CN111528966B

CN111528966B - Intelligent tourniquet

Info

Publication number: CN111528966B
Application number: CN202010499826.2A
Authority: CN
Inventors: 屠云
Original assignee: First Peoples Hospital of Changzhou
Current assignee: First Peoples Hospital of Changzhou
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-12-08
Anticipated expiration: 2040-06-04
Also published as: CN111528966A

Abstract

The invention discloses an intelligent tourniquet which comprises a square shell, a rear cover plate, a tourniquet mechanism, an auxiliary release mechanism and a driving mechanism, wherein the rear part of the square shell is of an open structure, an installation groove body is reserved on the top wall of the square shell, the rear cover plate is installed on the rear part of the square shell through bolts, the tourniquet mechanism is installed inside and at the top of the square shell, the auxiliary release mechanism is fixedly installed inside the installation groove body, and the auxiliary release mechanism and the tourniquet mechanism are arranged in a matched mode. The arm loosening device can smoothly loosen the arms of the patient, is convenient and quick to use, has a high intelligent degree, can automatically loosen the arms of the patient when medical workers do not loosen the arms of the patient for more than one minute, can effectively avoid the situation that the arms of the patient are too tight, can effectively avoid the damage to the patient, can be suitable for different crowds, and has a wide application range.

Description

Intelligent tourniquet

Technical Field

The invention relates to the technical field of medical instruments, in particular to an intelligent tourniquet.

Background

In medical treatment, when a nurse finds venous transfusion or blood sampling, a rubber tube is tightened to ensure that blood volume is full and then veins are shown, and the tube is called a tourniquet or a tourniquet. When the venous blood is collected, the pressure pulse pressure cannot be too long in pressing time and too tight in binding so as to avoid congestion and blood concentration, the tightening time usually should not exceed 1 minute, otherwise the test detection result is influenced, such as hemoglobin and hematocrit increase.

The tourniquet in the prior art cannot smoothly loosen the arms of a patient, is inconvenient and troublesome to use, has low intelligent degree, cannot automatically loosen the arms of the patient when medical care personnel do not loosen the arms of the patient for more than one minute, often causes the problem that the arms of the patient are too tight, and is easy to hurt the patient; in addition, the tourniquet in the prior art cannot be suitable for different people, the application range is small, and therefore the intelligent tourniquet is provided.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an intelligent tourniquet which can smoothly loosen the arms of a patient, is convenient and quick to use and high in intelligence degree, can automatically loosen the arms of the patient when medical staff do not loosen the arms of the patient for more than one minute, can effectively avoid over-tight tightening of the arms of the patient, can effectively avoid injury to the patient, can be suitable for different people, and has a wide application range, so that the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an intelligence pressure arteries and veins area, includes square shell, back shroud, pressure arteries and veins mechanism, supplementary release mechanism and actuating mechanism, the rear portion of square shell is open structure, just reserve on the roof of square shell and have the installation cell body, the back shroud passes through the bolt to be installed the rear portion of square shell, pressure arteries and veins mechanism installs the inside and the top of square shell, supplementary release mechanism fixed mounting be in the inside of installation cell body, just supplementary release mechanism with press arteries and veins mechanism to cooperate and sets up, actuating mechanism fixed mounting be in the inside of square shell, just actuating mechanism with press arteries and veins mechanism transmission to be connected.

By adopting the technical scheme, the square shell is used for forming the main structure of the intelligent tourniquet, the rear cover plate is used for facilitating the disassembly and the maintenance of the parts inside the square shell in the later period, and the tourniquet mechanism is used for compressing the arms of a patient so as to enable the veins on the arms of the patient to be locally full, thereby facilitating the puncture blood drawing for biochemical examination; the auxiliary release mechanism is used for assisting the pulse pressing mechanism to automatically recover a release state, and the driving mechanism is used for driving the pulse pressing mechanism to press the arms of the patient.

Further, the pulse pressing mechanism comprises a tension sensor, a supporting seat, a guide ring and a cylindrical belt body, the tension sensor is fixedly installed on the upper portion of the inner bottom wall of the square shell, the supporting seat is fixedly installed on the upper portion of the top wall of the square shell, an arc-shaped placing groove is reserved in the upper portion of the supporting seat, the guide ring is fixedly installed on the supporting seat close to one side face of the tension sensor, one end of the cylindrical belt body is fixedly connected with the detection end of the tension sensor, and the other end of the cylindrical belt body movably extends to the upper portion of the top wall of the square shell and penetrates through the guide ring.

Through adopting above-mentioned technical scheme, during the use, the arm that the patient will draw blood places the inside that has the arc standing groove on the upper portion of supporting seat, then utilizes cylindrical area body to tighten patient's arm, and the guide ring is used for guaranteeing that the cylindrical area body can move towards actuating mechanism smoothly, and tension sensor is used for measuring the pulling force of the cylindrical area body.

Furthermore, the auxiliary loosening mechanism comprises a cylindrical barrel, a circular guide block, an end cover, a spring, a connecting rod with a regular hexagonal cross section and a circular ring, the bottom end of the cylindrical barrel is a closed end, the upper end of the cylindrical barrel body is an opening end, the cylindrical barrel body is fixedly arranged in the installation groove body, the circular guide block is arranged inside the cylindrical barrel in a sliding manner, the end cover is fixedly arranged inside the upper end of the cylindrical barrel, the spring is arranged inside the cylindrical barrel, the spring is abutted between the end wall of the bottom end of the cylindrical barrel and the bottom of the circular guide block, the connecting rod is movably and vertically arranged at the central position of the end cover, and the bottom end of the connecting rod is fixedly connected with the upper part of the circular guide block, and the circular ring is vertically and fixedly installed at the upper end part of the connecting rod.

Through adopting above-mentioned technical scheme, during the use, pass the ring with the cylindrical area body, when the taut cylindrical area body of actuating mechanism, the ring will descend, and the spring will be compressed, when actuating mechanism loosens the cylindrical area body, and the spring will reset, and the spring passes through the connecting rod drive ring and rises, and the ring drives the cylindrical area body and risees, and the cylindrical area body breaks away from patient's arm this moment to reach the purpose of unclamping patient's arm.

Further, the driving mechanism comprises two vertical plates, a supporting shaft, a winding drum, a driven belt pulley, a motor and a driving belt pulley, wherein the two vertical plates are both fixedly and vertically arranged on the upper part of the inner bottom wall of the square outer shell, the supporting shaft is fixedly arranged on the two vertical plates through a rolling bearing, the winding drum is fixedly sleeved outside the supporting shaft, the driven belt pulley is fixedly arranged at one end part of the supporting shaft, the motor is fixedly arranged at the upper part of the inner bottom wall of the square shell through a motor seat, the driving belt pulley is fixedly arranged at the end part of a rotating shaft of the motor, and the driving belt pulley is in transmission connection with the driven belt pulley through a belt, and one end of the cylindrical belt body penetrating through the guide ring stretches across the arc-shaped placing groove and movably stretches into the square shell and the middle part of the winding drum is fixedly connected.

Through adopting above-mentioned technical scheme, during the use, motor drive belt pulley rotates, and drive belt pulley passes through the belt and drives the driven pulley rotation, and driven pulley drives the reel and rotates, and the reel is with cylindrical area body rolling or release, when needs tighten patient's arm, motor drive reel is with cylindrical area body rolling, when needs loosen patient's arm, motor drive reel is released cylindrical area body, and under the effect of supplementary release mechanism, can realize smoothly loosening patient's arm simultaneously.

Furthermore, a first through hole and a second through hole which are matched with the cylindrical belt body are reserved on the top wall of the square shell, and the first through hole and the second through hole are distributed on two sides of the supporting seat.

Through adopting above-mentioned technical scheme, first through-hole and second through-hole make things convenient for the cylindrical area body activity to pass the roof of square shell, can guarantee that the cylindrical area body can move about smoothly.

Furthermore, a controller is fixedly mounted inside the square shell, a control output end of the controller is electrically connected with an electric control end of the motor through a control line, and a signal input end of the controller is electrically connected with a signal output end of the tension sensor through a signal line.

By adopting the technical scheme, the controller is used for controlling the motor to automatically work according to the tension data detected by the tension sensor, so that the working efficiency of the intelligent tourniquet can be effectively improved, the arm of a patient can be prevented from being tightened too much, the continuous high pressure of the vein of the patient is further avoided, the backflow moisture and electrolyte of the tissue are reduced, the concentration of protein and protein combination is increased, the blood flow is blocked, and the activity of fibrin is increased; the cells continue to metabolize, the metabolite lactic acid is increased, and the like, so the controller can be used for controlling the cylindrical belt body to tighten the arms of the patient for no more than minutes, and the injury to the patient can be effectively avoided.

Furthermore, the front part of the square shell is fixedly provided with a touch display screen and an operating button, the touch display screen is electrically connected with the controller in a bidirectional mode through a data line, and the operating button is electrically connected with the signal input end of the controller through a signal line.

By adopting the technical scheme, the touch display screen is used for displaying the working states and working parameters of the motor and the tension sensor, and in addition, the working parameters of the motor, the tension sensor and the controller can be set through the touch display screen.

Furthermore, a power switch is fixedly mounted at one end of the square shell and electrically connected with the controller.

Through adopting above-mentioned technical scheme, switch is used for this intelligence to press arteries and veins area switch machine.

Further, the inside of square shell aligns its rear portion and still an organic whole is equipped with four installation ears, four installation ear symmetry sets up, and four all seted up on the installation ear with bolt assorted screw hole.

Through adopting above-mentioned technical scheme, the setting of four installation ears and all be equipped with on four installation ears with bolt assorted screw hole for the back shroud is convenient for install at the rear portion of square shell through the bolt, and the inside part of square shell is maintained to the later stage dismouting back shroud of being convenient for.

Furthermore, the bottom of square shell is close to its corner still fixed mounting have four stabilizer blades, four the stabilizer blade symmetry sets up, and four the stabilizer blade is the rubber stabilizer blade.

Through adopting above-mentioned technical scheme, four stabilizer blades have better supporting role to this intelligence pressure pulse area, and this intelligence of being convenient for is pressed pulse area and is placed steadily, more can prevent this intelligence pressure pulse area and take place the unexpected phenomenon that sideslips when using.

In summary, the invention mainly has the following beneficial effects:

1. the invention designs an auxiliary release mechanism which comprises a cylindrical barrel, a circular guide block, an end cover, a spring, a connecting rod with a regular hexagonal cross section and a circular ring, wherein when the auxiliary release mechanism is used, a cylindrical belt body penetrates through the circular ring, when a driving mechanism tensions the cylindrical belt body, the circular ring descends and the spring is compressed, when the driving mechanism releases the cylindrical belt body, the spring resets, the spring drives the circular ring to ascend through the connecting rod, the circular ring drives the cylindrical belt body to ascend, and the cylindrical belt body is separated from the arm of a patient, so that the aim of releasing the arm of the patient is fulfilled, and the arm of the patient can be smoothly released by the intelligent tourniquet;

2. the intelligent tourniquet has the advantages that the motor, the tension sensor, the controller and the operation button are matched, so that the aim of tightening or loosening the arms of a patient by one key can be fulfilled, the intelligent tourniquet is convenient and quick to use and high in intelligent degree, meanwhile, when medical workers do not loosen the arms of the patient for more than one minute, the controller can control the motor to automatically run to drive the cylindrical belt body to loosen the arms of the patient, in addition, when the tension of the tension sensor is increased to a set value, the controller controls the motor to automatically stop running, the phenomenon that the arms of the patient are too tight can be effectively avoided, the injury to the patient can be effectively avoided, in addition, the intelligent tourniquet can also be suitable for different people, and the application range of the intelligent tourniquet is larger.

Drawings

FIG. 1 is a schematic structural diagram of an intelligent tourniquet according to an embodiment;

FIG. 2 is a schematic diagram of another view of an embodiment of an intelligent tourniquet;

FIG. 3 is a schematic structural diagram of an embodiment of an intelligent tourniquet with a rear cover plate detached;

FIG. 4 is a schematic diagram of a semi-sectional structure of an intelligent tourniquet according to an embodiment;

FIG. 5 is a semi-sectional structural schematic view of another perspective of an embodiment of an intelligent tourniquet;

fig. 6 is a schematic structural diagram of an auxiliary release mechanism of the intelligent tourniquet according to an embodiment.

In the figure: 1. a square housing; 2. a rear cover plate; 3. a touch display screen; 4. an operation button; 5. a power switch; 6. a support leg; 7. a pulse pressing mechanism; 701. a cylindrical belt body; 702. a supporting seat; 703. an arc-shaped placing groove; 704. a guide ring; 705. a tension sensor; 8. an auxiliary release mechanism; 801. a circular ring; 802. a connecting rod; 803. an end cap; 804. a circular guide block; 805. a spring; 806. a cylindrical barrel; 9. a drive mechanism; 901. a drive pulley; 902. a belt; 903. a driven pulley; 904. a vertical plate; 905. a support shaft; 906. a reel; 907. a motor; 908. a motor base; 10. a bolt; 11. a controller; 12. mounting lugs; 13. a threaded hole; 14. installing a groove body; 15. a first through hole; 16. a second through hole.

Detailed Description

The invention is described in further detail below with reference to figures 1-6.

Example 1

The utility model provides an intelligence pressure arteries and veins area, as shown in fig. 1-6, includes square shell 1, back shroud 2, pressure arteries and veins mechanism 7, supplementary release mechanism 8 and actuating mechanism 9, the rear portion of square shell 1 is open structure, just it has installation cell body 14 to reserve on the roof of square shell 1, back shroud 2 passes through bolt 10 to be installed square shell 1's rear portion, pressure arteries and veins mechanism 7 is installed square shell 1's inside and top, supplementary release mechanism 8 fixed mounting be in the inside of installation cell body 14, just supplementary release mechanism 8 with press arteries and veins mechanism 7 to cooperate the setting, actuating mechanism 9 fixed mounting is in square shell 1's inside, just actuating mechanism 9 with press arteries and veins mechanism 7 transmission to connect. The square shell 1 is used for forming a main body structure of the intelligent tourniquet, the rear cover plate 2 is used for facilitating later-stage disassembly and maintenance of parts inside the square shell 1, and the tourniquet mechanism 7 is used for compressing the arms of a patient so as to enable veins on the arms of the patient to be locally full and facilitate puncture blood drawing for biochemical examination; the auxiliary release mechanism 8 is used for assisting the pulse pressing mechanism 7 to automatically restore the relaxed state, and the driving mechanism 9 is used for driving the pulse pressing mechanism 7 to press the arms of the patient.

Preferably, as shown in fig. 1 to 5, the pulse pressing mechanism 7 includes a tension sensor 705, a supporting seat 702, a guiding ring 704 and a cylindrical belt body 701, the tension sensor 705 is fixedly installed on the upper portion of the inner bottom wall of the square housing 1, the supporting seat 702 is fixedly installed on the upper portion of the top wall of the square housing 1, an arc-shaped placing groove 703 is reserved on the upper portion of the supporting seat 702, the guiding ring 704 is fixedly installed on a side surface of the supporting seat 702 close to the tension sensor 705, one end of the cylindrical belt body 701 is fixedly connected with the detecting end of the tension sensor 705, and the other end of the cylindrical belt body 701 movably extends above the top wall of the square housing 1 and is disposed through the guiding ring 704. In use, the arm of the patient to be bled is placed in the arc-shaped placing groove 703 at the upper part of the supporting base 702, then the arm of the patient is tightened by the cylindrical belt body 701, the guide ring 704 is used for ensuring that the cylindrical belt body 701 can smoothly move towards the driving mechanism 9, and the tension sensor 705 is used for measuring the tension of the cylindrical belt body 701.

Preferably, as shown in fig. 1 and 6, the auxiliary release mechanism 8 includes a cylindrical barrel 806, a circular guide block 804, an end cap 803, a spring 805, a connecting rod 802 with a regular hexagonal cross section, and a ring 801, wherein the bottom end of the cylindrical barrel 806 is a closed end, the upper end of the cylindrical barrel 806 is an open end, the cylindrical barrel 806 is fixedly installed inside the mounting groove 14, the circular guide block 804 is slidably installed inside the cylindrical barrel 806, the end cap 803 is fixedly installed inside the upper end of the cylindrical barrel 806, the spring 805 is installed inside the cylindrical barrel 806, the spring 805 abuts between the bottom end wall of the cylindrical barrel 806 and the bottom of the circular guide block 804, the connecting rod 802 is movably and vertically installed at the center of the end cap 803, and the bottom end of the connecting rod 802 is fixedly connected with the upper portion of the circular guide block 804, the ring 801 is vertically and fixedly installed at the upper end of the connecting rod 802. When the device is used, the cylindrical belt body 701 penetrates through the ring 801, when the driving mechanism 9 tightens the cylindrical belt body 701, the ring 801 descends, the spring 805 is compressed, when the driving mechanism 9 loosens the cylindrical belt body 701, the spring 805 resets, the spring 805 drives the ring 801 to ascend through the connecting rod 802, the ring 801 drives the cylindrical belt body 701 to ascend, and at the moment, the cylindrical belt body 701 is separated from the arm of the patient, so that the aim of loosening the arm of the patient is fulfilled.

Preferably, as shown in fig. 3 to 5, the driving mechanism 9 includes two vertical plates 904, a supporting shaft 905, a winding drum 906, a driven pulley 903, a motor 907 and a driving pulley 901, wherein the two vertical plates 904 are both fixedly and vertically installed on the upper portion of the inner bottom wall of the square housing 1, the supporting shaft 905 is fixedly installed on the two vertical plates 904 through a rolling bearing, the winding drum 906 is fixedly installed on the outer portion of the supporting shaft 905, the driven pulley 903 is fixedly installed on one end portion of the supporting shaft 905, the motor 907 is fixedly installed on the upper portion of the inner bottom wall of the square housing 1 through a motor base 908, the driving pulley 901 is fixedly installed on the end portion of the rotating shaft of the motor 907, the driving pulley 901 is in transmission connection with the driven pulley 903 through a belt 902, one end of the cylindrical belt body 701 passing through the guide ring 704 crosses the arc-shaped placing groove 703 and movably extends into the inner portion of the square The middle part of the winding drum 906 is fixedly connected. When the arm-tightening device is used, the motor 907 drives the driving pulley 901 to rotate, the driving pulley 901 drives the driven pulley 903 to rotate through the belt 902, the driven pulley 903 drives the winding drum 906 to rotate, the winding drum 906 winds or unwinds the cylindrical belt body 701, when the arm of a patient needs to be tightened, the motor 907 drives the winding drum 906 to wind the cylindrical belt body 701, when the arm of the patient needs to be unwound, the motor 907 drives the winding drum 906 to unwind the cylindrical belt body 701, and meanwhile, under the action of the auxiliary unwinding mechanism 8, the arm of the patient can be smoothly unwound.

Preferably, as shown in fig. 1 to 3, a first through hole 15 and a second through hole 16 matching with the cylindrical strap 701 are reserved on the top wall of the square housing 1, and the first through hole 15 and the second through hole 16 are distributed on two sides of the supporting seat 702. The first through hole 15 and the second through hole 16 facilitate the cylindrical belt 701 to move through the top wall of the square housing 1, thereby ensuring the smooth movement of the cylindrical belt 701.

Preferably, as shown in fig. 3 and 5, a controller 11 is further fixedly mounted inside the square housing 1, a control output end of the controller 11 is electrically connected to an electric control end of the motor 907 through a control line, and a signal input end of the controller 11 is electrically connected to a signal output end of the tension sensor 705 through a signal line. The controller 11 is used for controlling the motor 907 to automatically work according to the tension data detected by the tension sensor 705, so that the working efficiency of the intelligent tourniquet can be effectively improved, the arm of a patient can be prevented from being tightened too much, the continuous high pressure of the vein of the patient can be further avoided, the reduction of tissue backflow moisture and electrolyte, the increase of the concentration of protein and protein conjugates, the blockage of blood flow and the increase of the activity of fibrin can be further avoided; the cells continue to metabolize, the metabolite lactic acid is increased, and the like, so the controller 11 can control the tightening time of the cylindrical belt body 701 on the arms of the patient to be not more than 1 minute, and the injury to the patient can be effectively avoided.

Preferably, as shown in fig. 1 and 3, a touch display screen 3 and an operation button 4 are further fixedly mounted at the front portion of the square housing 1, the touch display screen 3 is electrically connected with the controller 11 in a bidirectional manner through a data line, and the operation button 4 is electrically connected with a signal input end of the controller 11 through a signal line. The touch display screen 3 is used for displaying the working states and working parameters of the motor 907 and the tension sensor 705, and in addition, the working parameters of the motor 907, the tension sensor 705 and the controller 11 can be set through the touch display screen 3.

Preferably, as shown in fig. 1 and 3, a power switch 5 is further fixedly mounted at one end of the square housing 1, and the power switch 5 is electrically connected to the controller 11. The power switch 5 is used for the intelligent pulse-pressing belt startup and shutdown.

Preferably, as shown in fig. 2-3, four mounting lugs 12 are further integrally arranged inside the square housing 1 aligned with the rear portion thereof, the four mounting lugs 12 are symmetrically arranged, and threaded holes 13 matched with the bolts 10 are formed in all the four mounting lugs 12. Four installation ears 12 set up and all be equipped with on four installation ears 12 with bolt 10 assorted screw hole 13 for back shroud 2 is convenient for install at square shell 1's rear portion through bolt 10, and the inside part of square shell 1 is maintained to the later stage dismouting back shroud 2 of being convenient for.

Preferably, as shown in fig. 1, four support legs 6 are further fixedly mounted at the bottom of the square housing 1 near the corners thereof, the four support legs 6 are symmetrically arranged, and all the four support legs 6 are rubber support legs. Four stabilizer blades 6 have better supporting role to this intelligence pressure arteries and veins area, and this intelligence of being convenient for is pressed arteries and veins area and is placed steadily, more can prevent this intelligence pressure arteries and veins area unexpected phenomenon that takes place to sideslip when using.

It should be noted that in this embodiment 1, the tension sensor 705 may be an S-type tension sensor manufactured by the sun light sensor ltd of ansha, model number TJL-1; the controller 11 can be a single chip microcomputer with the model of STC89C 51; the motor 907 may be a stepper motor.

Example 2

The difference from the example 1 is that the surface of the square outer shell 1 is further provided with a protective layer, and the protective layer is prepared by the following method:

weighing the following raw materials in parts by weight: 15-19 parts of epoxy resin, 8-10 parts of calcium carbonate powder, 10-12 parts of copper oxide powder, 8-10 parts of aluminum oxide powder, 8-10 parts of mica powder, 2-4 parts of propylene glycol methyl ether acetate, 2-4 parts of triethylene diamine, 1-3 parts of polyoxypropylene polyoxyethylene glycerol ether and 30-50 parts of water;

s1, adding the weighed propylene glycol methyl ether acetate, triethylene diamine, polyoxypropylene polyoxyethylene glycerol ether and water into a stirrer, and stirring for 40-60min at the stirring speed of 600-800r/min to obtain a mixed solution;

s2, adding epoxy resin, calcium carbonate powder, copper oxide powder, aluminium oxide powder and mica powder into a ball mill, and grinding until the particle diameter of the material is not more than 100nm to obtain a mixed powder material;

s3, adding the mixed solution prepared in the step S1 and the mixed powder material prepared in the step S2 into a reaction kettle, stirring for 45-65min, setting the stirring speed of the reaction kettle to be 800-1000r/min, setting the temperature to be 100-120 ℃, and filtering out the liquid in the reaction kettle by adopting a filter screen with 50 meshes when the stirring of the reaction kettle is stopped and the temperature of the stirrer is reduced to be 40-50 ℃ to obtain filtrate, namely the protective coating;

s4, cleaning the surface of the square shell 1 and drying the surface by using a hot air blower, and then uniformly spraying the protective coating prepared in the step S3 on the surface of the dried square shell 1 by using a high-pressure sprayer spray gun to form a coating film with the thickness of 300-400 mu m;

s5, drying the square outer shell 1 sprayed with the protective coating in the step S4 in an oven at the drying temperature of 100 ℃ and 120 ℃ for 30-40min, namely preparing the protective layer on the surface of the square outer shell 1.

The square housing 1 of examples 1-2 was tested for its antibacterial properties on its surface in the laboratory under the same conditions as follows: the square housing 1 of example 1-2 was placed in the same bacteria culture chamber for 200 hours, taken out and observed under a microscope as follows:

examples	Observation results
		Example 1	The surface of the square housing 1 nourishes a large amount of bacteria
Example 2	The surface of the square casing 1 is almost free from bacteria

From the test results in the table, it can be seen that the embodiment 2 is the most preferred embodiment, and by adopting the above technical scheme, the protection layer prepared on the surface of the square housing 1 can effectively increase the performances of corrosion prevention, bacteria resistance, wear resistance and aging resistance of the square housing 1, so that the intelligent tourniquet has a long service life, and more importantly, the intelligent tourniquet can prevent the surface of the square housing 1 from nourishing a large amount of bacteria to affect the use hygiene in the long-term use process.

The working principle is as follows: the intelligent tourniquet is characterized in that an auxiliary loosening mechanism 8 is designed to be composed of a cylindrical barrel 806, a circular guide block 804, an end cover 803, a spring 805, a connecting rod 802 with a regular hexagonal cross section and a ring 801, when the intelligent tourniquet is used, the cylindrical strap 701 penetrates through the ring 801, when the cylindrical strap 701 is tightened by a driving mechanism 9, the ring 801 descends, the spring 805 is compressed, when the driving mechanism 9 loosens the cylindrical strap 701, the spring 805 resets, the spring 805 drives the ring 801 to ascend through the connecting rod 802, the ring 801 drives the cylindrical strap 701 to ascend, and the cylindrical strap 701 is separated from the arm of a patient, so that the aim of loosening the arm of the patient is fulfilled, and the intelligent tourniquet can smoothly loosen the arm of the patient;

the purpose of tightening or loosening the arms of a patient can be achieved by means of the cooperation of the motor 907, the tension sensor 705, the controller 11 and the operation buttons 4, so that the intelligent tourniquet is convenient and fast to use and high in intelligentization degree, meanwhile, when medical staff do not loosen the arms of the patient for more than one minute, the controller 11 can be used for controlling the motor 907 to automatically operate to drive the cylindrical belt body 701 to loosen the arms of the patient, in addition, when the tension of the tension sensor 705 is increased to a set value, the controller 11 controls the motor 907 to automatically stop operating, the phenomenon that the arms of the patient are too tight can be effectively avoided, injury to the patient can be effectively avoided, in addition, the intelligent tourniquet can also be suitable for different people, and accordingly the application range of the intelligent tourniquet is large.

The using method comprises the following steps: when the intelligent tourniquet is used, the intelligent tourniquet is turned on by the power switch 5, the patient places the arm to be bled in the arc-shaped placing groove 703 at the upper part of the supporting seat 702, the cylindrical belt body 701 is ensured to be placed at the upper part of the arm of the patient, the operation button 4 is pressed, the controller 11 controls the motor to rotate forward to drive the winding drum 906 to wind the cylindrical belt body 701, the controller 11 controls the motor 907 to stop running automatically until the tension of the tension sensor 705 is increased to a set value, the arm of the patient can be punctured for bleeding at the moment, the operation button 4 is pressed after the blood is drawn, the controller 11 controls the motor to rotate backward to drive the winding drum 906 to release the cylindrical belt body 701 until the tension of the tension sensor 705 is reduced to the set value, the controller 11 controls the motor 907 to stop running automatically, at the moment, the cylindrical belt body 701 loosens the arm of the patient, when the medical staff does not press the operation button 4 again within one minute, the controller 11 controls the motor 907 to automatically operate to drive the cylindrical belt 701 to release the arm of the patient.

The parts not involved in the present invention are the same as or can be implemented by the prior art. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an intelligence tourniquet which characterized in that: the pulse pressing machine comprises a square shell (1), a rear cover plate (2), a pulse pressing mechanism (7), an auxiliary loosening mechanism (8) and a driving mechanism (9), wherein the rear part of the square shell (1) is of an open structure, an installation groove body (14) is reserved on the top wall of the square shell (1), the rear cover plate (2) is installed at the rear part of the square shell (1) through a bolt (10), the pulse pressing mechanism (7) is installed in the square shell (1) and the top of the square shell, the auxiliary loosening mechanism (8) is fixedly installed in the installation groove body (14), the auxiliary loosening mechanism (8) is matched with the pulse pressing mechanism (7), the driving mechanism (9) is fixedly installed in the square shell (1), and the driving mechanism (9) is in transmission connection with the pulse pressing mechanism (7);

the pulse pressing mechanism (7) comprises a tension sensor (705), a supporting seat (702), a guide ring (704) and a cylindrical belt body (701), the tension sensor (705) is fixedly installed on the upper portion of the inner bottom wall of the square shell (1), the supporting seat (702) is fixedly installed on the upper portion of the top wall of the square shell (1), an arc-shaped placing groove (703) is reserved on the upper portion of the supporting seat (702), the guide ring (704) is fixedly installed on one side face, close to the tension sensor (705), of the supporting seat (702), one end of the cylindrical belt body (701) is fixedly connected with the detection end of the tension sensor (705), and the other end of the cylindrical belt body (701) movably extends to the upper portion of the top wall of the square shell (1) and penetrates through the guide ring (704) to be arranged;

the auxiliary loosening mechanism (8) comprises a cylindrical barrel (806), a circular guide block (804), an end cover (803), a spring (805), a connecting rod (802) with a regular hexagonal cross section and a circular ring (801), wherein the bottom end of the cylindrical barrel (806) is a closed end, the upper end of the cylindrical barrel (806) is an open end, the cylindrical barrel (806) is fixedly installed inside the installation groove body (14), the circular guide block (804) is installed inside the cylindrical barrel (806) in a sliding mode, the end cover (803) is fixedly installed inside the upper end of the cylindrical barrel (806), the spring (805) is installed inside the cylindrical barrel (806), the spring (805) abuts between the end wall of the bottom end of the cylindrical barrel (806) and the bottom of the circular guide block (804), and the connecting rod (802) is movably and vertically installed at the center of the end cover (803), the bottom end of the connecting rod (802) is fixedly connected with the upper part of the round guide block (804), and the circular ring (801) is vertically and fixedly arranged at the upper end part of the connecting rod (802);

the driving mechanism (9) comprises two vertical plates (904), a supporting shaft (905), a winding drum (906), a driven pulley (903), a motor (907) and a driving pulley (901), wherein the two vertical plates (904) are fixedly and vertically arranged on the upper part of the inner bottom wall of the square shell (1), the supporting shaft (905) is fixedly arranged on the two vertical plates (904) through a rolling bearing, the winding drum (906) is fixedly sleeved outside the supporting shaft (905), the driven pulley (903) is fixedly arranged at one end part of the supporting shaft (905), the motor (907) is fixedly arranged on the upper part of the inner bottom wall of the square shell (1) through a motor base (908), the driving pulley (901) is fixedly arranged at the end part of a rotating shaft of the motor (907), and the driving pulley (901) is in transmission connection with the driven pulley (903) through a belt (902), one end of the cylindrical belt body (701) penetrating through the guide ring (704) crosses the arc-shaped placing groove (703) and movably extends into the square shell (1) to be fixedly connected with the middle part of the winding drum (906).

2. The intelligent tourniquet according to claim 1, wherein: the top wall of the square shell (1) is reserved with a first through hole (15) and a second through hole (16) which are matched with the cylindrical belt body (701), and the first through hole (15) and the second through hole (16) are distributed on two sides of the supporting seat (702).

3. The intelligent tourniquet according to claim 2, wherein: the controller (11) is fixedly mounted inside the square shell (1), the control output end of the controller (11) is electrically connected with the electric control end of the motor (907) through a control line, and the signal input end of the controller (11) is electrically connected with the signal output end of the tension sensor (705) through a signal line.

4. The intelligent tourniquet according to claim 3, wherein: the front portion of the square shell (1) is fixedly provided with a touch display screen (3) and an operating button (4), the touch display screen (3) is electrically connected with the controller (11) in a bidirectional mode through a data line, and the operating button (4) is electrically connected with the signal input end of the controller (11) through a signal line.

5. The intelligent tourniquet according to claim 4, wherein: the power supply device is characterized in that a power switch (5) is further fixedly mounted at one end of the square shell (1), and the power switch (5) is electrically connected with the controller (11).

6. The intelligent tourniquet according to claim 1, wherein: the square shell (1) is internally aligned with the rear portion of the square shell, and four mounting lugs (12) are integrally arranged and are symmetrically arranged, and threaded holes (13) matched with the bolts (10) are formed in the mounting lugs (12).

7. The intelligent tourniquet according to claim 1, wherein: the bottom of square shell (1) is close to its corner still fixed mounting have four stabilizer blades (6), four stabilizer blade (6) symmetry sets up, and four stabilizer blade (6) are the rubber stabilizer blade.