and secondary pollution are avoided, and the dispensing efficiency is improved.

A closed type dispensing connecting pipeline is used in an automatic dispensing machine and comprises a bottle stopper puncture needle, a bottle inserting needle and an air filter which are sequentially connected through a guide pipe, wherein the air filter is used for being connected with an air pump in the automatic dispensing machine, the bottle inserting needle is used for being connected with a penicillin bottle in the automatic dispensing machine, the bottle stopper puncture needle is used for being connected with an infusion bottle in the automatic dispensing machine, and the bottle inserting needle comprises a needle seat and an insertion needle which are connected with each other and a steel needle which is arranged in the needle seat and penetrates through the insertion needle;

the top of the needle seat is provided with a first connecting part and a second connecting part, the bottom of the needle seat is provided with a first needle seat and a second needle seat which are coaxially arranged, the second needle seat is bonded with the contact pin, the first needle seat is bonded with the steel needle, the second connecting part is provided with a first medicine channel, one end of the first medicine channel is communicated with the steel needle, the other end of the first medicine channel is connected with the bottle stopper puncture needle through a catheter, and the first connecting part is provided with a first air channel;

the lateral wall of the contact pin is provided with a plurality of air holes, a second air channel is formed between the air holes and the outer wall of the steel needle, one end of the first air channel is communicated with the second air channel, and the other end of the first air channel is connected with the air filter through a guide pipe.

Compared with the prior art, in the utility model, when automatic medicine dispensing is carried out, the closed type medicine dispensing connecting pipeline is installed on the automatic medicine dispensing machine, the bottle stopper puncture needle is inserted into the infusion bottle, the air filter is connected with the air pump, the automatic medicine dispensing machine is started, the bottle insertion needle is inserted into the penicillin bottle to form a closed type loop, rated negative pressure in the penicillin bottle is extracted along the first air channel and the second air channel through the air pump, meanwhile, corresponding amount of liquid medicine in the infusion bottle flows into the penicillin bottle along the first medicine channel and the steel needle, after the medicine powder and the liquid medicine in the penicillin bottle are uniformly mixed by the vibration platform in the automatic medicine dispensing machine, rated positive pressure is injected into the penicillin bottle along the first air channel and the second air channel through the air pump, so that the liquid medicine uniformly mixed in the penicillin bottle returns to the infusion bottle along the steel needle and the first medicine channel to complete automatic medicine dispensing, and the utility model can realize closed type medicine dispensing The dispensing mode of accurate, avoiding puncturing many times can avoid having the bacterium air to enter into the liquid medicine, has solved medical care treatment personnel and has been hindered by the thorn problem, has improved dispensing efficiency.

Furthermore, the first connecting part is vertically arranged at the top of the needle seat, and the second connecting part is horizontally arranged on the side wall of the top of the needle seat.

Further, the top of the needle base is provided with a reinforcing plate, and the reinforcing plate is located between the first connecting portion and the second connecting portion.

Furthermore, the top of needle file is equipped with annular boss, annular boss and the extraction structural connection in the automatic medicine dispensing machine, first connecting portion and reinforcing plate all are located annular boss's top.

Further, the contact pin is including the annular connecting portion and the direction connecting portion that are connected, annular connecting portion with the second needle file bonds, the other end of direction connecting portion is the tapered structure, the bleeder vent is located the lateral wall of this tapered structure, the steel needle runs through the bottom of this tapered structure.

Further, the bottle plug puncture needle comprises a bottle plug seat, a third connecting portion arranged at the top of the bottle plug seat and a puncture portion arranged at the bottom of the bottle plug seat, wherein a second medicine channel is arranged in the third connecting portion and penetrates through the puncture portion.

Furthermore, the side of the bottle plug seat extends to form a mounting seat, an air inlet plug is arranged in the mounting seat, an air filtering membrane is arranged between the air inlet plug and the mounting seat, and a third air channel communicated with the air inlet plug is arranged in the puncture part.

Further, the first needle seat and the steel needle are bonded through epoxy resin;

the second needle base is bonded with the inserting needle through the ring ketone.

Furthermore, a liquid medicine filter is arranged on a conduit between the bottle stopper puncture needle and the bottle inserting needle.

Further, replacing the penicillin bottle with an ampere bottle.

Drawings

FIG. 1 is a schematic view of the installation of a sealed dispensing connection tube in an automatic dispensing machine according to an embodiment of the present invention;

FIG. 2 is a schematic sectional view of the closed type dispensing connection tube in FIG. 1;

FIG. 3 is a schematic view of the structure of the insertion needle of FIG. 2;

FIG. 4 is a cross-sectional schematic view of the stopper puncture needle of FIG. 2;

FIG. 5 is a schematic cross-sectional view of a closed dispensing connector tube according to another embodiment of the present invention.

Description of the main element symbols:

the following detailed description will further illustrate the utility model in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a sealed dispensing connection tube 100 according to an embodiment of the present invention is used in an automatic dispensing machine 200, and includes a bottle stopper puncture needle 11, a bottle insertion needle 12 and an air filter 13 sequentially connected through a conduit 10, the air filter 13 is used for connecting with an air pump (not shown) in the automatic dispensing machine 200, the bottle insertion needle 12 is used for connecting with a vial 300 in the automatic dispensing machine 200, the bottle stopper puncture needle 11 is used for connecting with an infusion bottle 400 in the automatic dispensing machine 200, the bottle insertion needle 12 includes a needle seat 121 and a needle 122 connected with each other, and a steel needle 123 disposed in the needle seat 121 and penetrating through the needle 122;

the top of the needle holder 121 is provided with a first connecting part 1211 and a second connecting part 1212, the bottom is provided with a first needle holder 1213 and a second needle holder 1214 which are coaxially arranged, the second needle holder 1214 is bonded with the inserting needle 122, the first needle holder 1213 is bonded with the steel needle 123, the second connecting part 1212 is provided with a first medicine channel 1215, one end of the first medicine channel 1215 is communicated with the steel needle 123, the other end of the first medicine channel 1215 is connected with the bottle stopper puncture needle 11 through the catheter 10, and the first connecting part 1211 is provided with a first air channel 1216;

a plurality of air holes 1221 are formed in the side wall of the insertion pin 122, a second air channel 1222 is formed between the air holes 1221 and the outer wall of the steel pin 123, one end of the first air channel 1216 is communicated with the second air channel 1222, and the other end is connected with the air filter 13 through a conduit 10.

In the utility model, when automatic medicine dispensing is performed, the sealed medicine dispensing connection pipeline 100 is installed on the automatic medicine dispensing machine 200, the bottle stopper puncture needle 11 is inserted into the infusion bottle 400, the air filter 13 is connected with the air pump, the automatic medicine dispensing machine 200 is started, the bottle insertion needle 12 is inserted into the penicillin bottle 300 to form a sealed loop, rated negative pressure in the penicillin bottle 300 is extracted along the first air channel 1216 and the second air channel 1222 through the air pump, and meanwhile, a corresponding amount of liquid medicine in the infusion bottle 400 flows into the penicillin bottle 300 along the first medicine channel 1215 and the steel needle 123; after the medicine powder and the liquid medicine in the penicillin bottle 300 are uniformly mixed by the vibration platform in the automatic medicine dispensing machine 200, the liquid medicine uniformly mixed in the penicillin bottle 300 is returned to the infusion bottle 400 along the steel needle 123 and the first medicine channel 1215 by the rated positive pressure injected into the penicillin bottle 300 through the air pump along the first air channel 1216 and the second air channel 1222 so as to complete automatic medicine dispensing, so that a closed and precise medicine dispensing mode capable of avoiding multiple punctures can be realized, and the medicine dispensing efficiency is improved. In addition, through the design of the vial inserting needle 12, the air pressure in the vial 300 is consistent with the air pressure outside, so that the liquid medicine is conveniently extracted from the vial 300.

Further, the catheter 10 is made of plastic, and a connecting tube made of a light-shielding material can be selected according to clinical dispensing requirements. The air filter 13 can remove suspended dust particles and microorganisms in the air, i.e., the dust particles are trapped and intercepted by the filter material, so as to ensure the cleanliness requirement of the air volume. The filter material used by the air filter 13 is a fiber with a relatively small diameter, which not only enables the air flow to pass through smoothly, but also can effectively trap dust particles.

Referring to fig. 2 and 3, the first connecting portion 1211 is vertically disposed on the top of the needle holder 121, and the second connecting portion 1212 is horizontally disposed on the sidewall of the top of the needle holder 121, such that the first connecting portion 1211 and the second connecting portion 1212 are separated from each other, and therefore, the two portions are not in the same direction, which is inconvenient for drilling.

Preferably, a reinforcing plate 1217 is disposed on the top of the needle holder 121, and the reinforcing plate 1217 is located between the first connecting portion 1211 and the second connecting portion 1212 to enhance the connection strength therebetween.

Further, an annular boss 1218 is provided at the top of the needle holder 121, the annular boss 1218 is connected to the extraction structure of the automatic medicine dispenser 200, and the first connection 1211 and the reinforcement plate 1217 are both located at the top of the annular boss 1218, so that the vial inserting needle 12 is mounted on the extraction structure of the automatic medicine dispenser 200.

Referring to fig. 2 and 3, the inserting needle 122 includes an annular connecting portion 1223 and a guiding connecting portion 1224, the annular connecting portion 1223 is adhered to the second needle holder 1214, the other end of the guiding connecting portion 1224 is a conical structure, the air hole 1221 is located on a side wall of the conical structure, and the steel needle 123 penetrates through the bottom of the conical structure.

It should be noted that, in the present invention, the vial inserting needle 12 is divided into three parts, namely, the needle seat 121, the inserting needle 122 and the steel needle 123, so that the second air passage 1222 and the air hole 1221 for installing the steel needle 123 are not required to be processed on the needle seat 121, and meanwhile, the structures of the needle seat 121 and the inserting needle 122 are reduced, so that the mold opening of the needle seat 121 and the inserting needle 12 is easier.

Specifically, the steel needle 123 is a stainless steel needle, the length of the stainless steel needle can be 5-50cm, and a corresponding length specification is selected according to the height requirement of the penicillin bottle 300 for dispensing.

Referring to fig. 2 and 4, the bottle stopper puncturing needle 11 includes a bottle stopper seat 111, a third connecting portion 112 disposed at the top of the bottle stopper seat 111, and a puncturing portion 113 disposed at the bottom of the bottle stopper seat 111, wherein a second medicine channel 114 is disposed in the third connecting portion 112, and the second medicine channel 114 penetrates through the puncturing portion 113.

In a preferred embodiment of the present invention, a mounting seat 115 extends from a side of the cork seat 111, an air inlet plug 116 is disposed in the mounting seat 115, an air filter membrane 117 is disposed between the air inlet plug 116 and the mounting seat 115, and a third air passage 118 is disposed in the puncturing part 113 and communicates with the air inlet plug 116. In this embodiment, the air filter membrane 117 has the same effect as an air filter. In the dispensing process, the whole sealed dispensing connecting pipe 100 and the infusion bottle 400 are under the action of negative pressure, and clean air can enter the infusion bottle 400 through the air inlet plug 116, so that the problems of deformation of the plastic infusion bottle and liquid discharge stopping of the glass infusion bottle under the action of negative pressure are solved.

In another preferred embodiment of the present invention, the first needle seat 1213 is bonded to the steel needle 123 by epoxy.

In a preferred embodiment of the present invention, the second hub 1214 and the insertion needle 122 are bonded by a ring ketone.

Referring to fig. 5, in another preferred embodiment of the present invention, a liquid medicine filter 14 is disposed on the catheter 10 between the stopper puncture needle 11 and the bottle insertion needle 12. The liquid medicine filter 14 can filter the liquid medicine dispensed in the penicillin bottle 300, and can filter particles with the diameter of 5 microns and smaller. The liquid medicine filter 14 has a double-layer filtering medium, has strong dirt holding capacity, regular and uniform filtering holes, high filtering precision, no foreign matter falling, small drug adsorption and good drug compatibility, and can be even matched with a degerming-grade filtering membrane of 0.2 micron or below.

It should be noted that, in the present invention, the penicillin bottle may be replaced by an ampoule to realize automatic dispensing of the ampoule.

In conclusion, the utility model can realize a closed and precise dispensing mode avoiding repeated puncture, can avoid the bacteria-containing air from entering the liquid medicine, solves the problem that medical care treatment personnel are punctured and improves the dispensing efficiency. In addition, through the design of the vial inserting needle 12, the air pressure in the vial 300 is consistent with the air pressure outside, so that the liquid medicine is conveniently extracted from the vial 300.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a closed connecting line that dispenses for in the automatic medicine dispensing machine, its characterized in that: the automatic medicine dispensing machine comprises a bottle stopper puncture needle, a bottle inserting needle and an air filter which are sequentially connected through a guide pipe, wherein the air filter is used for being connected with an air pump in the automatic medicine dispensing machine, the bottle inserting needle is used for being connected with a penicillin bottle in the automatic medicine dispensing machine, the bottle stopper puncture needle is used for being connected with an infusion bottle in the automatic medicine dispensing machine, and the bottle inserting needle comprises a needle seat and an insertion needle which are connected with each other, and a steel needle which is arranged in the needle seat and penetrates through the insertion needle;

2. The sealant dispensing connection tubing of claim 1, wherein the first connector is vertically disposed on the top of the hub and the second connector is horizontally disposed on the sidewall of the top of the hub.

3. The closed dispense connector line of claim 2, wherein a reinforcing plate is provided on the top of the hub, the reinforcing plate being located between the first and second connectors.

4. A closed dispensing connection tube according to claim 3, wherein an annular boss is provided on the top of the needle holder, the annular boss is connected to the extraction structure of the automatic dispensing machine, and the first connection portion and the reinforcement plate are both located on the top of the annular boss.

5. The closed type dispensing connection pipeline as claimed in claim 1, wherein the pin comprises an annular connection part and a guiding connection part which are connected, the annular connection part is bonded with the second needle seat, the other end of the guiding connection part is of a cone-shaped structure, the air vent is located on the side wall of the cone-shaped structure, and the steel needle penetrates through the bottom of the cone-shaped structure.

6. A hermetic medicine dispensing connection tube as claimed in claim 1, wherein the bottle stopper puncturing needle comprises a bottle stopper seat, a third connecting portion disposed at the top of the bottle stopper seat, and a puncturing portion disposed at the bottom of the bottle stopper seat, wherein a second medicine passage is disposed in the third connecting portion, and the second medicine passage penetrates through the puncturing portion.

7. A closed type dispensing connection pipeline as claimed in claim 6, wherein a mounting seat extends from a side edge of the bottle plug seat, an air inlet plug is arranged in the mounting seat, an air filtering membrane is arranged between the air inlet plug and the mounting seat, and a third air channel communicated with the air inlet plug is arranged in the puncturing part.

8. A closed type dispensing and connecting pipeline as claimed in any one of claims 1 to 7, wherein the first needle seat and the steel needle are bonded through epoxy resin;

9. A closed dispensing connection line according to any of claims 1 to 7, wherein a medical liquid filter is provided on the conduit between the stopper puncture needle and the vial insertion needle.

10. The closed dispense connection line according to any of claims 1 to 7, wherein the vial is replaced with an amp vial.