CN203852391U

CN203852391U - Intelligent reminding hemostatic device

Info

Publication number: CN203852391U
Application number: CN201320873532.7U
Authority: CN
Inventors: 陈静; 刘志强; 和儒雅; 张超凡
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2013-12-28
Filing date: 2013-12-28
Publication date: 2014-10-01
Anticipated expiration: 2023-12-28

Abstract

An intelligent prompting hemostatic device, including a tourniquet, the tourniquet is flat; its structure also includes a pressure monitoring device used in conjunction with the tourniquet; the pressure monitoring device includes a casing, and a through hole is opened through the casing. The tourniquet passes through the through hole, the housing is provided with a single chip microcomputer, a timing module and a power supply, the upper surface of the housing is provided with a display screen, a buzzer, a power switch, an alarm indicator light and a power supply indicator light, and a pressure sensor is provided at the bottom of the through hole , the timing module, display screen, buzzer, alarm indicator light and pressure sensor are all connected to the single-chip microcomputer, and an operational amplifier circuit is connected between the pressure sensor and the single-chip microcomputer. The utility model is used for medical workers to bandage limbs when performing infusion, blood transfusion, hemostasis and blood collection on patients, and can monitor the tightness and bandage time of the bandage in the bandage process, so as to avoid the damage caused by too loose bandage, too tight bandage or too long bandage time. affect rescue work.

Description

A kind of intelligent prompt hemostasis device

Technical field

This utility model relates to a kind of medical supplies, relates in particular to a kind of safe hemostasis device.

Background technology

Since tourniquet invention, just become requisite instrument in clinical position, be widely used in first aid hemostasis, emergency operation and choose date for operation, in the work such as venous transfusion, blood drawing.

Yet existing tourniquet, in application process, has more untoward reaction, particularly evident while using rubber tube tourniquet to carry out Related Nursing operation for patient.Generally, prick the length of tourniquet time and the size of tension of tourniquet the success rate of venipuncture, blood drawing result, patient's level of comfort etc. is all had to impact.Experimental result shows, when tourniquet pressure is during at 10.7-16.0kPa, venous engorgement degree is better, is conducive to puncture most; When blood drawing, while pricking tourniquet Shi Jian≤90s, blood lactate concentration increases, blood drawing result is caused to harmful effect, simultaneously, prick tourniquet overlong time and can cause that patient is uncomfortable, when serious, occur muscular death, intermuscular septum syndrome, ischemic contracture, the ill symptomses such as anaerobism infection and toxic shock, What is more causes amputation consequence or direct threat to life safety, especially larger on patient's impacts such as infant, old people, hematologic disease, tumor and disturbance of consciousnesss.

What when carrying out venipuncture or blood drawing for patient, mostly adopt clinically is traditional rubber tubular type tourniquet, medical personnel decide the elasticity of colligation by rule of thumb with feel, in addition, because medicated clothing hides or change the situation of forgetting the tourniquet of loosening that site of puncture causes temporarily, happen occasionally, patient has been caused to injury.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of safe hemostasis device, colligation extremity when patient being infused, transfuse blood, being stopped blooding and taking a blood sample for health care worker, can in process of binding, monitor elasticity and the colligation time of colligation, avoiding crossing pine, tension or colligation overlong time because of colligation affects treatment work.

To achieve these goals, technical solution adopted in the utility model is: a kind of intelligent prompt hemostasis device, comprise tourniquet, and described tourniquet is flat; In its structure, also comprise and the matching used pressure monitoring device of tourniquet; This pressure monitoring device comprises shell, run through shell and offer via hole, described tourniquet is through described via hole, in shell, be provided with single-chip microcomputer, timing module and power supply, upper surface of outer cover is provided with display screen, buzzer, on and off switch, alarm lamp and power supply indicator, via bottom is provided with pressure transducer, described timing module, display screen, buzzer, alarm lamp and pressure transducer are all connected on single-chip microcomputer, between described pressure transducer and single-chip microcomputer, are connected with discharge circuit.

As a kind of optimal technical scheme of the present utility model, described alarm lamp is dual-colored LED lamp.

As a kind of optimal technical scheme of the present utility model, the outer surface sealed packet of described shell is wrapped with waterproof membrane.

As a kind of optimal technical scheme of the present utility model, described display screen is embedded in the upper wall of described shell, and the upper surface of display screen is concordant with the upper surface of shell.

The beneficial effect that adopts technique scheme to produce is: this utility model adopts the tourniquet of flat, tourniquet than hollow rubber tubular type is more comfortable, and can detect by pressure transducer the tension force of tourniquet, after tourniquet colligation well, timing module starts the timing of colligation time, and by tension force and time showing on display screen, when pine or tension are crossed in colligation, the tension value that not only can show by display screen is read, and alarm lamp lighted pine or the corresponding color of tension, in addition, when colligation is overtime, buzzer and alarm lamp are respectively by sound and the passage of scintillation light prompting medical personnel tourniquet of loosening in time.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.

Fig. 1 is cutaway view of the present utility model.

Fig. 2 is three-dimensional structure diagram of the present utility model.

Fig. 3 is tension monitoring schematic diagram of the present utility model.

In figure: 1, tourniquet 2, shell 3, via hole 4, single-chip microcomputer 5, timing module 6, power supply 7, display screen 8, buzzer 9, on and off switch 10, alarm lamp 11, power supply indicator 12, discharge circuit 13, pressure transducer.

The specific embodiment

Referring to accompanying drawing 1-3, the structure of a specific embodiment of this utility model comprises tourniquet 1, and described tourniquet 1 is flat; In its structure, also comprise and the matching used pressure monitoring device of tourniquet 1; This pressure monitoring device comprises shell 2, run through shell 2 and offer via hole 3, described tourniquet 1 is through described via hole 3, in shell 2, be provided with single-chip microcomputer 4, timing module 5 and power supply 6, shell 2 upper surfaces are provided with display screen 7, buzzer 8, on and off switch 9, alarm lamp 10 and power supply indicator 11, via hole 3 bottoms are provided with pressure transducer 13, described timing module 5, display screen 7, buzzer 8, alarm lamp 10 and pressure transducer 13 are all connected on single-chip microcomputer 4, between described pressure transducer 13 and single-chip microcomputer 4, are connected with discharge circuit 12.

Described alarm lamp 10 is dual-colored LED lamp.Alarm lamp 10 is crossed pine, tension and is sent respectively sodium yellow, red light and passage of scintillation light overtime in the situation that in tourniquet 1 colligation.

The outer surface overall package of described shell 2 has waterproof membrane.Make this utility model can Integral cleaning, sterilization.

Described display screen 7 is embedded in the upper wall of described shell 2, and the upper surface of display screen 7 is concordant with the upper surface of shell 2.

Operation principle of the present utility model is: tourniquet 1 is passed to via hole 3, make pressure transducer 13 between the lower wall and tourniquet 1 of via hole 3, turn on the power switch 9 and make pressure monitoring device energising, before colligation arm not, tourniquet 1 is in relaxed state, to the pressure transducer 13 in via hole 3, without pressure, now pressure monitoring device is in dormancy electricity-saving state, and display screen 7 shows without registration.

When tourniquet 1 colligation is on patient limb, pressure transducer 13 is squeezed, and can detect the tension force of tourniquet 1, and the tension signal that pressure transducer 13 detects reaches single-chip microcomputer 4 after discharge circuit 12 amplifies, thereby wake pressure monitoring device up, now on display screen 7, show force value; When colligation dynamics too lax, pressure transducer 13 extrusions are less, export less, now single-chip microcomputer 4 is thought invalid colligation, cannot effectively play the effect of hemostasis, single-chip microcomputer 4 is controlled buzzer 8 and is sent caution sound, control alarm lamp 10 simultaneously and show sodium yellow, thereby prompting medical worker strengthens colligation dynamics; In addition, when colligation dynamics tension, pressure transducer 13 extrusions are larger, export greatlyr, now single-chip microcomputer 4 is thought excessive colligation, for tissue, may damage, single-chip microcomputer 4 is controlled buzzer 8 and is sent caution sound, control alarm lamp 10 simultaneously and show red light, prompting medical worker, reduces colligation dynamics.Pressure threshold is in above-mentioned two situations set according to the parameter obtaining after actual clinical checking.

After tourniquet 1 is good according to suitable force value colligation, Output pressure keeps stable in certain confidence interval, single-chip microcomputer 4 is controlled timing module 5 and is started timing, now on display screen 7, show force value and colligation time, while not removing tourniquet 1 yet when the reading of timing module 5 arrives the T time (as 5min), single-chip microcomputer 4 is controlled buzzer 8 and is piped, alarm lamp 7 flickers, and prompting medical worker removes tourniquet 1 in time.After tourniquet 1 is removed, timing stops.

Finish using after one minute, pressure monitoring device returns to dormancy energy-saving mode, now, can powered-down switch 9, thoroughly cut off the electricity supply.

Foregoing description only proposes as the enforceable technical scheme of this utility model, not as the Single restriction condition to its technical scheme itself.

Claims

1. An intelligent prompting hemostatic device, comprising a tourniquet, characterized in that: the tourniquet is flat; its structure also includes a pressure monitoring device used in conjunction with the tourniquet; There is a via hole, the tourniquet passes through the via hole, a single chip microcomputer, a timing module and a power supply are arranged in the casing, a display screen, a buzzer, a power switch, an alarm indicator light and a power supply indicator light are arranged on the upper surface of the casing, A pressure sensor is arranged at the bottom of the hole, and the timing module, display screen, buzzer, alarm indicator light and pressure sensor are all connected to the single-chip microcomputer, and an operational amplifier circuit is connected between the pressure sensor and the single-chip microcomputer.

2. The intelligent prompting hemostasis device according to claim 1, characterized in that: the alarm indicator light is a two-color LED light.

3. The intelligent prompting hemostasis device according to claim 1, characterized in that: the outer surface of the casing is integrally sealed with a waterproof film.

4. The intelligent prompt hemostatic device according to claim 1, characterized in that: the display screen is embedded in the upper wall of the housing, and the upper surface of the display screen is flush with the upper surface of the housing.