CN204092695U - A kind of accurate blood transfusion apparatus - Google Patents

Abstract

The utility model discloses a precise blood transfusion device, which comprises a cork puncture needle, a drop bottle, a four-way tube, a Murphy dropper, a flow regulator, a filter and a venipuncture needle. The upper part of the Murphy dropper is connected with four Each branch of the through pipe and the four-way pipe is respectively connected with a drop bottle, and the drop bottle is marked with a metering scale, and the drop bottle is connected with a cork puncture needle. A filter membrane set at an angle of 60 degrees to the horizontal direction is placed, a hose is connected to the lower part of the Murphy dropper, a flow regulator is arranged on the hose, and a filter is connected to the other end of the hose, and the filter is connected to the vein Puncture needle connection, the utility model can realize the functions of dosing, dilution and blood volume measurement during blood transfusion at the same time, can accurately measure the blood transfusion volume, effectively avoid repeated plugging and unplugging, reduce the probability of pollution, and have good filtering effect without causing filter and The needle is clogged.

Description

A precise blood transfusion device

technical field

The utility model relates to a medical device, in particular to a precise blood transfusion device.

Background technique

At present, conventional blood transfusion sets are used for clinical blood transfusion to patients, including vial needles, puncture needles and Murphy droppers. During massive blood transfusions, due to different blood sources, plasma with the same blood type may not necessarily have the same RH factor. Therefore, after hanging a bag of plasma, it is necessary to rinse the Murphy dropper with saline. After the entire Murphy dropper is rinsed, the next bag of plasma is connected. Pulling and inserting back and forth will easily cause pollution and increase the workload of medical staff; When young children are transfused, the amount of blood transfused is small and needs to be very precise. Less blood transfusion will not achieve the therapeutic effect, and too much blood transfusion will increase the burden on the heart. The blood transfusion volume must be strictly controlled; infants and young children have thinner blood vessels. In the case of aggregation of platelets, white blood cells, and fibrin in blood, it is likely to cause needle blockage and lead to poor blood transfusion.

Utility model content

The purpose of this utility model is to provide a precise blood transfusion set that measures blood transfusion volume accurately, does not need repeated insertion and extraction, and will not cause filter and needle blockage, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A precision blood transfusion set, including a cork puncture needle, a dropper, a four-way tube, a Murphy dropper, a flow regulator, a filter and a venipuncture needle, the upper part of the Murphy dropper is connected with a four-way tube, and the four-way Each branch of the tube is respectively connected with a drop bottle, the drop bottle is marked with a metering scale, the drop bottle is connected with a cork puncture needle, the upper end of the Murphy drop tube is provided with a drip nozzle, and the middle part is placed with a horizontal direction The filter membrane is arranged at an angle of 60 degrees, the lower part of the Murphy dropper is connected with a hose, the hose is provided with a flow regulator, and the other end of the hose is connected with a filter, and the filter is connected with a venipuncture needle.

As a further solution of the utility model: the dropping bottle is provided with an air filter.

As a further solution of the utility model: both the cork puncture needle and the venipuncture needle are provided with a protective cover.

As a further solution of the utility model: each branch pipe of the four-way pipe is also provided with a control valve.

Compared with the prior art, the beneficial effect of the utility model is: the utility model is simple in structure, easy to use, respectively punctures the physiological saline bottle, the blood bag and the medicament bottle, and the drop bottle is engraved with a metering scale through three cork puncture needles, It can realize the functions of dosing, dilution and blood volume measurement during blood transfusion at the same time, accurately measure the blood transfusion volume, effectively avoid repeated plugging and unplugging, and reduce the chance of pollution. There are control valves on each branch pipe, which can independently adjust and control the flow of each branch pipe. There is a filter membrane inclined at an angle of 60 degrees in the dropper. Compared with the flat filter membrane in the prior art, the contact area between the filter membrane and the blood is increased, and the excessively aggregated platelets in the blood can be better filtered. White blood cells, fibrin, and sediments on the filter membrane will be washed to the lower end of the filter membrane under the action of gravity and blood flow, avoiding the situation where the filter membrane or needle is blocked and the blood transfusion is not smooth. The connected filter can filter the particles produced after the bottle cork puncture needle punctures the bottle stopper and the particles in the normal saline. Open the control valve at the branch pipe connected to the medicine bottle to infuse the patient, so that there is no need to plug and replace the infusion set.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, in the utility model embodiment, a kind of precise blood transfusion device comprises cork puncture needle 1, drop bottle 2, four-way tube 3, Murphy dropper 4, flow regulator 5, filter 6 and vein The puncture needle 7, the upper part of the Murphy dropper 4 is connected with a four-way pipe 3, each branch of the four-way pipe 3 is also provided with a control valve 12, and each branch of the four-way pipe 3 is respectively connected with a drop bottle 2 , the drop bottle 2 is marked with a measurement scale, the drop bottle 2 is provided with an air filter, the drop bottle 2 is connected with a cork puncture needle 1, and the upper end of the Murphy dropper 4 is provided with a drip nozzle 8 , the middle part is placed with the filter membrane 9 that is arranged at an angle of 60 degrees with the horizontal direction, the lower part of the Murphy dropper 4 is connected with a hose 10, the hose 10 is provided with a flow regulator 5, and the other end of the hose 10 is connected with a filter device 6, the filter 6 is connected to the venipuncture needle 7, and the bottle stopper puncture needle 1 and the venipuncture needle 7 are both provided with a protective sheath 11.

The working principle of the utility model is: pull out the protective cover of the cork puncture needle 1, insert the cork puncture needle into the blood bag, the blood flows into the dropper 2 with marked scale, and wait for the blood level to reach the required blood transfusion scale When clamping the opening of the blood bag, the cork puncture needle 1 of the other branch tube punctures the normal saline bottle, opens the control valve 12, and pre-washes the infusion hose 10 with normal saline. After washing twice, close the flow regulator 5 and turn the The venipuncture needle 7 punctures into the venous vessel of the person to be transfused, opens the flow regulator 5 and adjusts it to an appropriate flow rate, then opens the control valve 12 of the blood transfusion branch, and can choose to close or reduce the flow rate of normal saline according to the blood concentration. Flow through the four-way tube 3 into the Murphy dropper 4, and filter out the excessively aggregated platelets, leukocytes and fibrin in the blood under the action of the filter membrane 9, keep the filter 6 and the venipuncture needle 7 from being blocked, and prevent blood transfusion from being blocked. If the condition is smooth, the filter 6 can filter the particles produced after the bottle stopper puncture needle 1 punctures the bottle stopper and the particles in the normal saline. After the blood transfusion, continue to infuse the normal saline to rinse the infusion tube, and then open the control tube connected to the medicine bottle. Valve 12, continuous infusion of liquid medicine, avoiding repeated insertion and insertion of blood transfusion sets, reducing the chance of contamination

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned. the

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (4)

1. an accurate blood transfusion apparatus, comprise bottle cork needle (1), drop bottle (2), four-way pipe (3), murphy's dropper (4), flow regulator (5), filter (6) and venipuncture needle (7), it is characterized in that: described murphy's dropper (4) top is connected with four-way pipe (3), each arm of four-way pipe (3) is connected to drop bottle (2), (2) are labeled with metering scale with described drop bottle, described drop bottle (2) is connected with bottle cork needle (1), described murphy's dropper (4) upper end is provided with drip nozzle (8), it is the filter membrane (9) that 60 degree of angles are arranged that middle part is placed with horizontal direction, described murphy's dropper (4) bottom is connected with flexible pipe (10), flexible pipe (10) is provided with flow regulator (5), flexible pipe (10) other end is connected with filter (6), described filter (6) is connected with venipuncture needle (7).

2. accurate blood transfusion apparatus according to claim 1, is characterized in that, (2) are provided with air filter with described drop bottle.

3. accurate blood transfusion apparatus according to claim 1, is characterized in that, described bottle cork needle (1) and venipuncture needle (7) are provided with protective sleeve (11).

4. accurate blood transfusion apparatus according to claim 1, is characterized in that: each arm of described four-way pipe (3) is also provided with control valve (12).