CN212490990U

CN212490990U - External nutrient solution transfusion assembly

Info

Publication number: CN212490990U
Application number: CN202020260865.2U
Authority: CN
Inventors: 卢金云; 余刚
Original assignee: Anhui Hongyu Wuzhou Medical Manufacturer Co ltd
Current assignee: Anhui Hongyu Wuzhou Medical Manufacturer Co ltd
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2021-02-09
Anticipated expiration: 2030-03-05

Abstract

The utility model relates to the technical field of medical equipment, in particular to an in vitro nutrient solution transfusion assembly, which comprises a transfusion pipeline, a mixing pipe and a switch mechanism for controlling the on-off of the transfusion pipeline; the transfusion pipeline comprises a transfusion liquid inlet pipe and a transfusion liquid outlet pipe, the transfusion liquid inlet pipe is provided with a plurality of liquid inlet ends, and each liquid inlet end is connected with a puncture outfit; the mixing tube is a hollow cylinder made of a material with transparency enough for observing the liquid level in the mixing tube; the scale is still carved with on the hybrid tube outer wall, the one end that is close to the big numerical value of scale on the hybrid tube is the hybrid tube feed liquor end, and the other end then is the hybrid tube feed liquor end, and the play liquid end of infusion feed liquor pipe is through cavity cylinder and hybrid tube intercommunication on the hybrid tube feed liquor end, and the cavity cylinder that the hybrid tube goes out the liquid end then communicates with the feed liquor end of infusion drain pipe, and the switching mechanism sets up on the infusion drain pipe outward. The external nutrient solution can be conveniently proportioned and transfused according to the requirement.

Description

External nutrient solution transfusion assembly

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an external nutrient solution transfusion system subassembly.

Background

Infusion of nutrient solutions in vitro has been an important treatment modality, providing essential calories and nutrients to the human body for critically ill patients who have not been able to take nutrients via the gastrointestinal tract.

Clinically, infusion is performed by total nutrient solution (TNA) or All-in-One (All-in-One). The nutrient elements such as carbohydrate, amino acid, fat emulsion, vitamin, microelement, electrolyte and water required by the organism are proportioned according to the needs of patients. But this mode is higher to medical personnel's requirement, needs to mix according to certain order ratio one by one to this mode is very strict to aseptic requirement, needs special place and equipment, and the hospital need put in a large amount of manpower and materials, so rarely hospital's conditional ratio of carrying out the nutrient solution. Therefore, pharmaceutical manufacturers have produced novel total nutrient solution products, separate substances such as fat emulsion, amino acid and glucose into two small bags or three small bags through the diaphragm bag, then communicate through modes such as extrusion when using, mix the back input through modes such as rocking, this product has avoided complicated ratio process, but its nutrient substance proportion is fixed, can't carry out the treatment of pertinence to patient's specific health condition, influences treatment.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defect of difficult proportioning of the in vitro nutrient solution and provides a simple and convenient in vitro nutrient solution transfusion assembly which is proportioned according to the requirement.

The in vitro nutrient solution transfusion component in the utility model comprises a transfusion pipeline, a mixing pipe and a switch mechanism for controlling the on-off of the transfusion pipeline; the infusion pipeline comprises an infusion liquid inlet pipe and an infusion liquid outlet pipe, the infusion liquid inlet pipe is provided with a plurality of liquid inlet ends, and each liquid inlet end is connected with a puncture outfit;

the mixing tube is a hollow cylinder, and the material of the mixing tube has transparency enough for observing the liquid level in the mixing tube; scales are further engraved on the outer wall of the mixing pipe, one end, close to the large numerical value of the scales, of the mixing pipe is a mixing pipe liquid inlet end, the other end of the mixing pipe is a mixing pipe liquid inlet end, hollow cylinders extend outwards from the end faces of the two ends of the mixing pipe, and the hollow cylinders and the mixing pipe form a passage;

the liquid outlet end of the infusion liquid inlet pipe is communicated with the mixing pipe through a hollow cylinder on the liquid inlet end of the mixing pipe, the hollow cylinder on the liquid outlet end of the mixing pipe is communicated with the liquid inlet end of the infusion liquid outlet pipe, and the switch mechanism is externally arranged on the infusion liquid outlet pipe.

Further, the switch mechanism is a flow regulator sleeved on the infusion liquid outlet pipe.

Furthermore, an air inlet is formed in the end portion of the puncture outfit, and an air inlet cover is covered on the air inlet.

Furthermore, a three-way joint is arranged on the infusion liquid inlet pipe, three joints of the three-way joint are respectively communicated with two liquid inlet ends and one liquid outlet end, and the liquid inlet ends are respectively sleeved with a flow stopping clamp.

Further, even there is the drip chamber on the infusion drain pipe, the drip chamber includes that drip chamber body and lid establish the drip chamber lid on the drip chamber body, it is protruding that the concentricity is equipped with first annular arch and second annular arch on the terminal surface of drip chamber lid medial extremity, this internal filter screen that still is equipped with of drip chamber, the filter screen is the cup, the mouth of filter screen is followed the joint and is in between the gap that first annular arch and the annular arch of second formed.

Further, the level is equipped with first filtration membrane in the dropping funnel, dropping funnel body inner wall both sides have all set firmly the arch, first filtration membrane is placed on the arch.

Furthermore, one end of the infusion liquid outlet pipe along the outflow end of the nutrient solution is connected with a screw joint, and one end of the screw joint is sleeved with a vein puncture piece.

Furthermore, the venipuncture piece is equipped with joint, infusion hose, filter house, vein pjncture needle, needle wing and vein pjncture needle sheath along going out the liquid direction in proper order, the filter house includes filter hopper, filter lid and second filtration membrane, second filtration membrane is violently put inside filter hopper.

Furthermore, the external nutrient solution transfusion assembly also comprises a magnetic machine, wherein the magnetic machine comprises a magnetic rotor and a magnetic machine body for generating an alternating magnetic field, and the magnetic rotor is positioned in the mixing pipe.

Further, the magnetic machine body comprises a tray and a shell, the tray is obliquely arranged on the shell, a baffle extends obliquely upwards from one end of the tray, which is lower than the tray, and a groove is formed in the middle of the baffle; the shell of the magnetic machine body extends out of a clamping part along one higher side of the tray, and the clamping part can be fixed on the transfusion rod.

The utility model discloses a setting of hybrid tube for various external nutrient solutions can be very convenient flow into the hybrid tube through respective infusion feed liquor pipe and mix, need not special place, equipment and personnel, practiced thrift a large amount of manpower and materials, the utility model discloses a switching mechanism closes the infusion pipeline, then can flow into the quantity of hybrid tube through the external nutrient solution of control, according to patient's different situation, according to the external nutrient solution of different proportion ratios, opens switching mechanism immediately and opens the infusion pipeline and can infuse, can be simple, convenient carry out the preparation of external nutrition infusion liquid according to needs.

Drawings

FIG. 1 is a schematic view of an extracorporeal nutrient solution infusion assembly according to a first embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic view of a magnetic machine of an extracorporeal nutrition solution infusion assembly according to a second embodiment of the present invention.

The reference numerals include:

the infusion device comprises an infusion pipeline 1, a switch mechanism 2, a flow stopping clamp 3, an infusion liquid inlet pipe 11, an infusion liquid outlet pipe 12, a three-way joint 13, a puncture outfit 4, an air inlet 41, a mixing pipe 5, a dropping funnel 6, a first annular protrusion 61, a second annular protrusion 62, a filter screen 7, a first filter membrane 8, a screw joint 9, a vein puncture piece 10, a joint 101, an infusion hose 102, a filter part 103, a vein puncture needle 104, a needle wing 105, a second filter membrane 1031, a magnetic machine 200, a magnetic machine body 201, a magnetic rotor 202, a tray 2011 and a shell 2012.

Detailed Description

Example one

In the present embodiment of the flow regulator, shown generally in FIG. 1, the extracorporeal nutrient solution infusion set includes an infusion line 1, a mixing tube 5, a switch mechanism 2 and a stop clamp 3, which may be made of polyethylene or polypropylene polymer.

The transfusion pipeline 1 comprises a transfusion liquid inlet pipe 11 and a transfusion liquid outlet pipe 12, the transfusion liquid inlet pipe 11 is provided with two liquid inlet ends and one liquid outlet end, the two liquid inlet ends are connected with a puncture outfit 4, a three-way joint 13 is arranged on the transfusion liquid inlet pipe 11, the three-way joint 13 is communicated with the two liquid inlet ends and the liquid outlet end through hoses, a flow stopping clip 3 is sleeved on the hose between the liquid inlet end and the three-way joint 3, and the flow stopping clip 3 controls the on-off of the hose in an extruding mode, so that the transfusion amount of the in-vitro nutrient solution is controlled.

The liquid outlet end of the transfusion liquid inlet pipe 11 is connected with the mixing pipe 5, the other end of the mixing pipe 5 is connected with a transfusion liquid outlet pipe 12, a flow regulator is sleeved on the transfusion liquid outlet pipe 12 and can be used for regulating the flow of nutrient solution and controlling the dropping speed so as to adapt to different body conditions of different patients, and the transfusion liquid outlet pipe 12 can be opened and closed to realize the opening and closing of a transfusion pipeline. As shown in fig. 1, the flow regulator in this embodiment adopts a design common in the prior art, and uses an eccentrically rotatable pressing wheel to press the infusion liquid outlet tube 12 to change the cross-sectional area of the pressed portion of the infusion liquid outlet tube 12, so as to change the flow velocity.

The mixing pipe 5 is a hollow cylinder, scales are also engraved on the outer wall of the mixing pipe, one end of the mixing pipe, which is close to the large numerical value of the scales, is a mixing pipe liquid inlet end, the other end of the mixing pipe is a mixing pipe liquid inlet end, a hollow cylinder extends outwards from the end surfaces of the two ends of the mixing pipe, and the hollow cylinder and the mixing pipe form a passage; the liquid outlet end of the transfusion liquid inlet pipe 11 is communicated with the mixing pipe through a hollow cylinder on the liquid inlet end of the mixing pipe, and the hollow cylinder on the liquid outlet end of the mixing pipe is communicated with the liquid inlet end of the transfusion liquid outlet pipe 12.

The surface of the mixing pipe 5 is marked with scales, and the polyethylene or polypropylene polymer material has certain transparency, so that medical workers can observe the liquid level inside the mixing pipe, and the medical workers can conveniently control the proportion of the nutrient solution according to the scales.

The puncture outfit 4 is also sleeved with a puncture outfit protective sleeve, the puncture outfit 4 can be inserted into different nutrient solutions, thereby facilitating the medical care personnel to carry out different nutrient solution infusion simultaneously and saving the infusion time. All be equipped with air inlet 41 on two puncture outfits 4, make air and atmosphere intercommunication in the nutrition bag, let the liquid in the nutrition bag smoothly leave, air inlet 41 is including admitting air lid and air inlet body, the air inlet body is the cavity cylinder, it is equipped with the cylinder that a diameter is less than the air inlet body to admit air to cover, when admitting air lid fits the air inlet body, the cavity cylinder outer wall that admits air the lid closely laminates in air inlet body inner wall, this internal filtration membrane that is provided with of air inlet, can filter the impurity in the air.

Even there is drip chamber 6 on infusion drain pipe 12, and drip chamber 6 includes drip chamber body and drip chamber lid, and the drip chamber body is hollow cylinder, and one end is the opening, and drip chamber lid can fit on the opening, and the drip chamber body supports drip chamber lid bottom and hugs closely drip chamber lid inner wall, can pass through sticky or welded connection between drip chamber body and the drip chamber lid. The center of the dropping funnel cover is provided with a first through pipe extending from two sides, the first through pipe is a hollow cylinder, one end of the first through pipe extends into the dropping funnel body, and the other end of the first through pipe extends outwards and is inserted into the infusion liquid inlet pipe 11 to form a passage.

The liquid outlet end of the drip funnel body is provided with a second through pipe which is a hollow cylinder, the second through pipe extends outwards from the center of the drip funnel body to the outside of the drip funnel body and is connected to the liquid outlet pipe 12, and the outer diameter of the second through pipe is slightly smaller than the inner diameter of the liquid outlet pipe 12, so that the second through pipe is just inserted into the liquid outlet pipe 12 to form a liquid path. A filter screen 7 is further arranged in the drip chamber 6, the filter screen 7 is cylindrical, and an opening is formed in one end, facing the cover of the drip chamber, of the filter screen 7 and extends out of the connecting part. As shown in fig. 2, a first annular protrusion 61 and a second annular protrusion 62 are concentrically disposed on the inner end surface of the drip chamber cover, and a gap capable of clamping the edge of the filter screen 7 is formed therebetween.

The aperture of the filter screen 7 is 12 μm, which can filter large particles formed by gathering substances in most in vitro nutrient solution, ensure the safety of in vitro nutrient solution infusion and avoid adverse reaction of patients. And adopt three-dimensional cylindricality filter screen 7, when gathering the particulate matter and block up some meshes in filtering, external nutrient solution still can pass through other meshes of cylindricality filter screen 7, has guaranteed the smoothness nature of external nutrient solution infusion.

A first filtering membrane 8 is arranged below the filtering net 7. The both sides of dropping funnel body inner wall all set firmly the arch, and the arch is located filter screen 7 below, and two archs are in same horizontal plane for first filtration membrane 8 can stably place on the arch on dropping funnel body inner wall. The first filtering membrane 8 is in a disc shape, the aperture of the first filtering membrane 8 is 5 microns, smaller aggregated particles can be filtered, the filtering precision of the in vitro infusion liquid is ensured, and adverse reactions such as fever, phlebitis and the like caused by infusion of particles into a human body are further avoided.

The end of the transfusion liquid outlet pipe 12 along the outflow end of the nutrient solution is connected with a screw joint 9, and the transfusion hose 102 can be connected with various types of intravenous puncture needles 104 more firmly by adopting the screw joint 9.

One end of the screw joint 9 is sleeved with a vein puncture piece 10, and the vein puncture piece 10 is sequentially provided with a joint 101, a transfusion hose 102, a filtering part 103, a vein puncture needle 104, a needle wing 105 and a vein puncture needle sheath along the liquid outlet direction. The connector 101 can be matched and connected with the screw connector 9, the hose is connected with the venipuncture needle 104, a venipuncture needle protective sleeve is sleeved on the venipuncture needle 104, and the needle wing 105 is sleeved at the tail end of the hose, so that medical personnel can conveniently hold the venipuncture needle 104 by hands to carry out venipuncture.

Still the intercommunication has filter house 103 on infusion hose 102, filter house 103 includes the filter funnel, filter lid and second filtration membrane 1031, the filter funnel is hollow cylinder, the one end of filter funnel is the opening, the filter lid can fit on this opening, the other end center that the filter was fought extends out filter funnel connecting portion, filter funnel connecting portion are the cylinder through-hole, the through-hole external diameter is slightly less than the hose diameter, so that the cylinder through-hole can insert in the hose and paste in infusion hose 102 inner wall, preferably, the cylinder through-hole external diameter reduces to the distal end gradually, the convenience assembles with the hose when producing.

The filter cover is a hollow cylinder with the diameter slightly larger than that of the filter hopper, one end of the filter cover is an opening, a small cylinder through hole extends out of the center of the other end of the filter cover, one end of the opening of the filter cover is connected to the filter hopper in a covering mode and is tightly attached to the filter hopper, and the filter cover and the filter hopper are generally bonded through UV glue. The aperture of the filter membrane is 3 μm, which can effectively filter the micro-polymer in the in vitro nutrient solution.

The working process of the embodiment is as follows: the medical staff firstly uses the normal saline to exhaust the air in the external nutrient solution transfusion component, and then inserts the puncture outfit 4 into the external nutrient solution. And closing the flow regulator, opening the flow stopping clamp 3 to enable the in-vitro nutrient solution to flow into the mixing pipe 5 for mixing, and opening the flow regulator after mixing is finished to adjust the speed to be suitable for the patient. The nutrient solution in vitro flows through the dropping funnel 6, the dropping funnel 6 filters the gathered polymer, then flows through the transfusion hose 102, enters the filtering part 103 for secondary filtering, filters smaller micro-polymer, and finally enters the human body of the patient through the intravenous needle to complete the transfusion.

Example two

The present embodiment is different from the previous embodiment in that a magnetic machine 200 is further included, and the magnetic machine 200 includes a magnetic machine body 201 and a magnetic rotor 202. Magnetic force rotor 202 is located mixing tube 5, can put into when production, the inside magnet steel that is of magnetic force rotor 202, the outside is wrapping up the polyethylene polymer, magnetic machine 200 utilizes the characteristic that like poles repel each other of magnetic substance, produce alternating magnetic field through the polarity at the electromagnet both ends in the constantly alternate magnetic force organism 201 of change current direction, the magnetic rotor drunkenness under alternating magnetic field's effect, and the rotation accompanies, the motion through the magnetic rotor drives the external nutrient solution in mixing tube 5, make external nutrient solution mix more fully, the therapeutic effect of external nutrient solution has been improved. In other embodiments, the magnetic body 201 includes a power supply, magnetic steel, and a motor capable of driving the magnetic steel to rotate; the posture of the magnetic steel is changed through mechanical movement, so that the direction of the magnetic force line relative to the magnetic rotor 202 is changed, and the effect of driving the magnetic rotor 202 to move in the mixing tube 5 can also be achieved.

As shown in fig. 3, the magnetic body 201 of the embodiment further includes a tray 2011 and a housing 2012, the tray 2011 is obliquely disposed on the housing 2012, and a baffle plate is obliquely extended upward from a lower end of the tray 2011, so that the mixing tube 5 can be obliquely placed on the tray 2011. Preferably, the middle part of the baffle is provided with a groove, so that the infusion liquid outlet pipe 12 connected with the mixing pipe 5 can be placed, the infusion liquid outlet pipe 12 is prevented from being bent, and the infusion circulation is ensured.

The housing 2012 of the magnetic machine 201 extends out of the clamping portion along the higher side of the tray 2011, and the clamping portion enables the magnetic machine 201 to be fixed on the infusion rod. The clamping part is two relative rectangular plates, and the one end that magnetic force organism 201 was kept away from to the rectangular plate is opened has relative through-hole, arranges the transfusion rod in two rectangular plates, then passes the through-hole with the bolt, screws up the nut, fixes magnetic force organism 201 on the transfusion rod.

The working process of the embodiment is as follows: medical personnel place the transfusion rod in the rectangular plate of magnetic force organism 201, make the bolt pass the through-hole, tighten the nut, fix magnetic force organism 201 on the transfusion rod. Then, the air in the in vitro nutrient solution infusion assembly is discharged by utilizing the normal saline, the puncture outfit 4 is inserted into the in vitro nutrient solution, the flow regulator is closed, the mixing tube 5 is placed on the tray 2011, and the flow stop clamp 3 is opened, so that the in vitro nutrient solution flows into the mixing tube 5. The power supply of the magnetic machine 200 is turned on, the magnetic machine body generates an alternating magnetic field, and the direction of the magnetic force line of the alternating magnetic field is changed all the time, so that the magnetic rotor 202 moves around in the mixing tube 5 under the action of the alternating magnetic field and also rotates along with the alternating magnetic field to fully stir and mix the nutrient solution in vitro in the mixing tube 5, the magnetic machine 200 is turned off after the mixing is finished, and the flow regulator is turned on to regulate the speed suitable for a patient. The nutrient solution in vitro flows through the dropping funnel 6, the dropping funnel 6 filters the gathered polymer, then flows through the transfusion hose 102, enters the filtering part for secondary filtering, filters smaller micro-polymer, and finally enters the human body of the patient through the intravenous needle to complete the transfusion.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The in vitro nutrient solution infusion assembly is characterized by comprising an infusion pipeline, a mixing pipe and a switch mechanism for controlling the on-off of the infusion pipeline; the infusion pipeline comprises an infusion liquid inlet pipe and an infusion liquid outlet pipe, the infusion liquid inlet pipe is provided with a plurality of liquid inlet ends, and each liquid inlet end is connected with a puncture outfit;

2. The extracorporeal nutrient solution infusion assembly of claim 1, wherein the switch mechanism is a flow regulator that fits over the infusion outlet.

3. The extracorporeal nutrient solution infusion assembly of claim 1, wherein the end of the spike has an air inlet, and wherein the air inlet is further capped by an air inlet cap.

4. The extracorporeal nutrient solution infusion set of claim 1, wherein a tee fitting is provided on the infusion inlet tube, three fittings of the tee fitting communicate with two inlet ends and one outlet end, respectively, and the inlet ends are sleeved with flow stopping clips.

5. The in vitro nutrient solution infusion set according to claim 1, wherein a dropping funnel is connected to the infusion outlet pipe, the dropping funnel comprises a dropping funnel body and a dropping funnel cover covering the dropping funnel body, a first annular protrusion and a second annular protrusion are concentrically arranged on the inner side end face of the dropping funnel cover, a filter screen is further arranged in the dropping funnel body, the filter screen is cup-shaped, and the mouth edge of the filter screen is clamped between a gap formed between the first annular protrusion and the second annular protrusion.

6. The in vitro nutrient solution infusion assembly of claim 5, wherein a first filtering membrane is horizontally arranged in the dropping funnel, protrusions are fixedly arranged on two sides of the inner wall of the dropping funnel body, and the first filtering membrane is placed on the protrusions.

7. The extracorporeal nutrient solution infusion set of claim 1, wherein the infusate outlet tube is connected to a threaded connector along the nutrient solution outflow end, the threaded connector having a venipuncture member attached to one end thereof.

8. The extracorporeal nutrient solution infusion assembly of claim 7, wherein the venipuncture element is provided with a connector, an infusion hose, a filter section, a venipuncture needle, a needle wing and a venipuncture needle sheath in sequence along the outflow direction, the filter section comprises a filter funnel, a filter cover and a second filter membrane, and the second filter membrane is placed transversely inside the filter funnel.

9. The extracorporeal nutrient solution infusion assembly of claim 1, further comprising a magnetic machine comprising a magnetic rotor and a magnetic body for generating an alternating magnetic field, the magnetic rotor being positioned within the mixing tube.

10. The extracorporeal nutrient solution infusion assembly of claim 9, wherein the magnet body comprises a tray and a housing, the tray is obliquely arranged on the housing, a baffle plate obliquely extends upwards from one lower end of the tray, and a groove is formed in the middle of the baffle plate; the shell of the magnetic machine body extends out of a clamping part along one higher side of the tray, and the clamping part can be fixed on the transfusion rod.