阅读说明：本技术 一种针剂移药过滤器 (Injection medicine moving filter ) 是由 不公告发明人 于 2020-07-03 设计创作，主要内容包括：一种针剂移药过滤器,包括插接针1、插接针2、液体通道1、液体通道2、气体通道1、气体通道2、活塞、活塞推动杆、针剂药瓶固定装置、针剂移药过滤器本体；其特征在于：本发明具有液体通道和两个独立不相通的气体通道；通过改变气体通道内的气压及及气流方向,进而改变输液瓶及药瓶内的压差,达到输液瓶与药瓶之间液体的输出方向及输出量；操作简便,减少污染,配药时间短,应用范围广,不局限于软体输液瓶,也可以用于硬体输液瓶(玻璃瓶),不局限于粉针剂药瓶,也可以用于水针剂瓶,并有效减少过滤不溶性微粒。(An injection medicine moving filter comprises an insertion needle 1, an insertion needle 2, a liquid channel 1, a liquid channel 2, a gas channel 1, a gas channel 2, a piston push rod, an injection medicine bottle fixing device and an injection medicine moving filter body; the method is characterized in that: the invention has a liquid channel and two independent and non-communicated gas channels; the pressure difference in the infusion bottle and the medicine bottle is changed by changing the air pressure and the air flow direction in the air channel, so that the output direction and the output quantity of the liquid between the infusion bottle and the medicine bottle are achieved; the method has the advantages of simple operation, pollution reduction, short dispensing time and wide application range, is not limited to soft infusion bottles, can also be used for hard infusion bottles (glass bottles), is not limited to powder injection medicine bottles, can also be used for water injection bottles, and effectively reduces the filtration insoluble particles.)

1. An injection medicine transferring filter comprises an insertion needle 1, an insertion needle 2, a liquid inlet and outlet hole 1, a liquid inlet and outlet hole 2, a liquid channel 1, a liquid channel 2, a gas inlet and outlet hole 1, a gas inlet and outlet hole 2, a gas inlet and outlet 1, a gas inlet and outlet 2, a gas channel 1, a gas channel 2, a piston push rod, an injection medicine bottle fixing device and an injection medicine transferring filter body; the method is characterized in that: the invention has a liquid channel and two independent and non-communicated gas channels; the pressure difference in the infusion bottle and the medicine bottle is changed by changing the air pressure and the air flow direction in the air channel, so that the output direction and the output quantity of the liquid between the infusion bottle and the medicine bottle are achieved; the liquid inlet and outlet holes 1 and the air inlet and outlet holes 1 are respectively positioned at the bottoms of the two sides of the insertion needle 1, and the liquid inlet and outlet holes 2 and the air inlet and outlet holes 2 are respectively positioned at the bottoms of the two sides of the insertion needle 2; the liquid inlet and outlet holes 1 are communicated with the liquid inlet and outlet holes 2 through liquid channels.

2. The injection drug transfer filter according to claim 1, characterized in that: the gas inlet and outlet 1 is not communicated with the gas inlet and outlet 2, the gas inlet and outlet 1 is communicated with the gas inlet and outlet 1 to form a gas channel 1, the gas inlet and outlet 2 is communicated with the gas inlet and outlet 2 to form a gas channel 2, the gas inlet and outlet 1 and the gas inlet and outlet 2 are respectively positioned in the space at two sides of the piston and are separated by the piston, and the gas pressure and the gas flowing direction in the gas channel are changed by the piston in the gas channel or an external gas pressure facility.

3. The injection drug transfer filter according to claim 1, characterized in that: a liquid channel is arranged between the liquid inlet and outlet hole 1 and the liquid inlet and outlet hole 2, the liquid channel can be an integral pipeline or two pipelines with different diameters, the outer diameter of the liquid channel 1 is smaller than the inner diameter of the liquid channel 2, the liquid channel 1 is inserted into the liquid channel of the liquid channel 2, and one to a plurality of liquid filtering materials can be arranged at any position in the liquid channel.

4. The injection drug transfer filter according to claim 1, characterized in that: the air inlet and outlet 1 and 2 at the two ends of the injection medicine transferring filter body are separated by a piston, the section shape of the injection medicine transferring filter body can be any suitable shape such as a circle, an ellipse, a square and the like, and the injection medicine transferring filter body can be printed with scales.

5. The injection drug transfer filter according to claim 3, characterized in that: the liquid channel is an integral pipeline, the piston is matched with the inner wall of the injection medicine moving filter body and is connected with the piston through a piston push rod, a sealing device is arranged at one end, close to the insertion needle 1, of the injection medicine moving filter body to prevent gas from leaking through a gap between the piston push rod and the injection medicine moving filter body, and a sealing device is arranged at one end, close to the insertion needle 1, of the liquid channel to prevent gas from leaking through a gap between the liquid channel and the piston push rod; or two pipelines with different diameters, the piston push rod, the plug pin 1, the liquid channel 1 and the gas channel 1 are integrated, and the air inlet and outlet hole 1 is arranged at one end of the piston close to the plug pin 2; the plug needle 2, the liquid channel 2 and the gas channel 2 are integrated, and the air inlet and outlet hole 2 is arranged at one end of the piston close to the plug needle 1.

6. The injection drug transfer filter according to claim 1, characterized in that: the powder injection medicine bottle fixing device is provided with a base, one or more clamping strips extend out of the base, the clamping strips have certain radian, the clamping strips are provided with inclined buckles, the inclination of the buckles can be 0-90 degrees, and the powder injection medicine bottle fixing device can also be arranged in a bottle cap shape with the buckles; the injection medicine bottle fixing device is provided with an inner bottle plug (which is in a conical shape or a trapezoidal bulge), a bottle body fixing sleeve (which is in a horn mouth shape or an inverted conical shape) and elastic material.

7. The injection drug transfer filter according to claim 1, characterized in that: the inserting needle can be integrated with the medicine moving filter or connected with the medicine moving filter through the interface, and the inserting needle can be made of plastic materials or metal materials or both.

Technical Field

The invention relates to the technical field of medical appliances, in particular to an injection medicine transferring filter.

Background

The device for the clinical medicine dispensing treatment method comprises a disposable medicine dispensing syringe and a disposable medicine dispenser, wherein the operation method of the disposable medicine dispensing syringe is that an operator inserts the disposable medicine dispensing syringe into an infusion bottle firstly to suck a small amount of liquid, then extracts the liquid, inserts the liquid into the injection bottle and injects the liquid, extracts the liquid into the disposable medicine dispensing syringe after the medicine powder is dissolved, and finally inserts the disposable medicine dispensing syringe into the infusion bottle firstly to inject the liquid medicine and then extracts the liquid medicine; the operation method of the disposable medicine dispenser comprises the steps that an operator inserts needles at two ends of the disposable medicine dispenser into an injection medicine bottle and a soft infusion bottle respectively, the soft infusion bottle is placed upside down above the injection medicine bottle, liquid in the soft infusion bottle flows into the injection medicine bottle by squeezing the soft infusion bottle, after medicine powder in the injection medicine bottle is dissolved, the injection medicine bottle is placed upside down above the soft infusion bottle, and then the medicine liquid flows into the squeezing soft infusion bottle by squeezing the soft infusion bottle; the disposable dispensing injector has the disadvantages of complicated process, easy infection, incapability of filtering insoluble particles, narrow application range, only being used for soft infusion bottles and only powder injection medicine bottles and slow liquid medicine circulation speed.

Disclosure of Invention

The invention provides an injection medicine transferring filter, and aims to solve the defects in the prior art.

The technical scheme adopted by the invention for solving the defects is as follows:

an injection medicine transferring filter comprises an insertion needle 1, an insertion needle 2, a liquid inlet and outlet hole 1, a liquid inlet and outlet hole 2, a liquid channel 1, a liquid channel 2, a gas inlet and outlet hole 1, a gas inlet and outlet hole 2, a gas inlet and outlet 1, a gas inlet and outlet 2, a gas channel 1, a gas channel 2, a piston push rod, an injection medicine bottle fixing device and an injection medicine transferring filter body; the method is characterized in that: the invention has a liquid channel and two independent and non-communicated gas channels; the pressure difference in the infusion bottle and the medicine bottle is changed by changing the air pressure and the air flow direction in the air channel, so that the output direction and the output quantity of the liquid between the infusion bottle and the medicine bottle are achieved; the liquid inlet and outlet holes 1 and the gas inlet and outlet holes 1 are respectively positioned at the bottoms of two sides of the insertion needle 1, the liquid inlet and outlet holes 2 and the gas inlet and outlet holes 2 are respectively positioned at the bottoms of two sides of the insertion needle 2, the bottoms of two sides of the insertion needle are particularly close to the inner wall of a bottle cap after the insertion needle is inserted into the bottle cap, and the liquid inlet and outlet holes and the gas inlet and outlet holes are positioned at the bottoms of two sides of the insertion needle for the purpose of reducing the residual amount of liquid medicine in a medicine bottle when the liquid inlet and outlet holes are used for introducing liquid and reducing the probability of mistakenly introducing liquid into a gas passage when the gas inlet and outlet holes are used for introducing gas into the bottle; the liquid inlet and outlet hole 1 is communicated with the liquid inlet and outlet hole 2 through a liquid channel, so that liquid can flow between an injection medicine bottle and an infusion bottle; the two ends of the injection medicine transferring filter body are respectively provided with an air inlet and outlet 1 and an air inlet and outlet 2, and the pressure of an injection medicine bottle and an infusion bottle is changed by the change of the air pressure and the air flow direction in the injection medicine transferring filter body through the air inlet and outlet 1 and the air inlet and outlet 2.

Further preferably: the air inlet and outlet 1 is not communicated with the air inlet and outlet 2, the air inlet and outlet 1 is communicated with the air inlet and outlet 1 to form an air passage 1, the air inlet and outlet 2 is communicated with the air inlet and outlet 2 to form an air passage 2, the air pressure and the air flow direction in the air passage are changed by a piston in the injection transfer filter body, the air inlet and outlet 1 and the air inlet and outlet 2 are respectively positioned in the two side spaces of the piston and are separated by the piston, when the piston in the injection transfer filter body slides towards the inlet and plug needle 1, the air is discharged into an infusion bottle through the air inlet and outlet 2 and the air inlet and outlet 2, the air pressure in the infusion bottle is increased to press the liquid in the infusion bottle to enter the liquid inlet and outlet 2 and flow into an injection bottle through the liquid inlet and outlet 1, when the piston in the injection transfer filter body slides towards the inlet and plug needle 1, the cavity of, gas in the injection medicine bottle can be sucked through the gas inlet and outlet 1 and the gas inlet and outlet 1, so that the gas pressure in the injection medicine bottle is reduced, the liquid in the infusion bottle is accelerated to enter the injection medicine bottle, and vice versa; the liquid flow can be controlled by sliding the piston amplitude in the injection medicine moving filter body.

Preferably, a liquid channel is arranged between the liquid inlet and outlet hole 1 and the liquid inlet and outlet hole 2 and is a pipeline with two different diameters, the outer diameter of the liquid channel 1 is smaller than the inner diameter of the liquid channel 2, the liquid channel 1 is inserted into the liquid channel 2, and a liquid filtering material is arranged in the middle of the liquid channel 2.

Preferably, the air inlet and outlet 1 and the air inlet and outlet 2 at the two ends of the injection medicine moving filter body are separated by a piston, the section of the injection medicine moving filter body is cylindrical, milliliter scale marks are printed on one side of the injection medicine moving filter body, and the liquid flow is controlled according to the milliliter scale marks.

Preferably, the piston is matched with the inner wall of the injection medicine transferring filter body and is provided with two pipelines with different diameters, the piston push rod, the inserting needle 1, the liquid channel 1 and the gas channel 1 are integrated, the air inlet and outlet 1 is arranged on the piston and is close to one end of the inserting needle 2, the liquid channel 2 and the gas channel 2 are integrated, and the air inlet and outlet 2 is arranged on the piston and is close to one end of the inserting needle 1.

Preferably, the powder injection medicine bottle fixing device is provided with a base, two clamping strips extend out of the base, the two clamping strips are in a straight line, each clamping strip has a certain radian, each clamping strip is provided with a slope buckle, the slope can be 75-30 degrees, the clamping strips are fixed on the insertion needle 1 through the base, and the powder injection medicine bottle fixing device is made of a certain elastic material; the injection medicine bottle fixing device is provided with an inner bottle plug (in a conical bulge) and a bottle body fixing sleeve (in an inverted conical shape), the inner bottle plug is fixed on the insertion needle 1 and is made of an elastic material (such as silicon rubber).

The inserting needle can be integrated with the medicine moving filter and can also be connected with the medicine moving filter through the interface, the inserting needle is connected with the medicine moving filter through the interface, so that the inserting needle with different models can be conveniently selected in application, further optimization is realized, the manufacturing is convenient, the cost is saved, the inserting needle 1 is integrated with the piston push rod in production, the inserting needle 2 is integrated with the medicine moving filter body, and the inserting needle is preferably made of plastic materials.

Compared with the prior art, the invention has the following advantages: the method has the advantages of simple operation, pollution reduction, short dispensing time and wide application range, is not limited to soft infusion bottles, can also be used for hard infusion bottles (glass bottles), is not limited to powder injection medicine bottles, can also be used for water injection bottles, and effectively reduces the filtration insoluble particles.

Drawings

FIG. 1 is a schematic diagram of an injection pipetting filter according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an injection medicine transferring filter body according to an embodiment of the invention.

FIG. 3 is a schematic diagram of a piston structure of an injection pipetting filter according to an embodiment of the invention.

Fig. 4 is a schematic structural view of a medicine bottle fixing device of an injection medicine transferring filter in the embodiment of the invention.

Numbering in the figures: 11 insert needles 1, 12 insert needles 2, 21 insert needles 1, 22 insert needles 2, 31 insert needles 1, 32 insert needles 2, 41 insert needles 1, 42 insert needles 2, 43 insert needles 1, 44 insert needles 2, 51 insert needles 1, 52 insert needles 2, 6 pistons, 61 piston push rods, 7 powder injection bottle fixing devices, 71 bases, 72 clamping strips, 73 buckles, 8 powder injection bottle fixing devices, 81 bottle inner plugs, 82 bottle fixing sleeves, 9 injection medicine transferring filter bodies and 10 liquid filtering materials.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the described embodiments are only a part of the embodiments of the present invention, and are not limited to the following embodiments.

Referring to fig. 1-4, the injection transfer filter of the present embodiment includes 11 insertion needles 1, 12 insertion needles 2, 21 liquid inlet and outlet holes 1, 22 liquid inlet and outlet holes 2, 31 liquid passages 1, 32 liquid passages 2, 41 gas inlet and outlet holes 1, 42 gas inlet and outlet holes 2, 43 gas inlet and outlet holes 1, 44 gas inlet and outlet holes 2, 51 gas passages 1, 52 gas passages 2, 6 pistons, 7 powder injection medicine bottle fixing devices, 71 bases, 72 clamping strips, 73 buckles, 8 powder injection medicine bottle fixing devices, 81 bottle inner plugs, 82 bottle fixing sleeves, 9 injection transfer filter bodies, 10 liquid filter materials, 9 injection transfer filter bodies are cylindrical, two ends of the 9 injection transfer filter body are respectively provided with 43 gas inlet and outlet holes 1, 44 gas inlet and outlet holes 2, 43 gas inlet and outlet holes 1 are not communicated with 44 gas inlet and outlet holes 2, and are separated by 6 pistons in the 9 injection transfer filter bodies, 43 the inlet and outlet 1 and 41 are communicated with each other to form 51 a gas passage 1, 44 the inlet and outlet 2 and 42 are communicated with each other to form 52 a gas passage 2, and 31 the liquid passage 1 is inserted into 32 the liquid passage 2 to realize the communication.

Referring to fig. 2, in the present embodiment, the liquid filter material 10 is disposed in the middle of the liquid channel 2 32, and the insertion needle 2 12 is integrally fixed in the middle of the liquid channel 2 and the gas channel 2 of the liquid channel 2 and the gas channel 52 of the injection-removal filter body 9.

Referring to fig. 3, in this embodiment, the piston 6, the piston push rod 61, the insertion needle 1 11, the liquid channel 1 31, the gas channel 1 51 are integrated, the gas inlet and outlet hole 41 1 is fixed on one end of the piston close to the insertion needle 2, and the liquid channel 1 31 passes through the middle of the piston 6.

Referring to fig. 4, in this embodiment, the 81 injection medicine bottle fixing device is fixed at the bottom of one side of the 9 injection medicine moving filter body 11 insertion needle 1, the two clamping strips are in the same straight line, the 72 clamping strip has a certain radian, 73 buckles with slopes are arranged on the clamping strips, the slopes can be 75-30 degrees and are fixed on the 11 insertion needle 1 through the base, the medicine bottle cap is pushed to a certain position, and the 73 buckles clamp the bottle cap.

Any modification or addition made within the principles of the art to which the invention pertains, or substituted in a similar manner, shall fall within the scope of protection of the invention, without departing from the content of the present description or exceeding the scope defined by the claims.