阅读说明：本技术 一种通过外力作用的针剂移药过滤器 (Injection medicine moving filter under external force action ) 是由 不公告发明人 于 2020-07-03 设计创作，主要内容包括：一种通过外力作用的针剂移药过滤器,包括插接针1、插接针2、液体通道、气体通道1、气体通道2、通过外力作用的针剂移药过滤器本体；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,具有：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),有效减少过滤不溶性微粒。(An injection medicine moving filter under the action of external force comprises an insertion needle 1, an insertion needle 2, a liquid channel, a gas channel 1, a gas channel 2 and an injection medicine moving filter body under the action of external force; the invention has a liquid channel and two independent and non-communicated gas channels; through atmospheric pressure and the air current direction that changes in the gas passage, and then change the pressure differential in infusion bottle and the medicine bottle, reach the output direction and the output volume of liquid between infusion bottle and the medicine bottle, have: simple operation, less pollution, short dispensing time and wide application range, is not limited to soft infusion bottles, and can also be used for hard infusion bottles (glass bottles) to effectively reduce insoluble particles in filtration.)

1. An injection medicine transferring filter under the action of external force 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, an air inlet and outlet hole 1, an air inlet and outlet hole 2, an air channel 1, an air channel 2 and an injection medicine transferring filter body under the action of external force; the method is characterized in that: the invention has a liquid channel and two independent and non-communicated gas channels; by changing the air pressure and the air flow direction in the air channel, the pressure difference in the infusion bottle and the medicine bottle is further changed, and the output direction and the output quantity of the liquid between the infusion bottle and the medicine bottle are achieved.

2. The filter for injection transfer by external force according to claim 1, wherein 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 channel 1 is not communicated with the gas channel 2, and the gas pressure and the gas flow direction in the gas channel can be changed by an external gas pressure facility.

3. The injection medicine moving filter acted by external force according to claim 1, characterized in that: a liquid channel is formed between the liquid inlet and outlet hole 1 and the liquid inlet and outlet hole 2, and one or more liquid filtering membranes can be arranged at any position of the liquid channel between the liquid inlet and outlet hole 1 and the liquid inlet and outlet hole 2.

4. The injection medicine moving filter acted by external force according to claim 1, characterized in that: the gas inlet and outlet 1 and 2 are not communicated, and the shape of the gas channel can be any suitable shape such as circle, ellipse, square and the like.

5. The injection medicine moving filter acted by external force according to claim 1, characterized in that: the liquid outlet hole 1 and the air inlet and outlet hole 1 are respectively positioned at the bottoms of two sides of the inserting needle 1, the liquid outlet hole 1 and the air inlet and outlet hole 1 can also respectively and independently form the inserting needle, the liquid inlet and outlet hole 2 and the air inlet and outlet hole 2 are respectively positioned at the bottoms of two sides of the inserting needle 2, and the liquid outlet hole 2 and the air inlet and outlet hole 2 can also respectively and independently form the inserting needle.

6. The injection medicine moving filter acted by external force according to claim 1, characterized in that: the inserting needle can be integrated with the medicine moving filter and can also be connected with the medicine moving filter through the interface.

Technical Field

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

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 syringe has the disadvantages of complicated process, easy infection, incapability of filtering insoluble particles, narrow application range, only application to soft infusion bottles and low liquid medicine circulation speed.

Disclosure of Invention

The invention provides an injection medicine transferring filter under the action of external force, and aims to overcome 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 under the action of external force 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, an air inlet and outlet hole 1, an air inlet and outlet hole 2, an air channel 1, an air channel 2 and an injection medicine transferring filter body under the action of external force; 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 gas channel are respectively provided with a gas inlet and outlet 1 and a gas inlet and outlet 2, and the pressure of the injection medicine bottle and the infusion bottle can be changed by the change of the gas pressure and the gas flow direction in the gas channel through the gas inlet and outlet 1 and the gas inlet and outlet 2.

Preferably, 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, the gas inlet and outlet 2 is communicated with the gas inlet and outlet 2, and the gas pressure and the gas flowing direction in the gas channel can be changed through an external gas pressure facility; specifically, the external air pressure facility is discharged into the infusion bottle through the air channel 2, the air pressure in the infusion bottle is increased to press liquid in the infusion bottle to enter the liquid inlet and outlet hole 2 and flow into the injection medicine bottle through the liquid inlet and outlet hole 1, and meanwhile, the external air pressure facility sucks the gas in the injection medicine bottle through the air channel 1, so that the air 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 rate can be controlled by controlling the amount of gas output from the gas channel.

One or more liquid filtering membranes can be arranged at any position of the liquid channel between the liquid inlet and outlet holes 1 and the liquid inlet and outlet holes 2, and a further preferable scheme is that one liquid filtering membrane is arranged at the position of the middle part of the liquid channel.

The gas inlet and outlet 1 and the gas inlet and outlet 2 are not communicated, the gas channel is circular, and the gas inlet and outlet 1 and the gas inlet and outlet 2 independently extend out of the injection medicine transferring filter body under the action of external force.

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 further realized, the manufacturing is convenient, the cost is saved, and the inserting needle and the medicine moving filter are integrated in production.

Compared with the prior art, the invention has the following advantages: simple operation, less pollution, short dispensing time and wide application range, is not limited to soft infusion bottles, and can also be used for hard infusion bottles (glass bottles) to effectively reduce insoluble particles in filtration.

Drawings

Fig. 1 is a schematic structural view of an injection medicine transferring filter acted by external force in the embodiment of the invention.

Fig. 2 is a schematic diagram of the operation of an injection medicine moving filter under the action of external force according to the embodiment of the invention.

Numbering in the figures: 11 inserting needles 1 and 12 inserting needles 2 and 21, liquid inlet and outlet holes 1 and 22, liquid inlet and outlet holes 2 and 3, liquid channels 41, air inlet and outlet holes 1 and 42, air inlet and outlet holes 2 and 43, air inlet and outlet holes 1 and 44, air channels 1 and 6, air channels 2 and 7 pass through an injection medicine transferring filter body and a liquid filtering membrane 8 under the action of external force.

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, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the injection transfer filter by external force in this embodiment includes 11 insertion pins 1, 12 insertion pins 2, 21 liquid inlet and outlet holes 1, 22 liquid inlet and outlet holes 2, 3 liquid channels, 41 air inlet and outlet holes 1, 42 air inlet and outlet hole 2, 43 gas inlet and outlet 1, 44 gas inlet and outlet 2, 5 gas channel 1, 6 gas channel 2, 7 through the injection of external force effect move medicine filter body, 8 liquid filtration membrane, 5 gas channel is the cylindric, 5 gas channel 1 both ends are equipped with 41 gas inlet and outlet 1, 43 gas inlet and outlet 1, 41 gas inlet and outlet 1 communicates with 43 gas inlet and outlet 1 respectively, 6 gas channel 2 both ends are equipped with 42 gas inlet and outlet 2 and 44 gas inlet and outlet 2 respectively, 44 gas inlet and outlet 2 communicates with each other with 42 gas inlet and outlet 2, 5 gas channel 1 and 6 gas channel 2 do not communicate with each other, 21 liquid inlet and outlet 1 and 22 liquid inlet and outlet 2 realize communicating through 3 liquid channels.

Referring to fig. 1, the liquid filtering membrane 8 is arranged in the present embodiment at an intermediate position in the liquid passage 3.

Referring to fig. 2, when the infusion bottle of this embodiment delivers liquid to the vial, the external air pressure device inputs gas into the infusion bottle through the gas inlet/outlet 2 of 44 and the gas inlet/outlet 2 of 42 (gas channel 2), the pressure in the infusion bottle increases to press the liquid in the infusion bottle to enter the liquid inlet/outlet hole 22 and 2, and flow into the injection vial through the liquid inlet/outlet hole 21 and 1, and the external air pressure device sucks the gas in the injection vial through the gas inlet/outlet 1 of 43 and the gas inlet/outlet hole 1 of 41 (gas channel 1 of 5), so that the pressure in the injection vial is reduced, and the liquid in the infusion bottle is further accelerated to enter the injection vial.

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.