CN221309109U

CN221309109U - High-level filtering transfusion device

Info

Publication number: CN221309109U
Application number: CN202322407793.6U
Authority: CN
Inventors: 赵炳乾; 王明辉; 宣亚飞
Original assignee: Anhui Xuanhe Medical Technology Co ltd
Current assignee: Anhui Xuanhe Medical Technology Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-07-12
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses a high-position filtering transfusion device, which comprises a fixed plate fixedly arranged in a drip cup, wherein a plurality of through holes are formed in the fixed plate, a plunger rod is movably sleeved on one inner ring of the through holes, one end of the plunger rod is fixedly connected with a buoyancy ball, the other end of the plunger rod, which is far away from the buoyancy ball, is fixedly connected with a gravity ball, a concave groove matched with the gravity ball is formed in the bottom of the drip cup, the drip cup is connected with a filtering joint through a second hose, the outer ring of the second hose is movably sleeved on a flow rate controller, a clamping filtering mechanism is arranged in the filtering joint, one end of the filtering joint, which is far away from the second hose, is fixedly connected with a transfusion needle, and by arranging a suspension ball and the gravity ball, automatic stopping of medicine transfusion can be realized, air is prevented from entering a body, and multi-layer filtering and blood return prevention are realized by arranging a nuclear pore membrane and a one-way valve.

Description

High-level filtering transfusion device

Technical Field

The utility model relates to a high-position filtering transfusion device, and belongs to the technical field of high-position filtering transfusion devices.

Background

Intravenous infusion is a main means in clinical treatment, so the choice of disposable infusion sets is particularly critical to the treatment effect. The infusion set is a common medical consumable, and a channel between a vein and liquid medicine is established for intravenous infusion through aseptic treatment. It is generally formed from eight portions of intravenous needle or injection needle, needle head protecting cap, transfusion tube, medicine liquor filter, flow rate regulator, drip cup, bottle stopper puncture outfit and air filter which are connected together, and the portion of transfusion system also has injection piece and medicine-adding mouth.

Among the prior art, the patent document with the bulletin number of CN202654497U discloses a self-stopping type blood return prevention precise filtration transfusion system which comprises a dropping funnel, a bottle stopper puncture outfit and a catheter, and is characterized in that: the lower part of the dropping funnel is provided with a precision filter, the precision filter is provided with an air diaphragm, a selective transfusion device for adjusting transfusion flow and a filter mounting seat, the air diaphragm is arranged at the bottom end part of the filter mounting seat or at the bottom of the dropping funnel below the bottom end part of the filter mounting seat, the selective transfusion device is fixed on the filter mounting seat, the filter mounting seat is connected at the bottom of the dropping funnel and is communicated with the output end of the dropping funnel, the selective transfusion device is provided with a hydrophilic membrane, the selective transfusion device comprises a first transfusion tube, a second transfusion tube and a continuous liquid supply hole, wherein the heights of the liquid inlet end faces of the second transfusion tube, the first transfusion tube and the continuous liquid supply hole are sequentially reduced, the first transfusion tube, the second transfusion tube and the continuous liquid supply hole are respectively arranged on the filter mounting seat, the first transfusion tube, the second transfusion tube and the continuous liquid supply hole are respectively communicated with the output end of the dropping funnel, and the liquid inlet surface of the continuous liquid supply hole is positioned at the bottom of the filter mounting seat; the automatic stop type blood return prevention precise filtration transfusion device has the beneficial effects that the drip chamber is provided with the liquid inlet pipeline and the exhaust pipeline, the liquid inlet pipeline penetrates out of the top of the drip chamber from inside to outside and is communicated with the bottle stopper puncture outfit, the exhaust pipeline penetrates out of the top of the drip chamber from inside to outside and is communicated with the exhaust port, and the liquid outlet port of the liquid inlet pipeline is higher than the air inlet port of the exhaust pipeline. Therefore, a high-low liquid inlet pipeline and an air exhaust pipeline can form a sealed balance air pressure chamber in the drip chamber, so that the drip speed of the liquid inlet pipeline can be conveniently observed, the drip speed can not be observed because the liquid level of liquid is high or exceeds a liquid inlet due to complete air exhaust, the drip chamber does not need to exhaust and absorb liquid through pinching, the drip chamber does not need to be hung upside down to reduce liquid so as to observe the drip speed, and only the bottle stopper puncture outfit is required to be inserted into an infusion bag or an infusion bottle, so that the air exhaust and liquid inlet can be automatically completed, and the operation is more convenient.

However, in the prior art, when the infusion apparatus is used, medical staff needs to timely shout to replace a hanging bottle or pull a needle when the liquid medicine is quickly dripped, and because patients often miss due to sleeping, the existing infusion apparatus cannot automatically pause when the liquid medicine is quickly dripped, air can enter, and the infusion apparatus is dangerous, blood return is easy to occur when an infusion tube is bent, partial red blood cells enter after the recovery of the catheter, the blood return in the pipeline can be solidified to block the catheter, and the infusion apparatus also can enter the blood circulation after the operation of a wash pipe of a nurse, so that the risk of thrombus formation exists.

Disclosure of utility model

The utility model aims at solving the problems existing in the prior art and overcoming the defects of the prior art, and designs a high-position filtering transfusion device.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

The utility model provides a high-order transfusion system that filters, includes drip chamber, fixed mounting has the fixed plate in the drip chamber, a plurality of through-holes have been seted up on the fixed plate, and one of them through-hole inner circle movable sleeve is equipped with the inserted bar, the one end fixedly connected with buoyancy ball of inserted bar, the other end fixedly connected with gravity ball of buoyancy ball is kept away from to the inserted bar, drip chamber bottom set up with gravity ball complex concave groove, drip chamber has filter joint through the second hose connection, second hose outer lane movable sleeve is established on the velocity of flow controller, filter joint inside is equipped with joint filter mechanism, the one end fixedly connected with transfusion needle that the second hose was kept away from to filter joint.

Preferably, a conveying hole is formed in the top of the drip cup, and a first hose is fixedly sleeved on the inner ring of the conveying hole.

Preferably, one end of the first hose, which is far away from the drip cup, is fixedly connected with a puncture needle, and the outer part of the puncture needle is clamped with a protective cover.

Preferably, the inside of the flow velocity controller is provided with a notch which is obliquely arranged, a rotating button is sleeved in the notch in a sliding way, and the rotating button is in contact with the second hose.

Preferably, the clamping filter mechanism comprises an upper connector and a lower connector, and openings on two sides of the filter connector are respectively clamped with the upper connector and the lower connector up and down.

Preferably, a nuclear pore membrane is arranged in a cavity between the upper connector and the lower connector, the aperture of the nuclear pore membrane is 0.2-5 μm, a one-way valve body is arranged on one side of the nuclear pore membrane, which is close to the lower connector, and the nuclear pore membrane is tightly attached to the upper end of the one-way valve body, the one-way valve body is slidably connected to the inner wall of the filter connector, and the one-way valve body is made of elastic materials.

Preferably, six liquid through holes are uniformly distributed on the outer circle of the one-way valve body, and the part of the one-way valve body close to the lower liquid outlet is arranged in a semicircular shape.

The utility model has the beneficial effects that:

1. The automatic suspension of the transfusion of the dropping funnel can be realized when the transfusion of the liquid medicine is finished, the air is effectively prevented from entering the human body, the use safety is improved, and the automatic suspension of the transfusion of the dropping funnel is realized through the arrangement of the buoyancy ball and the gravity ball;

2. Through setting up openable joint, make things convenient for medical personnel to add the medicine, filter through filtration membrane, prevent to block up the pipe and insoluble large granule gets into in vivo, set up check valve body, the pipe takes place the crease when can preventing to infuse and returns blood.

Drawings

FIG. 1 is a schematic view showing a cut-away perspective structure of a high-level filtering infusion set according to the present utility model;

FIG. 2 is a schematic view of a cut-away perspective of the filter joint of FIG. 1;

Fig. 3 is a schematic view of a cut-away perspective view of the drip chamber of fig. 1.

Reference numerals: 1. dropping a kettle; 2. a first hose; 3. a buoyancy ball; 4. a fixing plate; 5. a rod; 6. a gravity ball; 7. a second hose; 8. a flow rate controller; 9. a rotary knob; 10. a puncture needle; 11. an infusion needle; 12. a filter joint; 1201. an upper joint; 1202. nuclear pore membranes; 1203. a liquid through hole; 1204. a one-way valve body; 1205. a lower joint; 13. and a protective cover.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

Example 1

As shown in fig. 1-3, the high-position filtering transfusion system provided by the utility model comprises a drip cup 1, wherein a fixed plate 4 is fixedly arranged in the drip cup 1, a plurality of through holes are formed in the fixed plate 4, a plug rod 5 is movably sleeved on the inner ring of one through hole, one end of the plug rod 5 is fixedly connected with a buoyancy ball 3, the other end of the plug rod 5, which is far away from the buoyancy ball 3, is fixedly connected with a gravity ball 6, a groove matched with the gravity ball 6 is formed in the bottom of the drip cup 1, the drip cup 1 is connected with a filter joint 12 through a second hose 7, the outer ring of the second hose 7 is movably sleeved on a flow rate controller 8, a clamping filter mechanism is arranged in the filter joint 12, and one end, which is far away from the second hose 7, of the filter joint 12 is fixedly connected with a transfusion needle 11.

In this embodiment, the drip cup 1 is used for storing infusion, the fixed plate 4 is used for fixing buoyancy ball 3 and gravity ball 6 respectively, when drip cup 1 bottom liquid medicine is enough, gravity ball 6 is floated under the buoyancy of buoyancy ball 3, open second hose 7 for infusion can normally go on, when the liquid medicine in drip cup 1 is lost soon, buoyancy ball 3 buoyancy is not enough to pull gravity ball 6, then gravity ball 6 falls under the action of gravity and blocks up the recess, make the interior liquid medicine of drip cup 1 no longer circulate, thereby avoid the air to get into the human body.

Example 2

As shown in fig. 1-3, in the high-level filtering transfusion system provided by the utility model, compared with embodiment 1, the high-level filtering transfusion system further comprises a conveying hole formed in the top of the drip cup 1, a first hose 2 is fixedly sleeved in the inner ring of the conveying hole, a puncture needle 10 is fixedly connected to one end of the first hose 2, which is far away from the drip cup 1, a protective cover 13 is clamped outside the puncture needle 10, a notch which is obliquely arranged is formed in the flow rate controller 8, a rotary knob 9 is sleeved in the notch in a sliding manner, the rotary knob 9 is abutted against the second hose 7, the clamping filtering mechanism comprises an upper joint 1201 and a lower joint 1205, openings at two sides of the filtering joint 12 are respectively clamped with the upper joint 1201 and the lower joint 1205, a nuclear pore membrane 1202 is arranged in a cavity between the upper joint 1201 and the lower joint 1205, the aperture of the nuclear pore membrane 1202 is 0.2-5 μm, a one-way valve 1204 is arranged on one side of the nuclear pore membrane 1202, which is close to the lower joint 1205, and the upper end of the nuclear pore membrane 1204 is tightly closed to the one-way valve 1204, the two-way valve body is tightly connected to the outer periphery of the filtering joint 1204, the two-way valve body is formed by six-way valve bodies are uniformly distributed, and the liquid is arranged on the outer periphery of the valve body 1204, and is a semicircular, and the one-way valve body is formed by the one-way valve body is close to the one-way valve body 1204.

In this embodiment, the protection cover 13 is clamped outside the puncture needle 10, which is favorable to sanitation, the inside of the flow rate controller 8 is provided with a notch which is obliquely arranged, the second hose 7 can be extruded through the sliding rotary button 9, the flow of the drip cup 1 can be controlled, the openings at two sides of the filter joint 12 are respectively clamped up and down with the upper joint 1201 and the lower joint 1205, the medicine adding of medical staff is facilitated, the aperture of the nuclear pore membrane 1202 is 0.2 μm-5 μm, the nuclear pore membrane is provided with a double-layer filter medium, the dirt holding capacity is strong, the filtering holes are regular and uniform, the filtering precision is high, no foreign matters fall off, the medicine adsorptivity is small, six liquid through holes 12033 are uniformly distributed on the outer circle of the one-way valve 1204, the filtered medicine liquid can flow into the vein of a human body through the liquid through holes 1203, the part of the one-way valve 1204, which is close to the liquid outlet at the lower part, is arranged in a semicircle, when the patient flows back, the semicircular structure of the one-way valve 1204 is subjected to pressure, the outlet is immediately sealed, the material of the one-way valve 1204 is more attached to the outlet under the pressure.

Working principle: when the high-position filtering transfusion device is used, the protective cover 13 is pulled out, the puncture needle 14 is inserted into a bottle to be transfused, when the liquid medicine in the drip cup 1 is enough, the gravity ball 6 is floated up and down by the buoyancy of the buoyancy ball 3, when the sliding rotary button 9 reduces the pressure of the flow rate controller 8, the flow rate of the transfusion device can be adjusted, transfusion is conveyed to the inside of the filter joint 12 through the second hose 7, the transfusion can be normally operated through the nuclear pore membrane 1202, when the inside of the tube is not provided with air, the transfusion needle 11 is inserted into a human vein, if the second hose 7 is twisted halfway, when crease cannot normally transfuse, the unidirectional valve 1204 seals an outlet through the pressure impulse force, the tube can be prevented from creasing blood back, when the liquid medicine is completely transfused for replacing a liquid medicine bottle (bag), the puncture needle 10 is pulled out, the special structure of the unidirectional valve 1204 of the inner cavity of the filter joint 12 can automatically close a transfusion channel, the air is prevented from entering the vein of a patient, the defect that the transfusion cannot be prevented from being backfeeded after a single stopping liquid is changed, when the transfusion is quickly completed, the buoyancy ball 3 is not enough to pull the gravity ball 6, the gravity ball 6 can not be pulled down under the action of gravity, the gravity ball can not be prevented from dropping down, the transfusion efficiency is prevented, the transfusion can be prevented from being blocked, the transfusion is ensured, the transfusion efficiency is not is ensured, and the transfusion situation is not has to be guaranteed, and the transfusion situation is guaranteed, and the transfusion staff is not has to be blocked.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The utility model provides a high-order filtration transfusion system, includes drip cup (1), its characterized in that: the utility model discloses a drip cup, including drip cup (1), fixed plate (4) are internal fixed mounting, a plurality of through-holes have been seted up on fixed plate (4), and one of them through-hole inner circle movable sleeve is equipped with inserted bar (5), the one end fixedly connected with buoyancy ball (3) of inserted bar (5), the other end fixedly connected with gravity ball (6) of buoyancy ball (3) are kept away from to inserted bar (5), drip cup (1) bottom set up with gravity ball (6) complex concave groove, drip cup (1) are connected with filter joint (12) through second hose (7), second hose (7) outer lane movable sleeve is established on velocity of flow controller (8), filter joint (12) inside is equipped with joint filter mechanism, one end fixedly connected with transfusion needle (11) of second hose (7) are kept away from to filter joint (12).

2. The high-level filtering transfusion system according to claim 1, wherein the top of the drip cup (1) is provided with a conveying hole, and a first hose (2) is fixedly sleeved on the inner ring of the conveying hole.

3. The high-position filtering transfusion device according to claim 2, wherein one end of the first hose (2) far away from the drip cup (1) is fixedly connected with a puncture needle (10), and a protective cover (13) is clamped outside the puncture needle (10).

4. The high-level filtering transfusion device according to claim 1, wherein a notch which is obliquely arranged is formed in the flow rate controller (8), a rotating button (9) is sleeved in the notch in a sliding manner, and the rotating button (9) is in contact with the second hose (7).

5. The high-level filtering transfusion system according to claim 1, wherein the clamping filtering mechanism comprises an upper connector (1201) and a lower connector (1205), and openings on two sides of the filtering connector (12) are respectively clamped with the upper connector (1201) and the lower connector (1205) up and down.

6. The high-level filtering transfusion device according to claim 5, wherein a nuclear pore membrane (1202) is arranged in a cavity between the upper connector (1201) and the lower connector (1205), the aperture of the nuclear pore membrane (1202) is 0.2-5 μm, a one-way valve body (1204) is arranged on one side of the nuclear pore membrane (1202) close to the lower connector (1205), the nuclear pore membrane (1202) is tightly attached to the upper end of the one-way valve body (1204), the one-way valve body (1204) is slidably connected to the inner wall of the filtering connector (12), and the one-way valve body (1204) is made of elastic materials.

7. The high-level filtering transfusion device as claimed in claim 6, wherein six liquid through holes (1203) are uniformly distributed on the outer circle of the one-way valve body (1204), and the part of the one-way valve body (1204) close to the lower liquid outlet is arranged in a semicircular shape.