CN113694294A

CN113694294A - Automatic pressure regulating type intraoperative autoblood reinfusion device

Info

Publication number: CN113694294A
Application number: CN202110944571.0A
Authority: CN
Inventors: 冯华蓉
Original assignee: Nanjing Duoliangxi Technology Co ltd
Current assignee: Wan Jingjing
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-11-26
Anticipated expiration: 2041-08-17
Also published as: CN113694294B

Abstract

The invention discloses an automatic pressure-regulating intraoperative autologous blood reinfusion device, comprising a box body, characterized in that an induction mechanism is arranged inside the box body, and a pressure regulating mechanism is arranged on the upper end of the box body, so The inside of the box body is provided with a liquid spray mechanism, the outside of the box body is provided with a proportioning mechanism, the induction mechanism and the liquid spray mechanism are cooperatively connected, the induction mechanism and the proportioning mechanism are connected by pipes, and the induction mechanism is connected with the liquid spray mechanism. The pressure regulating mechanism is connected by pipeline, the upper end of the box body is fixedly connected with a power supply, the induction mechanism includes a motor, the motor is fixedly connected with the box body, the motor is electrically connected with the power supply, and the output shaft of the motor is fixedly connected with a The central shaft, the outer end of the central shaft is provided with a plurality of groups of bumps, and the inside of the box is movably connected with a disc. The present invention has strong practicability and can adjust the amount of anticoagulant added in real time according to the blood loss rate of the patient and return speed characteristics.

Description

Automatic pressure regulating type intraoperative autoblood reinfusion device

Technical Field

The invention relates to the technical field of surgical operations, in particular to an automatic pressure regulating type intraoperative autoblood reinfusion device.

Background

The bleeding and even the heavy bleeding of a patient in the operation process are one of the common risks of the operation treatment modes, the life safety of the operation patient is a serious threat, when the condition occurs, the most important condition is to timely and fully transfuse blood to the bleeding patient to supplement the loss of the blood, because the blood resource is scarce, the blood using requirements of various medical institutions in the operation can not be met sometimes, the autologous blood of the patient needs to be collected for transfusion, the autologous blood transfusion method comprises pre-stored autologous blood transfusion, diluted autologous blood transfusion and recovery autologous blood transfusion, the recovery autologous blood transfusion is mainly adopted aiming at the heavy bleeding in the operation at present, even if the blood lost in the operation of the patient is collected, filtered, separated, cleaned and purified by using equipment such as a blood recovery machine and the like and then is input into the body of the patient, thus not only solving the blood source problem and the adverse factors of the allogenic blood transfusion, the method is characterized in that the method comprises the steps of collecting the pollution-free accumulated blood in the body cavity of a patient into a special blood recovery and storage device for storage, adding anticoagulant according to a certain proportion and speed to prevent blood from coagulating, and simultaneously infusing the blood back to the patient according to the amount of the blood lost of the patient, wherein the blood lost speed of the patient changes at any time, and the amount of the anticoagulant to be added and the infusion speed of the anticoagulant to be added need to be adjusted in real time according to the blood lost speed of the patient, so that the method is very necessary to design an automatic pressure regulating type intraoperative autologous blood infusion device which is high in practicability and can adjust the amount of the anticoagulant to be added and the infusion speed in real time according to the blood lost speed of the patient.

Disclosure of Invention

The invention aims to provide an automatic pressure regulating type intraoperative autologous blood transfusion device to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an autoblood feedback device in automatic pressure regulating formula art, includes the box, its characterized in that: the improved spraying device is characterized in that an induction mechanism is arranged inside the box body, a pressure adjusting mechanism is arranged at the upper end of the box body, a liquid spraying mechanism is arranged inside the box body, a proportioning mechanism is arranged outside the box body, the induction mechanism and the liquid spraying mechanism are connected in a matched mode, the induction mechanism and the proportioning mechanism are connected through a pipeline, and the induction mechanism is connected with the pressure adjusting mechanism through a pipeline.

According to the technical scheme, the upper end of the box body is fixedly connected with a power supply, the induction mechanism comprises a motor, the motor is fixedly connected with the box body, the motor is electrically connected with a power supply, an output shaft of the motor is fixedly connected with a central shaft, a plurality of groups of convex blocks are arranged at the outer end of the central shaft, a disc is movably connected inside the box body, a plurality of groups of concave blocks are arranged inside the disc, the concave blocks are matched and connected with the convex blocks, a plurality of groups of blades are fixedly connected with the excircle of the disc, a blood pump is connected with the downstream pipeline of the box body, a bracket is arranged on the side surface of the box body, a right transfusion bottle is fixedly connected with the upper end of the bracket, the blood pump is connected with a right transfusion bottle pipeline, the right transfusion bottle is connected with a human body pipeline, the box body is connected with the human body pipeline, the middle pipeline of box and human body is provided with the filter screen, the right side pipeline of box is connected with the negative pressure pump.

According to the technical scheme, the inside of blade is provided with the inner chamber, the inside fixedly connected with pressure spring of inner chamber, the other end fixedly connected with piston of pressure spring, pressure adjustment mechanism includes resistance, resistance and box fixed connection, the inside of resistance is provided with the guide rail, the right-hand member fixedly connected with dog of resistance, the left end fixedly connected with elasticity bag of dog, the left end fixedly connected with insulator of elasticity bag, the left end fixedly connected with slider of insulator, the slider is connected with the guide rail cooperation, the left end and the power electricity of resistance are connected, the upper end and the negative pressure pump electricity of slider are connected, the inner chamber is connected with elasticity bag pipeline.

According to the technical scheme, the liquid spraying mechanism comprises a liquid tank, the liquid tank is fixedly connected with the tank body, a downstream pipeline of the liquid tank is connected with a liquid pump, a liquid cavity is formed in the center shaft and is connected with a liquid cavity pipeline, a through hole is formed in the middle of the liquid cavity and a protruding block, a spring is fixedly connected inside the through hole, a one-way ball is fixedly connected to the other end of the spring, a spray head is connected to the rear end of the protruding block through a pipeline, a pull rope is fixedly connected in the middle pipeline of the protruding block and the spray head, and a ball is sealed by the other end of the pull rope.

According to the technical scheme, ratio mechanism includes the ratio case, ratio case and support fixed connection, the inside of ratio case is provided with multiunit blood case, multiunit the equal fixedly connected with extension spring in inside of blood case, the other end fixedly connected with sac of extension spring, the inside of sac is provided with the baffle, the centre of baffle is provided with the intermediate aperture, the baffle falls into epicoele and cavity of resorption to the sac, multiunit the sac end to end pipe connection, the cavity of resorption and the inner chamber pipe connection of sac, the upper end pipe connection of right transfusion bottle and multiunit blood case, the lower extreme pipe connection of human and multiunit blood case.

According to the technical scheme, the right-hand member fixedly connected with ejector pin of filter screen, the upper end fixedly connected with electric box of box, the inside of electric box is provided with the switch, the switch is connected with the motor electricity, the left transfusion bottle of upper end fixedly connected with of support, the middle fixedly connected with connecting box of left transfusion bottle and right transfusion bottle, the left side of connecting box is provided with left chamber, the inside fixedly connected with elasticity rope in left chamber, the other end fixedly connected with ejector pad of elasticity rope, left chamber and inner chamber pipe connection.

According to the technical scheme, the upper end of the filter screen is connected with a liquid tank pipeline, the middle pipeline of the filter screen and the liquid tank is fixedly connected with the elastic rope, the other end of the elastic rope is fixedly connected with the air bag, and the air bag is connected with an upper cavity pipeline of the liquid bag.

According to the technical scheme, the box body is made of stainless steel.

According to the technical scheme, the surface of the box body is uniformly coated with the polyurethane lubricating coating.

According to the technical scheme, the liquid bag is made of elastic rubber.

Compared with the prior art, the invention has the following beneficial effects: the invention can conveniently detect the blood loss amount of the human body by arranging the induction mechanism, can balance the negative pressure by the pressure adjusting mechanism, can reduce the negative pressure under the condition of too much blood loss amount, can increase the negative pressure under the condition of less blood loss amount so as to achieve the aim of adjusting the blood volume of the human body and prevent the excessive loss of blood, can spray anticoagulant into the blood by the liquid spraying mechanism according to the blood loss amount of the human body so as to prevent the blood from coagulating, achieves the aims of more spraying when the blood is too much and less spraying when the blood is too little, can control the blood volume conveyed to the human body by the proportioning mechanism and is linked with the induction mechanism, can replenish a large amount of blood under the condition of too much blood loss of the human body, has less blood replenishing amount under the condition of less blood loss of the human body so as to achieve the aim of automatically controlling the blood replenishing amount, and can automatically control the blood replenishing amount when a blood drawing pipeline is blocked, can be switched to the blood stored in advance for transfusion of human body, thereby achieving the purpose of guaranteeing the life safety of human body.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall front cross-sectional structural schematic view of the present invention;

FIG. 3 is a schematic view of the hydraulic connection of the liquid ejection mechanism of the present invention;

FIG. 4 is a schematic view of the partial structure at A of the present invention;

FIG. 5 is a schematic view of the partial structure of the present invention at B;

FIG. 6 is a schematic view of the partial structure at C of the present invention;

FIG. 7 is a schematic view of the partial structure at D of the present invention;

FIG. 8 is a schematic view of the invention in partial configuration at E;

in the figure: 1. a box body; 2. a liquid tank; 3. a blood pump; 4. a right hanging bottle; 5. a left hanging bottle; 6. a support; 7. a proportioning box; 8. a liquid pump; 9. a filter screen; 10. a central shaft; 11. a liquid chamber; 12. a bump; 13. a disc; 14. a blade; 15. an inner cavity; 16. a piston; 17. a pressure spring; 18. a through hole; 19. a one-way ball; 20. a spring; 21. a left lumen; 22. a blood box; 23. a tension spring; 24. a liquid sac; 25. a negative pressure pump; 27. a switch; 28. an electric box; 29. a connecting box; 30. an elastic cord; 31. a push block; 32. a spray head; 33. pulling a rope; 34. sealing a ball; 35. a concave block; 36. a power source; 37. a resistance; 38. a stopper; 39. an elastic bag; 40. an insulator; 41. a slider; 42. a guide rail; 43. a partition plate; 44. a middle hole; 45. an elastic cord; 46. an air bag; 47. and a push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides the following technical solutions: the utility model provides an autoblood feedback device in automatic pressure regulating formula art, includes box 1, its characterized in that: the induction mechanism is arranged in the box body 1, the pressure regulating mechanism is arranged at the upper end of the box body 1, the liquid spraying mechanism is arranged in the box body 1, the proportioning mechanism is arranged outside the box body 1, the induction mechanism is connected with the liquid spraying mechanism in a matched mode, the induction mechanism is connected with the proportioning mechanism in a pipeline mode, the induction mechanism is connected with the pressure regulating mechanism in a pipeline mode, the induction mechanism is arranged, the amount of blood loss of a human body can be conveniently detected, the negative pressure can be balanced through the pressure regulating mechanism, the negative pressure is reduced under the condition that the amount of blood loss is too large, the negative pressure is increased under the condition that the amount of blood loss is less, the purpose of regulating the blood volume of the human body is achieved, excessive blood loss is prevented, meanwhile, anticoagulant is sprayed into blood by the liquid spraying mechanism according to the amount of blood loss of the human body to prevent blood coagulation, and more anticoagulant is sprayed when blood is too much, the purpose of less spraying when the blood is less is achieved, the proportioning mechanism can control the amount of the blood conveyed to a human body and is linked with the sensing mechanism, a large amount of blood is supplemented under the condition of excessive blood loss of the human body, and the amount of the blood is less under the condition of less blood loss of the human body, so that the purpose of automatically controlling the amount of the blood is achieved, and meanwhile, when a blood drawing pipeline is blocked, the blood stored in advance can be switched to be used for transfusion of the human body, so that the purpose of guaranteeing the life safety of the human body is achieved;

the upper end of the box body 1 is fixedly connected with a power supply 36, the induction mechanism comprises a motor, the motor is fixedly connected with the box body 1, the motor is electrically connected with the power supply 36, an output shaft of the motor is fixedly connected with a central shaft 10, the outer end of the central shaft 10 is provided with a plurality of groups of convex blocks 12, the inside of the box body 1 is movably connected with a disc 13, the inside of the disc 13 is provided with a plurality of groups of concave blocks 35, the plurality of groups of concave blocks 35 are matched and connected with the convex blocks 12, the excircle of the disc 13 is fixedly connected with a plurality of groups of blades 14, a downstream pipeline of the box body 1 is connected with a blood pump 3, the side surface of the box body 1 is provided with a bracket 6, the upper end of the bracket 6 is fixedly connected with a right transfusion bottle 4, the blood pump 3 is connected with a right transfusion bottle 4 pipeline, the right transfusion bottle 4 is connected with a human body pipeline, the box body 1 is connected with the human body pipeline, a filter screen 9 is arranged in the middle pipeline of the box body 1, the right side pipeline is connected with a negative pressure pump 25, in the operation process, under the action of the negative pressure pump 25, the waste blood in the human body passes through the pipeline, part of impurities are filtered out through the filter screen, then the waste blood enters the box body 1, meanwhile, under the driving of the motor, the central shaft 10 starts to rotate, and the disc 13 is driven to rotate through the matching of the convex block 12 and the concave block 35, so that the blades 14 are driven to rotate, the blood entering the box body 1 is stirred, the blood is prevented from being solidified, then the blood in the box body 1 is pumped into the right hanging bottle 4 through the blood pump 3 and is back infused into the human body, and the purpose of back infusion of the waste blood in the operation is achieved;

the inner cavity 15 is arranged in the blade 14, the pressure spring 17 is fixedly connected in the inner cavity 15, the piston 16 is fixedly connected at the other end of the pressure spring 17, the pressure adjusting mechanism comprises a resistor 37, the resistor 37 is fixedly connected with the box body 1, a guide rail 42 is arranged in the resistor 37, a stopper 38 is fixedly connected at the right end of the resistor 37, an elastic bag 39 is fixedly connected at the left end of the stopper 38, an insulator 40 is fixedly connected at the left end of the elastic bag 39, a slider 41 is fixedly connected at the left end of the insulator 40, the slider 41 is connected with the guide rail 42 in a matching manner, the left end of the resistor 37 is electrically connected with the power supply 36, the upper end of the slider 41 is electrically connected with the negative pressure pump 25, the inner cavity 15 is connected with the elastic bag 39 through a pipeline, hydraulic oil is arranged in the inner cavity 15 and the elastic bag 39, along with the rotation of the blade 14, the piston 16 moves towards the far axial end due to the action of centrifugal force, so that the pressure in the inner cavity 15 is reduced, the hydraulic oil in the elastic bag 39 enters the inner cavity 15 through the pipeline, the elastic bag 39 begins to contract along with the reduction of the hydraulic oil in the elastic bag 39, the sliding block 41 is driven by the insulating body 40 to move leftwards in the guide rail 42, so that the conducting length of the resistor 37 is shortened, the resistance value is reduced, and the pressure of the negative pressure output by the negative pressure pump 25 is increased, therefore, when the blade 14 rotates faster, the blood in the box body 1 is less, the pressure output by the negative pressure pump 25 is increased, when the blade 14 rotates slower, the blood in the box body 1 is more, the pressure output by the negative pressure pump 25 is reduced, so that the negative pressure is reduced under the condition of too much blood loss, the negative pressure is increased under the condition of less blood loss, the aim of adjusting the blood volume of a human body is achieved, and the excessive blood loss is prevented;

the liquid spraying mechanism comprises a liquid box 2, the liquid box 2 is fixedly connected with a box body 1, a downstream pipeline of the liquid box 2 is connected with a liquid pump 8, a liquid cavity 11 is arranged inside a central shaft 10, the liquid pump 8 is connected with the liquid cavity 11 through a pipeline, a through hole 18 is arranged between the liquid cavity 11 and a projection 12, a spring 20 is fixedly connected inside the through hole 18, a one-way ball 19 is fixedly connected at the other end of the spring 20, a nozzle 32 is connected with a rear end pipeline of the projection 12, a pull rope 33 is fixedly connected in the middle pipeline of the projection 12 and the nozzle 32, and a sealing ball 34 is fixedly connected at the other end of the pull rope 33. when the blade 14 stirs blood, the blade 14 bears the resistance of the blood, so that the disk 13 rotates under the action of resistance, when the disk 13 bears the resistance, a larger resistance is also generated between the projection 12 and a concave block 35, because the projection 12 is made of a softer material and is internally provided with an anticoagulant, under the action of the larger resistance, the lug 12 sometimes cannot move the disc 13 through the concave block 35, so that a rotation difference occurs between the central shaft 10 and the disc 13, and further the lug 12 is pressed by the concave block 35, and during the process of pressing the lug 12, the anticoagulant in the bump 12 pushes the sealing ball 34 open and enters the blood through the nozzle 32, so as to achieve the effect of delaying blood coagulation, after the anticoagulant in the bump 12 is squeezed out, the pressure inside becomes small, and after the squeezing is eliminated, the anticoagulant in the liquid chamber 11 pushes the one-way ball 19 aside, the convex block 12 is supplemented with anticoagulant, and the anticoagulant in the liquid cavity 11 can be supplemented at any time under the action of the liquid tank 2 and the liquid pump 8, and the more blood inside the case 1, the more resistance the disc 13 receives, the more times the bumps 12 are pressed, therefore, the anticoagulant can be sprayed according to the bleeding amount of the human body, and the aims of spraying more blood and spraying less blood are fulfilled;

the proportioning mechanism comprises a proportioning box 7, the proportioning box 7 is fixedly connected with a bracket 6, a plurality of groups of blood boxes 22 are arranged inside the proportioning box 7, tension springs 23 are fixedly connected inside the groups of blood boxes 22, liquid bags 24 are fixedly connected with the other ends of the tension springs 23, partition plates 43 are arranged inside the liquid bags 24, middle holes 44 are arranged in the middles of the partition plates 43, the liquid bags 24 are divided into upper cavities and lower cavities by the partition plates 43, the groups of liquid bags 24 are connected in an end-to-end pipeline manner, the lower cavities of the liquid bags 24 are connected with an inner cavity 15 in a pipeline manner, a right hanging bottle 4 is connected with upper end pipelines of the groups of blood boxes 22, a human body is connected with lower end pipelines of the groups of blood boxes 22, when no blood exists in the box body 1, the human body is not lost, gas is stored in the liquid bags 24 at the moment, the liquid bags 24 move upwards and block inlets at the upper ends of the blood boxes 22 under the driving of the gas, so that the blood in the right hanging bottle 4 can not enter the human body through the blood boxes 22, when blood begins to exist in the box body 1, the blood loss of a human body is shown, because the rotating speed of the blades 14 is slowed due to the action of blood resistance, the piston 16 begins to move towards the shaft end, the hydraulic oil in the inner cavity 15 is squeezed into the liquid bag 24, because the hydraulic oil and the gas in the liquid bag 24 are incompatible, the gas in the original liquid bag 24 can be squeezed out with the increase of the hydraulic oil entering the liquid bag 24, the liquid bag 24 slowly moves downwards and opens a pipeline at the upper end of the blood box 22 due to the increase of the liquid, the blood in the right transfusion bottle 4 can enter the human body through the blood box, because the head and tail pipelines of a plurality of groups of liquid bags 24 are connected, when the first liquid bag 24 is filled with the hydraulic oil, the hydraulic oil entering the liquid bag 24 in the inner cavity 15 increases with the increase of the blood loss of the human body, the liquid bags 24 filled with the hydraulic oil also increase, and the blood boxes 22 with the pipelines at the upper ends opened also increase, therefore, the blood entering the human body through the blood box 22 is increased through the right hanging bottle 4, so that a large amount of blood is supplemented under the condition of excessive blood loss of the human body, and the blood replenishing quantity is less under the condition of less blood loss of the human body, thereby realizing the purpose of automatically controlling the blood replenishing quantity;

the right end of the filter screen 9 is fixedly connected with a mandril 47, the upper end of the box body 1 is fixedly connected with an electric box 28, the interior of the electric box 28 is provided with a switch 27, the switch 27 is electrically connected with a motor, the upper end of the bracket 6 is fixedly connected with a left transfusion bottle 5, the middle of the left transfusion bottle 5 and the right transfusion bottle 4 is fixedly connected with a connecting box 29, the left side of the connecting box 29 is provided with a left cavity 21, the interior of the left cavity 21 is fixedly connected with an elastic rope 30, the other end of the elastic rope 30 is fixedly connected with a push block 31, the left cavity 21 is in pipeline connection with the inner cavity 15, when the filter screen 9 is blocked, the filter screen 9 slowly swells towards the right end due to the pressure of left end blood and the suction of right end negative pressure, thereby driving the mandril 47 to move towards the right, when the filter screen 9 swells to a certain degree, the mandril 47 pushes the switch 27, the induction mechanism stops working, at the moment, a large amount of the inner cavity 15 enters the liquid bag 24, all blood boxes 22 are in a smooth pipeline state, meanwhile, a large amount of hydraulic oil in the inner cavity 15 enters the left cavity 21, the push block 31 is pushed to move rightwards, the pipeline of the right transfusion bottle 4 is blocked along with the movement of the push block 31, and the pipeline in the left transfusion bottle 5 is opened, because the left transfusion bottle 5 stores blood prepared in advance, the blood can be timely reinfused for a human body, so that the aims of switching blood paths under the condition that the front end blood path is blocked and ensuring the life safety of the human body are fulfilled;

the upper end of the filter screen 9 is connected with the liquid tank 2 through a pipeline, an elastic rope 45 is fixedly connected with a middle pipeline of the filter screen 9 and the liquid tank 2, the other end of the elastic rope 45 is fixedly connected with an air bag 46, the air bag 46 is connected with an upper cavity pipeline of the liquid bag 24, when the sensing mechanism stops working, a large amount of hydraulic oil in the inner cavity 15 enters the liquid bag 24 at the moment, original gas in the liquid bag 24 is squeezed into the air bag 46, the air bag 46 expands due to the increase of the gas, the density of the air bag gradually decreases, and the pipeline below the air bag is opened under the pulling force of the elastic rope 45, so that anticoagulant in the liquid tank 2 enters the filter screen 9 and slowly softens blood to achieve the effect of assisting in clearing blood blockage;

the box body 1 is made of stainless steel, so that the corrosion resistance of the box body 1 is improved conveniently, and the service life of the box body is prolonged;

the surface of the box body 1 is uniformly coated with a polyurethane lubricating coating, so that the corrosion resistance of the box body 1 is improved, and the service life of the box body is prolonged;

the liquid sac 24 is made of elastic rubber, so that the liquid sac 24 has high elastic deformation capacity and is flexible to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an autoblood feedback device in automatic pressure regulating formula art, includes box (1), its characterized in that: the inside of box (1) is provided with response mechanism, the upper end of box (1) is provided with pressure adjustment mechanism, the inside of box (1) is provided with hydrojet mechanism, the outside of box (1) is provided with proportioning mechanism, response mechanism and hydrojet mechanism cooperation are connected, response mechanism and proportioning mechanism pipe connection, response mechanism and pressure adjustment mechanism pipe connection.

2. The automatic pressure regulating intraoperative autologous blood transfusion device according to claim 1, wherein: the upper end of the box body (1) is fixedly connected with a power supply (36), the induction mechanism comprises a motor, the motor is fixedly connected with the box body (1), the motor is electrically connected with the power supply (36), an output shaft of the motor is fixedly connected with a center shaft (10), the outer end of the center shaft (10) is provided with a plurality of groups of convex blocks (12), the inner part of the box body (1) is movably connected with a disc (13), a plurality of groups of concave blocks (35) are arranged inside the disc (13), the plurality of groups of concave blocks (35) are matched and connected with the convex blocks (12), a plurality of groups of blades (14) are fixedly connected with the excircle of the disc (13), a downstream pipeline of the box body (1) is connected with a blood pump (3), a support (6) is arranged on the side surface of the box body (1), a right infusion bottle sling (4) is fixedly connected with the upper end of the support (6), and the blood pump (3) is connected with the right infusion bottle sling (4) through a pipeline, the infusion bottle (4) is connected with a human body pipeline, the box body (1) is connected with the human body pipeline, a filter screen (9) is arranged on the middle pipelines of the box body (1) and the human body, and a negative pressure pump (25) is connected to the right side pipeline of the box body (1).

3. The automatic pressure regulating intraoperative autologous blood transfusion device according to claim 2, wherein: the pressure regulating device is characterized in that an inner cavity (15) is formed in the blade (14), a pressure spring (17) is fixedly connected in the inner cavity (15), a piston (16) is fixedly connected to the other end of the pressure spring (17), the pressure regulating mechanism comprises a resistor (37), the resistor (37) is fixedly connected with the box body (1), a guide rail (42) is arranged in the resistor (37), a check block (38) is fixedly connected to the right end of the resistor (37), an elastic bag (39) is fixedly connected to the left end of the check block (38), an insulator (40) is fixedly connected to the left end of the elastic bag (39), a sliding block (41) is fixedly connected to the left end of the insulator (40), the sliding block (41) is connected with the guide rail (42) in a matched mode, the left end of the resistor (37) is electrically connected with a power source (36), and the upper end of the sliding block (41) is electrically connected with a negative pressure pump (25), the inner cavity (15) is connected with the elastic bag (39) through a pipeline.

4. The automatic pressure regulating intraoperative autologous blood transfusion device according to claim 3, wherein: liquid spraying mechanism includes liquid tank (2), liquid tank (2) and box (1) fixed connection, the downstream pipe connection of liquid tank (2) has liquid pump (8), the inside of center pin (10) is provided with sap cavity (11), liquid pump (8) and sap cavity (11) pipe connection, the centre of sap cavity (11) and lug (12) is provided with through-hole (18), the inside fixedly connected with spring (20) of through-hole (18), the one-way ball (19) of other end fixedly connected with of spring (20), the rear end pipe connection of lug (12) has shower nozzle (32), fixedly connected with stay cord (33) in the middle pipeline of lug (12) and shower nozzle (32), the other end fixedly connected with of stay cord (33) seals ball (34).

5. The automatic pressure regulating intraoperative autologous blood transfusion device according to claim 4, wherein: ratio mechanism is including ratio case (7), ratio case (7) and support (6) fixed connection, the inside of ratio case (7) is provided with multiunit blood case (22), multiunit the equal fixedly connected with extension spring (23) in inside of blood case (22), the other end fixedly connected with sac (24) of extension spring (23), the inside of sac (24) is provided with baffle (43), the centre of baffle (43) is provided with intermediate hole (44), baffle (43) fall into epicoele and cavity of resorption to sac (24), multiunit sac (24) end to end pipe connection, the cavity of resorption and inner chamber (15) pipe connection of sac (24), the upper end pipe connection of right hanging bottle (4) and multiunit blood case (22), the lower extreme pipe connection of human body and multiunit blood case (22).

6. The automatic pressure regulating intraoperative autologous blood transfusion device according to claim 5, wherein: the utility model discloses a filter screen, including filter screen (9), right-hand member fixedly connected with ejector pin (47), the upper end fixedly connected with electric box (28) of box (1), the inside of electric box (28) is provided with switch (27), switch (27) are connected with the motor electricity, upper end fixedly connected with left transfusion bottle (5) of support (6), the middle fixedly connected with connecting box (29) of left side transfusion bottle (5) and right transfusion bottle (4), the left side of connecting box (29) is provided with left chamber (21), the inside fixedly connected with elasticity rope (30) in left side chamber (21), the other end fixedly connected with ejector pad (31) of elasticity rope (30), left side chamber (21) and inner chamber (15) pipe connection.

7. The automatic pressure regulating intraoperative autologous blood transfusion device of claim 6, wherein: the upper end and the liquid case (2) pipe connection of filter screen (9), the middle pipeline fixedly connected with stretch cord (45) of filter screen (9) and liquid case (2), the other end fixedly connected with gasbag (46) of stretch cord (45), the epicoele pipe connection of gasbag (46) and liquid bag (24).

8. The automatic pressure regulating intraoperative autologous blood transfusion device of claim 7, wherein: the box body (1) is made of stainless steel.

9. The automatic pressure regulating intraoperative autologous blood transfusion device of claim 8, wherein: the surface of the box body (1) is uniformly coated with a polyurethane lubricating coating.

10. The automatic pressure regulating intraoperative autologous blood transfusion device of claim 9, wherein: the liquid bag (24) is made of elastic rubber.