CN220385444U - High-capacity blood transfusion bag - Google Patents

Abstract

The utility model relates to the technical field of medical tools and discloses a high-capacity blood transfusion bag, which comprises a blood storage bag, wherein an air bag is fixedly arranged on the outer side of the blood storage bag, a heat preservation sleeve is fixedly arranged on the outer side of the air bag, a pressurizing mechanism is fixedly arranged on one side of the heat preservation sleeve close to the upper end, a blood collection tube is fixedly arranged on one side of the lower end of the blood storage bag, a lower connecting mechanism is fixedly arranged on the other side of the lower end of the blood storage bag, an upper connecting mechanism is fixedly arranged on one side of the upper end of the blood storage bag, and a blood transfusion tube is fixedly arranged at the middle point of the lower end of the blood storage bag. According to the utility model, the transfusion needle can be clamped and fixed through the fixing mechanism during transfusion, so that the transfusion needle is prevented from falling off from the blood transfusion tube, the transfusion process can be stably performed, and simultaneously, the upper connecting mechanism is matched with the lower connecting mechanism, so that the two transfusion bags can be combined up and down for use, the capacity of the transfusion bag can be conveniently increased according to the requirement of a patient for transfusion, and the portability and flexibility of the use of the transfusion bag are improved.

Description

High-capacity blood transfusion bag

Technical Field

The utility model relates to the technical field of medical tools, in particular to a high-capacity blood transfusion bag.

Background

Transfusion refers to a therapeutic method of intravenous infusion of blood into a patient. In the case of transfusion, it is necessary to inject blood into a patient's body by injection using a transfusion bag containing blood, and in the case of a large number of transfusions, a large-capacity transfusion bag is required.

The prior patent (publication number: CN 213099438U) discloses that the multifunctional blood transfusion bag comprises a blood transfusion bag body, the blood transfusion bag body is of a double-layer structure formed by an inner layer wall and an outer layer wall, a blood storage cavity is formed by the inner layer wall in a surrounding manner, a cavity surrounding the blood storage cavity is formed between the inner layer wall and the outer layer wall, a blood transfusion tube communicated with the blood storage cavity is connected to the inner layer wall, an input tube communicated with the cavity is connected to the outer layer wall, and a medium input device is connected to the other end of the input tube. According to the multifunctional blood transfusion bag, different mediums are filled into the cavity between the inner layer wall and the outer layer wall through the medium input device to achieve different using effects, the air medium is inflated to expand the cavity to squeeze the inner layer wall, so that the blood transfusion rate is accelerated, a proper amount of warm water is filled to keep the blood warm to improve the body temperature of a patient, and ice water is filled to cool the blood to prolong the effective time, so that the multifunctional blood transfusion bag can meet various blood transfusion requirements.

However, when the blood transfusion tube of the blood transfusion bag is used for transfusion of a patient, the blood transfusion tube and the transfusion needle are not fixed, so that the transfusion needle is easy to fall off from the transfusion tube due to the fact that a person touches the transfusion tube by mistake in the using process of the blood transfusion bag, the inner wall of the blood transfusion bag is of an integral fixed design, the blood capacity of the blood transfusion bag is fixed, the blood transfusion bag needs to be frequently replaced when the blood transfusion amount is insufficient, and the operation of medical staff is complicated.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the high-capacity blood transfusion bag, which can clamp and fix the transfusion needle through the fixing mechanism when in transfusion, prevent the transfusion needle from falling off from a blood transfusion tube, enable the blood transfusion process to be stably carried out, and simultaneously enable two blood transfusion bags to be combined up and down for use through the upper connecting mechanism and the lower connecting mechanism, thereby being convenient for increasing the capacity of the blood transfusion bag according to the blood transfusion requirement of a patient and improving the portability and the flexibility of the blood transfusion bag.

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

the high-capacity blood transfusion bag comprises a blood storage bag, wherein an air bag is fixedly arranged on the outer side of the blood storage bag, a heat preservation sleeve is fixedly arranged on the outer side of the air bag, a pressurizing mechanism is fixedly arranged on one side of the heat preservation sleeve close to the upper end, a blood collection tube is fixedly arranged on one side of the lower end of the blood storage bag, a lower connecting mechanism is fixedly arranged on the other side of the lower end of the blood storage bag, and an upper connecting mechanism is fixedly arranged on one side of the upper end of the blood storage bag;

a blood transfusion tube is fixedly arranged at the middle point of the lower end of the blood storage bag, a first rubber plug is fixedly arranged at the lower end of the blood transfusion tube, a fixing mechanism is fixedly sleeved at the lower end of the outer side of the blood transfusion tube, and a transfusion needle is embedded at the middle point of the inner part of the first rubber plug;

through above-mentioned technical scheme, can use two blood transfusion bags through last coupling mechanism and lower coupling mechanism cooperation, be convenient for increase the capacity of blood transfusion bag according to patient's blood transfusion needs, fixed establishment can fix the infusion syringe needle when the infusion syringe needle inserts in the blood transfusion pipe simultaneously, prevent that the syringe needle rocked in the infusion process and lead to piercing the blood transfusion pipe, and prevent that the infusion syringe needle drops, impress gaseous in to the breather bag through booster mechanism, make the extruded blood storage bag of breather bag, increase blood transfusion rate, can let in warm water in the insulation can reduce the difference of blood temperature and human temperature in the blood storage bag.

Further, the fixing mechanism comprises a fixing block, the first rubber plug is fixedly sleeved with the fixing block, connecting blocks are fixedly connected to two sides of the lower end of the fixing block, limiting rods are embedded into the middle points of the two connecting blocks, one ends of the limiting rods are rotatably connected with rotating handles through connecting shafts, limiting blocks are fixedly connected to the opposite sides of the rotating handles, arc-shaped limiting plates are fixedly connected to the other ends of the limiting rods, baffle plates are fixedly sleeved to one sides of the two limiting rod bodies, which are close to the arc-shaped limiting plates, of the limiting rod bodies, and springs are movably sleeved to the outer sides of the two limiting rod bodies;

through the technical scheme, the two baffle plates are respectively pushed by the two springs to enable the two arc-shaped limiting plates to clamp and fix the infusion needle, the two rotating handles are pulled out to the outer sides of the two sides and rotated to enable the two limiting blocks to respectively prop against the outer walls of the two connecting blocks, and the clamping and fixing of the infusion needle is removed.

Further, the pressurizing mechanism comprises an air bag, a first one-way valve is fixedly arranged at the lower end of the air bag, a second one-way valve is fixedly arranged at the upper end of the air bag, and a vent pipe is fixedly connected with the second one-way valve;

through the technical scheme, the air bag is inflated into the ventilation bag by extruding the air bag, so that the air bag is inflated and blood in the blood storage bag is uniformly extruded.

Further, the upper connecting mechanism comprises an upper connecting pipe, a round block is fixedly arranged at the upper end near the inner side of the upper connecting pipe, a connecting needle head is fixedly arranged at the middle point of the inner side of the round block, an annular block is fixedly sleeved at the upper end near the outer side of the upper connecting pipe, and a first thread block is rotatably sleeved at the upper end of the outer side of the upper connecting pipe;

through above-mentioned technical scheme, make the connecting pipe rotate relatively in the screw thread piece No. one, the screw thread piece outside is provided with the screw thread, and connecting pipe and lower coupling mechanism are connected in the last connecting pipe of being convenient for.

Further, the connecting needle is positioned in the upper connecting pipe, and the annular block is movably sleeved with the first-size threaded block;

through above-mentioned technical scheme, drive through annular piece and go up the connecting pipe and reciprocate, connect the syringe needle and be located the inside personnel damage that avoids personnel's mistake to touch of connecting pipe.

Further, the lower connecting mechanism comprises a lower connecting pipe, the lower end of the lower connecting pipe is fixedly connected with a liquid inlet pipe, the lower end of the inner side of the liquid inlet pipe is fixedly provided with a second rubber plug, and the lower end of the outer side of the lower connecting pipe is fixedly sleeved with a second thread block;

through above-mentioned technical scheme, no. two screw thread piece inboard lower extreme is provided with the screw thread, and the connecting pipe is connected with last coupling mechanism down of being convenient for.

Further, a water pipe is fixedly arranged on one side of the upper end of the heat preservation sleeve, and a suspension ring is fixedly connected to the middle point of the upper end of the heat preservation sleeve;

through the technical scheme, warm water is introduced into the heat preservation sleeve through the water-introducing pipe, and the blood transfusion bag is hung on the nursing frame through the hanging ring.

Further, a connecting belt is fixedly sleeved on the outer side of the suspension ring, and a hook is fixedly connected to the other end of the connecting belt;

through the technical scheme, when the two blood transfusion bags are combined, the blood transfusion bag below is hung on the hook of the blood transfusion bag above through the connecting belt and the hook.

The utility model has the following beneficial effects:

1. according to the high-capacity blood transfusion bag, the connecting needle penetrates through the second-size rubber plug to be communicated with the upper connecting pipe, the liquid inlet pipe and the lower connecting pipe, and the first-size threaded block and the second-size threaded block are used for fixing the upper connecting pipe and the lower connecting pipe, so that the two blood transfusion bags are combined up and down, the blood volume of the blood transfusion bag can be conveniently increased according to the blood transfusion requirement of a patient, the combination operation is simple and convenient, and the use flexibility of the blood transfusion bag is improved.

2. According to the high-capacity blood transfusion bag, when the transfusion needle is inserted into a blood transfusion tube, the two rotating handles are respectively rotated, so that the two limiting blocks are respectively embedded into the two connecting blocks, the two springs respectively push the two baffle plates, the two limiting rods respectively drive the two arc limiting plates to prop against the outer wall of the transfusion needle, the clamping and fixing of the transfusion needle are completed, the transfusion needle is prevented from falling off from the blood transfusion bag in the blood transfusion process, and the stable implementation of the blood transfusion process is facilitated.

Drawings

Fig. 1 is a diagram showing the overall internal structure of a high-capacity blood transfusion bag according to the present utility model;

fig. 2 is a top-bottom combined view of two blood bags of a high-capacity blood transfusion bag according to the present utility model;

fig. 3 is an enlarged view of a portion a of a high-capacity blood transfusion bag according to the present utility model;

fig. 4 is a partial structure diagram of a fixing mechanism of a high-capacity blood transfusion bag according to the present utility model;

fig. 5 is an enlarged view of the B site of a high-capacity blood transfusion bag according to the present utility model.

Legend description:

1. a blood storage bag; 2. an air bag; 3. a thermal insulation sleeve; 4. a blood transfusion tube; 5. a first rubber plug; 6. a fixing mechanism; 601. a fixed block; 602. a connecting block; 603. a limit rod; 604. a rotating handle; 605. a connecting shaft; 606. a baffle; 607. an arc limiting plate; 608. a spring; 609. defining a block; 7. a pressurizing mechanism; 701. an air bag; 702. a first check valve; 703. a second check valve; 704. a vent pipe; 8. an upper connecting mechanism; 801. an upper connecting pipe; 802. an annular block; 803. a first thread block; 804. round blocks; 805. connecting a needle; 9. a lower connecting mechanism; 901. a lower connecting pipe; 902. a liquid inlet pipe; 903. a second thread block; 904. a second rubber plug; 10. a water pipe; 11. a suspension loop; 12. a blood collection tube; 13. a connecting belt; 14. a hook; 15. an infusion needle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, one embodiment provided by the present utility model is: a high-capacity blood transfusion bag comprises a blood storage bag 1, wherein a ventilation bag 2 is fixedly arranged on the outer side of the blood storage bag 1, a heat preservation sleeve 3 is fixedly arranged on the outer side of the ventilation bag 2, a pressurizing mechanism 7 is fixedly arranged at one side of the heat preservation sleeve 3 near the upper end, air is blown into the ventilation bag 2 through the pressurizing mechanism 7 to enable the ventilation bag 2 to extrude the blood storage bag 1, the blood transfusion speed is accelerated, a blood collection tube 12 is fixedly arranged on one side of the lower end of the blood storage bag 1, blood is input into the blood storage bag 1 through the blood collection tube 12, a lower connecting mechanism 9 is fixedly arranged on the other side of the lower end of the blood storage bag 1, an upper connecting mechanism 8 is fixedly arranged on one side of the upper end of the blood storage bag 1, the upper connecting mechanism 8 of the blood storage bag is connected with the lower connecting mechanism 9 of the other blood transfusion bag through the upper connecting mechanism 8 of one blood transfusion bag, two blood transfusion bags are communicated, the two blood transfusion bags are combined up and down, the blood transfusion capacity of the blood transfusion bags is increased, a blood transfusion tube 4 is fixedly arranged at the middle point of the lower end of the blood transfusion bag 1, a rubber plug 5 of a number is fixedly arranged at the lower end of the blood transfusion tube 4, a needle 15 is fixedly sleeved on the lower end of the blood storage bag 4, a needle 15 is fixedly arranged at the middle point of the lower end of the blood transfusion tube 4, and a needle 15 is fixedly inserted into the needle 15 through the needle 15 of the needle 15, and is fixedly connected with the needle 15 through the needle 15;

the fixing mechanism 6 comprises a fixing block 601, a rubber plug 5 of a first size is fixedly sleeved with the fixing block 601, connecting blocks 602 are fixedly connected to two sides of the lower end of the fixing block 601, limiting rods 603 are embedded and arranged at positions close to middle points inside the two connecting blocks 602, one ends of the two limiting rods 603 are respectively connected with rotating handles 604 through connecting shafts 605, limiting blocks 609 are fixedly connected to opposite sides of the two rotating handles 604 close to the upper ends of the two limiting rods, arc limiting plates 607 are fixedly connected to the other ends of the two limiting rods 603, baffle plates 606 are fixedly sleeved on one sides of rod bodies of the two limiting rods 603 close to the arc limiting plates 607, springs 608 are movably sleeved on the outer sides of the rod bodies of the two limiting rods 603, the two springs 608 are respectively matched with the two connecting blocks 602, the baffle plates 606 and the limiting rods 603, the two limiting rods 609 are respectively clamped and fixed on the infusion needle 15, the two limiting blocks 609 are respectively pulled out from the two connecting blocks 602 by pulling the two rotating handles 604, the two limiting blocks 609 are respectively propped against the outer walls of the opposite sides of the two connecting blocks 602, and the fixing needle 15 is removed;

the pressurizing mechanism 7 comprises an air bag 701, a first one-way valve 702 is fixedly arranged at the lower end of the air bag 701, a second one-way valve 703 is fixedly arranged at the upper end of the air bag 701, a vent pipe 704 is fixedly connected with the second one-way valve 703, the other end of the vent pipe 704 is connected with the vent bag 2, the air bag 701 is connected with the heat insulation sleeve 3, air is introduced into the air bag 701 through the first one-way valve 702, and the air enters the vent pipe 704 through the second one-way valve 703.

The upper connecting mechanism 8 comprises an upper connecting pipe 801, a round block 804 is fixedly arranged at the inner side of the upper connecting pipe 801 near the upper end, a connecting needle 805 is fixedly arranged at the middle point of the inner side of the round block 804, an annular block 802 is fixedly sleeved at the outer side of the upper connecting pipe 801 near the upper end, a first-number threaded block 803 is rotatably sleeved at the upper end of the outer side of the upper connecting pipe 801, the connecting needle 805 is positioned in the upper connecting pipe 801, the annular block 802 is movably sleeved with the first-number threaded block 803, the lower connecting mechanism 9 comprises a lower connecting pipe 901, the lower end of the lower connecting pipe 901 is fixedly connected with a liquid inlet pipe 902, a second-number rubber plug 904 is fixedly arranged at the lower end of the inner side of the liquid inlet pipe 902, and a second-number threaded block 903 is fixedly sleeved at the lower end of the outer side of the lower connecting pipe 901;

the lower end of the upper connecting pipe 801 is provided with a valve, when the blood transfusion bag is used independently, the top end of the upper connecting pipe 801 is embedded with a sealing plug, so that pollution of a connecting needle 805 is avoided, when the two blood transfusion bags are used up and down in a combined way, the sealing plug is removed, the lower connecting mechanism 9 of the upper blood transfusion bag is connected with the upper connecting mechanism 8 of the lower blood transfusion bag, the liquid inlet pipe 902 stretches into the upper connecting pipe 801, the connecting needle 805 penetrates through the second rubber plug 904 to connect the liquid inlet pipe 902 with the upper connecting pipe 801, the first thread block 803 is in threaded sleeve joint with the second thread block 903 through rotating the first thread block 803, and the upper connecting pipe 901 and the lower connecting pipe 801 are fixed;

the upper end one side of the heat preservation sleeve 3 is fixedly provided with a water pipe 10, warm water is introduced into the heat preservation sleeve 3 through the water pipe 10, a suspension ring 11 is fixedly connected to the middle point of the upper end of the heat preservation sleeve 3, blood transfusion bags are hung on a nursing frame through the suspension ring 11, a connecting belt 13 is fixedly sleeved on the outer side of the suspension ring 11, a hook 14 is fixedly connected to the other end of the connecting belt 13, an elastic belt is arranged on the connecting belt 13, and when two blood transfusion bags are combined up and down, the connecting belt 13 of the two blood transfusion bags is matched with the hook 14 to connect the two blood transfusion bags.

Working principle: when a patient uses a blood transfusion bag to perform transfusion, a transfusion needle 15 is inserted into a blood transfusion tube 4, two limiting blocks 609 are respectively embedded into two connecting blocks 602 by rotating two rotating handles 604, two springs 608 respectively push two baffle plates 606, two arc limiting plates 607 clamp and fix the transfusion needle 15, warm water is input into a heat preservation sleeve 3 through a water through pipe 10, a transfusion bag is hung on a nursing frame through a hanging ring 11, an air can be blown into the ventilation bag 2 through an extrusion air bag 701, the blood transfusion speed of the blood storage bag 1 is accelerated by the extrusion air bag 2, when a large amount of transfusion is needed, the two blood transfusion bags can be combined up and down, a lower connecting mechanism 9 of an upper blood transfusion bag is connected with an upper connecting mechanism 8 of a lower blood transfusion bag, the two blood transfusion bags are inserted into the upper connecting pipes 803 through connecting the connecting needles 805, the upper connecting pipes 901 are connected with the lower blood transfusion bags 801 through a first-number thread block 903 in a threaded sleeve, meanwhile, the lower blood transfusion bags are hung on the upper connecting belts 13 of the two blood transfusion bags are matched with a hook 14, and the upper and lower blood transfusion bags are hung on the upper blood transfusion bags of the upper blood transfusion bags and the lower blood transfusion bags are combined.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. A high-capacity blood transfusion bag, comprising a blood storage bag (1), characterized in that: the blood storage bag (1) is fixedly provided with a ventilation bag (2), the outside of the ventilation bag (2) is fixedly provided with a heat preservation sleeve (3), one side of the heat preservation sleeve (3) is fixedly provided with a pressurizing mechanism (7) near the upper end, one side of the lower end of the blood storage bag (1) is fixedly provided with a blood collection tube (12), the other side of the lower end of the blood storage bag (1) is fixedly provided with a lower connecting mechanism (9), and one side of the upper end of the blood storage bag (1) is fixedly provided with an upper connecting mechanism (8);

the blood storage bag is characterized in that a blood conveying tube (4) is fixedly arranged at the middle point of the lower end of the blood storage bag (1), a first rubber plug (5) is fixedly arranged at the lower end of the blood conveying tube (4), a fixing mechanism (6) is fixedly sleeved at the lower end of the outer side of the blood conveying tube (4), and an infusion needle head (15) is embedded at the middle point of the inner side of the first rubber plug (5).

2. A high volume blood transfusion bag as claimed in claim 1, wherein: fixed establishment (6) are including fixed block (601), rubber buffer (5) and fixed block (601) are fixed cup joints, equal fixedly connected with connecting block (602) in fixed block (601) lower extreme both sides, two the inside embedding of leaning on midpoint department of connecting block (602) is provided with gag lever post (603), two gag lever post (603) one end is all rotated through connecting axle (605) and is connected with stem (604), two equal fixedly connected with limiting block (609) of upper end leaning on one side opposite to stem (604), two equal fixedly connected with arc limiting plate (607) of gag lever post (603) other end, two baffle (606) have all been fixedly cup jointed to gag lever post (603) shaft one side, and spring (608) have all been cup jointed in the activity of gag lever post (603) shaft outside.

3. A high volume blood transfusion bag as claimed in claim 1, wherein: the supercharging mechanism (7) comprises an air bag (701), a first one-way valve (702) is fixedly arranged at the lower end of the air bag (701), a second one-way valve (703) is fixedly arranged at the upper end of the air bag (701), and a ventilation pipe (704) is fixedly connected with the second one-way valve (703).

4. A high volume blood transfusion bag as claimed in claim 1, wherein: go up coupling mechanism (8) including last connecting pipe (801), it is fixed to be provided with circle piece (804) to go up connecting pipe (801) inboard by the upper end, the inside midpoint department of circle piece (804) is fixed to be provided with and connects syringe needle (805), go up connecting pipe (801) outside and lean on the upper end fixed ring block (802) that has cup jointed, go up connecting pipe (801) outside upper end and rotate and cup jointed thread piece (803) No. one.

5. A high volume blood transfusion bag as claimed in claim 4, wherein: the connecting needle head (805) is positioned in the upper connecting pipe (801) and the annular block (802) is movably sleeved with the first-size threaded block (803).

6. A high volume blood transfusion bag as claimed in claim 1, wherein: the lower connecting mechanism (9) comprises a lower connecting pipe (901), the lower end of the lower connecting pipe (901) is fixedly connected with a liquid inlet pipe (902), the lower end of the inner side of the liquid inlet pipe (902) is fixedly provided with a second rubber plug (904), and the lower end of the outer side of the lower connecting pipe (901) is fixedly sleeved with a second thread block (903).

7. A high volume blood transfusion bag as claimed in claim 1, wherein: the water pipe (10) is fixedly arranged on one side of the upper end of the heat preservation sleeve (3), and a suspension ring (11) is fixedly connected to the middle point of the upper end of the heat preservation sleeve (3).

8. A high volume blood transfusion bag as claimed in claim 7, wherein: the outside of the suspension ring (11) is fixedly sleeved with a connecting belt (13), and the other end of the connecting belt (13) is fixedly connected with a hook (14).