CN219418331U - Hemostasis simulation training device - Google Patents

Abstract

The utility model discloses a hemostasis simulation training device, which comprises a wounded limb, a liquid collecting component for receiving blood flowing down from the wounded limb, a liquid circulating system for forming a liquid loop between the wounded limb and the liquid collecting component, and a central control system for controlling the liquid circulating system; the liquid collecting assembly is provided with a liquid collecting cavity; the wounded limb is placed on the liquid collecting cavity; the liquid circulation system comprises a blood storage bottle, a power pump, a buffer bottle and a bleeding valve which are connected with one another in sequence; the blood storage bottle is filled with simulated blood, and the liquid inlet end of the blood storage bottle is connected with the liquid collecting cavity; the air pressure detection device is arranged in the buffer bottle; the liquid outlet end of the bleeding valve is connected with the liquid inlet end of the wounded limb; the central control system is connected with the power pump and the air pressure detection device.

Description

Hemostasis simulation training device

Technical Field

The utility model relates to the technical development field of medical instruments, in particular to a hemostatic simulation training device.

Background

Blood is an important component of human body, and oxygen, glucose, amino acids, lipids, inorganic salts, vitamins, hormones and the like required by the body are transported to tissue cells of a systemic part, and metabolic products such as carbon dioxide, uric acid, urea and the like are transported to excretory organs to be discharged outside, so that normal metabolism of the tissue cells is ensured. When a great deal of bleeding occurs in a human body, the dressing and the hemostasis are one of important measures for on-site emergency treatment of the trauma, and timely and correct dressing can achieve the purposes of hemostasis by compression, infection reduction, wound protection, pain reduction, dressing fixation, splint fixation and the like. The hemostasis simulation model can provide simulation exercises for medical workers to provide arm artery and vein hemorrhage treatment, and is an ideal product for checking hemostasis and bandaging in various medical institutions. However, the existing bleeding hemostasis model only has a simple hand model and a simple foot model, when bleeding hemostasis is simulated, the model is required to be externally hung with an infusion bag to simulate a bleeding experiment, the operation is troublesome, the utilization of simulated blood is low, the bleeding amount and the bleeding speed of the model cannot be regulated, various bleeding environments cannot be effectively simulated, and the use experience of a user is greatly reduced. In this regard, a technical means is needed to solve the above-mentioned drawbacks.

Disclosure of Invention

Aiming at the defects in the technology, the utility model provides a hemostasis simulation training device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the hemostasis simulation training device comprises an air pressure detection device, a wounded limb, a liquid collecting component for receiving blood flowing down from the wounded limb, a liquid circulation system for forming a liquid loop between the wounded limb and the liquid collecting component, and a central control system for controlling the liquid circulation system; the liquid collecting assembly is provided with a liquid collecting cavity; the wounded limb is placed on the liquid collecting cavity; the liquid circulation system comprises a blood storage bottle, a power pump, a buffer bottle and a bleeding valve which are connected with one another in sequence; the blood storage bottle is filled with simulated blood, and the liquid inlet end of the blood storage bottle is connected with the liquid collecting cavity; the air pressure detection device is arranged in the buffer bottle; the liquid outlet end of the bleeding valve is connected with the liquid inlet end of the wounded limb; the central control system is connected with the power pump and the air pressure detection device.

As a further illustration, the fluid circulation system further comprises a blood injection valve; one end of the blood injection valve is connected with the blood storage bottle, and the other end of the blood injection valve is connected with the power pump and is controlled by the central control system.

As a further illustration, the fluid circulation system further comprises a three-way valve; the first port of the three-way valve is connected with the power pump, the second port of the three-way valve is connected with the liquid collecting cavity, and the third port of the three-way valve is connected with the buffer bottle.

As a further illustration, the liquid circulation system further comprises a pressure relief valve and a pressure sensing device; one end of the pressure release valve is connected with the blood storage bottle, and the other end of the pressure release valve is connected with the buffer bottle and is controlled by the central control system; the pressure sensing device is arranged in the wounded limb body and is connected with the central control system.

As a further explanation, the central control system is a single chip microcomputer, an FPGA or a PLC.

As a further illustration, a vascular groove is provided in the wounded limb; the liquid inlet end of the blood vessel groove is connected with the bleeding valve, and the liquid outlet end of the blood vessel groove is connected with the liquid collecting cavity.

As a further illustration, the liquid collection assembly includes a liquid collection chamber; the liquid collecting cavity is arranged in the liquid collecting cavity.

As a further illustration, the liquid outlet end of the liquid collecting cavity is provided with a filter tip.

In summary, the utility model has the following beneficial effects: according to the hemostatic simulation training mold, through the arrangement of the liquid collecting component, the liquid circulating system and the central control system, blood flowing down from a wounded limb can form a loop and finally flows back into the wounded limb to be reused by the wounded limb, so that an externally hung transfusion belt is not needed when the wounded limb simulates a bleeding experiment, the operation convenience of a user is improved, and the utilization rate of simulated blood is greatly improved; in addition, because the setting of first forced induction device and buffer bottle for this liquid circulation system can be when mild bleeding, effectual control bleeding volume and the speed of bleeding, very big improvement user's use experience.

Drawings

FIG. 1 is a schematic diagram of a hemostatic simulation training apparatus according to the present utility model;

FIG. 2 is a schematic diagram of a hemostatic simulation training apparatus according to the present utility model;

fig. 3 is an enlarged schematic view of a hemostasis simulation training device.

Reference numerals in the drawings: 50-wound limbs, 60-liquid collecting cavity, 3-filter tip, 100-blood storage bottle, 5-blood injection valve, 300-power pump, 400-central control system, 8-air pressure detection device, 110-three-way valve, 200-buffer bottle, 202-bleeding valve, 201-pressure release valve, 14-pressure sensing device and 15-soft pipeline.

Detailed Description

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

1-3, a hemostasis simulation training device comprises an air pressure detection device, a wounded limb 50, a liquid collecting component for receiving blood flowing from the wounded limb 50, a liquid circulation system for forming a liquid loop between the wounded limb 50 and the liquid collecting component, and a central control system 400 for controlling the liquid circulation system; wherein the liquid collecting assembly is provided with a liquid collecting cavity 60; the wounded limb 50 sits on the fluid collection chamber 60; the liquid circulation system comprises a blood storage bottle 100, a power pump 300, a buffer bottle 200 and a bleeding valve 202 which are connected with each other in sequence; the blood storage bottle 100 is filled with simulated blood, and the liquid inlet end of the blood storage bottle 100 is connected with the liquid collecting cavity 60; the air pressure detection device 8 is arranged in the buffer bottle 200; the liquid outlet end of the bleeding valve 202 is connected with the liquid inlet end of the wounded limb 50; the central control system 400 is connected with the power pump 300 and the air pressure detection device 8, and the liquid circulation system also comprises a blood injection valve 5; one end of the blood injection valve 5 is connected with the blood storage bottle 100, the other end is connected with the power pump 300 and is controlled by the central control system 400, and the liquid circulation system further comprises a three-way valve 110; the first port of the three-way valve 110 is connected with the power pump 300, the second port is connected with the liquid collecting cavity 60, the third port is connected with the buffer bottle 200, and the liquid circulation system further comprises a pressure release valve 201 and a pressure sensing device 14; one end of the pressure release valve 201 is connected with the blood storage bottle 100, and the other end is connected with the buffer bottle 200 and is controlled by the central control system 400; the pressure sensing device 14 is installed in the wound limb 50 and connected to the central control system 400, specifically, when the wound limb 50 is subjected to simulated filling hemostasis or direct compression hemostasis, the vascular groove in the wound limb 50 is blocked, the air pressure in the buffer bottle 200 is increased, the air pressure sensing device feeds air pressure back to the central control system, when the air pressure in the buffer bottle exceeds a preset value, the central control system closes the water pump and the bleeding valve, opens the pressure relief valve, and discharges the pressure in the buffer bottle to stop bleeding of the wound, thereby achieving the purpose of simulated hemostasis; in this embodiment, the buffer bottle 200 is used to slow down the fluctuation of blood flow, and then buffer and decompress the gas, the central control system 400 is a single chip microcomputer, FPGA or PLC, and a vascular groove is provided in the wound limb 50; the liquid inlet end of the blood vessel groove is connected with the bleeding valve 202, the liquid outlet end of the blood vessel groove is connected with the liquid collecting cavity 60, and the liquid collecting component comprises a liquid collecting cavity 60; the liquid collecting cavity 60 is arranged in the liquid collecting cavity 60, and a liquid outlet end of the liquid collecting cavity 60 is provided with a filter tip 3. When the device is used for the first time, simulated blood can be poured into the liquid collecting cavity 60, the central control system 400 starts the power pump 300, the blood injection valve 5 and the three-way valve 110, at the moment, a loop is formed among the liquid collecting cavity 60, the blood storage bottle 100, the blood injection valve 5, the power pump 300, the three-way valve 110 and the liquid collecting cavity 60, the power pump 300 pumps air in the blood storage bottle to form negative pressure, then the simulated blood in the liquid collecting cavity 60 is sucked through a pipeline, and after the blood storage bottle 100 is filled with liquid, the simulated blood can flow back to the liquid collecting cavity 60 through the three-way valve 110. In operation, the central control system 400 facilitates controlling the amount of bleeding from the wound limb 60 by controlling the blood injection valve 5 to facilitate controlling the amount of drawn blood by the powered pump 300 from within the blood storage bottle 100. The filter 3 is arranged, so that the blood flowing into the blood storage bottle 100 in the liquid collecting cavity 60 is cleaner. Specifically, in the above embodiment, the connections between the components of the wound limb 50, the liquid collecting chamber 60, the blood storage bottle 100, the blood filling valve 5, the power pump 300, the three-way valve 110, the buffer bottle 200, and the bleeding valve 202 are all connected by the flexible tube 15, and the flexible tube 15 is made of a rubber tube or a silicone tube. Specifically, the wounded limb 50 may be a simulated arm or a simulated leg, and in this embodiment, the wounded limb 50 is a simulated arm; the reservoir 100 is used to store simulated blood for use in bleeding; the power pump 300 is used for providing blood flow power, and can control different blood flow rates so that the hemostatic training mold simulates arterial and venous bleeding functions; the buffer bottle 200 is used for reducing fluctuation of blood flow, so that bleeding is more gentle and simulation is more realistic; the air pressure detecting device 8 is used for sensing the air pressure in the buffer bottle 200 and feeding back to the central control system 400, and the central control system 400 then controls the output quantity of the power pump 300, so that the air pressure in the buffer bottle 200 is kept constant within a set range, and the air pressure detecting device is used for controlling the bleeding amount and the bleeding speed of the wounded limb 50 so as to simulate venous and arterial bleeding. Further, in the present embodiment, when the wound limb 50 bleeds, the central control system 400 controls the power pump 300 to work, and draws the blood in the liquid storage bottle 100, and simultaneously, the liquid storage bottle 100 forms a negative pressure, so that the liquid storage bottle 100 can automatically draw the blood in the liquid collection cavity 60; the blood pumped by the power pump 300 is then returned to the wound limb 50 through the buffer bottle 200 and the bleeding valve 202, so that the wound limb 50 continuously simulates a bleeding experiment for an experimenter, and meanwhile, due to the arrangement of the air pressure detecting device 8 in the buffer bottle 200, the central control system 400 can monitor the air pressure in the buffer bottle 200, and the output quantity of the power pump 300 is controlled, so that the air pressure in the buffer bottle 200 is constant within a set range, and the bleeding amount and the bleeding speed of the wound limb 50 are conveniently controlled.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. A hemostasis simulation training device which is characterized in that: the hemostasis simulation training device comprises an air pressure detection device, a wounded limb, a liquid collecting component for receiving blood flowing from the wounded limb, a liquid circulating system for forming a liquid loop between the wounded limb and the liquid collecting component, and a central control system for controlling the liquid circulating system; the liquid collecting assembly is provided with a liquid collecting cavity; the wounded limb is placed on the liquid collecting cavity; the liquid circulation system comprises a blood storage bottle, a power pump, a buffer bottle and a bleeding valve which are connected with one another in sequence; the blood storage bottle is filled with simulated blood, and the liquid inlet end of the blood storage bottle is connected with the liquid collecting cavity; the air pressure detection device is arranged in the buffer bottle; the liquid outlet end of the bleeding valve is connected with the liquid inlet end of the wounded limb; the central control system is connected with the power pump and the air pressure detection device.

2. A hemostatic simulation training apparatus according to claim 1 wherein: the liquid circulation system also comprises a blood injection valve; one end of the blood injection valve is connected with the blood storage bottle, and the other end of the blood injection valve is connected with the power pump and is controlled by the central control system.

3. A hemostatic simulation training apparatus according to claim 2 wherein: the liquid circulation system also comprises a three-way valve; the first port of the three-way valve is connected with the power pump, the second port of the three-way valve is connected with the liquid collecting cavity, and the third port of the three-way valve is connected with the buffer bottle.

4. A hemostatic simulation training apparatus according to claim 1 wherein: the liquid circulation system also comprises a pressure release valve and a pressure sensing device; one end of the pressure release valve is connected with the blood storage bottle, and the other end of the pressure release valve is connected with the buffer bottle and is controlled by the central control system; the pressure sensing device is arranged in the wounded limb body and is connected with the central control system.

5. A hemostatic simulation training apparatus according to claim 1 wherein: the central control system is a singlechip, an FPGA or a PLC.

6. A hemostatic simulation training apparatus according to claim 1 wherein: a vascular groove is arranged in the wounded limb body; the liquid inlet end of the blood vessel groove is connected with the bleeding valve, and the liquid outlet end of the blood vessel groove is connected with the liquid collecting cavity.

7. A hemostatic simulation training apparatus according to claim 1 wherein: the liquid collecting assembly comprises a liquid collecting cavity; the liquid collecting cavity is arranged in the liquid collecting cavity.

8. A hemostatic simulation training apparatus according to claim 1 wherein: the liquid outlet end of the liquid collecting cavity is provided with a filter tip.