CN209899504U

CN209899504U - Intelligent tourniquet

Info

Publication number: CN209899504U
Application number: CN201920470805.0U
Authority: CN
Inventors: 刘星吾; 朱家伟; 李轩; 解夕黎; 吴锋; 肖锴
Original assignee: China Medical University
Current assignee: China Medical University
Priority date: 2019-04-09
Filing date: 2019-04-09
Publication date: 2020-01-07
Anticipated expiration: 2029-04-09

Abstract

The utility model discloses an intelligence tourniquet belongs to the medical instrument field, including tourniquet, power adapter, pressure regulating machine and intelligent control mechanism, the pressure regulating machine includes upper cover and organism, the inside of organism is arranged in to intelligent control mechanism, one side of pressure regulating machine is equipped with power adapter, and the one end that the pressure regulating machine is close to the air duct is equipped with the tourniquet. The utility model discloses an install tourniquet, power adapter, pressure regulating machine and intelligent control mechanism, moreover, the steam generator is simple in structure, the size is less, the dismouting of the device of being convenient for is fixed, overhaul and carry the use, can effectively increase the convenience that the device used, be convenient for simultaneously paste the laminating position that pastes with female magic through adjusting son magic, make tourniquet form an annular structure and fix on user's truck, thereby make the tourniquet be applicable to the limbs of the different thicknesses of different patients, increase the suitability of device, the emergency of being convenient for is hemostatic quick first aid down.

Description

Intelligent tourniquet

Technical Field

The utility model relates to the field of medical equipment, specificly relate to an intelligent tourniquet.

Background

The tourniquet is a conventional medical apparatus in medical institutions, can be used for hemostasis in treatment or emergency hemostasis during limb hemorrhage and field snake and insect bite hemorrhage, and most of the existing tourniquets are made of medical polymer materials, namely natural rubber or special rubber, are milk white and are in long and flat shapes.

But along with the continuous development of science and technology, the function of tourniquet begins to progressively increase, but mostly escape to do not open the not good problem of function singleness and simple operation nature, and can't be when fixed intelligent regulation, can't be applicable to the limbs of the different thicknesses of different patients, can't effectively adjust the fixed pressure of tourniquet, the suitability is not good, simultaneously can't carry out the assay back according to patient's physiological characteristic, the pressure of intelligent regulation tourniquet, can't be applicable to different physiological characteristic's patient, it is too big easily to make hemostasis pressure, hemostasis time overlength causes the patient to take place the thrombus etc, there is certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The to-be-solved technical problem of the utility model lies in providing an intelligent tourniquet, can effectively increase convenience and the suitability that the device used, can effectively be according to patient's physiological characteristic intelligent pressure regulating, effectively avoid tourniquet pressure too big to cause oppression and damage to patient's limbs, effectively increase the security that the device used.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

an intelligent tourniquet comprises a tourniquet body, a power adapter, a pressure regulator and an intelligent control mechanism, wherein the pressure regulator comprises an upper cover and a machine body, the upper cover is hinged above the machine body and is clamped and fixed with the machine body through a buckle connected with the bottom, the intelligent control mechanism is arranged in the machine body and comprises a USB (universal serial bus) transfer port, a miniature air pressure pump, a first electromagnetic valve, a current voltage reduction and stabilization module, a relay, a single chip microcomputer, an air pressure sensor and a second electromagnetic valve, a relay is fixed in the center of the intelligent control mechanism, the single chip microcomputer is fixed on one side of the relay, the miniature air pressure pump and the first electromagnetic valve are respectively fixed on one end of the other side of the relay, the air pressure sensor and the second electromagnetic valve are respectively fixed on the other end of the other side of the relay, and the end of the air pressure sensor, which is, and one end of the relay close to the first electromagnetic valve is fixed with a current voltage-reducing and voltage-stabilizing module, both sides of the machine body are uniformly provided with air grooves, the interior of each air groove is provided with a dust screen, the lower right corner of the machine body on one side is connected with a switch, the center of one end of the machine body is fixed with an air duct, a power socket and a USB interface are respectively fixed on the machine body above the air duct, one end of the air duct extends into the machine body and is provided with a communicating pipe, one end of the communicating pipe is provided with a three-way pipe, the three-way pipe is respectively and fixedly connected with the first electromagnetic valve, the second electromagnetic valve and an air pressure sensor through pipelines, one end of the first electromagnetic valve far away from the three-way pipe is communicated with the output end of the micro air pressure pump through a pipeline, one side of the pressure regulator is provided, and the one end that the pressure regulating machine is close to the air duct is equipped with the tourniquet, sew up sub-magic subsides on the lateral wall of tourniquet, sew up on the inside wall of tourniquet and paste the female magic subsides of mutually supporting with sub-magic, air conduit is connected at the top of tourniquet, and air conduit keeps away from the one end of tourniquet and is fixed with the air cock, and air cock and air duct block are fixed.

Further, the tourniquet is pasted through son magic and is pasted with female magic each other, forms ring structure, and son magic is pasted and is all formed through the nylon weaving with female magic.

Further, the size of the pressure regulating machine is 15cm multiplied by 10cm, and a sealing ring is installed at the connecting position of the upper cover and the machine body.

Further, the diameter of air duct is 8 ± 1mm, and air cock and air duct mutually support, and the internally mounted of air duct has the sealing rubber circle.

Further, the diameter of the power socket is 11.44mm, and the size of the USB interface is 12mm × 11.4 mm.

Furthermore, the miniature pneumatic pump, the first electromagnetic valve and the second electromagnetic valve are electrically connected with a power socket, the USB switching port is electrically connected with the current voltage reduction and stabilization module, the current voltage reduction and stabilization module is electrically connected with the single chip microcomputer, the output end of the relay is electrically connected with the input ends of the miniature pneumatic pump, the first electromagnetic valve and the second electromagnetic valve, the input end of the relay is electrically connected with the output end of the single chip microcomputer, and the air pressure sensor is electrically connected with the single chip microcomputer.

3. Advantageous effects

(1) The utility model discloses an install the tourniquet, the power adapter, pressure regulating machine and intelligent control mechanism, moreover, the steam generator is simple in structure, the size is less, it is fixed to be convenient for the dismouting, be convenient for overhaul pressure regulating machine internal element, the use of carrying of the device of being convenient for, can effectively increase the convenience that the device used, be convenient for simultaneously through the laminating position that the subsides of adjusting son magic subsides and female magic subsides, make tourniquet form an annular structure and fix on user's truck, thereby make the tourniquet be applicable to the limbs of the different thicknesses of different patients, increase the suitability of device, it stanchs to be convenient for quick first aid under.

(2) The utility model discloses an install power socket, the USB interface, miniature pneumatic pump, first solenoid valve, electric current step-down voltage stabilizing module, singlechip and second solenoid valve, be convenient for be linked together with external power supply through the socket of power adapter one end, be convenient for change commercial power 220V alternating current into 12V direct current through power adapter, insert inside the pressure regulating machine through the wiring end, for the inside miniature pneumatic pump of pressure regulating machine, first solenoid valve and second solenoid valve power supply, be convenient for drop 12V direct current to 5V through electric current step-down voltage stabilizing module, give the singlechip power supply, the circular telegram of the device of being convenient for is used, reduce the damage of commercial power to internal element, the use of the device of being convenient for.

(3) The utility model discloses an install USB to change serial ports and relay, be convenient for change the communication of serial ports realization singlechip and PC through USB, in making the device use in with the manual input of patient's physiology index value in external PC, make software automatic generation go out the probability that the patient takes place the thrombus in the external PC, make the doctor lead in device operating time and work atmospheric pressure signal into the singlechip through the PC through the probability, make the singlechip send control signal to the relay, make the relay control miniature air pressure pump, the break-make of first solenoid valve and second solenoid valve circuit, make miniature air pressure pump, first solenoid valve and second solenoid valve circular telegram work, make miniature air pressure pump circular telegram after the circular telegram with gas through the air conduit inject into the tourniquet inside, pump the air pressurization for the tourniquet, thereby make the tourniquet aerify and expand, contract patient's limbs, effectively give and vascular pressure, and (5) stopping bleeding at the bleeding position.

(4) The utility model discloses an install baroceptor, be convenient for read atmospheric pressure in the tourniquet through baroceptor to give the singlechip corresponding pressure signal transmission, make the singlechip convert pressure signal into digital signal and show through the PC, the pressure of effective control tourniquet, the device intelligence pressure regulating of being convenient for effectively avoids tourniquet pressure to lead to the fact oppression and damage to patient's limbs too big, effectively increases the security that the device used.

To sum up, the utility model provides a pair of intelligent tourniquet, can effectively increase the convenience that the device used, it is fixed to be convenient for the dismouting, overhaul and carry the use, it stanchs to be convenient for quick first aid under the emergency, the suitability is wider, and can effectively be transformed into 12V direct current and 5V direct current with external power supply, give miniature pneumatic pump, a solenoid valve, singlechip and second solenoid valve, reduce the damage of commercial power to internal element, be convenient for effectively read the interior atmospheric pressure of tourniquet through baroceptor simultaneously, and show by the PC, the device intelligence pressure regulating of being convenient for, effectively avoid tourniquet pressure to lead to the fact oppression and damage to patient's limbs, effectively increase the security that the device used.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the machine body of the present invention;

fig. 3 is the schematic diagram of the circuit control structure of the single chip microcomputer of the present invention.

Reference numerals: 1. a tourniquet; 11. a sub-magic tape; 12. female magic tape; 13. an air conduit; 14. an air tap; 2. a power adapter; 21. a terminal; 22. a socket; 3. a pressure regulating machine; 31. a power outlet; 32. an upper cover; 33. buckling; 34. a body; 35. an air duct; 351. a communicating pipe; 36. a USB interface; 37. an air tank; 38. a dust screen; 39. a switch; 4. an intelligent control mechanism; 41. USB to serial port; 42. a micro pneumatic pump; 43. a first solenoid valve; 44. the current voltage reduction and stabilization module; 45. a relay; 46. a single chip microcomputer; 47. an air pressure sensor; 48. a three-way pipe; 49. a second solenoid valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an intelligent tourniquet, including tourniquet 1, power adapter 2, pressure regulating machine 3 and intelligent control mechanism 4, pressure regulating machine 3 includes upper cover 32 and organism 34, the size of pressure regulating machine 3 is 15cm x 10cm, and the junction of upper cover 32 and organism 34 installs the sealing washer, be convenient for inject the size of pressure regulating machine 3, make the whole size of device less, the device of being convenient for carries the use, simultaneously be convenient for increase the square of connection leakproofness between upper cover 32 and organism 34 through the sealing washer, reduce the dust and get into the device inside, and make pressure regulating machine 3 form a whole, be convenient for increase the convenience of device transportation, and articulated have upper cover 32 above organism 34, upper cover 32 is fixed with organism 34 block through buckle 33 that the bottom is connected, intelligent control mechanism 4 places in the inside of organism 34, and intelligent control mechanism 4 includes USB commentaries on classics serial ports 41, miniature pneumatic pump 42, A first electromagnetic valve 43, a current voltage-reducing and voltage-stabilizing module 44, a relay 45, a single chip microcomputer 46, an air pressure sensor 47 and a second electromagnetic valve 49, wherein the type of the USB serial-to-serial port 41 can be Ch340, the type of the current voltage-reducing and voltage-stabilizing module 44 can be lm2576, the type of the single chip microcomputer 46 can be atmega8a, the relay 45 is fixed at the center of the intelligent control mechanism 4, the single chip microcomputer 46 is fixed at one side of the relay 45, a micro air pressure pump 42 and the first electromagnetic valve 43 are respectively fixed at one end of the other side of the relay 45, the air pressure sensor 47 and the second electromagnetic valve 49 are respectively fixed at the other end of the other side of the relay 45, the USB serial-to-serial port 41 is fixed at one end of the air pressure sensor 47 far away from the second electromagnetic valve 49, the current voltage-reducing and voltage-stabilizing module 44 is fixed at one end of the relay 45 close to the, and the right lower corner of the machine body 34 on one side is connected with a switch 39, the center of one end of the machine body 34 is fixed with a gas-guide tube 35, the machine body 34 above the gas-guide tube 35 is respectively fixed with a power socket 31 and a USB interface 36, the diameter of the power socket 31 is 11.44mm, the size of the USB interface 36 is 12mm multiplied by 11.4mm, which is convenient for the fixed insertion of a corresponding power plug and a USB connector with the power socket 31 and the USB interface 36, the on-off of the device and the on-line use of an external PC are convenient, the use of the device is convenient, one end of the gas-guide tube 35 extends into the machine body 34 and is provided with a communicating tube 351, one end of the communicating tube is provided with a three-way tube 48, the three-way tube 48 is respectively fixedly connected with a first electromagnetic valve 43, a second electromagnetic valve 49 and an air pressure sensor 47 through a pipeline, one end of the first electromagnetic valve 43 far, the model of the power adapter 2 can be zf120, two ends of the power adapter 2 are respectively connected with a terminal 21 and a socket 22, the terminal 21 is fixedly inserted into the power socket 31, the micro pneumatic pump 42, the first electromagnetic valve 43 and the second electromagnetic valve 49 are electrically connected with the power socket 31, the USB switching port 41 is electrically connected with the current step-down and voltage-stabilizing module 44, the current step-down and voltage-stabilizing module 44 is electrically connected with the single chip microcomputer 46, the output end of the relay 45 is electrically connected with the input ends of the micro pneumatic pump 42, the first electromagnetic valve 43 and the second electromagnetic valve 49, the input end of the relay 45 is electrically connected with the output end of the single chip microcomputer 46, the pneumatic sensor 47 is electrically connected with the single chip microcomputer 46, the socket 22 at one end of the power adapter 2 is convenient to be communicated with an external power supply, the commercial 220V alternating current is convenient to be converted, the power is supplied to a micro pneumatic pump 42, a first electromagnetic valve 43 and a second electromagnetic valve 49 in the pressure regulator 3, so that 12V direct current is reduced to 5V through a current reduction and voltage stabilization module 44, the power is supplied to a single chip microcomputer 46, communication between the single chip microcomputer 46 and a PC is realized through a USB (universal serial bus) to serial port 41, a control signal is sent to a relay 45 through the single chip microcomputer 46, the relay 45 controls the on-off of circuits of the micro pneumatic pump 42, the first electromagnetic valve 43 and the second electromagnetic valve 49, so that the micro pneumatic pump 42, the first electromagnetic valve 43 and the second electromagnetic valve 49 are electrified to work, after the micro pneumatic pump 42 is electrified, gas is injected into the tourniquet 1 through an air conduit 13, the tourniquet 1 is pumped and pressurized, the tourniquet 1 is inflated and expanded for use, meanwhile, control information is conveniently obtained through communication between the single chip microcomputer 46 and the PC, and the working time and the working pressure, the pressure in the tourniquet 1 is read by the air pressure sensor 47, so that after a corresponding pressure signal is transmitted to the single chip microcomputer 46, the single chip microcomputer 46 converts the pressure signal into a digital signal and transmits the digital signal to the PC for display, the tourniquet 1 is arranged at one end of the pressure regulating machine 3 close to the air duct 35, the sub-magic tape 11 is sewn on the outer side wall of the tourniquet 1, the female magic tape 12 matched with the sub-magic tape 11 is sewn on the inner side wall of the tourniquet 1, the tourniquet 1 is mutually attached to the female magic tape 12 through the sub-magic tape 11 to form a ring structure, the sub-magic tape 11 and the female magic tape 12 are both woven through nylon, the tourniquet 1 is conveniently sleeved at a position required by a user, the fixed diameter of the tourniquet 1 is adjusted by adjusting the attachment positions of the sub-magic tape 11 and the female magic tape 12, thereby effectively fixing limbs of different, the top of tourniquet 1 is connected with air conduit 13, air conduit 13 is kept away from the one end of tourniquet 1 and is fixed with air cock 14, and the diameter of air cock 14 and the fixed air duct 35 of air duct 35 block is 8 ± 1mm, and air cock 14 mutually supports with air duct 35, the internally mounted of air duct 35 has the sealing rubber circle, be convenient for the fixed dismouting between air cock 14 and the air duct 35, be convenient for increase the leakproofness between air cock 14 and the air duct 35 through the sealing rubber circle, reduce gaseous leakage, be convenient for the use of device.

The working principle is as follows: when the tourniquet is used, the tourniquet 1 is sleeved above a position, required by a user, of hemostasis, the attaching positions of the child magic tape 11 and the female magic tape 12 are adjusted by pulling the tourniquet 1, then the child magic tape 11 and the female magic tape 12 are attached to each other, so that the tourniquet 1 is fixed on the trunk of the user in an annular structure, the tourniquet 1 is convenient to be suitable for limbs of different thicknesses of different patients, the applicability of the device is convenient to increase, then a USB connector of an external PC is inserted into the USB interface 36, the connecting terminal 21 is connected into the pressure regulating machine 3 and communicated with an external power supply, the miniature air pressure pump 42, the first electromagnetic valve 43 and the second electromagnetic valve 49 in the pressure regulating machine 3 are powered, 12V direct current is reduced to 5V through the current voltage reduction module 44, the single chip microcomputer 46 is powered, then physiological index values of the patient are manually input into the external PC, and software in the external PC automatically generates the probability of thrombosis of the, so that a doctor sets the pressure supply time and the pressure value of the tourniquet through probability, the signal is led into the single chip microcomputer 46 through the PC, then the device is started through the press switch 39, the miniature air pressure pump 42 and the first electromagnetic valve 43 are electrified to work, the miniature air pressure pump 42 pumps the ambient air into the pressure regulator 3 through the air groove 37, the ambient air is led into the communicating pipe 351 through the three-way pipe 48, the air flows into the air guide pipe 35 through the communicating pipe 351 and is guided to the air guide pipe 13 through the air guide pipe 35 and is injected into the tourniquet 1, the tourniquet 1 starts to inflate and expand, the limb of a patient is contracted, the blood vessel pressure is effectively applied, the bleeding position is stopped, in the working process of the device, the air pressure sensor 47 can effectively read the pressure in the tourniquet 1, the corresponding pressure signal is transmitted to the single chip microcomputer 46, the single chip microcomputer 46 converts the pressure, effective control tourniquet 1's pressure, the device intelligence pressure regulating of being convenient for effectively avoids tourniquet 1 pressure too big to cause oppression and damage to patient's limbs, effectively increases the security that the device used, uses the completion back for miniature pneumatic pump 42 and first solenoid valve 43 stop work, second solenoid valve 49 work is with 1 inside gas outgoing of tourniquet, the device of being convenient for accomodate and reuse.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides an intelligence tourniquet, includes tourniquet (1), power adapter (2), pressure regulating machine (3) and intelligent control mechanism (4), its characterized in that: the pressure regulating machine (3) comprises an upper cover (32) and a machine body (34), the upper cover (32) is hinged to the upper portion of the machine body (34), the upper cover (32) is fixed to the machine body (34) in a clamping mode through a buckle (33) connected to the bottom of the upper cover (32), the intelligent control mechanism (4) is arranged inside the machine body (34) and comprises a USB (universal serial bus) to serial port (41), a micro air pressure pump (42), a first electromagnetic valve (43), a current voltage reduction and stabilization module (44), a relay (45), a single chip microcomputer (46), an air pressure sensor (47) and a second electromagnetic valve (49), the relay (45) is fixed to the center of the intelligent control mechanism (4), the single chip microcomputer (46) is fixed to one side of the relay (45), the micro air pressure pump (42) and the first electromagnetic valve (43) are fixed to one end of the other side of the relay (45) respectively, and the air pressure sensor (47) and the second electromagnetic valve (47) are fixed 49) The utility model discloses a pneumatic sensor (47) is kept away from one end of second solenoid valve (49) and is fixed with USB commentaries on classics serial ports (41), and relay (45) are close to one end of first solenoid valve (43) and are fixed with current step-down voltage stabilizing module (44), the both sides of organism (34) all evenly are equipped with air tank (37), and dust screen (38) are all installed to the inside of air tank (37), and the lower right corner of one side organism (34) is connected with switch (39), the central authorities of organism (34) one end are fixed with air duct (35), and are fixed with power socket (31) and USB interface (36) on organism (34) of air duct (35) top respectively, air duct (35) one end extends to inside organism (34) to install communicating pipe (351), and three-way pipe (48) are installed to the one end of communicating pipe (351), three-way pipe (48) are respectively through pipeline and first solenoid valve (43), A second electromagnetic valve (49) and an air pressure sensor (47) are fixedly connected, one end of the first electromagnetic valve (43) far away from the three-way pipe (48) is communicated with the output end of the micro air pressure pump (42) through a pipeline, a power adapter (2) is arranged on one side of the pressure regulating machine (3), two ends of the power adapter (2) are respectively connected with a wiring end (21) and a socket (22), the wiring end (21) is fixedly connected with a power socket (31) in an inserting mode, a tourniquet (1) is arranged at one end, close to the air guide pipe (35), of the pressure regulating machine (3), a magic tape (11) is sewn on the outer side wall of the tourniquet (1), a female magic tape (12) matched with the magic tape (11) is sewn on the inner side wall of the tourniquet (1), an air guide pipe (13) is connected to the top of the tourniquet (1), and an air nozzle (14) is fixed at one end, and the air nozzle (14) is clamped and fixed with the air duct (35).

2. An intelligent tourniquet according to claim 1, wherein the tourniquet (1) is attached to the female hook and loop fastener (12) by the male hook and loop fastener (11) to form a loop structure, and the male hook and loop fastener (12) and the female hook and loop fastener (11) are woven by nylon.

3. An intelligent tourniquet according to claim 1, wherein the size of the pressure regulator (3) is 15cm x 10cm, and a sealing ring is installed at the connection between the upper cover (32) and the body (34).

4. An intelligent tourniquet according to claim 1, wherein the diameter of the airway tube (35) is 8 ± 1mm, the air nozzle (14) and the airway tube (35) are mutually matched, and a sealing rubber ring is arranged inside the airway tube (35).

5. An intelligent tourniquet according to claim 1, wherein the diameter of the power socket (31) is 11.44mm and the USB interface (36) has dimensions of 12mm x 11.4 mm.

6. The intelligent tourniquet according to claim 1, wherein the micro pneumatic pump (42), the first electromagnetic valve (43) and the second electromagnetic valve (49) are electrically connected to the power socket (31), the USB serial port (41) is electrically connected to the current step-down and voltage-stabilizing module (44), the current step-down and voltage-stabilizing module (44) is electrically connected to the single chip microcomputer (46), the output end of the relay (45) is electrically connected to the input ends of the micro pneumatic pump (42), the first electromagnetic valve (43) and the second electromagnetic valve (49), the input end of the relay (45) is electrically connected to the output end of the single chip microcomputer (46), and the pneumatic sensor (47) is electrically connected to the single chip microcomputer (46).