Deep vein rapid blood transfusion and infusion device

Abstract

The invention discloses a deep vein rapid blood transfusion and infusion device, and relates to the technical field of medical instruments. The blood and liquid transfusion device comprises a blood container, a pump, a temperature changing device and a bubble catcher, the blood container is provided with a liquid inlet end, a liquid outlet end and a negative pressure end, the liquid inlet end of the blood container is communicated with the liquid suction catheter, the liquid suction catheter is suitable for being communicated with operation field blood, and the negative pressure end of the blood container is suitable for being communicated with a negative pressure source of an operating room; one end of the pump is communicated with the liquid outlet end of the blood container; the liquid inlet end of the temperature changing device is communicated with the other end of the pump, and the temperature changing device is used for keeping the temperature of blood; the liquid inlet end of the bubble catcher is communicated with the liquid outlet end of the temperature changing device, the bubble catcher is used for catching bubbles in blood, the liquid outlet end of the bubble catcher is communicated with the blood transfusion catheter, and the blood transfusion catheter is suitable for being communicated with a deep vein channel. According to the deep vein rapid blood transfusion and infusion device, the blood transfusion and infusion efficiency is improved, and the safety of cardiac surgery is improved.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a deep vein rapid blood transfusion and infusion device. Background Technology

[0002] Currently, cardiac surgery has become increasingly sophisticated, and surgical techniques have improved significantly. In particular, highly complex major vascular surgeries such as thoracic and abdominal aortic replacement have become routine in some large cardiac centers.

[0003] Existing blood transfusion and infusion devices include a transfusion tube and an infusion tubing. One end of the transfusion tube is connected to a blood bag insertion needle, and the other end is connected to a venous puncture needle. A first flow stop clamp, a connecting tee, a drip chamber, and a flow regulator are sequentially installed on the transfusion tube between the blood bag insertion needle and the venous puncture needle. The transfusion tube is connected to one end of the infusion tubing via the connecting tee. At least two infusion tee stops are sequentially connected to the other end of the infusion tubing. Each infusion tee includes a gate valve and an inlet, with a check valve at the inlet. A second flow stop clamp is installed on the infusion tubing between the connecting tee and the infusion tee. However, due to significant bleeding during surgery, this type of blood transfusion and infusion device cannot collect blood from the surgical field before rapidly transfusing it to the central venous access established by the anesthesiologist, resulting in low surgical efficiency and safety. Summary of the Invention

[0004] The main objective of this invention is to provide a deep vein rapid blood transfusion device, which aims to rapidly deliver blood from the surgical field to the deep vein access placed by the anesthesiologist, thereby improving blood delivery efficiency and enhancing surgical efficiency and safety.

[0005] To achieve the above objectives, the present invention proposes a deep vein rapid blood transfusion and infusion device, the device comprising: A blood container has an inlet end, an outlet end, and a negative pressure end. The inlet end of the blood container is connected to an aspiration tube, which is adapted to communicate with blood in the surgical field. The negative pressure end of the blood container is adapted to communicate with a negative pressure source in the operating room. A pump, one end of which is connected to the outlet end of the blood container; A temperature-regulating device, wherein the inlet of the temperature-regulating device is connected to the other end of the pump, and the temperature-regulating device is used to maintain the temperature of the blood; and A bubble trap, wherein the inlet end of the bubble trap is connected to the outlet end of the temperature-changing device, the bubble trap is used to capture bubbles in the blood, and the outlet end of the bubble trap is connected to a blood transfusion catheter, the blood transfusion catheter being adapted for deep vein access.

[0006] Optionally, the temperature-changing device includes a temperature-changing water tank, a temperature-changing tube, and an external circulation water tank. The temperature-changing tube is disposed in the temperature-changing water tank, and its two ends are respectively connected to the pump and the bubble trap. The external circulation water tank is circulatedly connected to the temperature-changing water tank. The external circulation water tank is used to deliver water at the target temperature to the temperature-changing water tank and exchange heat with the blood flowing through the temperature-changing tube to keep the blood temperature at the target temperature.

[0007] Optionally, the variable temperature tube is spiral-shaped.

[0008] Optionally, the variable temperature tube is made of 304 stainless steel.

[0009] Optionally, the bubble trap includes a trapping body and a filter screen disposed within the trapping body.

[0010] Optionally, the bubble trap is equipped with a pressure sensor for detecting the blood pressure passing through the bubble trap.

[0011] Optionally, the pump is a three-inch rolling pump.

[0012] Optionally, the blood transfusion catheter includes a main tube and three branch tubes connected to the main tube.

[0013] Optionally, each of the branch pipes is provided with a connector at its output end.

[0014] Optionally, the connector is a Luer connector.

[0015] In the technical solution of the present invention, the blood transfusion and infusion device includes a blood container, a pump, a temperature-changing device, and an air bubble trap; the blood container has an inlet end, an outlet end, and a negative pressure end, the inlet end of the blood container is connected to an aspiration catheter, the aspiration catheter is adapted to be connected to the blood in the surgical field, and the negative pressure end of the blood container is adapted to be connected to a negative pressure source in the operating room; one end of the pump is connected to the outlet end of the blood container; the inlet end of the temperature-changing device is connected to the other end of the pump, and the temperature-changing device is used to maintain the temperature of the blood; the inlet end of the air bubble trap is connected to the outlet end of the temperature-changing device, the air bubble trap is used to capture air bubbles in the blood, and the outlet end of the air bubble trap is connected to a blood transfusion catheter, the blood transfusion catheter is adapted to be connected to a deep vein access. It is understood that the present invention provides a deep vein rapid blood transfusion device, which rapidly aspirates blood from the surgical field into a blood container using negative pressure, then rapidly delivers the blood to a temperature-controlled device for insulation, then captures air bubbles using an air bubble trap, and finally rapidly delivers it to the deep vein access placed by the anesthesiologist through a blood transfusion catheter. In this way, the blood from the surgical field is rapidly delivered to the deep vein access placed by the anesthesiologist, improving blood delivery efficiency and thus improving surgical efficiency and safety. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of an embodiment of the blood transfusion and infusion device of the present invention.

[0018] Explanation of icon numbers: 10. Blood container; 20. Pump; 30. Temperature control device; 40. Bubble trap; 51. Suction tubing; 52. Transfusion tubing; 53. Negative pressure access tubing; 31. Temperature-controlled water bath; 32. Temperature-controlled tube; 33. Extracorporeal circulation tank; 41. Capture body; 42. Filter screen; 43. Pressure sensor; 521. Connector.

[0019] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0021] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0022] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0023] Furthermore, the use of terms such as "first" and "second" in this invention is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. The word "and / or" throughout the text means including three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. The technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0024] This invention proposes a deep vein rapid blood transfusion and infusion device, mainly used in cardiac surgery procedures such as thoracic and abdominal aortic replacement.

[0025] Reference Figure 1 In one embodiment of the present invention, the blood transfusion device includes a blood container 10, a pump 20, a temperature-changing device 30, and an air bubble trap 40. The blood container 10 has an inlet end, an outlet end, and a negative pressure end. The inlet end of the blood container 10 is connected to an aspiration catheter 51, which is adapted to communicate with the blood in the surgical field. The negative pressure end of the blood container 10 is adapted to communicate with a negative pressure source in the operating room through a negative pressure access pipe 53. One end of the pump 20 is connected to the outlet end of the blood container 10. The inlet end of the temperature-changing device 30 is connected to the other end of the pump 20, and the temperature-changing device 30 is used to maintain the temperature of the blood. The inlet end of the air bubble trap 40 is connected to the outlet end of the temperature-changing device 30, and the air bubble trap 40 is used to capture air bubbles in the blood. The outlet end of the air bubble trap 40 is connected to a blood transfusion catheter 52, which is adapted to communicate with a deep vein.

[0026] In this embodiment, the suction end of the suction catheter 51 is connected to the bleeding site such as the abdominal cavity or pleural cavity to aspirate blood from the surgical field into the blood container 10. The suction catheter 51 can be one, two, or more catheters, which is not limited here.

[0027] In this embodiment, pump 20 is preferably a three-inch rolling pump, but this is not a limitation.

[0028] Both the inlet and the negative pressure end of the blood container 10 can be located at the top of the blood container 10 to enable rapid blood aspiration. The outlet end can be located at the bottom of the blood container 10 to rapidly deliver blood to the temperature-changing device 30 by gravity. The blood container 10 can be a membrane oxygenator or other containers capable of storing blood, and is not limited here.

[0029] The temperature-regulating device 30 may be a temperature-regulating device that can maintain the blood at a certain temperature; no specific limitation is made here.

[0030] The bubble trap 40 may be a device capable of removing bubbles from the blood; no specific limitation is made here.

[0031] In this embodiment, the blood transfusion catheter 52 may include a main tube and three branch tubes connected to the main tube, each branch tube having a connector 521 at its output end. The connector 521 is a Luer connector. Thus, blood can be directly delivered to the deep vein access placed by the anesthesiologist through the blood transfusion catheter 52.

[0032] It is understood that the present invention provides a deep vein rapid blood transfusion device, which rapidly aspirates blood from the surgical field into a blood container 10 using negative pressure, then rapidly delivers the blood to a temperature-changing device 30 for heat preservation using a pump 20, then captures air bubbles using a bubble trap 40, and then rapidly delivers the blood to the deep vein access placed by the anesthesiologist through a blood transfusion catheter 52. In this way, the blood from the surgical field is rapidly delivered to the deep vein access placed by the anesthesiologist, improving blood delivery efficiency and thus improving surgical efficiency and safety.

[0033] In one embodiment, reference is made to Figure 1 The temperature-regulating device 30 may include a temperature-regulating water tank 31, a temperature-regulating tube 32, and an external circulation water tank 33. The temperature-regulating tube 32 is located inside the temperature-regulating water tank 31, and its two ends are respectively connected to the pump 20 and the bubble trap 40. The external circulation water tank 33 is in cyclical communication with the temperature-regulating water tank 31. The external circulation water tank 33 is used to deliver water at the target temperature to the temperature-regulating water tank 31 and exchange heat with the blood flowing through the temperature-regulating tube 32 to maintain the blood temperature at the target temperature. In this way, the temperature of the flowing blood can be maintained within the target temperature range by adjusting the water temperature for direct use by the perfusionist.

[0034] In this embodiment, the external circulation water tank 33 can be an intelligent water tank that can adjust the water temperature. This water tank can automatically circulate and supply water to the variable temperature water tank 31.

[0035] In this embodiment, the temperature-changing tube 32 can be spiral-shaped, and the material of the temperature-changing tube 32 can be 304 stainless steel. This design helps to improve heat exchange efficiency and allow the blood temperature to be quickly adjusted to the target level.

[0036] In one embodiment, reference is made to Figure 1 The bubble trap 40 may include a trapping body 41 and a filter screen 42 disposed within the trapping body 41. The filter screen 42 may be disposed laterally within the trapping body 41 to achieve rapid filtration under the action of gravity, thereby efficiently removing bubbles.

[0037] To ensure that the blood pressure delivered to the central venous access placed by the anesthesiologist is at an appropriate level, in one embodiment, reference is made to... Figure 1The bubble trap 40 may be equipped with a pressure sensor 43, which is used to detect the blood pressure passing through the bubble trap 40.

[0038] During the procedure, the patient is first heparinized. Due to the large amount of bleeding that occurs during the operation, the blood from the surgical field is drawn into the blood container 10 through the negative pressure source of the operating room. It is then delivered to the temperature control device 30 by a 3-inch rolling pump 20 to maintain the temperature of the blood. The blood then passes through a microbubble trap 40 to remove air bubbles, while the pressure is measured. Finally, it is quickly infused into the deep vein access placed by the anesthesiologist through a three-way bifurcated catheter device.

[0039] The above description is merely an optional embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention.

Claims

1. A deep vein rapid blood transfusion and infusion device, characterized in that, The blood transfusion and infusion device includes: A blood container has an inlet end, an outlet end, and a negative pressure end. The inlet end of the blood container is connected to an aspiration tube, which is adapted to communicate with blood in the surgical field. The negative pressure end of the blood container is adapted to communicate with a negative pressure source in the operating room. A pump, one end of which is connected to the outlet end of the blood container; A temperature-regulating device, wherein the inlet of the temperature-regulating device is connected to the other end of the pump, and the temperature-regulating device is used to maintain the temperature of the blood; and A bubble trap, wherein the inlet end of the bubble trap is connected to the outlet end of the temperature-changing device, the bubble trap is used to capture bubbles in the blood, and the outlet end of the bubble trap is connected to a blood transfusion catheter, the blood transfusion catheter being adapted for deep vein access.

2. The blood transfusion and infusion device as described in claim 1, characterized in that, The temperature-changing device includes a temperature-changing water tank, a temperature-changing tube, and an external circulation water tank. The temperature-changing tube is located inside the temperature-changing water tank, and its two ends are respectively connected to the pump and the bubble trap. The external circulation water tank is circulated and connected to the temperature-changing water tank. The external circulation water tank is used to deliver water at the target temperature to the temperature-changing water tank and exchange heat with the blood flowing through the temperature-changing tube to keep the blood temperature at the target temperature.

3. The blood transfusion and infusion device as described in claim 2, characterized in that, The variable temperature tube is spiral-shaped.

4. The blood transfusion and infusion device as described in claim 2, characterized in that, The variable temperature tube is made of 304 stainless steel.

5. The blood transfusion and infusion device as described in claim 1, characterized in that, The bubble trap includes a trapping body and a filter screen disposed within the trapping body.

6. The blood transfusion and infusion device as described in claim 5, characterized in that, The bubble trap is equipped with a pressure sensor for detecting the blood pressure passing through the bubble trap.

7. The blood transfusion and infusion device as described in claim 1, characterized in that, The pump is a three-inch rolling pump.

8. The blood transfusion and infusion device as described in claim 1, characterized in that, The blood transfusion catheter includes a main tube and three branch tubes connected to the main tube.

9. The blood transfusion and infusion device as described in claim 8, characterized in that, Each branch pipe has a connector at its output end.

10. The blood transfusion and infusion device as described in claim 9, characterized in that, The connector is a Luer connector.

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