CN207401009U - A kind of newborn is with Curosurf parenteral solution drug delivery device - Google Patents

Abstract

The utility model discloses a drug delivery device for porcine lung phospholipid injection for newborns, which comprises a liquid storage ball, a liquid injection plug, an oxygen injection catheter, an oxygen supply injector, a liquid supply injector, a first one-way valve, and a second one-way valve. Valve, liquid supply conduit and diffusion head; there is a liquid storage ball between the liquid supply conduit and the oxygen injection conduit, and the liquid storage ball is provided with a liquid injection port, an oxygen supply port, and an output port; the top of the liquid storage ball is provided with a liquid injection plug ,The liquid injection plug is set on the liquid injection port, and an oxygen injection catheter is provided between the liquid storage ball and the oxygen supply syringe. One end of the oxygen injection catheter is connected to the liquid storage ball oxygen supply port, and the other end is connected to the oxygen supply syringe through a needle seat. A liquid supply syringe is provided on the top of the ball, and the needle of the liquid supply syringe is inserted into the liquid injection port through the liquid injection plug. A liquid supply conduit is provided between the diffusion head and the liquid storage ball, and the liquid supply conduit is connected to the output port. The utility model has the advantages of simple operation, avoiding waste and enhancing curative effect, and the cooperation of the liquid storage ball and the gas-liquid one-way valve effectively solves the reflux and leakage in the process of injecting the liquid medicine.

Description

A drug delivery device for pig lung phospholipid injection for neonates

technical field

The utility model relates to a drug delivery device, in particular to a drug delivery device for pig lung phospholipid injection for newborns.

Background technique

Neonatal Respiratory Distress Syndrome is a common clinical critical disease of newborns. Porcine Lung Phospholipid Injection (Guersu) is a natural surface active substance, which can be injected into the lower part of the trachea to effectively treat and prevent neonatal respiratory distress syndrome. sign. Y-type endotracheal catheters are often used abroad, that is, one interface continuously supplies oxygen, and the other interface injects drugs into the trachea. The therapeutic effect is good, but the catheter is expensive and has not been widely used in domestic hospitals. In addition, ordinary tracheal tubes are currently used clinically to inject the drug solution in batches and quickly. The disadvantage is that the distribution of porcine lung phospholipid injection in the lungs is not easy to be uniform, and the curative effect cannot be fully exerted. Improper operation may easily cause drug reflux, Leakage, so that the waste of liquid medicine.

Utility model content

The utility model aims at the deficiencies in the prior art, and provides a drug delivery device for porcine lung phospholipid injection for newborns, which can distribute the porcine lung phospholipid injection more evenly in the lungs, enhance the curative effect, and store liquid balls and gas-liquid The cooperation of the one-way valve effectively solves the backflow and leakage during the injection of the liquid medicine.

The technical scheme of the utility model for solving the above-mentioned technical problems is as follows: a drug delivery device for porcine lung phospholipid injection for neonates, comprising a liquid storage ball, a liquid injection plug, an oxygen injection catheter, an oxygen supply syringe, a liquid supply syringe, a first unit Directional valve, second one-way valve, liquid supply conduit and diffusion head; the liquid storage ball is located between the liquid supply conduit and the oxygen injection conduit, the top of the liquid storage ball is provided with a liquid injection port, and the storage ball One side of the liquid ball is provided with an oxygen supply port, and the other side of the liquid storage ball is provided with an output port; the liquid injection plug is made of rubber material, the liquid injection plug is cylindrical, the middle part of the liquid injection plug protrudes outward, and the liquid injection plug Set on the top of the liquid storage ball, the liquid injection plug is sleeved on the liquid injection port; the oxygen injection catheter is connected between the liquid storage ball and the oxygen syringe, and one end of the oxygen injection catheter is connected to The oxygen supply port of the liquid storage ball, the other end of the oxygen injection catheter is connected to the oxygen supply syringe through the needle seat; the oxygen supply syringe is arranged on the outside of the oxygen injection catheter, and the oxygen supply syringe is connected to the needle seat; The liquid supply syringe is set on the top of the liquid storage ball, and the needle of the liquid supply syringe is inserted into the liquid injection port through the liquid injection plug; the first one-way valve is set on the oxygen injection catheter, and the first one-way valve The valve is located between the oxygen supply port and the oxygen supply syringe, the first one-way valve is near the end of the liquid storage ball; the second one-way valve is set on the liquid supply conduit Above, the second one-way valve is located between the output port and the diffusion head, and the second one-way valve is at the end close to the liquid storage ball; the liquid supply conduit is set at the diffusion head Between the head and the liquid storage bulb, the liquid supply conduit communicates with the output port; the diffusion head is arranged at the end of the liquid supply conduit.

According to the above-mentioned device for administering porcine lung phospholipid injection for neonates, the liquid storage ball is spherical in shape, the liquid storage ball is made of plastic material, and the volume of the liquid storage ball is 2 to 4 milliliters. The liquid storage ball can meet the current conventional dosage of porcine lung phospholipid injection, and the liquid storage ball is made of plastic material for easy assembly.

In the above-mentioned administration device for porcine lung phospholipid injection for neonates, the upper end surface of the injection plug is closed, and the lower end surface is provided with a collar, and the diameter of the collar is smaller than the outer diameter of the injection port. The socket of the liquid injection plug is flexible, and the liquid injection plug fits with the liquid injection port through the socket, so that the airtightness is good.

According to the above-mentioned device for administering porcine lung phospholipid injection for neonates, the oxygen injection catheter is a clinical infusion catheter, and the syringe is a clinical syringe. The infusion catheter and the syringe adopt the existing technology, and the materials are convenient to obtain and the cost is low.

According to the above-mentioned device for administering porcine lung phospholipid injection for neonates, the liquid administration catheter is made of polyvinyl chloride. The liquid supply conduit is made of polyvinyl chloride, which has good flexibility.

According to the above-mentioned device for administering porcine lung phospholipid injection for neonates, the diffusion head is in the shape of an ellipsoid, and micro-diffusion nozzle holes are arranged on the diffusion head. The diffusion head can evenly spray the liquid medicine, which is beneficial to enhance the efficacy of the medicine, shorten the course of the disease, and help the children recover.

According to the above-mentioned device for administering porcine lung phospholipid injection for neonates, the one-way valve is an air-liquid one-way valve. The gas-liquid one-way valve is used to effectively solve the backflow and leakage during the injection of the liquid medicine.

The beneficial effects of the utility model are: the utility model is provided with a liquid storage ball between the liquid supply conduit and the oxygen injection conduit, the liquid storage ball is provided with a liquid injection port, an oxygen supply port, and an output port; the top of the liquid storage ball is provided with an injection port. Liquid plug, the liquid injection plug is set on the liquid injection port, an oxygen injection catheter is provided between the liquid storage ball and the oxygen supply syringe, one end of the oxygen injection catheter is connected to the liquid storage ball oxygen supply port, and the other end is connected to the oxygen supply syringe through the needle seat, A liquid supply syringe is provided on the top of the liquid storage ball, and the needle of the liquid supply syringe is inserted into the liquid injection port through the liquid injection plug. A liquid supply conduit is provided between the diffusion head and the liquid storage ball, and the liquid supply conduit is connected to the output port. The utility model can distribute the porcine lung phospholipid injection more evenly in the lung, is simple to operate, avoids waste, and enhances the curative effect, and the cooperation of the liquid storage ball and the gas-liquid one-way valve effectively solves the reflux in the process of injecting the liquid medicine and leakage.

Description of drawings

Fig. 1 is the cross-section structural schematic diagram of the porcine lung phospholipid injection drug delivery device for neonates;

Fig. 2 is a three-dimensional structural schematic diagram of a pig lung phospholipid injection drug delivery device for neonates;

Fig. 3 is a schematic diagram of the front view of the administration device for porcine lung phospholipid injection for neonates.

Detailed ways

In order to make the above purpose, features and advantages of the present utility model more obvious and understandable, the specific implementation of the present utility model will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a full understanding of the present invention. However, the utility model can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below limit.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used herein in the description of the utility model is only for the purpose of describing specific implementations, and is not intended to limit the utility model.

As shown in Fig. 1, Fig. 2 and Fig. 3, a porcine lung phospholipid injection administration device for neonates is provided, including a liquid storage ball 1, a liquid injection plug 2, an oxygen injection catheter 3, an oxygen supply syringe 4, a liquid supply Syringe 5, first one-way valve 6, second one-way valve 7, liquid supply conduit 8 and diffusion head 9; said liquid storage ball 1 is located between said liquid supply conduit 8 and said oxygen injection conduit 3 Between, the top of the liquid storage ball 1 is provided with a liquid injection port 101, one side of the liquid storage ball 1 is provided with an oxygen supply port 102, and the other side of the liquid storage ball 1 is provided with an output port 103; the liquid injection plug 2 is made of rubber , the liquid injection plug 2 is cylindrical, the middle part of the liquid injection plug 2 protrudes outward, the liquid injection plug 2 is arranged on the top of the liquid storage ball 1, and the liquid injection plug 2 is set on the above-mentioned liquid injection port 101 The oxygen injection catheter 3 is connected between the liquid storage ball 1 and the oxygen supply syringe 4, one end of the oxygen injection catheter 3 is connected to the oxygen supply port 102 of the liquid storage ball 1, and the other end of the oxygen injection catheter 3 is connected through a needle seat An oxygen supply injector 4; the oxygen supply injector 4 is arranged on the outside of the oxygen injection conduit 3, and the oxygen supply injector 4 is connected to the needle seat; the described liquid supply injector 5 is arranged on the described liquid storage At the top of the ball 1, the needle of the liquid supply syringe 5 is inserted into the liquid injection port 101 through the liquid injection plug 2; the first one-way valve 6 is set on the oxygen injection catheter 3, and the first one-way valve 6 is located on the Between the oxygen supply port 102 and the oxygen supply syringe 4, the first one-way valve 6 is located near the end of the liquid storage ball 1; the second one-way valve 7 is arranged at the end of the liquid supply On the conduit 8, the second one-way valve 7 is located between the output port 103 and the diffusion head 9, and the second one-way valve 7 is located near the end of the liquid storage ball 1; the liquid supply The conduit 8 is disposed between the diffusion head 9 and the liquid storage bulb 1 , and the liquid supply conduit 8 is connected to the output port 103 ; the diffusion head 9 is disposed at the end of the liquid supply conduit 8 .

According to the above-mentioned administration device for porcine lung phospholipid injection for neonates, the liquid storage ball 1 is spherical in shape, the liquid storage ball 1 is made of plastic material, and the volume of the liquid storage ball 1 is 2 to 4 ml. The liquid storage ball 1 can meet the conventional dosage of porcine lung phospholipid injection, and the liquid storage ball 1 is made of plastic material for easy assembly.

As described above, a drug delivery device for pig lung phospholipid injection for neonates, the upper end surface of the injection plug 2 is closed, and the lower end surface is provided with a collar, and the diameter of the collar is smaller than the injection port 101 outside diameter. The socket of the liquid injection plug 2 is flexible, and the liquid injection plug 2 fits with the liquid injection port 101 through the socket, so that the airtightness is good.

As for the administration device for porcine lung phospholipid injection for newborns as described above, the oxygen injection catheter 3 is a clinical infusion catheter, and the syringe is a clinical syringe. The infusion catheter and the syringe adopt the existing technology, and the materials are convenient to obtain and the cost is low.

In the above-mentioned device for administering porcine lung phospholipid injection for neonates, the liquid supply conduit 8 is made of polyvinyl chloride. The liquid supply conduit 8 adopts polyvinyl chloride to make, and flexibility is good.

In the aforementioned device for administering porcine lung phospholipid injection for newborns, the diffusion head 9 is in the shape of an ellipsoid, and the diffusion head 9 is provided with micro-diffusion spray holes. The diffusion head 9 can evenly spray the medicinal liquid, which is conducive to enhancing the medicinal effect, shortening the duration of the disease, and helping children recover.

According to the above-mentioned device for administering porcine lung phospholipid injection for neonates, the one-way valve is an air-liquid one-way valve. The gas-liquid one-way valve is used to effectively solve the backflow and leakage during the injection of the liquid medicine.

Before the utility model is administered, the basic conditions of the children should be closely observed to keep their conditions stable. In order to prevent the accumulation of airway secretions from hindering the uniform distribution of drugs, the secretions in the airway should be completely removed before endotracheal intubation to keep the airway open. Gursu is a biological preparation and should be stored at low temperature. It must be rewarmed to about 37 degrees Celsius before use. It can be warmed in the hands or placed in an incubator for rewarming. Gently turn the medicine bottle to mix the medicine evenly. Take it out with a sterile syringe, and pay attention to avoid foaming during the dissolution process.

When the utility model is used, the child lies supine on an infrared radiation table, the blood oxygen saturation is analyzed percutaneously, the secretions of the oral and nasal cavity are cleaned up, and the tracheal intubation is performed in an aseptic operation. After 2 min, the transcutaneous oxygen saturation reached 95%. Pump the porcine lung phospholipid injection preheated to 37°C into a 3ml plastic storage ball, and after strictly disinfecting the outer wall of the tracheal feeding catheter, put the soft feeding solution specially designed to deliver surfactants with a diffusion head at the end The catheter is sent into the endotracheal tube, and then the oxygen syringe is used to quickly draw air and inject it into the sphere, pushing the liquid medicine into the special catheter until it reaches the lungs.

The utility model can distribute the porcine lung phospholipid injection more evenly in the lung, is simple to operate, avoids waste, and enhances the curative effect, and the cooperation of the liquid storage ball and the gas-liquid one-way valve effectively solves the reflux in the process of injecting the liquid medicine Timely supplementation of pulmonary surfactant can effectively improve the survival rate of children and make premature babies tide over difficulties.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (7)

1. a kind of newborn is with Curosurf parenteral solution drug delivery device, it is characterised in that：It is led including liquid storage ball, fluid injection plug, note oxygen Pipe, oxygen supply syringe, to liquid syringe, the first check valve, the second check valve, to fluid catheter and diffusion tip；The liquid storage ball It is given positioned at described between fluid catheter and the note oxygen conduit, liquid storage top dome portion is equipped with liquid injection port, and liquid storage ball one side is equipped with and gives Oxygen mouth, liquid storage ball opposite side are equipped with delivery outlet；The fluid injection plug uses rubber material, and fluid injection plug is cylinder, in fluid injection plug Portion is outwardly, and fluid injection plug is arranged on the top of the liquid storage ball, and fluid injection plug sleeve is located in the liquid injection port；Described Note oxygen conduit is connected between the liquid storage ball and oxygen supply syringe, and note oxygen tube at one end connection liquid storage ball oxygen supply mouth notes oxygen The conduit other end connects oxygen supply syringe by needle stand；The oxygen supply syringe is arranged on the outside of the note oxygen conduit, Oxygen supply syringe is connected with the needle stand；Described is arranged on the liquid storage top dome end to liquid syringe, to liquid syringe Syringe needle is inserted by fluid injection plug inside liquid injection port；First check valve is arranged on the note oxygen conduit, and first is unidirectional Between the oxygen supply mouth and the oxygen supply syringe, the first check valve is in close to described liquid storage ball one end valve； Second check valve is arranged on described on fluid catheter, and the second check valve is located at the delivery outlet and the diffusion Between head, the second check valve is in close to described liquid storage ball one end；It is described to fluid catheter be arranged on the diffusion tip with Between the liquid storage ball, give fluid catheter connection the delivery outlet；The diffusion tip, which is arranged on, described gives fluid catheter end End.

2. a kind of newborn according to claim 1 is with Curosurf parenteral solution drug delivery device, it is characterised in that：Described Liquid storage ball is spherical, and liquid storage ball uses plastic material, and liquid storage ball volume is 2 to 4 milliliters.

3. a kind of newborn according to claim 1 is with Curosurf parenteral solution drug delivery device, it is characterised in that：Described End face is closed beyond the Great Wall for fluid injection, and lower face is equipped with running-on, and the running-on bore is less than the liquid injection port outer diameter.

4. a kind of newborn according to claim 1 is with Curosurf parenteral solution drug delivery device, it is characterised in that：Described Oxygen conduit is noted using transfusion catheter clinically, the syringe is using syringe clinically.

5. a kind of newborn according to claim 1 is with Curosurf parenteral solution drug delivery device, it is characterised in that：Described Polyvinyl chloride material is used to fluid catheter.

6. a kind of newborn according to claim 1 is with Curosurf parenteral solution drug delivery device, it is characterised in that：Described Diffusion tip is in elliposoidal, and diffusion tip is equipped with micro- diffusion spray orifice.

7. newborn according to claim 1 is with Curosurf parenteral solution drug delivery device, it is characterised in that：Described is unidirectional Valve is gas-liquid check valve.