CN220655623U - Pulse pressing belt - Google Patents
Pulse pressing belt Download PDFInfo
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- CN220655623U CN220655623U CN202320847600.6U CN202320847600U CN220655623U CN 220655623 U CN220655623 U CN 220655623U CN 202320847600 U CN202320847600 U CN 202320847600U CN 220655623 U CN220655623 U CN 220655623U
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- air
- triode
- piece
- way valve
- inflatable
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- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The utility model discloses a tourniquet, comprising: the inflatable belt body is internally provided with an inflatable cavity, and the side wall of the inflatable belt body is provided with an inflation inlet and an air outlet; the pressure sensor is fixed on the outer wall of the inflatable belt body; the air inlet device is used for inflating the inflatable cavity through the inflation inlet; the air outlet device is used for exhausting the air in the inflatable cavity through the air outlet; and the control system is used for controlling the air inlet device and the air outlet device to inlet and outlet air. After the inflatable belt is bound on the arm, the control system can control the air inlet device to inlet air into the inflatable cavity, so that the inflatable belt is bound on the hand, the pressure sensor can detect the binding pressure in the inflation process, and after the set pressure is reached, the control system controls the air inlet device to stop inflating the inflatable belt, so that the binding is completed, the binding is very convenient, and the binding pressure can be controlled.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a tourniquet.
Background
The tourniquet is a common medical appliance, and can compress the limbs of a patient to fill the blood volume of the patient so as to make veins appear, thereby facilitating the subsequent operations such as blood sampling, puncturing or transfusion.
The patent with the publication number of CN216823563U discloses a novel multifunctional tourniquet, when in use, medical personnel can pull the fixed column to compress the supporting spring, insert the connecting band into the fixed frame, and connect the limiting clamping block with the adjusting clamping holes at different positions according to the requirement, so as to adjust the tightness of the tourniquet, and the tourniquet is applicable to patients with different thicknesses of arms.
However, the above-mentioned binding of the tourniquet is not very convenient, and the pressure of the binding is not well controlled.
Disclosure of Invention
The utility model aims to provide a tourniquet which can facilitate binding and control the binding pressure.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a tourniquet, comprising:
the inflatable belt body is internally provided with an inflatable cavity, and the side wall of the inflatable belt body is provided with an inflation inlet and an air outlet;
the pressure sensor is fixed on the outer wall of the inflatable belt body;
the air inlet device is used for inflating the inflatable cavity through the inflation inlet;
the air outlet device is used for exhausting the air in the inflatable cavity through the air outlet;
and the control system is used for controlling the air inlet device and the air outlet device to inlet and outlet air.
Further, the air inlet device comprises an air source P and a two-position two-way valve V, wherein the air source P is connected with the P1 end of the two-position two-way valve V, and the A1 end of the two-position two-way valve V is connected with the charging port.
Further, the air outlet device comprises a two-position five-way valve X, and the P2 end of the two-position five-way valve X is connected with the air outlet.
Further, the control system comprises a sensor conversion module, the sensor conversion module comprises a VCC end, a GND end, a DO end and an AO end, a 5a end and a 6a end, the VCC end is connected with the positive pole of a 5V power supply, a connecting buckle N is further connected to the VCC end, the connecting buckle N is connected with the base electrode of a triode Q1, the collector electrode of the triode Q1 is connected with a relay coil K1, the emitter electrode of the triode Q1 is connected with the GND end, the other end of the relay coil K1 is connected with the positive pole of a 24V power supply, the DO end is connected with the base electrode of the triode Q2, the collector electrode of the triode Q2 is connected with a relay coil K2, the other end of the coil V1 is connected with a normally-open relay switch K1, the other end of the normally-open relay switch K1 is connected with a normally-closed relay switch K2, the emitter electrode of the triode Q2 is further connected with a coil V2 on the two-position five-way valve X, the other end of the coil V2 is connected with a normally-closed switch K1, and the positive pole of the relay is connected with the positive pole of the normally-closed switch K1.
Further, the pressure sensor is an RP-L series strip-shaped film pressure sensor.
Further, the connecting buckle N comprises a first electrifying piece Y and a second electrifying piece Z, the first electrifying piece Y is connected with the VCC end, and the second electrifying piece Z is connected with the base electrode of the triode Q1.
Further, the inflatable belt body both ends are fixed with first connecting piece and second connection piece respectively, and the inboard of first connecting piece is equipped with the magic and pastes the female face, and first circular telegram piece Y is fixed on the female face of magic subsides, and the outside of second connection piece is equipped with the magic and pastes sub-face, and second circular telegram piece Z is fixed on the magic and pastes sub-face.
Compared with the prior art, the utility model has the beneficial effects that:
(1) After the inflatable belt is bound on the arm, the control system can control the air inlet device to inlet air into the inflatable cavity, so that the inflatable belt is bound on the hand, the pressure sensor can detect the binding pressure in the inflation process, and after the set pressure is reached, the control system controls the air inlet device to stop inflating the inflatable belt, so that the binding is completed, the binding is very convenient, and the binding pressure can be controlled;
(2) When the magic tape is stuck on the magic tape mother surface, the first electrifying piece Y is contacted with the second electrifying piece Z, so that the inflatable belt can be automatically inflated after being bound on an arm, and the convenience is quite high.
Drawings
FIG. 1 is a schematic diagram of a connection structure of a control system;
fig. 2 is a schematic diagram of a gas circuit connection structure of the tourniquet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a tourniquet technical solution.
A tourniquet, comprising:
the inflatable belt body 1, an inflatable cavity is arranged in the inflatable belt body 1, and an inflation inlet 3 and an air outlet 4 are arranged on the side wall of the inflatable belt body 1;
the pressure sensor 2 is fixed on the outer wall of the inflatable belt body 1;
the air inlet device is used for inflating the inflatable cavity through the inflation inlet 3;
the air outlet device is used for exhausting the air in the inflatable cavity through the air outlet 4;
and the control system is used for controlling the air inlet device and the air outlet device to inlet and outlet air.
The air inlet device comprises an air source P and a two-position two-way valve V, wherein the air source P is connected with the P1 end on the two-position two-way valve V, and the A1 end on the two-position two-way valve V is connected with the air charging port 3.
The air outlet device comprises a two-position five-way valve X, a P2 end on the two-position five-way valve X is connected with an air outlet 4, and an A2 end is an air outlet.
The control system comprises a sensor conversion module, the sensor conversion module comprises a VCC end, a GND end, a DO end, an AO end, a 5a end and a 6a end, the DO end is TTL digital signal output, the AO end is analog signal output, the VCC end is connected with the positive pole of a 5V power supply, the VCC end is further connected with a connecting buckle N, the connecting buckle N is connected with the base electrode of a triode Q1, the collector electrode of the triode Q1 is connected with a relay coil K1, the emitter electrode of the triode Q1 is connected with the GND end, the other end of the relay coil K1 is connected with the positive pole of a 24V power supply, the DO end is connected with the base electrode of the triode Q2, the collector electrode of the triode Q2 is connected with the relay coil K2, the emitter electrode of the triode Q2 is further connected with a coil V1 on a two-position two-way valve V, the other end of the coil V1 is connected with a normally-closed switch K1 of the relay, the other end of the relay normally-closed switch K2 is further connected with the positive pole of the 24V power supply, and the other end of the normally-closed switch K2 is further connected with the normally-closed switch K2 of the two-position normally-closed switch X2.
The model of the pressure sensor 2 is RP-L series strip-shaped film pressure sensor 2, a sensor conversion module is matched with the pressure sensor, 5b on the strip-shaped pressure sensor 2 is connected with 5a on the sensor conversion module, 6b on the strip-shaped pressure sensor 2 is connected with 6a on the sensor conversion module, GND is grounded, and the pressure sensor 2 is also provided with an adjusting device for adjusting the amplification factor and the comparison threshold value. The strip-shaped pressure sensor 2 and the sensor conversion module are both in the prior art, and are not described in detail.
The connector link N includes first circular telegram piece Y and second circular telegram piece Z, and first circular telegram piece Y is connected with VCC end, and second circular telegram piece Z is connected with triode Q1's base, and inflatable belt body 1 both ends are fixed with first connecting piece 5 and second connection piece 6 respectively, and the inboard of first connecting piece 5 is equipped with the magic and pastes the female face, and first circular telegram piece Y is fixed on the magic and pastes the female face, and the outside of second connection piece 6 is equipped with the magic and pastes sub-face, and second circular telegram piece Z is fixed on the magic and pastes sub-face. When the magic tape is stuck on the magic tape mother surface, the first electrifying piece Y is contacted with the second electrifying piece Z, so that electrifying is realized.
When the electric power supply device is needed to be used, the inflatable belt body 1 is bound on an arm, then the magic tape sub-surface is stuck on the magic tape main surface, at the moment, the first power-on sheet Y is contacted with the second power-on sheet Z, the connecting buckle N is communicated, the relay coil K1 is powered on, the normally open switch K1 of the relay is closed, the normally closed switch K1 of the relay is opened, the coil V1 is powered on, and the coil V2 is powered off; after the coil V1 is powered on, the air source P charges the charging cavity of the charging belt body 1 through the two-position two-way valve V, after the coil V2 is powered off, the air in the charging cavity cannot be discharged through the two-position five-way valve X, when the charging cavity is charged to a certain extent, the pressure measured by the pressure sensor 2 is a set value, the DO end of the pressure sensor 2 sends out a signal, the relay coil K2 is powered on, the relay normally closed switch K2 is disconnected, the coil V1 is powered off, and the air source P cannot charge the charging belt body 1 through the two-position two-way valve V, so that the arm of the charging belt body 1 is kept at the set pressure.
After the use is completed, the magic tape face is removed from the magic tape mother face, at the moment, the first electrifying piece Y and the second electrifying piece Z are separated, then the relay coil K1 is powered off, the relay coil K2 and the coil V1 are powered off simultaneously, the coil V2 is powered on, and the two-position five-way valve X enables the air outlet 4 of the air charging cavity to be communicated with the outside, so that air in the air charging cavity is discharged.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A tourniquet, comprising:
the inflatable belt body is internally provided with an inflatable cavity, and the side wall of the inflatable belt body is provided with an inflation inlet and an air outlet;
the pressure sensor is fixed on the outer wall of the inflatable belt body;
the air inlet device is used for inflating the inflatable cavity through the inflation inlet;
the air outlet device is used for exhausting the air in the inflatable cavity through the air outlet;
the control system is used for controlling the air inlet device and the air outlet device to inlet and outlet air;
the air inlet device comprises an air source P and a two-position two-way valve V, wherein the air source P is connected with the P1 end on the two-position two-way valve V, and the A1 end on the two-position two-way valve V is connected with the air charging port;
the air outlet device comprises a two-position five-way valve X, and the P2 end of the two-position five-way valve X is connected with the air outlet;
the control system comprises a sensor conversion module, wherein the sensor conversion module comprises a VCC end, a GND end, a DO end, an AO end, a 5a end and a 6a end, the VCC end is connected with the positive electrode of a 5V power supply, a connecting buckle N is further connected to the VCC end, the connecting buckle N is connected with the base electrode of a triode Q1, the collector electrode of the triode Q1 is connected with a relay coil K1, the emitter electrode of the triode Q1 is connected with the GND end, the other end of the relay coil K1 is connected with the positive electrode of a 24V power supply, the DO end is connected with the base electrode of the triode Q2, the collector electrode of the triode Q2 is connected with a relay coil K2, the emitter electrode of the triode Q2 is further connected with a coil V1 on a two-position two-way valve V, the other end of the coil V1 is connected with a normally-open switch K1 of the relay, the other end of the normally-open switch K1 of the relay is connected with the positive electrode of the 24V power supply, the emitter electrode of the triode Q2 is further connected with a coil V2 on the two-position five-way valve X, and the other end of the coil V2 is connected with the normally-open switch K1 of the relay;
the model of the pressure sensor is RP-L series strip-shaped film pressure sensor;
the connecting buckle N comprises a first electrifying piece Y and a second electrifying piece Z, the first electrifying piece Y is connected with the VCC end, and the second electrifying piece Z is connected with the base electrode of the triode Q1;
the inflatable belt body both ends are fixed with first connecting piece and second connection piece respectively, and the inboard of first connecting piece is equipped with the magic and pastes the female face, and first circular telegram piece Y is fixed on the magic and pastes the female face, and the outside of second connection piece is equipped with the magic and pastes sub-face, and second circular telegram piece Z is fixed on the magic and pastes sub-face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320847600.6U CN220655623U (en) | 2023-04-11 | 2023-04-11 | Pulse pressing belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320847600.6U CN220655623U (en) | 2023-04-11 | 2023-04-11 | Pulse pressing belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220655623U true CN220655623U (en) | 2024-03-26 |
Family
ID=90331854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320847600.6U Active CN220655623U (en) | 2023-04-11 | 2023-04-11 | Pulse pressing belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220655623U (en) |
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2023
- 2023-04-11 CN CN202320847600.6U patent/CN220655623U/en active Active
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