Digital air pressure portable hemostatic device suitable for proximal extremities

Abstract

The application discloses a digital air pressure portable hemostasis device suitable for proximal extremities, which comprises a hemostasis band main machine, an inflation pipe and an air pressure type hemostasis sleeve, and is characterized in that the hemostasis band main machine comprises a shell, a display screen, a button module, a single-chip microcomputer controller, an air pump air supply mechanism and an air outlet; the display screen and the button module are arranged on one side of the shell respectively, and are located on the same side of the shell; the single-chip microcomputer controller and the air pump air supply mechanism are arranged in the shell respectively; the air outlet is arranged on one side of the shell; the air pump air supply mechanism is connected with the inflation pipe through the air outlet; and the other end of the inflation pipe is connected with the air pressure type hemostasis sleeve. The application can solve the technical problem that the current electric air pressure hemostasis band needs to be manually set for hemostasis pressure, the operator needs to adjust the hemostasis pressure according to actual conditions, the operator needs to have certain professional accomplishment, the operation needs to be externally connected with a power supply, the volume is relatively large, the portability is not strong, and the device cannot be used in field emergency rescue.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of medical devices, and particularly relates to a digital air pressure portable hemostasis device suitable for the proximal end of limbs. BACKGROUND

[0002] In the first aid of limb massive hemorrhage, the tourniquet hemostasis is usually a simple and effective hemostasis method, which achieves the purpose of hemostasis by blocking blood flow through compression of blood vessels. However, if it is used improperly or for too long, the tourniquet can cause ischemia and necrosis of the distal limb. Therefore, the tourniquet needs to be loosened after a period of hemostasis to prevent necrosis of the distal limb. However, the existing air pressure hemostat has the technical problems that it cannot automatically time and loosen on time, and medical personnel need to adjust it on time; and it cannot know the specific pressure needed to judge whether the blood pressure is blocked during hemostasis, and the emergency personnel need to adjust the compression degree of the tourniquet according to experience.

[0003] The utility model authorization patent with publication number CN 216570100U discloses an intelligent hemostat, comprising: an inflatable cuff, a pressure sensor and a device body, the pressure sensor is arranged on the inner surface of the inflatable cuff, the device body comprises a device shell and an inflation pump and a single-chip microcomputer controller arranged in the device shell, the inflation pump is in communication with the inflatable cuff, and the single-chip microcomputer controller is electrically connected with the pressure sensor and the inflation pump.

[0004] The utility model authorization patent with publication number CN 208769891U discloses a vertical digital air pressure tourniquet, comprising a vertical digital device, a spiral connecting pipe and a tourniquet, the vertical digital device is connected with the tourniquet through the spiral connecting pipe.

[0005] Although the above-mentioned patents can achieve the purpose of hemostasis, the existing electric air pressure tourniquet needs to manually set the hemostasis pressure, the operator needs to adjust the hemostasis pressure according to the actual situation, so the operator has certain professional accomplishment requirements, and needs to connect an external power supply for operation. At the same time, due to the large size, a universal wheel support needs to be installed for convenient movement, and the portability is not strong, so it cannot be used in emergency rescue in the wild. The above-mentioned problems greatly limit the use environment of the existing electric air pressure tourniquet. SUMMARY

[0006] The purpose of the present application is to overcome the shortcomings of the prior art and provide a digital air pressure portable hemostasis device suitable for the proximal end of limbs.

[0007] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0008] A digital display air pressure portable hemostasis device suitable for proximal extremities, comprising a hemostasis belt main machine, an inflation pipe and an air pressure type hemostasis sleeve, the hemostasis belt main machine comprises a shell, a display screen, a button module, a single-chip microcomputer controller, an air pump air supply mechanism, an air outlet hole;

[0009] The display screen and the button module are arranged on one side of the shell, and the display screen and the button module are located on the same side of the shell, the single-chip microcomputer controller and the air pump air supply mechanism are arranged in the interior of the shell, the air outlet hole is arranged on one side of the shell, the air pump air supply mechanism is connected with the inflation pipe through the air outlet hole, and the other end of the inflation pipe is connected with the air pressure type hemostasis sleeve.

[0010] The display screen and the button module are electrically connected, and the display screen, the button module and the air pump air supply mechanism are electrically connected with the single-chip microcomputer controller.

[0011] Preferably, the air pump air supply mechanism comprises an inflation pump and a transmission air pipe, the transmission air pipe is arranged on the inner side of the air outlet hole, and the inflation pump is connected with the inflation pipe outside the air outlet hole through the transmission air pipe.

[0012] Preferably, the air pump air supply mechanism further comprises a slow air release valve and a fast air release valve, the slow air release valve and the fast air release valve are connected with the air outlet hole through rubber hoses, the air outlet hole is connected with the air pressure type hemostasis sleeve through the inflation pipe, and the inflation pump, the slow air release valve and the fast air release valve are electrically connected with the single-chip microcomputer controller.

[0013] Preferably, the slow air release valve and the fast air release valve are solenoid valves.

[0014] Preferably, the button module comprises an intelligent upper limb hemostasis button, an intelligent lower limb hemostasis button, a constant pressure upper limb hemostasis button, a constant pressure lower limb hemostasis button and an air release\shutdown button, and the intelligent upper limb hemostasis button, the intelligent lower limb hemostasis button, the constant pressure upper limb hemostasis button, the constant pressure lower limb hemostasis button and the air release\shutdown button are electrically connected with the display screen and the single-chip microcomputer controller.

[0015] Preferably, the device further comprises a multi-channel air pipe interface, a battery valve switch, a pressure sensor, a power supply, a typc-c charging port and a timer.

[0016] Compared with the prior art, the device has the following beneficial effects:

[0017] (1) The device can automatically detect the blood pressure of a wounded person, calculate the required hemostasis pressure according to the detected blood pressure, and automatically make the hemostasis belt reach the required air pressure for hemostasis, without the need for an operator to calculate and manually adjust the hemostasis air pressure of the device.

[0018] (2) The five operation buttons of the application: intelligent upper limb hemostasis key, intelligent lower limb hemostasis key, constant pressure upper limb hemostasis key, constant pressure lower limb hemostasis key, deflation\shutdown key, through clicking the corresponding button, the operation is convenient and fast.

[0019] (3) The hemostasis sleeve of the application can be quickly disassembled, and can be quickly replaced when the hemostasis sleeve is contaminated, thereby improving the efficiency.

[0020] (4) The application has small volume and light weight, is convenient to carry, and adopts a charging power supply design, so that it can be used for emergency hemostasis in special environments such as the wild, without the need for external power supply or support during use, thereby avoiding the situation that rapid hemostasis cannot be performed due to environmental problems.

[0021] (5) The digital pressure portable hemostasis device suitable for the proximal end of the limbs provided by the application has two working modes, namely intelligent hemostasis mode and constant pressure hemostasis mode. The intelligent hemostasis mode is suitable for the case that the wounded person does not have an open wound of the limbs, and the constant pressure hemostasis mode is suitable for the case that the wounded person has an open wound of the limbs. At this time, the wound of the wounded person cannot detect blood pressure, and the hemostasis function is achieved by pressing the wound to a fixed value of the hemostasis pressure. The design of the two working modes increases the application range of the device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The structure schematic view of the digital pressure portable hemostasis device suitable for the proximal end of the limbs provided by the embodiment of the application is shown in the figure.

[0023] Figure 2 The structure schematic view of the digital pressure portable hemostasis device suitable for the proximal end of the limbs provided by the embodiment of the application is shown in the figure.

[0024] Figure 3 The connection structure diagram of each component of the hemostasis belt host in the embodiment of the application is shown in the figure.

[0025] Figure 4 The internal gas circuit connection diagram of the digital pressure portable hemostasis device suitable for the proximal end of the limbs provided by the embodiment of the application is shown in the figure.

[0026] Figure 5 The circuit connection diagram of the internal electrical elements of the digital pressure portable hemostasis device suitable for the proximal end of the limbs provided by the embodiment of the application is shown in the figure.

[0027] Figure 6 The use principle flowchart of the digital pressure portable hemostasis device suitable for the proximal end of the limbs provided by the embodiment of the application is shown in the figure.

[0028] Figure 7 The use principle flowchart of the digital pressure portable hemostasis device suitable for the proximal end of the limbs provided by the embodiment of the application in the hemostasis timing and pressure maintaining mode is shown in the figure.

[0029] In the figure: 1, air pressure tourniquet; 2, pressure sensor; 201, display screen; 202, single-chip microcomputer controller; 203, power supply; 204, type-c charging port; 205, timer; 206, key module; 207, air pump; 208, quick deflation valve; 209, slow deflation valve; 3, shell; 4, inflation tube; 5, air outlet. DETAILED DESCRIPTION

[0030] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be accurately conveyed to those skilled in the art.

[0031] As Figures 1 to 3 shown, the digital air pressure portable tourniquet suitable for the proximal extremities provided by the embodiment of the present application includes a tourniquet main machine, an inflation tube 4, and an air pressure tourniquet 1. The main machine includes a shell 3, a display screen 201, a key module 206, a single-chip microcomputer controller 202, an air pump air supply mechanism, and an air outlet 5.

[0032] The display screen 201 and the key module 206 are respectively arranged on one side of the shell 3, and the display screen 201 and the key module 206 are located on the same side of the shell. The single-chip microcomputer controller 202 and the air pump air supply mechanism are respectively arranged inside the shell. The air outlet 5 is arranged on one side of the shell 3. The air pump air supply mechanism is connected with the inflation tube 4 through the air outlet 5. The other end of the inflation tube 4 is connected with the air pressure tourniquet 1. The shell 3 is connected with the tourniquet 1 through a magic tape.

[0033] The display screen 201 and the key module 206 are electrically connected. The display screen 201, the key module 206, and the air pump air supply mechanism are respectively electrically connected with the single-chip microcomputer controller 202.

[0034] As Figure 4 and Figure 5 shown, the air pump air supply mechanism includes an air pump 207, a quick deflation valve 208, and a slow deflation valve 209. The air pump 207, the quick deflation valve 208, and the slow deflation valve 209 are connected through rubber hoses. The air pump 207 is connected with the inflation tube 4 through the air outlet 5. The air pump 207 is connected with the single-chip microcomputer controller 202 through a wire.

[0035] The air pump air supply mechanism further comprises a slow air release valve 209 and a fast air release valve 208, both of which are connected to the air outlet hole 5 through a rubber hose, and the air outlet hole 5 is connected to the air pressure tourniquet 1 through the inflation tube 4, and the air pump 207, the slow air release valve 209 and the fast air release valve 208 are electrically connected to the single-chip microcomputer controller 202.

[0036] The slow air release valve 209 and the fast air release valve 208 are both solenoid valves. The slow air release valve 209 is a solenoid valve for slowly releasing air after the air pressure tourniquet 1 ends the pressure maintaining mode, and the fast air release valve 208 is a solenoid valve for quickly releasing air.

[0037] The key module 206 comprises intelligent upper limb hemostasis keys, intelligent lower limb hemostasis keys, constant pressure upper limb hemostasis keys, constant pressure lower limb hemostasis keys and air release\shutdown keys, and all of them are electrically connected to the display screen and the single-chip microcomputer controller. In the embodiment of the application, all the keys are thin film keys, and the intelligent upper limb hemostasis keys, the intelligent lower limb hemostasis keys, the constant pressure upper limb hemostasis keys, the constant pressure lower limb hemostasis keys and the air release\shutdown keys are connected to the single-chip microcomputer controller 202 through conductive adhesive strips,

[0038] The internal working principle of the device of the embodiment of the application is as follows: a corresponding button in the key module 206 is clicked to select a function, the single-chip microcomputer controller 202 drives the air pump 207 to start providing air pressure, when the air pressure in the air pressure tourniquet 1 reaches the required air pressure, the pressure sensor 2 in the air pressure tourniquet 1 sends a signal to the single-chip microcomputer controller 202, the single-chip microcomputer controller 202 controls the air pump 207 to stop pressurizing, and the device enters a pressure maintaining mode; when the device enters the pressure maintaining mode, the timer 205 starts timing; after one hour of timing, the single-chip microcomputer controller 202 controls the slow deflation valve 209 to deflate the air pressure tourniquet 1 in stages, the timer 205 starts deflation timing, after ten minutes of deflation timing, the single-chip microcomputer controller 202 controls the air pump module 207 to pressurize the air pressure tourniquet 1, until the pressure sensor 2 detects that the pressure in the tourniquet reaches the required pressure again, the single-chip microcomputer controller 202 controls the air pump 207 to stop working, so that the device enters the pressure maintaining mode, when the use of the device provided by the embodiment of the application ends, the deflation\shutdown button on the key module 206 is clicked, the single-chip microcomputer controller 202 drives the fast deflation valve 208 to deflate in stages, until the pressure sensor 2 detects that the pressure in the air pressure tourniquet 1 reaches the shutdown standard, at this time, the single-chip microcomputer controller 202 is shut down, and the display screen 201 is extinguished. When the digital air pressure portable tourniquet device suitable for the proximal end of the limbs provided by the embodiment of the application is working, the device state and the blood pressure data of the user are displayed on the display screen 201, and the display screen 201 is a dot matrix screen and is connected with the single-chip microcomputer controller 202.

[0039] The digital air pressure portable tourniquet device suitable for the proximal end of the limbs provided by the embodiment of the application further comprises a pressure sensor 2, a power supply 203, a type-c charging port 204 and a timer 205, the pressure sensor 2 is arranged in the air pressure tourniquet 1, the power supply 203 is arranged in the shell 3, the type-c charging port 204 is located on the side of the shell 3, and the timer 205 is arranged in the shell 3 and is electrically connected with the single-chip microcomputer controller 202. The digital air pressure portable tourniquet device provided by the embodiment of the application specifically takes the power supply 203 as an energy supply part, the power supply 203 is connected with the type-c charging port 204 through wires, when the type-c charging port 204 is externally connected with a power supply, the device required power is provided by the power supply externally connected with the type-c charging port 204, when the type-c charging port 204 is not externally connected with a power supply, the power supply 203 provides the device with the required working power, the power supply 203 is a rechargeable battery, the power supply 203 is connected with the display screen 201 through wires, the power supply 203 is connected with the single-chip microcomputer controller 202 through wires, the power supply 203 is connected with the timer 205 through wires, the power supply 203 is connected with the air pump 207 through wires, the power supply 203 is connected with the slow deflation valve 209 through wires, and the power supply 203 is connected with the fast deflation valve 208 through wires.

[0040] The working mode of the embodiment of the application is divided into two modes, namely, an intelligent hemostasis mode and a constant pressure hemostasis mode, and the intelligent hemostasis mode comprises an upper limb hemostasis mode and a lower limb hemostasis mode.

[0041] As shown in Figure 6 The specific operation mode of the upper limb hemostasis mode and the lower limb hemostasis mode of the digital air pressure portable hemostasis device suitable for the proximal end of limbs provided by the embodiment of the application is as follows: the air pressure type hemostasis sleeve 1 is wrapped around the upper limb or the lower limb of a patient, the intelligent upper limb hemostasis button or the intelligent lower limb hemostasis button is pressed to enter the upper limb hemostasis mode or the lower limb hemostasis mode, the device is automatically started after the button is pressed, the output air pressure is provided by the inflation pump 207, the proximal end blood pressure is measured by using the pressure sensor 2, the systolic pressure, the diastolic pressure and the pulse data are obtained and displayed on the display screen 201, the required air pressure for hemostasis is calculated by the single-chip microcomputer controller 202 according to the blood pressure through a formula, at this time, the rapid air release valve 208 works to rapidly release the gas in the air pressure type hemostasis sleeve 1, after the air release is completed, the single-chip microcomputer controller 202 controls the inflation pump 207 to inflate and pressurize the air pressure type hemostasis sleeve 1, the air pressure compression mode is adopted to perform hemostasis, when the air pressure of the air pressure type hemostasis sleeve 1 reaches the required air pressure, the inflation pump 207 stops supplying air, and the device enters the pressure maintaining mode; in the pressure maintaining mode, the timer 205 starts timing, after the pressure maintaining mode is maintained for one hour, the slow air release valve 209 starts to slowly release the gas in the air pressure type hemostasis sleeve 1, the air release is to prevent the limbs from necrosis due to long time compression, and the slow air release is to prevent the air pressure type hemostasis sleeve 1 from changing the pressure too fast to affect the wound, after the decompression effect is achieved, the single-chip microcomputer controller 202 starts to control the inflation pump 207 to pressurize, and the device reenters the pressure maintaining mode to continue pressurizing and hemostasis; the above is one process, and the process is ended by clicking the air release button; after the air release button is clicked, the rapid air release valve 208 releases air, and the device is automatically turned off after the air release is completed.

[0042] As shown in Figure 7 The specific operation mode of the emergency constant pressure hemostasis mode of the digital air pressure portable hemostasis device suitable for the proximal end of limbs provided by the embodiment of the application is as follows:

[0043] The pneumatic tourniquet 1 is wrapped around the upper or lower limbs of the patient, the constant pressure upper limb hemostasis button or the constant pressure lower limb hemostasis button is pressed to enter the upper limb hemostasis mode or the lower limb hemostasis mode, and the device is automatically started after being pressed, the single-chip microcomputer controller 202 controls the air pump 207 to pressurize the pneumatic tourniquet 1 according to the set hemostasis air pressure value, hemostasis is performed in the mode of air pressure compression, when the air pressure of the pneumatic tourniquet 1 reaches the required air pressure, the air pump 207 stops supplying air, and the device enters the pressure maintaining mode; in the pressure maintaining mode, the timer 205 starts automatic timing, after one hour, the slow air release valve 209 performs slow and phased air release, preventing the limbs from being necrotic due to long compression time and preventing air release from being too fast to affect the wound, after ten minutes of phased air release, the air pump 207 continues to pressurize for hemostasis, the above is one process, and the process is ended by clicking the air release key, after the air release key is clicked, the fast air release valve 208 performs air release, and the device is automatically shut down after air release is completed.

[0044] In summary, the digital air pressure portable hemostasis device suitable for proximal limbs provided by the embodiment of the application can automatically detect the blood pressure of the injured limb, calculate the required hemostasis pressure according to the detected blood pressure, and automatically make the hemostasis belt reach the required air pressure for hemostasis, without the need of an operator to calculate and manually adjust the hemostasis air pressure of the device; moreover, the device is small in size and light in weight, convenient to carry, and can be used for emergency hemostasis in special environments such as the field by using a charging power supply design, without the need of an external power supply or a support during use, thereby avoiding the situation that rapid hemostasis cannot be performed due to environmental problems; meanwhile, the application has two working modes, namely, an intelligent hemostasis mode and a constant pressure hemostasis mode, the intelligent hemostasis mode is suitable for the case that the injured person does not have an open wound of the limbs, and the constant pressure hemostasis mode is suitable for the case that the injured person has an open wound of the limbs, at this time, the wound of the injured person cannot be detected for blood pressure, the hemostasis function is achieved by pressurizing the hemostasis tourniquet to a fixed value air pressure, and the design of the two working modes increases the application range of the device.

[0045] Although the embodiments of the application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the application, and the scope of the application is defined by the claims and their equivalents.

Claims

1. A digital pressure portable hemostasis device suitable for the proximal extremities, comprising a hemostasis band main machine, an inflation pipe and a pneumatic hemostasis sleeve (1), characterized in that, The tourniquet main machine comprises a shell (3), a display screen (201), a key module (206), a single-chip microcomputer controller (202), a gas pump air supply mechanism, a pressure sensor (2), and an air outlet hole (5); The display screen (201) and the key module (206) are arranged on one side of the shell (3), and the display screen (201) and the key module (206) are located on the same side of the shell (3); the single-chip microcomputer controller (202) and the gas pump air supply mechanism are arranged in the shell (3); the air outlet hole (5) is arranged on one side of the shell (3); the gas pump air supply mechanism is connected with the inflation tube (4) through the air outlet hole (5); the other end of the inflation tube (4) is connected with the pneumatic tourniquet (1); The display screen (201) and the key module (206) are electrically connected; the display screen (201), the key module (206), and the gas pump air supply mechanism are electrically connected with the single-chip microcomputer controller (202); The key module (206) comprises intelligent upper limb hemostasis keys, intelligent lower limb hemostasis keys, constant pressure upper limb hemostasis keys, constant pressure lower limb hemostasis keys, and deflation\shutdown keys; the intelligent upper limb hemostasis keys, the intelligent lower limb hemostasis keys, the constant pressure upper limb hemostasis keys, the constant pressure lower limb hemostasis keys, and the deflation\shutdown keys are electrically connected with the display screen and the single-chip microcomputer controller; The gas pump air supply mechanism comprises an inflation pump (207), a transmission air pipe, a slow deflation valve (208), and a fast deflation valve (209); the transmission air pipe is arranged on the inner side of the air outlet hole (5); the inflation pump (207) is connected with the inflation tube outside the air outlet hole (5) through the transmission air pipe; the slow deflation valve (208) and the fast deflation valve (209) are connected with the air outlet hole (5) through rubber hoses; the air outlet hole (5) is connected with the pneumatic tourniquet (1) through the inflation tube (4); the inflation pump (207), the slow deflation valve (208), and the fast deflation valve (209) are electrically connected with the single-chip microcomputer controller (202); The working mode of the above-mentioned hemostasis device comprises two modes, namely an intelligent hemostasis mode and a constant pressure hemostasis mode; the intelligent hemostasis mode comprises an upper limb hemostasis mode and a lower limb hemostasis mode; the specific working method of the upper limb hemostasis mode and the lower limb hemostasis mode is as follows: Press the intelligent upper limb hemostasis button or the intelligent lower limb hemostasis button to enter the upper limb hemostasis mode or the lower limb hemostasis mode, and press the button to automatically start the device. The output air pressure is provided through the inflation pump (207), the near-end blood pressure is measured by using the pressure sensor (2), the systolic pressure, diastolic pressure and pulse data are obtained and displayed on the display screen (201), the required air pressure for hemostasis is calculated by the single-chip microcomputer controller (202) according to the blood pressure through a formula, at this time, the rapid air release valve (208) works to rapidly release the gas in the air pressure type hemostasis sleeve (1), after the inflation is completed, the single-chip microcomputer controller (202) controls the inflation pump (207) to inflate and pressurize the air pressure type hemostasis sleeve (1) in a hemostasis mode by using air pressure compression, when the air pressure of the air pressure type hemostasis sleeve (1) reaches the required air pressure, the inflation pump (207) stops supplying air, and the device enters a pressure maintaining mode; after the pressure maintaining mode is maintained for one hour, the slow air release valve (209) slowly releases the gas in the air pressure type hemostasis sleeve (1), after the decompression effect is achieved, the single-chip microcomputer controller (202) starts to control the inflation pump (207) to pressurize, and the pressure maintaining mode is re-entered to continue the pressurization and hemostasis; the above is one process, and the process is ended by clicking the air release key; after the air release key is clicked, the rapid air release valve (208) releases air, and the device is automatically shut down after the air release is completed. The specific working method of the constant pressure hemostasis mode is as follows: Press the constant pressure upper limb hemostasis button or the constant pressure lower limb hemostasis button to enter the upper limb hemostasis mode or the lower limb hemostasis mode, and press the button to automatically start the device. The single-chip microcomputer controller (202) controls the inflation pump (207) to pressurize the air pressure type hemostasis sleeve (1) according to the set hemostasis air pressure value, and the hemostasis is performed in a hemostasis mode by using air pressure compression, when the air pressure of the air pressure type hemostasis sleeve (1) reaches the required air pressure, the inflation pump (207) stops supplying air, and the device enters a pressure maintaining mode; in the pressure maintaining mode, after one hour, the slow air release valve (209) slowly releases air in a phased manner, after ten minutes of phased air release, the inflation pump (207) continues to pressurize and hemostasis, the above is one process, and the process is ended by clicking the air release key, after the air release key is clicked, the rapid air release valve (208) releases air, and the device is automatically shut down after the air release is completed.

2. The digital air pressure portable hemostasis device suitable for proximal extremities according to claim 1, characterized in that, The slow air release valve (208) and the rapid air release valve (209) are both solenoid valves.

3. The digital air pressure portable hemostasis device suitable for proximal extremities according to claim 1, wherein, The device further comprises a power supply (203), a Typc-c charging port (204) and a timer (205), the pressure sensor (2) is arranged in the air pressure type hemostasis sleeve (1), the power supply (203) is arranged in the shell (3), the Typc-c charging port (204) is located on the side surface of the shell (3), the timer (205) is arranged in the shell (3), and the timer (205) is electrically connected with the single-chip microcomputer controller (202).

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