Intelligent blood transfusion device and method for hematology department

Abstract

The invention relates to the technical field of medical blood transfusion, in particular to an intelligent blood transfusion device and method for the hematology department, the device comprises a blood transfusion tube and an intelligent blood transfusion heat preservation sleeve, and a needle head of the blood transfusion tube is sleeved with the intelligent blood transfusion heat preservation sleeve to keep the temperature of a blood transfusion part of a patient. The intelligent blood transfusion heat preservation sleeve comprises a sleeve body, a first notch, covering cloth, a male hook-and-loop fastener, a female hook-and-loop fastener, a fixing belt and a heat preservation unit. By arranging the first cavity and the chorion, when the heater supplies heat to water in the first cavity to reach the upper limit value, the high-low temperature relay controls the heater to be powered off, and when the water temperature in the first cavity is lower than the lower limit value, the high-low temperature relay controls the heater to be powered on for heating, so that the temperature of the water in the first cavity is always kept close to the surface temperature of a human body; the temperature of the water is conducted on the surface of the arm through the chorion, the situation that the temperature of the arm is lower than the surface temperature of other parts of the body in the blood transfusion process is prevented, and the risk of adverse reaction is further reduced.

Description

Technical Field

[0001] This invention relates to the field of medical blood transfusion technology, specifically to a device and method for intelligent blood transfusion in hematology. Background Technology

[0002] Blood transfusion is a treatment method in which blood is injected into a patient's body through a transfusion tube via a vein, so that the patient's organs are replenished with oxygen and carbon dioxide and cellular waste products are transported, thereby restoring the patient's body to a healthy state. It is now widely used in the field of clinical medicine.

[0003] During a blood transfusion, the arm may feel cold for an extended period. This is mainly because the temperature of the blood in the transfusion bag is lower than the temperature of the blood in the body's blood vessels, causing the blood vessels to constrict and potentially spasm. It can also cause a febrile non-hemolytic transfusion reaction, typically manifested as chills and low-grade fever. If such an adverse reaction occurs, the transfusion should be stopped immediately or the transfusion rate slowed down. Therefore, according to the Clinical Blood Use Manual, when the transfusion rate exceeds 100 ml / min, a blood warmer should be used. This is because heating the blood with a heater requires a dedicated person to be responsible and closely monitor the process. Excessive temperature can cause red blood cell destruction and hemolysis. The manual also emphasizes that keeping the patient's body warm is more effective than using a blood warmer.

[0004] Small and medium-sized blood transfusion centers typically use cotton blankets to cover patients because the molecular structure of cotton blankets is very loose, similar to a net, which prevents the body's heat from passing through and keeps the patient warm. This reduces heat loss from the patient's arms, thus lowering the risk of chills or low-grade fever and cardiac arrest due to hypothermia. However, it is difficult to use cotton blankets to keep patients with excessive blood loss warm outdoors. Furthermore, during large-volume transfusions, the temperature of the blood in the patient's arm vessels is neutralized by the temperature of the blood in the blood bag, causing the temperature of the patient's arm to be lower than the surface temperature of other parts of the body. This still carries the risk of adverse reactions during the transfusion process. In addition, patients may unconsciously move their arms during the transfusion process. If the range of arm movement is too large, it may cause the needle to shift, thus affecting the efficiency of the transfusion.

[0005] In view of this, the present invention proposes an intelligent blood transfusion device and method for hematology, which solves the above problems. Summary of the Invention

[0006] To address the shortcomings of existing technologies and solve the problem of preventing the temperature of a patient's arm from falling below the surface temperature of other parts of the body during blood transfusions in small and medium-sized blood transfusion centers, thereby reducing the occurrence of chills or low-grade fever and decreasing the risk of cardiac arrest due to hypothermic transfusions, while also preventing the needle from shifting due to the patient's unconscious arm movement; this invention proposes a device and method for intelligent blood transfusion in hematology.

[0007] The technical solution adopted by this invention to solve its technical problem is: a smart blood transfusion device for hematology, comprising a transfusion tube and a smart transfusion warming sleeve, wherein the needle of the transfusion tube is inserted inside the smart transfusion warming sleeve to maintain the temperature of the patient's transfusion site, and the smart transfusion warming sleeve comprises:

[0008] The sleeve is a cylindrical structure;

[0009] The first slot is located on the upper surface of the sleeve and is used to accommodate the needle of the infusion tube inserted into the vein of the patient's arm.

[0010] A cover cloth is fixed to the upper surface of the sleeve near the first slot by a connecting strap;

[0011] Male hook and loop fasteners are evenly installed on the surface of the cover fabric and located at the end of the cover fabric away from the sleeve body;

[0012] The female hook and loop fastener is evenly installed on the surface of the sleeve body and is located at the end of the first slot away from the cover cloth;

[0013] A fixing strap is uniformly fixed to the surface of the sleeve and located on both sides of the first slot.

[0014] A heat-insulating unit is installed inside the sleeve to insulate the interior of the sleeve.

[0015] Preferably, a fleece layer is provided on the surface of the cover fabric and between the male Velcro and the side of the cover fabric near the sleeve body, and the area of ​​the fleece layer is larger than the cross-sectional area of ​​the first slot.

[0016] Preferably, a fixed pipe is provided on the right side of the first slot and on the outer surface of the sleeve. The top port of the fixed pipe is connected to the outside of the sleeve, and rubber blocks are symmetrically arranged on the inner surface of the fixed pipe near the top port.

[0017] Preferably, a telescopic tube is fixedly connected to the part of the sleeve located on the left side of the first slot and near the end of the sleeve.

[0018] Preferably, a rubber band is installed inside the right-side port of the sleeve.

[0019] Preferably, a fixed half-ring is installed inside the left port of the sleeve, the arc corresponding to the fixed half-ring is a superior arc, and both ends of the fixed half-ring are bent away from the central axis.

[0020] Preferably, a roller is installed on the inner wall of the fixed semi-ring and at the upper curved part.

[0021] Preferably, the heat preservation unit includes:

[0022] An airbag is installed on the inner wall of the casing and is connected to the outside through an air tube.

[0023] The first cavity is installed on the side of the airbag away from the inner wall of the sheath, and the first cavity is filled with water.

[0024] A chorionic membrane, wherein the chorionic membrane is installed on the side of cavity one away from the airbag;

[0025] A heater is installed at the bottom of the sleeve and connected to a high and low temperature relay installed on the outside of the sleeve 1 to maintain the water temperature inside the first cavity.

[0026] Preferably, the outer surface of the sleeve is made of leather.

[0027] A method for intelligent blood transfusion in hematology, applicable to the aforementioned intelligent blood transfusion device for hematology, and comprising the following steps;

[0028] S1: After verifying the patient's personal and medication information, the nurse raises the patient's arm that will receive the blood transfusion and wraps the smart transfusion warming sleeve around the arm. By adjusting the position of the smart transfusion warming sleeve, the first slot on the surface of the sleeve is aligned with the arm vein. The nurse applies alcohol to the needle insertion site, then inserts the needle of the transfusion tube into the arm vein, and applies medical tape to the needle and between the needle and the tubing to fix the position of the needle and tubing to the arm.

[0029] S2: Then the nurse fastens the fixing straps on the surface of the cover to the guardrail on the side of the medical bed, overlaps the male Velcro on the cover with the female Velcro on the cover, so that the cover fixes the position of the infusion needle and tubing. At the same time, the cover moves the fluff layer to cover the first slot, so that the fluff layer keeps the vein area in the first slot warm, and places the tubing in the fixed tube to prevent the tubing from moving and pulling the needle.

[0030] S3: Open the air valve at the end of the trachea and inflate the air bladder inside the sheath using an air cylinder or air pump. This inflates the air bladder and moves the No. 1 chamber and the villous layer closer to the patient's arm surface. When the patient's arm feels tension, stop the air supply and turn on the high and low temperature relay. By controlling the heater switch, the heater keeps the water temperature within the temperature range of the human body surface, thus keeping the water in the No. 1 chamber warm on the surface of the wrapped arm.

[0031] S4: After the blood transfusion is completed, turn off the high and low temperature relay and let the gas in the air bag be released. Open the cover and separate the male and female Velcro straps. Then remove the needle and apply hemostatic cotton. Finally, remove the smart blood transfusion warming sleeve from the patient's arm by unfastening the fixing strap.

[0032] The beneficial effects of this invention are as follows:

[0033] 1. The present invention discloses an intelligent blood transfusion device and method for hematology departments. By setting a fixing strap, which is attached to the bedside railing or, when outdoors, to the leg or waist, with a gap between the strap and the bedside railing or body, the patient can rotate their arm to alleviate numbness caused by prolonged transfusions. This also prevents the patient from unconsciously moving their arm excessively, which could cause needle displacement, and further prevents the needle from being pulled during arm movement.

[0034] 2. The intelligent blood transfusion device and method for hematology described in this invention, by setting up a first chamber and a chorionic membrane, when the heater heats the water in the first chamber to the upper limit, the high and low temperature relay will control the heater to turn off the power. When the water temperature in the first chamber is lower than the lower limit, the high and low temperature relay will control the heater to turn on the power to heat, so that the water in the first chamber is always kept close to the surface temperature of the human body. Then, the water temperature is conducted to the surface of the arm through the chorionic membrane, preventing the temperature of the arm from being lower than the surface temperature of other parts of the body during the blood transfusion process, and further reducing the risk of adverse reactions. Attached Figure Description

[0035] The invention will now be further described with reference to the accompanying drawings.

[0036] Figure 1 This is a flowchart of the intelligent blood transfusion method for hematology in this invention;

[0037] Figure 2 This is a perspective view of the intelligent blood transfusion device for hematology in this invention;

[0038] Figure 3 This is a cross-sectional view of the intelligent blood transfusion insulation sleeve in this invention;

[0039] Figure 4 yes Figure 3Enlarged view of a portion of point A in the middle;

[0040] Figure 5 yes Figure 3 Cross-sectional view of the C-direction port of the middle sleeve;

[0041] Figure 6 yes Figure 5 Enlarged view of a section at point B in the middle;

[0042] Figure 7 yes Figure 3 Cross-sectional view of the left port of the middle sleeve;

[0043] Figure 8 yes Figure 7 Schematic diagram of the fixed semi-ring structure;

[0044] In the diagram: Sleeve 1, No. 1 slot 11, cover cloth 12, male hook and loop fastener 121, fleece layer 122, female hook and loop fastener 13, fixing strap 14, fixing pipe 15, rubber block 151, telescopic tube 16, rubber band 17, fixing half ring 18, roller 181, airbag 2, No. 1 cavity 21, fleece membrane 22. Detailed Implementation

[0045] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0046] like Figures 1 to 8 As shown, the present invention discloses an intelligent blood transfusion device for hematology, comprising a transfusion tube and an intelligent transfusion warming sleeve. The needle of the transfusion tube is inserted into the intelligent transfusion warming sleeve to maintain the temperature of the transfusion site. The intelligent transfusion warming sleeve includes:

[0047] Sleeve 1, wherein sleeve 1 is a cylindrical structure;

[0048] The first slot 11 is located on the upper surface of the sleeve 1 and is used to accommodate the needle of the infusion tube inserted into the vein of the patient's arm.

[0049] Cover 12, which is fixed to the upper surface of the sleeve 1 near the first slot 11 by a connecting strap;

[0050] Male Velcro 121 is evenly installed on the surface of the cover fabric 12 and is located at the end of the cover fabric 12 away from the cover body 1;

[0051] The female hook and loop fastener 13 is evenly installed on the surface of the sleeve body 1 and is located at the end of the first slot 11 away from the cover cloth 12.

[0052] Fixing strap 14, which is uniformly fixed to the surface of sleeve 1 and located on both sides of the first slot 11;

[0053] A heat-insulating unit is installed inside the sleeve 1 to insulate the interior of the sleeve 1.

[0054] When working outdoors and facing patients requiring large-volume blood transfusions, rapid transfusions are necessary. Since blood is typically kept refrigerated, and it's difficult to heat it quickly outdoors using a blood heater, a smart transfusion warming sleeve is used. First, the patient's arm is raised and the sleeve is placed on top. By pulling the sleeve across the arm, the left end is positioned above the arm joint, with slot 11 on the upper surface of the sleeve. Rotating the sleeve aligns slot 11 with the arm vein, allowing the transfusion needle to be inserted. Medical tape is then applied to the needle and the junction of the needle and the tubing. This is used to fix the position of the needle at the vein site in the arm; the cover 12 causes the male hook and loop fastener 121 and the female hook and loop fastener 13 to come into contact with each other. The surface of the male hook and loop fastener 121 is made of fine and soft round fibers, while the surface of the female hook and loop fastener 13 is made of harder, hooked bristles. When the male hook and loop fastener 121 and the female hook and loop fastener 13 are fastened, the elastic bristles with hooks will be hooked by the round fibers in the fine and soft fibers, thereby connecting the cover 12 to the surface of the sleeve 1, so that the cover 12 covers the first slot 11 on the surface of the sleeve 1, and fixes the needle and the tubing of the infusion tube in the first slot 11. The cover 12 fixes the needle and tubing as a whole, which is more conducive to preventing the needle from shifting on the arm; secondly, the fixing straps 14 are all The cover 12 is evenly installed on the surface of the sleeve 1 and opposite to the first slot 11. After the cover 12 coincides with the first slot 11 on the sleeve 1 and the needle and the tubing of the transfusion tube are fixed, the fixing strap 14 is tied to the bedside rail or, when outdoors, to the leg or waist, leaving a gap between the fixing strap 14 and the bedside rail or body. When the patient's arm becomes stiff and numb due to prolonged blood transfusion, the numbness can be relieved by rotating the arm. At the same time, it can prevent the patient from moving the arm too much unconsciously, which could cause the needle to shift. It can also prevent the arm movement from pulling on the needle. Finally, after the intelligent transfusion warming sleeve is fixed on the arm, an intelligent control terminal is installed on the intelligent transfusion warming sleeve. At the end, a temperature sensor is installed on the inner surface of the sleeve 1 where it contacts the surface of the arm. The temperature sensor transmits the detected arm temperature information to the intelligent control terminal. When the intelligent control terminal detects that the arm temperature is lower than the normal human body temperature, it activates the heating unit inside the sleeve 1 to heat the arm, causing the blood vessels in the arm to dilate and accelerate the flow of newly transfused blood in the blood vessels. This prevents the blood vessels in the body from contracting due to the low temperature inside the blood bag, which could cause the blood vessels to cool down and constrict, resulting in spasm at the transfusion site. When the arm temperature is normal, the intelligent control terminal controls the heating unit to turn off to avoid excessive temperature causing discomfort to the patient, thus realizing intelligent regulation of the temperature of the patient's transfusion site.

[0055] As one embodiment of the present invention, a fleece layer 122 is provided on the surface of the cover 12 and between the male Velcro 121 and the side of the cover 12 near the sleeve 1, and the area of ​​the fleece layer 122 is larger than the cross-sectional area of ​​the first slot 11.

[0056] During operation, a pile layer 122 is fixedly attached to the surface of the cover 12, and the pile layer 122 is located between the male hook and loop fastener 121 and the side of the cover 12 closest to the sleeve 1. When the male hook and loop fastener 121 on the surface of the cover 12 comes into contact with the female hook and loop fastener 13 on the surface of the sleeve 1, the cover 12 will cause the pile layer 122 to cover the first slot 11 on the surface of the sleeve 1, so that the pile layer 122 provides heat preservation for the needle and vein area. The pile layer 122 is made of cotton, which is a fluffy filamentous material that can be interwoven. The gaps between the fibers allow air to be trapped, thus the heat emitted by the human body is stored in these gaps. As a result, the heat emitted by the human body is difficult to pass through the fleece layer 122, thereby achieving the effect of keeping the arm waiting for blood transfusion inside the first slot 11 warm. At the same time, the width of the fleece layer 122 is greater than the width of the inner wall of the first slot 11, so that the fleece layer 122 can completely cover the first slot 11, reducing the loss of heat through the gap between the first slot 11 and the cover cloth 12, and further improving the heat preservation efficiency of the fleece layer 122.

[0057] As one embodiment of the present invention, a fixed pipe 15 is provided on the right side of the first slot 11 and on the outer surface of the sleeve 1. The top port of the fixed pipe 15 is connected to the outside of the sleeve 1, and rubber blocks 151 are symmetrically arranged on the inner surface of the fixed pipe 15 near the top port.

[0058] During operation, when the needle is inserted into the arm vein at slot 11, the transfusion tubing connected to the needle and located within slot 11 is secured within the fixed conduit 15. This prevents the transfusion tubing from pulling on the needle when the patient's arm moves. A rubber block 151 is provided on the side of the top port of the fixed conduit 15. Due to the elasticity of the rubber block 151, after the transfusion is completed, pulling the transfusion tubing outward causes it to compress the surface of the rubber block 151 and contract to both sides. This facilitates the detachment of the transfusion tubing from the fixed conduit 15. At the same time, the rubber block 151 prevents the transfusion tubing located within the fixed conduit 15 from detaching without external force, further securing the position of the transfusion tubing.

[0059] In one embodiment of the present invention, a telescopic tube 16 is fixedly connected to the part of the sleeve 1 located on the left side of the first slot 11 and near the end of the sleeve 1.

[0060] During operation, before blood transfusion, the intelligent blood transfusion warming sleeve is placed on the arm, and the sleeve body 1 is pulled to move it on the arm, adjusting the telescopic tube 16 on the surface of the sleeve body 1 to the arm joint. Through the flexibility and elongation of the telescopic tube 16, when the patient's arm becomes numb due to prolonged blood transfusion, the patient can easily bend the arm slightly to relieve the numbness. It is also suitable for patients with different arm lengths. The length of the intelligent blood transfusion warming sleeve can be adjusted by stretching or compressing the telescopic tube 16, further increasing the applicability of the intelligent blood transfusion warming sleeve.

[0061] As one embodiment of the present invention, a rubber band 17 is installed inside the right port of the sleeve 1;

[0062] During operation, the intelligent blood transfusion warming sleeve is first put on the arm. Then, by pulling the surface of the sleeve body 1, the intelligent blood transfusion warming sleeve is moved on the arm and adjusted to a suitable position. At this time, the rubber band 17 inside the left port of the first slot 11 of the sleeve body 1 makes the edge of the port of the sleeve body 1 in close contact with the surface of the arm. By replacing the rubber band 17 with different elastic coefficients, the rubber band 17 can be used for patients with different arm thicknesses. Moreover, the rubber band 17 reduces the gap between the port of the sleeve body 1 and the surface of the arm, effectively preventing the exchange of air between the inside of the sleeve body 1 and the outside, preventing the heat inside the sleeve body 1 from flowing out from the gap of the port of the sleeve body 1 with the exchanged air, and further maintaining the temperature inside the sleeve body 1.

[0063] As one embodiment of the present invention, a fixed half-ring 18 is installed inside the left port of the sleeve 1. The arc corresponding to the fixed half-ring 18 is a superior arc, and both ends of the fixed half-ring 18 are bent away from the central axis.

[0064] Rollers 181 are installed on the inner wall of the fixed semi-ring 18 and at the upper curved part.

[0065] During operation, to accommodate patients with varying arm sizes, medical staff select the appropriate intelligent transfusion warming sleeve, ensuring the minimum distance between the two ends of the fixing half-ring 18 is less than the width of the patient's arm. When the arm passes through the left end of the sleeve 1, the hand enters first, and even when flexed, the hand is still wider than the arm. Therefore, the hand cannot be fully inserted into the fixing half-ring 18 and must instead enter through the gap between the top of the fixing half-ring 18 and the sleeve 1. After the intelligent transfusion warming sleeve is completely fitted onto the arm and adjusted to the appropriate position, the arm is rotated so that the front of the arm requiring blood injection is rotated upwards, while the back of the arm is rotated downwards. At this point, the two ends of the fixing half-ring 18 contact the back of the arm. Then, the arm is pressed down to press the fixing half-ring 18, and the back of the arm contacts the curved surface formed by the bending of the two ends of the fixing half-ring 18. As the back of the arm moves downwards, the arm moves along... The curved surfaces of the contacting fixed half-ring 18 make contact, and the two ends of the fixed half-ring 18 deform and rotate in a direction away from each other under pressure, so that the back part of the arm can be smoothly embedded into the fixed half-ring 18 and fixed. Moreover, the fixed half-ring 18 is a semi-ring structure, and the concentrated part of the blood vessels on the front of the arm that receive blood transfusion is located at the notch of the fixed half-ring 18, so it will not be squeezed by the fixed half-ring 18. This ensures that the arm is tightly bound to the sleeve 1 by the limiting effect of the fixed half-ring 18, while not compressing the concentrated part of the blood vessels on the front of the arm, thus not affecting normal blood transfusion. In addition, during the process of the arm being embedded into the fixed half-ring, the back of the arm first contacts the surface of the roller 181, converting the sliding friction between the back of the arm and the fixed half-ring 18 into rolling friction, so that the arm can be embedded into the fixed half-ring 18 more smoothly, further preventing the fixed half-ring 18 from affecting the blood transfusion speed.

[0066] In one embodiment of the present invention, the heat preservation unit includes:

[0067] Airbag 2, which is fixed to the inner wall of sleeve 1 and is connected to the outside through an air tube;

[0068] The first cavity 21 is installed on the side of the airbag 2 away from the inner wall of the sleeve 1, and the first cavity 21 is filled with water.

[0069] The chorionic membrane 22 is installed on the side of the first cavity 21 away from the airbag 2;

[0070] A heater is installed at the bottom of the sleeve 1 and connected to a high and low temperature relay installed on the outside of the sleeve 1 to maintain the water temperature inside the first cavity 21.

[0071] During operation, once the transfusion tube is fixed in position on the arm, if possible, open the air valve at the end of the trachea and inflate it using an air pump or air cylinder. This inflates the air bag 2, causing the first chamber 21 and the chorionic membrane 22 on its surface to adhere to the arm surface. When the patient feels tension in the arm, the air supply is stopped, and the high-low temperature relay is activated via the intelligent control terminal. The set value of the high-low temperature relay is set to 35℃-37℃. When the heater reaches the upper limit of heating the water in the first chamber 21, the high-low temperature relay will de-energize the heater. When the water temperature in the first chamber 21 falls below the lower limit, the high-low temperature relay will energize the heater to keep the water in the first chamber 21 close to the body surface temperature. The heat from the water is then conducted to the arm surface through the chorionic membrane 22, preventing the arm temperature from falling below the surface temperature of other parts of the body during transfusion, further reducing the risk of adverse reactions.

[0072] In one embodiment of the present invention, the outer surface of the sleeve 1 is made of leather.

[0073] During operation, the leather material of the sleeve 1 helps maintain the internal temperature of the intelligent blood transfusion insulation sleeve, reducing heat loss caused by heat dissipation from the inside of the sleeve 1. On the other hand, it helps protect the surface of the intelligent blood transfusion insulation sleeve from being scratched. At the same time, the leather has the characteristics of being wear-resistant and easy to clean, which further increases the service life of the intelligent blood transfusion insulation sleeve.

[0074] A method for intelligent blood transfusion in hematology, applicable to the aforementioned intelligent blood transfusion device for hematology, and comprising the following steps;

[0075] S1: After verifying the relevant personal and medication information with the patient, the nurse raises the patient's arm that will receive the blood transfusion and wraps the smart blood transfusion warming sleeve around the arm. By adjusting the position of the smart blood transfusion warming sleeve, the first slot 11 on the surface of the sleeve 1 is aligned with the arm vein. The nurse applies alcohol to the needle insertion site, then inserts the needle of the transfusion tube into the arm vein, and applies medical tape to the needle and between the needle and the tubing to fix the position of the needle and tubing to the arm.

[0076] S2: Then the nurse fastens the fixing strap 14 on the surface of the cover 1 to the guardrail on the side of the medical bed, and overlaps the male Velcro 121 on the cover 12 with the female Velcro 13 on the cover 1, so that the cover 12 fixes the position of the infusion needle and the tubing. At the same time, the cover 12 moves the fluff layer 122 to cover the first slot 11, so that the fluff layer 122 keeps the vein area in the first slot 11 warm, and places the tubing in the fixing tube 15 to prevent the tubing from moving and pulling the needle.

[0077] S3: Open the air valve at the end of the trachea and inflate it with an air pump or air cylinder. This inflates the air bladder 2 inside the sleeve 1, bringing the No. 1 chamber 21 and the villous layer 122 closer to the patient's arm surface. When the patient's arm feels tension, stop the air supply and turn on the high and low temperature relay. By controlling the heater switch, the heater keeps the water temperature within the temperature range of the human body surface, so that the water in the No. 1 chamber 21 keeps the surface of the wrapped arm warm.

[0078] S4: After the blood transfusion is completed, turn off the high and low temperature relay and let the gas in the air bag 2 be released. Open the cover 12 and separate the male Velcro 121 from the female Velcro 13. Then remove the needle and apply hemostatic cotton. Finally, remove the smart blood transfusion warming sleeve from the patient's arm by unfastening the fixing strap 14.

[0079] The specific workflow is as follows:

[0080] First, raise the patient's arm and put on the intelligent transfusion warming sleeve. Move the sleeve along the arm until the left end is positioned above the arm joint. Rotate the transfusion tube so that slot 11 is opposite the arm vein, allowing the needle to be inserted. Apply medical tape to the needle surface and the junction of the needle and the tubing to secure the needle to the arm vein. When the cover 12 engages with the male Velcro 121 and female Velcro 13, the barbed elastic fibers hook the loops within the soft fibers, connecting the cover 12 to the surface of the sleeve 1. The cover 12 covers slot 11 on the surface of the sleeve 1, securing the needle and tubing within slot 11. Next, after the cover 12 aligns with slot 11 on the sleeve 1 and secures the needle and tubing, the needle is then... The strap 14 is attached to the bedside railing or, when outdoors, to the leg or waist, leaving a gap between the strap 14 and the bedside railing or body. Finally, after the intelligent blood transfusion warming sleeve is fixed to the arm, the air valve at the end of the trachea is opened, and air is inflated using an air pump or air cylinder. This causes the air bag 2 to expand and pull the first chamber 21 and the chorionic membrane 22 on the surface of the first chamber 21 close to the surface of the arm. When the patient feels tension in the arm, the air supply is stopped, and the high and low temperature relay is activated through the intelligent control terminal. The setting value of the high and low temperature relay is set to 35℃-37℃. When the heater heats the water in the first chamber 21 to the upper limit, the high and low temperature relay will control the heater to turn off the power. When the water temperature in the first chamber 21 is lower than the lower limit, the high and low temperature relay will control the heater to turn on the power to heat, so that the water in the first chamber 21 is kept close to the surface temperature of the human body. Then, the water temperature is conducted to the surface of the arm through the chorionic membrane 22.

[0081] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 2 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0082] In the description of this invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this invention.

[0083] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

Claims

1. A smart transfusion device for hematology, comprising a transfusion tube and a smart transfusion warming sleeve, wherein the needle of the transfusion tube is inserted inside the smart transfusion warming sleeve to maintain the temperature of the transfusion site on the patient; characterized in that, The intelligent blood transfusion insulation sleeve includes: Sleeve (1), wherein the sleeve (1) is a cylindrical structure; The first slot (11) is opened on the upper surface of the sleeve (1) to accommodate the needle of the transfusion tube inserted into the vein of the patient's arm; Cover cloth (12), which is fixed to the upper surface of the sleeve (1) near the first slot (11) by a connecting strap; Male Velcro (121) is evenly installed on the surface of the cover fabric (12) and located at the end of the cover fabric (12) away from the cover body (1); The female hook and loop fastener (13) is evenly installed on the surface of the sleeve (1) and is located at the end of the first slot (11) away from the cover cloth (12); Fixing strap (14) is evenly fixed to the surface of the sleeve (1) and located on both sides of the first slot (11); A heat preservation unit is installed inside the sleeve (1) to keep the inside of the sleeve (1) warm.

2. The intelligent blood transfusion device for hematology according to claim 2, characterized in that: A fleece layer (122) is provided on the surface of the cover (12) and between the male Velcro (121) and the side of the cover (12) near the body (1), and the area of ​​the fleece layer (122) is larger than the cross-sectional area of ​​the first slot (11).

3. The intelligent blood transfusion device for hematology according to claim 3, characterized in that: A fixed pipe (15) is provided on the right side of the first slot (11) and on the outer surface of the sleeve (1). The top port of the fixed pipe (15) is connected to the outside of the sleeve (1), and rubber blocks (151) are symmetrically arranged on the inner surface of the fixed pipe (15) near the top port.

4. The intelligent blood transfusion device for hematology according to claim 4, characterized in that: A telescopic tube (16) is fixedly connected to the part of the sleeve (1) located on the left side of the first slot (11) and near the end of the sleeve (1).

5. The intelligent blood transfusion device for hematology according to claim 1, characterized in that: A rubber band (17) is installed inside the right port of the sleeve (1).

6. The intelligent blood transfusion device for hematology according to claim 5, characterized in that: A fixed half-ring (18) is installed inside the left port of the sleeve (1). The arc corresponding to the fixed half-ring (18) is a superior arc, and both ends of the fixed half-ring (18) are bent away from the central axis.

7. The intelligent blood transfusion device for hematology according to claim 6, characterized in that: A roller (181) is installed on the inner wall of the fixed semi-ring (18) and at the upper curved part.

8. The intelligent blood transfusion device for hematology according to claim 1, characterized in that: The insulation unit includes: Airbag (2), the airbag (2) is installed on the inner wall of the sleeve (1), and the airbag (2) is connected to the outside through an air tube; The first cavity (21) is installed on the side of the airbag (2) away from the inner wall of the sleeve (1), and the first cavity (21) is filled with water; A chorionic membrane (22) is installed on the side of cavity 1 (21) away from the airbag (2); A heater is installed at the bottom of the sleeve (1) and connected to a high and low temperature relay installed on the outside of the sleeve (1) to maintain the water temperature inside the first cavity (21).

9. The intelligent blood transfusion device for hematology according to claim 1, characterized in that: The outer surface of the sleeve (1) is made of leather.

10. A method for intelligent blood transfusion in hematology, characterized in that: This method is applicable to the intelligent blood transfusion device for hematology as described in any one of claims 1-9, and the method includes the following steps: S1: After verifying the relevant personal and medication information with the patient, the nurse raises the patient's arm that is to receive blood transfusion and wraps the smart blood transfusion warming sleeve around the arm. By adjusting the position of the smart blood transfusion warming sleeve, the first slot (11) on the surface of the sleeve (1) is aligned with the arm vein. The nurse applies alcohol to the needle insertion site, then inserts the needle of the transfusion tube into the arm vein, and applies medical tape to the needle and between the needle and the tubing to fix the position of the needle and tubing relative to the arm. S2: Then the nurse fastens the fixing strap (14) on the surface of the cover (1) to the guardrail on the side of the medical bed, and overlaps the male Velcro (121) on the cover (12) with the female Velcro (13) on the cover (1) so that the cover (12) fixes the position of the infusion needle and the tubing. At the same time, the cover (12) moves the villous layer (122) to cover the first slot (11) so that the villous layer (122) keeps the vein area in the first slot (11) warm, and places the tubing in the fixed tube (15) to prevent the tubing from moving and pulling the needle. S3: Open the air valve at the end of the trachea and inflate it with an air pump or air cylinder. Inflate the air bladder (2) inside the sleeve (1) and bring the No. 1 chamber (21) and the villous layer (122) closer to the patient's arm surface. When the patient's arm feels tension, stop the air supply and turn on the high and low temperature relay. By controlling the heater switch, the heater controls the water temperature within the temperature range of the human body surface, so that the water in the No. 1 chamber (21) keeps the wrapped arm surface warm. S4: After the blood transfusion is completed, turn off the high and low temperature relay and let the gas in the air bag (2) be released. Open the cover (12) and separate the male Velcro (121) from the female Velcro (13). Then pull out the needle and apply hemostatic cotton. Finally, remove the smart blood transfusion warming sleeve from the patient's arm by untying the fixing strap (14).

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